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In libswscale, use all lines when converting from 422p to rgb with mmx, improve quality.

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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
pull/2/head
Baptiste Coudurier 14 years ago committed by Michael Niedermayer
parent e977ca2645
commit 5aa70309ad
1 changed files with 11 additions and 14 deletions
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  1. 25
      libswscale/x86/yuv2rgb_template.c

25
libswscale/x86/yuv2rgb_template.c
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@ -43,17 +43,14 @@
if (h_size * depth > FFABS(dstStride[0])) \
h_size -= 8; \
\
if (c->srcFormat == PIX_FMT_YUV422P) { \
srcStride[1] *= 2; \
srcStride[2] *= 2; \
} \
vshift = c->srcFormat != PIX_FMT_YUV422P; \
\
__asm__ volatile ("pxor %mm4, %mm4\n\t"); \
for (y = 0; y < srcSliceH; y++) { \
uint8_t *image = dst[0] + (y + srcSliceY) * dstStride[0]; \
const uint8_t *py = src[0] + y * srcStride[0]; \
const uint8_t *pu = src[1] + (y >> 1) * srcStride[1]; \
const uint8_t *pv = src[2] + (y >> 1) * srcStride[2]; \
const uint8_t *pu = src[1] + (y >> vshift) * srcStride[1]; \
const uint8_t *pv = src[2] + (y >> vshift) * srcStride[2]; \
x86_reg index = -h_size / 2; \
#define YUV2RGB_INITIAL_LOAD \
@ -188,7 +185,7 @@ static inline int RENAME(yuv420_rgb15)(SwsContext *c, const uint8_t *src[],
int srcSliceY, int srcSliceH,
uint8_t *dst[], int dstStride[])
{
int y, h_size;
int y, h_size, vshift;
YUV2RGB_LOOP(2)
@ -216,7 +213,7 @@ static inline int RENAME(yuv420_rgb16)(SwsContext *c, const uint8_t *src[],
int srcSliceY, int srcSliceH,
uint8_t *dst[], int dstStride[])
{
int y, h_size;
int y, h_size, vshift;
YUV2RGB_LOOP(2)
@ -306,7 +303,7 @@ static inline int RENAME(yuv420_rgb24)(SwsContext *c, const uint8_t *src[],
int srcSliceY, int srcSliceH,
uint8_t *dst[], int dstStride[])
{
int y, h_size;
int y, h_size, vshift;
YUV2RGB_LOOP(3)
@ -324,7 +321,7 @@ static inline int RENAME(yuv420_bgr24)(SwsContext *c, const uint8_t *src[],
int srcSliceY, int srcSliceH,
uint8_t *dst[], int dstStride[])
{
int y, h_size;
int y, h_size, vshift;
YUV2RGB_LOOP(3)
@ -368,7 +365,7 @@ static inline int RENAME(yuv420_rgb32)(SwsContext *c, const uint8_t *src[],
int srcSliceY, int srcSliceH,
uint8_t *dst[], int dstStride[])
{
int y, h_size;
int y, h_size, vshift;
YUV2RGB_LOOP(4)
@ -389,7 +386,7 @@ static inline int RENAME(yuva420_rgb32)(SwsContext *c, const uint8_t *src[],
int srcSliceY, int srcSliceH,
uint8_t *dst[], int dstStride[])
{
int y, h_size;
int y, h_size, vshift;
YUV2RGB_LOOP(4)
@ -411,7 +408,7 @@ static inline int RENAME(yuv420_bgr32)(SwsContext *c, const uint8_t *src[],
int srcSliceY, int srcSliceH,
uint8_t *dst[], int dstStride[])
{
int y, h_size;
int y, h_size, vshift;
YUV2RGB_LOOP(4)
@ -432,7 +429,7 @@ static inline int RENAME(yuva420_bgr32)(SwsContext *c, const uint8_t *src[],
int srcSliceY, int srcSliceH,
uint8_t *dst[], int dstStride[])
{
int y, h_size;
int y, h_size, vshift;
YUV2RGB_LOOP(4)

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