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FFmpeg/libavcodec/rawenc.c
Michael Niedermayer 268098d8b2 Merge remote-tracking branch 'qatar/master'
* qatar/master: (29 commits)
  amrwb: remove duplicate arguments from extrapolate_isf().
  amrwb: error out early if mode is invalid.
  h264: change underread for 10bit QPEL to overread.
  matroska: check buffer size for RM-style byte reordering.
  vp8: disable mmx functions with sse/sse2 counterparts on x86-64.
  vp8: change int stride to ptrdiff_t stride.
  wma: fix invalid buffer size assumptions causing random overreads.
  Windows Media Audio Lossless decoder
  rv10/20: Fix slice overflow with checked bitstream reader.
  h263dec: Disallow width/height changing with frame threads.
  rv10/20: Fix a buffer overread caused by losing track of the remaining buffer size.
  rmdec: Honor .RMF tag size rather than assuming 18.
  g722: Fix the QMF scaling
  r3d: don't set codec timebase.
  electronicarts: set timebase for tgv video.
  electronicarts: parse the framerate for cmv video.
  ogg: don't set codec timebase
  electronicarts: don't set codec timebase
  avs: don't set codec timebase
  wavpack: Fix an integer overflow
  ...

Conflicts:
	libavcodec/arm/vp8dsp_init_arm.c
	libavcodec/fraps.c
	libavcodec/h264.c
	libavcodec/mpeg4videodec.c
	libavcodec/mpegvideo.c
	libavcodec/msmpeg4.c
	libavcodec/pnmdec.c
	libavcodec/qpeg.c
	libavcodec/rawenc.c
	libavcodec/ulti.c
	libavcodec/vcr1.c
	libavcodec/version.h
	libavcodec/wmalosslessdec.c
	libavformat/electronicarts.c
	libswscale/ppc/yuv2rgb_altivec.c
	tests/ref/acodec/g722
	tests/ref/fate/ea-cmv

Merged-by: Michael Niedermayer <michaelni@gmx.at>
2012-03-03 00:23:10 +01:00

78 lines
2.5 KiB
C

/*
* Raw Video Encoder
* 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
*/
/**
* @file
* Raw Video Encoder
*/
#include "avcodec.h"
#include "raw.h"
#include "internal.h"
#include "libavutil/pixdesc.h"
#include "libavutil/intreadwrite.h"
static av_cold int raw_init_encoder(AVCodecContext *avctx)
{
avctx->coded_frame = avctx->priv_data;
avcodec_get_frame_defaults(avctx->coded_frame);
avctx->coded_frame->pict_type = AV_PICTURE_TYPE_I;
avctx->bits_per_coded_sample = av_get_bits_per_pixel(&av_pix_fmt_descriptors[avctx->pix_fmt]);
if(!avctx->codec_tag)
avctx->codec_tag = avcodec_pix_fmt_to_codec_tag(avctx->pix_fmt);
return 0;
}
static int raw_encode(AVCodecContext *avctx, AVPacket *pkt,
const AVFrame *frame, int *got_packet)
{
int ret = avpicture_get_size(avctx->pix_fmt, avctx->width, avctx->height);
if (ret < 0)
return ret;
if ((ret = ff_alloc_packet(pkt, ret)) < 0)
return ret;
if ((ret = avpicture_layout((const AVPicture *)frame, avctx->pix_fmt, avctx->width,
avctx->height, pkt->data, pkt->size)) < 0)
return ret;
if(avctx->codec_tag == AV_RL32("yuv2") && ret > 0 &&
avctx->pix_fmt == PIX_FMT_YUYV422) {
int x;
for(x = 1; x < avctx->height*avctx->width*2; x += 2)
pkt->data[x] ^= 0x80;
}
pkt->flags |= AV_PKT_FLAG_KEY;
*got_packet = 1;
return 0;
}
AVCodec ff_rawvideo_encoder = {
.name = "rawvideo",
.type = AVMEDIA_TYPE_VIDEO,
.id = CODEC_ID_RAWVIDEO,
.priv_data_size = sizeof(AVFrame),
.init = raw_init_encoder,
.encode2 = raw_encode,
.long_name = NULL_IF_CONFIG_SMALL("raw video"),
};