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/*
* Copyright (C) 2000-2001 the xine project
*
* This file is part of xine, a unix video player.
*
* xine 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 2 of the License, or
* (at your option) any later version.
*
* xine 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 this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
*
* $Id: audio_decoder.c,v 1.2 2001/04/22 02:42:49 guenter Exp $
*
*
* functions that implement audio decoding
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "xine_internal.h"
void *audio_decoder_loop (void *this_gen) {
buf_element_t *buf;
xine_t *this = (xine_t *) this_gen;
int running = 1;
audio_decoder_t *decoder;
while (running) {
buf = this->audio_fifo->get (this->audio_fifo);
if (this->audio_out) {
/* FIXME gAD.mnCurPos = pBuf->nInputPos; */
switch (buf->type) {
case BUF_CONTROL_START:
if (this->audio_cur_decoder) {
this->audio_cur_decoder->close (this->audio_cur_decoder);
this->audio_cur_decoder = NULL;
}
pthread_mutex_lock (&this->xine_lock);
this->audio_finished = 0;
pthread_mutex_unlock (&this->xine_lock);
break;
case BUF_AUDIO_AC3:
case BUF_AUDIO_MPEG:
case BUF_AUDIO_LPCM:
case BUF_AUDIO_AVI:
decoder = this->audio_decoders [(buf->type>>16) & 0xFF];
if (decoder) {
if (this->audio_cur_decoder != decoder) {
if (this->audio_cur_decoder)
this->audio_cur_decoder->close (this->audio_cur_decoder);
this->audio_cur_decoder = decoder;
this->audio_cur_decoder->init (this->audio_cur_decoder, this->audio_out);
}
decoder->decode_data (decoder, buf);
}
break;
case BUF_CONTROL_END:
if (this->audio_cur_decoder) {
this->audio_cur_decoder->close (this->audio_cur_decoder);
this->audio_cur_decoder = NULL;
}
pthread_mutex_lock (&this->xine_lock);
this->audio_finished = 1;
if (this->video_finished) {
pthread_mutex_unlock (&this->xine_lock);
xine_notify_stream_finished (this);
} else
pthread_mutex_unlock (&this->xine_lock);
break;
case BUF_CONTROL_QUIT:
if (this->audio_cur_decoder) {
this->audio_cur_decoder->close (this->audio_cur_decoder);
this->audio_cur_decoder = NULL;
}
running = 0;
break;
}
}
buf->free_buffer (buf);
}
return NULL;
}
void audio_decoder_init (xine_t *this) {
int i;
this->audio_cur_decoder = NULL;
for (i=0; i<AUDIO_OUT_PLUGIN_MAX; i++)
this->audio_decoders[i] = NULL;
/* FIXME: dynamically load these
this->audio_decoders[BUF_AC3AUDIO] = init_audio_decoder_ac3dec ();
this->audio_decoders[BUF_MPEGAUDIO] = init_audio_decoder_mpg123 ();
this->audio_decoders[BUF_MSAUDIO] = init_audio_decoder_msaudio ();
this->audio_decoders[BUF_LINEARPCM] = init_audio_decoder_linearpcm ();
*/
this->audio_fifo = fifo_buffer_new ();
pthread_create (&this->audio_thread, NULL, audio_decoder_loop, this) ;
printf ("audio_decoder_init: audio thread created\n");
}
void audio_decoder_shutdown (xine_t *this) {
buf_element_t *buf;
void *p;
this->audio_fifo->clear(this->audio_fifo);
buf = this->audio_fifo->buffer_pool_alloc ();
buf->type = BUF_CONTROL_QUIT;
this->audio_fifo->put (this->audio_fifo, buf);
pthread_join (this->audio_thread, &p);
}
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