2 * RAW H.265 video demuxer
3 * Copyright (c) 2013 Dirk Farin <dirk.farin@gmail.com>
5 * This file is part of FFmpeg.
7 * FFmpeg is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
12 * FFmpeg is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with FFmpeg; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
25 static int h265_probe(AVProbeData *p)
28 int vps=0, sps=0, pps=0, idr=0;
31 for(i=0; i<p->buf_size-1; i++){
32 code = (code<<8) + p->buf[i];
33 if ((code & 0xffffff00) == 0x100) {
34 uint8_t nal2 = p->buf[i+1];
35 int type = (code & 0x7E)>>1;
37 if (code & 0x81) // forbidden and reserved zero bits
40 if (nal2 & 0xf8) // reserved zero
44 case 32: vps++; break;
45 case 33: sps++; break;
46 case 34: pps++; break;
48 case 20: idr++; break;
53 // printf("vps=%d, sps=%d, pps=%d, idr=%d\n", vps, sps, pps, idr);
55 if (vps && sps && pps && idr)
56 return AVPROBE_SCORE_EXTENSION + 1; // 1 more than .mpg
60 FF_DEF_RAWVIDEO_DEMUXER(h265 , "raw H.265 video", h265_probe, "h265,265,hevc", AV_CODEC_ID_HEVC)