2 |
// |
// |
3 |
/**************************************************************************** |
/**************************************************************************** |
4 |
liblscp - LinuxSampler Control Protocol API |
liblscp - LinuxSampler Control Protocol API |
5 |
Copyright (C) 2004, rncbc aka Rui Nuno Capela. All rights reserved. |
Copyright (C) 2004-2005, rncbc aka Rui Nuno Capela. All rights reserved. |
6 |
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|
7 |
This library is free software; you can redistribute it and/or |
This library is free software; you can redistribute it and/or |
8 |
modify it under the terms of the GNU Lesser General Public |
modify it under the terms of the GNU Lesser General Public |
14 |
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
15 |
Lesser General Public License for more details. |
Lesser General Public License for more details. |
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|
17 |
You should have received a copy of the GNU Lesser General Public |
You should 14have received a copy of the GNU Lesser General Public |
18 |
License along with this library; if not, write to the Free Software |
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 |
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
20 |
|
|
40 |
static void _lscp_client_evt_proc ( void *pvClient ) |
static void _lscp_client_evt_proc ( void *pvClient ) |
41 |
{ |
{ |
42 |
lscp_client_t *pClient = (lscp_client_t *) pvClient; |
lscp_client_t *pClient = (lscp_client_t *) pvClient; |
43 |
|
|
44 |
fd_set fds; // File descriptor list for select(). |
fd_set fds; // File descriptor list for select(). |
45 |
int fd, fdmax; // Maximum file descriptor number. |
int fd, fdmax; // Maximum file descriptor number. |
46 |
struct timeval tv; // For specifying a timeout value. |
struct timeval tv; // For specifying a timeout value. |
47 |
int iSelect; // Holds select return status. |
int iSelect; // Holds select return status. |
48 |
int iTimeout; |
int iTimeout; |
49 |
|
|
50 |
char achBuffer[LSCP_BUFSIZ]; |
char achBuffer[LSCP_BUFSIZ]; |
51 |
int cchBuffer; |
int cchBuffer; |
52 |
const char *pszSeps = ":\r\n"; |
const char *pszSeps = ":\r\n"; |
69 |
|
|
70 |
// Use the timeout (x10) select feature ... |
// Use the timeout (x10) select feature ... |
71 |
iTimeout = 10 * pClient->iTimeout; |
iTimeout = 10 * pClient->iTimeout; |
72 |
if (iTimeout > 1000) { |
if (iTimeout >= 1000) { |
73 |
tv.tv_sec = iTimeout / 1000; |
tv.tv_sec = iTimeout / 1000; |
74 |
iTimeout -= tv.tv_sec * 1000; |
iTimeout -= tv.tv_sec * 1000; |
75 |
} |
} |
111 |
} |
} |
112 |
} // Check if select has in error. |
} // Check if select has in error. |
113 |
else if (iSelect < 0) { |
else if (iSelect < 0) { |
114 |
lscp_socket_perror("_lscp_client_call: select"); |
lscp_socket_perror("_lscp_client_evt_proc: select"); |
115 |
pClient->evt.iState = 0; |
pClient->evt.iState = 0; |
116 |
} |
} |
117 |
|
|
118 |
// Finally, always signal the event. |
// Finally, always signal the event. |
119 |
lscp_cond_signal(pClient->cond); |
lscp_cond_signal(pClient->cond); |
120 |
} |
} |
164 |
closesocket(sock); |
closesocket(sock); |
165 |
return LSCP_FAILED; |
return LSCP_FAILED; |
166 |
} |
} |
167 |
|
|
168 |
// Set our socket agent struct... |
// Set our socket agent struct... |
169 |
lscp_socket_agent_init(&(pClient->evt), sock, &addr, cAddr); |
lscp_socket_agent_init(&(pClient->evt), sock, &addr, cAddr); |
170 |
|
|
171 |
// And finally the service thread... |
// And finally the service thread... |
172 |
return lscp_socket_agent_start(&(pClient->evt), _lscp_client_evt_proc, pClient, 0); |
return lscp_socket_agent_start(&(pClient->evt), _lscp_client_evt_proc, pClient, 0); |
173 |
} |
} |
198 |
|
|
199 |
// Wait on response. |
// Wait on response. |
200 |
lscp_cond_wait(pClient->cond, pClient->mutex); |
lscp_cond_wait(pClient->cond, pClient->mutex); |
201 |
|
|
202 |
// Update as naively as we can... |
// Update as naively as we can... |
203 |
if (iSubscribe) |
if (iSubscribe) |
204 |
pClient->events |= event; |
pClient->events |= event; |
337 |
lscp_device_port_info_init(&(pClient->midi_port_info)); |
lscp_device_port_info_init(&(pClient->midi_port_info)); |
338 |
lscp_param_info_init(&(pClient->audio_channel_param_info)); |
lscp_param_info_init(&(pClient->audio_channel_param_info)); |
339 |
lscp_param_info_init(&(pClient->midi_port_param_info)); |
lscp_param_info_init(&(pClient->midi_port_param_info)); |
340 |
|
lscp_server_info_init(&(pClient->server_info)); |
341 |
lscp_engine_info_init(&(pClient->engine_info)); |
lscp_engine_info_init(&(pClient->engine_info)); |
342 |
lscp_channel_info_init(&(pClient->channel_info)); |
lscp_channel_info_init(&(pClient->channel_info)); |
343 |
// Initialize error stuff. |
// Initialize error stuff. |
348 |
pClient->iStreamCount = 0; |
pClient->iStreamCount = 0; |
349 |
// Default timeout value. |
// Default timeout value. |
350 |
pClient->iTimeout = LSCP_TIMEOUT_MSECS; |
pClient->iTimeout = LSCP_TIMEOUT_MSECS; |
351 |
|
pClient->iTimeoutCount = 0; |
352 |
|
|
353 |
// Initialize the transaction mutex. |
// Initialize the transaction mutex. |
354 |
lscp_mutex_init(pClient->mutex); |
lscp_mutex_init(pClient->mutex); |
398 |
|
|
399 |
// Lock this section up. |
// Lock this section up. |
400 |
lscp_mutex_lock(pClient->mutex); |
lscp_mutex_lock(pClient->mutex); |
401 |
|
|
402 |
// Free up all cached members. |
// Free up all cached members. |
403 |
lscp_channel_info_free(&(pClient->channel_info)); |
lscp_channel_info_free(&(pClient->channel_info)); |
404 |
lscp_engine_info_free(&(pClient->engine_info)); |
lscp_engine_info_free(&(pClient->engine_info)); |
405 |
|
lscp_server_info_free(&(pClient->server_info)); |
406 |
lscp_param_info_free(&(pClient->midi_port_param_info)); |
lscp_param_info_free(&(pClient->midi_port_param_info)); |
407 |
lscp_param_info_free(&(pClient->audio_channel_param_info)); |
lscp_param_info_free(&(pClient->audio_channel_param_info)); |
408 |
lscp_device_port_info_free(&(pClient->midi_port_info)); |
lscp_device_port_info_free(&(pClient->midi_port_info)); |
503 |
lscp_status_t lscp_client_query ( lscp_client_t *pClient, const char *pszQuery ) |
lscp_status_t lscp_client_query ( lscp_client_t *pClient, const char *pszQuery ) |
504 |
{ |
{ |
505 |
lscp_status_t ret; |
lscp_status_t ret; |
506 |
|
|
507 |
// Lock this section up. |
// Lock this section up. |
508 |
lscp_mutex_lock(pClient->mutex); |
lscp_mutex_lock(pClient->mutex); |
509 |
|
|
510 |
// Just make the now guarded call. |
// Just make the now guarded call. |
511 |
ret = lscp_client_call(pClient, pszQuery); |
ret = lscp_client_call(pClient, pszQuery); |
512 |
|
|
513 |
// Unlock this section down. |
// Unlock this section down. |
514 |
lscp_mutex_unlock(pClient->mutex); |
lscp_mutex_unlock(pClient->mutex); |
515 |
|
|
516 |
return ret; |
return ret; |
517 |
} |
} |
518 |
|
|
556 |
|
|
557 |
/** |
/** |
558 |
* Register frontend for receiving event messages: |
* Register frontend for receiving event messages: |
559 |
* SUBSCRIBE CHANNELS | VOICE_COUNT | STREAM_COUNT | BUFFER_FILL |
* SUBSCRIBE CHANNEL_COUNT | VOICE_COUNT | STREAM_COUNT | BUFFER_FILL |
560 |
* | CHANNEL_INFO | MISCELLANEOUS |
* | CHANNEL_INFO | MISCELLANEOUS |
561 |
* |
* |
562 |
* @param pClient Pointer to client instance structure. |
* @param pClient Pointer to client instance structure. |
577 |
// If applicable, start the alternate connection... |
// If applicable, start the alternate connection... |
578 |
if (pClient->events == LSCP_EVENT_NONE) |
if (pClient->events == LSCP_EVENT_NONE) |
579 |
ret = _lscp_client_evt_connect(pClient); |
ret = _lscp_client_evt_connect(pClient); |
580 |
|
|
581 |
// Send the subscription commands. |
// Send the subscription commands. |
582 |
if (ret == LSCP_OK && (events & LSCP_EVENT_CHANNELS)) |
if (ret == LSCP_OK && (events & LSCP_EVENT_CHANNEL_COUNT)) |
583 |
ret = _lscp_client_evt_request(pClient, 1, LSCP_EVENT_CHANNELS); |
ret = _lscp_client_evt_request(pClient, 1, LSCP_EVENT_CHANNEL_COUNT); |
584 |
if (ret == LSCP_OK && (events & LSCP_EVENT_VOICE_COUNT)) |
if (ret == LSCP_OK && (events & LSCP_EVENT_VOICE_COUNT)) |
585 |
ret = _lscp_client_evt_request(pClient, 1, LSCP_EVENT_VOICE_COUNT); |
ret = _lscp_client_evt_request(pClient, 1, LSCP_EVENT_VOICE_COUNT); |
586 |
if (ret == LSCP_OK && (events & LSCP_EVENT_STREAM_COUNT)) |
if (ret == LSCP_OK && (events & LSCP_EVENT_STREAM_COUNT)) |
601 |
|
|
602 |
/** |
/** |
603 |
* Deregister frontend from receiving UDP event messages anymore: |
* Deregister frontend from receiving UDP event messages anymore: |
604 |
* SUBSCRIBE CHANNELS | VOICE_COUNT | STREAM_COUNT | BUFFER_FILL |
* SUBSCRIBE CHANNEL_COUNT | VOICE_COUNT | STREAM_COUNT | BUFFER_FILL |
605 |
* | CHANNEL_INFO | MISCELLANEOUS |
* | CHANNEL_INFO | MISCELLANEOUS |
606 |
* |
* |
607 |
* @param pClient Pointer to client instance structure. |
* @param pClient Pointer to client instance structure. |
620 |
lscp_mutex_lock(pClient->mutex); |
lscp_mutex_lock(pClient->mutex); |
621 |
|
|
622 |
// Send the unsubscription commands. |
// Send the unsubscription commands. |
623 |
if (ret == LSCP_OK && (events & LSCP_EVENT_CHANNELS)) |
if (ret == LSCP_OK && (events & LSCP_EVENT_CHANNEL_COUNT)) |
624 |
ret = _lscp_client_evt_request(pClient, 0, LSCP_EVENT_CHANNELS); |
ret = _lscp_client_evt_request(pClient, 0, LSCP_EVENT_CHANNEL_COUNT); |
625 |
if (ret == LSCP_OK && (events & LSCP_EVENT_VOICE_COUNT)) |
if (ret == LSCP_OK && (events & LSCP_EVENT_VOICE_COUNT)) |
626 |
ret = _lscp_client_evt_request(pClient, 0, LSCP_EVENT_VOICE_COUNT); |
ret = _lscp_client_evt_request(pClient, 0, LSCP_EVENT_VOICE_COUNT); |
627 |
if (ret == LSCP_OK && (events & LSCP_EVENT_STREAM_COUNT)) |
if (ret == LSCP_OK && (events & LSCP_EVENT_STREAM_COUNT)) |
644 |
} |
} |
645 |
|
|
646 |
|
|
647 |
|
/** |
648 |
|
* Getting current subscribed events. |
649 |
|
* |
650 |
|
* @param pClient Pointer to client instance structure. |
651 |
|
* |
652 |
|
* @returns The current subscrived bit-wise OR'ed event flags. |
653 |
|
*/ |
654 |
|
lscp_event_t lscp_client_get_events ( lscp_client_t *pClient ) |
655 |
|
{ |
656 |
|
if (pClient == NULL) |
657 |
|
return LSCP_EVENT_NONE; |
658 |
|
|
659 |
|
return pClient->events; |
660 |
|
} |
661 |
|
|
662 |
|
|
663 |
//------------------------------------------------------------------------- |
//------------------------------------------------------------------------- |
664 |
// Client command protocol functions. |
// Client command protocol functions. |
665 |
|
|
772 |
|
|
773 |
if (pClient == NULL) |
if (pClient == NULL) |
774 |
return NULL; |
return NULL; |
775 |
|
|
776 |
// Lock this section up. |
// Lock this section up. |
777 |
lscp_mutex_lock(pClient->mutex); |
lscp_mutex_lock(pClient->mutex); |
778 |
|
|
809 |
|
|
810 |
if (lscp_client_call(pClient, "ADD CHANNEL\r\n") == LSCP_OK) |
if (lscp_client_call(pClient, "ADD CHANNEL\r\n") == LSCP_OK) |
811 |
iSamplerChannel = atoi(lscp_client_get_result(pClient)); |
iSamplerChannel = atoi(lscp_client_get_result(pClient)); |
812 |
|
|
813 |
// Unlock this section down. |
// Unlock this section down. |
814 |
lscp_mutex_unlock(pClient->mutex); |
lscp_mutex_unlock(pClient->mutex); |
815 |
|
|
839 |
|
|
840 |
|
|
841 |
/** |
/** |
842 |
* Getting all available engines: |
* Getting all available engines count: |
843 |
* GET AVAILABLE_ENGINES |
* GET AVAILABLE_ENGINES |
844 |
* |
* |
845 |
* @param pClient Pointer to client instance structure. |
* @param pClient Pointer to client instance structure. |
846 |
* |
* |
847 |
|
* @returns The current total number of sampler engines on success, |
848 |
|
* -1 otherwise. |
849 |
|
*/ |
850 |
|
int lscp_get_available_engines ( lscp_client_t *pClient ) |
851 |
|
{ |
852 |
|
int iAvailableEngines = -1; |
853 |
|
|
854 |
|
// Lock this section up. |
855 |
|
lscp_mutex_lock(pClient->mutex); |
856 |
|
|
857 |
|
if (lscp_client_call(pClient, "GET AVAILABLE_ENGINES\r\n") == LSCP_OK) |
858 |
|
iAvailableEngines = atoi(lscp_client_get_result(pClient)); |
859 |
|
|
860 |
|
// Unlock this section down. |
861 |
|
lscp_mutex_unlock(pClient->mutex); |
862 |
|
|
863 |
|
return iAvailableEngines; |
864 |
|
} |
865 |
|
|
866 |
|
|
867 |
|
/** |
868 |
|
* Getting all available engines: |
869 |
|
* LIST AVAILABLE_ENGINES |
870 |
|
* |
871 |
|
* @param pClient Pointer to client instance structure. |
872 |
|
* |
873 |
* @returns A NULL terminated array of engine name strings, |
* @returns A NULL terminated array of engine name strings, |
874 |
* or NULL in case of failure. |
* or NULL in case of failure. |
875 |
*/ |
*/ |
876 |
const char **lscp_get_available_engines ( lscp_client_t *pClient ) |
const char **lscp_list_available_engines ( lscp_client_t *pClient ) |
877 |
{ |
{ |
878 |
const char *pszSeps = ","; |
const char *pszSeps = ","; |
879 |
|
|
885 |
pClient->engines = NULL; |
pClient->engines = NULL; |
886 |
} |
} |
887 |
|
|
888 |
if (lscp_client_call(pClient, "GET AVAILABLE_ENGINES\r\n") == LSCP_OK) |
if (lscp_client_call(pClient, "LIST AVAILABLE_ENGINES\r\n") == LSCP_OK) |
889 |
pClient->engines = lscp_szsplit_create(lscp_client_get_result(pClient), pszSeps); |
pClient->engines = lscp_szsplit_create(lscp_client_get_result(pClient), pszSeps); |
890 |
|
|
891 |
// Unlock this section down. |
// Unlock this section down. |
943 |
} |
} |
944 |
} |
} |
945 |
else pEngineInfo = NULL; |
else pEngineInfo = NULL; |
946 |
|
|
947 |
// Unlock this section down. |
// Unlock this section down. |
948 |
lscp_mutex_unlock(pClient->mutex); |
lscp_mutex_unlock(pClient->mutex); |
949 |
|
|
976 |
|
|
977 |
// Lock this section up. |
// Lock this section up. |
978 |
lscp_mutex_lock(pClient->mutex); |
lscp_mutex_lock(pClient->mutex); |
979 |
|
|
980 |
pChannelInfo = &(pClient->channel_info); |
pChannelInfo = &(pClient->channel_info); |
981 |
lscp_channel_info_reset(pChannelInfo); |
lscp_channel_info_reset(pChannelInfo); |
982 |
|
|
1018 |
if (pszToken) |
if (pszToken) |
1019 |
pChannelInfo->instrument_nr = atoi(lscp_ltrim(pszToken)); |
pChannelInfo->instrument_nr = atoi(lscp_ltrim(pszToken)); |
1020 |
} |
} |
1021 |
|
else if (strcasecmp(pszToken, "INSTRUMENT_NAME") == 0) { |
1022 |
|
pszToken = lscp_strtok(NULL, pszCrlf, &(pch)); |
1023 |
|
if (pszToken) |
1024 |
|
lscp_unquote_dup(&(pChannelInfo->instrument_name), &pszToken); |
1025 |
|
} |
1026 |
else if (strcasecmp(pszToken, "INSTRUMENT_STATUS") == 0) { |
else if (strcasecmp(pszToken, "INSTRUMENT_STATUS") == 0) { |
1027 |
pszToken = lscp_strtok(NULL, pszCrlf, &(pch)); |
pszToken = lscp_strtok(NULL, pszCrlf, &(pch)); |
1028 |
if (pszToken) |
if (pszToken) |
1040 |
} |
} |
1041 |
else if (strcasecmp(pszToken, "MIDI_INPUT_CHANNEL") == 0) { |
else if (strcasecmp(pszToken, "MIDI_INPUT_CHANNEL") == 0) { |
1042 |
pszToken = lscp_strtok(NULL, pszCrlf, &(pch)); |
pszToken = lscp_strtok(NULL, pszCrlf, &(pch)); |
1043 |
if (pszToken) |
if (pszToken) { |
1044 |
pChannelInfo->midi_channel = atoi(lscp_ltrim(pszToken)); |
pszToken = lscp_ltrim(pszToken); |
1045 |
|
if (strcasecmp(pszToken, "ALL") == 0) |
1046 |
|
pChannelInfo->midi_channel = LSCP_MIDI_CHANNEL_ALL; |
1047 |
|
else |
1048 |
|
pChannelInfo->midi_channel = atoi(pszToken); |
1049 |
|
} |
1050 |
} |
} |
1051 |
else if (strcasecmp(pszToken, "VOLUME") == 0) { |
else if (strcasecmp(pszToken, "VOLUME") == 0) { |
1052 |
pszToken = lscp_strtok(NULL, pszCrlf, &(pch)); |
pszToken = lscp_strtok(NULL, pszCrlf, &(pch)); |
1053 |
if (pszToken) |
if (pszToken) |
1054 |
pChannelInfo->volume = (float) atof(lscp_ltrim(pszToken)); |
pChannelInfo->volume = (float) atof(lscp_ltrim(pszToken)); |
1055 |
} |
} |
1056 |
|
else if (strcasecmp(pszToken, "MUTE") == 0) { |
1057 |
|
pszToken = lscp_strtok(NULL, pszCrlf, &(pch)); |
1058 |
|
if (pszToken) |
1059 |
|
pChannelInfo->mute = (strcasecmp(lscp_unquote(&pszToken, 0), "TRUE") == 0); |
1060 |
|
} |
1061 |
|
else if (strcasecmp(pszToken, "SOLO") == 0) { |
1062 |
|
pszToken = lscp_strtok(NULL, pszCrlf, &(pch)); |
1063 |
|
if (pszToken) |
1064 |
|
pChannelInfo->solo = (strcasecmp(lscp_unquote(&pszToken, 0), "TRUE") == 0); |
1065 |
|
} |
1066 |
pszToken = lscp_strtok(NULL, pszSeps, &(pch)); |
pszToken = lscp_strtok(NULL, pszSeps, &(pch)); |
1067 |
} |
} |
1068 |
} |
} |
1069 |
else pChannelInfo = NULL; |
else pChannelInfo = NULL; |
1070 |
|
|
1071 |
// Unlock this section up. |
// Unlock this section up. |
1072 |
lscp_mutex_unlock(pClient->mutex); |
lscp_mutex_unlock(pClient->mutex); |
1073 |
|
|
1260 |
else while (iStream < pClient->iStreamCount) |
else while (iStream < pClient->iStreamCount) |
1261 |
pBufferFill[iStream++].stream_usage = 0; |
pBufferFill[iStream++].stream_usage = 0; |
1262 |
} |
} |
1263 |
|
|
1264 |
// Unlock this section down. |
// Unlock this section down. |
1265 |
lscp_mutex_unlock(pClient->mutex); |
lscp_mutex_unlock(pClient->mutex); |
1266 |
|
|
1401 |
* |
* |
1402 |
* @param pClient Pointer to client instance structure. |
* @param pClient Pointer to client instance structure. |
1403 |
* @param iSamplerChannel Sampler channel number. |
* @param iSamplerChannel Sampler channel number. |
1404 |
* @param iMidiChannel MIDI channel number to listen (1-16) or |
* @param iMidiChannel MIDI channel address number to listen (0-15) or |
1405 |
* zero (0) to listen on all channels. |
* LSCP_MIDI_CHANNEL_ALL (16) to listen on all channels. |
1406 |
* |
* |
1407 |
* @returns LSCP_OK on success, LSCP_FAILED otherwise. |
* @returns LSCP_OK on success, LSCP_FAILED otherwise. |
1408 |
*/ |
*/ |
1413 |
if (iSamplerChannel < 0 || iMidiChannel < 0 || iMidiChannel > 16) |
if (iSamplerChannel < 0 || iMidiChannel < 0 || iMidiChannel > 16) |
1414 |
return LSCP_FAILED; |
return LSCP_FAILED; |
1415 |
|
|
1416 |
if (iMidiChannel > 0) |
if (iMidiChannel == LSCP_MIDI_CHANNEL_ALL) |
|
sprintf(szQuery, "SET CHANNEL MIDI_INPUT_CHANNEL %d %d\r\n", iSamplerChannel, iMidiChannel); |
|
|
else |
|
1417 |
sprintf(szQuery, "SET CHANNEL MIDI_INPUT_CHANNEL %d ALL\r\n", iSamplerChannel); |
sprintf(szQuery, "SET CHANNEL MIDI_INPUT_CHANNEL %d ALL\r\n", iSamplerChannel); |
1418 |
|
else |
1419 |
|
sprintf(szQuery, "SET CHANNEL MIDI_INPUT_CHANNEL %d %d\r\n", iSamplerChannel, iMidiChannel); |
1420 |
return lscp_client_query(pClient, szQuery); |
return lscp_client_query(pClient, szQuery); |
1421 |
} |
} |
1422 |
|
|
1446 |
|
|
1447 |
|
|
1448 |
/** |
/** |
1449 |
|
* Muting a sampler channel: |
1450 |
|
* SET CHANNEL MUTE <sampler-channel> <mute> |
1451 |
|
* |
1452 |
|
* @param pClient Pointer to client instance structure. |
1453 |
|
* @param iSamplerChannel Sampler channel number. |
1454 |
|
* @param iMute Sampler channel mute state as a boolean value, |
1455 |
|
* either 1 (one) to mute the channel or 0 (zero) |
1456 |
|
* to unmute the channel. |
1457 |
|
* |
1458 |
|
* @returns LSCP_OK on success, LSCP_FAILED otherwise. |
1459 |
|
*/ |
1460 |
|
lscp_status_t lscp_set_channel_mute ( lscp_client_t *pClient, int iSamplerChannel, int iMute ) |
1461 |
|
{ |
1462 |
|
char szQuery[LSCP_BUFSIZ]; |
1463 |
|
|
1464 |
|
if (iSamplerChannel < 0 || iMute < 0 || iMute > 1) |
1465 |
|
return LSCP_FAILED; |
1466 |
|
|
1467 |
|
sprintf(szQuery, "SET CHANNEL MUTE %d %g\r\n", iSamplerChannel, iMute); |
1468 |
|
return lscp_client_query(pClient, szQuery); |
1469 |
|
} |
1470 |
|
|
1471 |
|
|
1472 |
|
/** |
1473 |
|
* Soloing a sampler channel: |
1474 |
|
* SET CHANNEL SOLO <sampler-channel> <solo> |
1475 |
|
* |
1476 |
|
* @param pClient Pointer to client instance structure. |
1477 |
|
* @param iSamplerChannel Sampler channel number. |
1478 |
|
* @param iSolo Sampler channel solo state as a boolean value, |
1479 |
|
* either 1 (one) to solo the channel or 0 (zero) |
1480 |
|
* to unsolo the channel. |
1481 |
|
* |
1482 |
|
* @returns LSCP_OK on success, LSCP_FAILED otherwise. |
1483 |
|
*/ |
1484 |
|
lscp_status_t lscp_set_channel_solo ( lscp_client_t *pClient, int iSamplerChannel, int iSolo ) |
1485 |
|
{ |
1486 |
|
char szQuery[LSCP_BUFSIZ]; |
1487 |
|
|
1488 |
|
if (iSamplerChannel < 0 || iSolo < 0 || iSolo > 1) |
1489 |
|
return LSCP_FAILED; |
1490 |
|
|
1491 |
|
sprintf(szQuery, "SET CHANNEL SOLO %d %g\r\n", iSamplerChannel, iSolo); |
1492 |
|
return lscp_client_query(pClient, szQuery); |
1493 |
|
} |
1494 |
|
|
1495 |
|
|
1496 |
|
/** |
1497 |
* Resetting a sampler channel: |
* Resetting a sampler channel: |
1498 |
* RESET CHANNEL <sampler-channel> |
* RESET CHANNEL <sampler-channel> |
1499 |
* |
* |
1514 |
} |
} |
1515 |
|
|
1516 |
|
|
1517 |
|
/** |
1518 |
|
* Resetting the sampler: |
1519 |
|
* RESET |
1520 |
|
* |
1521 |
|
* @param pClient Pointer to client instance structure. |
1522 |
|
* |
1523 |
|
* @returns LSCP_OK on success, LSCP_FAILED otherwise. |
1524 |
|
*/ |
1525 |
|
lscp_status_t lscp_reset_sampler ( lscp_client_t *pClient ) |
1526 |
|
{ |
1527 |
|
return lscp_client_query(pClient, "RESET\r\n"); |
1528 |
|
} |
1529 |
|
|
1530 |
|
|
1531 |
|
/** |
1532 |
|
* Getting information about the server. |
1533 |
|
* GET SERVER INFO |
1534 |
|
* |
1535 |
|
* @param pClient Pointer to client instance structure. |
1536 |
|
* |
1537 |
|
* @returns A pointer to a @ref lscp_server_info_t structure, with all the |
1538 |
|
* information of the current connected server, or NULL in case of failure. |
1539 |
|
*/ |
1540 |
|
lscp_server_info_t *lscp_get_server_info ( lscp_client_t *pClient ) |
1541 |
|
{ |
1542 |
|
lscp_server_info_t *pServerInfo; |
1543 |
|
const char *pszResult; |
1544 |
|
const char *pszSeps = ":"; |
1545 |
|
const char *pszCrlf = "\r\n"; |
1546 |
|
char *pszToken; |
1547 |
|
char *pch; |
1548 |
|
|
1549 |
|
// Lock this section up. |
1550 |
|
lscp_mutex_lock(pClient->mutex); |
1551 |
|
|
1552 |
|
pServerInfo = &(pClient->server_info); |
1553 |
|
lscp_server_info_reset(pServerInfo); |
1554 |
|
|
1555 |
|
if (lscp_client_call(pClient, "GET SERVER INFO\r\n") == LSCP_OK) { |
1556 |
|
pszResult = lscp_client_get_result(pClient); |
1557 |
|
pszToken = lscp_strtok((char *) pszResult, pszSeps, &(pch)); |
1558 |
|
while (pszToken) { |
1559 |
|
if (strcasecmp(pszToken, "DESCRIPTION") == 0) { |
1560 |
|
pszToken = lscp_strtok(NULL, pszCrlf, &(pch)); |
1561 |
|
if (pszToken) |
1562 |
|
lscp_unquote_dup(&(pServerInfo->description), &pszToken); |
1563 |
|
} |
1564 |
|
else if (strcasecmp(pszToken, "VERSION") == 0) { |
1565 |
|
pszToken = lscp_strtok(NULL, pszCrlf, &(pch)); |
1566 |
|
if (pszToken) |
1567 |
|
lscp_unquote_dup(&(pServerInfo->version), &pszToken); |
1568 |
|
} |
1569 |
|
pszToken = lscp_strtok(NULL, pszSeps, &(pch)); |
1570 |
|
} |
1571 |
|
} |
1572 |
|
else pServerInfo = NULL; |
1573 |
|
|
1574 |
|
// Unlock this section down. |
1575 |
|
lscp_mutex_unlock(pClient->mutex); |
1576 |
|
|
1577 |
|
return pServerInfo; |
1578 |
|
} |
1579 |
|
|
1580 |
|
|
1581 |
// end of client.c |
// end of client.c |