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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, char *pszQuery); |
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static lscp_device_info_t *_lscp_device_info_query (lscp_client_t *pClient, lscp_device_info_t *pDeviceInfo, 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, int cchMaxQuery, lscp_param_t *pDepList); |
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|
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static lscp_device_port_info_t *_lscp_device_port_info_query (lscp_client_t *pClient, lscp_device_port_info_t *pDevicePortInfo, 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, 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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lscp_unquote_dup(&(pDriverInfo->description), &pszToken); |
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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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lscp_unquote_dup(&(pDriverInfo->version), &pszToken); |
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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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if (pDriverInfo->parameters) |
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lscp_szsplit_destroy(pDriverInfo->parameters); |
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pDriverInfo->parameters = lscp_szsplit_create(pszToken, ","); |
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} |
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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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// Common device info query command. |
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static lscp_device_info_t *_lscp_device_info_query ( lscp_client_t *pClient, lscp_device_info_t *pDeviceInfo, 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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char *pszKey; |
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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_device_info_reset(pDeviceInfo); |
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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, "DRIVER") == 0) { |
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pszToken = lscp_strtok(NULL, pszCrlf, &(pch)); |
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if (pszToken) |
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lscp_unquote_dup(&(pDeviceInfo->driver), &pszToken); |
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} |
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else { |
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pszKey = pszToken; |
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pszToken = lscp_strtok(NULL, pszCrlf, &(pch)); |
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if (pszToken) |
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lscp_plist_append(&(pDeviceInfo->params), pszKey, lscp_unquote(&pszToken, 0)); |
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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 pDeviceInfo; |
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} |
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|
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|
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// Common device channel/port info query command. |
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static lscp_device_port_info_t *_lscp_device_port_info_query ( lscp_client_t *pClient, lscp_device_port_info_t *pDevicePortInfo, 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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char *pszKey; |
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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_device_port_info_reset(pDevicePortInfo); |
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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, "NAME") == 0) { |
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pszToken = lscp_strtok(NULL, pszCrlf, &(pch)); |
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if (pszToken) |
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lscp_unquote_dup(&(pDevicePortInfo->name), &pszToken); |
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} |
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else { |
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pszKey = pszToken; |
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pszToken = lscp_strtok(NULL, pszCrlf, &(pch)); |
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if (pszToken) |
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lscp_plist_append(&(pDevicePortInfo->params), pszKey, lscp_unquote(&pszToken, 0)); |
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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 pDevicePortInfo; |
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} |
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|
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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, int cchMaxQuery, 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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|
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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_param_info_reset(pParamInfo); |
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lscp_param_concat(pszQuery, cchMaxQuery, 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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lscp_unquote_dup(&(pParamInfo->description), &pszToken); |
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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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if (pParamInfo->depends) |
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lscp_szsplit_destroy(pParamInfo->depends); |
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pParamInfo->depends = lscp_szsplit_create(pszToken, ","); |
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} |
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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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lscp_unquote_dup(&(pParamInfo->defaultv), &pszToken); |
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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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lscp_unquote_dup(&(pParamInfo->range_min), &pszToken); |
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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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lscp_unquote_dup(&(pParamInfo->range_max), &pszToken); |
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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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if (pParamInfo->possibilities) |
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lscp_szsplit_destroy(pParamInfo->possibilities); |
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pParamInfo->possibilities = lscp_szsplit_create(pszToken, ","); |
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} |
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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 pParamInfo; |
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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"). |
298 |
* |
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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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*/ |
302 |
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]; |
305 |
|
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if (pszAudioDriver == NULL) |
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return NULL; |
308 |
|
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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_driver_info), szQuery); |
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} |
312 |
|
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|
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/** |
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* Getting informations about specific audio output driver parameter. |
316 |
* GET AUDIO_OUTPUT_DRIVER_PARAMETER INFO <audio-output-driver> <param> [<dep-list>] |
317 |
* |
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* @param pClient Pointer to client instance structure. |
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* @param pszAudioDriver Audio driver type string (e.g. "ALSA"). |
320 |
* @param pszParam Audio driver parameter name. |
321 |
* @param pDepList Pointer to specific dependencies parameter list. |
322 |
* |
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* @returns A pointer to a @ref lscp_param_info_t structure, with |
324 |
* the given audio driver parameter information, or NULL in case of failure. |
325 |
*/ |
326 |
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]; |
329 |
|
330 |
if (pClient == NULL) |
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return NULL; |
332 |
if (pszAudioDriver == NULL) |
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return NULL; |
334 |
if (pszParam == NULL) |
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return NULL; |
336 |
|
337 |
sprintf(szQuery, "GET AUDIO_OUTPUT_DRIVER_PARAMETER INFO %s %s", pszAudioDriver, pszParam); |
338 |
return _lscp_param_info_query(pClient, &(pClient->audio_param_info), szQuery, sizeof(szQuery), pDepList); |
339 |
} |
340 |
|
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|
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//------------------------------------------------------------------------- |
343 |
// Audio device control functions. |
344 |
|
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/** |
346 |
* Creating an audio output device. |
347 |
* CREATE AUDIO_OUTPUT_DEVICE <audio-output-driver> [<params>] |
348 |
* |
349 |
* @param pClient Pointer to client instance structure. |
350 |
* @param pszAudioDriver Audio driver type string (e.g. "ALSA"). |
351 |
* @param pParams Pointer to specific parameter list. |
352 |
* |
353 |
* @returns The new audio device number identifier on success, |
354 |
* or -1 in case of failure. |
355 |
*/ |
356 |
int lscp_create_audio_device ( lscp_client_t *pClient, const char *pszAudioDriver, lscp_param_t *pParams ) |
357 |
{ |
358 |
char szQuery[LSCP_BUFSIZ]; |
359 |
int iAudioDevice = -1; |
360 |
|
361 |
if (pClient == NULL) |
362 |
return iAudioDevice; |
363 |
if (pszAudioDriver == NULL) |
364 |
return iAudioDevice; |
365 |
|
366 |
// Lock this section up. |
367 |
lscp_mutex_lock(pClient->mutex); |
368 |
|
369 |
sprintf(szQuery, "CREATE AUDIO_OUTPUT_DEVICE %s", pszAudioDriver); |
370 |
lscp_param_concat(szQuery, sizeof(szQuery), pParams); |
371 |
if (lscp_client_call(pClient, szQuery) == LSCP_OK) |
372 |
iAudioDevice = atoi(lscp_client_get_result(pClient)); |
373 |
|
374 |
// Unlock this section down. |
375 |
lscp_mutex_unlock(pClient->mutex); |
376 |
|
377 |
return iAudioDevice; |
378 |
} |
379 |
|
380 |
|
381 |
/** |
382 |
* Destroying an audio output device. |
383 |
* DESTROY AUDIO_OUTPUT_DEVICE <audio-device-id> |
384 |
* |
385 |
* @param pClient Pointer to client instance structure. |
386 |
* @param iAudioDevice Audio device number identifier. |
387 |
* |
388 |
* @returns LSCP_OK on success, LSCP_FAILED otherwise. |
389 |
*/ |
390 |
lscp_status_t lscp_destroy_audio_device ( lscp_client_t *pClient, int iAudioDevice ) |
391 |
{ |
392 |
lscp_status_t ret = LSCP_FAILED; |
393 |
char szQuery[LSCP_BUFSIZ]; |
394 |
|
395 |
if (pClient == NULL) |
396 |
return ret; |
397 |
if (iAudioDevice < 0) |
398 |
return ret; |
399 |
|
400 |
sprintf(szQuery, "DESTROY AUDIO_OUTPUT_DEVICE %d\r\n", iAudioDevice); |
401 |
return lscp_client_query(pClient, szQuery); |
402 |
} |
403 |
|
404 |
|
405 |
/** |
406 |
* Getting all created audio output device count. |
407 |
* GET AUDIO_OUTPUT_DEVICES |
408 |
* |
409 |
* @param pClient Pointer to client instance structure. |
410 |
* |
411 |
* @returns The current total number of audio devices on success, |
412 |
* -1 otherwise. |
413 |
*/ |
414 |
int lscp_get_audio_devices ( lscp_client_t *pClient ) |
415 |
{ |
416 |
int iAudioDevices = -1; |
417 |
|
418 |
// Lock this section up. |
419 |
lscp_mutex_lock(pClient->mutex); |
420 |
|
421 |
if (lscp_client_call(pClient, "GET AUDIO_OUTPUT_DEVICES\r\n") == LSCP_OK) |
422 |
iAudioDevices = atoi(lscp_client_get_result(pClient)); |
423 |
|
424 |
// Unlock this section down. |
425 |
lscp_mutex_unlock(pClient->mutex); |
426 |
|
427 |
return iAudioDevices; |
428 |
} |
429 |
|
430 |
|
431 |
/** |
432 |
* Getting all created audio output device list. |
433 |
* LIST AUDIO_OUTPUT_DEVICES |
434 |
* |
435 |
* @param pClient Pointer to client instance structure. |
436 |
* |
437 |
* @returns An array of audio device number identifiers, |
438 |
* terminated with -1 on success, or NULL in case of failure. |
439 |
*/ |
440 |
int *lscp_list_audio_devices ( lscp_client_t *pClient ) |
441 |
{ |
442 |
const char *pszSeps = ","; |
443 |
|
444 |
if (pClient == NULL) |
445 |
return NULL; |
446 |
|
447 |
// Lock this section up. |
448 |
lscp_mutex_lock(pClient->mutex); |
449 |
|
450 |
if (pClient->audio_devices) { |
451 |
lscp_isplit_destroy(pClient->audio_devices); |
452 |
pClient->audio_devices = NULL; |
453 |
} |
454 |
|
455 |
if (lscp_client_call(pClient, "LIST AUDIO_OUTPUT_DEVICES\r\n") == LSCP_OK) |
456 |
pClient->audio_devices = lscp_isplit_create(lscp_client_get_result(pClient), pszSeps); |
457 |
|
458 |
// Unlock this section down. |
459 |
lscp_mutex_unlock(pClient->mutex); |
460 |
|
461 |
return pClient->audio_devices; |
462 |
} |
463 |
|
464 |
|
465 |
/** |
466 |
* Getting current settings of an audio output device. |
467 |
* GET AUDIO_OUTPUT_DEVICE INFO <audio-device-id> |
468 |
* |
469 |
* @param pClient Pointer to client instance structure. |
470 |
* @param iAudioDevice Audio device number identifier. |
471 |
* |
472 |
* @returns A pointer to a @ref lscp_device_info_t structure, with |
473 |
* the given audio device information, or NULL in case of failure. |
474 |
*/ |
475 |
lscp_device_info_t *lscp_get_audio_device_info ( lscp_client_t *pClient, int iAudioDevice ) |
476 |
{ |
477 |
char szQuery[LSCP_BUFSIZ]; |
478 |
|
479 |
if (pClient == NULL) |
480 |
return NULL; |
481 |
if (iAudioDevice < 0) |
482 |
return NULL; |
483 |
|
484 |
sprintf(szQuery, "GET AUDIO_OUTPUT_DEVICE INFO %d\r\n", iAudioDevice); |
485 |
return _lscp_device_info_query(pClient, &(pClient->audio_device_info), szQuery); |
486 |
} |
487 |
|
488 |
|
489 |
/** |
490 |
* Changing settings of audio output devices. |
491 |
* SET AUDIO_OUTPUT_DEVICE_PARAMETER <audio-device-id> <param>=<value> |
492 |
* |
493 |
* @param pClient Pointer to client instance structure. |
494 |
* @param iAudioDevice Audio device number identifier. |
495 |
* @param pParam Pointer to a key-valued audio device parameter. |
496 |
* |
497 |
* @returns LSCP_OK on success, LSCP_FAILED otherwise. |
498 |
*/ |
499 |
lscp_status_t lscp_set_audio_device_param ( lscp_client_t *pClient, int iAudioDevice, lscp_param_t *pParam ) |
500 |
{ |
501 |
char szQuery[LSCP_BUFSIZ]; |
502 |
|
503 |
if (pClient == NULL) |
504 |
return LSCP_FAILED; |
505 |
if (iAudioDevice < 0) |
506 |
return LSCP_FAILED; |
507 |
if (pParam == NULL) |
508 |
return LSCP_FAILED; |
509 |
|
510 |
sprintf(szQuery, "SET AUDIO_OUTPUT_DEVICE_PARAMETER %d", iAudioDevice); |
511 |
lscp_param_concat(szQuery, sizeof(szQuery), pParam); |
512 |
return lscp_client_query(pClient, szQuery); |
513 |
} |
514 |
|
515 |
|
516 |
/** |
517 |
* Getting informations about an audio channel. |
518 |
* GET AUDIO_OUTPUT_CHANNEL INFO <audio-device-id> <audio-channel> |
519 |
* |
520 |
* @param pClient Pointer to client instance structure. |
521 |
* @param iAudioDevice Audio device number identifier. |
522 |
* @param iAudioChannel Audio channel number. |
523 |
* |
524 |
* @returns A pointer to a @ref lscp_device_port_info_t structure, |
525 |
* with the given audio channel information, or NULL in case of failure. |
526 |
*/ |
527 |
lscp_device_port_info_t* lscp_get_audio_channel_info ( lscp_client_t *pClient, int iAudioDevice, int iAudioChannel ) |
528 |
{ |
529 |
char szQuery[LSCP_BUFSIZ]; |
530 |
|
531 |
if (pClient == NULL) |
532 |
return NULL; |
533 |
if (iAudioDevice < 0) |
534 |
return NULL; |
535 |
if (iAudioChannel < 0) |
536 |
return NULL; |
537 |
|
538 |
sprintf(szQuery, "GET AUDIO_OUTPUT_CHANNEL INFO %d %d\r\n", iAudioDevice, iAudioChannel); |
539 |
return _lscp_device_port_info_query(pClient, &(pClient->audio_channel_info), szQuery); |
540 |
} |
541 |
|
542 |
|
543 |
/** |
544 |
* Getting informations about specific audio channel parameter. |
545 |
* GET AUDIO_OUTPUT_CHANNEL_PARAMETER INFO <audio-device-id> <audio-channel> <param> |
546 |
* |
547 |
* @param pClient Pointer to client instance structure. |
548 |
* @param iAudioDevice Audio device number identifier. |
549 |
* @param iAudioChannel Audio channel number. |
550 |
* @param pszParam Audio channel parameter name. |
551 |
* |
552 |
* @returns A pointer to a @ref lscp_param_info_t structure, with |
553 |
* the given audio channel parameter information, or NULL in case of failure. |
554 |
*/ |
555 |
lscp_param_info_t* lscp_get_audio_channel_param_info ( lscp_client_t *pClient, int iAudioDevice, int iAudioChannel, const char *pszParam ) |
556 |
{ |
557 |
char szQuery[LSCP_BUFSIZ]; |
558 |
|
559 |
if (pClient == NULL) |
560 |
return NULL; |
561 |
if (iAudioDevice < 0) |
562 |
return NULL; |
563 |
if (iAudioChannel < 0) |
564 |
return NULL; |
565 |
if (pszParam == NULL) |
566 |
return NULL; |
567 |
|
568 |
sprintf(szQuery, "GET AUDIO_OUTPUT_CHANNEL_PARAMETER INFO %d %d %s", iAudioDevice, iAudioChannel, pszParam); |
569 |
return _lscp_param_info_query(pClient, &(pClient->audio_channel_param_info), szQuery, sizeof(szQuery), NULL); |
570 |
} |
571 |
|
572 |
|
573 |
/** |
574 |
* Changing settings of audio output channels. |
575 |
* SET AUDIO_OUTPUT_CHANNEL_PARAMETER <audio-device-id> <audio-channel> <param> <value> |
576 |
* |
577 |
* @param pClient Pointer to client instance structure. |
578 |
* @param iAudioDevice Audio device number identifier. |
579 |
* @param iAudioChannel Audio channel number. |
580 |
* @param pParam Pointer to a key-valued audio channel parameter. |
581 |
* |
582 |
* @returns LSCP_OK on success, LSCP_FAILED otherwise. |
583 |
*/ |
584 |
lscp_status_t lscp_set_audio_channel_param ( lscp_client_t *pClient, int iAudioDevice, int iAudioChannel, lscp_param_t *pParam ) |
585 |
{ |
586 |
char szQuery[LSCP_BUFSIZ]; |
587 |
|
588 |
if (pClient == NULL) |
589 |
return LSCP_FAILED; |
590 |
if (iAudioDevice < 0) |
591 |
return LSCP_FAILED; |
592 |
if (iAudioChannel < 0) |
593 |
return LSCP_FAILED; |
594 |
if (pParam == NULL) |
595 |
return LSCP_FAILED; |
596 |
|
597 |
sprintf(szQuery, "SET AUDIO_OUTPUT_CHANNEL_PARAMETER %d %d", iAudioDevice, iAudioChannel); |
598 |
lscp_param_concat(szQuery, sizeof(szQuery), pParam); |
599 |
return lscp_client_query(pClient, szQuery); |
600 |
} |
601 |
|
602 |
|
603 |
//------------------------------------------------------------------------- |
604 |
// MIDI driver control functions. |
605 |
|
606 |
/** |
607 |
* Getting all available MIDI input drivers. |
608 |
* GET AVAILABLE_MIDI_INPUT_DRIVERS |
609 |
* |
610 |
* @param pClient Pointer to client instance structure. |
611 |
* |
612 |
* @returns A NULL terminated array of MIDI input driver type |
613 |
* name strings, or NULL in case of failure. |
614 |
*/ |
615 |
const char** lscp_get_available_midi_drivers ( lscp_client_t *pClient ) |
616 |
{ |
617 |
const char *pszSeps = ","; |
618 |
|
619 |
// Lock this section up. |
620 |
lscp_mutex_lock(pClient->mutex); |
621 |
|
622 |
if (pClient->midi_drivers) { |
623 |
lscp_szsplit_destroy(pClient->midi_drivers); |
624 |
pClient->midi_drivers = NULL; |
625 |
} |
626 |
|
627 |
if (lscp_client_call(pClient, "GET AVAILABLE_MIDI_INPUT_DRIVERS\r\n") == LSCP_OK) |
628 |
pClient->midi_drivers = lscp_szsplit_create(lscp_client_get_result(pClient), pszSeps); |
629 |
|
630 |
// Unlock this section up. |
631 |
lscp_mutex_unlock(pClient->mutex); |
632 |
|
633 |
return (const char **) pClient->midi_drivers; |
634 |
} |
635 |
|
636 |
|
637 |
/** |
638 |
* Getting informations about a specific MIDI input driver. |
639 |
* GET MIDI_INPUT_DRIVER INFO <midi-input-type> |
640 |
* |
641 |
* @param pClient Pointer to client instance structure. |
642 |
* @param pszMidiDriver MIDI driver type string (e.g. "ALSA"). |
643 |
* |
644 |
* @returns A pointer to a @ref lscp_driver_info_t structure, with |
645 |
* the given MIDI driver information, or NULL in case of failure. |
646 |
*/ |
647 |
lscp_driver_info_t* lscp_get_midi_driver_info ( lscp_client_t *pClient, const char *pszMidiDriver ) |
648 |
{ |
649 |
char szQuery[LSCP_BUFSIZ]; |
650 |
|
651 |
if (pszMidiDriver == NULL) |
652 |
return NULL; |
653 |
|
654 |
sprintf(szQuery, "GET MIDI_INPUT_DRIVER INFO %s\r\n", pszMidiDriver); |
655 |
return _lscp_driver_info_query(pClient, &(pClient->midi_driver_info), szQuery); |
656 |
} |
657 |
|
658 |
|
659 |
/** |
660 |
* Getting informations about specific MIDI input driver parameter. |
661 |
* GET MIDI_INPUT_DRIVER_PARAMETER INFO <midi-input-driver> <param> [<dep-list>] |
662 |
* |
663 |
* @param pClient Pointer to client instance structure. |
664 |
* @param pszMidiDriver MIDI driver type string (e.g. "ALSA"). |
665 |
* @param pszParam MIDI driver parameter name. |
666 |
* @param pDepList Pointer to specific dependencies parameter list. |
667 |
* |
668 |
* @returns A pointer to a @ref lscp_param_info_t structure, with |
669 |
* the given MIDI driver parameter information, or NULL in case of failure. |
670 |
* |
671 |
* @returns LSCP_OK on success, LSCP_FAILED otherwise. |
672 |
*/ |
673 |
lscp_param_info_t *lscp_get_midi_driver_param_info ( lscp_client_t *pClient, const char *pszMidiDriver, const char *pszParam, lscp_param_t *pDepList ) |
674 |
{ |
675 |
char szQuery[LSCP_BUFSIZ]; |
676 |
|
677 |
if (pClient == NULL) |
678 |
return NULL; |
679 |
if (pszMidiDriver == NULL) |
680 |
return NULL; |
681 |
if (pszParam == NULL) |
682 |
return NULL; |
683 |
|
684 |
sprintf(szQuery, "GET MIDI_INPUT_DRIVER_PARAMETER INFO %s %s", pszMidiDriver, pszParam); |
685 |
return _lscp_param_info_query(pClient, &(pClient->midi_param_info), szQuery, sizeof(szQuery), pDepList); |
686 |
} |
687 |
|
688 |
|
689 |
//------------------------------------------------------------------------- |
690 |
// MIDI device control functions. |
691 |
|
692 |
/** |
693 |
* Creating a MIDI input device. |
694 |
* CREATE MIDI_INPUT_DEVICE <midi-input-driver> [<params>] |
695 |
* |
696 |
* @param pClient Pointer to client instance structure. |
697 |
* @param pszMidiDriver MIDI driver type string (e.g. "ALSA"). |
698 |
* @param pParams Pointer to specific parameter list. |
699 |
* |
700 |
* @returns The new audio device number identifier on success, |
701 |
* or -1 in case of failure. |
702 |
*/ |
703 |
int lscp_create_midi_device ( lscp_client_t *pClient, const char *pszMidiDriver, lscp_param_t *pParams ) |
704 |
{ |
705 |
char szQuery[LSCP_BUFSIZ]; |
706 |
int iMidiDevice = -1; |
707 |
|
708 |
if (pClient == NULL) |
709 |
return iMidiDevice; |
710 |
if (pszMidiDriver == NULL) |
711 |
return iMidiDevice; |
712 |
|
713 |
// Lock this section up. |
714 |
lscp_mutex_lock(pClient->mutex); |
715 |
|
716 |
sprintf(szQuery, "CREATE MIDI_INPUT_DEVICE %s", pszMidiDriver); |
717 |
lscp_param_concat(szQuery, sizeof(szQuery), pParams); |
718 |
if (lscp_client_call(pClient, szQuery) == LSCP_OK) |
719 |
iMidiDevice = atoi(lscp_client_get_result(pClient)); |
720 |
|
721 |
// Unlock this section down. |
722 |
lscp_mutex_unlock(pClient->mutex); |
723 |
|
724 |
return iMidiDevice; |
725 |
} |
726 |
|
727 |
|
728 |
/** |
729 |
* Destroying a MIDI input device. |
730 |
* DESTROY MIDI_INPUT_DEVICE <midi-device-id> |
731 |
* |
732 |
* @param pClient Pointer to client instance structure. |
733 |
* @param iMidiDevice MIDI device number identifier. |
734 |
* |
735 |
* @returns LSCP_OK on success, LSCP_FAILED otherwise. |
736 |
*/ |
737 |
lscp_status_t lscp_destroy_midi_device ( lscp_client_t *pClient, int iMidiDevice ) |
738 |
{ |
739 |
lscp_status_t ret = LSCP_FAILED; |
740 |
char szQuery[LSCP_BUFSIZ]; |
741 |
|
742 |
if (pClient == NULL) |
743 |
return ret; |
744 |
if (iMidiDevice < 0) |
745 |
return ret; |
746 |
|
747 |
sprintf(szQuery, "DESTROY MIDI_INPUT_DEVICE %d\r\n", iMidiDevice); |
748 |
return lscp_client_query(pClient, szQuery); |
749 |
} |
750 |
|
751 |
|
752 |
/** |
753 |
* Getting all created MIDI intput device count. |
754 |
* GET MIDI_INPUT_DEVICES |
755 |
* |
756 |
* @param pClient Pointer to client instance structure. |
757 |
* |
758 |
* @returns The current total number of MIDI devices on success, |
759 |
* -1 otherwise. |
760 |
*/ |
761 |
int lscp_get_midi_devices ( lscp_client_t *pClient ) |
762 |
{ |
763 |
int iMidiDevices = -1; |
764 |
|
765 |
// Lock this section up. |
766 |
lscp_mutex_lock(pClient->mutex); |
767 |
|
768 |
if (lscp_client_call(pClient, "GET MIDI_INPUT_DEVICES\r\n") == LSCP_OK) |
769 |
iMidiDevices = atoi(lscp_client_get_result(pClient)); |
770 |
|
771 |
// Unlock this section down. |
772 |
lscp_mutex_unlock(pClient->mutex); |
773 |
|
774 |
return iMidiDevices; |
775 |
} |
776 |
|
777 |
|
778 |
/** |
779 |
* Getting all created MIDI intput device list. |
780 |
* LIST MIDI_INPUT_DEVICES |
781 |
* |
782 |
* @param pClient Pointer to client instance structure. |
783 |
* |
784 |
* @returns An array of MIDI device number identifiers, |
785 |
* terminated with -1 on success, or NULL in case of failure. |
786 |
*/ |
787 |
int *lscp_list_midi_devices ( lscp_client_t *pClient ) |
788 |
{ |
789 |
const char *pszSeps = ","; |
790 |
|
791 |
if (pClient == NULL) |
792 |
return NULL; |
793 |
|
794 |
// Lock this section up. |
795 |
lscp_mutex_lock(pClient->mutex); |
796 |
|
797 |
if (pClient->midi_devices) { |
798 |
lscp_isplit_destroy(pClient->midi_devices); |
799 |
pClient->midi_devices = NULL; |
800 |
} |
801 |
|
802 |
if (lscp_client_call(pClient, "LIST MIDI_INPUT_DEVICES\r\n") == LSCP_OK) |
803 |
pClient->midi_devices = lscp_isplit_create(lscp_client_get_result(pClient), pszSeps); |
804 |
|
805 |
// Unlock this section down. |
806 |
lscp_mutex_unlock(pClient->mutex); |
807 |
|
808 |
return pClient->midi_devices; |
809 |
} |
810 |
|
811 |
|
812 |
/** |
813 |
* Getting current settings of a MIDI input device. |
814 |
* GET MIDI_INPUT_DEVICE INFO <midi-device-id> |
815 |
* |
816 |
* @param pClient Pointer to client instance structure. |
817 |
* @param iMidiDevice MIDI device number identifier. |
818 |
* |
819 |
* @returns A pointer to a @ref lscp_device_info_t structure, with |
820 |
* the given MIDI device information, or NULL in case of failure. |
821 |
*/ |
822 |
lscp_device_info_t* lscp_get_midi_device_info ( lscp_client_t *pClient, int iMidiDevice ) |
823 |
{ |
824 |
char szQuery[LSCP_BUFSIZ]; |
825 |
|
826 |
if (pClient == NULL) |
827 |
return NULL; |
828 |
if (iMidiDevice < 0) |
829 |
return NULL; |
830 |
|
831 |
sprintf(szQuery, "GET MIDI_INPUT_DEVICE INFO %d\r\n", iMidiDevice); |
832 |
return _lscp_device_info_query(pClient, &(pClient->midi_device_info), szQuery); |
833 |
} |
834 |
|
835 |
|
836 |
/** |
837 |
* Changing settings of MIDI input devices. |
838 |
* SET MIDI_INPUT_DEVICE_PARAMETER <midi-device-id> <param>=<value> |
839 |
* |
840 |
* @param pClient Pointer to client instance structure. |
841 |
* @param iMidiDevice MIDI device number identifier. |
842 |
* @param pParam Pointer to a key-valued MIDI device parameter. |
843 |
* |
844 |
* @returns LSCP_OK on success, LSCP_FAILED otherwise. |
845 |
*/ |
846 |
lscp_status_t lscp_set_midi_device_param ( lscp_client_t *pClient, int iMidiDevice, lscp_param_t *pParam ) |
847 |
{ |
848 |
char szQuery[LSCP_BUFSIZ]; |
849 |
|
850 |
if (pClient == NULL) |
851 |
return LSCP_FAILED; |
852 |
if (iMidiDevice < 0) |
853 |
return LSCP_FAILED; |
854 |
if (pParam == NULL) |
855 |
return LSCP_FAILED; |
856 |
|
857 |
sprintf(szQuery, "SET MIDI_INPUT_DEVICE_PARAMETER %d", iMidiDevice); |
858 |
lscp_param_concat(szQuery, sizeof(szQuery), pParam); |
859 |
return lscp_client_query(pClient, szQuery); |
860 |
} |
861 |
|
862 |
|
863 |
/** |
864 |
* Getting informations about a MIDI port. |
865 |
* GET MIDI_INPUT_PORT INFO <midi-device-id> <midi-port> |
866 |
* |
867 |
* @param pClient Pointer to client instance structure. |
868 |
* @param iMidiDevice MIDI device number identifier. |
869 |
* @param iMidiPort MIDI port number. |
870 |
* |
871 |
* @returns A pointer to a @ref lscp_device_port_info_t structure, |
872 |
* with the given MIDI port information, or NULL in case of failure. |
873 |
*/ |
874 |
lscp_device_port_info_t* lscp_get_midi_port_info ( lscp_client_t *pClient, int iMidiDevice, int iMidiPort ) |
875 |
{ |
876 |
char szQuery[LSCP_BUFSIZ]; |
877 |
|
878 |
if (pClient == NULL) |
879 |
return NULL; |
880 |
if (iMidiDevice < 0) |
881 |
return NULL; |
882 |
if (iMidiPort < 0) |
883 |
return NULL; |
884 |
|
885 |
sprintf(szQuery, "GET MIDI_INPUT_PORT INFO %d %d\r\n", iMidiDevice, iMidiPort); |
886 |
return _lscp_device_port_info_query(pClient, &(pClient->midi_port_info), szQuery); |
887 |
} |
888 |
|
889 |
|
890 |
/** |
891 |
* Getting informations about specific MIDI port parameter. |
892 |
* GET MIDI_INPUT_PORT_PARAMETER INFO <midi-device-id> <midi-port> <param> |
893 |
* |
894 |
* @param pClient Pointer to client instance structure. |
895 |
* @param iMidiDevice MIDI device number identifier. |
896 |
* @param iMidiPort MIDI port number. |
897 |
* @param pszParam MIDI port parameter name. |
898 |
* |
899 |
* @returns A pointer to a @ref lscp_param_info_t structure, with |
900 |
* the given MIDI port parameter information, or NULL in case of failure. |
901 |
*/ |
902 |
lscp_param_info_t* lscp_get_midi_port_param_info ( lscp_client_t *pClient, int iMidiDevice, int iMidiPort, const char *pszParam ) |
903 |
{ |
904 |
char szQuery[LSCP_BUFSIZ]; |
905 |
|
906 |
if (pClient == NULL) |
907 |
return NULL; |
908 |
if (iMidiDevice < 0) |
909 |
return NULL; |
910 |
if (iMidiPort < 0) |
911 |
return NULL; |
912 |
if (pszParam == NULL) |
913 |
return NULL; |
914 |
|
915 |
sprintf(szQuery, "GET MIDI_INPUT_PORT_PARAMETER INFO %d %d %s", iMidiDevice, iMidiPort, pszParam); |
916 |
return _lscp_param_info_query(pClient, &(pClient->midi_port_param_info), szQuery, sizeof(szQuery), NULL); |
917 |
} |
918 |
|
919 |
|
920 |
/** |
921 |
* Changing settings of MIDI input ports. |
922 |
* SET MIDI_INPUT_PORT_PARAMETER <midi-device-id> <midi-port> <param> <value> |
923 |
* |
924 |
* @param pClient Pointer to client instance structure. |
925 |
* @param iMidiDevice MIDI device number identifier. |
926 |
* @param iMidiPort MIDI port number. |
927 |
* @param pParam Pointer to a key-valued MIDI port parameter. |
928 |
* |
929 |
* @returns LSCP_OK on success, LSCP_FAILED otherwise. |
930 |
*/ |
931 |
lscp_status_t lscp_set_midi_port_param ( lscp_client_t *pClient, int iMidiDevice, int iMidiPort, lscp_param_t *pParam ) |
932 |
{ |
933 |
char szQuery[LSCP_BUFSIZ]; |
934 |
|
935 |
if (pClient == NULL) |
936 |
return LSCP_FAILED; |
937 |
if (iMidiDevice < 0) |
938 |
return LSCP_FAILED; |
939 |
if (iMidiPort < 0) |
940 |
return LSCP_FAILED; |
941 |
if (pParam == NULL) |
942 |
return LSCP_FAILED; |
943 |
|
944 |
sprintf(szQuery, "SET MIDI_INPUT_PORT_PARAMETER %d %d", iMidiDevice, iMidiPort); |
945 |
lscp_param_concat(szQuery, sizeof(szQuery), pParam); |
946 |
return lscp_client_query(pClient, szQuery); |
947 |
} |
948 |
|
949 |
// end of device.c |
950 |
|