50e46b7f0d
* commit 'a09c499a2e25ded575cb9f37528384402be86ad8': rawenc: properly allocate coded_frame Conflicts: libavcodec/rawenc.c See: 881f96c4c2ef0c0162f63a370cbfff3c1e1feb2a Merged-by: Michael Niedermayer <michaelni@gmx.at>
89 lines
2.7 KiB
C
89 lines
2.7 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"
|
|
#include "libavutil/internal.h"
|
|
|
|
static av_cold int raw_encode_init(AVCodecContext *avctx)
|
|
{
|
|
const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(avctx->pix_fmt);
|
|
|
|
avctx->coded_frame = av_frame_alloc();
|
|
if (!avctx->coded_frame)
|
|
return AVERROR(ENOMEM);
|
|
|
|
avctx->coded_frame->pict_type = AV_PICTURE_TYPE_I;
|
|
avctx->bits_per_coded_sample = av_get_bits_per_pixel(desc);
|
|
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_packet2(avctx, 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 == AV_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;
|
|
}
|
|
|
|
static av_cold int raw_encode_close(AVCodecContext *avctx)
|
|
{
|
|
av_frame_free(&avctx->coded_frame);
|
|
return 0;
|
|
}
|
|
|
|
AVCodec ff_rawvideo_encoder = {
|
|
.name = "rawvideo",
|
|
.long_name = NULL_IF_CONFIG_SMALL("raw video"),
|
|
.type = AVMEDIA_TYPE_VIDEO,
|
|
.id = AV_CODEC_ID_RAWVIDEO,
|
|
.init = raw_encode_init,
|
|
.close = raw_encode_close,
|
|
.encode2 = raw_encode,
|
|
};
|