/[svn]/liblscp/trunk/src/common.h
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Contents of /liblscp/trunk/src/common.h

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Revision 163 - (show annotations) (download) (as text)
Wed Jun 30 15:16:03 2004 UTC (19 years, 9 months ago) by capela
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File size: 5438 byte(s)
Driver parameter info wrapper implementation.

1 // common.h
2 //
3 /****************************************************************************
4 liblscp - LinuxSampler Control Protocol API
5 Copyright (C) 2004, rncbc aka Rui Nuno Capela. All rights reserved.
6
7 This library is free software; you can redistribute it and/or
8 modify it under the terms of the GNU Lesser General Public
9 License as published by the Free Software Foundation; either
10 version 2.1 of the License, or (at your option) any later version.
11
12 This library is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 Lesser General Public License for more details.
16
17 You should have received a copy of the GNU Lesser General Public
18 License along with this library; if not, write to the Free Software
19 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20
21 *****************************************************************************/
22
23 #ifndef __LSCP_COMMON_H
24 #define __LSCP_COMMON_H
25
26 #include "lscp/client.h"
27 #include "lscp/device.h"
28
29
30 // Case unsensitive comparison substitutes.
31 #if defined(WIN32)
32 #define strcasecmp stricmp
33 #define strncasecmp strnicmp
34 #endif
35
36 //-------------------------------------------------------------------------
37 // Client opaque descriptor struct.
38
39 struct _lscp_client_t
40 {
41 // Client socket stuff.
42 lscp_client_proc_t pfnCallback;
43 void * pvData;
44 lscp_socket_agent_t cmd;
45 lscp_socket_agent_t evt;
46 // Subscribed events.
47 lscp_event_t events;
48 // Client struct persistent caches.
49 char ** audio_drivers;
50 char ** midi_drivers;
51 int * audio_devices;
52 int * midi_devices;
53 char ** engines;
54 int * channels;
55 // Client struct volatile caches.
56 lscp_driver_info_t audio_info;
57 lscp_driver_info_t midi_info;
58 lscp_param_info_t audio_param_info;
59 lscp_param_info_t midi_param_info;
60 lscp_engine_info_t engine_info;
61 lscp_channel_info_t channel_info;
62 // Result and error status.
63 char * pszResult;
64 int iErrno;
65 // Stream buffers status.
66 lscp_buffer_fill_t *buffer_fill;
67 int iStreamCount;
68 // Transaction call timeout (msecs).
69 int iTimeout;
70 lscp_mutex_t mutex;
71 };
72
73
74 //-------------------------------------------------------------------------
75 // Local client request executive.
76
77 lscp_status_t lscp_client_call (lscp_client_t *pClient, const char *pszQuery);
78 void lscp_client_set_result (lscp_client_t *pClient, char *pszResult, int iErrno);
79
80 //-------------------------------------------------------------------------
81 // General utility function prototypes.
82
83 char * lscp_strtok (char *pchBuffer, const char *pszSeps, char **ppch);
84 char * lscp_ltrim (char *psz);
85 char * lscp_unquote (char **ppsz, int dup);
86
87 char ** lscp_szsplit_create (const char *pszCsv, const char *pszSeps);
88 void lscp_szsplit_destroy (char **ppszSplit);
89 #ifdef LSCP_SZSPLIT_COUNT
90 int lscp_szsplit_count (char **ppszSplit);
91 int lscp_szsplit_size (char **ppszSplit);
92 #endif
93
94 int * lscp_isplit_create (const char *pszCsv, const char *pszSeps);
95 void lscp_isplit_destroy (int *piSplit);
96 #ifdef LSCP_ISPLIT_COUNT
97 int lscp_isplit_count (int *piSplit);
98 int lscp_isplit_size (int *piSplit);
99 #endif
100
101 lscp_param_t * lscp_psplit_create (const char *pszCsv, const char *pszSep1, const char *pszSep2);
102 void lscp_psplit_destroy (lscp_param_t *ppSplit);
103 #ifdef LSCP_PSPLIT_COUNT
104 int lscp_psplit_count (lscp_param_t *ppSplit);
105 int lscp_psplit_size (lscp_param_t *ppSplit);
106 #endif
107
108 //-------------------------------------------------------------------------
109 // Engine struct helper functions.
110
111 void lscp_engine_info_init (lscp_engine_info_t *pEngineInfo);
112 void lscp_engine_info_reset (lscp_engine_info_t *pEngineInfo);
113
114 //-------------------------------------------------------------------------
115 // Channel struct helper functions.
116
117 void lscp_channel_info_init (lscp_channel_info_t *pChannelInfo);
118 void lscp_channel_info_reset (lscp_channel_info_t *pChannelInfo);
119
120 //-------------------------------------------------------------------------
121 // Driver struct helper functions.
122
123 void lscp_driver_info_init (lscp_driver_info_t *pDriverInfo);
124 void lscp_driver_info_reset (lscp_driver_info_t *pDriverInfo);
125
126 //-------------------------------------------------------------------------
127 // Parameter struct helper functions.
128
129 void lscp_param_info_init (lscp_param_info_t *pParamInfo);
130 void lscp_param_info_reset (lscp_param_info_t *pParamInfo);
131
132 //-------------------------------------------------------------------------
133 // Concatenate a parameter list (key='value'...) into a string.
134
135 int lscp_param_concat (char *pszBuffer, int cchMaxBuffer, lscp_param_t *pParams);
136
137
138 #endif // __LSCP_COMMON_H
139
140 // end of common.h

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