mirror of
https://github.com/FFmpeg/FFmpeg.git
synced 2024-11-21 10:55:51 +02:00
52 lines
1.6 KiB
C
52 lines
1.6 KiB
C
|
/*
|
||
|
|
* Alias 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 brender_read_probe(AVProbeData *p)
|
||
|
|
{
|
||
|
|
int width = AV_RB16(p->buf);
|
||
|
|
int height = AV_RB16(p->buf+2);
|
||
|
|
int ox = AV_RB16(p->buf+4);
|
||
|
|
int oy = AV_RB16(p->buf+6);
|
||
|
|
int bpp = AV_RB16(p->buf+8);
|
||
|
|
int count = p->buf[10];
|
||
|
|
|
||
|
|
if (!count || !height || count > width)
|
||
|
|
return 0;
|
||
|
|
|
||
|
|
if (bpp != 24 && bpp != 8)
|
||
|
|
return 0;
|
||
|
|
|
||
|
|
return AVPROBE_SCORE_EXTENSION + 1;
|
||
|
|
}
|
||
|
|
|
||
|
|
AVInputFormat ff_image2_alias_pix_demuxer = {
|
||
|
|
.name = "alias_pix",
|
||
|
|
.long_name = NULL_IF_CONFIG_SMALL("Alias/Wavefront PIX image"),
|
||
|
|
.priv_data_size = sizeof(VideoDemuxData),
|
||
|
|
.read_probe = brender_read_probe,
|
||
|
|
.read_header = ff_img_read_header,
|
||
|
|
.read_packet = ff_img_read_packet,
|
||
|
|
.raw_codec_id = AV_CODEC_ID_ALIAS_PIX,
|
||
|
|
};
|