| 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 | }; |