diff options
author | Michael Niedermayer <michaelni@gmx.at> | 2002-06-30 20:34:54 +0000 |
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committer | Michael Niedermayer <michaelni@gmx.at> | 2002-06-30 20:34:54 +0000 |
commit | e09d12f4f6cdf0828ef853c396636dcf6e4cf10f (patch) | |
tree | 08fa37050372f0953254dc738d5cfc5506bfd4dd /postproc | |
parent | f5b58629fe4fe5350f8c103ea4b1046c333eae25 (diff) | |
download | ffmpeg-streaming-e09d12f4f6cdf0828ef853c396636dcf6e4cf10f.zip ffmpeg-streaming-e09d12f4f6cdf0828ef853c396636dcf6e4cf10f.tar.gz |
using the new rgb2rgb converters (the LQ ones are only used if -sws 0 or -sws 4)
Originally committed as revision 6617 to svn://svn.mplayerhq.hu/mplayer/trunk/postproc
Diffstat (limited to 'postproc')
-rw-r--r-- | postproc/swscale.c | 492 |
1 files changed, 140 insertions, 352 deletions
diff --git a/postproc/swscale.c b/postproc/swscale.c index 8a4223a..bb27b4f 100644 --- a/postproc/swscale.c +++ b/postproc/swscale.c @@ -19,23 +19,26 @@ /* supported Input formats: YV12, I420/IYUV, YUY2, BGR32, BGR24, BGR16, BGR15, RGB32, RGB24, Y8/Y800, YVU9/IF09 supported output formats: YV12, I420/IYUV, {BGR,RGB}{1,4,8,15,16,24,32}, Y8/Y800, YVU9/IF09 - BGR15/16 support dithering + {BGR,RGB}{1,4,8,15,16} support dithering - unscaled special converters - YV12/I420/IYUV -> BGR15/BGR16/BGR24/BGR32 - YV12/I420/IYUV -> YV12/I420/IYUV - YUY2/BGR15/BGR16/BGR24/BGR32/RGB24/RGB32 -> same format + unscaled special converters (YV12=I420=IYUV, Y800=Y8) + YV12 -> {BGR,RGB}{1,4,8,15,16,24,32} + x -> x + YUV9 -> YV12 + YUV9/YV12 -> Y800 + Y800 -> YUV9/YV12 BGR24 -> BGR32 & RGB24 -> RGB32 BGR32 -> BGR24 & RGB32 -> RGB24 BGR15 -> BGR16 */ /* -tested special converters - YV12/I420 -> BGR16 +tested special converters (most are tested actually but i didnt write it down ...) + YV12 -> BGR16 YV12 -> YV12 BGR15 -> BGR16 BGR16 -> BGR16 + YVU9 -> YV12 untested special converters YV12/I420 -> BGR15/BGR24/BGR32 (its the yuv2rgb stuff, so it should be ok) @@ -291,8 +294,17 @@ static void doTest(uint8_t *ref[3], int refStride[3], int w, int h, int srcForma SwsContext *srcContext, *dstContext, *outContext; for(i=0; i<3; i++){ - srcStride[i]= srcW*4; - dstStride[i]= dstW*4; + // avoid stride % bpp != 0 + if(srcFormat==IMGFMT_RGB24 || srcFormat==IMGFMT_BGR24) + srcStride[i]= srcW*3; + else + srcStride[i]= srcW*4; + + if(dstFormat==IMGFMT_RGB24 || dstFormat==IMGFMT_BGR24) + dstStride[i]= dstW*3; + else + dstStride[i]= dstW*4; + src[i]= malloc(srcStride[i]*srcH); dst[i]= malloc(dstStride[i]*dstH); out[i]= malloc(refStride[i]*h); @@ -355,6 +367,9 @@ static void selfTest(uint8_t *src[3], int stride[3], int w, int h){ dstFormat= testFormat[dstFormatIndex]; if(!dstFormat) break; if(!isSupportedOut(dstFormat)) continue; +printf("%s -> %s\n", + vo_format_name(srcFormat), + vo_format_name(dstFormat)); srcW= w+w/3; srcH= h+h/3; @@ -1545,211 +1560,97 @@ static void PlanarToYuy2Wrapper(SwsContext *c, uint8_t* src[], int srcStride[], yv12toyuy2( src[0],src[2],src[1],dst,c->srcW,srcSliceH,srcStride[0],srcStride[1],dstStride[0] ); } -static void bgr24to32Wrapper(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY, - int srcSliceH, uint8_t* dst[], int dstStride[]){ - - if(dstStride[0]*3==srcStride[0]*4) - rgb24to32(src[0], dst[0] + dstStride[0]*srcSliceY, srcSliceH*srcStride[0]); - else - { - int i; - uint8_t *srcPtr= src[0]; - uint8_t *dstPtr= dst[0] + dstStride[0]*srcSliceY; - - for(i=0; i<srcSliceH; i++) - { - rgb24to32(srcPtr, dstPtr, c->srcW*3); - srcPtr+= srcStride[0]; - dstPtr+= dstStride[0]; - } - } -} - -static void bgr24to16Wrapper(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY, - int srcSliceH, uint8_t* dst[], int dstStride[]){ - - if(dstStride[0]*3==srcStride[0]*2) - rgb24to16(src[0], dst[0] + dstStride[0]*srcSliceY, srcSliceH*srcStride[0]); - else - { - int i; - uint8_t *srcPtr= src[0]; - uint8_t *dstPtr= dst[0] + dstStride[0]*srcSliceY; - - for(i=0; i<srcSliceH; i++) - { - rgb24to16(srcPtr, dstPtr, c->srcW*3); - srcPtr+= srcStride[0]; - dstPtr+= dstStride[0]; - } - } -} - -static void bgr24to15Wrapper(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY, - int srcSliceH, uint8_t* dst[], int dstStride[]){ - - if(dstStride[0]*3==srcStride[0]*2) - rgb24to15(src[0], dst[0] + dstStride[0]*srcSliceY, srcSliceH*srcStride[0]); - else - { - int i; - uint8_t *srcPtr= src[0]; - uint8_t *dstPtr= dst[0] + dstStride[0]*srcSliceY; - - for(i=0; i<srcSliceH; i++) - { - rgb24to15(srcPtr, dstPtr, c->srcW*3); - srcPtr+= srcStride[0]; - dstPtr+= dstStride[0]; - } - } -} - -static void bgr32to24Wrapper(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY, - int srcSliceH, uint8_t* dst[], int dstStride[]){ - - if(dstStride[0]*4==srcStride[0]*3) - rgb32to24(src[0], dst[0] + dstStride[0]*srcSliceY, srcSliceH*srcStride[0]); - else - { - int i; - uint8_t *srcPtr= src[0]; - uint8_t *dstPtr= dst[0] + dstStride[0]*srcSliceY; - - for(i=0; i<srcSliceH; i++) - { - rgb32to24(srcPtr, dstPtr, c->srcW<<2); - srcPtr+= srcStride[0]; - dstPtr+= dstStride[0]; - } - } -} - -static void bgr32to16Wrapper(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY, - int srcSliceH, uint8_t* dst[], int dstStride[]){ - - if(dstStride[0]*4==srcStride[0]*2) - rgb32to16(src[0], dst[0] + dstStride[0]*srcSliceY, srcSliceH*srcStride[0]); - else - { - int i; - uint8_t *srcPtr= src[0]; - uint8_t *dstPtr= dst[0] + dstStride[0]*srcSliceY; - - for(i=0; i<srcSliceH; i++) - { - rgb32to16(srcPtr, dstPtr, c->srcW<<2); - srcPtr+= srcStride[0]; - dstPtr+= dstStride[0]; +/* {RGB,BGR}{15,16,24,32} -> {RGB,BGR}{15,16,24,32} */ +static void rgb2rgbWrapper(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY, + int srcSliceH, uint8_t* dst[], int dstStride[]){ + const int srcFormat= c->srcFormat; + const int dstFormat= c->dstFormat; + const int srcBpp= ((srcFormat&0xFF) + 7)>>3; + const int dstBpp= ((dstFormat&0xFF) + 7)>>3; + const int srcId= (srcFormat&0xFF)>>2; // 1:0, 4:1, 8:2, 15:3, 16:4, 24:6, 32:8 + const int dstId= (dstFormat&0xFF)>>2; + void (*conv)(const uint8_t *src, uint8_t *dst, unsigned src_size)=NULL; + + /* BGR -> BGR */ + if(isBGR(srcFormat) && isBGR(dstFormat)){ + switch(srcId | (dstId<<4)){ + case 0x34: conv= rgb16to15; break; + case 0x36: conv= rgb24to15; break; + case 0x38: conv= rgb32to15; break; + case 0x43: conv= rgb15to16; break; + case 0x46: conv= rgb24to16; break; + case 0x48: conv= rgb32to16; break; + case 0x63: conv= rgb15to24; break; + case 0x64: conv= rgb16to24; break; + case 0x68: conv= rgb32to24; break; + case 0x83: conv= rgb15to32; break; + case 0x84: conv= rgb16to32; break; + case 0x86: conv= rgb24to32; break; + default: MSG_ERR("swScaler: internal error %s -> %s converter\n", + vo_format_name(srcFormat), vo_format_name(dstFormat)); break; + } + }else if(isBGR(srcFormat) && isRGB(dstFormat)){ + switch(srcId | (dstId<<4)){ + case 0x33: conv= rgb15tobgr15; break; + case 0x34: conv= rgb16tobgr15; break; + case 0x36: conv= rgb24tobgr15; break; + case 0x38: conv= rgb32tobgr15; break; + case 0x43: conv= rgb15tobgr16; break; + case 0x44: conv= rgb16tobgr16; break; + case 0x46: conv= rgb24tobgr16; break; + case 0x48: conv= rgb32tobgr16; break; + case 0x63: conv= rgb15tobgr24; break; + case 0x64: conv= rgb16tobgr24; break; + case 0x66: conv= rgb24tobgr24; break; + case 0x68: conv= rgb32tobgr24; break; + case 0x83: conv= rgb15tobgr32; break; + case 0x84: conv= rgb16tobgr32; break; + case 0x86: conv= rgb24tobgr32; break; + case 0x88: conv= rgb32tobgr32; break; + default: MSG_ERR("swScaler: internal error %s -> %s converter\n", + vo_format_name(srcFormat), vo_format_name(dstFormat)); break; + } + }else if(isRGB(srcFormat) && isRGB(dstFormat)){ + switch(srcId | (dstId<<4)){ + case 0x34: conv= rgb16to15; break; + case 0x36: conv= rgb24to15; break; + case 0x38: conv= rgb32to15; break; + case 0x43: conv= rgb15to16; break; + case 0x46: conv= rgb24to16; break; + case 0x48: conv= rgb32to16; break; + case 0x63: conv= rgb15to24; break; + case 0x64: conv= rgb16to24; break; + case 0x68: conv= rgb32to24; break; + case 0x83: conv= rgb15to32; break; + case 0x84: conv= rgb16to32; break; + case 0x86: conv= rgb24to32; break; + default: MSG_ERR("swScaler: internal error %s -> %s converter\n", + vo_format_name(srcFormat), vo_format_name(dstFormat)); break; + } + }else if(isRGB(srcFormat) && isBGR(dstFormat)){ + switch(srcId | (dstId<<4)){ + case 0x33: conv= rgb15tobgr15; break; + case 0x34: conv= rgb16tobgr15; break; + case 0x36: conv= rgb24tobgr15; break; + case 0x38: conv= rgb32tobgr15; break; + case 0x43: conv= rgb15tobgr16; break; + case 0x44: conv= rgb16tobgr16; break; + case 0x46: conv= rgb24tobgr16; break; + case 0x48: conv= rgb32tobgr16; break; + case 0x63: conv= rgb15tobgr24; break; + case 0x64: conv= rgb16tobgr24; break; + case 0x66: conv= rgb24tobgr24; break; + case 0x68: conv= rgb32tobgr24; break; + case 0x83: conv= rgb15tobgr32; break; + case 0x84: conv= rgb16tobgr32; break; + case 0x86: conv= rgb24tobgr32; break; + case 0x88: conv= rgb32tobgr32; break; + default: MSG_ERR("swScaler: internal error %s -> %s converter\n", + vo_format_name(srcFormat), vo_format_name(dstFormat)); break; } - } -} - -static void bgr32to15Wrapper(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY, - int srcSliceH, uint8_t* dst[], int dstStride[]){ - - if(dstStride[0]*4==srcStride[0]*2) - rgb32to15(src[0], dst[0] + dstStride[0]*srcSliceY, srcSliceH*srcStride[0]); - else - { - int i; - uint8_t *srcPtr= src[0]; - uint8_t *dstPtr= dst[0] + dstStride[0]*srcSliceY; - - for(i=0; i<srcSliceH; i++) - { - rgb32to15(srcPtr, dstPtr, c->srcW<<2); - srcPtr+= srcStride[0]; - dstPtr+= dstStride[0]; - } - } -} - -static void bgr15to16Wrapper(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY, - int srcSliceH, uint8_t* dst[], int dstStride[]){ - - if(dstStride[0]==srcStride[0]) - rgb15to16(src[0], dst[0] + dstStride[0]*srcSliceY, srcSliceH*srcStride[0]); - else - { - int i; - uint8_t *srcPtr= src[0]; - uint8_t *dstPtr= dst[0] + dstStride[0]*srcSliceY; - - for(i=0; i<srcSliceH; i++) - { - rgb15to16(srcPtr, dstPtr, c->srcW<<1); - srcPtr+= srcStride[0]; - dstPtr+= dstStride[0]; - } - } -} - -static void bgr15to24Wrapper(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY, - int srcSliceH, uint8_t* dst[], int dstStride[]){ - - if(dstStride[0]*2==srcStride[0]*3) - rgb15to24(src[0], dst[0] + dstStride[0]*srcSliceY, srcSliceH*srcStride[0]); - else - { - int i; - uint8_t *srcPtr= src[0]; - uint8_t *dstPtr= dst[0] + dstStride[0]*srcSliceY; - - for(i=0; i<srcSliceH; i++) - { - rgb15to24(srcPtr, dstPtr, c->srcW<<1); - srcPtr+= srcStride[0]; - dstPtr+= dstStride[0]; - } - } -} - -static void bgr15to32Wrapper(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY, - int srcSliceH, uint8_t* dst[], int dstStride[]){ - - if(dstStride[0]*2==srcStride[0]*4) - rgb15to32(src[0], dst[0] + dstStride[0]*srcSliceY, srcSliceH*srcStride[0]); - else - { - int i; - uint8_t *srcPtr= src[0]; - uint8_t *dstPtr= dst[0] + dstStride[0]*srcSliceY; - - for(i=0; i<srcSliceH; i++) - { - rgb15to32(srcPtr, dstPtr, c->srcW<<1); - srcPtr+= srcStride[0]; - dstPtr+= dstStride[0]; - } - } -} - -static void bgr16to24Wrapper(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY, - int srcSliceH, uint8_t* dst[], int dstStride[]){ - - if(dstStride[0]*2==srcStride[0]*3) - rgb16to24(src[0], dst[0] + dstStride[0]*srcSliceY, srcSliceH*srcStride[0]); - else - { - int i; - uint8_t *srcPtr= src[0]; - uint8_t *dstPtr= dst[0] + dstStride[0]*srcSliceY; - - for(i=0; i<srcSliceH; i++) - { - rgb16to24(srcPtr, dstPtr, c->srcW<<1); - srcPtr+= srcStride[0]; - dstPtr+= dstStride[0]; - } - } -} - -static void bgr16to32Wrapper(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY, - int srcSliceH, uint8_t* dst[], int dstStride[]){ - - if(dstStride[0]*2==srcStride[0]*4) - rgb16to32(src[0], dst[0] + dstStride[0]*srcSliceY, srcSliceH*srcStride[0]); + } + if(dstStride[0]*srcBpp == srcStride[0]*dstBpp) + conv(src[0], dst[0] + dstStride[0]*srcSliceY, srcSliceH*srcStride[0]); else { int i; @@ -1758,7 +1659,7 @@ static void bgr16to32Wrapper(SwsContext *c, uint8_t* src[], int srcStride[], int for(i=0; i<srcSliceH; i++) { - rgb16to32(srcPtr, dstPtr, c->srcW<<1); + conv(srcPtr, dstPtr, c->srcW*srcBpp); srcPtr+= srcStride[0]; dstPtr+= dstStride[0]; } @@ -1826,7 +1727,7 @@ static inline void orderYUV(int format, uint8_t * sortedP[], int sortedStride[], sortedStride[1]= sortedStride[2]= 0; } - else /* I420 */ + else if(format == IMGFMT_I420) { sortedP[0]= p[0]; sortedP[1]= p[2]; @@ -1834,6 +1735,8 @@ static inline void orderYUV(int format, uint8_t * sortedP[], int sortedStride[], sortedStride[0]= stride[0]; sortedStride[1]= stride[2]; sortedStride[2]= stride[1]; + }else{ + MSG_ERR("internal error in orderYUV\n"); } } @@ -1948,7 +1851,7 @@ SwsContext *getSwsContext(int srcW, int srcH, int srcFormat, int dstW, int dstH, SwsContext *c; int i; int usesFilter; - int unscaled; + int unscaled, needsDither; SwsFilter dummyFilter= {NULL, NULL, NULL, NULL}; #ifdef ARCH_X86 if(gCpuCaps.hasMMX) @@ -1956,12 +1859,15 @@ SwsContext *getSwsContext(int srcW, int srcH, int srcFormat, int dstW, int dstH, #endif if(swScale==NULL) globalInit(); //srcFormat= IMGFMT_Y800; -//srcFormat= IMGFMT_YVU9; +//dstFormat= IMGFMT_Y800; /* avoid dupplicate Formats, so we dont need to check to much */ srcFormat = remove_dup_fourcc(srcFormat); dstFormat = remove_dup_fourcc(dstFormat); unscaled = (srcW == dstW && srcH == dstH); + needsDither= (isBGR(dstFormat) || isRGB(dstFormat)) + && (dstFormat&0xFF)<24 + && ((dstFormat&0xFF)<(srcFormat&0xFF) || (!(isRGB(srcFormat) || isBGR(srcFormat)))); if(!isSupportedIn(srcFormat)) { @@ -2106,144 +2012,26 @@ SwsContext *getSwsContext(int srcW, int srcH, int srcFormat, int dstW, int dstH, return c; } - /* bgr32to24 & rgb32to24*/ - if((srcFormat==IMGFMT_BGR32 && dstFormat==IMGFMT_BGR24) - ||(srcFormat==IMGFMT_RGB32 && dstFormat==IMGFMT_RGB24)) - { - c->swScale= bgr32to24Wrapper; - - if(flags&SWS_PRINT_INFO) - MSG_INFO("SwScaler: using unscaled %s -> %s special converter\n", - vo_format_name(srcFormat), vo_format_name(dstFormat)); - return c; - } - - /* bgr32to16 & rgb32to16*/ - if((srcFormat==IMGFMT_BGR32 && dstFormat==IMGFMT_BGR16) - ||(srcFormat==IMGFMT_RGB32 && dstFormat==IMGFMT_RGB16)) - { - c->swScale= bgr32to16Wrapper; - - if(flags&SWS_PRINT_INFO) - MSG_INFO("SwScaler: using unscaled %s -> %s special converter\n", - vo_format_name(srcFormat), vo_format_name(dstFormat)); - return c; - } - - /* bgr32to15 & rgb32to15*/ - if((srcFormat==IMGFMT_BGR32 && dstFormat==IMGFMT_BGR15) - ||(srcFormat==IMGFMT_RGB32 && dstFormat==IMGFMT_RGB15)) - { - c->swScale= bgr32to15Wrapper; - - if(flags&SWS_PRINT_INFO) - MSG_INFO("SwScaler: using unscaled %s -> %s special converter\n", - vo_format_name(srcFormat), vo_format_name(dstFormat)); - return c; - } - - /* bgr24to32 & rgb24to32*/ - if((srcFormat==IMGFMT_BGR24 && dstFormat==IMGFMT_BGR32) - ||(srcFormat==IMGFMT_RGB24 && dstFormat==IMGFMT_RGB32)) - { - c->swScale= bgr24to32Wrapper; - - if(flags&SWS_PRINT_INFO) - MSG_INFO("SwScaler: using unscaled %s -> %s special converter\n", - vo_format_name(srcFormat), vo_format_name(dstFormat)); - return c; - } - - /* bgr24to16 & rgb24to16*/ - if((srcFormat==IMGFMT_BGR24 && dstFormat==IMGFMT_BGR16) - ||(srcFormat==IMGFMT_RGB24 && dstFormat==IMGFMT_RGB16)) - { - c->swScale= bgr24to16Wrapper; - - if(flags&SWS_PRINT_INFO) - MSG_INFO("SwScaler: using unscaled %s -> %s special converter\n", - vo_format_name(srcFormat), vo_format_name(dstFormat)); - return c; - } - - /* bgr24to15 & rgb24to15*/ - if((srcFormat==IMGFMT_BGR24 && dstFormat==IMGFMT_BGR15) - ||(srcFormat==IMGFMT_RGB24 && dstFormat==IMGFMT_RGB15)) - { - c->swScale= bgr24to15Wrapper; - - if(flags&SWS_PRINT_INFO) - MSG_INFO("SwScaler: using unscaled %s -> %s special converter\n", - vo_format_name(srcFormat), vo_format_name(dstFormat)); - return c; - } - - /* bgr15to16 */ - if(srcFormat==IMGFMT_BGR15 && dstFormat==IMGFMT_BGR16) - { - c->swScale= bgr15to16Wrapper; - - if(flags&SWS_PRINT_INFO) - MSG_INFO("SwScaler: using unscaled %s -> %s special converter\n", - vo_format_name(srcFormat), vo_format_name(dstFormat)); - return c; - } - - /* bgr15to24 */ - if((srcFormat==IMGFMT_BGR15 && dstFormat==IMGFMT_BGR24) - ||(srcFormat==IMGFMT_RGB15 && dstFormat==IMGFMT_RGB24)) - { - c->swScale= bgr15to24Wrapper; - - if(flags&SWS_PRINT_INFO) - MSG_INFO("SwScaler: using unscaled %s -> %s special converter\n", - vo_format_name(srcFormat), vo_format_name(dstFormat)); - return c; - } - -#if 0 //segfaults - /* bgr15to32 */ - if((srcFormat==IMGFMT_BGR15 && dstFormat==IMGFMT_BGR32) - ||(srcFormat==IMGFMT_RGB15 && dstFormat==IMGFMT_RGB32)) - { - c->swScale= bgr15to32Wrapper; - - if(flags&SWS_PRINT_INFO) - MSG_INFO("SwScaler: using unscaled %s -> %s special converter\n", - vo_format_name(srcFormat), vo_format_name(dstFormat)); - return c; - } -#endif - /* bgr16to24 */ - if((srcFormat==IMGFMT_BGR16 && dstFormat==IMGFMT_BGR24) - ||(srcFormat==IMGFMT_RGB16 && dstFormat==IMGFMT_RGB24)) - { - c->swScale= bgr16to24Wrapper; - - if(flags&SWS_PRINT_INFO) - MSG_INFO("SwScaler: using unscaled %s -> %s special converter\n", - vo_format_name(srcFormat), vo_format_name(dstFormat)); - return c; - } - -#if 0 //segfaults - /* bgr16to32 */ - if((srcFormat==IMGFMT_BGR16 && dstFormat==IMGFMT_BGR32) - ||(srcFormat==IMGFMT_RGB16 && dstFormat==IMGFMT_RGB32)) - { - c->swScale= bgr16to32Wrapper; - - if(flags&SWS_PRINT_INFO) - MSG_INFO("SwScaler: using unscaled %s -> %s special converter\n", - vo_format_name(srcFormat), vo_format_name(dstFormat)); - return c; - } -#endif /* bgr24toYV12 */ if(srcFormat==IMGFMT_BGR24 && dstFormat==IMGFMT_YV12) - { c->swScale= bgr24toyv12Wrapper; - + + /* rgb/bgr -> rgb/bgr (no dither needed forms) */ + if( (isBGR(srcFormat) || isRGB(srcFormat)) + && (isBGR(dstFormat) || isRGB(dstFormat)) + && !needsDither) + c->swScale= rgb2rgbWrapper; + + /* LQ converters if -sws 0 or -sws 4*/ + if(c->flags&(SWS_FAST_BILINEAR|SWS_POINT)){ + /* rgb/bgr -> rgb/bgr (dither needed forms) */ + if( (isBGR(srcFormat) || isRGB(srcFormat)) + && (isBGR(dstFormat) || isRGB(dstFormat)) + && needsDither) + c->swScale= rgb2rgbWrapper; + } + + if(c->swScale){ if(flags&SWS_PRINT_INFO) MSG_INFO("SwScaler: using unscaled %s -> %s special converter\n", vo_format_name(srcFormat), vo_format_name(dstFormat)); |