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

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

1 capela 103 // 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 capela 132 lscp_socket_agent_t cmd;
45     lscp_socket_agent_t evt;
46 capela 144 // Subscribed events.
47     lscp_event_t events;
48 capela 103 // Client struct persistent caches.
49     char ** audio_drivers;
50     char ** midi_drivers;
51 capela 125 int * audio_devices;
52     int * midi_devices;
53 capela 103 char ** engines;
54 capela 125 int * channels;
55 capela 103 // Client struct volatile caches.
56     lscp_driver_info_t audio_info;
57     lscp_driver_info_t midi_info;
58 capela 163 lscp_param_info_t audio_param_info;
59     lscp_param_info_t midi_param_info;
60 capela 103 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 capela 132 // 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 capela 103 // General utility function prototypes.
82    
83 capela 132 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 capela 103
87 capela 132 char ** lscp_szsplit_create (const char *pszCsv, const char *pszSeps);
88     void lscp_szsplit_destroy (char **ppszSplit);
89 capela 103 #ifdef LSCP_SZSPLIT_COUNT
90 capela 132 int lscp_szsplit_count (char **ppszSplit);
91     int lscp_szsplit_size (char **ppszSplit);
92 capela 103 #endif
93    
94 capela 132 int * lscp_isplit_create (const char *pszCsv, const char *pszSeps);
95 capela 158 void lscp_isplit_destroy (int *piSplit);
96 capela 125 #ifdef LSCP_ISPLIT_COUNT
97 capela 158 int lscp_isplit_count (int *piSplit);
98     int lscp_isplit_size (int *piSplit);
99 capela 125 #endif
100 capela 103
101 capela 158 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 capela 103 //-------------------------------------------------------------------------
109     // Engine struct helper functions.
110    
111 capela 132 void lscp_engine_info_init (lscp_engine_info_t *pEngineInfo);
112     void lscp_engine_info_reset (lscp_engine_info_t *pEngineInfo);
113 capela 103
114     //-------------------------------------------------------------------------
115     // Channel struct helper functions.
116    
117 capela 132 void lscp_channel_info_init (lscp_channel_info_t *pChannelInfo);
118     void lscp_channel_info_reset (lscp_channel_info_t *pChannelInfo);
119 capela 103
120     //-------------------------------------------------------------------------
121     // Driver struct helper functions.
122    
123 capela 132 void lscp_driver_info_init (lscp_driver_info_t *pDriverInfo);
124     void lscp_driver_info_reset (lscp_driver_info_t *pDriverInfo);
125 capela 103
126 capela 163 //-------------------------------------------------------------------------
127     // Parameter struct helper functions.
128 capela 103
129 capela 163 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 capela 103 #endif // __LSCP_COMMON_H
139    
140     // end of common.h

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