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/*
* RAW H.265 video demuxer
* Copyright (c) 2013 Dirk Farin <dirk.farin@gmail.com>
*
* 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 "avformat.h"
#include "rawdec.h"
static int h265_probe(AVProbeData *p)
{
uint32_t code= -1;
int vps=0, sps=0, pps=0, idr=0;
int i;
for(i=0; i<p->buf_size-1; i++){
code = (code<<8) + p->buf[i];
if ((code & 0xffffff00) == 0x100) {
uint8_t nal2 = p->buf[i+1];
int type = (code & 0x7E)>>1;
if (code & 0x81) // forbidden and reserved zero bits
return 0;
if (nal2 & 0xf8) // reserved zero
return 0;
switch (type) {
case 32: vps++; break;
case 33: sps++; break;
case 34: pps++; break;
case 19:
case 20: idr++; break;
}
}
}
// printf("vps=%d, sps=%d, pps=%d, idr=%d\n", vps, sps, pps, idr);
if (vps && sps && pps && idr)
return AVPROBE_SCORE_EXTENSION + 1; // 1 more than .mpg
return 0;
}
FF_DEF_RAWVIDEO_DEMUXER(h265 , "raw H.265 video", h265_probe, "h265,265,hevc", AV_CODEC_ID_HEVC)
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