mirror of
https://github.com/mpv-player/mpv
synced 2024-12-22 23:02:37 +00:00
56 lines
2.1 KiB
C
56 lines
2.1 KiB
C
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/*
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* This file is part of MPlayer.
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*
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* MPlayer is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* MPlayer is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with MPlayer; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#ifndef MPLAYER_MPEG_HDR_H
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#define MPLAYER_MPEG_HDR_H
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typedef struct {
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// video info:
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int mpeg1; // 0=mpeg2 1=mpeg1
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int display_picture_width;
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int display_picture_height;
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int aspect_ratio_information;
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int frame_rate_code;
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float fps;
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int frame_rate_extension_n;
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int frame_rate_extension_d;
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int bitrate; // 0x3FFFF==VBR
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// timing:
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int picture_structure;
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int progressive_sequence;
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int repeat_first_field;
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int progressive_frame;
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int top_field_first;
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int display_time; // secs*100
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//the following are for mpeg4
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unsigned int timeinc_resolution, timeinc_bits, timeinc_unit;
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int picture_type;
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} mp_mpeg_header_t;
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int mp_header_process_sequence_header (mp_mpeg_header_t * picture, const unsigned char * buffer);
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int mp_header_process_extension (mp_mpeg_header_t * picture, unsigned char * buffer);
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float mpeg12_aspect_info(mp_mpeg_header_t *picture);
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int mp4_header_process_vol(mp_mpeg_header_t * picture, unsigned char * buffer);
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void mp4_header_process_vop(mp_mpeg_header_t * picture, unsigned char * buffer);
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int h264_parse_sps(mp_mpeg_header_t * picture, unsigned char * buf, int len);
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int mp_vc1_decode_sequence_header(mp_mpeg_header_t * picture, unsigned char * buf, int len);
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unsigned char mp_getbits(unsigned char *buffer, unsigned int from, unsigned char len);
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#endif /* MPLAYER_MPEG_HDR_H */
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