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2ba45a60 DM |
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 | }; |