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* 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_consumer_audio.c
* @brief Base class for all Audio consumers.
*/
#include "tinydav/audio/tdav_consumer_audio.h"
#include "tinymedia/tmedia_defaults.h"
#include "tinymedia/tmedia_denoise.h"
#include "tinymedia/tmedia_resampler.h"
#include "tinymedia/tmedia_jitterbuffer.h"
#include "tinyrtp/rtp/trtp_rtp_header.h"
#include "tsk_string.h"
#include "tsk_memory.h"
#include "tsk_time.h"
#include "tsk_debug.h"
#if TSK_UNDER_WINDOWS
# include <Winsock2.h> // timeval
#elif defined(__SYMBIAN32__)
# include <_timeval.h>
#else
# include <sys/time.h>
#endif
#define TDAV_BITS_PER_SAMPLE_DEFAULT 16
#define TDAV_CHANNELS_DEFAULT 2
#define TDAV_RATE_DEFAULT 8000
#define TDAV_PTIME_DEFAULT 20
#define TDAV_AUDIO_GAIN_MAX 15
/** Initialize audio consumer */
int tdav_consumer_audio_init(tdav_consumer_audio_t* self)
{
int ret;
TSK_DEBUG_INFO("tdav_consumer_audio_init()");
if (!self){
TSK_DEBUG_ERROR("Invalid parameter");
return -1;
}
/* base */
if ((ret = tmedia_consumer_init(TMEDIA_CONSUMER(self)))){
return ret;
}
/* self (should be update by prepare() by using the codec's info)*/
TMEDIA_CONSUMER(self)->audio.bits_per_sample = TDAV_BITS_PER_SAMPLE_DEFAULT;
TMEDIA_CONSUMER(self)->audio.ptime = TDAV_PTIME_DEFAULT;
TMEDIA_CONSUMER(self)->audio.in.channels = TDAV_CHANNELS_DEFAULT;
TMEDIA_CONSUMER(self)->audio.in.rate = TDAV_RATE_DEFAULT;
TMEDIA_CONSUMER(self)->audio.gain = TSK_MIN(tmedia_defaults_get_audio_consumer_gain(), TDAV_AUDIO_GAIN_MAX);
tsk_safeobj_init(self);
return 0;
}
/**
* Generic function to compare two consumers.
* @param consumer1 The first consumer to compare.
* @param consumer2 The second consumer to compare.
* @retval Returns an integral value indicating the relationship between the two consumers:
* <0 : @a consumer1 less than @a consumer2.<br>
* 0 : @a consumer1 identical to @a consumer2.<br>
* >0 : @a consumer1 greater than @a consumer2.<br>
*/
int tdav_consumer_audio_cmp(const tsk_object_t* consumer1, const tsk_object_t* consumer2)
{
int ret;
tsk_subsat_int32_ptr(consumer1, consumer2, &ret);
return ret;
}
int tdav_consumer_audio_set(tdav_consumer_audio_t* self, const tmedia_param_t* param)
{
if (!self){
TSK_DEBUG_ERROR("Invalid parameter");
return -1;
}
if (param->plugin_type == tmedia_ppt_consumer){
if (param->value_type == tmedia_pvt_int32){
if (tsk_striequals(param->key, "gain")){
int32_t gain = *((int32_t*)param->value);
if (gain < TDAV_AUDIO_GAIN_MAX && gain >= 0){
TMEDIA_CONSUMER(self)->audio.gain = (uint8_t)gain;
TSK_DEBUG_INFO("audio consumer gain=%u", gain);
}
else{
TSK_DEBUG_ERROR("%u is invalid as gain value", gain);
return -2;
}
}
else if (tsk_striequals(param->key, "volume")){
TMEDIA_CONSUMER(self)->audio.volume = TSK_TO_INT32((uint8_t*)param->value);
TMEDIA_CONSUMER(self)->audio.volume = TSK_CLAMP(0, TMEDIA_CONSUMER(self)->audio.volume, 100);
}
}
}
return 0;
}
/* put data (bytes not shorts) into the jitter buffer (consumers always have ptime of 20ms) */
int tdav_consumer_audio_put(tdav_consumer_audio_t* self, const void* data, tsk_size_t data_size, const tsk_object_t* proto_hdr)
{
int ret;
if (!self || !data || !self->jitterbuffer){
TSK_DEBUG_ERROR("Invalid parameter");
return -1;
}
tsk_safeobj_lock(self);
if (!TMEDIA_JITTER_BUFFER(self->jitterbuffer)->opened){
uint32_t rate = TMEDIA_CONSUMER(self)->audio.out.rate ? TMEDIA_CONSUMER(self)->audio.out.rate : TMEDIA_CONSUMER(self)->audio.in.rate;
uint32_t channels = TMEDIA_CONSUMER(self)->audio.out.channels ? TMEDIA_CONSUMER(self)->audio.out.channels : tmedia_defaults_get_audio_channels_playback();
if ((ret = tmedia_jitterbuffer_open(self->jitterbuffer, TMEDIA_CONSUMER(self)->audio.ptime, rate, channels))){
TSK_DEBUG_ERROR("Failed to open jitterbuffer (%d)", ret);
tsk_safeobj_unlock(self);
return ret;
}
}
ret = tmedia_jitterbuffer_put(self->jitterbuffer, (void*)data, data_size, proto_hdr);
tsk_safeobj_unlock(self);
return ret;
}
/* get data from the jitter buffer (consumers should always have ptime of 20ms) */
tsk_size_t tdav_consumer_audio_get(tdav_consumer_audio_t* self, void* out_data, tsk_size_t out_size)
{
tsk_size_t ret_size = 0;
if (!self || !self->jitterbuffer){
TSK_DEBUG_ERROR("Invalid parameter");
return 0;
}
tsk_safeobj_lock(self);
if (!TMEDIA_JITTER_BUFFER(self->jitterbuffer)->opened){
int ret;
uint32_t frame_duration = TMEDIA_CONSUMER(self)->audio.ptime;
uint32_t rate = TMEDIA_CONSUMER(self)->audio.out.rate ? TMEDIA_CONSUMER(self)->audio.out.rate : TMEDIA_CONSUMER(self)->audio.in.rate;
uint32_t channels = TMEDIA_CONSUMER(self)->audio.out.channels ? TMEDIA_CONSUMER(self)->audio.out.channels : tmedia_defaults_get_audio_channels_playback();
if ((ret = tmedia_jitterbuffer_open(TMEDIA_JITTER_BUFFER(self->jitterbuffer), frame_duration, rate, channels))){
TSK_DEBUG_ERROR("Failed to open jitterbuffer (%d)", ret);
tsk_safeobj_unlock(self);
return 0;
}
}
ret_size = tmedia_jitterbuffer_get(TMEDIA_JITTER_BUFFER(self->jitterbuffer), out_data, out_size);
tsk_safeobj_unlock(self);
// denoiser
if (self->denoise && self->denoise->opened && (self->denoise->echo_supp_enabled || self->denoise->noise_supp_enabled)) {
if (self->denoise->echo_supp_enabled) {
// Echo process last frame
if (self->denoise->playback_frame && self->denoise->playback_frame->size) {
tmedia_denoise_echo_playback(self->denoise, self->denoise->playback_frame->data, (uint32_t)self->denoise->playback_frame->size);
}
if (ret_size){
// save
tsk_buffer_copy(self->denoise->playback_frame, 0, out_data, ret_size);
}
}
#if 1 // suppress noise if not supported by remote party's encoder
// suppress noise
if (self->denoise->noise_supp_enabled && ret_size) {
tmedia_denoise_process_playback(self->denoise, out_data, (uint32_t)ret_size);
}
#endif
}
return ret_size;
}
int tdav_consumer_audio_tick(tdav_consumer_audio_t* self)
{
if (!self || !self->jitterbuffer){
TSK_DEBUG_ERROR("Invalid parameter");
return 0;
}
return tmedia_jitterbuffer_tick(TMEDIA_JITTER_BUFFER(self->jitterbuffer));
}
/* set denioiser */
void tdav_consumer_audio_set_denoise(tdav_consumer_audio_t* self, struct tmedia_denoise_s* denoise)
{
tsk_safeobj_lock(self);
TSK_OBJECT_SAFE_FREE(self->denoise);
self->denoise = (struct tmedia_denoise_s*)tsk_object_ref(denoise);
tsk_safeobj_unlock(self);
}
void tdav_consumer_audio_set_jitterbuffer(tdav_consumer_audio_t* self, struct tmedia_jitterbuffer_s* jitterbuffer)
{
tsk_safeobj_lock(self);
TSK_OBJECT_SAFE_FREE(self->jitterbuffer);
self->jitterbuffer = (struct tmedia_jitterbuffer_s*)tsk_object_ref(jitterbuffer);
tsk_safeobj_unlock(self);
}
/** Reset jitterbuffer */
int tdav_consumer_audio_reset(tdav_consumer_audio_t* self){
int ret;
if (!self) {
TSK_DEBUG_ERROR("Invalid parameter");
return -1;
}
tsk_safeobj_lock(self);
ret = tmedia_jitterbuffer_reset(TMEDIA_JITTER_BUFFER(self->jitterbuffer));
tsk_safeobj_unlock(self);
return ret;
}
/* tsk_safeobj_lock(self); */
/* tsk_safeobj_unlock(self); */
/** DeInitialize audio consumer */
int tdav_consumer_audio_deinit(tdav_consumer_audio_t* self)
{
int ret;
if (!self){
TSK_DEBUG_ERROR("Invalid parameter");
return -1;
}
/* base */
if ((ret = tmedia_consumer_deinit(TMEDIA_CONSUMER(self)))){
/* return ret; */
}
/* self */
TSK_OBJECT_SAFE_FREE(self->denoise);
TSK_OBJECT_SAFE_FREE(self->resampler);
TSK_OBJECT_SAFE_FREE(self->jitterbuffer);
tsk_safeobj_deinit(self);
return 0;
}
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