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avcodec/h264_slice: Use AVFrame diemensions for grayscale handling 

The AVFrame values are closer to the AVFrame bitmap changed instead of
the AVCodecContext values, so this should be more robust

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2015-06-10 11:37:48 +02:00
parent b58a3c8975
commit aef0e0f009
1 changed files with 3 additions and 3 deletions
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6
libavcodec/h264_slice.c
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@ -251,11 +251,11 @@ static int alloc_picture(H264Context *h, H264Picture *pic)
av_pix_fmt_get_chroma_sub_sample(pic->f->format,
&h_chroma_shift, &v_chroma_shift);
for(i=0; i<FF_CEIL_RSHIFT(h->avctx->height, v_chroma_shift); i++) {
for(i=0; i<FF_CEIL_RSHIFT(pic->f->height, v_chroma_shift); i++) {
memset(pic->f->data[1] + pic->f->linesize[1]*i,
0x80, FF_CEIL_RSHIFT(h->avctx->width, h_chroma_shift));
0x80, FF_CEIL_RSHIFT(pic->f->width, h_chroma_shift));
memset(pic->f->data[2] + pic->f->linesize[2]*i,
0x80, FF_CEIL_RSHIFT(h->avctx->width, h_chroma_shift));
0x80, FF_CEIL_RSHIFT(pic->f->width, h_chroma_shift));
}
}