95 lines
2.5 KiB
C
95 lines
2.5 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_producer_audio.c
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* @brief Base class for all Audio producers.
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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_producer_audio.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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#include "tsk_debug.h"
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/** Initialize Audio producer
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* @param self The producer to initialize
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*/
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int tdav_producer_audio_init(tdav_producer_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_producer_init(TMEDIA_PRODUCER(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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return 0;
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}
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/**
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* Generic function to compare two producers.
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* @param producer1 The first producer to compare.
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* @param producer2 The second producer to compare.
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* @retval Returns an integral value indicating the relationship between the two producers:
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* <0 : @a producer1 less than @a producer2.<br>
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* 0 : @a producer1 identical to @a producer2.<br>
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* >0 : @a producer1 greater than @a producer2.<br>
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*/
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int tdav_producer_audio_cmp(const tsk_object_t* producer1, const tsk_object_t* producer2)
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{
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return (TDAV_PRODUCER_AUDIO(producer1) - TDAV_PRODUCER_AUDIO(producer2));
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}
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/** Deinitialize a producer
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*/
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int tdav_producer_audio_deinit(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_producer_deinit(TMEDIA_PRODUCER(self)))){
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return ret;
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}
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return ret;
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} |