diff options
Diffstat (limited to 'libmpdemux/mpeg_hdr.h')
-rw-r--r-- | libmpdemux/mpeg_hdr.h | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/libmpdemux/mpeg_hdr.h b/libmpdemux/mpeg_hdr.h new file mode 100644 index 0000000000..ccd84bcdb0 --- /dev/null +++ b/libmpdemux/mpeg_hdr.h @@ -0,0 +1,55 @@ +/* + * 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 */ |