mirror of
https://github.com/xenia-project/FFmpeg.git
synced 2024-11-25 12:40:01 +00:00
2e0c360abd
* qatar/master: cosmetics: Align muxer/demuxer declarations mpeg12: Do not change frame_pred_frame_dct flag and demote error into a warning avcodec: remove avcodec_guess_channel_layout() avutil: Add av_get_default_channel_layout() Conflicts: doc/APIchanges libavcodec/mpeg12.c libavformat/cdg.c libavformat/matroskaenc.c libavformat/mpegts.c libavformat/nuv.c libavformat/wav.c libavutil/audioconvert.c libavutil/audioconvert.h libavutil/avutil.h Merged-by: Michael Niedermayer <michaelni@gmx.at>
74 lines
2.5 KiB
C
74 lines
2.5 KiB
C
/*
|
|
* RAW video demuxer
|
|
* Copyright (c) 2001 Fabrice Bellard
|
|
*
|
|
* 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 "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;
|
|
}
|
|
|
|
#define OFFSET(x) offsetof(FFRawVideoDemuxerContext, x)
|
|
#define DEC AV_OPT_FLAG_DECODING_PARAM
|
|
static const AVOption rawvideo_options[] = {
|
|
{ "video_size", "A string describing frame size, such as 640x480 or hd720.", OFFSET(video_size), AV_OPT_TYPE_STRING, {.str = NULL}, 0, 0, DEC },
|
|
{ "pixel_format", "", OFFSET(pixel_format), AV_OPT_TYPE_STRING, {.str = "yuv420p"}, 0, 0, DEC },
|
|
{ "framerate", "", OFFSET(framerate), AV_OPT_TYPE_STRING, {.str = "25"}, 0, 0, DEC },
|
|
{ NULL },
|
|
};
|
|
|
|
static const AVClass rawvideo_demuxer_class = {
|
|
.class_name = "rawvideo demuxer",
|
|
.item_name = av_default_item_name,
|
|
.option = rawvideo_options,
|
|
.version = LIBAVUTIL_VERSION_INT,
|
|
};
|
|
|
|
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",
|
|
.raw_codec_id = CODEC_ID_RAWVIDEO,
|
|
.priv_class = &rawvideo_demuxer_class,
|
|
};
|