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img2_brender_pix.c
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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 
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 
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 
49  .name = "brender_pix",
50  .long_name = NULL_IF_CONFIG_SMALL("BRender PIX image"),
51  .priv_data_size = sizeof(VideoDemuxData),
55  .raw_codec_id = AV_CODEC_ID_BRENDER_PIX,
56  .priv_class = &image2_brender_pix_class,
57 };