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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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|
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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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|
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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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|
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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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*****************************************************************************/ |
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|
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#include "common.h" |
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|
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|
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// Local prototypes. |
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|
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static lscp_driver_info_t *_lscp_driver_info_query (lscp_client_t *pClient, lscp_driver_info_t *pDriverInfo, const char *pszQuery); |
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|
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|
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//------------------------------------------------------------------------- |
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// Local funtions. |
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|
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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, const 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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|
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// Lock this section up. |
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lscp_mutex_lock(pClient->mutex); |
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|
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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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|
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// Unlock this section down. |
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lscp_mutex_unlock(pClient->mutex); |
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|
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return pDriverInfo; |
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} |
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|
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|
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//------------------------------------------------------------------------- |
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// Audio driver control functions. |
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|
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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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|
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// Lock this section up. |
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lscp_mutex_lock(pClient->mutex); |
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|
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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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|
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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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|
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// Unlock this section down. |
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lscp_mutex_unlock(pClient->mutex); |
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|
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return (const char **) pClient->audio_drivers; |
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} |
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|
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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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|
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if (pszAudioDriver == NULL) |
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return NULL; |
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|
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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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|
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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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lscp_param_info_t *pParamInfo = NULL; |
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|
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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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if (pDepList == NULL) |
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return NULL; |
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|
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return pParamInfo; |
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} |
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|
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|
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//------------------------------------------------------------------------- |
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// Audio device control functions. |
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|
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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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|
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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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|
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return iAudioDevice; |
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} |
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|
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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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|
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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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|
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return ret; |
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} |
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|
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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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|
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// Lock this section up. |
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lscp_mutex_lock(pClient->mutex); |
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|
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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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|
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// Unlock this section down. |
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lscp_mutex_unlock(pClient->mutex); |
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|
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return iAudioDevices; |
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} |
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|
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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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|
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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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|
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if (lscp_client_call(pClient, "LIST AUDIO_OUTPUT_DEVICES\r\n") == LSCP_OK) |
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pClient->audio_devices = lscp_isplit_create(lscp_client_get_result(pClient), pszSeps); |
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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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|
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return pClient->audio_devices; |
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} |
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|
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|
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/** |
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* Getting current settings of an audio output device. |
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* GET AUDIO_OUTPUT_DEVICE INFO <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 A pointer to a @ref lscp_device_info_t structure, with |
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* the given audio device information, or NULL in case of failure. |
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*/ |
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lscp_device_info_t *lscp_get_audio_device_info ( lscp_client_t *pClient, int iAudioDevice ) |
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{ |
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lscp_device_info_t *pDeviceInfo = NULL; |
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|
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if (pClient == NULL) |
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return NULL; |
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if (iAudioDevice < 0) |
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return NULL; |
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|
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return pDeviceInfo; |
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} |
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|
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|
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/** |
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* Changing settings of audio output devices. |
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* SET AUDIO_OUTPUT_DEVICE_PARAMETER <audio-device-id> <param> <value> |
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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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* @param pParam Pointer to a key-valued audio device parameter. |
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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_set_audio_device_param ( lscp_client_t *pClient, int iAudioDevice, lscp_param_t *pParam ) |
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{ |
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lscp_status_t ret = LSCP_FAILED; |
309 |
|
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if (pClient == NULL) |
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return ret; |
312 |
if (iAudioDevice < 0) |
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return ret; |
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if (pParam == NULL) |
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return ret; |
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|
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return ret; |
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} |
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|
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|
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/** |
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* Getting informations about an audio channel. |
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* GET AUDIO_OUTPUT_CHANNEL INFO <audio-device-id> <audio-channel> |
324 |
* |
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* @param pClient Pointer to client instance structure. |
326 |
* @param iAudioDevice Audio device number identifier. |
327 |
* @param iAudioChannel Audio channel number. |
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* |
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* @returns A pointer to a @ref lscp_device_channel_info_t structure, |
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* with the given audio channel information, or NULL in case of failure. |
331 |
*/ |
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lscp_device_channel_info_t* lscp_get_audio_channel_info ( lscp_client_t *pClient, int iAudioDevice, int iAudioChannel ) |
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{ |
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lscp_device_channel_info_t *pDevChannelInfo = NULL; |
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|
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if (pClient == NULL) |
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return NULL; |
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if (iAudioDevice < 0) |
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return NULL; |
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if (iAudioChannel < 0) |
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return NULL; |
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|
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return pDevChannelInfo; |
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} |
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|
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|
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/** |
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* Getting informations about specific audio channel parameter. |
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* GET AUDIO_OUTPUT_CHANNEL_PARAMETER INFO <audio-device-id> <audio-channel> <param> |
350 |
* |
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* @param pClient Pointer to client instance structure. |
352 |
* @param iAudioDevice Audio device number identifier. |
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* @param iAudioChannel Audio channel number. |
354 |
* @param pszParam Audio channel parameter name. |
355 |
* |
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* @returns A pointer to a @ref lscp_param_info_t structure, with |
357 |
* the given audio channel parameter information, or NULL in case of failure. |
358 |
*/ |
359 |
lscp_param_info_t* lscp_get_audio_channel_param_info ( lscp_client_t *pClient, int iAudioDevice, int iAudioChannel, const char *pszParam ) |
360 |
{ |
361 |
lscp_param_info_t *pParamInfo = NULL; |
362 |
|
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if (pClient == NULL) |
364 |
return NULL; |
365 |
if (iAudioDevice < 0) |
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return NULL; |
367 |
if (iAudioChannel < 0) |
368 |
return NULL; |
369 |
if (pszParam == NULL) |
370 |
return NULL; |
371 |
|
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return pParamInfo; |
373 |
} |
374 |
|
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|
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/** |
377 |
* Changing settings of audio output channels. |
378 |
* SET AUDIO_OUTPUT_CHANNEL_PARAMETER <audio-device-id> <audio-channel> <param> <value> |
379 |
* |
380 |
* @param pClient Pointer to client instance structure. |
381 |
* @param iAudioDevice Audio device number identifier. |
382 |
* @param iAudioChannel Audio channel number. |
383 |
* @param pParam Pointer to a key-valued audio channel parameter. |
384 |
* |
385 |
* @returns LSCP_OK on success, LSCP_FAILED otherwise. |
386 |
*/ |
387 |
lscp_status_t lscp_set_audio_channel_param ( lscp_client_t *pClient, int iAudioDevice, int iAudioChannel, lscp_param_t *pParam ) |
388 |
{ |
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lscp_status_t ret = LSCP_FAILED; |
390 |
|
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if (pClient == NULL) |
392 |
return ret; |
393 |
if (iAudioDevice < 0) |
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return ret; |
395 |
if (iAudioChannel < 0) |
396 |
return ret; |
397 |
if (pParam == NULL) |
398 |
return ret; |
399 |
|
400 |
return ret; |
401 |
} |
402 |
|
403 |
|
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//------------------------------------------------------------------------- |
405 |
// MIDI driver control functions. |
406 |
|
407 |
/** |
408 |
* Getting all available MIDI input drivers. |
409 |
* GET AVAILABLE_MIDI_INPUT_DRIVERS |
410 |
* |
411 |
* @param pClient Pointer to client instance structure. |
412 |
* |
413 |
* @returns A NULL terminated array of MIDI input driver type |
414 |
* name strings, or NULL in case of failure. |
415 |
*/ |
416 |
const char** lscp_get_available_midi_drivers ( lscp_client_t *pClient ) |
417 |
{ |
418 |
const char *pszSeps = ","; |
419 |
|
420 |
// Lock this section up. |
421 |
lscp_mutex_lock(pClient->mutex); |
422 |
|
423 |
if (pClient->midi_drivers) { |
424 |
lscp_szsplit_destroy(pClient->midi_drivers); |
425 |
pClient->midi_drivers = NULL; |
426 |
} |
427 |
|
428 |
if (lscp_client_call(pClient, "GET AVAILABLE_MIDI_INPUT_DRIVERS\r\n") == LSCP_OK) |
429 |
pClient->midi_drivers = lscp_szsplit_create(lscp_client_get_result(pClient), pszSeps); |
430 |
|
431 |
// Unlock this section up. |
432 |
lscp_mutex_unlock(pClient->mutex); |
433 |
|
434 |
return (const char **) pClient->midi_drivers; |
435 |
} |
436 |
|
437 |
|
438 |
/** |
439 |
* Getting informations about a specific MIDI input driver. |
440 |
* GET MIDI_INPUT_DRIVER INFO <midi-input-type> |
441 |
* |
442 |
* @param pClient Pointer to client instance structure. |
443 |
* @param pszMidiDriver MIDI driver type string (e.g. "ALSA"). |
444 |
* |
445 |
* @returns A pointer to a @ref lscp_driver_info_t structure, with |
446 |
* the given MIDI driver information, or NULL in case of failure. |
447 |
*/ |
448 |
lscp_driver_info_t* lscp_get_midi_driver_info ( lscp_client_t *pClient, const char *pszMidiDriver ) |
449 |
{ |
450 |
char szQuery[LSCP_BUFSIZ]; |
451 |
|
452 |
if (pszMidiDriver == NULL) |
453 |
return NULL; |
454 |
|
455 |
sprintf(szQuery, "GET MIDI_INPUT_DRIVER INFO %s\r\n", pszMidiDriver); |
456 |
return _lscp_driver_info_query(pClient, &(pClient->midi_info), szQuery); |
457 |
} |
458 |
|
459 |
|
460 |
/** |
461 |
* Getting informations about specific MIDI input driver parameter. |
462 |
* GET MIDI_INPUT_DRIVER_PARAMETER INFO <midi-input-driver> <param> [<dep-list>] |
463 |
* |
464 |
* @param pClient Pointer to client instance structure. |
465 |
* @param pszMidiDriver MIDI driver type string (e.g. "ALSA"). |
466 |
* @param pszParam MIDI driver parameter name. |
467 |
* @param pDepList Pointer to specific dependencies parameter list. |
468 |
* |
469 |
* @returns A pointer to a @ref lscp_param_info_t structure, with |
470 |
* the given MIDI driver parameter information, or NULL in case of failure. |
471 |
* |
472 |
* @returns LSCP_OK on success, LSCP_FAILED otherwise. |
473 |
*/ |
474 |
lscp_param_info_t *lscp_get_midi_driver_param_info ( lscp_client_t *pClient, const char *pszMidiDriver, const char *pszParam, lscp_param_t *pDepList ) |
475 |
{ |
476 |
lscp_param_info_t *pParamInfo = NULL; |
477 |
|
478 |
if (pClient == NULL) |
479 |
return NULL; |
480 |
if (pszMidiDriver == NULL) |
481 |
return NULL; |
482 |
if (pszParam == NULL) |
483 |
return NULL; |
484 |
if (pDepList == NULL) |
485 |
return NULL; |
486 |
|
487 |
return pParamInfo; |
488 |
} |
489 |
|
490 |
|
491 |
//------------------------------------------------------------------------- |
492 |
// MIDI device control functions. |
493 |
|
494 |
/** |
495 |
* Creating a MIDI input device. |
496 |
* CREATE MIDI_INPUT_DEVICE <midi-input-driver> [<params>] |
497 |
* |
498 |
* @param pClient Pointer to client instance structure. |
499 |
* @param pszMidiDriver MIDI driver type string (e.g. "ALSA"). |
500 |
* @param pParams Pointer to specific parameter list. |
501 |
* |
502 |
* @returns The new audio device number identifier on success, |
503 |
* or -1 in case of failure. |
504 |
*/ |
505 |
int lscp_create_midi_device ( lscp_client_t *pClient, const char *pszMidiDriver, lscp_param_t *pParams ) |
506 |
{ |
507 |
int iMidiDevice = -1; |
508 |
|
509 |
if (pClient == NULL) |
510 |
return -1; |
511 |
if (pszMidiDriver == NULL) |
512 |
return -1; |
513 |
if (pParams == NULL) |
514 |
return -1; |
515 |
|
516 |
return iMidiDevice; |
517 |
} |
518 |
|
519 |
|
520 |
/** |
521 |
* Destroying a MIDI input device. |
522 |
* DESTROY MIDI_INPUT_DEVICE <midi-device-id> |
523 |
* |
524 |
* @param pClient Pointer to client instance structure. |
525 |
* @param iMidiDevice MIDI device number identifier. |
526 |
* |
527 |
* @returns LSCP_OK on success, LSCP_FAILED otherwise. |
528 |
*/ |
529 |
lscp_status_t lscp_destroy_midi_device ( lscp_client_t *pClient, int iMidiDevice ) |
530 |
{ |
531 |
lscp_status_t ret = LSCP_FAILED; |
532 |
|
533 |
if (pClient == NULL) |
534 |
return ret; |
535 |
if (iMidiDevice < 0) |
536 |
return ret; |
537 |
|
538 |
return ret; |
539 |
} |
540 |
|
541 |
|
542 |
/** |
543 |
* Getting all created MIDI intput device count. |
544 |
* GET MIDI_INPUT_DEVICES |
545 |
* |
546 |
* @param pClient Pointer to client instance structure. |
547 |
* |
548 |
* @returns The current total number of MIDI devices on success, |
549 |
* -1 otherwise. |
550 |
*/ |
551 |
int lscp_get_midi_devices ( lscp_client_t *pClient ) |
552 |
{ |
553 |
int iMidiDevices = -1; |
554 |
|
555 |
// Lock this section up. |
556 |
lscp_mutex_lock(pClient->mutex); |
557 |
|
558 |
if (lscp_client_call(pClient, "GET MIDI_INPUT_DEVICES\r\n") == LSCP_OK) |
559 |
iMidiDevices = atoi(lscp_client_get_result(pClient)); |
560 |
|
561 |
// Unlock this section down. |
562 |
lscp_mutex_unlock(pClient->mutex); |
563 |
|
564 |
return iMidiDevices; |
565 |
} |
566 |
|
567 |
|
568 |
/** |
569 |
* Getting all created MIDI intput device list. |
570 |
* LIST MIDI_INPUT_DEVICES |
571 |
* |
572 |
* @param pClient Pointer to client instance structure. |
573 |
* |
574 |
* @returns An array of MIDI device number identifiers, |
575 |
* terminated with -1 on success, or NULL in case of failure. |
576 |
*/ |
577 |
int *lscp_list_midi_devices ( lscp_client_t *pClient ) |
578 |
{ |
579 |
const char *pszSeps = ","; |
580 |
|
581 |
if (pClient == NULL) |
582 |
return NULL; |
583 |
|
584 |
// Lock this section up. |
585 |
lscp_mutex_lock(pClient->mutex); |
586 |
|
587 |
if (pClient->midi_devices) { |
588 |
lscp_isplit_destroy(pClient->midi_devices); |
589 |
pClient->midi_devices = NULL; |
590 |
} |
591 |
|
592 |
if (lscp_client_call(pClient, "LIST MIDI_INPUT_DEVICES\r\n") == LSCP_OK) |
593 |
pClient->midi_devices = lscp_isplit_create(lscp_client_get_result(pClient), pszSeps); |
594 |
|
595 |
// Unlock this section down. |
596 |
lscp_mutex_unlock(pClient->mutex); |
597 |
|
598 |
return pClient->midi_devices; |
599 |
} |
600 |
|
601 |
|
602 |
/** |
603 |
* Getting current settings of a MIDI input device. |
604 |
* GET MIDI_INPUT_DEVICE INFO <midi-device-id> |
605 |
* |
606 |
* @param pClient Pointer to client instance structure. |
607 |
* @param iMidiDevice MIDI device number identifier. |
608 |
* |
609 |
* @returns A pointer to a @ref lscp_device_info_t structure, with |
610 |
* the given MIDI device information, or NULL in case of failure. |
611 |
*/ |
612 |
lscp_device_info_t* lscp_get_midi_device_info ( lscp_client_t *pClient, int iMidiDevice ) |
613 |
{ |
614 |
lscp_device_info_t *pDeviceInfo = NULL; |
615 |
|
616 |
if (pClient == NULL) |
617 |
return NULL; |
618 |
if (iMidiDevice < 0) |
619 |
return NULL; |
620 |
|
621 |
return pDeviceInfo; |
622 |
} |
623 |
|
624 |
|
625 |
/** |
626 |
* Changing settings of MIDI input devices. |
627 |
* SET MIDI_INPUT_DEVICE_PARAMETER <midi-device-id> <param> <value> |
628 |
* |
629 |
* @param pClient Pointer to client instance structure. |
630 |
* @param iMidiDevice MIDI device number identifier. |
631 |
* @param pParam Pointer to a key-valued MIDI device parameter. |
632 |
* |
633 |
* @returns LSCP_OK on success, LSCP_FAILED otherwise. |
634 |
*/ |
635 |
lscp_status_t lscp_set_midi_device_param ( lscp_client_t *pClient, int iMidiDevice, lscp_param_t *pParam ) |
636 |
{ |
637 |
lscp_status_t ret = LSCP_FAILED; |
638 |
|
639 |
if (pClient == NULL) |
640 |
return ret; |
641 |
if (iMidiDevice < 0) |
642 |
return ret; |
643 |
if (pParam == NULL) |
644 |
return ret; |
645 |
|
646 |
return ret; |
647 |
} |
648 |
|
649 |
|
650 |
/** |
651 |
* Getting informations about a MIDI port. |
652 |
* GET MIDI_INPUT_PORT INFO <midi-device-id> <midi-port> |
653 |
* |
654 |
* @param pClient Pointer to client instance structure. |
655 |
* @param iMidiDevice MIDI device number identifier. |
656 |
* @param iMidiPort MIDI port number. |
657 |
* |
658 |
* @returns A pointer to a @ref lscp_device_channel_info_t structure, |
659 |
* with the given MIDI port information, or NULL in case of failure. |
660 |
*/ |
661 |
lscp_device_channel_info_t* lscp_get_midi_port_info ( lscp_client_t *pClient, int iMidiDevice, int iMidiPort ) |
662 |
{ |
663 |
lscp_device_channel_info_t *pDevChannelInfo = NULL; |
664 |
|
665 |
if (pClient == NULL) |
666 |
return NULL; |
667 |
if (iMidiDevice < 0) |
668 |
return NULL; |
669 |
if (iMidiPort < 0) |
670 |
return NULL; |
671 |
|
672 |
return pDevChannelInfo; |
673 |
} |
674 |
|
675 |
|
676 |
/** |
677 |
* Getting informations about specific MIDI port parameter. |
678 |
* GET MIDI_INPUT_PORT_PARAMETER INFO <midi-device-id> <midi-port> <param> |
679 |
* |
680 |
* @param pClient Pointer to client instance structure. |
681 |
* @param iMidiDevice MIDI device number identifier. |
682 |
* @param iMidiPort MIDI port number. |
683 |
* @param pszParam MIDI port parameter name. |
684 |
* |
685 |
* @returns A pointer to a @ref lscp_param_info_t structure, with |
686 |
* the given MIDI port parameter information, or NULL in case of failure. |
687 |
*/ |
688 |
lscp_param_info_t* lscp_get_midi_port_param_info ( lscp_client_t *pClient, int iMidiDevice, int iMidiPort, const char *pszParam ) |
689 |
{ |
690 |
lscp_param_info_t *pParamInfo = NULL; |
691 |
|
692 |
if (pClient == NULL) |
693 |
return NULL; |
694 |
if (iMidiDevice < 0) |
695 |
return NULL; |
696 |
if (iMidiPort < 0) |
697 |
return NULL; |
698 |
if (pszParam == NULL) |
699 |
return NULL; |
700 |
|
701 |
return pParamInfo; |
702 |
} |
703 |
|
704 |
|
705 |
/** |
706 |
* Changing settings of MIDI input ports. |
707 |
* SET MIDI_INPUT_PORT_PARAMETER <midi-device-id> <midi-port> <param> <value> |
708 |
* |
709 |
* @param pClient Pointer to client instance structure. |
710 |
* @param iMidiDevice MIDI device number identifier. |
711 |
* @param iMidiPort MIDI port number. |
712 |
* @param pParam Pointer to a key-valued MIDI port parameter. |
713 |
* |
714 |
* @returns LSCP_OK on success, LSCP_FAILED otherwise. |
715 |
*/ |
716 |
lscp_status_t lscp_set_midi_port_param ( lscp_client_t *pClient, int iMidiDevice, int iMidiPort, lscp_param_t *pParam ) |
717 |
{ |
718 |
lscp_status_t ret = LSCP_FAILED; |
719 |
|
720 |
if (pClient == NULL) |
721 |
return ret; |
722 |
if (iMidiDevice < 0) |
723 |
return ret; |
724 |
if (iMidiPort < 0) |
725 |
return ret; |
726 |
if (pParam == NULL) |
727 |
return ret; |
728 |
|
729 |
return ret; |
730 |
} |
731 |
|
732 |
// end of device.c |
733 |
|