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mpv/demux/demux_packet.h
wm4 b477c68aa0 demux: workaround for -demuxer mpegts -correct-pts
Using -demuxer mpegts -correct-pts triggered the assertion in
ds_get_packet2(). This is not surprising, because the correct-pts code
was changed to accept _complete_ packets, while all the old demuxers
(including the mpegts demuxer) require you to use "partial" packet
reads, together with the video_read_frame(). (That function actually
parses video frames, so fragments of the original "packets" can be fed
to the decoder.)

However, it returns out demux_ts packet's are mostly useable. demux_ts
still adds an offset (i.e. ds->buffer_pos != 0) to the packets when
calling internal parser functions, such as in parse_es.c. While this is
unclean design due to mplayer's old video demuxing/decoding path, it can
be easily be made work by modifying the packet as returned by
ds_get_packet2(). We also have to change the packet freeing code, as
demux_packet->buffer doesn't have to point to the start of the memory
allocation anymore.

MPlayer handles this "correctly" because it doesn't have a function that
reads a complete packet.
2013-05-21 22:07:13 +02:00

40 lines
1.3 KiB
C

/*
* This file is part of mplayer2.
*
* mplayer2 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.
*
* mplayer2 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 mplayer2; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef MPLAYER_DEMUX_PACKET_H
#define MPLAYER_DEMUX_PACKET_H
#include <stdbool.h>
#include <sys/types.h>
// Holds one packet/frame/whatever
typedef struct demux_packet {
int len;
double pts;
double duration;
double stream_pts;
int64_t pos; // position in index (AVI) or file (MPG)
unsigned char *buffer;
bool keyframe;
struct demux_packet *next;
void *allocation;
struct AVPacket *avpacket; // original libavformat packet (demux_lavf)
} demux_packet_t;
#endif /* MPLAYER_DEMUX_PACKET_H */