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// |
// |
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/**************************************************************************** |
/**************************************************************************** |
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liblscp - LinuxSampler Control Protocol API |
liblscp - LinuxSampler Control Protocol API |
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Copyright (C) 2004-2007, rncbc aka Rui Nuno Capela. All rights reserved. |
Copyright (C) 2004-2008, rncbc aka Rui Nuno Capela. All rights reserved. |
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This library is free software; you can redistribute it and/or |
This library is free software; you can redistribute it and/or |
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modify it under the terms of the GNU Lesser General Public |
modify it under the terms of the GNU Lesser General Public |
84 |
if (cchBuffer > 0) { |
if (cchBuffer > 0) { |
85 |
// Make sure received buffer it's null terminated. |
// Make sure received buffer it's null terminated. |
86 |
achBuffer[cchBuffer] = (char) 0; |
achBuffer[cchBuffer] = (char) 0; |
87 |
// Parse for the notification event message... |
pch = achBuffer; |
88 |
pszToken = lscp_strtok(achBuffer, pszSeps, &(pch)); // Have "NOTIFY". |
do { |
89 |
if (strcasecmp(pszToken, "NOTIFY") == 0) { |
// Parse for the notification event message... |
90 |
pszToken = lscp_strtok(NULL, pszSeps, &(pch)); |
pszToken = lscp_strtok(NULL, pszSeps, &(pch)); // Have "NOTIFY" |
91 |
event = lscp_event_from_text(pszToken); |
if (strcasecmp(pszToken, "NOTIFY") == 0) { |
92 |
// And pick the rest of data... |
pszToken = lscp_strtok(NULL, pszSeps, &(pch)); |
93 |
pszToken = lscp_strtok(NULL, pszSeps, &(pch)); |
event = lscp_event_from_text(pszToken); |
94 |
cchToken = (pszToken == NULL ? 0 : strlen(pszToken)); |
// And pick the rest of data... |
95 |
// Double-check if we're really up to it... |
pszToken = lscp_strtok(NULL, pszSeps, &(pch)); |
96 |
if (pClient->events & event) { |
cchToken = (pszToken == NULL ? 0 : strlen(pszToken)); |
97 |
// Invoke the client event callback... |
// Double-check if we're really up to it... |
98 |
if ((*pClient->pfnCallback)( |
if (pClient->events & event) { |
99 |
pClient, |
// Invoke the client event callback... |
100 |
event, |
if ((*pClient->pfnCallback)( |
101 |
pszToken, |
pClient, |
102 |
cchToken, |
event, |
103 |
pClient->pvData) != LSCP_OK) { |
pszToken, |
104 |
pClient->evt.iState = 0; |
cchToken, |
105 |
|
pClient->pvData) != LSCP_OK) { |
106 |
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pClient->evt.iState = 0; |
107 |
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} |
108 |
} |
} |
109 |
} |
} |
110 |
} |
} while (*pch); |
111 |
} else { |
} else { |
112 |
lscp_socket_perror("_lscp_client_evt_proc: recv"); |
lscp_socket_perror("_lscp_client_evt_proc: recv"); |
113 |
pClient->evt.iState = 0; |
pClient->evt.iState = 0; |
581 |
// Client registration protocol functions. |
// Client registration protocol functions. |
582 |
|
|
583 |
/** |
/** |
584 |
* Register frontend for receiving event messages: |
* Register frontend for receiving event messages. |
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* @e Caution: since liblscp v0.5.5.4 you have to call lscp_client_subscribe() |
586 |
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* for @e each event you want to subscribe. That is the old bitflag approach |
587 |
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* was abondoned at this point. You can however still register all older |
588 |
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* events with one lscp_client_subscribe() call at once. Thus, the old |
589 |
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* behavior of this functions was not broken. Those older events are namely: |
590 |
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* @code |
591 |
* SUBSCRIBE CHANNEL_COUNT | VOICE_COUNT | STREAM_COUNT |
* SUBSCRIBE CHANNEL_COUNT | VOICE_COUNT | STREAM_COUNT |
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* | BUFFER_FILL | CHANNEL_INFO | TOTAL_VOICE_COUNT |
* | BUFFER_FILL | CHANNEL_INFO | TOTAL_VOICE_COUNT |
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* | AUDIO_OUTPUT_DEVICE_COUNT | AUDIO_OUTPUT_DEVICE_INFO |
* | AUDIO_OUTPUT_DEVICE_COUNT | AUDIO_OUTPUT_DEVICE_INFO |
595 |
* | MIDI_INSTRUMENT_MAP_COUNT | MIDI_INSTRUMENT_MAP_INFO |
* | MIDI_INSTRUMENT_MAP_COUNT | MIDI_INSTRUMENT_MAP_INFO |
596 |
* | MIDI_INSTRUMENT_COUNT | MIDI_INSTRUMENT_INFO |
* | MIDI_INSTRUMENT_COUNT | MIDI_INSTRUMENT_INFO |
597 |
* | MISCELLANEOUS |
* | MISCELLANEOUS |
598 |
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* @endcode |
599 |
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* The old events occupy the lower 16 bits (as bit flags), and all younger |
600 |
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* events enumerate the whole upper 16 bits range. The new, enumerated |
601 |
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* events are namely: |
602 |
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* @code |
603 |
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* SUBSCRIBE CHANNEL_MIDI |
604 |
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* @endcode |
605 |
* |
* |
606 |
* @param pClient Pointer to client instance structure. |
* @param pClient Pointer to client instance structure. |
607 |
* @param events Bit-wise OR'ed event flags to subscribe. |
* @param events Bit-wise OR'ed event flags to subscribe. |
610 |
*/ |
*/ |
611 |
lscp_status_t lscp_client_subscribe ( lscp_client_t *pClient, lscp_event_t events ) |
lscp_status_t lscp_client_subscribe ( lscp_client_t *pClient, lscp_event_t events ) |
612 |
{ |
{ |
613 |
lscp_status_t ret = LSCP_FAILED; |
lscp_status_t ret = LSCP_OK; |
614 |
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|
615 |
if (pClient == NULL) |
if (pClient == NULL) |
616 |
return LSCP_FAILED; |
return LSCP_FAILED; |
653 |
ret = _lscp_client_evt_request(pClient, 1, LSCP_EVENT_MIDI_INSTRUMENT_INFO); |
ret = _lscp_client_evt_request(pClient, 1, LSCP_EVENT_MIDI_INSTRUMENT_INFO); |
654 |
if (ret == LSCP_OK && (events & LSCP_EVENT_MISCELLANEOUS)) |
if (ret == LSCP_OK && (events & LSCP_EVENT_MISCELLANEOUS)) |
655 |
ret = _lscp_client_evt_request(pClient, 1, LSCP_EVENT_MISCELLANEOUS); |
ret = _lscp_client_evt_request(pClient, 1, LSCP_EVENT_MISCELLANEOUS); |
656 |
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// Caution: for the upper 16 bits, we don't use bit flags anymore ... |
657 |
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if (ret == LSCP_OK && ((events & 0xffff0000) == LSCP_EVENT_CHANNEL_MIDI)) |
658 |
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ret = _lscp_client_evt_request(pClient, 1, LSCP_EVENT_CHANNEL_MIDI); |
659 |
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|
660 |
// Unlock this section down. |
// Unlock this section down. |
661 |
lscp_mutex_unlock(pClient->mutex); |
lscp_mutex_unlock(pClient->mutex); |
666 |
|
|
667 |
/** |
/** |
668 |
* Deregister frontend from receiving UDP event messages anymore: |
* Deregister frontend from receiving UDP event messages anymore: |
669 |
|
* @e Caution: since liblscp v0.5.5.4 you have to call |
670 |
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* lscp_client_unsubscribe() for @e each event you want to unsubscribe. |
671 |
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* That is the old bitflag approach was abondoned at this point. You can |
672 |
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* however still register all older events with one lscp_client_subscribe() |
673 |
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* call at once. Thus, the old behavior of this functions was not broken. |
674 |
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* Those older events are namely: |
675 |
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* @code |
676 |
* UNSUBSCRIBE CHANNEL_COUNT | VOICE_COUNT | STREAM_COUNT |
* UNSUBSCRIBE CHANNEL_COUNT | VOICE_COUNT | STREAM_COUNT |
677 |
* | BUFFER_FILL | CHANNEL_INFO | TOTAL_VOICE_COUNT |
* | BUFFER_FILL | CHANNEL_INFO | TOTAL_VOICE_COUNT |
678 |
* | AUDIO_OUTPUT_DEVICE_COUNT | AUDIO_OUTPUT_DEVICE_INFO |
* | AUDIO_OUTPUT_DEVICE_COUNT | AUDIO_OUTPUT_DEVICE_INFO |
680 |
* | MIDI_INSTRUMENT_MAP_COUNT | MIDI_INSTRUMENT_MAP_INFO |
* | MIDI_INSTRUMENT_MAP_COUNT | MIDI_INSTRUMENT_MAP_INFO |
681 |
* | MIDI_INSTRUMENT_COUNT | MIDI_INSTRUMENT_INFO |
* | MIDI_INSTRUMENT_COUNT | MIDI_INSTRUMENT_INFO |
682 |
* | MISCELLANEOUS |
* | MISCELLANEOUS |
683 |
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* @endcode |
684 |
|
* The old events occupy the lower 16 bits (as bit flags), and all younger |
685 |
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* events enumerate the whole upper 16 bits range. The new, enumerated |
686 |
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* events are namely: |
687 |
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* @code |
688 |
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* UNSUBSCRIBE CHANNEL_MIDI |
689 |
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* @endcode |
690 |
* |
* |
691 |
* @param pClient Pointer to client instance structure. |
* @param pClient Pointer to client instance structure. |
692 |
* @param events Bit-wise OR'ed event flags to unsubscribe. |
* @param events Bit-wise OR'ed event flags to unsubscribe. |
734 |
ret = _lscp_client_evt_request(pClient, 0, LSCP_EVENT_MIDI_INSTRUMENT_INFO); |
ret = _lscp_client_evt_request(pClient, 0, LSCP_EVENT_MIDI_INSTRUMENT_INFO); |
735 |
if (ret == LSCP_OK && (events & LSCP_EVENT_MISCELLANEOUS)) |
if (ret == LSCP_OK && (events & LSCP_EVENT_MISCELLANEOUS)) |
736 |
ret = _lscp_client_evt_request(pClient, 0, LSCP_EVENT_MISCELLANEOUS); |
ret = _lscp_client_evt_request(pClient, 0, LSCP_EVENT_MISCELLANEOUS); |
737 |
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// Caution: for the upper 16 bits, we don't use bit flags anymore ... |
738 |
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if (ret == LSCP_OK && ((events & 0xffff0000) == LSCP_EVENT_CHANNEL_MIDI)) |
739 |
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ret = _lscp_client_evt_request(pClient, 0, LSCP_EVENT_CHANNEL_MIDI); |
740 |
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|
741 |
// If necessary, close the alternate connection... |
// If necessary, close the alternate connection... |
742 |
if (pClient->events == LSCP_EVENT_NONE) |
if (pClient->events == LSCP_EVENT_NONE) |
2087 |
return pFxSendInfo; |
return pFxSendInfo; |
2088 |
} |
} |
2089 |
|
|
2090 |
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/** |
2091 |
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* Alter effect send's name: |
2092 |
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* @code |
2093 |
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* SET FX_SEND NAME <sampler-chan> <fx-send-id> <name> |
2094 |
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* @endcode |
2095 |
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* |
2096 |
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* @param pClient Pointer to client instance structure. |
2097 |
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* @param iSamplerChannel Sampler channel number. |
2098 |
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* @param iFxSend Effect send number. |
2099 |
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* @param pszFxName Effect send's new name. |
2100 |
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* |
2101 |
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* @returns LSCP_OK on success, LSCP_FAILED otherwise. |
2102 |
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*/ |
2103 |
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lscp_status_t lscp_set_fxsend_name ( lscp_client_t *pClient, int iSamplerChannel, int iFxSend, const char *pszFxName ) |
2104 |
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{ |
2105 |
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char szQuery[LSCP_BUFSIZ]; |
2106 |
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2107 |
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if (!pClient || iSamplerChannel < 0 || iFxSend < 0 || !pszFxName) |
2108 |
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return LSCP_FAILED; |
2109 |
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|
2110 |
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snprintf(szQuery, LSCP_BUFSIZ, "SET FX_SEND NAME %d %d '%s'\r\n", iSamplerChannel, iFxSend, pszFxName); |
2111 |
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return lscp_client_query(pClient, szQuery); |
2112 |
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} |
2113 |
|
|
2114 |
/** |
/** |
2115 |
* Alter effect send's audio routing: |
* Alter effect send's audio routing: |