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revision 709 by schoenebeck, Thu Jul 21 09:36:52 2005 UTC revision 1006 by schoenebeck, Fri Dec 29 20:27:15 2006 UTC
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3    
4  LinuxSampler Developers                                   C. Schoenebeck  LinuxSampler Developers                                   C. Schoenebeck
5  Internet-Draft                           Interessengemeinschaft Software  Internet-Draft                           Interessengemeinschaft Software
6  Expires: January 22, 2006                              Engineering e. V.  Intended status: Standards Track                       Engineering e. V.
7                                                             July 21, 2005  Expires: July 2, 2007                                  December 29, 2006
8    
9    
10                       LinuxSampler Control Protocol                       LinuxSampler Control Protocol
11                                  LSCP 1.1                                  LSCP 1.2
12    
13  Status of this Memo  Status of this Memo
14    
15     This document is an Internet-Draft and is in full conformance with     By submitting this Internet-Draft, each author represents that any
16     all provisions of Section 10 of RFC 2026.     applicable patent or other IPR claims of which he or she is aware
17       have been or will be disclosed, and any of which he or she becomes
18       aware will be disclosed, in accordance with Section 6 of BCP 79.
19    
20     Internet-Drafts are working documents of the Internet Engineering     Internet-Drafts are working documents of the Internet Engineering
21     Task Force (IETF), its areas, and its working groups.  Note that     Task Force (IETF), its areas, and its working groups.  Note that
# Line 31  Status of this Memo Line 33  Status of this Memo
33     The list of Internet-Draft Shadow Directories can be accessed at     The list of Internet-Draft Shadow Directories can be accessed at
34     http://www.ietf.org/shadow.html.     http://www.ietf.org/shadow.html.
35    
36     This Internet-Draft will expire on January 22, 2006.     This Internet-Draft will expire on July 2, 2007.
37    
38  Copyright Notice  Copyright Notice
39    
40     Copyright (C) The Internet Society (2005).  All Rights Reserved.     Copyright (C) The Internet Society (2006).
41    
 Abstract  
42    
    The LinuxSampler Control Protocol (LSCP) is an application-level  
    protocol primarily intended for local and remote controlling the  
    LinuxSampler backend application, which is a sophisticated server-  
    like console application essentially playing back audio samples and  
    manipulating the samples in real time to certain extent.  
43    
44    
45    
# Line 52  Abstract Line 48  Abstract
48    
49    
50    
 Schoenebeck             Expires January 22, 2006                [Page 1]  
51    
52  Internet-Draft        LinuxSampler Control Protocol            July 2005  
53    
54    
55    Schoenebeck               Expires July 2, 2007                  [Page 1]
56    
57    Internet-Draft        LinuxSampler Control Protocol        December 2006
58    
59    
60    Abstract
61    
62       The LinuxSampler Control Protocol (LSCP) is an application-level
63       protocol primarily intended for local and remote controlling the
64       LinuxSampler backend application, which is a sophisticated server-
65       like console application essentially playing back audio samples and
66       manipulating the samples in real time to certain extent.
67    
68    
69  Table of Contents  Table of Contents
70    
71     1.   Requirements notation  . . . . . . . . . . . . . . . . . . .   4     1.  Requirements notation . . . . . . . . . . . . . . . . . . . .   5
72     2.   Versioning of this specification . . . . . . . . . . . . . .   5     2.  Versioning of this specification  . . . . . . . . . . . . . .   6
73     3.   Introduction . . . . . . . . . . . . . . . . . . . . . . . .   6     3.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . .   7
74     4.   Focus of this protocol . . . . . . . . . . . . . . . . . . .   7     4.  Focus of this protocol  . . . . . . . . . . . . . . . . . . .   8
75     5.   Communication Overview . . . . . . . . . . . . . . . . . . .   8     5.  Communication Overview  . . . . . . . . . . . . . . . . . . .   9
76       5.1  Request/response communication method  . . . . . . . . . .   8       5.1.  Request/response communication method . . . . . . . . . .   9
77         5.1.1  Result format  . . . . . . . . . . . . . . . . . . . .   9         5.1.1.  Result format . . . . . . . . . . . . . . . . . . . .  10
78       5.2  Subscribe/notify communication method  . . . . . . . . . .  11       5.2.  Subscribe/notify communication method . . . . . . . . . .  12
79     6.   Description for control commands . . . . . . . . . . . . . .  13     6.  Description for control commands  . . . . . . . . . . . . . .  14
80       6.1  Ignored lines and comments . . . . . . . . . . . . . . . .  13       6.1.  Ignored lines and comments  . . . . . . . . . . . . . . .  14
81       6.2  Configuring audio drivers  . . . . . . . . . . . . . . . .  13       6.2.  Configuring audio drivers . . . . . . . . . . . . . . . .  14
82         6.2.1  Getting amount of available audio output drivers . . .  13         6.2.1.  Getting amount of available audio output drivers  . .  15
83         6.2.2  Getting all available audio output drivers . . . . . .  14         6.2.2.  Getting all available audio output drivers  . . . . .  15
84         6.2.3  Getting information about a specific audio output         6.2.3.  Getting information about a specific audio output
85                driver . . . . . . . . . . . . . . . . . . . . . . . .  14                 driver  . . . . . . . . . . . . . . . . . . . . . . .  15
86         6.2.4  Getting information about specific audio output         6.2.4.  Getting information about specific audio output
87                driver parameter . . . . . . . . . . . . . . . . . . .  15                 driver parameter  . . . . . . . . . . . . . . . . . .  16
88         6.2.5  Creating an audio output device  . . . . . . . . . . .  19         6.2.5.  Creating an audio output device . . . . . . . . . . .  20
89         6.2.6  Destroying an audio output device  . . . . . . . . . .  20         6.2.6.  Destroying an audio output device . . . . . . . . . .  21
90         6.2.7  Getting all created audio output device count  . . . .  21         6.2.7.  Getting all created audio output device count . . . .  22
91         6.2.8  Getting all created audio output device list . . . . .  21         6.2.8.  Getting all created audio output device list  . . . .  22
92         6.2.9  Getting current settings of an audio output device . .  21         6.2.9.  Getting current settings of an audio output device  .  22
93         6.2.10   Changing settings of audio output devices  . . . . .  23         6.2.10. Changing settings of audio output devices . . . . . .  24
94         6.2.11   Getting information about an audio channel . . . . .  24         6.2.11. Getting information about an audio channel  . . . . .  25
95         6.2.12   Getting information about specific audio channel         6.2.12. Getting information about specific audio channel
96                  parameter  . . . . . . . . . . . . . . . . . . . . .  25                 parameter . . . . . . . . . . . . . . . . . . . . . .  26
97         6.2.13   Changing settings of audio output channels . . . . .  27         6.2.13. Changing settings of audio output channels  . . . . .  28
98       6.3  Configuring MIDI input drivers . . . . . . . . . . . . . .  28       6.3.  Configuring MIDI input drivers  . . . . . . . . . . . . .  29
99         6.3.1  Getting amount of available MIDI input drivers . . . .  29         6.3.1.  Getting amount of available MIDI input drivers  . . .  30
100         6.3.2  Getting all available MIDI input drivers . . . . . . .  29         6.3.2.  Getting all available MIDI input drivers  . . . . . .  30
101         6.3.3  Getting information about a specific MIDI input         6.3.3.  Getting information about a specific MIDI input
102                driver . . . . . . . . . . . . . . . . . . . . . . . .  30                 driver  . . . . . . . . . . . . . . . . . . . . . . .  31
103         6.3.4  Getting information about specific MIDI input         6.3.4.  Getting information about specific MIDI input
104                driver parameter . . . . . . . . . . . . . . . . . . .  31                 driver parameter  . . . . . . . . . . . . . . . . . .  32
105         6.3.5  Creating a MIDI input device . . . . . . . . . . . . .  33         6.3.5.  Creating a MIDI input device  . . . . . . . . . . . .  34
106         6.3.6  Destroying a MIDI input device . . . . . . . . . . . .  34         6.3.6.  Destroying a MIDI input device  . . . . . . . . . . .  35
107         6.3.7  Getting all created MIDI input device count  . . . . .  35         6.3.7.  Getting all created MIDI input device count . . . . .  36
108         6.3.8  Getting all created MIDI input device list . . . . . .  35  
109         6.3.9  Getting current settings of a MIDI input device  . . .  36  
110         6.3.10   Changing settings of MIDI input devices  . . . . . .  37  
111         6.3.11   Getting information about a MIDI port  . . . . . . .  38  Schoenebeck               Expires July 2, 2007                  [Page 2]
112         6.3.12   Getting information about specific MIDI port  
113                  parameter  . . . . . . . . . . . . . . . . . . . . .  38  Internet-Draft        LinuxSampler Control Protocol        December 2006
114         6.3.13   Changing settings of MIDI input ports  . . . . . . .  40  
115       6.4  Configuring sampler channels . . . . . . . . . . . . . . .  41  
116         6.4.1  Loading an instrument  . . . . . . . . . . . . . . . .  41         6.3.8.  Getting all created MIDI input device list  . . . . .  36
117           6.3.9.  Getting current settings of a MIDI input device . . .  37
118           6.3.10. Changing settings of MIDI input devices . . . . . . .  38
119           6.3.11. Getting information about a MIDI port . . . . . . . .  38
120  Schoenebeck             Expires January 22, 2006                [Page 2]         6.3.12. Getting information about specific MIDI port
121                   parameter . . . . . . . . . . . . . . . . . . . . . .  39
122  Internet-Draft        LinuxSampler Control Protocol            July 2005         6.3.13. Changing settings of MIDI input ports . . . . . . . .  41
123         6.4.  Configuring sampler channels  . . . . . . . . . . . . . .  42
124           6.4.1.  Loading an instrument . . . . . . . . . . . . . . . .  42
125         6.4.2  Loading a sampler engine . . . . . . . . . . . . . . .  42         6.4.2.  Loading a sampler engine  . . . . . . . . . . . . . .  43
126         6.4.3  Getting all created sampler channel count  . . . . . .  43         6.4.3.  Getting all created sampler channel count . . . . . .  44
127         6.4.4  Getting all created sampler channel list . . . . . . .  43         6.4.4.  Getting all created sampler channel list  . . . . . .  44
128         6.4.5  Adding a new sampler channel . . . . . . . . . . . . .  44         6.4.5.  Adding a new sampler channel  . . . . . . . . . . . .  44
129         6.4.6  Removing a sampler channel . . . . . . . . . . . . . .  45         6.4.6.  Removing a sampler channel  . . . . . . . . . . . . .  45
130         6.4.7  Getting amount of available engines  . . . . . . . . .  45         6.4.7.  Getting amount of available engines . . . . . . . . .  46
131         6.4.8  Getting all available engines  . . . . . . . . . . . .  46         6.4.8.  Getting all available engines . . . . . . . . . . . .  46
132         6.4.9  Getting information about an engine  . . . . . . . . .  46         6.4.9.  Getting information about an engine . . . . . . . . .  47
133         6.4.10   Getting sampler channel information  . . . . . . . .  47         6.4.10. Getting sampler channel information . . . . . . . . .  48
134         6.4.11   Current number of active voices  . . . . . . . . . .  50         6.4.11. Current number of active voices . . . . . . . . . . .  51
135         6.4.12   Current number of active disk streams  . . . . . . .  50         6.4.12. Current number of active disk streams . . . . . . . .  51
136         6.4.13   Current fill state of disk stream buffers  . . . . .  51         6.4.13. Current fill state of disk stream buffers . . . . . .  52
137         6.4.14   Setting audio output device  . . . . . . . . . . . .  52         6.4.14. Setting audio output device . . . . . . . . . . . . .  53
138         6.4.15   Setting audio output type  . . . . . . . . . . . . .  53         6.4.15. Setting audio output type . . . . . . . . . . . . . .  53
139         6.4.16   Setting audio output channel . . . . . . . . . . . .  53         6.4.16. Setting audio output channel  . . . . . . . . . . . .  54
140         6.4.17   Setting MIDI input device  . . . . . . . . . . . . .  54         6.4.17. Setting MIDI input device . . . . . . . . . . . . . .  55
141         6.4.18   Setting MIDI input type  . . . . . . . . . . . . . .  55         6.4.18. Setting MIDI input type . . . . . . . . . . . . . . .  56
142         6.4.19   Setting MIDI input port  . . . . . . . . . . . . . .  56         6.4.19. Setting MIDI input port . . . . . . . . . . . . . . .  56
143         6.4.20   Setting MIDI input channel . . . . . . . . . . . . .  56         6.4.20. Setting MIDI input channel  . . . . . . . . . . . . .  57
144         6.4.21   Setting channel volume . . . . . . . . . . . . . . .  57         6.4.21. Setting channel volume  . . . . . . . . . . . . . . .  58
145         6.4.22   Muting a sampler channel . . . . . . . . . . . . . .  58         6.4.22. Muting a sampler channel  . . . . . . . . . . . . . .  58
146         6.4.23   Soloing a sampler channel  . . . . . . . . . . . . .  58         6.4.23. Soloing a sampler channel . . . . . . . . . . . . . .  59
147         6.4.24   Resetting a sampler channel  . . . . . . . . . . . .  59         6.4.24. Assigning a MIDI instrument map to a sampler
148       6.5  Controlling connection . . . . . . . . . . . . . . . . . .  60                 channel . . . . . . . . . . . . . . . . . . . . . . .  60
149         6.5.1  Register front-end for receiving event messages  . . .  60         6.4.25. Adding an effect send to a sampler channel  . . . . .  61
150         6.5.2  Unregister front-end for not receiving event         6.4.26. Removing an effect send from a sampler channel  . . .  62
151                messages . . . . . . . . . . . . . . . . . . . . . . .  61         6.4.27. Getting amount of effect sends on a sampler channel .  63
152         6.5.3  Enable or disable echo of commands . . . . . . . . . .  61         6.4.28. Listing all effect sends on a sampler channel . . . .  63
153         6.5.4  Close client connection  . . . . . . . . . . . . . . .  62         6.4.29. Getting effect send information . . . . . . . . . . .  64
154       6.6  Global commands  . . . . . . . . . . . . . . . . . . . . .  62         6.4.30. Altering effect send's audio routing  . . . . . . . .  65
155         6.6.1  Reset sampler  . . . . . . . . . . . . . . . . . . . .  62         6.4.31. Resetting a sampler channel . . . . . . . . . . . . .  66
156         6.6.2  General sampler informations . . . . . . . . . . . . .  62       6.5.  Controlling connection  . . . . . . . . . . . . . . . . .  66
157     7.   Command Syntax . . . . . . . . . . . . . . . . . . . . . . .  64         6.5.1.  Register front-end for receiving event messages . . .  66
158     8.   Events . . . . . . . . . . . . . . . . . . . . . . . . . . .  71         6.5.2.  Unregister front-end for not receiving event
159       8.1  Number of sampler channels changed . . . . . . . . . . . .  71                 messages  . . . . . . . . . . . . . . . . . . . . . .  67
160       8.2  Number of active voices changed  . . . . . . . . . . . . .  71         6.5.3.  Enable or disable echo of commands  . . . . . . . . .  68
161       8.3  Number of active disk streams changed  . . . . . . . . . .  71         6.5.4.  Close client connection . . . . . . . . . . . . . . .  68
162       8.4  Disk stream buffer fill state changed  . . . . . . . . . .  72       6.6.  Global commands . . . . . . . . . . . . . . . . . . . . .  69
163       8.5  Channel information changed  . . . . . . . . . . . . . . .  72         6.6.1.  Current number of active voices . . . . . . . . . . .  69
164       8.6  Miscellaneous and debugging events . . . . . . . . . . . .  72  
165     9.   Security Considerations  . . . . . . . . . . . . . . . . . .  74  
166     10.  Acknowledgments  . . . . . . . . . . . . . . . . . . . . . .  75  
167     11.  References . . . . . . . . . . . . . . . . . . . . . . . . .  75  Schoenebeck               Expires July 2, 2007                  [Page 3]
168          Author's Address . . . . . . . . . . . . . . . . . . . . . .  75  
169          Intellectual Property and Copyright Statements . . . . . . .  76  Internet-Draft        LinuxSampler Control Protocol        December 2006
170    
171    
172           6.6.2.  Maximum amount of active voices . . . . . . . . . . .  69
173           6.6.3.  Reset sampler . . . . . . . . . . . . . . . . . . . .  69
174           6.6.4.  General sampler informations  . . . . . . . . . . . .  70
175           6.6.5.  Getting global volume attenuation . . . . . . . . . .  70
176           6.6.6.  Setting global volume attenuation . . . . . . . . . .  71
177         6.7.  MIDI Instrument Mapping . . . . . . . . . . . . . . . . .  71
178           6.7.1.  Create a new MIDI instrument map  . . . . . . . . . .  72
179           6.7.2.  Delete one particular or all MIDI instrument maps . .  73
180           6.7.3.  Get amount of existing MIDI instrument maps . . . . .  73
181           6.7.4.  Getting all created MIDI instrument maps  . . . . . .  74
182           6.7.5.  Getting MIDI instrument map information . . . . . . .  74
183           6.7.6.  Renaming a MIDI instrument map  . . . . . . . . . . .  75
184           6.7.7.  Create or replace a MIDI instrument map entry . . . .  75
185           6.7.8.  Getting ammount of MIDI instrument map entries  . . .  78
186           6.7.9.  Getting indeces of all entries of a MIDI
187                   instrument map  . . . . . . . . . . . . . . . . . . .  79
188           6.7.10. Remove an entry from the MIDI instrument map  . . . .  79
189           6.7.11. Get current settings of MIDI instrument map entry . .  80
190           6.7.12. Clear MIDI instrument map . . . . . . . . . . . . . .  82
191       7.  Command Syntax  . . . . . . . . . . . . . . . . . . . . . . .  83
192       8.  Events  . . . . . . . . . . . . . . . . . . . . . . . . . . .  94
193         8.1.  Number of audio output devices changed  . . . . . . . . .  94
194         8.2.  Audio output device's settings changed  . . . . . . . . .  94
195         8.3.  Number of MIDI input devices changed  . . . . . . . . . .  94
196         8.4.  MIDI input device's settings changed  . . . . . . . . . .  95
197         8.5.  Number of sampler channels changed  . . . . . . . . . . .  95
198         8.6.  Number of active voices changed . . . . . . . . . . . . .  95
199         8.7.  Number of active disk streams changed . . . . . . . . . .  96
200         8.8.  Disk stream buffer fill state changed . . . . . . . . . .  96
201         8.9.  Channel information changed . . . . . . . . . . . . . . .  96
202         8.10. Total number of active voices changed . . . . . . . . . .  97
203         8.11. Number of MIDI instrument maps changed  . . . . . . . . .  97
204         8.12. MIDI instrument map information changed . . . . . . . . .  97
205         8.13. Number of MIDI instruments changed  . . . . . . . . . . .  98
206         8.14. MIDI instrument information changed . . . . . . . . . . .  98
207         8.15. Miscellaneous and debugging events  . . . . . . . . . . .  99
208       9.  Security Considerations . . . . . . . . . . . . . . . . . . . 100
209       10. Acknowledgments . . . . . . . . . . . . . . . . . . . . . . . 101
210       11. References  . . . . . . . . . . . . . . . . . . . . . . . . . 102
211       Author's Address  . . . . . . . . . . . . . . . . . . . . . . . . 103
212       Intellectual Property and Copyright Statements  . . . . . . . . . 104
213    
214    
215    
216    
217    
218    
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219    
220  Internet-Draft        LinuxSampler Control Protocol            July 2005  
221    
222    
223    Schoenebeck               Expires July 2, 2007                  [Page 4]
224    
225    Internet-Draft        LinuxSampler Control Protocol        December 2006
226    
227    
228  1.  Requirements notation  1.  Requirements notation
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276    
277    
278    
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280    
281  Internet-Draft        LinuxSampler Control Protocol            July 2005  Internet-Draft        LinuxSampler Control Protocol        December 2006
282    
283    
284  2.  Versioning of this specification  2.  Versioning of this specification
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307         sampler's LSCP minor version.         sampler's LSCP minor version.
308    
309     Compatibility can only be claimed if both rules are true.  The     Compatibility can only be claimed if both rules are true.  The
310     frontend can use the "GET SERVER INFO" (Section 6.6.2) command to get     frontend can use the "GET SERVER INFO" (Section 6.6.4) command to get
311     the version of the LSCP specification the sampler complies with.     the version of the LSCP specification the sampler complies with.
312    
313    
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332    
333    
334    
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336    
337  Internet-Draft        LinuxSampler Control Protocol            July 2005  Internet-Draft        LinuxSampler Control Protocol        December 2006
338    
339    
340  3.  Introduction  3.  Introduction
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388    
389    
390    
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392    
393  Internet-Draft        LinuxSampler Control Protocol            July 2005  Internet-Draft        LinuxSampler Control Protocol        December 2006
394    
395    
396  4.  Focus of this protocol  4.  Focus of this protocol
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444    
445    
446    
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448    
449  Internet-Draft        LinuxSampler Control Protocol            July 2005  Internet-Draft        LinuxSampler Control Protocol        December 2006
450    
451    
452  5.  Communication Overview  5.  Communication Overview
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461     more effort to be implemented in the front-end application.  The two     more effort to be implemented in the front-end application.  The two
462     communication methods will be described next.     communication methods will be described next.
463    
464  5.1  Request/response communication method  5.1.  Request/response communication method
465    
466     This simple communication method is based on TCP [RFC793].  The     This simple communication method is based on TCP [RFC793].  The
467     front-end application establishes a TCP connection to the     front-end application establishes a TCP connection to the
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500    
501    
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504    
505  Internet-Draft        LinuxSampler Control Protocol            July 2005  Internet-Draft        LinuxSampler Control Protocol        December 2006
506    
507    
508  5.1.1  Result format  5.1.1.  Result format
509    
510     Result set could be one of the following types:     Result set could be one of the following types:
511    
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557    
558    
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560    
561  Internet-Draft        LinuxSampler Control Protocol            July 2005  Internet-Draft        LinuxSampler Control Protocol        December 2006
562    
563    
564     set has the following format:     set has the following format:
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612    
613    
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616    
617  Internet-Draft        LinuxSampler Control Protocol            July 2005  Internet-Draft        LinuxSampler Control Protocol        December 2006
618    
619    
620     Each line of the result set MUST end with <CRLF>.     Each line of the result set MUST end with <CRLF>.
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629    
630        S: "WRN[0]:32:Sample rate not supported, using 44100 instead."        S: "WRN[0]:32:Sample rate not supported, using 44100 instead."
631    
632    5.2.  Subscribe/notify communication method
 5.2  Subscribe/notify communication method  
633    
634     This more sophisticated communication method is actually only an     This more sophisticated communication method is actually only an
635     extension of the simple request/response communication method.  The     extension of the simple request/response communication method.  The
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664    
665     3.  When response is being sent to the client, event MUST be inserted     3.  When response is being sent to the client, event MUST be inserted
666         in the stream before or after the response, but NOT in the         in the stream before or after the response, but NOT in the
667           middle.  Same is true about the response.  It should never be
668    
669    
670    
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672    
673  Internet-Draft        LinuxSampler Control Protocol            July 2005  Internet-Draft        LinuxSampler Control Protocol        December 2006
674    
675    
        middle.  Same is true about the response.  It should never be  
676         inserted in the middle of the event message as well as any other         inserted in the middle of the event message as well as any other
677         response.         response.
678    
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723    
724    
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728    
729    Internet-Draft        LinuxSampler Control Protocol        December 2006
730    
731    
732  6.  Description for control commands  6.  Description for control commands
# Line 682  Internet-Draft        LinuxSampler Contr Line 738  Internet-Draft        LinuxSampler Contr
738     LinuxSampler signals the end of the response by a "." (single dot)     LinuxSampler signals the end of the response by a "." (single dot)
739     line.     line.
740    
741  6.1  Ignored lines and comments  6.1.  Ignored lines and comments
742    
743     White lines, that is lines which only contain space and tabulator     White lines, that is lines which only contain space and tabulator
744     characters, and lines that start with a "#" character are ignored,     characters, and lines that start with a "#" character are ignored,
745     thus it's possible for example to group commands and to place     thus it's possible for example to group commands and to place
746     comments in a LSCP script file.     comments in a LSCP script file.
747    
748  6.2  Configuring audio drivers  6.2.  Configuring audio drivers
749    
750     Instances of drivers in LinuxSampler are called devices.  You can use     Instances of drivers in LinuxSampler are called devices.  You can use
751     multiple audio devices simultaneously, e.g. to output the sound of     multiple audio devices simultaneously, e.g. to output the sound of
# Line 718  Internet-Draft        LinuxSampler Contr Line 774  Internet-Draft        LinuxSampler Contr
774     retrieve what parameters drivers are offering, how to retrieve their     retrieve what parameters drivers are offering, how to retrieve their
775     possible values, etc.     possible values, etc.
776    
 6.2.1  Getting amount of available audio output drivers  
777    
    Use the following command to get the number of audio output drivers  
778    
779    
780    
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782    
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784    
785    Internet-Draft        LinuxSampler Control Protocol        December 2006
786    
787    
788    6.2.1.  Getting amount of available audio output drivers
789    
790       Use the following command to get the number of audio output drivers
791     currently available for the LinuxSampler instance:     currently available for the LinuxSampler instance:
792    
793        GET AVAILABLE_AUDIO_OUTPUT_DRIVERS        GET AVAILABLE_AUDIO_OUTPUT_DRIVERS
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803    
804        S: "2"        S: "2"
805    
806    6.2.2.  Getting all available audio output drivers
 6.2.2  Getting all available audio output drivers  
807    
808     Use the following command to list all audio output drivers currently     Use the following command to list all audio output drivers currently
809     available for the LinuxSampler instance:     available for the LinuxSampler instance:
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821    
822        S: "ALSA,JACK"        S: "ALSA,JACK"
823    
824    6.2.3.  Getting information about a specific audio output driver
 6.2.3  Getting information about a specific audio output driver  
825    
826     Use the following command to get detailed information about a     Use the following command to get detailed information about a
827     specific audio output driver:     specific audio output driver:
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836    
837    
838    
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841    Internet-Draft        LinuxSampler Control Protocol        December 2006
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842    
843    
844        LinuxSampler will answer by sending a <CRLF> separated list.  Each        LinuxSampler will answer by sending a <CRLF> separated list.  Each
# Line 823  Internet-Draft        LinuxSampler Contr Line 879  Internet-Draft        LinuxSampler Contr
879    
880           "."           "."
881    
882    6.2.4.  Getting information about specific audio output driver parameter
 6.2.4  Getting information about specific audio output driver parameter  
883    
884     Use the following command to get detailed information about a     Use the following command to get detailed information about a
885     specific audio output driver parameter:     specific audio output driver parameter:
# Line 833  Internet-Draft        LinuxSampler Contr Line 888  Internet-Draft        LinuxSampler Contr
888    
889     Where <audio> is the name of the audio output driver as returned by     Where <audio> is the name of the audio output driver as returned by
890     the "LIST AVAILABLE_AUDIO_OUTPUT_DRIVERS" (Section 6.2.2) command,     the "LIST AVAILABLE_AUDIO_OUTPUT_DRIVERS" (Section 6.2.2) command,
891       <prm> a specific parameter name for which information should be
892    
893    
894    
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896    
897  Internet-Draft        LinuxSampler Control Protocol            July 2005  Internet-Draft        LinuxSampler Control Protocol        December 2006
898    
899    
    <prm> a specific parameter name for which information should be  
900     obtained (as returned by the "GET AUDIO_OUTPUT_DRIVER INFO"     obtained (as returned by the "GET AUDIO_OUTPUT_DRIVER INFO"
901     (Section 6.2.3) command) and <deplist> is an optional list of     (Section 6.2.3) command) and <deplist> is an optional list of
902     parameters on which the sought parameter <prm> depends on, <deplist>     parameters on which the sought parameter <prm> depends on, <deplist>
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948    
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950    
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952    
953    Internet-Draft        LinuxSampler Control Protocol        December 2006
954    
955    
956        MULTIPLICITY -        MULTIPLICITY -
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1004    
1005    
1006    
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1008    
1009  Internet-Draft        LinuxSampler Control Protocol            July 2005  Internet-Draft        LinuxSampler Control Protocol        December 2006
1010    
1011    
1012           returned, dependent to driver parameter)           returned, dependent to driver parameter)
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1060    
1061    
1062    
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1064    
1065  Internet-Draft        LinuxSampler Control Protocol            July 2005  Internet-Draft        LinuxSampler Control Protocol        December 2006
1066    
1067    
1068           "TYPE: INT"           "TYPE: INT"
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1083    
1084           "."           "."
1085    
1086    6.2.5.  Creating an audio output device
1087    
1088  6.2.5  Creating an audio output device     Use the following command to create a new audio output device for the
1089       desired audio output system:
    Use the following command to create a new audio output device for  
    the desired audio output system:  
1090    
1091        CREATE AUDIO_OUTPUT_DEVICE <audio-output-driver> [<param-list>]        CREATE AUDIO_OUTPUT_DEVICE <audio-output-driver> [<param-list>]
1092    
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1112           in case the device was created successfully, where <device-id>           in case the device was created successfully, where <device-id>
1113           is the numerical ID of the new device, but there are noteworthy           is the numerical ID of the new device, but there are noteworthy
1114           issue(s) related (e.g. sound card doesn't support given           issue(s) related (e.g. sound card doesn't support given
1115             hardware parameters and the driver is using fall-back values),
1116    
1117    
1118    
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1120    
1121  Internet-Draft        LinuxSampler Control Protocol            July 2005  Internet-Draft        LinuxSampler Control Protocol        December 2006
1122    
1123    
          hardware parameters and the driver is using fall-back values),  
1124           providing an appropriate warning code and warning message           providing an appropriate warning code and warning message
1125    
1126        "ERR:<error-code>:<error-message>" -        "ERR:<error-code>:<error-message>" -
# Line 1083  Internet-Draft        LinuxSampler Contr Line 1138  Internet-Draft        LinuxSampler Contr
1138    
1139        S: "OK[1]"        S: "OK[1]"
1140    
1141    6.2.6.  Destroying an audio output device
 6.2.6  Destroying an audio output device  
1142    
1143     Use the following command to destroy a created output device:     Use the following command to destroy a created output device:
1144    
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1168           in case it failed, providing an appropriate error code and           in case it failed, providing an appropriate error code and
1169           error message           error message
1170    
1171       Example:
1172    
1173    
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1176    
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1178    
    Example:  
1179    
1180        C: "DESTROY AUDIO_OUTPUT_DEVICE 0"        C: "DESTROY AUDIO_OUTPUT_DEVICE 0"
1181    
1182        S: "OK"        S: "OK"
1183    
1184    6.2.7.  Getting all created audio output device count
 6.2.7  Getting all created audio output device count  
1185    
1186     Use the following command to count all created audio output devices:     Use the following command to count all created audio output devices:
1187    
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1198    
1199        S: "4"        S: "4"
1200    
1201    6.2.8.  Getting all created audio output device list
 6.2.8  Getting all created audio output device list  
1202    
1203     Use the following command to list all created audio output devices:     Use the following command to list all created audio output devices:
1204    
# Line 1163  Internet-Draft        LinuxSampler Contr Line 1215  Internet-Draft        LinuxSampler Contr
1215    
1216        S: "0,1,4,5"        S: "0,1,4,5"
1217    
1218    6.2.9.  Getting current settings of an audio output device
 6.2.9  Getting current settings of an audio output device  
1219    
1220     Use the following command to get current settings of a specific,     Use the following command to get current settings of a specific,
1221     created audio output device:     created audio output device:
1222    
   
   
   
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1223        GET AUDIO_OUTPUT_DEVICE INFO <device-id>        GET AUDIO_OUTPUT_DEVICE INFO <device-id>
1224    
1225     Where <device-id> should be replaced by numerical ID of the audio     Where <device-id> should be replaced by numerical ID of the audio
1226     output device as e.g. returned by the "LIST AUDIO_OUTPUT_DEVICES"     output device as e.g. returned by the "LIST AUDIO_OUTPUT_DEVICES"
1227     (Section 6.2.8) command.     (Section 6.2.8) command.
1228    
1229    
1230    
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1232    
1233    Internet-Draft        LinuxSampler Control Protocol        December 2006
1234    
1235    
1236     Possible Answers:     Possible Answers:
1237    
1238     LinuxSampler will answer by sending a <CRLF> separated list.  Each     LinuxSampler will answer by sending a <CRLF> separated list.  Each
# Line 1225  Internet-Draft        LinuxSampler Contr Line 1275  Internet-Draft        LinuxSampler Contr
1275    
1276        S: "DRIVER: ALSA"        S: "DRIVER: ALSA"
1277    
1278             "CHANNELS: 2"
1279    
1280             "SAMPLERATE: 44100"
1281    
1282             "ACTIVE: true"
1283    
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1284    
1285    
          "CHANNELS: 2"  
1286    
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1288    
1289    Internet-Draft        LinuxSampler Control Protocol        December 2006
1290    
          "ACTIVE: true"  
1291    
1292           "FRAGMENTS: 2"           "FRAGMENTS: 2"
1293    
# Line 1247  Internet-Draft        LinuxSampler Contr Line 1297  Internet-Draft        LinuxSampler Contr
1297    
1298           "."           "."
1299    
1300    6.2.10.  Changing settings of audio output devices
 6.2.10  Changing settings of audio output devices  
1301    
1302     Use the following command to alter a specific setting of a created     Use the following command to alter a specific setting of a created
1303     audio output device:     audio output device:
# Line 1280  Internet-Draft        LinuxSampler Contr Line 1329  Internet-Draft        LinuxSampler Contr
1329    
1330     Example:     Example:
1331    
1332          C: "SET AUDIO_OUTPUT_DEVICE_PARAMETER 0 FRAGMENTSIZE=128"
1333    
1334          S: "OK"
1335    
1336    
1337    
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1338    
 Internet-Draft        LinuxSampler Control Protocol            July 2005  
1339    
1340    
       C: "SET AUDIO_OUTPUT_DEVICE_PARAMETER 0 FRAGMENTSIZE=128"  
1341    
1342        S: "OK"  
1343    Schoenebeck               Expires July 2, 2007                 [Page 24]
1344    
1345    Internet-Draft        LinuxSampler Control Protocol        December 2006
1346    
1347    
1348  6.2.11  Getting information about an audio channel  6.2.11.  Getting information about an audio channel
1349    
1350     Use the following command to get information about an audio channel:     Use the following command to get information about an audio channel:
1351    
# Line 1337  Internet-Draft        LinuxSampler Contr Line 1388  Internet-Draft        LinuxSampler Contr
1388              actually will be routed / added to (only returned in case              actually will be routed / added to (only returned in case
1389              the audio channel is mix channel)              the audio channel is mix channel)
1390    
   
   
   
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1391     The mentioned fields above don't have to be in particular order.  The     The mentioned fields above don't have to be in particular order.  The
1392     fields above are only those fields which are generally returned for     fields above are only those fields which are generally returned for
1393     the described cases by all audio channels regardless of the audio     the described cases by all audio channels regardless of the audio
1394     driver.  Every audio channel might have its own, additional driver     driver.  Every audio channel might have its own, additional driver
1395     and channel specific parameters.     and channel specific parameters.
1396    
1397    
1398    
1399    Schoenebeck               Expires July 2, 2007                 [Page 25]
1400    
1401    Internet-Draft        LinuxSampler Control Protocol        December 2006
1402    
1403    
1404     Examples:     Examples:
1405    
1406        C: "GET AUDIO_OUTPUT_CHANNEL INFO 0 0"        C: "GET AUDIO_OUTPUT_CHANNEL INFO 0 0"
# Line 1389  Internet-Draft        LinuxSampler Contr Line 1439  Internet-Draft        LinuxSampler Contr
1439    
1440           "."           "."
1441    
1442    6.2.12.  Getting information about specific audio channel parameter
 6.2.12  Getting information about specific audio channel parameter  
1443    
1444     Use the following command to get detailed information about specific     Use the following command to get detailed information about specific
   
   
   
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1445     audio channel parameter:     audio channel parameter:
1446    
1447        GET AUDIO_OUTPUT_CHANNEL_PARAMETER INFO <dev-id> <chan> <param>        GET AUDIO_OUTPUT_CHANNEL_PARAMETER INFO <dev-id> <chan> <param>
# Line 1408  Internet-Draft        LinuxSampler Contr Line 1449  Internet-Draft        LinuxSampler Contr
1449     Where <dev-id> is the numerical ID of the audio output device as     Where <dev-id> is the numerical ID of the audio output device as
1450     returned by the "CREATE AUDIO_OUTPUT_DEVICE" (Section 6.2.5) or "LIST     returned by the "CREATE AUDIO_OUTPUT_DEVICE" (Section 6.2.5) or "LIST
1451     AUDIO_OUTPUT_DEVICES" (Section 6.2.8) command, <chan> the audio     AUDIO_OUTPUT_DEVICES" (Section 6.2.8) command, <chan> the audio
1452    
1453    
1454    
1455    Schoenebeck               Expires July 2, 2007                 [Page 26]
1456    
1457    Internet-Draft        LinuxSampler Control Protocol        December 2006
1458    
1459    
1460     channel number and <param> a specific channel parameter name for     channel number and <param> a specific channel parameter name for
1461     which information should be obtained (as returned by the "GET     which information should be obtained (as returned by the "GET
1462     AUDIO_OUTPUT_CHANNEL INFO" (Section 6.2.11) command).     AUDIO_OUTPUT_CHANNEL INFO" (Section 6.2.11) command).
# Line 1448  Internet-Draft        LinuxSampler Contr Line 1497  Internet-Draft        LinuxSampler Contr
1497              values and false only a single value allowed (always              values and false only a single value allowed (always
1498              returned)              returned)
1499    
   
   
   
   
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1500           RANGE_MIN -           RANGE_MIN -
1501    
1502              defines lower limit of the allowed value range for this              defines lower limit of the allowed value range for this
# Line 1465  Internet-Draft        LinuxSampler Contr Line 1505  Internet-Draft        LinuxSampler Contr
1505              may also appear without (optionally returned, dependent to              may also appear without (optionally returned, dependent to
1506              driver and channel parameter)              driver and channel parameter)
1507    
1508    
1509    
1510    
1511    Schoenebeck               Expires July 2, 2007                 [Page 27]
1512    
1513    Internet-Draft        LinuxSampler Control Protocol        December 2006
1514    
1515    
1516           RANGE_MAX -           RANGE_MAX -
1517    
1518              defines upper limit of the allowed value range for this              defines upper limit of the allowed value range for this
# Line 1498  Internet-Draft        LinuxSampler Contr Line 1546  Internet-Draft        LinuxSampler Contr
1546    
1547           "."           "."
1548    
1549    6.2.13.  Changing settings of audio output channels
 6.2.13  Changing settings of audio output channels  
1550    
1551     Use the following command to alter a specific setting of an audio     Use the following command to alter a specific setting of an audio
1552     output channel:     output channel:
1553    
   
   
   
   
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1554        SET AUDIO_OUTPUT_CHANNEL_PARAMETER <dev-id> <chn> <key>=<value>        SET AUDIO_OUTPUT_CHANNEL_PARAMETER <dev-id> <chn> <key>=<value>
1555    
1556     Where <dev-id> should be replaced by the numerical ID of the audio     Where <dev-id> should be replaced by the numerical ID of the audio
# Line 1523  Internet-Draft        LinuxSampler Contr Line 1561  Internet-Draft        LinuxSampler Contr
1561    
1562     Possible Answers:     Possible Answers:
1563    
1564    
1565    
1566    
1567    Schoenebeck               Expires July 2, 2007                 [Page 28]
1568    
1569    Internet-Draft        LinuxSampler Control Protocol        December 2006
1570    
1571    
1572        "OK" -        "OK" -
1573    
1574           in case setting was successfully changed           in case setting was successfully changed
# Line 1548  Internet-Draft        LinuxSampler Contr Line 1594  Internet-Draft        LinuxSampler Contr
1594    
1595        S: "OK"        S: "OK"
1596    
1597    6.3.  Configuring MIDI input drivers
 6.3  Configuring MIDI input drivers  
1598    
1599     Instances of drivers in LinuxSampler are called devices.  You can use     Instances of drivers in LinuxSampler are called devices.  You can use
1600     multiple MIDI devices simultaneously, e.g. to use MIDI over ethernet     multiple MIDI devices simultaneously, e.g. to use MIDI over ethernet
# Line 1561  Internet-Draft        LinuxSampler Contr Line 1606  Internet-Draft        LinuxSampler Contr
1606    
1607     Instead of defining commands and parameters for each driver     Instead of defining commands and parameters for each driver
1608     individually, all possible parameters, their meanings and possible     individually, all possible parameters, their meanings and possible
   
   
   
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1609     values have to be obtained at runtime.  This makes the protocol a bit     values have to be obtained at runtime.  This makes the protocol a bit
1610     abstract, but has the advantage, that front-ends can be written     abstract, but has the advantage, that front-ends can be written
1611     independently of what drivers are currently implemented and what     independently of what drivers are currently implemented and what
# Line 1580  Internet-Draft        LinuxSampler Contr Line 1617  Internet-Draft        LinuxSampler Contr
1617     as the commands for configuring audio output drivers, already     as the commands for configuring audio output drivers, already
1618     described in the last chapter.     described in the last chapter.
1619    
1620    
1621    
1622    
1623    Schoenebeck               Expires July 2, 2007                 [Page 29]
1624    
1625    Internet-Draft        LinuxSampler Control Protocol        December 2006
1626    
1627    
1628     Note: examples in this chapter showing particular parameters of     Note: examples in this chapter showing particular parameters of
1629     drivers are not meant as specification of the drivers' parameters.     drivers are not meant as specification of the drivers' parameters.
1630     Driver implementations in LinuxSampler might have complete different     Driver implementations in LinuxSampler might have complete different
# Line 1588  Internet-Draft        LinuxSampler Contr Line 1633  Internet-Draft        LinuxSampler Contr
1633     retrieve what parameters drivers are offering, how to retrieve their     retrieve what parameters drivers are offering, how to retrieve their
1634     possible values, etc.     possible values, etc.
1635    
1636  6.3.1  Getting amount of available MIDI input drivers  6.3.1.  Getting amount of available MIDI input drivers
1637    
1638     Use the following command to get the number of MIDI input drivers     Use the following command to get the number of MIDI input drivers
1639     currently available for the LinuxSampler instance:     currently available for the LinuxSampler instance:
# Line 1606  Internet-Draft        LinuxSampler Contr Line 1651  Internet-Draft        LinuxSampler Contr
1651    
1652        S: "2"        S: "2"
1653    
1654    6.3.2.  Getting all available MIDI input drivers
 6.3.2  Getting all available MIDI input drivers  
1655    
1656     Use the following command to list all MIDI input drivers currently     Use the following command to list all MIDI input drivers currently
1657     available for the LinuxSampler instance:     available for the LinuxSampler instance:
# Line 1616  Internet-Draft        LinuxSampler Contr Line 1660  Internet-Draft        LinuxSampler Contr
1660    
1661     Possible Answers:     Possible Answers:
1662    
1663          LinuxSampler will answer by sending comma separated character
1664          strings, each symbolizing a MIDI input driver.
1665    
1666       Example:
1667    
1668          C: "LIST AVAILABLE_MIDI_INPUT_DRIVERS"
1669    
1670          S: "ALSA,JACK"
1671    
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1672    
 Internet-Draft        LinuxSampler Control Protocol            July 2005  
1673    
1674    
       LinuxSampler will answer by sending comma separated character  
       strings, each symbolizing a MIDI input driver.  
1675    
    Example:  
1676    
       C: "LIST AVAILABLE_MIDI_INPUT_DRIVERS"  
1677    
1678        S: "ALSA,JACK"  
1679    Schoenebeck               Expires July 2, 2007                 [Page 30]
1680    
1681    Internet-Draft        LinuxSampler Control Protocol        December 2006
1682    
1683    
1684  6.3.3  Getting information about a specific MIDI input driver  6.3.3.  Getting information about a specific MIDI input driver
1685    
1686     Use the following command to get detailed information about a     Use the following command to get detailed information about a
1687     specific MIDI input driver:     specific MIDI input driver:
# Line 1673  Internet-Draft        LinuxSampler Contr Line 1719  Internet-Draft        LinuxSampler Contr
1719    
1720     Example:     Example:
1721    
   
   
   
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1722        C: "GET MIDI_INPUT_DRIVER INFO ALSA"        C: "GET MIDI_INPUT_DRIVER INFO ALSA"
1723    
1724        S: "DESCRIPTION: Advanced Linux Sound Architecture"        S: "DESCRIPTION: Advanced Linux Sound Architecture"
# Line 1692  Internet-Draft        LinuxSampler Contr Line 1730  Internet-Draft        LinuxSampler Contr
1730           "."           "."
1731    
1732    
1733  6.3.4  Getting information about specific MIDI input driver parameter  
1734    
1735    Schoenebeck               Expires July 2, 2007                 [Page 31]
1736    
1737    Internet-Draft        LinuxSampler Control Protocol        December 2006
1738    
1739    
1740    6.3.4.  Getting information about specific MIDI input driver parameter
1741    
1742     Use the following command to get detailed information about a     Use the following command to get detailed information about a
1743     specific parameter of a specific MIDI input driver:     specific parameter of a specific MIDI input driver:
# Line 1729  Internet-Draft        LinuxSampler Contr Line 1774  Internet-Draft        LinuxSampler Contr
1774           character string(s) (always returned, no matter which driver           character string(s) (always returned, no matter which driver
1775           parameter)           parameter)
1776    
   
   
   
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1777        DESCRIPTION -        DESCRIPTION -
1778    
1779           arbitrary text describing the purpose of the parameter (always           arbitrary text describing the purpose of the parameter (always
# Line 1749  Internet-Draft        LinuxSampler Contr Line 1786  Internet-Draft        LinuxSampler Contr
1786           MIDI_INPUT_DEVICE' (Section 6.3.5) command (always returned, no           MIDI_INPUT_DEVICE' (Section 6.3.5) command (always returned, no
1787           matter which driver parameter)           matter which driver parameter)
1788    
1789    
1790    
1791    Schoenebeck               Expires July 2, 2007                 [Page 32]
1792    
1793    Internet-Draft        LinuxSampler Control Protocol        December 2006
1794    
1795    
1796        FIX -        FIX -
1797    
1798           either true or false, if false then this parameter can be           either true or false, if false then this parameter can be
# Line 1784  Internet-Draft        LinuxSampler Contr Line 1828  Internet-Draft        LinuxSampler Contr
1828           character strings are encapsulated into apostrophes (')           character strings are encapsulated into apostrophes (')
1829           (optionally returned, dependent to driver parameter)           (optionally returned, dependent to driver parameter)
1830    
   
   
   
   
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1831        RANGE_MIN -        RANGE_MIN -
1832    
1833           defines lower limit of the allowed value range for this           defines lower limit of the allowed value range for this
# Line 1806  Internet-Draft        LinuxSampler Contr Line 1841  Internet-Draft        LinuxSampler Contr
1841           defines upper limit of the allowed value range for this           defines upper limit of the allowed value range for this
1842           parameter, can be an integer value as well as a dotted number,           parameter, can be an integer value as well as a dotted number,
1843           this parameter is often used in conjunction with RANGE_MIN, but           this parameter is often used in conjunction with RANGE_MIN, but
1844    
1845    
1846    
1847    Schoenebeck               Expires July 2, 2007                 [Page 33]
1848    
1849    Internet-Draft        LinuxSampler Control Protocol        December 2006
1850    
1851    
1852           may also appear without (optionally returned, dependent to           may also appear without (optionally returned, dependent to
1853           driver parameter)           driver parameter)
1854    
# Line 1835  Internet-Draft        LinuxSampler Contr Line 1878  Internet-Draft        LinuxSampler Contr
1878    
1879           "."           "."
1880    
1881    6.3.5.  Creating a MIDI input device
1882    
1883  6.3.5  Creating a MIDI input device     Use the following command to create a new MIDI input device for the
   
    Use the following command to create a new MIDI input device for  the  
1884     desired MIDI input system:     desired MIDI input system:
1885    
   
   
   
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1886        CREATE MIDI_INPUT_DEVICE <midi-input-driver> [<param-list>]        CREATE MIDI_INPUT_DEVICE <midi-input-driver> [<param-list>]
1887    
1888     Where <midi-input-driver> should be replaced by the desired MIDI     Where <midi-input-driver> should be replaced by the desired MIDI
# Line 1862  Internet-Draft        LinuxSampler Contr Line 1896  Internet-Draft        LinuxSampler Contr
1896    
1897     Possible Answers:     Possible Answers:
1898    
1899    
1900    
1901    
1902    
1903    Schoenebeck               Expires July 2, 2007                 [Page 34]
1904    
1905    Internet-Draft        LinuxSampler Control Protocol        December 2006
1906    
1907    
1908        "OK[<device-id>]" -        "OK[<device-id>]" -
1909    
1910           in case the device was successfully created, where <device-id>           in case the device was successfully created, where <device-id>
# Line 1885  Internet-Draft        LinuxSampler Contr Line 1928  Internet-Draft        LinuxSampler Contr
1928    
1929        S: "OK[0]"        S: "OK[0]"
1930    
1931    6.3.6.  Destroying a MIDI input device
 6.3.6  Destroying a MIDI input device  
1932    
1933     Use the following command to destroy a created MIDI input device:     Use the following command to destroy a created MIDI input device:
1934    
# Line 1898  Internet-Draft        LinuxSampler Contr Line 1940  Internet-Draft        LinuxSampler Contr
1940    
1941     Possible Answers:     Possible Answers:
1942    
   
   
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1943        "OK" -        "OK" -
1944    
1945           in case the device was successfully destroyed           in case the device was successfully destroyed
# Line 1917  Internet-Draft        LinuxSampler Contr Line 1952  Internet-Draft        LinuxSampler Contr
1952    
1953        "ERR:<error-code>:<error-message>" -        "ERR:<error-code>:<error-message>" -
1954    
1955    
1956    
1957    
1958    
1959    Schoenebeck               Expires July 2, 2007                 [Page 35]
1960    
1961    Internet-Draft        LinuxSampler Control Protocol        December 2006
1962    
1963    
1964           in case it failed, providing an appropriate error code and           in case it failed, providing an appropriate error code and
1965           error message           error message
1966    
# Line 1926  Internet-Draft        LinuxSampler Contr Line 1970  Internet-Draft        LinuxSampler Contr
1970    
1971        S: "OK"        S: "OK"
1972    
1973    6.3.7.  Getting all created MIDI input device count
 6.3.7  Getting all created MIDI input device count  
1974    
1975     Use the following command to count all created MIDI input devices:     Use the following command to count all created MIDI input devices:
1976    
# Line 1944  Internet-Draft        LinuxSampler Contr Line 1987  Internet-Draft        LinuxSampler Contr
1987    
1988        S: "3"        S: "3"
1989    
1990    6.3.8.  Getting all created MIDI input device list
 6.3.8  Getting all created MIDI input device list  
1991    
1992     Use the following command to list all created MIDI input devices:     Use the following command to list all created MIDI input devices:
1993    
# Line 1953  Internet-Draft        LinuxSampler Contr Line 1995  Internet-Draft        LinuxSampler Contr
1995    
1996     Possible Answers:     Possible Answers:
1997    
   
   
   
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1998        LinuxSampler will answer by sending a comma separated list with        LinuxSampler will answer by sending a comma separated list with
1999        the numerical Ids of all created MIDI input devices.        the numerical Ids of all created MIDI input devices.
2000    
# Line 1975  Internet-Draft        LinuxSampler Contr Line 2009  Internet-Draft        LinuxSampler Contr
2009        S: "1,3"        S: "1,3"
2010    
2011    
2012  6.3.9  Getting current settings of a MIDI input device  
2013    
2014    
2015    Schoenebeck               Expires July 2, 2007                 [Page 36]
2016    
2017    Internet-Draft        LinuxSampler Control Protocol        December 2006
2018    
2019    
2020    6.3.9.  Getting current settings of a MIDI input device
2021    
2022     Use the following command to get current settings of a specific,     Use the following command to get current settings of a specific,
2023     created MIDI input device:     created MIDI input device:
# Line 2010  Internet-Draft        LinuxSampler Contr Line 2052  Internet-Draft        LinuxSampler Contr
2052              inactive and doesn't listen to any incoming MIDI events and              inactive and doesn't listen to any incoming MIDI events and
2053              thus doesn't forward them to connected sampler channels              thus doesn't forward them to connected sampler channels
2054    
   
   
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2055     The mentioned fields above don't have to be in particular order.  The     The mentioned fields above don't have to be in particular order.  The
2056     fields above are only those fields which are returned by all MIDI     fields above are only those fields which are returned by all MIDI
2057     input devices.  Every MIDI input driver might have its own,     input devices.  Every MIDI input driver might have its own,
# Line 2030  Internet-Draft        LinuxSampler Contr Line 2065  Internet-Draft        LinuxSampler Contr
2065    
2066        S: "DRIVER: ALSA"        S: "DRIVER: ALSA"
2067    
2068    
2069    
2070    
2071    Schoenebeck               Expires July 2, 2007                 [Page 37]
2072    
2073    Internet-Draft        LinuxSampler Control Protocol        December 2006
2074    
2075    
2076           "ACTIVE: true"           "ACTIVE: true"
2077    
2078           "."           "."
2079    
2080    6.3.10.  Changing settings of MIDI input devices
 6.3.10  Changing settings of MIDI input devices  
2081    
2082     Use the following command to alter a specific setting of a created     Use the following command to alter a specific setting of a created
2083     MIDI input device:     MIDI input device:
# Line 2065  Internet-Draft        LinuxSampler Contr Line 2107  Internet-Draft        LinuxSampler Contr
2107           in case it failed, providing an appropriate error code and           in case it failed, providing an appropriate error code and
2108           error message           error message
2109    
   
   
   
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2110     Example:     Example:
2111    
2112        C: "SET MIDI_INPUT_DEVICE_PARAMETER 0 ACTIVE=false"        C: "SET MIDI_INPUT_DEVICE_PARAMETER 0 ACTIVE=false"
2113    
2114        S: "OK"        S: "OK"
2115    
2116    6.3.11.  Getting information about a MIDI port
 6.3.11  Getting information about a MIDI port  
2117    
2118     Use the following command to get information about a MIDI port:     Use the following command to get information about a MIDI port:
2119    
# Line 2088  Internet-Draft        LinuxSampler Contr Line 2121  Internet-Draft        LinuxSampler Contr
2121    
2122     Where <device-id> is the numerical ID of the MIDI input device as     Where <device-id> is the numerical ID of the MIDI input device as
2123     returned by the "CREATE MIDI_INPUT_DEVICE" (Section 6.3.5) or "LIST     returned by the "CREATE MIDI_INPUT_DEVICE" (Section 6.3.5) or "LIST
2124    
2125    
2126    
2127    Schoenebeck               Expires July 2, 2007                 [Page 38]
2128    
2129    Internet-Draft        LinuxSampler Control Protocol        December 2006
2130    
2131    
2132     MIDI_INPUT_DEVICES" (Section 6.3.8) command and <midi-port> the MIDI     MIDI_INPUT_DEVICES" (Section 6.3.8) command and <midi-port> the MIDI
2133     input port number.     input port number.
2134    
# Line 2117  Internet-Draft        LinuxSampler Contr Line 2158  Internet-Draft        LinuxSampler Contr
2158    
2159           "."           "."
2160    
2161    6.3.12.  Getting information about specific MIDI port parameter
 6.3.12  Getting information about specific MIDI port parameter  
2162    
2163     Use the following command to get detailed information about specific     Use the following command to get detailed information about specific
   
   
   
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2164     MIDI port parameter:     MIDI port parameter:
2165    
2166        GET MIDI_INPUT_PORT_PARAMETER INFO <dev-id> <port> <param>        GET MIDI_INPUT_PORT_PARAMETER INFO <dev-id> <port> <param>
# Line 2145  Internet-Draft        LinuxSampler Contr Line 2177  Internet-Draft        LinuxSampler Contr
2177        LinuxSampler will answer by sending a <CRLF> separated list.  Each        LinuxSampler will answer by sending a <CRLF> separated list.  Each
2178        answer line begins with the information category name followed by        answer line begins with the information category name followed by
2179        a colon and then a space character <SP> and finally the info        a colon and then a space character <SP> and finally the info
2180    
2181    
2182    
2183    Schoenebeck               Expires July 2, 2007                 [Page 39]
2184    
2185    Internet-Draft        LinuxSampler Control Protocol        December 2006
2186    
2187    
2188        character string to that info category.  There is information        character string to that info category.  There is information
2189        which is always returned, independently of the given channel        which is always returned, independently of the given channel
2190        parameter and there is optional information which are only shown        parameter and there is optional information which are only shown
# Line 2177  Internet-Draft        LinuxSampler Contr Line 2217  Internet-Draft        LinuxSampler Contr
2217    
2218           defines lower limit of the allowed value range for this           defines lower limit of the allowed value range for this
2219           parameter, can be an integer value as well as a dotted number,           parameter, can be an integer value as well as a dotted number,
   
   
   
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2220           this parameter is usually used in conjunction with 'RANGE_MAX'           this parameter is usually used in conjunction with 'RANGE_MAX'
2221           but may also appear without (optionally returned, dependent to           but may also appear without (optionally returned, dependent to
2222           driver and port parameter)           driver and port parameter)
# Line 2201  Internet-Draft        LinuxSampler Contr Line 2233  Internet-Draft        LinuxSampler Contr
2233    
2234           comma separated list of possible values for this parameter,           comma separated list of possible values for this parameter,
2235           character strings are encapsulated into apostrophes (optionally           character strings are encapsulated into apostrophes (optionally
2236    
2237    
2238    
2239    Schoenebeck               Expires July 2, 2007                 [Page 40]
2240    
2241    Internet-Draft        LinuxSampler Control Protocol        December 2006
2242    
2243    
2244           returned, dependent to device and port parameter)           returned, dependent to device and port parameter)
2245    
2246     The mentioned fields above don't have to be in particular order.     The mentioned fields above don't have to be in particular order.
# Line 2221  Internet-Draft        LinuxSampler Contr Line 2261  Internet-Draft        LinuxSampler Contr
2261    
2262           "."           "."
2263    
2264    6.3.13.  Changing settings of MIDI input ports
 6.3.13  Changing settings of MIDI input ports  
2265    
2266     Use the following command to alter a specific setting of a MIDI input     Use the following command to alter a specific setting of a MIDI input
2267     port:     port:
# Line 2233  Internet-Draft        LinuxSampler Contr Line 2272  Internet-Draft        LinuxSampler Contr
2272     device as returned by the "CREATE MIDI_INPUT_DEVICE" (Section 6.3.5)     device as returned by the "CREATE MIDI_INPUT_DEVICE" (Section 6.3.5)
2273     or "LIST MIDI_INPUT_DEVICES" (Section 6.3.8) command, <port> by the     or "LIST MIDI_INPUT_DEVICES" (Section 6.3.8) command, <port> by the
2274     MIDI port number, <key> by the name of the parameter to change and     MIDI port number, <key> by the name of the parameter to change and
   
   
   
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2275     <value> by the new value for this parameter.     <value> by the new value for this parameter.
2276    
2277     Possible Answers:     Possible Answers:
# Line 2257  Internet-Draft        LinuxSampler Contr Line 2288  Internet-Draft        LinuxSampler Contr
2288    
2289        "ERR:<error-code>:<error-message>" -        "ERR:<error-code>:<error-message>" -
2290    
2291    
2292    
2293    
2294    
2295    Schoenebeck               Expires July 2, 2007                 [Page 41]
2296    
2297    Internet-Draft        LinuxSampler Control Protocol        December 2006
2298    
2299    
2300           in case it failed, providing an appropriate error code and           in case it failed, providing an appropriate error code and
2301           error message           error message
2302    
# Line 2264  Internet-Draft        LinuxSampler Contr Line 2304  Internet-Draft        LinuxSampler Contr
2304    
2305    
2306    
2307    6.4.  Configuring sampler channels
 6.4  Configuring sampler channels  
2308    
2309     The following commands describe how to add and remove sampler     The following commands describe how to add and remove sampler
2310     channels, associate a sampler channel with a sampler engine, load     channels, associate a sampler channel with a sampler engine, load
2311     instruments and connect sampler channels to MIDI and audio devices.     instruments and connect sampler channels to MIDI and audio devices.
2312    
2313  6.4.1  Loading an instrument  6.4.1.  Loading an instrument
2314    
2315     An instrument file can be loaded and assigned to a sampler channel by     An instrument file can be loaded and assigned to a sampler channel by
2316     one of the following commands:     one of the following commands:
# Line 2289  Internet-Draft        LinuxSampler Contr Line 2328  Internet-Draft        LinuxSampler Contr
2328     is that the regular command returns OK only after the instrument has     is that the regular command returns OK only after the instrument has
2329     been fully loaded and the channel is ready to be used while NON_MODAL     been fully loaded and the channel is ready to be used while NON_MODAL
2330     version returns immediately and a background process is launched to     version returns immediately and a background process is launched to
   
   
   
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2331     load the instrument on the channel.  The GET CHANNEL INFO     load the instrument on the channel.  The GET CHANNEL INFO
2332     (Section 6.4.10) command can be used to obtain loading progress from     (Section 6.4.10) command can be used to obtain loading progress from
2333     INSTRUMENT_STATUS field.  LOAD command will perform sanity checks     INSTRUMENT_STATUS field.  LOAD command will perform sanity checks
# Line 2314  Internet-Draft        LinuxSampler Contr Line 2345  Internet-Draft        LinuxSampler Contr
2345    
2346           in case the instrument was loaded successfully, but there are           in case the instrument was loaded successfully, but there are
2347           noteworthy issue(s) related (e.g.  Engine doesn't support one           noteworthy issue(s) related (e.g.  Engine doesn't support one
2348    
2349    
2350    
2351    Schoenebeck               Expires July 2, 2007                 [Page 42]
2352    
2353    Internet-Draft        LinuxSampler Control Protocol        December 2006
2354    
2355    
2356           or more patch parameters provided by the loaded instrument           or more patch parameters provided by the loaded instrument
2357           file), providing an appropriate warning code and warning           file), providing an appropriate warning code and warning
2358           message           message
# Line 2327  Internet-Draft        LinuxSampler Contr Line 2366  Internet-Draft        LinuxSampler Contr
2366    
2367    
2368    
2369    6.4.2.  Loading a sampler engine
 6.4.2  Loading a sampler engine  
2370    
2371     A sampler engine type can be associated to a specific sampler channel     A sampler engine type can be associated to a specific sampler channel
2372     by the following command:     by the following command:
# Line 2345  Internet-Draft        LinuxSampler Contr Line 2383  Internet-Draft        LinuxSampler Contr
2383     sampler channel.  This command has (currently) no way to define or     sampler channel.  This command has (currently) no way to define or
2384     force if a new engine instance should be created and assigned to the     force if a new engine instance should be created and assigned to the
2385     given sampler channel or if an already existing instance of that     given sampler channel or if an already existing instance of that
   
   
   
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2386     engine type, shared with other sampler channels, should be used.     engine type, shared with other sampler channels, should be used.
2387    
2388     Possible Answers:     Possible Answers:
# Line 2372  Internet-Draft        LinuxSampler Contr Line 2402  Internet-Draft        LinuxSampler Contr
2402           in case it failed, providing an appropriate error code and           in case it failed, providing an appropriate error code and
2403           error message           error message
2404    
    Example:  
2405    
2406    
2407    Schoenebeck               Expires July 2, 2007                 [Page 43]
2408    
2409    Internet-Draft        LinuxSampler Control Protocol        December 2006
2410    
2411    
2412       Example:
2413    
2414    
2415  6.4.3  Getting all created sampler channel count  
2416    6.4.3.  Getting all created sampler channel count
2417    
2418     The number of sampler channels can change on runtime.  To get the     The number of sampler channels can change on runtime.  To get the
2419     current amount of sampler channels, the front-end can send the     current amount of sampler channels, the front-end can send the
# Line 2396  Internet-Draft        LinuxSampler Contr Line 2432  Internet-Draft        LinuxSampler Contr
2432    
2433        S: "12"        S: "12"
2434    
2435    6.4.4.  Getting all created sampler channel list
 6.4.4  Getting all created sampler channel list  
2436    
2437     The number of sampler channels can change on runtime.  To get the     The number of sampler channels can change on runtime.  To get the
2438     current list of sampler channels, the front-end can send the     current list of sampler channels, the front-end can send the
   
   
   
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2439     following command:     following command:
2440    
2441        LIST CHANNELS        LIST CHANNELS
# Line 2424  Internet-Draft        LinuxSampler Contr Line 2451  Internet-Draft        LinuxSampler Contr
2451    
2452        S: "0,1,2,3,4,5,6,9,10,11,15,20"        S: "0,1,2,3,4,5,6,9,10,11,15,20"
2453    
2454    6.4.5.  Adding a new sampler channel
 6.4.5  Adding a new sampler channel  
2455    
2456     A new sampler channel can be added to the end of the sampler channel     A new sampler channel can be added to the end of the sampler channel
2457     list by sending the following command:     list by sending the following command:
2458    
2459    
2460    
2461    
2462    
2463    Schoenebeck               Expires July 2, 2007                 [Page 44]
2464    
2465    Internet-Draft        LinuxSampler Control Protocol        December 2006
2466    
2467    
2468        ADD CHANNEL        ADD CHANNEL
2469    
2470     This will increment the sampler channel count by one and the new     This will increment the sampler channel count by one and the new
# Line 2457  Internet-Draft        LinuxSampler Contr Line 2492  Internet-Draft        LinuxSampler Contr
2492           noteworthy issue(s) related, providing an appropriate warning           noteworthy issue(s) related, providing an appropriate warning
2493           code and warning message           code and warning message
2494    
   
   
   
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2495        "ERR:<error-code>:<error-message>" -        "ERR:<error-code>:<error-message>" -
2496    
2497           in case it failed, providing an appropriate error code and           in case it failed, providing an appropriate error code and
# Line 2474  Internet-Draft        LinuxSampler Contr Line 2501  Internet-Draft        LinuxSampler Contr
2501    
2502    
2503    
2504    6.4.6.  Removing a sampler channel
 6.4.6  Removing a sampler channel  
2505    
2506     A sampler channel can be removed by sending the following command:     A sampler channel can be removed by sending the following command:
2507    
# Line 2488  Internet-Draft        LinuxSampler Contr Line 2514  Internet-Draft        LinuxSampler Contr
2514    
2515     Possible Answers:     Possible Answers:
2516    
2517    
2518    
2519    Schoenebeck               Expires July 2, 2007                 [Page 45]
2520    
2521    Internet-Draft        LinuxSampler Control Protocol        December 2006
2522    
2523    
2524        "OK" -        "OK" -
2525    
2526           in case the given sampler channel could be removed           in case the given sampler channel could be removed
# Line 2507  Internet-Draft        LinuxSampler Contr Line 2540  Internet-Draft        LinuxSampler Contr
2540    
2541    
2542    
2543    6.4.7.  Getting amount of available engines
 6.4.7  Getting amount of available engines  
2544    
2545     The front-end can ask for the number of available engines by sending     The front-end can ask for the number of available engines by sending
2546     the following command:     the following command:
2547    
   
   
   
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2548        GET AVAILABLE_ENGINES        GET AVAILABLE_ENGINES
2549    
2550     Possible Answers:     Possible Answers:
# Line 2534  Internet-Draft        LinuxSampler Contr Line 2558  Internet-Draft        LinuxSampler Contr
2558    
2559        S: "4"        S: "4"
2560    
2561    6.4.8.  Getting all available engines
 6.4.8  Getting all available engines  
2562    
2563     The front-end can ask for a list of all available engines by sending     The front-end can ask for a list of all available engines by sending
2564     the following command:     the following command:
# Line 2544  Internet-Draft        LinuxSampler Contr Line 2567  Internet-Draft        LinuxSampler Contr
2567    
2568     Possible Answers:     Possible Answers:
2569    
2570    
2571    
2572    
2573    
2574    
2575    Schoenebeck               Expires July 2, 2007                 [Page 46]
2576    
2577    Internet-Draft        LinuxSampler Control Protocol        December 2006
2578    
2579    
2580        LinuxSampler will answer by sending a comma separated list of the        LinuxSampler will answer by sending a comma separated list of the
2581        engines' names encapsulated into apostrophes (').  Engine names        engines' names encapsulated into apostrophes (').  Engine names
2582        can consist of lower and upper cases, digits and underlines ("_"        can consist of lower and upper cases, digits and underlines ("_"
# Line 2555  Internet-Draft        LinuxSampler Contr Line 2588  Internet-Draft        LinuxSampler Contr
2588    
2589        S: "'GigEngine','AkaiEngine','DLSEngine','JoesCustomEngine'"        S: "'GigEngine','AkaiEngine','DLSEngine','JoesCustomEngine'"
2590    
2591    6.4.9.  Getting information about an engine
 6.4.9  Getting information about an engine  
2592    
2593     The front-end can ask for information about a specific engine by     The front-end can ask for information about a specific engine by
2594     sending the following command:     sending the following command:
# Line 2568  Internet-Draft        LinuxSampler Contr Line 2600  Internet-Draft        LinuxSampler Contr
2600    
2601     Possible Answers:     Possible Answers:
2602    
   
   
   
   
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2603        LinuxSampler will answer by sending a <CRLF> separated list.  Each        LinuxSampler will answer by sending a <CRLF> separated list.  Each
2604        answer line begins with the information category name followed by        answer line begins with the information category name followed by
2605        a colon and then a space character <SP> and finally the info        a colon and then a space character <SP> and finally the info
# Line 2601  Internet-Draft        LinuxSampler Contr Line 2624  Internet-Draft        LinuxSampler Contr
2624    
2625        S: "DESCRIPTION: this is Joe's custom sampler engine"        S: "DESCRIPTION: this is Joe's custom sampler engine"
2626    
2627    
2628    
2629    
2630    
2631    Schoenebeck               Expires July 2, 2007                 [Page 47]
2632    
2633    Internet-Draft        LinuxSampler Control Protocol        December 2006
2634    
2635    
2636           "VERSION: testing-1.0"           "VERSION: testing-1.0"
2637    
2638           "."           "."
2639    
2640    6.4.10.  Getting sampler channel information
 6.4.10  Getting sampler channel information  
2641    
2642     The front-end can ask for the current settings of a sampler channel     The front-end can ask for the current settings of a sampler channel
2643     by sending the following command:     by sending the following command:
# Line 2627  Internet-Draft        LinuxSampler Contr Line 2658  Internet-Draft        LinuxSampler Contr
2658    
2659    
2660    
   
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2661           ENGINE_NAME -           ENGINE_NAME -
2662    
2663              name of the engine that is associated with the sampler              name of the engine that is associated with the sampler
# Line 2658  Internet-Draft        LinuxSampler Contr Line 2681  Internet-Draft        LinuxSampler Contr
2681              comma separated list which reflects to which audio channel              comma separated list which reflects to which audio channel
2682              of the selected audio output device each sampler output              of the selected audio output device each sampler output
2683              channel is routed to, e.g. "0,3" would mean the engine's              channel is routed to, e.g. "0,3" would mean the engine's
2684    
2685    
2686    
2687    Schoenebeck               Expires July 2, 2007                 [Page 48]
2688    
2689    Internet-Draft        LinuxSampler Control Protocol        December 2006
2690    
2691    
2692              output channel 0 is routed to channel 0 of the audio output              output channel 0 is routed to channel 0 of the audio output
2693              device and the engine's output channel 1 is routed to the              device and the engine's output channel 1 is routed to the
2694              channel 3 of the audio output device              channel 3 of the audio output device
# Line 2682  Internet-Draft        LinuxSampler Contr Line 2713  Internet-Draft        LinuxSampler Contr
2713              loading exception.  Value of 100 indicates that the              loading exception.  Value of 100 indicates that the
2714              instrument is fully loaded.              instrument is fully loaded.
2715    
   
   
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2716           MIDI_INPUT_DEVICE -           MIDI_INPUT_DEVICE -
2717    
2718              numerical ID of the MIDI input device which is currently              numerical ID of the MIDI input device which is currently
# Line 2711  Internet-Draft        LinuxSampler Contr Line 2735  Internet-Draft        LinuxSampler Contr
2735              (where a value < 1.0 means attenuation and a value > 1.0              (where a value < 1.0 means attenuation and a value > 1.0
2736              means amplification)              means amplification)
2737    
2738    
2739    
2740    
2741    
2742    
2743    Schoenebeck               Expires July 2, 2007                 [Page 49]
2744    
2745    Internet-Draft        LinuxSampler Control Protocol        December 2006
2746    
2747    
2748           MUTE -           MUTE -
2749    
2750              Determines whether the channel is muted, "true" if the              Determines whether the channel is muted, "true" if the
# Line 2724  Internet-Draft        LinuxSampler Contr Line 2758  Internet-Draft        LinuxSampler Contr
2758              Determines whether this is a solo channel, "true" if the              Determines whether this is a solo channel, "true" if the
2759              channel is a solo channel; "false" otherwise              channel is a solo channel; "false" otherwise
2760    
2761             MIDI_INSTRUMENT_MAP -
2762    
2763                Determines to which MIDI instrument map this sampler channel
2764                is assigned to.  Read chapter "SET CHANNEL
2765                MIDI_INSTRUMENT_MAP" (Section 6.4.24) for a list of possible
2766                values.
2767    
2768     The mentioned fields above don't have to be in particular order.     The mentioned fields above don't have to be in particular order.
2769    
2770     Example:     Example:
# Line 2736  Internet-Draft        LinuxSampler Contr Line 2777  Internet-Draft        LinuxSampler Contr
2777    
2778           "AUDIO_OUTPUT_DEVICE: 0"           "AUDIO_OUTPUT_DEVICE: 0"
2779    
   
   
   
   
 Schoenebeck             Expires January 22, 2006               [Page 49]  
   
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2780           "AUDIO_OUTPUT_CHANNELS: 2"           "AUDIO_OUTPUT_CHANNELS: 2"
2781    
2782           "AUDIO_OUTPUT_ROUTING: 0,1"           "AUDIO_OUTPUT_ROUTING: 0,1"
# Line 2761  Internet-Draft        LinuxSampler Contr Line 2793  Internet-Draft        LinuxSampler Contr
2793    
2794           "MIDI_INPUT_PORT: 0"           "MIDI_INPUT_PORT: 0"
2795    
2796    
2797    
2798    
2799    Schoenebeck               Expires July 2, 2007                 [Page 50]
2800    
2801    Internet-Draft        LinuxSampler Control Protocol        December 2006
2802    
2803    
2804           "MIDI_INPUT_CHANNEL: 5"           "MIDI_INPUT_CHANNEL: 5"
2805    
2806           "."           "VOLUME: 1.0"
2807    
2808             "MUTE: false"
2809    
2810             "SOLO: false"
2811    
2812             "MIDI_INSTRUMENT_MAP: NONE"
2813    
2814             "."
2815    
2816  6.4.11  Current number of active voices  6.4.11.  Current number of active voices
2817    
2818     The front-end can ask for the current number of active voices on a     The front-end can ask for the current number of active voices on a
2819     sampler channel by sending the following command:     sampler channel by sending the following command:
# Line 2786  Internet-Draft        LinuxSampler Contr Line 2833  Internet-Draft        LinuxSampler Contr
2833    
2834    
2835    
2836    6.4.12.  Current number of active disk streams
 6.4.12  Current number of active disk streams  
2837    
2838     The front-end can ask for the current number of active disk streams     The front-end can ask for the current number of active disk streams
2839     on a sampler channel by sending the following command:     on a sampler channel by sending the following command:
2840    
   
   
   
   
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2841        GET CHANNEL STREAM_COUNT <sampler-channel>        GET CHANNEL STREAM_COUNT <sampler-channel>
2842    
2843     Where <sampler-channel> is the sampler channel number the front-end     Where <sampler-channel> is the sampler channel number the front-end
# Line 2812  Internet-Draft        LinuxSampler Contr Line 2849  Internet-Draft        LinuxSampler Contr
2849        LinuxSampler will answer by returning the number of active disk        LinuxSampler will answer by returning the number of active disk
2850        streams on that channel in case the engine supports disk        streams on that channel in case the engine supports disk
2851        streaming, if the engine doesn't support disk streaming it will        streaming, if the engine doesn't support disk streaming it will
2852    
2853    
2854    
2855    Schoenebeck               Expires July 2, 2007                 [Page 51]
2856    
2857    Internet-Draft        LinuxSampler Control Protocol        December 2006
2858    
2859    
2860        return "NA" for not available.        return "NA" for not available.
2861    
2862     Example:     Example:
2863    
2864    
2865    
2866    6.4.13.  Current fill state of disk stream buffers
 6.4.13  Current fill state of disk stream buffers  
2867    
2868     The front-end can ask for the current fill state of all disk streams     The front-end can ask for the current fill state of all disk streams
2869     on a sampler channel by sending the following command:     on a sampler channel by sending the following command:
# Line 2850  Internet-Draft        LinuxSampler Contr Line 2894  Internet-Draft        LinuxSampler Contr
2894    
2895     Examples:     Examples:
2896    
   
   
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2897        C: "GET CHANNEL BUFFER_FILL BYTES 4"        C: "GET CHANNEL BUFFER_FILL BYTES 4"
2898    
2899        S: "[115]420500,[116]510300,[75]110000,[120]230700"        S: "[115]420500,[116]510300,[75]110000,[120]230700"
# Line 2867  Internet-Draft        LinuxSampler Contr Line 2904  Internet-Draft        LinuxSampler Contr
2904    
2905        C: "GET CHANNEL BUFFER_FILL PERCENTAGE 4"        C: "GET CHANNEL BUFFER_FILL PERCENTAGE 4"
2906    
       S: ""  
2907    
2908    
2909  6.4.14  Setting audio output device  
2910    
2911    Schoenebeck               Expires July 2, 2007                 [Page 52]
2912    
2913    Internet-Draft        LinuxSampler Control Protocol        December 2006
2914    
2915    
2916          S: ""
2917    
2918    6.4.14.  Setting audio output device
2919    
2920     The front-end can set the audio output device on a specific sampler     The front-end can set the audio output device on a specific sampler
2921     channel by sending the following command:     channel by sending the following command:
# Line 2906  Internet-Draft        LinuxSampler Contr Line 2951  Internet-Draft        LinuxSampler Contr
2951    
2952    
2953    
2954    6.4.15.  Setting audio output type
   
 Schoenebeck             Expires January 22, 2006               [Page 52]  
   
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 6.4.15  Setting audio output type  
2955    
2956     DEPRECATED: THIS COMMAND WILL DISAPPEAR SOON!     DEPRECATED: THIS COMMAND WILL DISAPPEAR SOON!
2957    
# Line 2926  Internet-Draft        LinuxSampler Contr Line 2961  Internet-Draft        LinuxSampler Contr
2961        SET CHANNEL AUDIO_OUTPUT_TYPE <sampler-channel> <audio-output-        SET CHANNEL AUDIO_OUTPUT_TYPE <sampler-channel> <audio-output-
2962        type>        type>
2963    
2964    
2965    
2966    
2967    Schoenebeck               Expires July 2, 2007                 [Page 53]
2968    
2969    Internet-Draft        LinuxSampler Control Protocol        December 2006
2970    
2971    
2972     Where <audio-output-type> is currently either "ALSA" or "JACK" and     Where <audio-output-type> is currently either "ALSA" or "JACK" and
2973     <sampler-channel> is the respective sampler channel number.     <sampler-channel> is the respective sampler channel number.
2974    
# Line 2950  Internet-Draft        LinuxSampler Contr Line 2993  Internet-Draft        LinuxSampler Contr
2993    
2994    
2995    
2996    6.4.16.  Setting audio output channel
 6.4.16  Setting audio output channel  
2997    
2998     The front-end can alter the audio output channel on a specific     The front-end can alter the audio output channel on a specific
2999     sampler channel by sending the following command:     sampler channel by sending the following command:
# Line 2961  Internet-Draft        LinuxSampler Contr Line 3003  Internet-Draft        LinuxSampler Contr
3003    
3004     Where <sampler-chan> is the sampler channel number as returned by the     Where <sampler-chan> is the sampler channel number as returned by the
3005     "ADD CHANNEL" (Section 6.4.5) or "LIST CHANNELS" (Section 6.4.4)     "ADD CHANNEL" (Section 6.4.5) or "LIST CHANNELS" (Section 6.4.4)
   
   
   
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3006     command, <audio-out> is the numerical ID of the sampler channel's     command, <audio-out> is the numerical ID of the sampler channel's
3007     audio output channel which should be rerouted and <audio-in> is the     audio output channel which should be rerouted and <audio-in> is the
3008     numerical ID of the audio channel of the selected audio output device     numerical ID of the audio channel of the selected audio output device
# Line 2982  Internet-Draft        LinuxSampler Contr Line 3016  Internet-Draft        LinuxSampler Contr
3016    
3017        "WRN:<warning-code>:<warning-message>" -        "WRN:<warning-code>:<warning-message>" -
3018    
3019    
3020    
3021    
3022    
3023    Schoenebeck               Expires July 2, 2007                 [Page 54]
3024    
3025    Internet-Draft        LinuxSampler Control Protocol        December 2006
3026    
3027    
3028           if audio output channel was set, but there are noteworthy           if audio output channel was set, but there are noteworthy
3029           issue(s) related, providing an appropriate warning code and           issue(s) related, providing an appropriate warning code and
3030           warning message           warning message
# Line 2995  Internet-Draft        LinuxSampler Contr Line 3038  Internet-Draft        LinuxSampler Contr
3038    
3039    
3040    
3041    6.4.17.  Setting MIDI input device
 6.4.17  Setting MIDI input device  
3042    
3043     The front-end can set the MIDI input device on a specific sampler     The front-end can set the MIDI input device on a specific sampler
3044     channel by sending the following command:     channel by sending the following command:
# Line 3005  Internet-Draft        LinuxSampler Contr Line 3047  Internet-Draft        LinuxSampler Contr
3047    
3048     Where <sampler-channel> is the sampler channel number as returned by     Where <sampler-channel> is the sampler channel number as returned by
3049     the "ADD CHANNEL" (Section 6.4.5) or "LIST CHANNELS" (Section 6.4.4)     the "ADD CHANNEL" (Section 6.4.5) or "LIST CHANNELS" (Section 6.4.4)
3050     command and <midi-device-id> is  the numerical ID of the MIDI input     command and <midi-device-id> is the numerical ID of the MIDI input
3051     device as returned by the "CREATE MIDI_INPUT_DEVICE" (Section 6.3.5)     device as returned by the "CREATE MIDI_INPUT_DEVICE" (Section 6.3.5)
3052     or "LIST MIDI_INPUT_DEVICES" (Section 6.3.8) command.     or "LIST MIDI_INPUT_DEVICES" (Section 6.3.8) command.
3053    
# Line 3015  Internet-Draft        LinuxSampler Contr Line 3057  Internet-Draft        LinuxSampler Contr
3057    
3058           on success           on success
3059    
   
   
   
   
   
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 Internet-Draft        LinuxSampler Control Protocol            July 2005  
   
   
3060        "WRN:<warning-code>:<warning-message>" -        "WRN:<warning-code>:<warning-message>" -
3061    
3062           if MIDI input device was set, but there are noteworthy issue(s)           if MIDI input device was set, but there are noteworthy issue(s)
# Line 3041  Internet-Draft        LinuxSampler Contr Line 3073  Internet-Draft        LinuxSampler Contr
3073    
3074    
3075    
3076  6.4.18  Setting MIDI input type  
3077    
3078    
3079    Schoenebeck               Expires July 2, 2007                 [Page 55]
3080    
3081    Internet-Draft        LinuxSampler Control Protocol        December 2006
3082    
3083    
3084    6.4.18.  Setting MIDI input type
3085    
3086     DEPRECATED: THIS COMMAND WILL DISAPPEAR SOON!     DEPRECATED: THIS COMMAND WILL DISAPPEAR SOON!
3087    
# Line 3074  Internet-Draft        LinuxSampler Contr Line 3114  Internet-Draft        LinuxSampler Contr
3114    
3115    
3116    
3117    6.4.19.  Setting MIDI input port
   
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 Internet-Draft        LinuxSampler Control Protocol            July 2005  
   
   
   
   
   
 6.4.19  Setting MIDI input port  
3118    
3119     The front-end can alter the MIDI input port on a specific sampler     The front-end can alter the MIDI input port on a specific sampler
3120     channel by sending the following command:     channel by sending the following command:
# Line 3098  Internet-Draft        LinuxSampler Contr Line 3128  Internet-Draft        LinuxSampler Contr
3128    
3129        "OK" -        "OK" -
3130    
3131    
3132    
3133    
3134    
3135    Schoenebeck               Expires July 2, 2007                 [Page 56]
3136    
3137    Internet-Draft        LinuxSampler Control Protocol        December 2006
3138    
3139    
3140           on success           on success
3141    
3142        "WRN:<warning-code>:<warning-message>" -        "WRN:<warning-code>:<warning-message>" -
# Line 3115  Internet-Draft        LinuxSampler Contr Line 3154  Internet-Draft        LinuxSampler Contr
3154    
3155    
3156    
3157    6.4.20.  Setting MIDI input channel
 6.4.20  Setting MIDI input channel  
3158    
3159     The front-end can alter the MIDI channel a sampler channel should     The front-end can alter the MIDI channel a sampler channel should
3160     listen to by sending the following command:     listen to by sending the following command:
# Line 3129  Internet-Draft        LinuxSampler Contr Line 3167  Internet-Draft        LinuxSampler Contr
3167    
3168     Possible Answers:     Possible Answers:
3169    
   
   
   
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3170        "OK" -        "OK" -
3171    
3172           on success           on success
# Line 3157  Internet-Draft        LinuxSampler Contr Line 3187  Internet-Draft        LinuxSampler Contr
3187    
3188    
3189    
3190  6.4.21  Setting channel volume  
3191    Schoenebeck               Expires July 2, 2007                 [Page 57]
3192    
3193    Internet-Draft        LinuxSampler Control Protocol        December 2006
3194    
3195    
3196    
3197    
3198    6.4.21.  Setting channel volume
3199    
3200     The front-end can alter the volume of a sampler channel by sending     The front-end can alter the volume of a sampler channel by sending
3201     the following command:     the following command:
# Line 3186  Internet-Draft        LinuxSampler Contr Line 3224  Internet-Draft        LinuxSampler Contr
3224           in case it failed, providing an appropriate error code and           in case it failed, providing an appropriate error code and
3225           error message           error message
3226    
   
   
 Schoenebeck             Expires January 22, 2006               [Page 57]  
   
 Internet-Draft        LinuxSampler Control Protocol            July 2005  
   
   
3227     Examples:     Examples:
3228    
3229    
3230    
3231    6.4.22.  Muting a sampler channel
 6.4.22  Muting a sampler channel  
3232    
3233     The front-end can mute/unmute a specific sampler channel by sending     The front-end can mute/unmute a specific sampler channel by sending
3234     the following command:     the following command:
# Line 3212  Internet-Draft        LinuxSampler Contr Line 3242  Internet-Draft        LinuxSampler Contr
3242    
3243     Possible Answers:     Possible Answers:
3244    
3245    
3246    
3247    Schoenebeck               Expires July 2, 2007                 [Page 58]
3248    
3249    Internet-Draft        LinuxSampler Control Protocol        December 2006
3250    
3251    
3252        "OK" -        "OK" -
3253    
3254           on success           on success
# Line 3231  Internet-Draft        LinuxSampler Contr Line 3268  Internet-Draft        LinuxSampler Contr
3268    
3269    
3270    
3271    6.4.23.  Soloing a sampler channel
 6.4.23  Soloing a sampler channel  
3272    
3273     The front-end can solo/unsolo a specific sampler channel by sending     The front-end can solo/unsolo a specific sampler channel by sending
3274     the following command:     the following command:
# Line 3241  Internet-Draft        LinuxSampler Contr Line 3277  Internet-Draft        LinuxSampler Contr
3277    
3278     Where <sampler-channel> is the respective sampler channel number as     Where <sampler-channel> is the respective sampler channel number as
3279     returned by the "ADD CHANNEL" (Section 6.4.5) or "LIST CHANNELS"     returned by the "ADD CHANNEL" (Section 6.4.5) or "LIST CHANNELS"
3280       (Section 6.4.4) command and <solo> should be replaced either by "1"
3281       to solo the channel or "0" to unsolo the channel.
3282    
3283       Possible Answers:
3284    
3285          "OK" -
3286    
3287  Schoenebeck             Expires January 22, 2006               [Page 58]           on success
3288    
3289  Internet-Draft        LinuxSampler Control Protocol            July 2005        "WRN:<warning-code>:<warning-message>" -
3290    
3291             if the channel was soloed/unsoloed, but there are noteworthy
3292             issue(s) related, providing an appropriate warning code and
3293             warning message
3294    
3295     (Section 6.4.4) command and <solo> should be replaced either by "1"        "ERR:<error-code>:<error-message>" -
3296     to solo the channel or "0" to unsolo the channel.  
3297             in case it failed, providing an appropriate error code and
3298             error message
3299    
3300    
3301    
3302    
3303    Schoenebeck               Expires July 2, 2007                 [Page 59]
3304    
3305    Internet-Draft        LinuxSampler Control Protocol        December 2006
3306    
3307    
3308       Examples:
3309    
3310    
3311    
3312    6.4.24.  Assigning a MIDI instrument map to a sampler channel
3313    
3314       The front-end can assign a MIDI instrument map to a specific sampler
3315       channel by sending the following command:
3316    
3317          SET CHANNEL MIDI_INSTRUMENT_MAP <sampler-channel> <map>
3318    
3319       Where <sampler-channel> is the respective sampler channel number as
3320       returned by the "ADD CHANNEL" (Section 6.4.5) or "LIST CHANNELS"
3321       (Section 6.4.4) command and <map> can have the following
3322       possibilites:
3323    
3324          "NONE" -
3325    
3326             This is the default setting.  In this case the sampler channel
3327             is not assigned any MIDI instrument map and thus will ignore
3328             all MIDI program change messages.
3329    
3330          "DEFAULT" -
3331    
3332             The sampler channel will always use the default MIDI instrument
3333             map to handle MIDI program change messages.
3334    
3335          numeric ID -
3336    
3337             You can assign a specific MIDI instrument map by replacing
3338             <map> with the respective numeric ID of the MIDI instrument map
3339             as returned by the "LIST MIDI_INSTRUMENT_MAPS" (Section 6.7.4)
3340             command.  Once that map will be deleted, the sampler channel
3341             would fall back to "NONE".
3342    
3343       Read chapter "MIDI Instrument Mapping" (Section 6.7) for details
3344       regarding MIDI instrument mapping.
3345    
3346       Possible Answers:
3347    
3348          "OK" -
3349    
3350             on success
3351    
3352          "ERR:<error-code>:<error-message>" -
3353    
3354             in case it failed, providing an appropriate error code and
3355             error message
3356    
3357    
3358    
3359    Schoenebeck               Expires July 2, 2007                 [Page 60]
3360    
3361    Internet-Draft        LinuxSampler Control Protocol        December 2006
3362    
3363    
3364       Examples:
3365    
3366    
3367    
3368    6.4.25.  Adding an effect send to a sampler channel
3369    
3370       The front-end can create an additional effect send on a specific
3371       sampler channel by sending the following command:
3372    
3373          CREATE FX_SEND <sampler-channel> <midi-ctrl> [<name>]
3374    
3375       Where <sampler-channel> is the respective sampler channel number as
3376       returned by the "ADD CHANNEL" (Section 6.4.5) or "LIST CHANNELS"
3377       (Section 6.4.4) command, that is the sampler channel on which the
3378       effect send should be created on, <midi-ctrl> is a number between
3379       0..127 defining the MIDI controller which can alter the effect send
3380       level and <name> is an optional argument defining a name for the
3381       effect send entity.  The name does not have to be unique.
3382    
3383       By default, that is as initial routing, the effect send's audio
3384       channels are automatically routed to the last audio channels of the
3385       sampler channel's audio output device, that way you can i.e. first
3386       increase the amount of audio channels on the audio output device for
3387       having dedicated effect send output channels and when "CREATE
3388       FX_SEND" is called, those channels will automatically be picked.  You
3389       can alter the destination channels however with "SET FX_SEND
3390       AUDIO_OUTPUT_CHANNEL" (Section 6.4.30).
3391    
3392       Note: Create effect sends on a sampler channel only when needed,
3393       because having effect sends on a sampler channel will decrease
3394       runtime performance, because for implementing channel effect sends,
3395       separate (sampler channel local) audio buffers are needed to render
3396       and mix the voices and route the audio signal afterwards to the
3397       master outputs and effect send outputs (along with their respective
3398       effect send levels).  A sampler channel without effect sends however
3399       can mix its voices directly into the audio output devices's audio
3400       buffers and is thus faster.
3401    
3402       Possible Answers:
3403    
3404          "OK[<fx-send-id>]" -
3405    
3406             in case a new effect send could be added to the sampler
3407             channel, where <fx-send-id> reflects the unique ID of the newly
3408             created effect send entity
3409    
3410    
3411    
3412    
3413    
3414    
3415    Schoenebeck               Expires July 2, 2007                 [Page 61]
3416    
3417    Internet-Draft        LinuxSampler Control Protocol        December 2006
3418    
3419    
3420          "ERR:<error-code>:<error-message>" -
3421    
3422             when a new effect send could not be added, i.e. due to invalid
3423             parameters
3424    
3425       Examples:
3426    
3427          C: "CREATE FX_SEND 0 91 'Reverb Send'"
3428    
3429          S: "OK[0]"
3430    
3431          C: "CREATE FX_SEND 0 93"
3432    
3433          S: "OK[1]"
3434    
3435    6.4.26.  Removing an effect send from a sampler channel
3436    
3437       The front-end can remove an existing effect send on a specific
3438       sampler channel by sending the following command:
3439    
3440          DESTROY FX_SEND <sampler-channel> <fx-send-id>
3441    
3442       Where <sampler-channel> is the respective sampler channel number as
3443       returned by the "ADD CHANNEL" (Section 6.4.5) or "LIST CHANNELS"
3444       (Section 6.4.4) command, that is the sampler channel from which the
3445       effect send should be removed from and <fx-send-id> is the respective
3446       effect send number as returned by the "CREATE FX_SEND"
3447       (Section 6.4.25) or "LIST FX_SENDS" (Section 6.4.28) command.
3448    
3449       Possible Answers:
3450    
3451          "OK" -
3452    
3453             on success
3454    
3455          "ERR:<error-code>:<error-message>" -
3456    
3457             in case it failed, providing an appropriate error code and
3458             error message
3459    
3460       Example:
3461    
3462          C: "DESTROY FX_SEND 0 0"
3463    
3464          S: "OK"
3465    
3466    
3467    
3468    
3469    
3470    
3471    Schoenebeck               Expires July 2, 2007                 [Page 62]
3472    
3473    Internet-Draft        LinuxSampler Control Protocol        December 2006
3474    
3475    
3476    6.4.27.  Getting amount of effect sends on a sampler channel
3477    
3478       The front-end can ask for the amount of effect sends on a specific
3479       sampler channel by sending the following command:
3480    
3481          GET FX_SENDS <sampler-channel>
3482    
3483       Where <sampler-channel> is the respective sampler channel number as
3484       returned by the "ADD CHANNEL" (Section 6.4.5) or "LIST CHANNELS"
3485       (Section 6.4.4) command.
3486    
3487       Possible Answers:
3488    
3489          The sampler will answer by returning the number of effect sends on
3490          the given sampler channel.
3491    
3492       Example:
3493    
3494          C: "GET FX_SENDS 0"
3495    
3496          S: "2"
3497    
3498    6.4.28.  Listing all effect sends on a sampler channel
3499    
3500       The front-end can ask for a list of effect sends on a specific
3501       sampler channel by sending the following command:
3502    
3503          LIST FX_SENDS <sampler-channel>
3504    
3505       Where <sampler-channel> is the respective sampler channel number as
3506       returned by the "ADD CHANNEL" (Section 6.4.5) or "LIST CHANNELS"
3507       (Section 6.4.4) command.
3508    
3509       Possible Answers:
3510    
3511          The sampler will answer by returning a comma separated list with
3512          all effect sends' numerical IDs on the given sampler channel.
3513    
3514       Examples:
3515    
3516          C: "LIST FX_SENDS 0"
3517    
3518          S: "0,1"
3519    
3520          C: "LIST FX_SENDS 1"
3521    
3522          S: ""
3523    
3524    
3525    
3526    
3527    Schoenebeck               Expires July 2, 2007                 [Page 63]
3528    
3529    Internet-Draft        LinuxSampler Control Protocol        December 2006
3530    
3531    
3532    6.4.29.  Getting effect send information
3533    
3534       The front-end can ask for the current settings of an effect send
3535       entity by sending the following command:
3536    
3537          GET FX_SEND INFO <sampler-channel> <fx-send-id>
3538    
3539       Where <sampler-channel> is the sampler channel number as returned by
3540       the "ADD CHANNEL" (Section 6.4.5) or "LIST CHANNELS" (Section 6.4.4)
3541       command and <fx-send-id> reflects the numerical ID of the effect send
3542       entity as returned by the "CREATE FX_SEND" (Section 6.4.25) or "LIST
3543       FX_SENDS" (Section 6.4.28) command.
3544    
3545       Possible Answers:
3546    
3547          The sampler will answer by sending a <CRLF> separated list.  Each
3548          answer line begins with the settings category name followed by a
3549          colon and then a space character <SP> and finally the info
3550          character string to that setting category.  At the moment the
3551          following categories are defined:
3552    
3553    
3554    
3555             NAME -
3556    
3557                name of the effect send entity
3558    
3559             AUDIO_OUTPUT_ROUTING -
3560    
3561                comma separated list which reflects to which audio channel
3562                of the selected audio output device each effect send output
3563                channel is routed to, e.g. "0,3" would mean the effect
3564                send's output channel 0 is routed to channel 0 of the audio
3565                output device and the effect send's output channel 1 is
3566                routed to the channel 3 of the audio output device (see "SET
3567                FX_SEND AUDIO_OUTPUT_CHANNEL" (Section 6.4.30) for details)
3568    
3569       The mentioned fields above don't have to be in particular order.
3570    
3571       Example:
3572    
3573          C: "GET FX_SEND INFO 0 0"
3574    
3575          S: "NAME: Reverb Send"
3576    
3577             "AUDIO_OUTPUT_ROUTING: 2,3"
3578    
3579    
3580    
3581    
3582    
3583    Schoenebeck               Expires July 2, 2007                 [Page 64]
3584    
3585    Internet-Draft        LinuxSampler Control Protocol        December 2006
3586    
3587    
3588             "."
3589    
3590    6.4.30.  Altering effect send's audio routing
3591    
3592       The front-end can alter the destination of an effect send's audio
3593       channel on a specific sampler channel by sending the following
3594       command:
3595    
3596          SET FX_SEND AUDIO_OUTPUT_CHANNEL <sampler-chan> <fx-send-id>
3597          <audio-src> <audio-dst>
3598    
3599       Where <sampler-chan> is the sampler channel number as returned by the
3600       "ADD CHANNEL" (Section 6.4.5) or "LIST CHANNELS" (Section 6.4.4)
3601       command, <fx-send-id> reflects the numerical ID of the effect send
3602       entity as returned by the "CREATE FX_SEND" (Section 6.4.25) or "LIST
3603       FX_SENDS" (Section 6.4.28) command, <audio-src> is the numerical ID
3604       of the effect send's audio channel which should be rerouted and
3605       <audio-dst> is the numerical ID of the audio channel of the selected
3606       audio output device where <audio-src> should be routed to.
3607    
3608       Note that effect sends can only route audio to the same audio output
3609       device as assigned to the effect send's sampler channel.  Also note
3610       that an effect send entity does always have exactly as much audio
3611       channels as its sampler channel.  So if the sampler channel is
3612       stereo, the effect send does have two audio channels as well.  Also
3613       keep in mind that the amount of audio channels on a sampler channel
3614       might be dependant not only to the deployed sampler engine on the
3615       sampler channel, but also dependant to the instrument currently
3616       loaded.  However you can (effectively) turn an i.e. stereo effect
3617       send into a mono one by simply altering its audio routing
3618       appropriately.
3619    
3620     Possible Answers:     Possible Answers:
3621    
# Line 3260  Internet-Draft        LinuxSampler Contr Line 3625  Internet-Draft        LinuxSampler Contr
3625    
3626        "WRN:<warning-code>:<warning-message>" -        "WRN:<warning-code>:<warning-message>" -
3627    
3628           if the channel was soloed/unsoloed, but there are noteworthy           if audio output channel was set, but there are noteworthy
3629           issue(s) related, providing an appropriate warning code and           issue(s) related, providing an appropriate warning code and
3630           warning message           warning message
3631    
# Line 3269  Internet-Draft        LinuxSampler Contr Line 3634  Internet-Draft        LinuxSampler Contr
3634           in case it failed, providing an appropriate error code and           in case it failed, providing an appropriate error code and
3635           error message           error message
3636    
    Examples:  
3637    
3638    
3639    Schoenebeck               Expires July 2, 2007                 [Page 65]
3640    
3641    Internet-Draft        LinuxSampler Control Protocol        December 2006
3642    
3643    
3644       Example:
3645    
3646          C: "SET FX_SEND AUDIO_OUTPUT_CHANNEL 0 0 0 2"
3647    
3648          S: "OK"
3649    
3650  6.4.24  Resetting a sampler channel  6.4.31.  Resetting a sampler channel
3651    
3652     The front-end can reset a particular sampler channel by sending the     The front-end can reset a particular sampler channel by sending the
3653     following command:     following command:
# Line 3298  Internet-Draft        LinuxSampler Contr Line 3671  Internet-Draft        LinuxSampler Contr
3671           related, providing an appropriate warning code and warning           related, providing an appropriate warning code and warning
3672           message           message
3673    
   
   
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3674        "ERR:<error-code>:<error-message>" -        "ERR:<error-code>:<error-message>" -
3675    
3676           in case it failed, providing an appropriate error code and           in case it failed, providing an appropriate error code and
# Line 3314  Internet-Draft        LinuxSampler Contr Line 3680  Internet-Draft        LinuxSampler Contr
3680    
3681    
3682    
3683    6.5.  Controlling connection
 6.5  Controlling connection  
3684    
3685     The following commands are used to control the connection to     The following commands are used to control the connection to
3686     LinuxSampler.     LinuxSampler.
3687    
3688  6.5.1  Register front-end for receiving event messages  6.5.1.  Register front-end for receiving event messages
3689    
3690     The front-end can register itself to the LinuxSampler application to     The front-end can register itself to the LinuxSampler application to
3691     be informed about noteworthy events by sending this command:     be informed about noteworthy events by sending this command:
3692    
3693    
3694    
3695    Schoenebeck               Expires July 2, 2007                 [Page 66]
3696    
3697    Internet-Draft        LinuxSampler Control Protocol        December 2006
3698    
3699    
3700        SUBSCRIBE <event-id>        SUBSCRIBE <event-id>
3701    
3702     where <event-id> will be replaced by the respective event that client     where <event-id> will be replaced by the respective event that client
# Line 3351  Internet-Draft        LinuxSampler Contr Line 3723  Internet-Draft        LinuxSampler Contr
3723    
3724    
3725    
3726    6.5.2.  Unregister front-end for not receiving event messages
   
   
   
   
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 6.5.2  Unregister front-end for not receiving event messages  
3727    
3728     The front-end can unregister itself if it doesn't want to receive     The front-end can unregister itself if it doesn't want to receive
3729     event messages anymore by sending the following command:     event messages anymore by sending the following command:
# Line 3383  Internet-Draft        LinuxSampler Contr Line 3745  Internet-Draft        LinuxSampler Contr
3745           related, providing an appropriate warning code and warning           related, providing an appropriate warning code and warning
3746           message           message
3747    
3748    
3749    
3750    
3751    Schoenebeck               Expires July 2, 2007                 [Page 67]
3752    
3753    Internet-Draft        LinuxSampler Control Protocol        December 2006
3754    
3755    
3756        "ERR:<error-code>:<error-message>" -        "ERR:<error-code>:<error-message>" -
3757    
3758           in case it failed, providing an appropriate error code and           in case it failed, providing an appropriate error code and
# Line 3392  Internet-Draft        LinuxSampler Contr Line 3762  Internet-Draft        LinuxSampler Contr
3762    
3763    
3764    
3765    6.5.3.  Enable or disable echo of commands
 6.5.3  Enable or disable echo of commands  
3766    
3767     To enable or disable back sending of commands to the client the     To enable or disable back sending of commands to the client the
3768     following command can be used:     following command can be used:
# Line 3409  Internet-Draft        LinuxSampler Contr Line 3778  Internet-Draft        LinuxSampler Contr
3778    
3779     Possible Answers:     Possible Answers:
3780    
   
   
   
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3781        "OK" -        "OK" -
3782    
3783           usually           usually
# Line 3429  Internet-Draft        LinuxSampler Contr Line 3790  Internet-Draft        LinuxSampler Contr
3790    
3791    
3792    
3793    6.5.4.  Close client connection
 6.5.4  Close client connection  
3794    
3795     The client can close its network connection to LinuxSampler by     The client can close its network connection to LinuxSampler by
3796     sending the following command:     sending the following command:
# Line 3440  Internet-Draft        LinuxSampler Contr Line 3800  Internet-Draft        LinuxSampler Contr
3800     This is probably more interesting for manual telnet connections to     This is probably more interesting for manual telnet connections to
3801     LinuxSampler than really useful for a front-end implementation.     LinuxSampler than really useful for a front-end implementation.
3802    
3803  6.6  Global commands  
3804    
3805    
3806    
3807    Schoenebeck               Expires July 2, 2007                 [Page 68]
3808    
3809    Internet-Draft        LinuxSampler Control Protocol        December 2006
3810    
3811    
3812    6.6.  Global commands
3813    
3814     The following commands have global impact on the sampler.     The following commands have global impact on the sampler.
3815    
3816  6.6.1  Reset sampler  6.6.1.  Current number of active voices
3817    
3818       The front-end can ask for the current number of active voices on the
3819       sampler by sending the following command:
3820    
3821          GET TOTAL_VOICE_COUNT
3822    
3823       Possible Answers:
3824    
3825          LinuxSampler will answer by returning the number of all active
3826          voices on the sampler.
3827    
3828    6.6.2.  Maximum amount of active voices
3829    
3830       The front-end can ask for the maximum number of active voices by
3831       sending the following command:
3832    
3833          GET TOTAL_VOICE_COUNT_MAX
3834    
3835       Possible Answers:
3836    
3837          LinuxSampler will answer by returning the maximum number of active
3838          voices.
3839    
3840    6.6.3.  Reset sampler
3841    
3842     The front-end can reset the whole sampler by sending the following     The front-end can reset the whole sampler by sending the following
3843     command:     command:
# Line 3462  Internet-Draft        LinuxSampler Contr Line 3855  Internet-Draft        LinuxSampler Contr
3855    
3856    
3857    
 6.6.2  General sampler informations  
3858    
    The client can ask for general informations about the LinuxSampler  
3859    
3860    
3861    
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3862    
3863  Internet-Draft        LinuxSampler Control Protocol            July 2005  Schoenebeck               Expires July 2, 2007                 [Page 69]
3864    
3865    Internet-Draft        LinuxSampler Control Protocol        December 2006
3866    
3867    
3868    6.6.4.  General sampler informations
3869    
3870       The client can ask for general informations about the LinuxSampler
3871     instance by sending the following command:     instance by sending the following command:
3872    
3873        GET SERVER INFO        GET SERVER INFO
# Line 3503  Internet-Draft        LinuxSampler Contr Line 3898  Internet-Draft        LinuxSampler Contr
3898     The mentioned fields above don't have to be in particular order.     The mentioned fields above don't have to be in particular order.
3899     Other fields might be added in future.     Other fields might be added in future.
3900    
3901    6.6.5.  Getting global volume attenuation
3902    
3903       The client can ask for the current global sampler-wide volume
3904       attenuation by sending the following command:
3905    
3906          GET VOLUME
3907    
3908       Possible Answers:
3909    
3910          The sampler will always answer by returning the optional dotted
3911          floating point coefficient, reflecting the current global volume
3912          attenuation.
3913    
3914       Note: it is up to the respective sampler engine whether to obey that
3915       global volume parameter or not, but in general all engines SHOULD use
3916    
3917    
3918    
3919    Schoenebeck               Expires July 2, 2007                 [Page 70]
3920    
3921    Internet-Draft        LinuxSampler Control Protocol        December 2006
3922    
3923    
3924       this parameter.
3925    
3926    6.6.6.  Setting global volume attenuation
3927    
3928       The client can alter the current global sampler-wide volume
3929       attenuation by sending the following command:
3930    
3931          SET VOLUME <volume>
3932    
3933       Where <volume> should be replaced by the optional dotted floating
3934       point value, reflecting the new global volume parameter.  This value
3935       might usually be in the range between 0.0 and 1.0, that is for
3936       attenuating the overall volume.
3937    
3938       Possible Answers:
3939    
3940          "OK" -
3941    
3942             on success
3943    
3944          "WRN:<warning-code>:<warning-message>" -
3945    
3946             if the global volume was set, but there are noteworthy issue(s)
3947             related, providing an appropriate warning code and warning
3948             message
3949    
3950          "ERR:<error-code>:<error-message>" -
3951    
3952             in case it failed, providing an appropriate error code and
3953             error message
3954    
3955    6.7.  MIDI Instrument Mapping
3956    
3957       The MIDI protocol provides a way to switch between instruments by
3958       sending so called MIDI bank select and MIDI program change messages
3959       which are essentially just numbers.  The following commands allow to
3960       actually map arbitrary MIDI bank select / program change numbers with
3961       real instruments.
3962    
3963       The sampler allows to manage an arbitrary amount of MIDI instrument
3964       maps which define which instrument to load on which MIDI program
3965       change message.
3966    
3967       By default, that is when the sampler is launched, there is no map,
3968       thus the sampler will simply ignore all program change messages.  The
3969       front-end has to explicitly create at least one map, add entries to
3970       the map and tell the respective sampler channel(s) which MIDI
3971       instrument map to use, so the sampler knows how to react on a given
3972    
3973    
3974    
3975    Schoenebeck               Expires July 2, 2007                 [Page 71]
3976    
3977    Internet-Draft        LinuxSampler Control Protocol        December 2006
3978    
3979    
3980       program change message on the respective sampler channel, that is by
3981       switching to the respectively defined engine type and loading the
3982       respective instrument.  See command "SET CHANNEL MIDI_INSTRUMENT_MAP"
3983       (Section 6.4.24) for how to assign a MIDI instrument map to a sampler
3984       channel.
3985    
3986       Also note per MIDI specification a bank select message does not cause
3987       to switch to another instrument.  Instead when receiving a bank
3988       select message the bank value will be stored and a subsequent program
3989       change message (which may occur at any time) will finally cause the
3990       sampler to switch to the respective instrument as reflected by the
3991       current MIDI instrument map.
3992    
3993    6.7.1.  Create a new MIDI instrument map
3994    
3995       The front-end can add a new MIDI instrument map by sending the
3996       following command:
3997    
3998          ADD MIDI_INSTRUMENT_MAP [<name>]
3999    
4000       Where <name> is an optional argument allowing to assign a custom name
4001       to the new map.  MIDI instrument Map names do not have to be unique.
4002    
4003       Possible Answers:
4004    
4005          "OK[<map>]" -
4006    
4007             in case a new MIDI instrument map could be added, where <map>
4008             reflects the unique ID of the newly created MIDI instrument map
4009    
4010          "ERR:<error-code>:<error-message>" -
4011    
4012             when a new map could not be created, which might never occur in
4013             practice
4014    
4015       Examples:
4016    
4017          C: "ADD MIDI_INSTRUMENT_MAP 'Standard Map'"
4018    
4019          S: "OK[0]"
4020    
4021          C: "ADD MIDI_INSTRUMENT_MAP 'Standard Drumkit'"
4022    
4023          S: "OK[1]"
4024    
4025          C: "ADD MIDI_INSTRUMENT_MAP"
4026    
4027    
4028    
4029    
4030    
4031    Schoenebeck               Expires July 2, 2007                 [Page 72]
4032    
4033    Internet-Draft        LinuxSampler Control Protocol        December 2006
4034    
4035    
4036          S: "OK[5]"
4037    
4038    6.7.2.  Delete one particular or all MIDI instrument maps
4039    
4040       The front-end can delete a particular MIDI instrument map by sending
4041       the following command:
4042    
4043          REMOVE MIDI_INSTRUMENT_MAP <map>
4044    
4045       Where <map> reflects the unique ID of the map to delete as returned
4046       by the "LIST MIDI_INSTRUMENT_MAPS" (Section 6.7.4) command.
4047    
4048       The front-end can delete all MIDI instrument maps by sending the
4049       following command:
4050    
4051          REMOVE MIDI_INSTRUMENT_MAP ALL
4052    
4053       Possible Answers:
4054    
4055          "OK" -
4056    
4057             in case the map(s) could be deleted
4058    
4059          "ERR:<error-code>:<error-message>" -
4060    
4061             when the given map does not exist
4062    
4063       Examples:
4064    
4065          C: "REMOVE MIDI_INSTRUMENT_MAP 0"
4066    
4067          S: "OK"
4068    
4069          C: "REMOVE MIDI_INSTRUMENT_MAP ALL"
4070    
4071          S: "OK"
4072    
4073    6.7.3.  Get amount of existing MIDI instrument maps
4074    
4075       The front-end can retrieve the current amount of MIDI instrument maps
4076       by sending the following command:
4077    
4078          GET MIDI_INSTRUMENT_MAPS
4079    
4080       Possible Answers:
4081    
4082    
4083    
4084    
4085    
4086    
4087    Schoenebeck               Expires July 2, 2007                 [Page 73]
4088    
4089    Internet-Draft        LinuxSampler Control Protocol        December 2006
4090    
4091    
4092          The sampler will answer by returning the current number of MIDI
4093          instrument maps.
4094    
4095       Example:
4096    
4097          C: "GET MIDI_INSTRUMENT_MAPS"
4098    
4099          S: "2"
4100    
4101    6.7.4.  Getting all created MIDI instrument maps
4102    
4103       The number of MIDI instrument maps can change on runtime.  To get the
4104       current list of MIDI instrument maps, the front-end can send the
4105       following command:
4106    
4107          LIST MIDI_INSTRUMENT_MAPS
4108    
4109       Possible Answers:
4110    
4111          The sampler will answer by returning a comma separated list with
4112          all MIDI instrument maps' numerical IDs.
4113    
4114       Example:
4115    
4116          C: "LIST MIDI_INSTRUMENT_MAPS"
4117    
4118          S: "0,1,5,12"
4119    
4120    6.7.5.  Getting MIDI instrument map information
4121    
4122       The front-end can ask for the current settings of a MIDI instrument
4123       map by sending the following command:
4124    
4125          GET MIDI_INSTRUMENT_MAP INFO <map>
4126    
4127       Where <map> is the numerical ID of the map the front-end is
4128       interested in as returned by the "LIST MIDI_INSTRUMENT_MAPS"
4129       (Section 6.7.4) command.
4130    
4131       Possible Answers:
4132    
4133          LinuxSampler will answer by sending a <CRLF> separated list.  Each
4134          answer line begins with the settings category name followed by a
4135          colon and then a space character <SP> and finally the info
4136          character string to that setting category.  At the moment the
4137          following categories are defined:
4138    
4139    
4140    
4141    
4142    
4143    Schoenebeck               Expires July 2, 2007                 [Page 74]
4144    
4145    Internet-Draft        LinuxSampler Control Protocol        December 2006
4146    
4147    
4148    
4149    
4150             NAME -
4151    
4152                custom name of the given map, which does not have to be
4153                unique
4154    
4155       The mentioned fields above don't have to be in particular order.
4156    
4157       Example:
4158    
4159          C: "GET MIDI_INSTRUMENT_MAP INFO 0"
4160    
4161          S: "NAME: Standard Map"
4162    
4163             "."
4164    
4165    6.7.6.  Renaming a MIDI instrument map
4166    
4167       The front-end can alter the custom name of a MIDI instrument map by
4168       sending the following command:
4169    
4170          SET MIDI_INSTRUMENT_MAP NAME <map> <name>
4171    
4172  Schoenebeck             Expires January 22, 2006               [Page 63]     Where <map> is the numerical ID of the map and <name> the new custom
4173       name of the map, which does not have to be unique.
4174    
4175  Internet-Draft        LinuxSampler Control Protocol            July 2005     Possible Answers:
4176    
4177          "OK" -
4178    
4179             on success
4180    
4181          "ERR:<error-code>:<error-message>" -
4182    
4183             in case the given map does not exist
4184    
4185       Example:
4186    
4187          C: "SET MIDI_INSTRUMENT_MAP NAME 0 'Foo instruments'"
4188    
4189          S: "OK"
4190    
4191    6.7.7.  Create or replace a MIDI instrument map entry
4192    
4193       The front-end can create a new or replace an existing entry in a
4194       sampler's MIDI instrument map by sending the following command:
4195    
4196    
4197    
4198    
4199    Schoenebeck               Expires July 2, 2007                 [Page 75]
4200    
4201    Internet-Draft        LinuxSampler Control Protocol        December 2006
4202    
4203    
4204          MAP MIDI_INSTRUMENT <map> <midi_bank> <midi_prog> <engine_name>
4205          <filename> <instrument_index> <volume_value> [<instr_load_mode>]
4206          [<name>]
4207    
4208       Where <map> is the numeric ID of the map to alter, <midi_bank> is an
4209       integer value between 0..16383 reflecting the MIDI bank select index,
4210       <midi_prog> an integer value between 0..127 reflecting the MIDI
4211       program change index, <engine_name> a sampler engine name as returned
4212       by the "LIST AVAILABLE_ENGINES" (Section 6.4.8) command (not
4213       encapsulated into apostrophes), <filename> the name of the
4214       instrument's file to be deployed (encapsulated into apostrophes),
4215       <instrument_index> the index (integer value) of the instrument within
4216       the given file, <volume_value> reflects the master volume of the
4217       instrument as optionally dotted number (where a value < 1.0 means
4218       attenuation and a value > 1.0 means amplification).  This parameter
4219       easily allows to adjust the volume of all intruments within a custom
4220       instrument map without having to adjust their instrument files.  The
4221       OPTIONAL <instr_load_mode> argument defines the life time of the
4222       instrument, that is when the instrument should be loaded, when freed
4223       and has exactly the following possibilities:
4224    
4225          "ON_DEMAND" -
4226    
4227             The instrument will be loaded when needed, that is when
4228             demanded by at least one sampler channel.  It will immediately
4229             be freed from memory when not needed by any sampler channel
4230             anymore.
4231    
4232          "ON_DEMAND_HOLD" -
4233    
4234             The instrument will be loaded when needed, that is when
4235             demanded by at least one sampler channel.  It will be kept in
4236             memory even when not needed by any sampler channel anymore.
4237             Instruments with this mode are only freed when the sampler is
4238             reset or all mapping entries with this mode (and respective
4239             instrument) are explicitly changed to "ON_DEMAND" and no
4240             sampler channel is using the instrument anymore.
4241    
4242          "PERSISTENT" -
4243    
4244             The instrument will immediately be loaded into memory in the
4245             background when this mapping command is sent and the instrument
4246             is kept all the time.  Instruments with this mode are only
4247             freed when the sampler is reset or all mapping entries with
4248             this mode (and respective instrument) are explicitly changed to
4249             "ON_DEMAND" and no sampler channel is using the instrument
4250             anymore.
4251    
4252    
4253    
4254    
4255    Schoenebeck               Expires July 2, 2007                 [Page 76]
4256    
4257    Internet-Draft        LinuxSampler Control Protocol        December 2006
4258    
4259    
4260          not supplied -
4261    
4262             In case there is no <instr_load_mode> argument given, it will
4263             be up to the InstrumentManager to decide which mode to use.
4264             Usually it will use "ON_DEMAND" if an entry for the given
4265             instrument does not exist in the InstrumentManager's list yet,
4266             otherwise if an entry already exists, it will simply stick with
4267             the mode currently reflected by the already existing entry,
4268             that is it will not change the mode.
4269    
4270       The <instr_load_mode> argument thus allows to define an appropriate
4271       strategy (low memory consumption vs. fast instrument switching) for
4272       each instrument individually.  Note, the following restrictions apply
4273       to this argument: "ON_DEMAND_HOLD" and "PERSISTENT" have to be
4274       supported by the respective sampler engine (which is technically the
4275       case when the engine provides an InstrumentManager for its format).
4276       If this is not the case the argument will automatically fall back to
4277       the default value "ON_DEMAND".  Also the load mode of one instrument
4278       may automatically change the laod mode of other instrument(s), i.e.
4279       because the instruments are part of the same file and the engine does
4280       not allow a way to manage load modes for them individually.  Due to
4281       this, in case the frontend shows the load modes of entries, the
4282       frontend should retrieve the actual mode by i.e. sending "GET
4283       MIDI_INSTRUMENT INFO" (Section 6.7.11) command(s).  Finally the
4284       OPTIONAL <name> argument allows to set a custom name (encapsulated
4285       into apostrophes) for the mapping entry, useful for frontends for
4286       displaying an appropriate name for mapped instruments (using "GET
4287       MIDI_INSTRUMENT INFO" (Section 6.7.11)).
4288    
4289       The "MAP MIDI_INSTRUMENT" command will immediately return, thus it
4290       will not block when an instrument is to be loaded due to a
4291       "PERSISTENT" type entry as instruments are loaded in the background.
4292       As a consequence this command may not necessarily return an error
4293       i.e. when the given instrument file does not exist or may turn out to
4294       be corrupt.
4295    
4296       Possible Answers:
4297    
4298          "OK" -
4299    
4300             usually
4301    
4302          "ERR:<error-code>:<error-message>" -
4303    
4304             when the given map or engine does not exist or a value is out
4305             of range
4306    
4307       Examples:
4308    
4309    
4310    
4311    Schoenebeck               Expires July 2, 2007                 [Page 77]
4312    
4313    Internet-Draft        LinuxSampler Control Protocol        December 2006
4314    
4315    
4316          C: "MAP MIDI_INSTRUMENT 0 3 0 gig '/usr/share/Steinway D.gig' 0
4317          0.8 PERSISTENT"
4318    
4319          S: "OK"
4320    
4321          C: "MAP MIDI_INSTRUMENT 0 4 50 gig '/home/john/foostrings.gig' 7
4322          1.0"
4323    
4324          S: "OK"
4325    
4326          C: "MAP MIDI_INSTRUMENT 0 0 0 gig '/usr/share/piano.gig' 0 1.0
4327          'Normal Piano'"
4328    
4329          S: "OK"
4330    
4331          C: "MAP MIDI_INSTRUMENT 0 1 0 gig '/usr/share/piano.gig' 0 0.25
4332          'Silent Piano'"
4333    
4334          S: "OK"
4335    
4336          C: "MAP MIDI_INSTRUMENT 1 8 120 gig '/home/joe/foodrums.gig' 0 1.0
4337          PERSISTENT 'Foo Drumkit'"
4338    
4339          S: "OK"
4340    
4341    6.7.8.  Getting ammount of MIDI instrument map entries
4342    
4343       The front-end can query the amount of currently existing entries in a
4344       MIDI instrument map by sending the following command:
4345    
4346          GET MIDI_INSTRUMENTS <map>
4347    
4348       The front-end can query the amount of currently existing entries in
4349       all MIDI instrument maps by sending the following command:
4350    
4351          GET MIDI_INSTRUMENTS ALL
4352    
4353       Possible Answers:
4354    
4355          The sampler will answer by sending the current number of entries
4356          in the MIDI instrument map(s).
4357    
4358       Example:
4359    
4360          C: "GET MIDI_INSTRUMENTS 0"
4361    
4362          S: "234"
4363    
4364    
4365    
4366    
4367    Schoenebeck               Expires July 2, 2007                 [Page 78]
4368    
4369    Internet-Draft        LinuxSampler Control Protocol        December 2006
4370    
4371    
4372          C: "GET MIDI_INSTRUMENTS ALL"
4373    
4374          S: "954"
4375    
4376    6.7.9.  Getting indeces of all entries of a MIDI instrument map
4377    
4378       The front-end can query a list of all currently existing entries in a
4379       certain MIDI instrument map by sending the following command:
4380    
4381          LIST MIDI_INSTRUMENTS <map>
4382    
4383       Where <map> is the numeric ID of the MIDI instrument map.
4384    
4385       The front-end can query a list of all currently existing entries of
4386       all MIDI instrument maps by sending the following command:
4387    
4388          LIST MIDI_INSTRUMENTS ALL
4389    
4390       Possible Answers:
4391    
4392          The sampler will answer by sending a comma separated list of map
4393          ID - MIDI bank - MIDI program triples, where each triple is
4394          encapsulated into curly braces.  The list is returned in one
4395          single line.  Each triple just reflects the key of the respective
4396          map entry, thus subsequent "GET MIDI_INSTRUMENT INFO"
4397          (Section 6.7.11) command(s) are necessary to retrieve detailed
4398          informations about each entry.
4399    
4400       Example:
4401    
4402          C: "LIST MIDI_INSTRUMENTS 0"
4403    
4404          S: "{0,0,0},{0,0,1},{0,0,3},{0,1,4},{1,127,127}"
4405    
4406    6.7.10.  Remove an entry from the MIDI instrument map
4407    
4408       The front-end can delete an entry from a MIDI instrument map by
4409       sending the following command:
4410    
4411          UNMAP MIDI_INSTRUMENT <map> <midi_bank> <midi_prog>
4412    
4413       Where <map> is the numeric ID of the MIDI instrument map, <midi_bank>
4414       is an integer value between 0..16383 reflecting the MIDI bank value
4415       and <midi_prog> an integer value between 0..127 reflecting the MIDI
4416       program value of the map's entrie's key index triple.
4417    
4418       Possible Answers:
4419    
4420    
4421    
4422    
4423    Schoenebeck               Expires July 2, 2007                 [Page 79]
4424    
4425    Internet-Draft        LinuxSampler Control Protocol        December 2006
4426    
4427    
4428          "OK" -
4429    
4430             usually
4431    
4432          "ERR:<error-code>:<error-message>" -
4433    
4434             when index out of bounds
4435    
4436       Example:
4437    
4438          C: "UNMAP MIDI_INSTRUMENT 0 2 127"
4439    
4440          S: "OK"
4441    
4442    6.7.11.  Get current settings of MIDI instrument map entry
4443    
4444       The front-end can retrieve the current settings of a certain
4445       instrument map entry by sending the following command:
4446    
4447          GET MIDI_INSTRUMENT INFO <map> <midi_bank> <midi_prog>
4448    
4449       Where <map> is the numeric ID of the MIDI instrument map, <midi_bank>
4450       is an integer value between 0..16383 reflecting the MIDI bank value,
4451       <midi_bank> and <midi_prog> an integer value between 0..127
4452       reflecting the MIDI program value of the map's entrie's key index
4453       triple.
4454    
4455       Possible Answers:
4456    
4457          LinuxSampler will answer by sending a <CRLF> separated list.  Each
4458          answer line begins with the information category name followed by
4459          a colon and then a space character <SP> and finally the info
4460          character string to that info category.  At the moment the
4461          following categories are defined:
4462    
4463          "NAME" -
4464    
4465             Name for this MIDI instrument map entry (if defined).  This
4466             name shall be used by frontends for displaying a name for this
4467             mapped instrument.  It can be set and changed with the "MAP
4468             MIDI_INSTRUMENT" (Section 6.7.7) command and does not have to
4469             be unique.
4470    
4471          "ENGINE_NAME" -
4472    
4473             Name of the engine to be deployed for this instrument.
4474    
4475    
4476    
4477    
4478    
4479    Schoenebeck               Expires July 2, 2007                 [Page 80]
4480    
4481    Internet-Draft        LinuxSampler Control Protocol        December 2006
4482    
4483    
4484          "INSTRUMENT_FILE" -
4485    
4486             File name of the instrument.
4487    
4488          "INSTRUMENT_NR" -
4489    
4490             Index of the instrument within the file.
4491    
4492          "INSTRUMENT_NAME" -
4493    
4494             Name of the loaded instrument as reflected by its file.  In
4495             contrast to the "NAME" field, the "INSTRUMENT_NAME" field
4496             cannot be changed.
4497    
4498          "LOAD_MODE" -
4499    
4500             Life time of instrument (see "MAP MIDI_INSTRUMENT"
4501             (Section 6.7.7) for details about this setting).
4502    
4503          "VOLUME" -
4504    
4505             master volume of the instrument as optionally dotted number
4506             (where a value < 1.0 means attenuation and a value > 1.0 means
4507             amplification)
4508    
4509          The mentioned fields above don't have to be in particular order.
4510    
4511       Example:
4512    
4513          C: "GET MIDI_INSTRUMENT INFO 1 45 120"
4514    
4515          S: "NAME: Drums for Foo Song"
4516    
4517             "ENGINE_NAME: GigEngine"
4518    
4519             "INSTRUMENT_FILE: /usr/share/joesdrumkit.gig"
4520    
4521             "INSTRUMENT_NR: 0"
4522    
4523             "INSTRUMENT_NAME: Joe's Drumkit"
4524    
4525             "LOAD_MODE: PERSISTENT"
4526    
4527             "VOLUME: 1.0"
4528    
4529             "."
4530    
4531    
4532    
4533    
4534    
4535    Schoenebeck               Expires July 2, 2007                 [Page 81]
4536    
4537    Internet-Draft        LinuxSampler Control Protocol        December 2006
4538    
4539    
4540    6.7.12.  Clear MIDI instrument map
4541    
4542       The front-end can clear a whole MIDI instrument map, that is delete
4543       all its entries by sending the following command:
4544    
4545          CLEAR MIDI_INSTRUMENTS <map>
4546    
4547       Where <map> is the numeric ID of the map to clear.
4548    
4549       The front-end can clear all MIDI instrument maps, that is delete all
4550       entries of all maps by sending the following command:
4551    
4552          CLEAR MIDI_INSTRUMENTS ALL
4553    
4554       The command "CLEAR MIDI_INSTRUMENTS ALL" does not delete the maps,
4555       only their entries, thus the map's settings like custom name will be
4556       preservevd.
4557    
4558       Possible Answers:
4559    
4560          "OK" -
4561    
4562             always
4563    
4564       Examples:
4565    
4566          C: "CLEAR MIDI_INSTRUMENTS 0"
4567    
4568          S: "OK"
4569    
4570          C: "CLEAR MIDI_INSTRUMENTS ALL"
4571    
4572          S: "OK"
4573    
4574    
4575    
4576    
4577    
4578    
4579    
4580    
4581    
4582    
4583    
4584    
4585    
4586    
4587    
4588    
4589    
4590    
4591    Schoenebeck               Expires July 2, 2007                 [Page 82]
4592    
4593    Internet-Draft        LinuxSampler Control Protocol        December 2006
4594    
4595    
4596  7.  Command Syntax  7.  Command Syntax
# Line 3565  Internet-Draft        LinuxSampler Contr Line 4629  Internet-Draft        LinuxSampler Contr
4629    
4630     command =     command =
4631    
4632        ADD SP CHANNEL        ADD SP add_instruction
4633    
4634          / MAP SP map_instruction
4635    
4636          / UNMAP SP unmap_instruction
4637    
4638        / GET SP get_instruction        / GET SP get_instruction
4639    
# Line 3573  Internet-Draft        LinuxSampler Contr Line 4641  Internet-Draft        LinuxSampler Contr
4641    
4642        / DESTROY SP destroy_instruction        / DESTROY SP destroy_instruction
4643    
       / LIST SP list_instruction  
   
       / LOAD SP load_instruction  
4644    
4645    
4646    
4647    Schoenebeck               Expires July 2, 2007                 [Page 83]
4648    
4649    Internet-Draft        LinuxSampler Control Protocol        December 2006
4650    
 Schoenebeck             Expires January 22, 2006               [Page 64]  
4651    
4652  Internet-Draft        LinuxSampler Control Protocol            July 2005        / LIST SP list_instruction
4653    
4654          / LOAD SP load_instruction
4655    
4656        / REMOVE SP CHANNEL SP sampler_channel        / REMOVE SP remove_instruction
4657    
4658        / SET SP set_instruction        / SET SP set_instruction
4659    
# Line 3595  Internet-Draft        LinuxSampler Contr Line 4663  Internet-Draft        LinuxSampler Contr
4663    
4664        / SELECT SP text        / SELECT SP text
4665    
4666        / RESET SP CHANNEL SP sampler_channel        / RESET SP reset_instruction
4667    
4668          / CLEAR SP clear_instruction
4669    
4670        / RESET        / RESET
4671    
4672        / QUIT        / QUIT
4673    
4674       add_instruction =
4675    
4676          CHANNEL
4677    
4678          / MIDI_INSTRUMENT_MAP
4679    
4680          / MIDI_INSTRUMENT_MAP SP map_name
4681    
4682     subscribe_event =     subscribe_event =
4683    
4684        CHANNEL_COUNT        AUDIO_OUTPUT_DEVICE_COUNT
4685    
4686          / AUDIO_OUTPUT_DEVICE_INFO
4687    
4688          / MIDI_INPUT_DEVICE_COUNT
4689    
4690          / MIDI_INPUT_DEVICE_INFO
4691    
4692          / CHANNEL_COUNT
4693    
4694        / VOICE_COUNT        / VOICE_COUNT
4695    
# Line 3611  Internet-Draft        LinuxSampler Contr Line 4697  Internet-Draft        LinuxSampler Contr
4697    
4698        / BUFFER_FILL        / BUFFER_FILL
4699    
4700    
4701    
4702    
4703    Schoenebeck               Expires July 2, 2007                 [Page 84]
4704    
4705    Internet-Draft        LinuxSampler Control Protocol        December 2006
4706    
4707    
4708        / CHANNEL_INFO        / CHANNEL_INFO
4709    
4710          / MIDI_INSTRUMENT_MAP_COUNT
4711    
4712          / MIDI_INSTRUMENT_MAP_INFO
4713    
4714          / MIDI_INSTRUMENT_COUNT
4715    
4716          / MIDI_INSTRUMENT_INFO
4717    
4718        / MISCELLANEOUS        / MISCELLANEOUS
4719    
4720          / TOTAL_VOICE_COUNT
4721    
4722     unsubscribe_event =     unsubscribe_event =
4723    
4724        CHANNEL_COUNT        AUDIO_OUTPUT_DEVICE_COUNT
4725    
4726          / AUDIO_OUTPUT_DEVICE_INFO
4727    
4728          / MIDI_INPUT_DEVICE_COUNT
4729    
4730          / MIDI_INPUT_DEVICE_INFO
4731    
4732          / CHANNEL_COUNT
4733    
4734        / VOICE_COUNT        / VOICE_COUNT
4735    
# Line 3627  Internet-Draft        LinuxSampler Contr Line 4739  Internet-Draft        LinuxSampler Contr
4739    
4740        / CHANNEL_INFO        / CHANNEL_INFO
4741    
4742          / MIDI_INSTRUMENT_MAP_COUNT
4743    
4744          / MIDI_INSTRUMENT_MAP_INFO
4745    
4746          / MIDI_INSTRUMENT_COUNT
4747    
4748          / MIDI_INSTRUMENT_INFO
4749    
4750        / MISCELLANEOUS        / MISCELLANEOUS
4751    
4752     get_instruction =        / TOTAL_VOICE_COUNT
4753    
4754       map_instruction =
4755    
4756    
4757    
       AVAILABLE_ENGINES  
4758    
4759    Schoenebeck               Expires July 2, 2007                 [Page 85]
4760    
4761    Internet-Draft        LinuxSampler Control Protocol        December 2006
4762    
4763    
4764          MIDI_INSTRUMENT SP midi_map SP midi_bank SP midi_prog SP
4765          engine_name SP filename SP instrument_index SP volume_value
4766    
4767  Schoenebeck             Expires January 22, 2006               [Page 65]        / MIDI_INSTRUMENT SP midi_map SP midi_bank SP midi_prog SP
4768          engine_name SP filename SP instrument_index SP volume_value SP
4769          instr_load_mode
4770    
4771  Internet-Draft        LinuxSampler Control Protocol            July 2005        / MIDI_INSTRUMENT SP midi_map SP midi_bank SP midi_prog SP
4772          engine_name SP filename SP instrument_index SP volume_value SP
4773          entry_name
4774    
4775          / MIDI_INSTRUMENT SP midi_map SP midi_bank SP midi_prog SP
4776          engine_name SP filename SP instrument_index SP volume_value SP
4777          instr_load_mode SP entry_name
4778    
4779       unmap_instruction =
4780    
4781          MIDI_INSTRUMENT SP midi_map SP midi_bank SP midi_prog
4782    
4783       remove_instruction =
4784    
4785          CHANNEL SP sampler_channel
4786    
4787          / MIDI_INSTRUMENT_MAP SP midi_map
4788    
4789          / MIDI_INSTRUMENT_MAP SP ALL
4790    
4791       get_instruction =
4792    
4793          AVAILABLE_ENGINES
4794    
4795        / AVAILABLE_MIDI_INPUT_DRIVERS        / AVAILABLE_MIDI_INPUT_DRIVERS
4796    
# Line 3659  Internet-Draft        LinuxSampler Contr Line 4810  Internet-Draft        LinuxSampler Contr
4810        / AUDIO_OUTPUT_DRIVER_PARAMETER SP INFO SP string SP string SP        / AUDIO_OUTPUT_DRIVER_PARAMETER SP INFO SP string SP string SP
4811        key_val_list        key_val_list
4812    
4813    
4814    
4815    Schoenebeck               Expires July 2, 2007                 [Page 86]
4816    
4817    Internet-Draft        LinuxSampler Control Protocol        December 2006
4818    
4819    
4820        / AUDIO_OUTPUT_DEVICES        / AUDIO_OUTPUT_DEVICES
4821    
4822        / MIDI_INPUT_DEVICES        / MIDI_INPUT_DEVICES
# Line 3688  Internet-Draft        LinuxSampler Contr Line 4846  Internet-Draft        LinuxSampler Contr
4846    
4847        / ENGINE SP INFO SP engine_name        / ENGINE SP INFO SP engine_name
4848    
4849          / SERVER SP INFO
4850    
4851          / TOTAL_VOICE_COUNT
4852    
4853          / TOTAL_VOICE_COUNT_MAX
4854    
4855          / MIDI_INSTRUMENTS SP midi_map
4856    
4857  Schoenebeck             Expires January 22, 2006               [Page 66]        / MIDI_INSTRUMENTS SP ALL
4858    
4859  Internet-Draft        LinuxSampler Control Protocol            July 2005        / MIDI_INSTRUMENT SP INFO SP midi_map SP midi_bank SP midi_prog
4860    
4861          / MIDI_INSTRUMENT_MAPS
4862    
4863        / SERVER SP INFO        / MIDI_INSTRUMENT_MAP SP INFO SP midi_map
4864    
4865          / FX_SENDS SP sampler_channel
4866    
4867    
4868    
4869    
4870    
4871    Schoenebeck               Expires July 2, 2007                 [Page 87]
4872    
4873    Internet-Draft        LinuxSampler Control Protocol        December 2006
4874    
4875    
4876          / FX_SEND SP INFO SP sampler_channel SP fx_send_id
4877    
4878          / VOLUME
4879    
4880     set_instruction =     set_instruction =
4881    
# Line 3715  Internet-Draft        LinuxSampler Contr Line 4893  Internet-Draft        LinuxSampler Contr
4893    
4894        / CHANNEL SP set_chan_instruction        / CHANNEL SP set_chan_instruction
4895    
4896          / MIDI_INSTRUMENT_MAP SP NAME SP midi_map SP map_name
4897    
4898          / FX_SEND SP AUDIO_OUTPUT_CHANNEL SP sampler_channel SP fx_send_id
4899          SP audio_channel_index SP audio_channel_index
4900    
4901        / ECHO SP boolean        / ECHO SP boolean
4902    
4903          / VOLUME SP volume_value
4904    
4905     create_instruction =     create_instruction =
4906    
4907        AUDIO_OUTPUT_DEVICE SP string SP key_val_list        AUDIO_OUTPUT_DEVICE SP string SP key_val_list
# Line 3727  Internet-Draft        LinuxSampler Contr Line 4912  Internet-Draft        LinuxSampler Contr
4912    
4913        / MIDI_INPUT_DEVICE SP string        / MIDI_INPUT_DEVICE SP string
4914    
4915          / FX_SEND SP sampler_channel SP midi_ctrl
4916    
4917          / FX_SEND SP sampler_channel SP midi_ctrl SP fx_send_name
4918    
4919       reset_instruction =
4920    
4921          CHANNEL SP sampler_channel
4922    
4923       clear_instruction =
4924    
4925    
4926    
4927    Schoenebeck               Expires July 2, 2007                 [Page 88]
4928    
4929    Internet-Draft        LinuxSampler Control Protocol        December 2006
4930    
4931    
4932          MIDI_INSTRUMENTS SP midi_map
4933    
4934          / MIDI_INSTRUMENTS SP ALL
4935    
4936     destroy_instruction =     destroy_instruction =
4937    
4938        AUDIO_OUTPUT_DEVICE SP number        AUDIO_OUTPUT_DEVICE SP number
4939    
4940        / MIDI_INPUT_DEVICE SP number        / MIDI_INPUT_DEVICE SP number
4941    
4942          / FX_SEND SP sampler_channel SP fx_send_id
4943    
4944     load_instruction =     load_instruction =
4945    
4946        INSTRUMENT SP load_instr_args        INSTRUMENT SP load_instr_args
# Line 3746  Internet-Draft        LinuxSampler Contr Line 4954  Internet-Draft        LinuxSampler Contr
4954        / AUDIO_OUTPUT_CHANNEL SP sampler_channel SP audio_channel_index        / AUDIO_OUTPUT_CHANNEL SP sampler_channel SP audio_channel_index
4955        SP audio_channel_index        SP audio_channel_index
4956    
   
   
 Schoenebeck             Expires January 22, 2006               [Page 67]  
   
 Internet-Draft        LinuxSampler Control Protocol            July 2005  
   
   
4957        / AUDIO_OUTPUT_TYPE SP sampler_channel SP audio_output_type_name        / AUDIO_OUTPUT_TYPE SP sampler_channel SP audio_output_type_name
4958    
4959        / MIDI_INPUT SP sampler_channel SP device_index SP        / MIDI_INPUT SP sampler_channel SP device_index SP
# Line 3773  Internet-Draft        LinuxSampler Contr Line 4974  Internet-Draft        LinuxSampler Contr
4974    
4975        / SOLO SP sampler_channel SP boolean        / SOLO SP sampler_channel SP boolean
4976    
4977          / MIDI_INSTRUMENT_MAP SP sampler_channel SP midi_map
4978    
4979    
4980    
4981    
4982    
4983    Schoenebeck               Expires July 2, 2007                 [Page 89]
4984    
4985    Internet-Draft        LinuxSampler Control Protocol        December 2006
4986    
4987    
4988          / MIDI_INSTRUMENT_MAP SP sampler_channel SP NONE
4989    
4990          / MIDI_INSTRUMENT_MAP SP sampler_channel SP DEFAULT
4991    
4992     key_val_list =     key_val_list =
4993    
4994        string '=' param_val_list        string '=' param_val_list
# Line 3799  Internet-Draft        LinuxSampler Contr Line 5015  Internet-Draft        LinuxSampler Contr
5015    
5016        / AVAILABLE_AUDIO_OUTPUT_DRIVERS        / AVAILABLE_AUDIO_OUTPUT_DRIVERS
5017    
5018     load_instr_args =        / MIDI_INSTRUMENTS SP midi_map
   
5019    
5020          / MIDI_INSTRUMENTS SP ALL
5021    
5022          / MIDI_INSTRUMENT_MAPS
5023    
5024  Schoenebeck             Expires January 22, 2006               [Page 68]        / FX_SENDS SP sampler_channel
   
 Internet-Draft        LinuxSampler Control Protocol            July 2005  
5025    
5026       load_instr_args =
5027    
5028        filename SP instrument_index SP sampler_channel        filename SP instrument_index SP sampler_channel
5029    
# Line 3817  Internet-Draft        LinuxSampler Contr Line 5033  Internet-Draft        LinuxSampler Contr
5033    
5034        engine_name SP sampler_channel        engine_name SP sampler_channel
5035    
5036    
5037    
5038    
5039    Schoenebeck               Expires July 2, 2007                 [Page 90]
5040    
5041    Internet-Draft        LinuxSampler Control Protocol        December 2006
5042    
5043    
5044       instr_load_mode =
5045    
5046          ON_DEMAND
5047    
5048          / ON_DEMAND_HOLD
5049    
5050          / PERSISTENT
5051    
5052     device_index =     device_index =
5053    
5054        number        number
# Line 3843  Internet-Draft        LinuxSampler Contr Line 5075  Internet-Draft        LinuxSampler Contr
5075    
5076        string        string
5077    
5078       midi_map =
5079    
5080          number
5081    
5082       midi_bank =
5083    
5084          number
5085    
5086       midi_prog =
5087    
5088          number
5089    
5090       midi_ctrl =
5091    
5092    
5093    
5094    
5095    Schoenebeck               Expires July 2, 2007                 [Page 91]
5096    
5097    Internet-Draft        LinuxSampler Control Protocol        December 2006
5098    
5099    
5100          number
5101    
5102     volume_value =     volume_value =
5103    
5104        dotnum        dotnum
# Line 3857  Internet-Draft        LinuxSampler Contr Line 5113  Internet-Draft        LinuxSampler Contr
5113    
5114        number        number
5115    
5116       fx_send_id =
5117    
5118          number
5119    
5120       engine_name =
5121    
5122  Schoenebeck             Expires January 22, 2006               [Page 69]        string
5123    
5124  Internet-Draft        LinuxSampler Control Protocol            July 2005     filename =
5125    
5126          stringval
5127    
5128     engine_name =     map_name =
5129    
5130        string        stringval
5131    
5132     filename =     entry_name =
5133    
5134          stringval
5135    
5136       fx_send_name =
5137    
5138        stringval        stringval
5139    
# Line 3881  Internet-Draft        LinuxSampler Contr Line 5145  Internet-Draft        LinuxSampler Contr
5145    
5146     param_val =     param_val =
5147    
       string  
5148    
       / '\'' string '\''  
5149    
5150        / '\"' string '\"'  
5151    Schoenebeck               Expires July 2, 2007                 [Page 92]
5152    
5153    Internet-Draft        LinuxSampler Control Protocol        December 2006
5154    
5155    
5156          string
5157    
5158          / stringval
5159    
5160        / number        / number
5161    
# Line 3916  Internet-Draft        LinuxSampler Contr Line 5186  Internet-Draft        LinuxSampler Contr
5186    
5187    
5188    
 Schoenebeck             Expires January 22, 2006               [Page 70]  
5189    
5190  Internet-Draft        LinuxSampler Control Protocol            July 2005  
5191    
5192    
5193    
5194    
5195    
5196    
5197    
5198    
5199    
5200    
5201    
5202    
5203    
5204    
5205    
5206    
5207    Schoenebeck               Expires July 2, 2007                 [Page 93]
5208    
5209    Internet-Draft        LinuxSampler Control Protocol        December 2006
5210    
5211    
5212  8.  Events  8.  Events
# Line 3926  Internet-Draft        LinuxSampler Contr Line 5214  Internet-Draft        LinuxSampler Contr
5214     This chapter will describe all currently defined events supported by     This chapter will describe all currently defined events supported by
5215     LinuxSampler.     LinuxSampler.
5216    
5217  8.1  Number of sampler channels changed  8.1.  Number of audio output devices changed
5218    
5219       Client may want to be notified when the total number of audio output
5220       devices on the back-end changes by issuing the following command:
5221    
5222          SUBSCRIBE AUDIO_OUTPUT_DEVICE_COUNT
5223    
5224       Server will start sending the following notification messages:
5225    
5226          "NOTIFY:AUDIO_OUTPUT_DEVICE_COUNT:<devices>"
5227    
5228       where <devices> will be replaced by the new number of audio output
5229       devices.
5230    
5231    8.2.  Audio output device's settings changed
5232    
5233       Client may want to be notified when changes were made to audio output
5234       devices on the back-end by issuing the following command:
5235    
5236          SUBSCRIBE AUDIO_OUTPUT_DEVICE_INFO
5237    
5238       Server will start sending the following notification messages:
5239    
5240          "NOTIFY:AUDIO_OUTPUT_DEVICE_INFO:<device-id>"
5241    
5242       where <device-id> will be replaced by the numerical ID of the audio
5243       output device, which settings has been changed.  The front-end will
5244       have to send the respective command to actually get the audio output
5245       device info.  Because these messages will be triggered by LSCP
5246       commands issued by other clients rather than real time events
5247       happening on the server, it is believed that an empty notification
5248       message is sufficient here.
5249    
5250    8.3.  Number of MIDI input devices changed
5251    
5252       Client may want to be notified when the total number of MIDI input
5253       devices on the back-end changes by issuing the following command:
5254    
5255          SUBSCRIBE MIDI_INPUT_DEVICE_COUNT
5256    
5257       Server will start sending the following notification messages:
5258    
5259    
5260    
5261    
5262    
5263    Schoenebeck               Expires July 2, 2007                 [Page 94]
5264    
5265    Internet-Draft        LinuxSampler Control Protocol        December 2006
5266    
5267    
5268          "NOTIFY:MIDI_INPUT_DEVICE_COUNT:<devices>"
5269    
5270       where <devices> will be replaced by the new number of MIDI input
5271       devices.
5272    
5273    8.4.  MIDI input device's settings changed
5274    
5275       Client may want to be notified when changes were made to MIDI input
5276       devices on the back-end by issuing the following command:
5277    
5278          SUBSCRIBE MIDI_INPUT_DEVICE_INFO
5279    
5280       Server will start sending the following notification messages:
5281    
5282          "NOTIFY:MIDI_INPUT_DEVICE_INFO:<device-id>"
5283    
5284       where <device-id> will be replaced by the numerical ID of the MIDI
5285       input device, which settings has been changed.  The front-end will
5286       have to send the respective command to actually get the MIDI input
5287       device info.  Because these messages will be triggered by LSCP
5288       commands issued by other clients rather than real time events
5289       happening on the server, it is believed that an empty notification
5290       message is sufficient here.
5291    
5292    8.5.  Number of sampler channels changed
5293    
5294     Client may want to be notified when the total number of channels on     Client may want to be notified when the total number of channels on
5295     the back-end changes by issuing the following command:     the back-end changes by issuing the following command:
# Line 3940  Internet-Draft        LinuxSampler Contr Line 5303  Internet-Draft        LinuxSampler Contr
5303     where <channels> will be replaced by the new number of sampler     where <channels> will be replaced by the new number of sampler
5304     channels.     channels.
5305    
5306  8.2  Number of active voices changed  8.6.  Number of active voices changed
5307    
5308     Client may want to be notified when the number of voices on the back-     Client may want to be notified when the number of voices on the back-
5309     end changes by issuing the following command:     end changes by issuing the following command:
# Line 3949  Internet-Draft        LinuxSampler Contr Line 5312  Internet-Draft        LinuxSampler Contr
5312    
5313     Server will start sending the following notification messages:     Server will start sending the following notification messages:
5314    
5315    
5316    
5317    
5318    
5319    Schoenebeck               Expires July 2, 2007                 [Page 95]
5320    
5321    Internet-Draft        LinuxSampler Control Protocol        December 2006
5322    
5323    
5324        "NOTIFY:VOICE_COUNT:<sampler-channel> <voices>        "NOTIFY:VOICE_COUNT:<sampler-channel> <voices>
5325    
5326     where <sampler-channel> will be replaced by the sampler channel the     where <sampler-channel> will be replaced by the sampler channel the
5327     voice count change occurred and <voices> by the new number of active     voice count change occurred and <voices> by the new number of active
5328     voices on that channel.     voices on that channel.
5329    
5330  8.3  Number of active disk streams changed  8.7.  Number of active disk streams changed
5331    
5332     Client may want to be notified when the number of streams on the     Client may want to be notified when the number of streams on the
5333     back-end changes by issuing the following command: SUBSCRIBE     back-end changes by issuing the following command: SUBSCRIBE
# Line 3969  Internet-Draft        LinuxSampler Contr Line 5341  Internet-Draft        LinuxSampler Contr
5341    
5342     where <sampler-channel> will be replaced by the sampler channel the     where <sampler-channel> will be replaced by the sampler channel the
5343     stream count change occurred and <streams> by the new number of     stream count change occurred and <streams> by the new number of
   
   
   
 Schoenebeck             Expires January 22, 2006               [Page 71]  
   
 Internet-Draft        LinuxSampler Control Protocol            July 2005  
   
   
5344     active disk streams on that channel.     active disk streams on that channel.
5345    
5346  8.4  Disk stream buffer fill state changed  8.8.  Disk stream buffer fill state changed
5347    
5348     Client may want to be notified when the buffer fill state of a disk     Client may want to be notified when the buffer fill state of a disk
5349     stream on the back-end changes by issuing the following command:     stream on the back-end changes by issuing the following command:
# Line 3996  Internet-Draft        LinuxSampler Contr Line 5360  Internet-Draft        LinuxSampler Contr
5360     Section 6.4.13 as if the "GET CHANNEL BUFFER_FILL PERCENTAGE"     Section 6.4.13 as if the "GET CHANNEL BUFFER_FILL PERCENTAGE"
5361     (Section 6.4.13) command was issued on this channel.     (Section 6.4.13) command was issued on this channel.
5362    
5363  8.5  Channel information changed  8.9.  Channel information changed
5364    
5365     Client may want to be notified when changes were made to sampler     Client may want to be notified when changes were made to sampler
5366     channels on the back-end by issuing the following command:     channels on the back-end by issuing the following command:
# Line 4005  Internet-Draft        LinuxSampler Contr Line 5369  Internet-Draft        LinuxSampler Contr
5369    
5370     Server will start sending the following notification messages:     Server will start sending the following notification messages:
5371    
5372    
5373    
5374    
5375    Schoenebeck               Expires July 2, 2007                 [Page 96]
5376    
5377    Internet-Draft        LinuxSampler Control Protocol        December 2006
5378    
5379    
5380        "NOTIFY:CHANNEL_INFO:<sampler-channel>"        "NOTIFY:CHANNEL_INFO:<sampler-channel>"
5381    
5382     where <sampler-channel> will be replaced by the sampler channel the     where <sampler-channel> will be replaced by the sampler channel the
# Line 4014  Internet-Draft        LinuxSampler Contr Line 5386  Internet-Draft        LinuxSampler Contr
5386     rather than real time events happening on the server, it is believed     rather than real time events happening on the server, it is believed
5387     that an empty notification message is sufficient here.     that an empty notification message is sufficient here.
5388    
5389  8.6  Miscellaneous and debugging events  8.10.  Total number of active voices changed
5390    
5391     Client may want to be notified of miscellaneous and debugging events     Client may want to be notified when the total number of voices on the
5392     occurring at the server by issuing the following command:     back-end changes by issuing the following command:
5393    
5394        SUBSCRIBE MISCELLANEOUS        SUBSCRIBE TOTAL_VOICE_COUNT
5395    
5396     Server will start sending the following notification messages:     Server will start sending the following notification messages:
5397    
5398          "NOTIFY:TOTAL_VOICE_COUNT:<voices>
5399    
5400       where <voices> will be replaced by the new number of all currently
5401       active voices.
5402    
5403    8.11.  Number of MIDI instrument maps changed
5404    
5405       Client may want to be notified when the number of MIDI instrument
5406       maps on the back-end changes by issuing the following command:
5407    
5408          SUBSCRIBE MIDI_INSTRUMENT_MAP_COUNT
5409    
5410       Server will start sending the following notification messages:
5411    
5412  Schoenebeck             Expires January 22, 2006               [Page 72]        "NOTIFY:MIDI_INSTRUMENT_MAP_COUNT:<maps>"
5413    
5414  Internet-Draft        LinuxSampler Control Protocol            July 2005     where <maps> will be replaced by the new number of MIDI instrument
5415       maps.
5416    
5417    8.12.  MIDI instrument map information changed
5418    
5419        "NOTIFY:MISCELLANEOUS:<string>"     Client may want to be notified when changes were made to MIDI
5420       instrument maps on the back-end by issuing the following command:
5421    
5422     where <string> will be replaced by whatever data server wants to send        SUBSCRIBE MIDI_INSTRUMENT_MAP_INFO
    to the client.  Client MAY display this data to the user AS IS to  
    facilitate debugging.  
5423    
5424       Server will start sending the following notification messages:
5425    
5426    
5427    
5428    
5429    
5430    
5431    Schoenebeck               Expires July 2, 2007                 [Page 97]
5432    
5433    Internet-Draft        LinuxSampler Control Protocol        December 2006
5434    
5435    
5436          "NOTIFY:MIDI_INSTRUMENT_MAP_INFO:<map-id>"
5437    
5438       where <map-id> will be replaced by the numerical ID of the MIDI
5439       instrument map, for which information changes occurred.  The front-
5440       end will have to send the respective command to actually get the MIDI
5441       instrument map info.  Because these messages will be triggered by
5442       LSCP commands issued by other clients rather than real time events
5443       happening on the server, it is believed that an empty notification
5444       message is sufficient here.
5445    
5446    8.13.  Number of MIDI instruments changed
5447    
5448       Client may want to be notified when the number of MIDI instrument
5449       maps on the back-end changes by issuing the following command:
5450    
5451          SUBSCRIBE MIDI_INSTRUMENT_COUNT
5452    
5453       Server will start sending the following notification messages:
5454    
5455          "NOTIFY:MIDI_INSTRUMENT_COUNT:<map-id> <instruments>"
5456    
5457       where <map-id> is the numerical ID of the MIDI instrument map, in
5458       which the nuber of instruments has changed and <instruments> will be
5459       replaced by the new number of MIDI instruments in the specified map.
5460    
5461    8.14.  MIDI instrument information changed
5462    
5463       Client may want to be notified when changes were made to MIDI
5464       instruments on the back-end by issuing the following command:
5465    
5466          SUBSCRIBE MIDI_INSTRUMENT_INFO
5467    
5468       Server will start sending the following notification messages:
5469    
5470          "NOTIFY:MIDI_INSTRUMENT_INFO:<map-id> <bank> <program>"
5471    
5472       where <map-id> will be replaced by the numerical ID of the MIDI
5473       instrument map, in which a MIDI instrument is changed. <bank> and
5474       <program> specifies the location of the changed MIDI instrument in
5475       the map.  The front-end will have to send the respective command to
5476       actually get the MIDI instrument info.  Because these messages will
5477       be triggered by LSCP commands issued by other clients rather than
5478       real time events happening on the server, it is believed that an
5479       empty notification message is sufficient here.
5480    
5481    
5482    
5483    
5484    
5485    
5486    
5487    Schoenebeck               Expires July 2, 2007                 [Page 98]
5488    
5489    Internet-Draft        LinuxSampler Control Protocol        December 2006
5490    
5491    
5492    8.15.  Miscellaneous and debugging events
5493    
5494       Client may want to be notified of miscellaneous and debugging events
5495       occurring at the server by issuing the following command:
5496    
5497          SUBSCRIBE MISCELLANEOUS
5498    
5499       Server will start sending the following notification messages:
5500    
5501          "NOTIFY:MISCELLANEOUS:<string>"
5502    
5503       where <string> will be replaced by whatever data server wants to send
5504       to the client.  Client MAY display this data to the user AS IS to
5505       facilitate debugging.
5506    
5507    
5508    
# Line 4084  Internet-Draft        LinuxSampler Contr Line 5539  Internet-Draft        LinuxSampler Contr
5539    
5540    
5541    
 Schoenebeck             Expires January 22, 2006               [Page 73]  
5542    
5543  Internet-Draft        LinuxSampler Control Protocol            July 2005  Schoenebeck               Expires July 2, 2007                 [Page 99]
5544    
5545    Internet-Draft        LinuxSampler Control Protocol        December 2006
5546    
5547    
5548  9.  Security Considerations  9.  Security Considerations
# Line 4140  Internet-Draft        LinuxSampler Contr Line 5596  Internet-Draft        LinuxSampler Contr
5596    
5597    
5598    
5599  Schoenebeck             Expires January 22, 2006               [Page 74]  Schoenebeck               Expires July 2, 2007                [Page 100]
5600    
5601  Internet-Draft        LinuxSampler Control Protocol            July 2005  Internet-Draft        LinuxSampler Control Protocol        December 2006
5602    
5603    
5604  10.  Acknowledgments  10.  Acknowledgments
# Line 4160  Internet-Draft        LinuxSampler Contr Line 5616  Internet-Draft        LinuxSampler Contr
5616        Grigor Iliev        Grigor Iliev
5617    
5618    
5619    
5620    
5621    
5622    
5623    
5624    
5625    
5626    
5627    
5628    
5629    
5630    
5631    
5632    
5633    
5634    
5635    
5636    
5637    
5638    
5639    
5640    
5641    
5642    
5643    
5644    
5645    
5646    
5647    
5648    
5649    
5650    
5651    
5652    
5653    
5654    
5655    Schoenebeck               Expires July 2, 2007                [Page 101]
5656    
5657    Internet-Draft        LinuxSampler Control Protocol        December 2006
5658    
5659    
5660  11.  References  11.  References
5661    
5662     [RFC2119]  Bradner, S., "Key words for use in RFCs to Indicate     [RFC2119]  Bradner, S., "Key words for use in RFCs to Indicate
# Line 4172  Internet-Draft        LinuxSampler Contr Line 5669  Internet-Draft        LinuxSampler Contr
5669                CONTROL PROTOCOL", RFC 793, 1981.                CONTROL PROTOCOL", RFC 793, 1981.
5670    
5671    
 Author's Address  
5672    
    C. Schoenebeck  
    Interessengemeinschaft Software Engineering e. V.  
    Max-Planck-Str. 39  
    74081 Heilbronn  
    Germany  
5673    
    Email: schoenebeck at software minus engineering dot org  
5674    
5675    
5676    
# Line 4196  Author's Address Line 5686  Author's Address
5686    
5687    
5688    
 Schoenebeck             Expires January 22, 2006               [Page 75]  
5689    
 Internet-Draft        LinuxSampler Control Protocol            July 2005  
5690    
5691    
 Intellectual Property Statement  
5692    
    The IETF takes no position regarding the validity or scope of any  
    intellectual property or other rights that might be claimed to  
    pertain to the implementation or use of the technology described in  
    this document or the extent to which any license under such rights  
    might or might not be available; neither does it represent that it  
    has made any effort to identify any such rights.  Information on the  
    IETF's procedures with respect to rights in standards-track and  
    standards-related documentation can be found in BCP 11.  Copies of  
    claims of rights made available for publication and any assurances of  
    licenses to be made available, or the result of an attempt made to  
    obtain a general license or permission for the use of such  
    proprietary rights by implementors or users of this specification can  
    be obtained from the IETF Secretariat.  
5693    
    The IETF invites any interested party to bring to its attention any  
    copyrights, patents or patent applications, or other proprietary  
    rights which may cover technology that may be required to practice  
    this standard.  Please address the information to the IETF Executive  
    Director.  
5694    
5695    
 Full Copyright Statement  
5696    
    Copyright (C) The Internet Society (2005).  All Rights Reserved.  
5697    
    This document and translations of it may be copied and furnished to  
    others, and derivative works that comment on or otherwise explain it  
    or assist in its implementation may be prepared, copied, published  
    and distributed, in whole or in part, without restriction of any  
    kind, provided that the above copyright notice and this paragraph are  
    included on all such copies and derivative works.  However, this  
    document itself may not be modified in any way, such as by removing  
    the copyright notice or references to the Internet Society or other  
    Internet organizations, except as needed for the purpose of  
    developing Internet standards in which case the procedures for  
    copyrights defined in the Internet Standards process must be  
    followed, or as required to translate it into languages other than  
    English.  
5698    
    The limited permissions granted above are perpetual and will not be  
    revoked by the Internet Society or its successors or assignees.  
5699    
    This document and the information contained herein is provided on an  
    "AS IS" basis and THE INTERNET SOCIETY AND THE INTERNET ENGINEERING  
    TASK FORCE DISCLAIMS ALL WARRANTIES, EXPRESS OR IMPLIED, INCLUDING  
    BUT NOT LIMITED TO ANY WARRANTY THAT THE USE OF THE INFORMATION  
5700    
5701    
5702    
 Schoenebeck             Expires January 22, 2006               [Page 76]  
5703    
 Internet-Draft        LinuxSampler Control Protocol            July 2005  
5704    
5705    
    HEREIN WILL NOT INFRINGE ANY RIGHTS OR ANY IMPLIED WARRANTIES OF  
    MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.  
5706    
5707    
 Acknowledgment  
5708    
    Funding for the RFC Editor function is currently provided by the  
    Internet Society.  
5709    
5710    
5711    Schoenebeck               Expires July 2, 2007                [Page 102]
5712    
5713    Internet-Draft        LinuxSampler Control Protocol        December 2006
5714    
5715    
5716    Author's Address
5717    
5718       C. Schoenebeck
5719       Interessengemeinschaft Software Engineering e. V.
5720       Max-Planck-Str. 39
5721       74081 Heilbronn
5722       Germany
5723    
5724       Email: schoenebeck at software minus engineering dot org
5725    
5726    
5727    
5728    
# Line 4308  Acknowledgment Line 5764  Acknowledgment
5764    
5765    
5766    
5767  Schoenebeck             Expires January 22, 2006               [Page 77]  Schoenebeck               Expires July 2, 2007                [Page 103]
5768    
5769    Internet-Draft        LinuxSampler Control Protocol        December 2006
5770    
5771    
5772    Full Copyright Statement
5773    
5774       Copyright (C) The Internet Society (2006).
5775    
5776       This document is subject to the rights, licenses and restrictions
5777       contained in BCP 78, and except as set forth therein, the authors
5778       retain all their rights.
5779    
5780       This document and the information contained herein are provided on an
5781       "AS IS" basis and THE CONTRIBUTOR, THE ORGANIZATION HE/SHE REPRESENTS
5782       OR IS SPONSORED BY (IF ANY), THE INTERNET SOCIETY AND THE INTERNET
5783       ENGINEERING TASK FORCE DISCLAIM ALL WARRANTIES, EXPRESS OR IMPLIED,
5784       INCLUDING BUT NOT LIMITED TO ANY WARRANTY THAT THE USE OF THE
5785       INFORMATION HEREIN WILL NOT INFRINGE ANY RIGHTS OR ANY IMPLIED
5786       WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
5787    
5788    
5789    Intellectual Property
5790    
5791       The IETF takes no position regarding the validity or scope of any
5792       Intellectual Property Rights or other rights that might be claimed to
5793       pertain to the implementation or use of the technology described in
5794       this document or the extent to which any license under such rights
5795       might or might not be available; nor does it represent that it has
5796       made any independent effort to identify any such rights.  Information
5797       on the procedures with respect to rights in RFC documents can be
5798       found in BCP 78 and BCP 79.
5799    
5800       Copies of IPR disclosures made to the IETF Secretariat and any
5801       assurances of licenses to be made available, or the result of an
5802       attempt made to obtain a general license or permission for the use of
5803       such proprietary rights by implementers or users of this
5804       specification can be obtained from the IETF on-line IPR repository at
5805       http://www.ietf.org/ipr.
5806    
5807       The IETF invites any interested party to bring to its attention any
5808       copyrights, patents or patent applications, or other proprietary
5809       rights that may cover technology that may be required to implement
5810       this standard.  Please address the information to the IETF at
5811       ietf-ipr@ietf.org.
5812    
5813    
5814    Acknowledgment
5815    
5816       Funding for the RFC Editor function is provided by the IETF
5817       Administrative Support Activity (IASA).
5818    
5819    
5820    
5821    
5822    
5823    Schoenebeck               Expires July 2, 2007                [Page 104]
5824    
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