167 lines
4.1 KiB
C
167 lines
4.1 KiB
C
/*
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* Copyright (C) 2009 Mamadou Diop.
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*
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* Contact: Mamadou Diop <diopmamadou(at)doubango.org>
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*
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* This file is part of Open Source Doubango Framework.
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*
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* DOUBANGO is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* DOUBANGO 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
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with DOUBANGO.
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*
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*/
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/**@file tdav_consumer_audio.c
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* @brief Base class for all Audio consumers.
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*
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* @author Mamadou Diop <diopmamadou(at)doubango.org>
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*
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* @date Created: Sat Nov 8 16:54:58 2009 mdiop
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*/
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#include "tinydav/audio/tdav_consumer_audio.h"
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#include "tinyrtp/rtp/trtp_rtp_header.h"
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#include "tsk_memory.h"
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#include "tsk_time.h"
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#include "tsk_debug.h"
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#define TDAV_BITS_PER_SAMPLE_DEFAULT 16
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#define TDAV_CHANNELS_DEFAULT 2
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#define TDAV_RATE_DEFAULT 8000
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#define TDAV_PTIME_DEFAULT 20
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/** Initialize audio consumer */
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int tdav_consumer_audio_init(tdav_consumer_audio_t* self)
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{
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int ret;
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if(!self){
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TSK_DEBUG_ERROR("Invalid parameter");
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return -1;
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}
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/* base */
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if((ret = tmedia_consumer_init(TMEDIA_CONSUMER(self)))){
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return ret;
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}
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/* self (should be update by prepare() by using the codec's info)*/
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self->bits_per_sample = TDAV_BITS_PER_SAMPLE_DEFAULT;
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self->channels = TDAV_CHANNELS_DEFAULT;
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self->rate = TDAV_RATE_DEFAULT;
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self->ptime = TDAV_PTIME_DEFAULT;
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/* self:jitterbuffer */
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if(!self->jb.jbuffer){
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self->jb.jbuffer = jb_new();
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self->jb.jcodec = JB_CODEC_OTHER; // FIXME: e.g. JB_CODEC_G711x
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}
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tsk_safeobj_init(self);
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return 0;
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}
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/**
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* Generic function to compare two consumers.
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* @param consumer1 The first consumer to compare.
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* @param consumer2 The second consumer to compare.
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* @retval Returns an integral value indicating the relationship between the two consumers:
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* <0 : @a consumer1 less than @a consumer2.<br>
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* 0 : @a consumer1 identical to @a consumer2.<br>
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* >0 : @a consumer1 greater than @a consumer2.<br>
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*/
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int tdav_consumer_audio_cmp(const tsk_object_t* consumer1, const tsk_object_t* consumer2)
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{
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return (TDAV_CONSUMER_AUDIO(consumer1) - TDAV_CONSUMER_AUDIO(consumer2));
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}
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/* put data into the jitter buffer */
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int tdav_consumer_audio_put(tdav_consumer_audio_t* self, void** data, const tsk_object_t* proto_hdr)
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{
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const trtp_rtp_header_t* rtp_hdr = (const trtp_rtp_header_t*)proto_hdr;
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if(!self || !data || !*data || !self->jb.jbuffer || !rtp_hdr){
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TSK_DEBUG_ERROR("Invalid parameter");
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return -1;
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}
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tsk_safeobj_lock(self);
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jb_put(self->jb.jbuffer, *data, JB_TYPE_VOICE, self->ptime, rtp_hdr->timestamp, (long)tsk_time_now(), self->jb.jcodec);
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*data = tsk_null;
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tsk_safeobj_unlock(self);
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return 0;
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}
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/* get data drom the jitter buffer */
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void* tdav_consumer_audio_get(tdav_consumer_audio_t* self)
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{
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void* data = tsk_null;
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int jret;
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if(!self || !self->jb.jbuffer){
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TSK_DEBUG_ERROR("Invalid parameter");
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return tsk_null;
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}
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tsk_safeobj_lock(self);
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jret = jb_get(self->jb.jbuffer, (void**)&data, (long)tsk_time_now(), self->ptime);
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tsk_safeobj_unlock(self);
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switch(jret){
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case JB_OK:
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break;
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case JB_INTERP:
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{
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jb_reset_all(self->jb.jbuffer);
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}
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break;
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case JB_EMPTY:
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case JB_NOFRAME:
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case JB_NOJB:
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default:
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break;
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}
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return data;
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}
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/* tsk_safeobj_lock(self); */
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/* tsk_safeobj_unlock(self); */
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/** DeInitialize audio consumer */
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int tdav_consumer_audio_deinit(tdav_consumer_audio_t* self)
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{
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int ret;
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if(!self){
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TSK_DEBUG_ERROR("Invalid parameter");
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return -1;
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}
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/* base */
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if((ret = tmedia_consumer_deinit(TMEDIA_CONSUMER(self)))){
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/* return ret; */
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}
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/* self */
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if(self->jb.jbuffer){
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jb_destroy(self->jb.jbuffer);
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}
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tsk_safeobj_deinit(self);
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return 0;
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}
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