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Code Issues Releases Activity

rawdec: fix NV12

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Fixes Ticket646

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2013-01-02 03:52:54 +01:00
parent e9fd51b0d6
commit 1e28fa21de
1 changed files with 9 additions and 0 deletions
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9
libavcodec/rawdec.c
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@ -237,6 +237,15 @@ static int raw_decode(AVCodecContext *avctx,
FFALIGN(frame->linesize[0], linesize_align)*avctx->height <= buf_size)
frame->linesize[0] = FFALIGN(frame->linesize[0], linesize_align);
if(avctx->pix_fmt == AV_PIX_FMT_NV12 && avctx->codec_tag == MKTAG('N', 'V', '1', '2') &&
FFALIGN(frame->linesize[0], linesize_align)*avctx->height +
FFALIGN(frame->linesize[1], linesize_align)*((avctx->height+1)/2) <= buf_size) {
int la0 = FFALIGN(frame->linesize[0], linesize_align);
frame->data[1] += (la0 - frame->linesize[0])*avctx->height;
frame->linesize[0] = la0;
frame->linesize[1] = FFALIGN(frame->linesize[1], linesize_align);
}
if(context->flip)
flip(avctx, picture);