doubango/tinyDAV/src/audio/tdav_producer_audio.c
c732d49e
 #if HAVE_CRT
 #define _CRTDBG_MAP_ALLOC 
 #include <stdlib.h> 
 #include <crtdbg.h>
 #endif //HAVE_CRT
 /*
 * Copyright (C) 2017, University of the Basque Country (UPV/EHU)
 * Contact for licensing options: <licensing-mcpttclient(at)mcopenplatform(dot)com>
 *
 * The original file was part of Open Source Doubango Framework
 * Copyright (C) 2010-2011 Mamadou Diop.
 * Copyright (C) 2012 Doubango Telecom <http://doubango.org>
 *
 * This file is part of Open Source Doubango Framework.
 *
 * DOUBANGO is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * DOUBANGO is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with DOUBANGO.
 *
 */
 
 
 /**@file tdav_producer_audio.c
  * @brief Base class for all Audio producers.
  *
  * @author Mamadou Diop <diopmamadou(at)doubango.org>
  *
 
  */
 #include "tinydav/audio/tdav_producer_audio.h"
 
 #include "tinymedia/tmedia_defaults.h"
 
 #define TDAV_PRODUCER_BITS_PER_SAMPLE_DEFAULT	16
 #define TDAV_PRODUCER_CHANNELS_DEFAULT			1
 #define TDAV_PRODUCER_RATE_DEFAULT				8000
 #define TDAV_PRODUCER_PTIME_DEFAULT				20
 #define TDAV_PRODUCER_AUDIO_GAIN_MAX			15
 
 #include "tsk_string.h"
 #include "tsk_debug.h"
 
 /** Initialize Audio producer
 * @param self The producer to initialize
 */
 int tdav_producer_audio_init(tdav_producer_audio_t* self)
 {
 	int ret;
 
 	if(!self){
 		TSK_DEBUG_ERROR("Invalid parameter");
 		return -1;
 	}
 	/* base */
 	if((ret = tmedia_producer_init(TMEDIA_PRODUCER(self)))){
 		return ret;
 	}
 
 	/* self (should be update by prepare() by using the codec's info)*/
 	TMEDIA_PRODUCER(self)->audio.bits_per_sample = TDAV_PRODUCER_BITS_PER_SAMPLE_DEFAULT;
 	TMEDIA_PRODUCER(self)->audio.channels = TDAV_PRODUCER_CHANNELS_DEFAULT;
 	TMEDIA_PRODUCER(self)->audio.rate = TDAV_PRODUCER_RATE_DEFAULT;
 	TMEDIA_PRODUCER(self)->audio.ptime = TDAV_PRODUCER_PTIME_DEFAULT;
 	TMEDIA_PRODUCER(self)->audio.gain = TSK_MIN(tmedia_defaults_get_audio_producer_gain(), TDAV_PRODUCER_AUDIO_GAIN_MAX);
 
 	return 0;
 }
 
 /**
 * Generic function to compare two producers.
 * @param producer1 The first producer to compare.
 * @param producer2 The second producer to compare.
 * @retval Returns an integral value indicating the relationship between the two producers:
 * <0 : @a producer1 less than @a producer2.<br>
 * 0  : @a producer1 identical to @a producer2.<br>
 * >0 : @a producer1 greater than @a producer2.<br>
 */
 int tdav_producer_audio_cmp(const tsk_object_t* producer1, const tsk_object_t* producer2)
 {
 	int ret;
 	tsk_subsat_int32_ptr(producer1, producer2, &ret);
 	return ret;
 }
 
 int tdav_producer_audio_set(tdav_producer_audio_t* self, const tmedia_param_t* param)
 {
 	if(!self){
 		TSK_DEBUG_ERROR("Invalid parameter");
 		return -1;
 	}
 
 	if(param->plugin_type == tmedia_ppt_producer){
 		if(param->value_type == tmedia_pvt_int32){
 			if(tsk_striequals(param->key, "gain")){
 				int32_t gain = *((int32_t*)param->value);
 				if(gain<TDAV_PRODUCER_AUDIO_GAIN_MAX && gain>=0){
 					TMEDIA_PRODUCER(self)->audio.gain = (uint8_t)gain;
 					TSK_DEBUG_INFO("audio producer gain=%u", gain);
 				}
 				else{
 					TSK_DEBUG_ERROR("%u is invalid as gain value", gain);
 					return -2;
 				}
 			}
 			else if(tsk_striequals(param->key, "volume")){
 				TMEDIA_PRODUCER(self)->audio.volume = TSK_TO_INT32((uint8_t*)param->value);
 				TMEDIA_PRODUCER(self)->audio.volume = TSK_CLAMP(0, TMEDIA_PRODUCER(self)->audio.volume, 100);
 				TSK_DEBUG_INFO("audio producer volume=%u", TMEDIA_PRODUCER(self)->audio.volume);
 			}
 		}
 	}
 
 	return 0;
 }
 
 /** Deinitialize a producer
 */
 int tdav_producer_audio_deinit(tdav_producer_audio_t* self)
 {
 	int ret;
 
 	if(!self){
 		TSK_DEBUG_ERROR("Invalid parameter");
 		return -1;
 	}
 
 	/* base */
 	if((ret = tmedia_producer_deinit(TMEDIA_PRODUCER(self)))){
 		return ret;
 	}
 
 	return ret;
 }