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/*
* Copyright (C) 2000-2001 the xine project
*
* Copyright (C) James Courtier-Dutton James@superbug.demon.co.uk - July 2001
*
* 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: spu_decoder.c,v 1.4 2001/07/04 20:32:29 uid32519 Exp $
*
* functions that implement spu decoding
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "xine_internal.h"
void *spu_decoder_loop (void *this_gen) {
buf_element_t *buf;
xine_t *this = (xine_t *) this_gen;
int running = 1;
int i;
spu_decoder_t *decoder;
while (running) {
buf = this->spu_fifo->get (this->spu_fifo);
this->cur_input_pos = buf->input_pos;
switch (buf->type) {
case BUF_CONTROL_START:
if (this->cur_spu_decoder_plugin) {
this->cur_spu_decoder_plugin->close (this->cur_spu_decoder_plugin);
this->cur_spu_decoder_plugin = NULL;
}
pthread_mutex_lock (&this->xine_lock);
this->spu_finished = 0;
pthread_mutex_unlock (&this->xine_lock);
for (i=0 ; i<50; i++)
this->spu_track_map[0] = 0;
this->spu_track_map_entries = 0;
break;
case BUF_CONTROL_END:
if (this->cur_spu_decoder_plugin) {
this->cur_spu_decoder_plugin->close (this->cur_spu_decoder_plugin);
this->cur_spu_decoder_plugin = NULL;
}
pthread_mutex_lock (&this->xine_lock);
this->spu_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->cur_spu_decoder_plugin) {
this->cur_spu_decoder_plugin->close (this->cur_spu_decoder_plugin);
this->cur_spu_decoder_plugin = NULL;
}
running = 0;
break;
default:
if ( (buf->type & 0xFF000000) == BUF_SPU_BASE ) {
/* now, decode this buffer if it's the right track */
if ( (buf->type & 0xFFFF)== this->spu_channel) {
int streamtype = (buf->type>>16) & 0xFF;
decoder = this->spu_decoder_plugins [streamtype];
printf("SPU DECODER: %p\n",decoder);
if (decoder) {
if (this->cur_spu_decoder_plugin != decoder) {
if (this->cur_spu_decoder_plugin)
this->cur_spu_decoder_plugin->close (this->cur_spu_decoder_plugin);
this->cur_spu_decoder_plugin = decoder;
this->cur_spu_decoder_plugin->init (this->cur_spu_decoder_plugin, this->video_out);
}
printf ("spu_decoder: decoder data sent\n");
decoder->decode_data (decoder, buf);
}
}
} else
fprintf (stderr,"spu_decoder: unknown buffer type: %08x\n", buf->type);
}
buf->free_buffer (buf);
}
pthread_exit(NULL);
}
void spu_decoder_init (xine_t *this) {
this->spu_fifo = fifo_buffer_new (1500, 4096);
printf ("spu_decoder_init: thread starting %p\n",this->video_out);
pthread_create (&this->spu_thread, NULL, spu_decoder_loop, this) ;
}
void spu_decoder_shutdown (xine_t *this) {
buf_element_t *buf;
void *p;
/* this->spu_fifo->clear(this->spu_fifo); */
buf = this->spu_fifo->buffer_pool_alloc (this->spu_fifo);
buf->type = BUF_CONTROL_QUIT;
this->spu_fifo->put (this->spu_fifo, buf);
pthread_join (this->spu_thread, &p);
}
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