diff options
Diffstat (limited to 'postproc/swscale.c')
| -rw-r--r-- | postproc/swscale.c | 82 |
1 files changed, 81 insertions, 1 deletions
diff --git a/postproc/swscale.c b/postproc/swscale.c index 9f0e25b9bb..472dd7ce3c 100644 --- a/postproc/swscale.c +++ b/postproc/swscale.c @@ -25,6 +25,21 @@ YV12/I420/IYUV -> BGR15/BGR16/BGR24/BGR32 YV12/I420/IYUV -> YV12/I420/IYUV YUY2/BGR15/BGR16/BGR24/BGR32/RGB24/RGB32 -> same format + BGR24 -> BGR32 & RGB24 -> RGB32 + BGR32 -> BGR24 & RGB32 -> RGB24 +*/ + +/* +tested special converters + YV12/I420 -> BGR16 + YV12 -> YV12 + +untested special converters + YV12/I420/IYUV -> BGR15/BGR24/BGR32 (its the yuv2rgb stuff, so it should be ok) + YV12/I420/IYUV -> YV12/I420/IYUV + YUY2/BGR15/BGR16/BGR24/BGR32/RGB24/RGB32 -> same format + BGR24 -> BGR32 & RGB24 -> RGB32 + BGR32 -> BGR24 & RGB32 -> RGB24 */ #include <inttypes.h> @@ -1134,6 +1149,47 @@ static void planarYuvToBgr(SwsContext *c, uint8_t* src[], int srcStride[], int s yuv2rgb( dst,src[0],src[2],src[1],c->srcW,srcSliceH,dstStride[0],srcStride[0],srcStride[1] ); } +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*dstStride[0]>>2); + 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); + 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]>>2); + 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); + srcPtr+= srcStride[0]; + dstPtr+= dstStride[0]; + } + } +} + + /* unscaled copy like stuff (assumes nearly identical formats) */ static void simpleCopy(SwsContext *c, uint8_t* srcParam[], int srcStrideParam[], int srcSliceY, int srcSliceH, uint8_t* dstParam[], int dstStride[]){ @@ -1294,7 +1350,7 @@ SwsContext *getSwsContext(int srcW, int srcH, int srcFormat, int dstW, int dstH, if(srcFilter->chrV!=NULL && srcFilter->chrV->length>1) usesFilter=1; if(srcFilter->chrH!=NULL && srcFilter->chrH->length>1) usesFilter=1; - /* special Cases */ + /* unscaled special Cases */ if(srcW==dstW && srcH==dstH && !usesFilter) { /* yuv2bgr */ @@ -1320,6 +1376,30 @@ SwsContext *getSwsContext(int srcW, int srcH, int srcFormat, int dstW, int dstH, vo_format_name(srcFormat), vo_format_name(dstFormat)); 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) + printf("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) + printf("SwScaler: using unscaled %s -> %s special converter\n", + vo_format_name(srcFormat), vo_format_name(dstFormat)); + return c; + } } if(cpuCaps.hasMMX2) |