aac5773f
 hucm
功能基本完成，接口待打磨
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/*
* 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 brender_read_probe(const 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;
}
static const AVClass image2_brender_pix_class = {
.class_name = "brender_pix demuxer",
.item_name = av_default_item_name,
.option = ff_img_options,
.version = LIBAVUTIL_VERSION_INT,
};
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 = brender_read_probe,
.read_header = ff_img_read_header,
.read_packet = ff_img_read_packet,
.raw_codec_id = AV_CODEC_ID_BRENDER_PIX,
.priv_class = &image2_brender_pix_class,
};
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