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FFmpeg/libavformat/img2_brender_pix.c
Michael Niedermayer 075d6c066b avformat: add image2 brender pix demuxer
Reviewed-by: wm4 <nfxjfg@googlemail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2014-03-28 23:54:51 +01:00

50 lines
1.6 KiB
C

/*
* BRender PIX image demuxer
* Copyright (c) 2014 Michael Niedermayer
*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "img2.h"
#include "libavutil/intreadwrite.h"
static int aliaspix_read_probe(AVProbeData *p)
{
static const uint8_t brender_magic[16] = {
0,0,0,0x12,0,0,0,8,0,0,0,2,0,0,0,2
};
if (memcmp(p->buf, brender_magic, sizeof(brender_magic)))
return 0;
if (AV_RB32(p->buf+16) != 0x03 &&
AV_RB32(p->buf+16) != 0x3D)
return 0;
return AVPROBE_SCORE_MAX-10;
}
AVInputFormat ff_image2_brender_pix_demuxer = {
.name = "brender_pix",
.long_name = NULL_IF_CONFIG_SMALL("BRender PIX image"),
.priv_data_size = sizeof(VideoDemuxData),
.read_probe = aliaspix_read_probe,
.read_header = ff_img_read_header,
.read_packet = ff_img_read_packet,
.raw_codec_id = AV_CODEC_ID_BRENDER_PIX,
};