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lavf/img2enc: use FF_CEIL_RSHIFT().
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@ -101,7 +101,7 @@ static int write_packet(AVFormatContext *s, AVPacket *pkt)
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if (img->split_planes) {
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int ysize = codec->width * codec->height;
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int usize = ((-codec->width)>>desc->log2_chroma_w) * ((-codec->height)>>desc->log2_chroma_h);
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int usize = FF_CEIL_RSHIFT(codec->width, desc->log2_chroma_w) * FF_CEIL_RSHIFT(codec->height, desc->log2_chroma_h);
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if (desc->comp[0].depth_minus1 >= 8) {
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ysize *= 2;
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usize *= 2;
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