/*
  * RAW DNxHD (SMPTE VC-3) demuxer
  * Copyright (c) 2008 Baptiste Coudurier <baptiste.coudurier@gmail.com>
  * Copyright (c) 2009 Reimar Döffinger <Reimar.Doeffinger@gmx.de>
  *
  * 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 "libavutil/intreadwrite.h"
 #include "avformat.h"

 #include "rawdec.h"

 
 static int dnxhd_probe(AVProbeData *p)
 {
     static const uint8_t header[] = {0x00,0x00,0x02,0x80,0x01};
     int w, h, compression_id;
     if (p->buf_size < 0x2c)
         return 0;
     if (memcmp(p->buf, header, 5))
         return 0;
     h = AV_RB16(p->buf + 0x18);
     w = AV_RB16(p->buf + 0x1a);
     if (!w || !h)
         return 0;
     compression_id = AV_RB32(p->buf + 0x28);

     if (compression_id < 1235 || compression_id > 1253)

         return 0;
     return AVPROBE_SCORE_MAX;
 }
 

 FF_DEF_RAWVIDEO_DEMUXER(dnxhd, "raw DNxHD (SMPTE VC-3)", dnxhd_probe, NULL, AV_CODEC_ID_DNXHD)