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libavcodec
parser.h
Go to the documentation of this file.
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/*
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* AVCodecParser prototypes and definitions
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* Copyright (c) 2003 Fabrice Bellard
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* Copyright (c) 2003 Michael Niedermayer
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*
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* This file is part of Libav.
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*
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* Libav is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* Libav 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 GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with Libav; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef AVCODEC_PARSER_H
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#define AVCODEC_PARSER_H
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#include "
avcodec.h
"
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typedef
struct
ParseContext
{
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uint8_t *
buffer
;
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int
index
;
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int
last_index
;
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unsigned
int
buffer_size
;
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uint32_t
state
;
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int
frame_start_found
;
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int
overread
;
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int
overread_index
;
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uint64_t
state64
;
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}
ParseContext
;
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struct
MpegEncContext
;
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typedef
struct
ParseContext1
{
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ParseContext
pc
;
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/* XXX/FIXME PC1 vs. PC */
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/* MPEG-2-specific */
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AVRational
frame_rate
;
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int
progressive_sequence
;
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int
width
,
height
;
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/* XXX: suppress that, needed by MPEG-4 */
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struct
MpegEncContext
*
enc
;
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int
first_picture
;
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}
ParseContext1
;
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#define END_NOT_FOUND (-100)
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int
ff_combine_frame
(
ParseContext
*pc,
int
next,
const
uint8_t **buf,
int
*buf_size);
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int
ff_mpeg4video_split
(
AVCodecContext
*
avctx
,
const
uint8_t *buf,
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int
buf_size);
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void
ff_parse_close
(
AVCodecParserContext
*s);
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void
ff_parse1_close
(
AVCodecParserContext
*s);
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void
ff_fetch_timestamp
(
AVCodecParserContext
*s,
int
off
,
int
remove
);
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#endif
/* AVCODEC_PARSER_H */