mirror of https://git.ffmpeg.org/ffmpeg.git
h264_mb: Use smaller data type for refs in await_references.
As far as I can tell the value can never go outside the int16_t type. And especially the cost of the initialization is reduced quite a bit by making it smaller. Overall decoding speedup not measurable though. Signed-off-by: Reimar Döffinger <Reimar.Doeffinger@gmx.de>
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@ -49,7 +49,7 @@ static inline int get_lowest_part_list_y(H264Context *h, H264Picture *pic, int n
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return FFMAX(0, bottom);
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}
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static inline void get_lowest_part_y(H264Context *h, int refs[2][48], int n,
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static inline void get_lowest_part_y(H264Context *h, int16_t refs[2][48], int n,
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int height, int y_offset, int list0,
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int list1, int *nrefs)
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{
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@ -96,7 +96,7 @@ static void await_references(H264Context *h)
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{
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const int mb_xy = h->mb_xy;
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const int mb_type = h->cur_pic.mb_type[mb_xy];
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int refs[2][48];
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int16_t refs[2][48];
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int nrefs[2] = { 0 };
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int ref, list;
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