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/*
* various utility functions used within FFmpeg
* Copyright (c) 2000, 2001, 2002 Fabrice Bellard
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FFmpeg 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
/* Functions defined here are functions that cannot be resolved through the
* ffmpeg shared libraries, yet are used in XBMC.
*/
#if (defined HAVE_CONFIG_H) && (!defined WIN32)
#include "config.h"
#endif
#if (defined USE_EXTERNAL_FFMPEG)
#include <libavformat/avformat.h>
/* Taken from libavformat/utils.c */
static void flush_packet_queue(AVFormatContext *s)
{
AVPacketList *pktl;
for(;;) {
pktl = s->packet_buffer;
if (!pktl)
break;
s->packet_buffer = pktl->next;
av_free_packet(&pktl->pkt);
av_free(pktl);
}
while(s->raw_packet_buffer){
pktl = s->raw_packet_buffer;
s->raw_packet_buffer = pktl->next;
av_free_packet(&pktl->pkt);
av_free(pktl);
}
s->packet_buffer_end=
s->raw_packet_buffer_end= NULL;
#ifdef RAW_PACKET_BUFFER_SIZE
// Added on: 2009-06-25
s->raw_packet_buffer_remaining_size = RAW_PACKET_BUFFER_SIZE;
#endif
}
/* Taken from libavformat/utils.c */
void av_read_frame_flush(AVFormatContext *s)
{
AVStream *st;
int i, j;
flush_packet_queue(s);
s->cur_st = NULL;
/* for each stream, reset read state */
for(i = 0; i < s->nb_streams; i++) {
st = s->streams[i];
if (st->parser) {
av_parser_close(st->parser);
st->parser = NULL;
av_free_packet(&st->cur_pkt);
}
st->last_IP_pts = AV_NOPTS_VALUE;
st->cur_dts = AV_NOPTS_VALUE; /* we set the current DTS to an unspecified origin */
st->reference_dts = AV_NOPTS_VALUE;
/* fail safe */
st->cur_ptr = NULL;
st->cur_len = 0;
for(j=0; j<MAX_REORDER_DELAY+1; j++)
st->pts_buffer[j]= AV_NOPTS_VALUE;
}
}
#endif /* (defined USE_EXTERNAL_FFMPEG) */
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