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Code Issues Releases Activity

hevc: fix transform_skip which is only valid for 4x4(cherry picked from commit 740e5a71e5121dbf3fabdc4fec97829c18ecc2d8)

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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Mickaël Raulet 2013-10-21 12:44:18 +02:00 committed by Michael Niedermayer
parent 1c8de4dd94
commit c68faca68e
1 changed files with 6 additions and 34 deletions
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40
libavcodec/hevcdsp_template.c
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@ -109,7 +109,6 @@ static void FUNC(transform_skip)(uint8_t *_dst, int16_t *coeffs, ptrdiff_t _stri
{
pixel *dst = (pixel*)_dst;
ptrdiff_t stride = _stride / sizeof(pixel);
int size = 4;
int shift = 13 - BIT_DEPTH;
#if BIT_DEPTH <= 13
int offset = 1 << (shift - 1);
@ -117,39 +116,12 @@ static void FUNC(transform_skip)(uint8_t *_dst, int16_t *coeffs, ptrdiff_t _stri
int offset = 0;
#endif
int x, y;
switch (size){
case 32:
for (y = 0; y < 32*32; y+=32) {
for (x = 0; x < 32; x++) {
dst[x] = av_clip_pixel(dst[x] + ((coeffs[y + x] + offset) >> shift));
}
dst += stride;
}
break;
case 16:
for (y = 0; y < 16*16; y+=16) {
for (x = 0; x < 16; x++) {
dst[x] = av_clip_pixel(dst[x] + ((coeffs[y + x] + offset) >> shift));
}
dst += stride;
}
break;
case 8:
for (y = 0; y < 8*8; y+=8) {
for (x = 0; x < 8; x++) {
dst[x] = av_clip_pixel(dst[x] + ((coeffs[y + x] + offset) >> shift));
}
dst += stride;
}
break;
case 4:
for (y = 0; y < 4*4; y+=4) {
for (x = 0; x < 4; x++) {
dst[x] = av_clip_pixel(dst[x] + ((coeffs[y + x] + offset) >> shift));
}
dst += stride;
}
break;
for (y = 0; y < 4*4; y+=4) {
for (x = 0; x < 4; x++) {
dst[x] = av_clip_pixel(dst[x] + ((coeffs[y + x] + offset) >> shift));
}
dst += stride;
}
}