/src/ffmpeg/libavformat/img2_brender_pix.c
Line | Count | Source |
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 "demux.h" |
23 | | #include "img2.h" |
24 | | #include "libavutil/intreadwrite.h" |
25 | | |
26 | | static int brender_read_probe(const AVProbeData *p) |
27 | 955k | { |
28 | 955k | static const uint8_t brender_magic[16] = { |
29 | 955k | 0,0,0,0x12,0,0,0,8,0,0,0,2,0,0,0,2 |
30 | 955k | }; |
31 | | |
32 | 955k | if (memcmp(p->buf, brender_magic, sizeof(brender_magic))) |
33 | 955k | return 0; |
34 | | |
35 | 518 | if (AV_RB32(p->buf+16) != 0x03 && |
36 | 409 | AV_RB32(p->buf+16) != 0x3D) |
37 | 367 | return 0; |
38 | | |
39 | 151 | return AVPROBE_SCORE_MAX-10; |
40 | 518 | } |
41 | | |
42 | | static const AVClass image2_brender_pix_class = { |
43 | | .class_name = "brender_pix demuxer", |
44 | | .item_name = av_default_item_name, |
45 | | .option = ff_img_options, |
46 | | .version = LIBAVUTIL_VERSION_INT, |
47 | | }; |
48 | | |
49 | | const FFInputFormat ff_image2_brender_pix_demuxer = { |
50 | | .p.name = "brender_pix", |
51 | | .p.long_name = NULL_IF_CONFIG_SMALL("BRender PIX image"), |
52 | | .p.priv_class = &image2_brender_pix_class, |
53 | | .priv_data_size = sizeof(VideoDemuxData), |
54 | | .read_probe = brender_read_probe, |
55 | | .read_header = ff_img_read_header, |
56 | | .read_packet = ff_img_read_packet, |
57 | | .raw_codec_id = AV_CODEC_ID_BRENDER_PIX, |
58 | | }; |