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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      = { AV_CODEC_ID_THEORA, AV_CODEC_ID_VP3, AV_CODEC_ID_VP6,
  40.                         AV_CODEC_ID_VP6F,   AV_CODEC_ID_VP6A },
  41.     .parser_parse   = parse,
  42. };
  43.