Libav
libavcodec
vp3_parser.c
Go to the documentation of this file.
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/*
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* Copyright (C) 2008 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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#include "
parser.h
"
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static
int
parse
(
AVCodecParserContext
*s,
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AVCodecContext
*avctx,
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const
uint8_t
**poutbuf,
int
*poutbuf_size,
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const
uint8_t
*buf,
int
buf_size)
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{
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if
(avctx->
codec_id
==
AV_CODEC_ID_THEORA
)
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s->
pict_type
= (buf[0] & 0x40) ?
AV_PICTURE_TYPE_P
:
AV_PICTURE_TYPE_I
;
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else
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s->
pict_type
= (buf[0] & 0x80) ?
AV_PICTURE_TYPE_P
:
AV_PICTURE_TYPE_I
;
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*poutbuf = buf;
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*poutbuf_size = buf_size;
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return
buf_size;
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}
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AVCodecParser
ff_vp3_parser
= {
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.
codec_ids
= {
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AV_CODEC_ID_THEORA
,
AV_CODEC_ID_VP3
,
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AV_CODEC_ID_VP6
,
AV_CODEC_ID_VP6F
,
AV_CODEC_ID_VP6A
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},
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.parser_parse =
parse
,
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};
AVCodecParser::codec_ids
int codec_ids[5]
Definition:
avcodec.h:3838
AV_CODEC_ID_VP6
Definition:
avcodec.h:202
parse
static int parse(AVCodecParserContext *s, AVCodecContext *avctx, const uint8_t **poutbuf, int *poutbuf_size, const uint8_t *buf, int buf_size)
Definition:
vp3_parser.c:23
uint8_t
uint8_t
Definition:
audio_convert.c:194
parser.h
AV_CODEC_ID_VP6A
Definition:
avcodec.h:217
AVCodecParserContext::pict_type
int pict_type
Definition:
avcodec.h:3690
AV_CODEC_ID_VP3
Definition:
avcodec.h:140
AVCodecParser
Definition:
avcodec.h:3837
AV_PICTURE_TYPE_I
Intra.
Definition:
avutil.h:253
AVCodecParserContext
Definition:
avcodec.h:3682
AV_CODEC_ID_THEORA
Definition:
avcodec.h:141
AVCodecContext::codec_id
enum AVCodecID codec_id
Definition:
avcodec.h:1067
AVCodecContext
main external API structure.
Definition:
avcodec.h:1050
ff_vp3_parser
AVCodecParser ff_vp3_parser
Definition:
vp3_parser.c:38
AV_CODEC_ID_VP6F
Definition:
avcodec.h:203
AV_PICTURE_TYPE_P
Predicted.
Definition:
avutil.h:254
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