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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 | ||
23 | static int parse(AVCodecParserContext *s, | |
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 | ||
38 | AVCodecParser ff_vp3_parser = { | |
39 | .codec_ids = { | |
40 | AV_CODEC_ID_THEORA, AV_CODEC_ID_VP3, | |
41 | AV_CODEC_ID_VP6, AV_CODEC_ID_VP6F, AV_CODEC_ID_VP6A | |
42 | }, | |
43 | .parser_parse = parse, | |
44 | }; |