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Code Issues Releases Activity

swscale/vscale: Use matching sliceY/chrSliceY for luma/chroma

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No case known where that makes a difference

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2016-01-14 22:10:08 +01:00
parent 3a0e5cfcee
commit fc2588a1d6
1 changed files with 7 additions and 7 deletions
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14
libswscale/vscale.c
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@ -109,7 +109,7 @@ static int packed_vscale(SwsContext *c, SwsFilterDescriptor *desc, int sliceY, i
uint16_t *lum_filter = inst[0].filter[0];
uint16_t *chr_filter = inst[1].filter[0];
int firstLum = FFMAX(1-lum_fsize, inst[0].filter_pos[chrSliceY]);
int firstLum = FFMAX(1-lum_fsize, inst[0].filter_pos[ sliceY]);
int firstChr = FFMAX(1-chr_fsize, inst[1].filter_pos[chrSliceY]);
int sp0 = firstLum - desc->src->plane[0].sliceY;
@ -128,9 +128,9 @@ static int packed_vscale(SwsContext *c, SwsFilterDescriptor *desc, int sliceY, i
((yuv2packed1_fn)inst->pfn)(c, (const int16_t*)*src0, (const int16_t**)src1, (const int16_t**)src2,
(const int16_t*)(desc->alpha ? *src3 : NULL), *dst, dstW, 0, sliceY);
} else if (c->yuv2packed1 && lum_fsize == 1 && chr_fsize == 2 &&
chr_filter[2 * sliceY + 1] + chr_filter[2 * chrSliceY] == 4096 &&
chr_filter[2 * sliceY + 1] <= 4096U) { // unscaled RGB
int chrAlpha = chr_filter[2 * sliceY + 1];
chr_filter[2 * chrSliceY + 1] + chr_filter[2 * chrSliceY] == 4096 &&
chr_filter[2 * chrSliceY + 1] <= 4096U) { // unscaled RGB
int chrAlpha = chr_filter[2 * chrSliceY + 1];
((yuv2packed1_fn)inst->pfn)(c, (const int16_t*)*src0, (const int16_t**)src1, (const int16_t**)src2,
(const int16_t*)(desc->alpha ? *src3 : NULL), *dst, dstW, chrAlpha, sliceY);
} else if (c->yuv2packed2 && lum_fsize == 2 && chr_fsize == 2 &&
@ -140,7 +140,7 @@ static int packed_vscale(SwsContext *c, SwsFilterDescriptor *desc, int sliceY, i
chr_filter[2 * chrSliceY + 1] <= 4096U
) { // bilinear upscale RGB
int lumAlpha = lum_filter[2 * sliceY + 1];
int chrAlpha = chr_filter[2 * sliceY + 1];
int chrAlpha = chr_filter[2 * chrSliceY + 1];
c->lumMmxFilter[2] =
c->lumMmxFilter[3] = lum_filter[2 * sliceY] * 0x10001;
c->chrMmxFilter[2] =
@ -156,7 +156,7 @@ static int packed_vscale(SwsContext *c, SwsFilterDescriptor *desc, int sliceY, i
}
inst->yuv2packedX(c, lum_filter + sliceY * lum_fsize,
(const int16_t**)src0, lum_fsize, chr_filter + sliceY * chr_fsize,
(const int16_t**)src0, lum_fsize, chr_filter + chrSliceY * chr_fsize,
(const int16_t**)src1, (const int16_t**)src2, chr_fsize, (const int16_t**)src3, *dst, dstW, sliceY);
}
return 1;
@ -173,7 +173,7 @@ static int any_vscale(SwsContext *c, SwsFilterDescriptor *desc, int sliceY, int
uint16_t *lum_filter = inst[0].filter[0];
uint16_t *chr_filter = inst[1].filter[0];
int firstLum = FFMAX(1-lum_fsize, inst[0].filter_pos[chrSliceY]);
int firstLum = FFMAX(1-lum_fsize, inst[0].filter_pos[ sliceY]);
int firstChr = FFMAX(1-chr_fsize, inst[1].filter_pos[chrSliceY]);
int sp0 = firstLum - desc->src->plane[0].sliceY;