58 lines
1.8 KiB
C
58 lines
1.8 KiB
C
/*
|
|
* RAW video demuxer
|
|
* Copyright (c) 2001 Fabrice Bellard
|
|
*
|
|
* This file is part of Libav.
|
|
*
|
|
* Libav 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.
|
|
*
|
|
* Libav 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 Libav; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
|
*/
|
|
|
|
#include "avformat.h"
|
|
#include "rawdec.h"
|
|
|
|
static int rawvideo_read_packet(AVFormatContext *s, AVPacket *pkt)
|
|
{
|
|
int packet_size, ret, width, height;
|
|
AVStream *st = s->streams[0];
|
|
|
|
width = st->codec->width;
|
|
height = st->codec->height;
|
|
|
|
packet_size = avpicture_get_size(st->codec->pix_fmt, width, height);
|
|
if (packet_size < 0)
|
|
return -1;
|
|
|
|
ret= av_get_packet(s->pb, pkt, packet_size);
|
|
pkt->pts=
|
|
pkt->dts= pkt->pos / packet_size;
|
|
|
|
pkt->stream_index = 0;
|
|
if (ret < 0)
|
|
return ret;
|
|
return 0;
|
|
}
|
|
|
|
AVInputFormat ff_rawvideo_demuxer = {
|
|
.name = "rawvideo",
|
|
.long_name = NULL_IF_CONFIG_SMALL("raw video format"),
|
|
.priv_data_size = sizeof(FFRawVideoDemuxerContext),
|
|
.read_header = ff_raw_read_header,
|
|
.read_packet = rawvideo_read_packet,
|
|
.flags= AVFMT_GENERIC_INDEX,
|
|
.extensions = "yuv,cif,qcif,rgb",
|
|
.value = CODEC_ID_RAWVIDEO,
|
|
.priv_class = &ff_rawvideo_demuxer_class,
|
|
};
|