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// device.c |
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// |
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/**************************************************************************** |
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liblscp - LinuxSampler Control Protocol API |
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Copyright (C) 2004, rncbc aka Rui Nuno Capela. All rights reserved. |
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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 |
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License as published by the Free Software Foundation; either |
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version 2.1 of the License, or (at your option) any later version. |
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This library is distributed in the hope that it will be useful, |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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Lesser General Public License for more details. |
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You should have received a copy of the GNU Lesser General Public |
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License along with this library; if not, write to the Free Software |
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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*****************************************************************************/ |
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#include "common.h" |
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// Local prototypes. |
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static lscp_driver_info_t *_lscp_driver_info_query (lscp_client_t *pClient, lscp_driver_info_t *pDriverInfo, char *pszQuery); |
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static lscp_param_info_t *_lscp_param_info_query (lscp_client_t *pClient, lscp_param_info_t *pParamInfo, char *pszQuery, lscp_param_t *pDepList); |
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//------------------------------------------------------------------------- |
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// Local funtions. |
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// Common driver type query command. |
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static lscp_driver_info_t *_lscp_driver_info_query ( lscp_client_t *pClient, lscp_driver_info_t *pDriverInfo, char *pszQuery ) |
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{ |
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const char *pszResult; |
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const char *pszSeps = ":"; |
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const char *pszCrlf = "\r\n"; |
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char *pszToken; |
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char *pch; |
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// Lock this section up. |
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lscp_mutex_lock(pClient->mutex); |
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lscp_driver_info_reset(pDriverInfo); |
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if (lscp_client_call(pClient, pszQuery) == LSCP_OK) { |
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pszResult = lscp_client_get_result(pClient); |
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pszToken = lscp_strtok((char *) pszResult, pszSeps, &(pch)); |
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while (pszToken) { |
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if (strcasecmp(pszToken, "DESCRIPTION") == 0) { |
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pszToken = lscp_strtok(NULL, pszCrlf, &(pch)); |
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if (pszToken) |
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pDriverInfo->description = lscp_unquote(&pszToken, 1); |
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} |
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else if (strcasecmp(pszToken, "VERSION") == 0) { |
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pszToken = lscp_strtok(NULL, pszCrlf, &(pch)); |
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if (pszToken) |
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pDriverInfo->version = lscp_unquote(&pszToken, 1); |
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} |
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else if (strcasecmp(pszToken, "PARAMETERS") == 0) { |
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pszToken = lscp_strtok(NULL, pszCrlf, &(pch)); |
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if (pszToken) |
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pDriverInfo->parameters = lscp_szsplit_create(pszToken, ","); |
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} |
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pszToken = lscp_strtok(NULL, pszSeps, &(pch)); |
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} |
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} |
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// Unlock this section down. |
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lscp_mutex_unlock(pClient->mutex); |
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return pDriverInfo; |
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} |
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// Common parameter info query command. |
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static lscp_param_info_t *_lscp_param_info_query ( lscp_client_t *pClient, lscp_param_info_t *pParamInfo, char *pszQuery, lscp_param_t *pDepList ) |
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{ |
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const char *pszResult; |
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const char *pszSeps = ":"; |
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const char *pszCrlf = "\r\n"; |
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char *pszToken; |
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char *pch; |
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// Lock this section up. |
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lscp_mutex_lock(pClient->mutex); |
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lscp_param_info_reset(pParamInfo); |
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lscp_param_concat(pszQuery, LSCP_BUFSIZ, pDepList); |
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if (lscp_client_call(pClient, pszQuery) == LSCP_OK) { |
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pszResult = lscp_client_get_result(pClient); |
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pszToken = lscp_strtok((char *) pszResult, pszSeps, &(pch)); |
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while (pszToken) { |
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if (strcasecmp(pszToken, "TYPE") == 0) { |
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pszToken = lscp_strtok(NULL, pszCrlf, &(pch)); |
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if (pszToken) { |
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pszToken = lscp_unquote(&pszToken, 0); |
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if (strcasecmp(pszToken, "BOOL") == 0) |
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pParamInfo->type = LSCP_TYPE_BOOL; |
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else if (strcasecmp(pszToken, "INT") == 0) |
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pParamInfo->type = LSCP_TYPE_INT; |
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else if (strcasecmp(pszToken, "FLOAT") == 0) |
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pParamInfo->type = LSCP_TYPE_FLOAT; |
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else if (strcasecmp(pszToken, "STRING") == 0) |
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pParamInfo->type = LSCP_TYPE_STRING; |
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} |
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} |
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else if (strcasecmp(pszToken, "DESCRIPTION") == 0) { |
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pszToken = lscp_strtok(NULL, pszCrlf, &(pch)); |
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if (pszToken) |
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pParamInfo->description = lscp_unquote(&pszToken, 1); |
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} |
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else if (strcasecmp(pszToken, "MANDATORY") == 0) { |
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pszToken = lscp_strtok(NULL, pszCrlf, &(pch)); |
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if (pszToken) |
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pParamInfo->mandatory = (strcasecmp(lscp_unquote(&pszToken, 0), "TRUE") == 0); |
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} |
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else if (strcasecmp(pszToken, "FIX") == 0) { |
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pszToken = lscp_strtok(NULL, pszCrlf, &(pch)); |
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if (pszToken) |
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pParamInfo->fix = (strcasecmp(lscp_unquote(&pszToken, 0), "TRUE") == 0); |
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} |
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else if (strcasecmp(pszToken, "MULTIPLICITY") == 0) { |
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pszToken = lscp_strtok(NULL, pszCrlf, &(pch)); |
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if (pszToken) |
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pParamInfo->multiplicity = (strcasecmp(lscp_unquote(&pszToken, 0), "TRUE") == 0); |
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} |
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else if (strcasecmp(pszToken, "DEPENDS") == 0) { |
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pszToken = lscp_strtok(NULL, pszCrlf, &(pch)); |
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if (pszToken) |
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pParamInfo->depends = lscp_szsplit_create(pszToken, ","); |
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} |
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else if (strcasecmp(pszToken, "DEFAULT") == 0) { |
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pszToken = lscp_strtok(NULL, pszCrlf, &(pch)); |
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if (pszToken) |
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pParamInfo->defaultv = lscp_unquote(&pszToken, 1); |
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} |
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else if (strcasecmp(pszToken, "RANGE_MIN") == 0) { |
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pszToken = lscp_strtok(NULL, pszCrlf, &(pch)); |
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if (pszToken) |
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pParamInfo->range_min = lscp_unquote(&pszToken, 1); |
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} |
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else if (strcasecmp(pszToken, "RANGE_MAX") == 0) { |
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pszToken = lscp_strtok(NULL, pszCrlf, &(pch)); |
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if (pszToken) |
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pParamInfo->range_max = lscp_unquote(&pszToken, 1); |
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} |
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else if (strcasecmp(pszToken, "POSSIBILITIES") == 0) { |
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pszToken = lscp_strtok(NULL, pszCrlf, &(pch)); |
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if (pszToken) |
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pParamInfo->possibilities = lscp_szsplit_create(pszToken, ","); |
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} |
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pszToken = lscp_strtok(NULL, pszSeps, &(pch)); |
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} |
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} |
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// Unlock this section down. |
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lscp_mutex_unlock(pClient->mutex); |
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return pParamInfo; |
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} |
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//------------------------------------------------------------------------- |
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// Audio driver control functions. |
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/** |
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* Getting all available audio output drivers. |
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* GET AVAILABLE_AUDIO_OUTPUT_DRIVERS |
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* |
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* @param pClient Pointer to client instance structure. |
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* |
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* @returns A NULL terminated array of audio output driver type |
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* name strings, or NULL in case of failure. |
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*/ |
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const char ** lscp_get_available_audio_drivers ( lscp_client_t *pClient ) |
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{ |
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const char *pszSeps = ","; |
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// Lock this section up. |
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lscp_mutex_lock(pClient->mutex); |
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if (pClient->audio_drivers) { |
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lscp_szsplit_destroy(pClient->audio_drivers); |
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pClient->audio_drivers = NULL; |
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} |
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if (lscp_client_call(pClient, "GET AVAILABLE_AUDIO_OUTPUT_DRIVERS\r\n") == LSCP_OK) |
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pClient->audio_drivers = lscp_szsplit_create(lscp_client_get_result(pClient), pszSeps); |
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// Unlock this section down. |
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lscp_mutex_unlock(pClient->mutex); |
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return (const char **) pClient->audio_drivers; |
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} |
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/** |
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* Getting informations about a specific audio output driver. |
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* GET AUDIO_OUTPUT_DRIVER INFO <audio-output-type> |
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* |
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* @param pClient Pointer to client instance structure. |
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* @param pszAudioDriver Audio driver type string (e.g. "ALSA"). |
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* |
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* @returns A pointer to a @ref lscp_driver_info_t structure, with |
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* the given audio driver information, or NULL in case of failure. |
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*/ |
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lscp_driver_info_t* lscp_get_audio_driver_info ( lscp_client_t *pClient, const char *pszAudioDriver ) |
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{ |
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char szQuery[LSCP_BUFSIZ]; |
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if (pszAudioDriver == NULL) |
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return NULL; |
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sprintf(szQuery, "GET AUDIO_OUTPUT_DRIVER INFO %s\r\n", pszAudioDriver); |
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return _lscp_driver_info_query(pClient, &(pClient->audio_info), szQuery); |
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} |
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/** |
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* Getting informations about specific audio output driver parameter. |
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* GET AUDIO_OUTPUT_DRIVER_PARAMETER INFO <audio-output-driver> <param> [<dep-list>] |
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* |
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* @param pClient Pointer to client instance structure. |
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* @param pszAudioDriver Audio driver type string (e.g. "ALSA"). |
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* @param pszParam Audio driver parameter name. |
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* @param pDepList Pointer to specific dependencies parameter list. |
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* |
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* @returns A pointer to a @ref lscp_param_info_t structure, with |
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* the given audio driver parameter information, or NULL in case of failure. |
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*/ |
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lscp_param_info_t *lscp_get_audio_driver_param_info ( lscp_client_t *pClient, const char *pszAudioDriver, const char *pszParam, lscp_param_t *pDepList ) |
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{ |
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char szQuery[LSCP_BUFSIZ]; |
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if (pClient == NULL) |
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return NULL; |
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if (pszAudioDriver == NULL) |
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return NULL; |
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if (pszParam == NULL) |
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return NULL; |
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sprintf(szQuery, "GET AUDIO_OUTPUT_DRIVER_PARAMETER INFO %s %s\r\n", pszAudioDriver, pszParam); |
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return _lscp_param_info_query(pClient, &(pClient->audio_param_info), szQuery, pDepList); |
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} |
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//------------------------------------------------------------------------- |
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// Audio device control functions. |
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/** |
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* Creating an audio output device. |
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* CREATE AUDIO_OUTPUT_DEVICE <audio-output-driver> [<params>] |
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* |
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* @param pClient Pointer to client instance structure. |
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* @param pszAudioDriver Audio driver type string (e.g. "ALSA"). |
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* @param pParams Pointer to specific parameter list. |
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* |
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* @returns The new audio device number identifier on success, |
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* or -1 in case of failure. |
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*/ |
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int lscp_create_audio_device ( lscp_client_t *pClient, const char *pszAudioDriver, lscp_param_t *pParams ) |
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{ |
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int iAudioDevice = -1; |
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if (pClient == NULL) |
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return -1; |
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if (pszAudioDriver == NULL) |
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return -1; |
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if (pParams == NULL) |
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return -1; |
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return iAudioDevice; |
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} |
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/** |
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* Destroying an audio output device. |
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* DESTROY AUDIO_OUTPUT_DEVICE <audio-device-id> |
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* |
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* @param pClient Pointer to client instance structure. |
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* @param iAudioDevice Audio device number identifier. |
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* |
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* @returns LSCP_OK on success, LSCP_FAILED otherwise. |
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*/ |
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lscp_status_t lscp_destroy_audio_device ( lscp_client_t *pClient, int iAudioDevice ) |
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{ |
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lscp_status_t ret = LSCP_FAILED; |
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if (pClient == NULL) |
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return ret; |
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if (iAudioDevice < 0) |
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return ret; |
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return ret; |
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} |
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/** |
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* Getting all created audio output device count. |
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* GET AUDIO_OUTPUT_DEVICES |
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* |
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* @param pClient Pointer to client instance structure. |
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* |
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* @returns The current total number of audio devices on success, |
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* -1 otherwise. |
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*/ |
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int lscp_get_audio_devices ( lscp_client_t *pClient ) |
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{ |
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int iAudioDevices = -1; |
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// Lock this section up. |
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lscp_mutex_lock(pClient->mutex); |
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if (lscp_client_call(pClient, "GET AUDIO_OUTPUT_DEVICES\r\n") == LSCP_OK) |
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iAudioDevices = atoi(lscp_client_get_result(pClient)); |
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// Unlock this section down. |
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lscp_mutex_unlock(pClient->mutex); |
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return iAudioDevices; |
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} |
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/** |
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* Getting all created audio output device list. |
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* LIST AUDIO_OUTPUT_DEVICES |
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* |
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* @param pClient Pointer to client instance structure. |
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* |
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* @returns An array of audio device number identifiers, |
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* terminated with -1 on success, or NULL in case of failure. |
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*/ |
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int *lscp_list_audio_devices ( lscp_client_t *pClient ) |
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{ |
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const char *pszSeps = ","; |
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|
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if (pClient == NULL) |
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return NULL; |
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|
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// Lock this section up. |
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lscp_mutex_lock(pClient->mutex); |
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if (pClient->audio_devices) { |
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lscp_isplit_destroy(pClient->audio_devices); |
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pClient->audio_devices = NULL; |
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} |
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if (lscp_client_call(pClient, "LIST AUDIO_OUTPUT_DEVICES\r\n") == LSCP_OK) |
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capela |
125 |
pClient->audio_devices = lscp_isplit_create(lscp_client_get_result(pClient), pszSeps); |
353 |
|
|
|
354 |
capela |
132 |
// Unlock this section down. |
355 |
|
|
lscp_mutex_unlock(pClient->mutex); |
356 |
|
|
|
357 |
capela |
125 |
return pClient->audio_devices; |
358 |
capela |
107 |
} |
359 |
|
|
|
360 |
|
|
|
361 |
|
|
/** |
362 |
|
|
* Getting current settings of an audio output device. |
363 |
|
|
* GET AUDIO_OUTPUT_DEVICE INFO <audio-device-id> |
364 |
|
|
* |
365 |
|
|
* @param pClient Pointer to client instance structure. |
366 |
|
|
* @param iAudioDevice Audio device number identifier. |
367 |
|
|
* |
368 |
|
|
* @returns A pointer to a @ref lscp_device_info_t structure, with |
369 |
|
|
* the given audio device information, or NULL in case of failure. |
370 |
|
|
*/ |
371 |
|
|
lscp_device_info_t *lscp_get_audio_device_info ( lscp_client_t *pClient, int iAudioDevice ) |
372 |
|
|
{ |
373 |
|
|
lscp_device_info_t *pDeviceInfo = NULL; |
374 |
|
|
|
375 |
|
|
if (pClient == NULL) |
376 |
|
|
return NULL; |
377 |
|
|
if (iAudioDevice < 0) |
378 |
|
|
return NULL; |
379 |
|
|
|
380 |
|
|
return pDeviceInfo; |
381 |
|
|
} |
382 |
|
|
|
383 |
|
|
|
384 |
|
|
/** |
385 |
|
|
* Changing settings of audio output devices. |
386 |
|
|
* SET AUDIO_OUTPUT_DEVICE_PARAMETER <audio-device-id> <param> <value> |
387 |
|
|
* |
388 |
|
|
* @param pClient Pointer to client instance structure. |
389 |
|
|
* @param iAudioDevice Audio device number identifier. |
390 |
|
|
* @param pParam Pointer to a key-valued audio device parameter. |
391 |
|
|
* |
392 |
|
|
* @returns LSCP_OK on success, LSCP_FAILED otherwise. |
393 |
|
|
*/ |
394 |
|
|
lscp_status_t lscp_set_audio_device_param ( lscp_client_t *pClient, int iAudioDevice, lscp_param_t *pParam ) |
395 |
|
|
{ |
396 |
|
|
lscp_status_t ret = LSCP_FAILED; |
397 |
|
|
|
398 |
|
|
if (pClient == NULL) |
399 |
|
|
return ret; |
400 |
|
|
if (iAudioDevice < 0) |
401 |
|
|
return ret; |
402 |
|
|
if (pParam == NULL) |
403 |
|
|
return ret; |
404 |
|
|
|
405 |
|
|
return ret; |
406 |
|
|
} |
407 |
|
|
|
408 |
|
|
|
409 |
|
|
/** |
410 |
|
|
* Getting informations about an audio channel. |
411 |
|
|
* GET AUDIO_OUTPUT_CHANNEL INFO <audio-device-id> <audio-channel> |
412 |
|
|
* |
413 |
|
|
* @param pClient Pointer to client instance structure. |
414 |
|
|
* @param iAudioDevice Audio device number identifier. |
415 |
|
|
* @param iAudioChannel Audio channel number. |
416 |
|
|
* |
417 |
|
|
* @returns A pointer to a @ref lscp_device_channel_info_t structure, |
418 |
|
|
* with the given audio channel information, or NULL in case of failure. |
419 |
|
|
*/ |
420 |
|
|
lscp_device_channel_info_t* lscp_get_audio_channel_info ( lscp_client_t *pClient, int iAudioDevice, int iAudioChannel ) |
421 |
|
|
{ |
422 |
|
|
lscp_device_channel_info_t *pDevChannelInfo = NULL; |
423 |
|
|
|
424 |
|
|
if (pClient == NULL) |
425 |
|
|
return NULL; |
426 |
|
|
if (iAudioDevice < 0) |
427 |
|
|
return NULL; |
428 |
|
|
if (iAudioChannel < 0) |
429 |
|
|
return NULL; |
430 |
|
|
|
431 |
|
|
return pDevChannelInfo; |
432 |
|
|
} |
433 |
|
|
|
434 |
|
|
|
435 |
|
|
/** |
436 |
|
|
* Getting informations about specific audio channel parameter. |
437 |
|
|
* GET AUDIO_OUTPUT_CHANNEL_PARAMETER INFO <audio-device-id> <audio-channel> <param> |
438 |
|
|
* |
439 |
|
|
* @param pClient Pointer to client instance structure. |
440 |
|
|
* @param iAudioDevice Audio device number identifier. |
441 |
|
|
* @param iAudioChannel Audio channel number. |
442 |
|
|
* @param pszParam Audio channel parameter name. |
443 |
|
|
* |
444 |
|
|
* @returns A pointer to a @ref lscp_param_info_t structure, with |
445 |
|
|
* the given audio channel parameter information, or NULL in case of failure. |
446 |
|
|
*/ |
447 |
|
|
lscp_param_info_t* lscp_get_audio_channel_param_info ( lscp_client_t *pClient, int iAudioDevice, int iAudioChannel, const char *pszParam ) |
448 |
|
|
{ |
449 |
|
|
lscp_param_info_t *pParamInfo = NULL; |
450 |
|
|
|
451 |
|
|
if (pClient == NULL) |
452 |
|
|
return NULL; |
453 |
|
|
if (iAudioDevice < 0) |
454 |
|
|
return NULL; |
455 |
|
|
if (iAudioChannel < 0) |
456 |
|
|
return NULL; |
457 |
|
|
if (pszParam == NULL) |
458 |
|
|
return NULL; |
459 |
|
|
|
460 |
|
|
return pParamInfo; |
461 |
|
|
} |
462 |
|
|
|
463 |
|
|
|
464 |
|
|
/** |
465 |
|
|
* Changing settings of audio output channels. |
466 |
|
|
* SET AUDIO_OUTPUT_CHANNEL_PARAMETER <audio-device-id> <audio-channel> <param> <value> |
467 |
|
|
* |
468 |
|
|
* @param pClient Pointer to client instance structure. |
469 |
|
|
* @param iAudioDevice Audio device number identifier. |
470 |
|
|
* @param iAudioChannel Audio channel number. |
471 |
|
|
* @param pParam Pointer to a key-valued audio channel parameter. |
472 |
|
|
* |
473 |
|
|
* @returns LSCP_OK on success, LSCP_FAILED otherwise. |
474 |
|
|
*/ |
475 |
|
|
lscp_status_t lscp_set_audio_channel_param ( lscp_client_t *pClient, int iAudioDevice, int iAudioChannel, lscp_param_t *pParam ) |
476 |
|
|
{ |
477 |
|
|
lscp_status_t ret = LSCP_FAILED; |
478 |
|
|
|
479 |
|
|
if (pClient == NULL) |
480 |
|
|
return ret; |
481 |
|
|
if (iAudioDevice < 0) |
482 |
|
|
return ret; |
483 |
|
|
if (iAudioChannel < 0) |
484 |
|
|
return ret; |
485 |
|
|
if (pParam == NULL) |
486 |
|
|
return ret; |
487 |
|
|
|
488 |
|
|
return ret; |
489 |
|
|
} |
490 |
|
|
|
491 |
|
|
|
492 |
|
|
//------------------------------------------------------------------------- |
493 |
|
|
// MIDI driver control functions. |
494 |
|
|
|
495 |
|
|
/** |
496 |
|
|
* Getting all available MIDI input drivers. |
497 |
|
|
* GET AVAILABLE_MIDI_INPUT_DRIVERS |
498 |
|
|
* |
499 |
|
|
* @param pClient Pointer to client instance structure. |
500 |
|
|
* |
501 |
|
|
* @returns A NULL terminated array of MIDI input driver type |
502 |
|
|
* name strings, or NULL in case of failure. |
503 |
|
|
*/ |
504 |
|
|
const char** lscp_get_available_midi_drivers ( lscp_client_t *pClient ) |
505 |
|
|
{ |
506 |
|
|
const char *pszSeps = ","; |
507 |
|
|
|
508 |
capela |
132 |
// Lock this section up. |
509 |
|
|
lscp_mutex_lock(pClient->mutex); |
510 |
|
|
|
511 |
capela |
107 |
if (pClient->midi_drivers) { |
512 |
|
|
lscp_szsplit_destroy(pClient->midi_drivers); |
513 |
|
|
pClient->midi_drivers = NULL; |
514 |
|
|
} |
515 |
|
|
|
516 |
capela |
132 |
if (lscp_client_call(pClient, "GET AVAILABLE_MIDI_INPUT_DRIVERS\r\n") == LSCP_OK) |
517 |
capela |
107 |
pClient->midi_drivers = lscp_szsplit_create(lscp_client_get_result(pClient), pszSeps); |
518 |
|
|
|
519 |
capela |
132 |
// Unlock this section up. |
520 |
|
|
lscp_mutex_unlock(pClient->mutex); |
521 |
|
|
|
522 |
capela |
107 |
return (const char **) pClient->midi_drivers; |
523 |
|
|
} |
524 |
|
|
|
525 |
|
|
|
526 |
|
|
/** |
527 |
|
|
* Getting informations about a specific MIDI input driver. |
528 |
|
|
* GET MIDI_INPUT_DRIVER INFO <midi-input-type> |
529 |
|
|
* |
530 |
|
|
* @param pClient Pointer to client instance structure. |
531 |
|
|
* @param pszMidiDriver MIDI driver type string (e.g. "ALSA"). |
532 |
|
|
* |
533 |
|
|
* @returns A pointer to a @ref lscp_driver_info_t structure, with |
534 |
|
|
* the given MIDI driver information, or NULL in case of failure. |
535 |
|
|
*/ |
536 |
|
|
lscp_driver_info_t* lscp_get_midi_driver_info ( lscp_client_t *pClient, const char *pszMidiDriver ) |
537 |
|
|
{ |
538 |
|
|
char szQuery[LSCP_BUFSIZ]; |
539 |
|
|
|
540 |
|
|
if (pszMidiDriver == NULL) |
541 |
|
|
return NULL; |
542 |
|
|
|
543 |
|
|
sprintf(szQuery, "GET MIDI_INPUT_DRIVER INFO %s\r\n", pszMidiDriver); |
544 |
|
|
return _lscp_driver_info_query(pClient, &(pClient->midi_info), szQuery); |
545 |
|
|
} |
546 |
|
|
|
547 |
|
|
|
548 |
|
|
/** |
549 |
|
|
* Getting informations about specific MIDI input driver parameter. |
550 |
|
|
* GET MIDI_INPUT_DRIVER_PARAMETER INFO <midi-input-driver> <param> [<dep-list>] |
551 |
|
|
* |
552 |
|
|
* @param pClient Pointer to client instance structure. |
553 |
|
|
* @param pszMidiDriver MIDI driver type string (e.g. "ALSA"). |
554 |
|
|
* @param pszParam MIDI driver parameter name. |
555 |
|
|
* @param pDepList Pointer to specific dependencies parameter list. |
556 |
|
|
* |
557 |
|
|
* @returns A pointer to a @ref lscp_param_info_t structure, with |
558 |
|
|
* the given MIDI driver parameter information, or NULL in case of failure. |
559 |
|
|
* |
560 |
|
|
* @returns LSCP_OK on success, LSCP_FAILED otherwise. |
561 |
|
|
*/ |
562 |
|
|
lscp_param_info_t *lscp_get_midi_driver_param_info ( lscp_client_t *pClient, const char *pszMidiDriver, const char *pszParam, lscp_param_t *pDepList ) |
563 |
|
|
{ |
564 |
capela |
163 |
char szQuery[LSCP_BUFSIZ]; |
565 |
capela |
107 |
|
566 |
|
|
if (pClient == NULL) |
567 |
|
|
return NULL; |
568 |
|
|
if (pszMidiDriver == NULL) |
569 |
|
|
return NULL; |
570 |
|
|
if (pszParam == NULL) |
571 |
|
|
return NULL; |
572 |
|
|
|
573 |
capela |
163 |
sprintf(szQuery, "GET MIDI_INPUT_DRIVER_PARAMETER INFO %s %s\r\n", pszMidiDriver, pszParam); |
574 |
|
|
return _lscp_param_info_query(pClient, &(pClient->midi_param_info), szQuery, pDepList); |
575 |
capela |
107 |
} |
576 |
|
|
|
577 |
|
|
|
578 |
|
|
//------------------------------------------------------------------------- |
579 |
|
|
// MIDI device control functions. |
580 |
|
|
|
581 |
|
|
/** |
582 |
|
|
* Creating a MIDI input device. |
583 |
|
|
* CREATE MIDI_INPUT_DEVICE <midi-input-driver> [<params>] |
584 |
|
|
* |
585 |
|
|
* @param pClient Pointer to client instance structure. |
586 |
|
|
* @param pszMidiDriver MIDI driver type string (e.g. "ALSA"). |
587 |
|
|
* @param pParams Pointer to specific parameter list. |
588 |
|
|
* |
589 |
|
|
* @returns The new audio device number identifier on success, |
590 |
|
|
* or -1 in case of failure. |
591 |
|
|
*/ |
592 |
|
|
int lscp_create_midi_device ( lscp_client_t *pClient, const char *pszMidiDriver, lscp_param_t *pParams ) |
593 |
|
|
{ |
594 |
|
|
int iMidiDevice = -1; |
595 |
|
|
|
596 |
|
|
if (pClient == NULL) |
597 |
|
|
return -1; |
598 |
|
|
if (pszMidiDriver == NULL) |
599 |
|
|
return -1; |
600 |
|
|
if (pParams == NULL) |
601 |
|
|
return -1; |
602 |
|
|
|
603 |
|
|
return iMidiDevice; |
604 |
|
|
} |
605 |
|
|
|
606 |
|
|
|
607 |
|
|
/** |
608 |
|
|
* Destroying a MIDI input device. |
609 |
|
|
* DESTROY MIDI_INPUT_DEVICE <midi-device-id> |
610 |
|
|
* |
611 |
|
|
* @param pClient Pointer to client instance structure. |
612 |
|
|
* @param iMidiDevice MIDI device number identifier. |
613 |
|
|
* |
614 |
|
|
* @returns LSCP_OK on success, LSCP_FAILED otherwise. |
615 |
|
|
*/ |
616 |
|
|
lscp_status_t lscp_destroy_midi_device ( lscp_client_t *pClient, int iMidiDevice ) |
617 |
|
|
{ |
618 |
|
|
lscp_status_t ret = LSCP_FAILED; |
619 |
|
|
|
620 |
|
|
if (pClient == NULL) |
621 |
|
|
return ret; |
622 |
|
|
if (iMidiDevice < 0) |
623 |
|
|
return ret; |
624 |
|
|
|
625 |
|
|
return ret; |
626 |
|
|
} |
627 |
|
|
|
628 |
|
|
|
629 |
|
|
/** |
630 |
capela |
125 |
* Getting all created MIDI intput device count. |
631 |
capela |
107 |
* GET MIDI_INPUT_DEVICES |
632 |
|
|
* |
633 |
|
|
* @param pClient Pointer to client instance structure. |
634 |
|
|
* |
635 |
capela |
125 |
* @returns The current total number of MIDI devices on success, |
636 |
|
|
* -1 otherwise. |
637 |
|
|
*/ |
638 |
|
|
int lscp_get_midi_devices ( lscp_client_t *pClient ) |
639 |
|
|
{ |
640 |
|
|
int iMidiDevices = -1; |
641 |
capela |
132 |
|
642 |
|
|
// Lock this section up. |
643 |
|
|
lscp_mutex_lock(pClient->mutex); |
644 |
|
|
|
645 |
|
|
if (lscp_client_call(pClient, "GET MIDI_INPUT_DEVICES\r\n") == LSCP_OK) |
646 |
capela |
125 |
iMidiDevices = atoi(lscp_client_get_result(pClient)); |
647 |
capela |
132 |
|
648 |
|
|
// Unlock this section down. |
649 |
|
|
lscp_mutex_unlock(pClient->mutex); |
650 |
|
|
|
651 |
capela |
125 |
return iMidiDevices; |
652 |
|
|
} |
653 |
|
|
|
654 |
|
|
|
655 |
|
|
/** |
656 |
|
|
* Getting all created MIDI intput device list. |
657 |
|
|
* LIST MIDI_INPUT_DEVICES |
658 |
|
|
* |
659 |
|
|
* @param pClient Pointer to client instance structure. |
660 |
|
|
* |
661 |
capela |
107 |
* @returns An array of MIDI device number identifiers, |
662 |
|
|
* terminated with -1 on success, or NULL in case of failure. |
663 |
|
|
*/ |
664 |
capela |
125 |
int *lscp_list_midi_devices ( lscp_client_t *pClient ) |
665 |
capela |
107 |
{ |
666 |
capela |
125 |
const char *pszSeps = ","; |
667 |
capela |
107 |
|
668 |
|
|
if (pClient == NULL) |
669 |
|
|
return NULL; |
670 |
|
|
|
671 |
capela |
132 |
// Lock this section up. |
672 |
|
|
lscp_mutex_lock(pClient->mutex); |
673 |
|
|
|
674 |
capela |
125 |
if (pClient->midi_devices) { |
675 |
|
|
lscp_isplit_destroy(pClient->midi_devices); |
676 |
|
|
pClient->midi_devices = NULL; |
677 |
|
|
} |
678 |
|
|
|
679 |
capela |
132 |
if (lscp_client_call(pClient, "LIST MIDI_INPUT_DEVICES\r\n") == LSCP_OK) |
680 |
capela |
125 |
pClient->midi_devices = lscp_isplit_create(lscp_client_get_result(pClient), pszSeps); |
681 |
|
|
|
682 |
capela |
132 |
// Unlock this section down. |
683 |
|
|
lscp_mutex_unlock(pClient->mutex); |
684 |
|
|
|
685 |
capela |
125 |
return pClient->midi_devices; |
686 |
capela |
107 |
} |
687 |
|
|
|
688 |
|
|
|
689 |
|
|
/** |
690 |
|
|
* Getting current settings of a MIDI input device. |
691 |
|
|
* GET MIDI_INPUT_DEVICE INFO <midi-device-id> |
692 |
|
|
* |
693 |
|
|
* @param pClient Pointer to client instance structure. |
694 |
|
|
* @param iMidiDevice MIDI device number identifier. |
695 |
|
|
* |
696 |
|
|
* @returns A pointer to a @ref lscp_device_info_t structure, with |
697 |
|
|
* the given MIDI device information, or NULL in case of failure. |
698 |
|
|
*/ |
699 |
|
|
lscp_device_info_t* lscp_get_midi_device_info ( lscp_client_t *pClient, int iMidiDevice ) |
700 |
|
|
{ |
701 |
|
|
lscp_device_info_t *pDeviceInfo = NULL; |
702 |
|
|
|
703 |
|
|
if (pClient == NULL) |
704 |
|
|
return NULL; |
705 |
|
|
if (iMidiDevice < 0) |
706 |
|
|
return NULL; |
707 |
|
|
|
708 |
|
|
return pDeviceInfo; |
709 |
|
|
} |
710 |
|
|
|
711 |
|
|
|
712 |
|
|
/** |
713 |
|
|
* Changing settings of MIDI input devices. |
714 |
|
|
* SET MIDI_INPUT_DEVICE_PARAMETER <midi-device-id> <param> <value> |
715 |
|
|
* |
716 |
|
|
* @param pClient Pointer to client instance structure. |
717 |
|
|
* @param iMidiDevice MIDI device number identifier. |
718 |
|
|
* @param pParam Pointer to a key-valued MIDI device parameter. |
719 |
|
|
* |
720 |
|
|
* @returns LSCP_OK on success, LSCP_FAILED otherwise. |
721 |
|
|
*/ |
722 |
|
|
lscp_status_t lscp_set_midi_device_param ( lscp_client_t *pClient, int iMidiDevice, lscp_param_t *pParam ) |
723 |
|
|
{ |
724 |
|
|
lscp_status_t ret = LSCP_FAILED; |
725 |
|
|
|
726 |
|
|
if (pClient == NULL) |
727 |
|
|
return ret; |
728 |
|
|
if (iMidiDevice < 0) |
729 |
|
|
return ret; |
730 |
|
|
if (pParam == NULL) |
731 |
|
|
return ret; |
732 |
|
|
|
733 |
|
|
return ret; |
734 |
|
|
} |
735 |
|
|
|
736 |
|
|
|
737 |
|
|
/** |
738 |
|
|
* Getting informations about a MIDI port. |
739 |
|
|
* GET MIDI_INPUT_PORT INFO <midi-device-id> <midi-port> |
740 |
|
|
* |
741 |
|
|
* @param pClient Pointer to client instance structure. |
742 |
|
|
* @param iMidiDevice MIDI device number identifier. |
743 |
|
|
* @param iMidiPort MIDI port number. |
744 |
|
|
* |
745 |
|
|
* @returns A pointer to a @ref lscp_device_channel_info_t structure, |
746 |
|
|
* with the given MIDI port information, or NULL in case of failure. |
747 |
|
|
*/ |
748 |
|
|
lscp_device_channel_info_t* lscp_get_midi_port_info ( lscp_client_t *pClient, int iMidiDevice, int iMidiPort ) |
749 |
|
|
{ |
750 |
|
|
lscp_device_channel_info_t *pDevChannelInfo = NULL; |
751 |
|
|
|
752 |
|
|
if (pClient == NULL) |
753 |
|
|
return NULL; |
754 |
|
|
if (iMidiDevice < 0) |
755 |
|
|
return NULL; |
756 |
|
|
if (iMidiPort < 0) |
757 |
|
|
return NULL; |
758 |
|
|
|
759 |
|
|
return pDevChannelInfo; |
760 |
|
|
} |
761 |
|
|
|
762 |
|
|
|
763 |
|
|
/** |
764 |
|
|
* Getting informations about specific MIDI port parameter. |
765 |
|
|
* GET MIDI_INPUT_PORT_PARAMETER INFO <midi-device-id> <midi-port> <param> |
766 |
|
|
* |
767 |
|
|
* @param pClient Pointer to client instance structure. |
768 |
|
|
* @param iMidiDevice MIDI device number identifier. |
769 |
|
|
* @param iMidiPort MIDI port number. |
770 |
|
|
* @param pszParam MIDI port parameter name. |
771 |
|
|
* |
772 |
|
|
* @returns A pointer to a @ref lscp_param_info_t structure, with |
773 |
|
|
* the given MIDI port parameter information, or NULL in case of failure. |
774 |
|
|
*/ |
775 |
|
|
lscp_param_info_t* lscp_get_midi_port_param_info ( lscp_client_t *pClient, int iMidiDevice, int iMidiPort, const char *pszParam ) |
776 |
|
|
{ |
777 |
|
|
lscp_param_info_t *pParamInfo = NULL; |
778 |
|
|
|
779 |
|
|
if (pClient == NULL) |
780 |
|
|
return NULL; |
781 |
|
|
if (iMidiDevice < 0) |
782 |
|
|
return NULL; |
783 |
|
|
if (iMidiPort < 0) |
784 |
|
|
return NULL; |
785 |
|
|
if (pszParam == NULL) |
786 |
|
|
return NULL; |
787 |
|
|
|
788 |
|
|
return pParamInfo; |
789 |
|
|
} |
790 |
|
|
|
791 |
|
|
|
792 |
|
|
/** |
793 |
|
|
* Changing settings of MIDI input ports. |
794 |
|
|
* SET MIDI_INPUT_PORT_PARAMETER <midi-device-id> <midi-port> <param> <value> |
795 |
|
|
* |
796 |
|
|
* @param pClient Pointer to client instance structure. |
797 |
|
|
* @param iMidiDevice MIDI device number identifier. |
798 |
|
|
* @param iMidiPort MIDI port number. |
799 |
|
|
* @param pParam Pointer to a key-valued MIDI port parameter. |
800 |
|
|
* |
801 |
|
|
* @returns LSCP_OK on success, LSCP_FAILED otherwise. |
802 |
|
|
*/ |
803 |
|
|
lscp_status_t lscp_set_midi_port_param ( lscp_client_t *pClient, int iMidiDevice, int iMidiPort, lscp_param_t *pParam ) |
804 |
|
|
{ |
805 |
|
|
lscp_status_t ret = LSCP_FAILED; |
806 |
|
|
|
807 |
|
|
if (pClient == NULL) |
808 |
|
|
return ret; |
809 |
|
|
if (iMidiDevice < 0) |
810 |
|
|
return ret; |
811 |
|
|
if (iMidiPort < 0) |
812 |
|
|
return ret; |
813 |
|
|
if (pParam == NULL) |
814 |
|
|
return ret; |
815 |
|
|
|
816 |
|
|
return ret; |
817 |
|
|
} |
818 |
|
|
|
819 |
|
|
// end of device.c |
820 |
|
|
|