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vp3_parser.c
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1 /*
2  * Copyright (C) 2008 Michael Niedermayer
3  *
4  * This file is part of FFmpeg.
5  *
6  * FFmpeg is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU Lesser General Public
8  * License as published by the Free Software Foundation; either
9  * version 2.1 of the License, or (at your option) any later version.
10  *
11  * FFmpeg is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14  * Lesser General Public License for more details.
15  *
16  * You should have received a copy of the GNU Lesser General Public
17  * License along with FFmpeg; if not, write to the Free Software
18  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19  */
20 
21 #include "parser.h"
22 
24  AVCodecContext *avctx,
25  const uint8_t **poutbuf, int *poutbuf_size,
26  const uint8_t *buf, int buf_size)
27 {
28  if (avctx->codec_id == AV_CODEC_ID_THEORA)
29  s->pict_type = (buf[0] & 0x40) ? AV_PICTURE_TYPE_P : AV_PICTURE_TYPE_I;
30  else
31  s->pict_type = (buf[0] & 0x80) ? AV_PICTURE_TYPE_P : AV_PICTURE_TYPE_I;
32 
33  *poutbuf = buf;
34  *poutbuf_size = buf_size;
35  return buf_size;
36 }
37 
39  .codec_ids = {
42  },
43  .parser_parse = parse,
44 };
const char * s
Definition: avisynth_c.h:768
int codec_ids[5]
Definition: avcodec.h:5156
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
enum AVCodecID codec_id
Definition: avcodec.h:1699
main external API structure.
Definition: avcodec.h:1682
void * buf
Definition: avisynth_c.h:690
AVCodecParser ff_vp3_parser
Definition: vp3_parser.c:38
Predicted.
Definition: avutil.h:275