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-rw-r--r--libswscale/swscale_template.c57
1 files changed, 51 insertions, 6 deletions
diff --git a/libswscale/swscale_template.c b/libswscale/swscale_template.c
index 84daef5135..928bf97320 100644
--- a/libswscale/swscale_template.c
+++ b/libswscale/swscale_template.c
@@ -2279,6 +2279,38 @@ static inline void RENAME(rgb15ToUV)(uint8_t *dstU, uint8_t *dstV, uint8_t *src1
}
}
+static inline void RENAME(palToY)(uint8_t *dst, uint8_t *src, int width, uint32_t *pal)
+{
+ int i;
+ for(i=0; i<width; i++)
+ {
+ int d= src[i];
+ int b= pal[d] &0xFF;
+ int g=(pal[d]>>8 )&0xFF;
+ int r= pal[d]>>16;
+
+ dst[i]= ((RY*r + GY*g + BY*b)>>RGB2YUV_SHIFT) + 16;
+ }
+}
+
+static inline void RENAME(palToUV)(uint8_t *dstU, uint8_t *dstV, uint8_t *src1, uint8_t *src2, int width, uint32_t *pal)
+{
+ int i;
+ assert(src1 == src2);
+ for(i=0; i<width; i++)
+ {
+ int d0= src1[2*i ];
+ int d1= src1[2*i+1];
+ int p = (pal[d0]&0xFF00FF) + (pal[d1]&0xFF00FF);
+ int g = (pal[d0]+pal[d1]-p)>>8;
+ int b= p&0x1FF;
+ int r= p>>16;
+
+ dstU[i]= ((RU*r + GU*g + BU*b)>>(RGB2YUV_SHIFT+1)) + 128;
+ dstV[i]= ((RV*r + GV*g + BV*b)>>(RGB2YUV_SHIFT+1)) + 128;
+ }
+}
+
// Bilinear / Bicubic scaling
static inline void RENAME(hScale)(int16_t *dst, int dstW, uint8_t *src, int srcW, int xInc,
int16_t *filter, int16_t *filterPos, long filterSize)
@@ -2467,7 +2499,7 @@ static inline void RENAME(hyscale)(uint16_t *dst, long dstWidth, uint8_t *src, i
int flags, int canMMX2BeUsed, int16_t *hLumFilter,
int16_t *hLumFilterPos, int hLumFilterSize, void *funnyYCode,
int srcFormat, uint8_t *formatConvBuffer, int16_t *mmx2Filter,
- int32_t *mmx2FilterPos)
+ int32_t *mmx2FilterPos, uint8_t *pal)
{
if(srcFormat==PIX_FMT_YUYV422 || srcFormat==PIX_FMT_GRAY16BE)
{
@@ -2519,6 +2551,11 @@ static inline void RENAME(hyscale)(uint16_t *dst, long dstWidth, uint8_t *src, i
RENAME(rgb15ToY)(formatConvBuffer, src, srcW);
src= formatConvBuffer;
}
+ else if(srcFormat==PIX_FMT_RGB8 || srcFormat==PIX_FMT_BGR8 || srcFormat==PIX_FMT_PAL8)
+ {
+ RENAME(palToY)(formatConvBuffer, src, srcW, pal);
+ src= formatConvBuffer;
+ }
#ifdef HAVE_MMX
// use the new MMX scaler if the mmx2 can't be used (its faster than the x86asm one)
@@ -2664,7 +2701,7 @@ inline static void RENAME(hcscale)(uint16_t *dst, long dstWidth, uint8_t *src1,
int srcW, int xInc, int flags, int canMMX2BeUsed, int16_t *hChrFilter,
int16_t *hChrFilterPos, int hChrFilterSize, void *funnyUVCode,
int srcFormat, uint8_t *formatConvBuffer, int16_t *mmx2Filter,
- int32_t *mmx2FilterPos)
+ int32_t *mmx2FilterPos, uint8_t *pal)
{
if(srcFormat==PIX_FMT_YUYV422)
{
@@ -2730,6 +2767,12 @@ inline static void RENAME(hcscale)(uint16_t *dst, long dstWidth, uint8_t *src1,
{
return;
}
+ else if(srcFormat==PIX_FMT_RGB8 || srcFormat==PIX_FMT_BGR8 || srcFormat==PIX_FMT_PAL8)
+ {
+ RENAME(palToUV)(formatConvBuffer, formatConvBuffer+2048, src1, src2, srcW, pal);
+ src1= formatConvBuffer;
+ src2= formatConvBuffer+2048;
+ }
#ifdef HAVE_MMX
// use the new MMX scaler if the mmx2 can't be used (its faster than the x86asm one)
@@ -2932,6 +2975,7 @@ static int RENAME(swScale)(SwsContext *c, uint8_t* src[], int srcStride[], int s
const int chrSrcSliceY= srcSliceY >> c->chrSrcVSubSample;
const int chrSrcSliceH= -((-srcSliceH) >> c->chrSrcVSubSample);
int lastDstY;
+ uint8_t *pal=NULL;
/* vars whch will change and which we need to storw back in the context */
int dstY= c->dstY;
@@ -2941,6 +2985,7 @@ static int RENAME(swScale)(SwsContext *c, uint8_t* src[], int srcStride[], int s
int lastInChrBuf= c->lastInChrBuf;
if(isPacked(c->srcFormat)){
+ pal= src[1];
src[0]=
src[1]=
src[2]= src[0];
@@ -3026,7 +3071,7 @@ i--;
RENAME(hyscale)(lumPixBuf[ lumBufIndex ], dstW, s, srcW, lumXInc,
flags, canMMX2BeUsed, hLumFilter, hLumFilterPos, hLumFilterSize,
funnyYCode, c->srcFormat, formatConvBuffer,
- c->lumMmx2Filter, c->lumMmx2FilterPos);
+ c->lumMmx2Filter, c->lumMmx2FilterPos, pal);
lastInLumBuf++;
}
while(lastInChrBuf < lastChrSrcY)
@@ -3043,7 +3088,7 @@ i--;
RENAME(hcscale)(chrPixBuf[ chrBufIndex ], chrDstW, src1, src2, chrSrcW, chrXInc,
flags, canMMX2BeUsed, hChrFilter, hChrFilterPos, hChrFilterSize,
funnyUVCode, c->srcFormat, formatConvBuffer,
- c->chrMmx2Filter, c->chrMmx2FilterPos);
+ c->chrMmx2Filter, c->chrMmx2FilterPos, pal);
lastInChrBuf++;
}
//wrap buf index around to stay inside the ring buffer
@@ -3068,7 +3113,7 @@ i--;
RENAME(hyscale)(lumPixBuf[ lumBufIndex ], dstW, s, srcW, lumXInc,
flags, canMMX2BeUsed, hLumFilter, hLumFilterPos, hLumFilterSize,
funnyYCode, c->srcFormat, formatConvBuffer,
- c->lumMmx2Filter, c->lumMmx2FilterPos);
+ c->lumMmx2Filter, c->lumMmx2FilterPos, pal);
lastInLumBuf++;
}
while(lastInChrBuf+1 < (chrSrcSliceY + chrSrcSliceH))
@@ -3084,7 +3129,7 @@ i--;
RENAME(hcscale)(chrPixBuf[ chrBufIndex ], chrDstW, src1, src2, chrSrcW, chrXInc,
flags, canMMX2BeUsed, hChrFilter, hChrFilterPos, hChrFilterSize,
funnyUVCode, c->srcFormat, formatConvBuffer,
- c->chrMmx2Filter, c->chrMmx2FilterPos);
+ c->chrMmx2Filter, c->chrMmx2FilterPos, pal);
lastInChrBuf++;
}
//wrap buf index around to stay inside the ring buffer