diff options
Diffstat (limited to 'src/libffmpeg/libavcodec/parser.h')
-rw-r--r-- | src/libffmpeg/libavcodec/parser.h | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/src/libffmpeg/libavcodec/parser.h b/src/libffmpeg/libavcodec/parser.h new file mode 100644 index 000000000..3496b341f --- /dev/null +++ b/src/libffmpeg/libavcodec/parser.h @@ -0,0 +1,63 @@ +/* + * AVCodecParser prototypes and definitions + * Copyright (c) 2003 Fabrice Bellard. + * Copyright (c) 2003 Michael Niedermayer. + * + * This file is part of FFmpeg. + * + * 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 + */ + +#ifndef FFMPEG_PARSER_H +#define FFMPEG_PARSER_H + +typedef struct ParseContext{ + uint8_t *buffer; + int index; + int last_index; + unsigned int buffer_size; + uint32_t state; ///< contains the last few bytes in MSB order + int frame_start_found; + int overread; ///< the number of bytes which where irreversibly read from the next frame + int overread_index; ///< the index into ParseContext.buffer of the overreaded bytes +} ParseContext; + +struct MpegEncContext; + +typedef struct ParseContext1{ + ParseContext pc; +/* XXX/FIXME PC1 vs. PC */ + /* MPEG2 specific */ + AVRational frame_rate; + int progressive_sequence; + int width, height; + + /* XXX: suppress that, needed by MPEG4 */ + struct MpegEncContext *enc; + int first_picture; +} ParseContext1; + +#define END_NOT_FOUND (-100) + +int ff_combine_frame(ParseContext *pc, int next, uint8_t **buf, int *buf_size); +int ff_mpeg4video_split(AVCodecContext *avctx, const uint8_t *buf, + int buf_size); +void ff_parse_close(AVCodecParserContext *s); +void ff_parse1_close(AVCodecParserContext *s); + +/* h263dec.c */ +int ff_mpeg4_find_frame_end(ParseContext *pc, const uint8_t *buf, int buf_size); + +#endif /* !FFMPEG_PARSER_H */ |