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mpv/libmpdemux/mpeg_hdr.h
reimar 264e6c23fe Parse and use the information from the frame rate extension header for MPEG-2.
-identify still does not show the right values though.
Fixes bug #1636.


git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@30681 b3059339-0415-0410-9bf9-f77b7e298cf2
2010-02-21 13:53:41 +00:00

56 lines
2.1 KiB
C

/*
* This file is part of MPlayer.
*
* MPlayer 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.
*
* MPlayer 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 MPlayer; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef MPLAYER_MPEG_HDR_H
#define MPLAYER_MPEG_HDR_H
typedef struct {
// video info:
int mpeg1; // 0=mpeg2 1=mpeg1
int display_picture_width;
int display_picture_height;
int aspect_ratio_information;
int frame_rate_code;
float fps;
int frame_rate_extension_n;
int frame_rate_extension_d;
int bitrate; // 0x3FFFF==VBR
// timing:
int picture_structure;
int progressive_sequence;
int repeat_first_field;
int progressive_frame;
int top_field_first;
int display_time; // secs*100
//the following are for mpeg4
unsigned int timeinc_resolution, timeinc_bits, timeinc_unit;
int picture_type;
} mp_mpeg_header_t;
int mp_header_process_sequence_header (mp_mpeg_header_t * picture, const unsigned char * buffer);
int mp_header_process_extension (mp_mpeg_header_t * picture, unsigned char * buffer);
float mpeg12_aspect_info(mp_mpeg_header_t *picture);
int mp4_header_process_vol(mp_mpeg_header_t * picture, unsigned char * buffer);
void mp4_header_process_vop(mp_mpeg_header_t * picture, unsigned char * buffer);
int h264_parse_sps(mp_mpeg_header_t * picture, unsigned char * buf, int len);
int mp_vc1_decode_sequence_header(mp_mpeg_header_t * picture, unsigned char * buf, int len);
unsigned char mp_getbits(unsigned char *buffer, unsigned int from, unsigned char len);
#endif /* MPLAYER_MPEG_HDR_H */