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hevc: Remove useless clip 

The src buffer should only contain values in the interval
[0, (1 << BIT_DEPTH) - 1].

Since shift = (BIT_DEPTH - 5), src[x] >> shift must be in
the interval [0, 31], so no clip is needed.

Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
This commit is contained in:
Guillaume Martres 2014-01-11 22:46:25 +01:00 committed by Luca Barbato
parent a246d06fe0
commit faf03ecba0
1 changed files with 1 additions and 1 deletions
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2
libavcodec/hevcdsp_template.c
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@ -393,7 +393,7 @@ static void FUNC(sao_band_filter)(uint8_t *_dst, uint8_t *_src,
offset_table[(k + sao_left_class) & 31] = sao_offset_val[k + 1];
for (y = 0; y < height; y++) {
for (x = 0; x < width; x++)
dst[x] = av_clip_pixel(src[x] + offset_table[av_clip_pixel(src[x] >> shift)]);
dst[x] = av_clip_pixel(src[x] + offset_table[src[x] >> shift]);
dst += stride;
src += stride;
}