From 4067d81be2dfcb1cc14d02ac4b6ac657b3895f85 Mon Sep 17 00:00:00 2001 From: Baptiste Coudurier Date: Mon, 6 Nov 2006 10:43:49 +0000 Subject: move AVCodecParser prototypes and definitions to parser.h, and move mpegvideo parser to mpeg12.c Originally committed as revision 6914 to svn://svn.ffmpeg.org/ffmpeg/trunk --- libavcodec/parser.h | 64 +++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 64 insertions(+) create mode 100644 libavcodec/parser.h (limited to 'libavcodec/parser.h') diff --git a/libavcodec/parser.h b/libavcodec/parser.h new file mode 100644 index 0000000000..46e1d8c1e3 --- /dev/null +++ b/libavcodec/parser.h @@ -0,0 +1,64 @@ +/* + * 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); +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); + +/* cavs.c */ +int ff_cavs_find_frame_end(ParseContext *pc, const uint8_t *buf, int buf_size); + +#endif /* !FFMPEG_PARSER_H */ -- cgit v1.2.3