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libswscale
Commit 81947996 authored by syrjala's avatar syrjala
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Improved NV12/NV21 support. 

- Fixed PlanarToNV12Wrapper() and made it handle NV21.
- Added yuv2nv12XinC() to handle software scaling.
- Added NV12/NV21 handling to various places.
- Removed NV12 from vf_hue and vf_spp as they don't look like they can
  actually handle it.


git-svn-id: file:///var/local/repositories/mplayer/trunk/postproc@14716 b3059339-0415-0410-9bf9-f77b7e298cf2
parent 16c8a6cf
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Showing with 97 additions and 6 deletions
swscale.c
View file @ 81947996
......@@ -101,6 +101,7 @@ untested special converters
//FIXME replace this with something faster
#define isPlanarYUV(x) ((x)==IMGFMT_YV12 || (x)==IMGFMT_YVU9 \
|| (x)==IMGFMT_NV12 || (x)==IMGFMT_NV21 \
|| (x)==IMGFMT_444P || (x)==IMGFMT_422P || (x)==IMGFMT_411P)
#define isYUV(x) ((x)==IMGFMT_UYVY || (x)==IMGFMT_YUY2 || isPlanarYUV(x))
#define isGray(x) ((x)==IMGFMT_Y800)
......@@ -114,6 +115,7 @@ untested special converters
#define isSupportedOut(x) ((x)==IMGFMT_YV12 || (x)==IMGFMT_YUY2 || (x)==IMGFMT_UYVY\
|| (x)==IMGFMT_444P || (x)==IMGFMT_422P || (x)==IMGFMT_411P\
|| isRGB(x) || isBGR(x)\
|| (x)==IMGFMT_NV12 || (x)==IMGFMT_NV21\
|| (x)==IMGFMT_Y800 || (x)==IMGFMT_YVU9)
#define isPacked(x) ((x)==IMGFMT_YUY2 || (x)==IMGFMT_UYVY ||isRGB(x) || isBGR(x))
......@@ -251,6 +253,56 @@ static inline void yuv2yuvXinC(int16_t *lumFilter, int16_t **lumSrc, int lumFilt
}
}
static inline void yuv2nv12XinC(int16_t *lumFilter, int16_t **lumSrc, int lumFilterSize,
int16_t *chrFilter, int16_t **chrSrc, int chrFilterSize,
uint8_t *dest, uint8_t *uDest, int dstW, int chrDstW, int dstFormat)
{
//FIXME Optimize (just quickly writen not opti..)
int i;
for(i=0; i<dstW; i++)
{
int val=1<<18;
int j;
for(j=0; j<lumFilterSize; j++)
val += lumSrc[j][i] * lumFilter[j];
dest[i]= MIN(MAX(val>>19, 0), 255);
}
if(uDest == NULL)
return;
if(dstFormat == IMGFMT_NV12)
for(i=0; i<chrDstW; i++)
{
int u=1<<18;
int v=1<<18;
int j;
for(j=0; j<chrFilterSize; j++)
{
u += chrSrc[j][i] * chrFilter[j];
v += chrSrc[j][i + 2048] * chrFilter[j];
}
uDest[2*i]= MIN(MAX(u>>19, 0), 255);
uDest[2*i+1]= MIN(MAX(v>>19, 0), 255);
}
else
for(i=0; i<chrDstW; i++)
{
int u=1<<18;
int v=1<<18;
int j;
for(j=0; j<chrFilterSize; j++)
{
u += chrSrc[j][i] * chrFilter[j];
v += chrSrc[j][i + 2048] * chrFilter[j];
}
uDest[2*i]= MIN(MAX(v>>19, 0), 255);
uDest[2*i+1]= MIN(MAX(u>>19, 0), 255);
}
}
#define YSCALE_YUV_2_PACKEDX_C(type) \
for(i=0; i<(dstW>>1); i++){\
......@@ -1379,13 +1431,16 @@ static int PlanarToNV12Wrapper(SwsContext *c, uint8_t* src[], int srcStride[], i
uint8_t *dstPtr= dst;
for(i=0; i<srcSliceH; i++)
{
memcpy(dstPtr, srcPtr, srcStride[0]);
memcpy(dstPtr, srcPtr, c->srcW);
srcPtr+= srcStride[0];
dstPtr+= dstStride[0];
}
}
dst = dstParam[1] + dstStride[1]*srcSliceY;
interleaveBytes( src[1],src[2],dst,c->srcW,srcSliceH,srcStride[1],srcStride[2],dstStride[0] );
dst = dstParam[1] + dstStride[1]*srcSliceY/2;
if (c->dstFormat == IMGFMT_NV12)
interleaveBytes( src[1],src[2],dst,c->srcW/2,srcSliceH/2,srcStride[1],srcStride[2],dstStride[0] );
else
interleaveBytes( src[2],src[1],dst,c->srcW/2,srcSliceH/2,srcStride[2],srcStride[1],dstStride[0] );
return srcSliceH;
}
......@@ -1555,6 +1610,15 @@ static inline void sws_orderYUV(int format, uint8_t * sortedP[], int sortedStrid
sortedStride[0]= stride[0];
sortedStride[1]= stride[1];
sortedStride[2]= stride[2];
}
else if(format == IMGFMT_NV12 || format == IMGFMT_NV21)
{
sortedP[0]= p[0];
sortedP[1]= p[1];
sortedP[2]= NULL;
sortedStride[0]= stride[0];
sortedStride[1]= stride[1];
sortedStride[2]= 0;
}else{
MSG_ERR("internal error in orderYUV\n");
}
......@@ -1645,6 +1709,8 @@ static void getSubSampleFactors(int *h, int *v, int format){
break;
case IMGFMT_YV12:
case IMGFMT_Y800: //FIXME remove after different subsamplings are fully implemented
case IMGFMT_NV12:
case IMGFMT_NV21:
*h=1;
*v=1;
break;
......@@ -1873,7 +1939,7 @@ SwsContext *sws_getContext(int srcW, int srcH, int origSrcFormat, int dstW, int
if(unscaled && !usesHFilter && !usesVFilter)
{
/* yv12_to_nv12 */
if(srcFormat == IMGFMT_YV12 && dstFormat == IMGFMT_NV12)
if(srcFormat == IMGFMT_YV12 && (dstFormat == IMGFMT_NV12 || dstFormat == IMGFMT_NV21))
{
c->swScale= PlanarToNV12Wrapper;
}
......
swscale_template.c
View file @ 81947996
......@@ -796,6 +796,15 @@ yuv2yuvXinC(lumFilter, lumSrc, lumFilterSize,
#endif
}
static inline void RENAME(yuv2nv12X)(SwsContext *c, int16_t *lumFilter, int16_t **lumSrc, int lumFilterSize,
int16_t *chrFilter, int16_t **chrSrc, int chrFilterSize,
uint8_t *dest, uint8_t *uDest, int dstW, int chrDstW, int dstFormat)
{
yuv2nv12XinC(lumFilter, lumSrc, lumFilterSize,
chrFilter, chrSrc, chrFilterSize,
dest, uDest, dstW, chrDstW, dstFormat);
}
static inline void RENAME(yuv2yuv1)(int16_t *lumSrc, int16_t *chrSrc,
uint8_t *dest, uint8_t *uDest, uint8_t *vDest, int dstW, int chrDstW)
{
......@@ -2792,7 +2801,15 @@ i--;
((uint16_t)vChrFilter[chrDstY*vChrFilterSize + i])*0x10001;
}
#endif
if(isPlanarYUV(dstFormat) || isGray(dstFormat)) //YV12 like
if(dstFormat == IMGFMT_NV12 || dstFormat == IMGFMT_NV21){
const int chrSkipMask= (1<<c->chrDstVSubSample)-1;
if(dstY&chrSkipMask) uDest= NULL; //FIXME split functions in lumi / chromi
RENAME(yuv2nv12X)(c,
vLumFilter+dstY*vLumFilterSize , lumSrcPtr, vLumFilterSize,
vChrFilter+chrDstY*vChrFilterSize, chrSrcPtr, vChrFilterSize,
dest, uDest, dstW, chrDstW, dstFormat);
}
else if(isPlanarYUV(dstFormat) || isGray(dstFormat)) //YV12 like
{
const int chrSkipMask= (1<<c->chrDstVSubSample)-1;
if((dstY&chrSkipMask) || isGray(dstFormat)) uDest=vDest= NULL; //FIXME split functions in lumi / chromi
......@@ -2840,7 +2857,15 @@ i--;
{
int16_t **lumSrcPtr= lumPixBuf + lumBufIndex + firstLumSrcY - lastInLumBuf + vLumBufSize;
int16_t **chrSrcPtr= chrPixBuf + chrBufIndex + firstChrSrcY - lastInChrBuf + vChrBufSize;
if(isPlanarYUV(dstFormat) || isGray(dstFormat)) //YV12
if(dstFormat == IMGFMT_NV12 || dstFormat == IMGFMT_NV21){
const int chrSkipMask= (1<<c->chrDstVSubSample)-1;
if(dstY&chrSkipMask) uDest= NULL; //FIXME split functions in lumi / chromi
yuv2nv12XinC(
vLumFilter+dstY*vLumFilterSize , lumSrcPtr, vLumFilterSize,
vChrFilter+chrDstY*vChrFilterSize, chrSrcPtr, vChrFilterSize,
dest, uDest, dstW, chrDstW, dstFormat);
}
else if(isPlanarYUV(dstFormat) || isGray(dstFormat)) //YV12
{
const int chrSkipMask= (1<<c->chrDstVSubSample)-1;
if((dstY&chrSkipMask) || isGray(dstFormat)) uDest=vDest= NULL; //FIXME split functions in lumi / chromi
......
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