1 /*
2 * PVF demuxer
3 * Copyright (c) 2012 Paul B Mahol
4 *
5 * This file is part of FFmpeg.
6 *
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.
11 *
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.
16 *
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
20 */
21
25
27 {
28 if (!memcmp(p->
buf,
"PVF1\n", 5))
30 return 0;
31 }
32
34 {
38
41 if (sscanf(buffer, "%d %d %d",
42 &channels,
43 &sample_rate,
44 &bps) != 3)
46
47 if (channels <= 0 || bps <= 0 || sample_rate <= 0)
49
51 if (!st)
53
60
62
63 return 0;
64 }
65
73 .extensions = "pvf",
75 };