mirror of https://git.ffmpeg.org/ffmpeg.git
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>
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@ -251,11 +251,11 @@ static int alloc_picture(H264Context *h, H264Picture *pic)
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av_pix_fmt_get_chroma_sub_sample(pic->f->format,
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av_pix_fmt_get_chroma_sub_sample(pic->f->format,
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&h_chroma_shift, &v_chroma_shift);
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&h_chroma_shift, &v_chroma_shift);
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for(i=0; i<FF_CEIL_RSHIFT(h->avctx->height, v_chroma_shift); i++) {
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for(i=0; i<FF_CEIL_RSHIFT(pic->f->height, v_chroma_shift); i++) {
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memset(pic->f->data[1] + pic->f->linesize[1]*i,
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memset(pic->f->data[1] + pic->f->linesize[1]*i,
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0x80, FF_CEIL_RSHIFT(h->avctx->width, h_chroma_shift));
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0x80, FF_CEIL_RSHIFT(pic->f->width, h_chroma_shift));
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memset(pic->f->data[2] + pic->f->linesize[2]*i,
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memset(pic->f->data[2] + pic->f->linesize[2]*i,
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0x80, FF_CEIL_RSHIFT(h->avctx->width, h_chroma_shift));
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0x80, FF_CEIL_RSHIFT(pic->f->width, h_chroma_shift));
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}
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}
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}
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}
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