blob: ae6b3dd7186bbe11734f07e2382e73d78b2f0727
1 | /* |
2 | * BRender PIX image demuxer |
3 | * Copyright (c) 2014 Michael Niedermayer |
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 | |
22 | #include "img2.h" |
23 | #include "libavutil/intreadwrite.h" |
24 | |
25 | static int brender_read_probe(AVProbeData *p) |
26 | { |
27 | static const uint8_t brender_magic[16] = { |
28 | 0,0,0,0x12,0,0,0,8,0,0,0,2,0,0,0,2 |
29 | }; |
30 | |
31 | if (memcmp(p->buf, brender_magic, sizeof(brender_magic))) |
32 | return 0; |
33 | |
34 | if (AV_RB32(p->buf+16) != 0x03 && |
35 | AV_RB32(p->buf+16) != 0x3D) |
36 | return 0; |
37 | |
38 | return AVPROBE_SCORE_MAX-10; |
39 | } |
40 | |
41 | static const AVClass image2_brender_pix_class = { |
42 | .class_name = "brender_pix demuxer", |
43 | .item_name = av_default_item_name, |
44 | .option = ff_img_options, |
45 | .version = LIBAVUTIL_VERSION_INT, |
46 | }; |
47 | |
48 | AVInputFormat ff_image2_brender_pix_demuxer = { |
49 | .name = "brender_pix", |
50 | .long_name = NULL_IF_CONFIG_SMALL("BRender PIX image"), |
51 | .priv_data_size = sizeof(VideoDemuxData), |
52 | .read_probe = brender_read_probe, |
53 | .read_header = ff_img_read_header, |
54 | .read_packet = ff_img_read_packet, |
55 | .raw_codec_id = AV_CODEC_ID_BRENDER_PIX, |
56 | .priv_class = &image2_brender_pix_class, |
57 | }; |
58 |