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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: video_decoder.c,v 1.35 2001/08/11 18:27:10 guenter Exp $
*
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "xine_internal.h"
static spu_decoder_t* update_spu_decoder(xine_t *this, int type) {
int streamtype = (type>>16) & 0xFF;
spu_decoder_t *spu_decoder = this->spu_decoder_plugins [streamtype];
if (spu_decoder && this->cur_spu_decoder_plugin != spu_decoder) {
if (this->cur_spu_decoder_plugin)
this->cur_spu_decoder_plugin->close (this->cur_spu_decoder_plugin);
this->cur_spu_decoder_plugin = spu_decoder;
this->cur_spu_decoder_plugin->init (this->cur_spu_decoder_plugin,
this->video_out);
}
return spu_decoder;
}
void *video_decoder_loop (void *this_gen) {
buf_element_t *buf;
xine_t *this = (xine_t *) this_gen;
int running = 1;
int i;
int streamtype;
video_decoder_t *decoder;
spu_decoder_t *spu_decoder;
while (running) {
/* printf ("video_decoder: getting buffer...\n"); */
buf = this->video_fifo->get (this->video_fifo);
if (buf->input_pos)
this->cur_input_pos = buf->input_pos;
/* printf ("video_decoder: got buffer %d\n", buf->type); */
switch (buf->type & 0xffff0000) {
case BUF_CONTROL_START:
if (this->cur_video_decoder_plugin) {
this->cur_video_decoder_plugin->close (this->cur_video_decoder_plugin);
this->cur_video_decoder_plugin = NULL;
}
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->video_finished = 0;
this->spu_finished = 0;
/* FIXME: I don't think we need spu_track_map. */
for (i=0 ; i<50; i++)
this->spu_track_map[0] = 0;
this->spu_track_map_entries = 0;
pthread_mutex_unlock (&this->xine_lock);
this->metronom->video_stream_start (this->metronom);
break;
case BUF_SPU_CLUT:
spu_decoder = update_spu_decoder(this, buf->type);
if (spu_decoder)
spu_decoder->decode_data (spu_decoder, buf);
break;
case BUF_SPU_PACKAGE:
/* now, decode this buffer if it's the right track */
if ( (buf->type & 0xFFFF)== this->spu_channel) {
spu_decoder = update_spu_decoder (this, buf->type);
if (spu_decoder)
spu_decoder->decode_data (spu_decoder, buf);
}
break;
case BUF_VIDEO_MPEG:
case BUF_VIDEO_AVI:
/*
printf ("video_decoder: got package %d, decoder_info[0]:%d\n",
buf, buf->decoder_info[0]);
*/
streamtype = (buf->type>>16) & 0xFF;
decoder = this->video_decoder_plugins [streamtype];
if (decoder) {
if (this->cur_video_decoder_plugin != decoder) {
if (this->cur_video_decoder_plugin)
this->cur_video_decoder_plugin->close (this->cur_video_decoder_plugin);
this->cur_video_decoder_plugin = decoder;
this->cur_video_decoder_plugin->init (this->cur_video_decoder_plugin, this->video_out);
}
decoder->decode_data (this->cur_video_decoder_plugin, buf);
}
break;
case BUF_CONTROL_END:
this->metronom->video_stream_end (this->metronom);
if (this->cur_video_decoder_plugin) {
this->cur_video_decoder_plugin->close (this->cur_video_decoder_plugin);
this->cur_video_decoder_plugin = NULL;
}
if (this->cur_spu_decoder_plugin) {
this->cur_spu_decoder_plugin->close (this->cur_spu_decoder_plugin);
this->cur_spu_decoder_plugin = NULL;
}
this->spu_finished = 1;
pthread_mutex_lock (&this->xine_lock);
if (!this->video_finished && (buf->decoder_info[0]==0)) {
this->video_finished = 1;
if (this->audio_finished) {
pthread_mutex_unlock (&this->xine_lock);
xine_notify_stream_finished (this);
} else
pthread_mutex_unlock (&this->xine_lock);
} else
pthread_mutex_unlock (&this->xine_lock);
break;
case BUF_CONTROL_QUIT:
if (this->cur_video_decoder_plugin) {
this->cur_video_decoder_plugin->close (this->cur_video_decoder_plugin);
this->cur_video_decoder_plugin = NULL;
}
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;
}
buf->free_buffer (buf);
}
pthread_exit(NULL);
}
void video_decoder_init (xine_t *this) {
pthread_attr_t pth_attrs;
struct sched_param pth_params;
this->video_fifo = fifo_buffer_new (500, 65536);
pthread_attr_init(&pth_attrs);
pthread_attr_getschedparam(&pth_attrs, &pth_params);
pth_params.sched_priority = sched_get_priority_min(SCHED_OTHER);
pthread_attr_setschedparam(&pth_attrs, &pth_params);
pthread_create (&this->video_thread, &pth_attrs, video_decoder_loop, this) ;
}
void video_decoder_shutdown (xine_t *this) {
buf_element_t *buf;
void *p;
/* this->video_fifo->clear(this->video_fifo); */
buf = this->video_fifo->buffer_pool_alloc (this->video_fifo);
buf->type = BUF_CONTROL_QUIT;
this->video_fifo->put (this->video_fifo, buf);
pthread_join (this->video_thread, &p);
this->video_out->exit (this->video_out);
}
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