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authorBaptiste Coudurier <baptiste.coudurier@gmail.com>2011-06-03 00:12:43 +0200
committerMichael Niedermayer <michaelni@gmx.at>2011-06-03 03:46:13 +0200
commit5aa70309ad236cf7e218cdce913d8290aae04d4a (patch)
tree7388bad90bf83607cc8d3c9b91fbfbc9a275494a
parente977ca2645cc6b23589ddf97ab08861064ba8792 (diff)
downloadffmpeg-5aa70309ad236cf7e218cdce913d8290aae04d4a.tar.gz
In libswscale, use all lines when converting from 422p to rgb with mmx, improve quality.
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
-rw-r--r--libswscale/x86/yuv2rgb_template.c25
1 files changed, 11 insertions, 14 deletions
diff --git a/libswscale/x86/yuv2rgb_template.c b/libswscale/x86/yuv2rgb_template.c
index 93087ebd6d..926e3fb9c4 100644
--- a/libswscale/x86/yuv2rgb_template.c
+++ b/libswscale/x86/yuv2rgb_template.c
@@ -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)