1 files changed, 272 insertions, 0 deletions
diff --git a/tinyDAV/src/audio/tdav_consumer_audio.c b/tinyDAV/src/audio/tdav_consumer_audio.c
new file mode 100644
index 0000000..73d9688
--- /dev/null
+++ b/tinyDAV/src/audio/tdav_consumer_audio.c
@@ -0,0 +1,272 @@
+/*
+* Copyright (C) 2010-2015 Mamadou DIOP.
+*
+* 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;
+}
+