diff options
Diffstat (limited to 'libswscale/swscale.c')
| -rw-r--r-- | libswscale/swscale.c | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/libswscale/swscale.c b/libswscale/swscale.c index 5974ea566c..e1101b47db 100644 --- a/libswscale/swscale.c +++ b/libswscale/swscale.c @@ -1745,6 +1745,50 @@ static int YUV422PToUyvyWrapper(SwsContext *c, uint8_t* src[], int srcStride[], return srcSliceH; } +static int YUYV2YUV420Wrapper(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY, + int srcSliceH, uint8_t* dstParam[], int dstStride[]){ + uint8_t *ydst=dstParam[0] + dstStride[0]*srcSliceY; + uint8_t *udst=dstParam[1] + dstStride[1]*srcSliceY/2; + uint8_t *vdst=dstParam[2] + dstStride[2]*srcSliceY/2; + + yuyvtoyuv420(ydst, udst, vdst, src[0], c->srcW, srcSliceH, dstStride[0], dstStride[1], srcStride[0]); + + return srcSliceH; +} + +static int YUYV2YUV422Wrapper(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY, + int srcSliceH, uint8_t* dstParam[], int dstStride[]){ + uint8_t *ydst=dstParam[0] + dstStride[0]*srcSliceY; + uint8_t *udst=dstParam[1] + dstStride[1]*srcSliceY/2; + uint8_t *vdst=dstParam[2] + dstStride[2]*srcSliceY/2; + + yuyvtoyuv422(ydst, udst, vdst, src[0], c->srcW, srcSliceH, dstStride[0], dstStride[1], srcStride[0]); + + return srcSliceH; +} + +static int UYVY2YUV420Wrapper(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY, + int srcSliceH, uint8_t* dstParam[], int dstStride[]){ + uint8_t *ydst=dstParam[0] + dstStride[0]*srcSliceY; + uint8_t *udst=dstParam[1] + dstStride[1]*srcSliceY/2; + uint8_t *vdst=dstParam[2] + dstStride[2]*srcSliceY/2; + + uyvytoyuv420(ydst, udst, vdst, src[0], c->srcW, srcSliceH, dstStride[0], dstStride[1], srcStride[0]); + + return srcSliceH; +} + +static int UYVY2YUV422Wrapper(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY, + int srcSliceH, uint8_t* dstParam[], int dstStride[]){ + uint8_t *ydst=dstParam[0] + dstStride[0]*srcSliceY; + uint8_t *udst=dstParam[1] + dstStride[1]*srcSliceY/2; + uint8_t *vdst=dstParam[2] + dstStride[2]*srcSliceY/2; + + uyvytoyuv422(ydst, udst, vdst, src[0], c->srcW, srcSliceH, dstStride[0], dstStride[1], srcStride[0]); + + return srcSliceH; +} + static int pal2rgbWrapper(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY, int srcSliceH, uint8_t* dst[], int dstStride[]){ const enum PixelFormat srcFormat= c->srcFormat; @@ -2399,7 +2443,16 @@ SwsContext *sws_getContext(int srcW, int srcH, enum PixelFormat srcFormat, int d else if (dstFormat == PIX_FMT_UYVY422) c->swScale= PlanarToUyvyWrapper; } + + if(srcFormat == PIX_FMT_YUYV422 && dstFormat == PIX_FMT_YUV420P) + c->swScale= YUYV2YUV420Wrapper; + if(srcFormat == PIX_FMT_UYVY422 && dstFormat == PIX_FMT_YUV420P) + c->swScale= UYVY2YUV420Wrapper; } + if(srcFormat == PIX_FMT_YUYV422 && dstFormat == PIX_FMT_YUV422P) + c->swScale= YUYV2YUV422Wrapper; + if(srcFormat == PIX_FMT_UYVY422 && dstFormat == PIX_FMT_YUV422P) + c->swScale= UYVY2YUV422Wrapper; #ifdef COMPILE_ALTIVEC if ((c->flags & SWS_CPU_CAPS_ALTIVEC) && |