text: /*
   * Copyright (C) 2008 Michael Niedermayer
   *
   * This file is part of FFmpeg.
   *
   * FFmpeg is free software; you can redistribute it and/or
   * modify it under the terms of the GNU Lesser General Public
   * License as published by the Free Software Foundation; either
   * version 2.1 of the License, or (at your option) any later version.
   *
   * FFmpeg is distributed in the hope that it will be useful,
   * but WITHOUT ANY WARRANTY; without even the implied warranty of
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   * Lesser General Public License for more details.
   *
   * You should have received a copy of the GNU Lesser General Public
   * License along with FFmpeg; if not, write to the Free Software
   * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
   */
  
  #include "parser.h"
  
  static int parse(AVCodecParserContext *s,
                   AVCodecContext *avctx,
                   const uint8_t **poutbuf, int *poutbuf_size,
                   const uint8_t *buf, int buf_size)
  {
      if (avctx->codec_id == AV_CODEC_ID_THEORA)
          s->pict_type = (buf[0] & 0x40) ? AV_PICTURE_TYPE_P : AV_PICTURE_TYPE_I;
      else
          s->pict_type = (buf[0] & 0x80) ? AV_PICTURE_TYPE_P : AV_PICTURE_TYPE_I;
  
      *poutbuf      = buf;
      *poutbuf_size = buf_size;
      return buf_size;
  }
  
  AVCodecParser ff_vp3_parser = {
      .codec_ids    = {
          AV_CODEC_ID_THEORA, AV_CODEC_ID_VP3,
          AV_CODEC_ID_VP6, AV_CODEC_ID_VP6F, AV_CODEC_ID_VP6A
      },
      .parser_parse = parse,
  };
  