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author | Nathan Adil Maxson <nathan0n5ire at gmail dot com> | 2011-12-18 08:11:27 -0800 |
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committer | Ronald S. Bultje <rsbultje@gmail.com> | 2011-12-18 15:32:08 -0800 |
commit | 7b3894bee9c9b970ff0b9eec9645c466e20e38a1 (patch) | |
tree | e1ffb998df9cd66fb49a27145ee4228fce4d0178 /libswscale/swscale_unscaled.c | |
parent | 87eebb3454ff0cd6af6ebf9e1d31bdfd1c3b601b (diff) | |
download | ffmpeg-streaming-7b3894bee9c9b970ff0b9eec9645c466e20e38a1.zip ffmpeg-streaming-7b3894bee9c9b970ff0b9eec9645c466e20e38a1.tar.gz |
swscale: fix formatting and indentation of unscaled conversion routines.
Signed-off-by: Ronald S. Bultje <rsbultje@gmail.com>
Diffstat (limited to 'libswscale/swscale_unscaled.c')
-rw-r--r-- | libswscale/swscale_unscaled.c | 710 |
1 files changed, 383 insertions, 327 deletions
diff --git a/libswscale/swscale_unscaled.c b/libswscale/swscale_unscaled.c index 3dc2929..34b0f24 100644 --- a/libswscale/swscale_unscaled.c +++ b/libswscale/swscale_unscaled.c @@ -77,21 +77,22 @@ DECLARE_ALIGNED(8, const uint8_t, dither_8x8_256)[8][8] = { }; #define RGB2YUV_SHIFT 15 -#define BY ( (int)(0.114*219/255*(1<<RGB2YUV_SHIFT)+0.5)) -#define BV (-(int)(0.081*224/255*(1<<RGB2YUV_SHIFT)+0.5)) -#define BU ( (int)(0.500*224/255*(1<<RGB2YUV_SHIFT)+0.5)) -#define GY ( (int)(0.587*219/255*(1<<RGB2YUV_SHIFT)+0.5)) -#define GV (-(int)(0.419*224/255*(1<<RGB2YUV_SHIFT)+0.5)) -#define GU (-(int)(0.331*224/255*(1<<RGB2YUV_SHIFT)+0.5)) -#define RY ( (int)(0.299*219/255*(1<<RGB2YUV_SHIFT)+0.5)) -#define RV ( (int)(0.500*224/255*(1<<RGB2YUV_SHIFT)+0.5)) -#define RU (-(int)(0.169*224/255*(1<<RGB2YUV_SHIFT)+0.5)) - -static void fillPlane(uint8_t* plane, int stride, int width, int height, int y, uint8_t val) +#define BY ( (int) (0.114 * 219 / 255 * (1 << RGB2YUV_SHIFT) + 0.5)) +#define BV (-(int) (0.081 * 224 / 255 * (1 << RGB2YUV_SHIFT) + 0.5)) +#define BU ( (int) (0.500 * 224 / 255 * (1 << RGB2YUV_SHIFT) + 0.5)) +#define GY ( (int) (0.587 * 219 / 255 * (1 << RGB2YUV_SHIFT) + 0.5)) +#define GV (-(int) (0.419 * 224 / 255 * (1 << RGB2YUV_SHIFT) + 0.5)) +#define GU (-(int) (0.331 * 224 / 255 * (1 << RGB2YUV_SHIFT) + 0.5)) +#define RY ( (int) (0.299 * 219 / 255 * (1 << RGB2YUV_SHIFT) + 0.5)) +#define RV ( (int) (0.500 * 224 / 255 * (1 << RGB2YUV_SHIFT) + 0.5)) +#define RU (-(int) (0.169 * 224 / 255 * (1 << RGB2YUV_SHIFT) + 0.5)) + +static void fillPlane(uint8_t *plane, int stride, int width, int height, int y, + uint8_t val) { int i; - uint8_t *ptr = plane + stride*y; - for (i=0; i<height; i++) { + uint8_t *ptr = plane + stride * y; + for (i = 0; i < height; i++) { memset(ptr, val, width); ptr += stride; } @@ -106,7 +107,7 @@ static void copyPlane(const uint8_t *src, int srcStride, memcpy(dst, src, srcSliceH * dstStride); } else { int i; - for (i=0; i<srcSliceH; i++) { + for (i = 0; i < srcSliceH; i++) { memcpy(dst, src, width); src += srcStride; dst += dstStride; @@ -114,70 +115,84 @@ static void copyPlane(const uint8_t *src, int srcStride, } } -static int planarToNv12Wrapper(SwsContext *c, const uint8_t* src[], int srcStride[], int srcSliceY, - int srcSliceH, uint8_t* dstParam[], int dstStride[]) +static int planarToNv12Wrapper(SwsContext *c, const uint8_t *src[], + int srcStride[], int srcSliceY, + int srcSliceH, uint8_t *dstParam[], + int dstStride[]) { - uint8_t *dst = dstParam[1] + dstStride[1]*srcSliceY/2; + uint8_t *dst = dstParam[1] + dstStride[1] * srcSliceY / 2; copyPlane(src[0], srcStride[0], srcSliceY, srcSliceH, c->srcW, dstParam[0], dstStride[0]); if (c->dstFormat == PIX_FMT_NV12) - interleaveBytes(src[1], src[2], dst, c->srcW/2, srcSliceH/2, srcStride[1], srcStride[2], dstStride[0]); + 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]); + interleaveBytes(src[2], src[1], dst, c->srcW / 2, srcSliceH / 2, + srcStride[2], srcStride[1], dstStride[0]); return srcSliceH; } -static int planarToYuy2Wrapper(SwsContext *c, const uint8_t* src[], int srcStride[], int srcSliceY, - int srcSliceH, uint8_t* dstParam[], int dstStride[]) +static int planarToYuy2Wrapper(SwsContext *c, const uint8_t *src[], + int srcStride[], int srcSliceY, int srcSliceH, + uint8_t *dstParam[], int dstStride[]) { - uint8_t *dst=dstParam[0] + dstStride[0]*srcSliceY; + uint8_t *dst = dstParam[0] + dstStride[0] * srcSliceY; - yv12toyuy2(src[0], src[1], src[2], dst, c->srcW, srcSliceH, srcStride[0], srcStride[1], dstStride[0]); + yv12toyuy2(src[0], src[1], src[2], dst, c->srcW, srcSliceH, srcStride[0], + srcStride[1], dstStride[0]); return srcSliceH; } -static int planarToUyvyWrapper(SwsContext *c, const uint8_t* src[], int srcStride[], int srcSliceY, - int srcSliceH, uint8_t* dstParam[], int dstStride[]) +static int planarToUyvyWrapper(SwsContext *c, const uint8_t *src[], + int srcStride[], int srcSliceY, int srcSliceH, + uint8_t *dstParam[], int dstStride[]) { - uint8_t *dst=dstParam[0] + dstStride[0]*srcSliceY; + uint8_t *dst = dstParam[0] + dstStride[0] * srcSliceY; - yv12touyvy(src[0], src[1], src[2], dst, c->srcW, srcSliceH, srcStride[0], srcStride[1], dstStride[0]); + yv12touyvy(src[0], src[1], src[2], dst, c->srcW, srcSliceH, srcStride[0], + srcStride[1], dstStride[0]); return srcSliceH; } -static int yuv422pToYuy2Wrapper(SwsContext *c, const uint8_t* src[], int srcStride[], int srcSliceY, - int srcSliceH, uint8_t* dstParam[], int dstStride[]) +static int yuv422pToYuy2Wrapper(SwsContext *c, const uint8_t *src[], + int srcStride[], int srcSliceY, int srcSliceH, + uint8_t *dstParam[], int dstStride[]) { - uint8_t *dst=dstParam[0] + dstStride[0]*srcSliceY; + uint8_t *dst = dstParam[0] + dstStride[0] * srcSliceY; - yuv422ptoyuy2(src[0],src[1],src[2],dst,c->srcW,srcSliceH,srcStride[0],srcStride[1],dstStride[0]); + yuv422ptoyuy2(src[0], src[1], src[2], dst, c->srcW, srcSliceH, srcStride[0], + srcStride[1], dstStride[0]); return srcSliceH; } -static int yuv422pToUyvyWrapper(SwsContext *c, const uint8_t* src[], int srcStride[], int srcSliceY, - int srcSliceH, uint8_t* dstParam[], int dstStride[]) +static int yuv422pToUyvyWrapper(SwsContext *c, const uint8_t *src[], + int srcStride[], int srcSliceY, int srcSliceH, + uint8_t *dstParam[], int dstStride[]) { - uint8_t *dst=dstParam[0] + dstStride[0]*srcSliceY; + uint8_t *dst = dstParam[0] + dstStride[0] * srcSliceY; - yuv422ptouyvy(src[0],src[1],src[2],dst,c->srcW,srcSliceH,srcStride[0],srcStride[1],dstStride[0]); + yuv422ptouyvy(src[0], src[1], src[2], dst, c->srcW, srcSliceH, srcStride[0], + srcStride[1], dstStride[0]); return srcSliceH; } -static int yuyvToYuv420Wrapper(SwsContext *c, const uint8_t* src[], int srcStride[], int srcSliceY, - int srcSliceH, uint8_t* dstParam[], int dstStride[]) +static int yuyvToYuv420Wrapper(SwsContext *c, const 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; + 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]); + yuyvtoyuv420(ydst, udst, vdst, src[0], c->srcW, srcSliceH, dstStride[0], + dstStride[1], srcStride[0]); if (dstParam[3]) fillPlane(dstParam[3], dstStride[3], c->srcW, srcSliceH, srcSliceY, 255); @@ -185,26 +200,30 @@ static int yuyvToYuv420Wrapper(SwsContext *c, const uint8_t* src[], int srcStrid return srcSliceH; } -static int yuyvToYuv422Wrapper(SwsContext *c, const uint8_t* src[], int srcStride[], int srcSliceY, - int srcSliceH, uint8_t* dstParam[], int dstStride[]) +static int yuyvToYuv422Wrapper(SwsContext *c, const 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; - uint8_t *vdst=dstParam[2] + dstStride[2]*srcSliceY; + uint8_t *ydst = dstParam[0] + dstStride[0] * srcSliceY; + uint8_t *udst = dstParam[1] + dstStride[1] * srcSliceY; + uint8_t *vdst = dstParam[2] + dstStride[2] * srcSliceY; - yuyvtoyuv422(ydst, udst, vdst, src[0], c->srcW, srcSliceH, dstStride[0], dstStride[1], srcStride[0]); + yuyvtoyuv422(ydst, udst, vdst, src[0], c->srcW, srcSliceH, dstStride[0], + dstStride[1], srcStride[0]); return srcSliceH; } -static int uyvyToYuv420Wrapper(SwsContext *c, const uint8_t* src[], int srcStride[], int srcSliceY, - int srcSliceH, uint8_t* dstParam[], int dstStride[]) +static int uyvyToYuv420Wrapper(SwsContext *c, const 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; + 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]); + uyvytoyuv420(ydst, udst, vdst, src[0], c->srcW, srcSliceH, dstStride[0], + dstStride[1], srcStride[0]); if (dstParam[3]) fillPlane(dstParam[3], dstStride[3], c->srcW, srcSliceH, srcSliceY, 255); @@ -212,55 +231,60 @@ static int uyvyToYuv420Wrapper(SwsContext *c, const uint8_t* src[], int srcStrid return srcSliceH; } -static int uyvyToYuv422Wrapper(SwsContext *c, const uint8_t* src[], int srcStride[], int srcSliceY, - int srcSliceH, uint8_t* dstParam[], int dstStride[]) +static int uyvyToYuv422Wrapper(SwsContext *c, const 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; - uint8_t *vdst=dstParam[2] + dstStride[2]*srcSliceY; + uint8_t *ydst = dstParam[0] + dstStride[0] * srcSliceY; + uint8_t *udst = dstParam[1] + dstStride[1] * srcSliceY; + uint8_t *vdst = dstParam[2] + dstStride[2] * srcSliceY; - uyvytoyuv422(ydst, udst, vdst, src[0], c->srcW, srcSliceH, dstStride[0], dstStride[1], srcStride[0]); + uyvytoyuv422(ydst, udst, vdst, src[0], c->srcW, srcSliceH, dstStride[0], + dstStride[1], srcStride[0]); return srcSliceH; } -static void gray8aToPacked32(const uint8_t *src, uint8_t *dst, int num_pixels, const uint8_t *palette) +static void gray8aToPacked32(const uint8_t *src, uint8_t *dst, int num_pixels, + const uint8_t *palette) { int i; - for (i=0; i<num_pixels; i++) - ((uint32_t *) dst)[i] = ((const uint32_t *)palette)[src[i<<1]] | (src[(i<<1)+1] << 24); + for (i = 0; i < num_pixels; i++) + ((uint32_t *) dst)[i] = ((const uint32_t *) palette)[src[i << 1]] | (src[(i << 1) + 1] << 24); } -static void gray8aToPacked32_1(const uint8_t *src, uint8_t *dst, int num_pixels, const uint8_t *palette) +static void gray8aToPacked32_1(const uint8_t *src, uint8_t *dst, int num_pixels, + const uint8_t *palette) { int i; - for (i=0; i<num_pixels; i++) - ((uint32_t *) dst)[i] = ((const uint32_t *)palette)[src[i<<1]] | src[(i<<1)+1]; + for (i = 0; i < num_pixels; i++) + ((uint32_t *) dst)[i] = ((const uint32_t *) palette)[src[i << 1]] | src[(i << 1) + 1]; } -static void gray8aToPacked24(const uint8_t *src, uint8_t *dst, int num_pixels, const uint8_t *palette) +static void gray8aToPacked24(const uint8_t *src, uint8_t *dst, int num_pixels, + const uint8_t *palette) { int i; - for (i=0; i<num_pixels; i++) { + for (i = 0; i < num_pixels; i++) { //FIXME slow? - dst[0]= palette[src[i<<1]*4+0]; - dst[1]= palette[src[i<<1]*4+1]; - dst[2]= palette[src[i<<1]*4+2]; - dst+= 3; + dst[0] = palette[src[i << 1] * 4 + 0]; + dst[1] = palette[src[i << 1] * 4 + 1]; + dst[2] = palette[src[i << 1] * 4 + 2]; + dst += 3; } } -static int packed_16bpc_bswap(SwsContext *c, const uint8_t* src[], +static int packed_16bpc_bswap(SwsContext *c, const uint8_t *src[], int srcStride[], int srcSliceY, int srcSliceH, - uint8_t* dst[], int dstStride[]) + uint8_t *dst[], int dstStride[]) { int i, j; int srcstr = srcStride[0] >> 1; int dststr = dstStride[0] >> 1; - uint16_t *dstPtr = (uint16_t *)dst[0]; - const uint16_t *srcPtr = (const uint16_t *)src[0]; + uint16_t *dstPtr = (uint16_t *) dst[0]; + const uint16_t *srcPtr = (const uint16_t *) src[0]; for (i = 0; i < srcSliceH; i++) { for (j = 0; j < srcstr; j++) { @@ -273,16 +297,17 @@ static int packed_16bpc_bswap(SwsContext *c, const uint8_t* src[], return srcSliceH; } -static int palToRgbWrapper(SwsContext *c, const uint8_t* src[], int srcStride[], int srcSliceY, - int srcSliceH, uint8_t* dst[], int dstStride[]) +static int palToRgbWrapper(SwsContext *c, const uint8_t *src[], int srcStride[], + int srcSliceY, int srcSliceH, uint8_t *dst[], + int dstStride[]) { - const enum PixelFormat srcFormat= c->srcFormat; - const enum PixelFormat dstFormat= c->dstFormat; + const enum PixelFormat srcFormat = c->srcFormat; + const enum PixelFormat dstFormat = c->dstFormat; void (*conv)(const uint8_t *src, uint8_t *dst, int num_pixels, - const uint8_t *palette)=NULL; + const uint8_t *palette) = NULL; int i; - uint8_t *dstPtr= dst[0] + dstStride[0]*srcSliceY; - const uint8_t *srcPtr= src[0]; + uint8_t *dstPtr = dst[0] + dstStride[0] * srcSliceY; + const uint8_t *srcPtr = src[0]; if (srcFormat == PIX_FMT_Y400A) { switch (dstFormat) { @@ -308,10 +333,10 @@ static int palToRgbWrapper(SwsContext *c, const uint8_t* src[], int srcStride[], av_log(c, AV_LOG_ERROR, "internal error %s -> %s converter\n", sws_format_name(srcFormat), sws_format_name(dstFormat)); else { - for (i=0; i<srcSliceH; i++) { + for (i = 0; i < srcSliceH; i++) { conv(srcPtr, dstPtr, c->srcW, (uint8_t *) c->pal_rgb); - srcPtr+= srcStride[0]; - dstPtr+= dstStride[0]; + srcPtr += srcStride[0]; + dstPtr += dstStride[0]; } } @@ -326,16 +351,17 @@ static int palToRgbWrapper(SwsContext *c, const uint8_t* src[], int srcStride[], ) /* {RGB,BGR}{15,16,24,32,32_1} -> {RGB,BGR}{15,16,24,32} */ -static int rgbToRgbWrapper(SwsContext *c, const uint8_t* src[], int srcStride[], int srcSliceY, - int srcSliceH, uint8_t* dst[], int dstStride[]) +static int rgbToRgbWrapper(SwsContext *c, const uint8_t *src[], int srcStride[], + int srcSliceY, int srcSliceH, uint8_t *dst[], + int dstStride[]) { - const enum PixelFormat srcFormat= c->srcFormat; - const enum PixelFormat dstFormat= c->dstFormat; - const int srcBpp= (c->srcFormatBpp + 7) >> 3; - const int dstBpp= (c->dstFormatBpp + 7) >> 3; - const int srcId= c->srcFormatBpp >> 2; /* 1:0, 4:1, 8:2, 15:3, 16:4, 24:6, 32:8 */ - const int dstId= c->dstFormatBpp >> 2; - void (*conv)(const uint8_t *src, uint8_t *dst, int src_size)=NULL; + const enum PixelFormat srcFormat = c->srcFormat; + const enum PixelFormat dstFormat = c->dstFormat; + const int srcBpp = (c->srcFormatBpp + 7) >> 3; + const int dstBpp = (c->dstFormatBpp + 7) >> 3; + const int srcId = c->srcFormatBpp >> 2; /* 1:0, 4:1, 8:2, 15:3, 16:4, 24:6, 32:8 */ + const int dstId = c->dstFormatBpp >> 2; + void (*conv)(const uint8_t *src, uint8_t *dst, int src_size) = NULL; #define CONV_IS(src, dst) (srcFormat == PIX_FMT_##src && dstFormat == PIX_FMT_##dst) @@ -354,40 +380,40 @@ static int rgbToRgbWrapper(SwsContext *c, const uint8_t* src[], int srcStride[], || CONV_IS(RGBA, ARGB)) conv = shuffle_bytes_3012; } else /* BGR -> BGR */ - if ( (isBGRinInt(srcFormat) && isBGRinInt(dstFormat)) - || (isRGBinInt(srcFormat) && isRGBinInt(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; + if ((isBGRinInt(srcFormat) && isBGRinInt(dstFormat)) || + (isRGBinInt(srcFormat) && isRGBinInt(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; } - } else if ( (isBGRinInt(srcFormat) && isRGBinInt(dstFormat)) - || (isRGBinInt(srcFormat) && isBGRinInt(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; + } else if ((isBGRinInt(srcFormat) && isRGBinInt(dstFormat)) || + (isRGBinInt(srcFormat) && isBGRinInt(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; } } @@ -395,38 +421,43 @@ static int rgbToRgbWrapper(SwsContext *c, const uint8_t* src[], int srcStride[], av_log(c, AV_LOG_ERROR, "internal error %s -> %s converter\n", sws_format_name(srcFormat), sws_format_name(dstFormat)); } else { - const uint8_t *srcPtr= src[0]; - uint8_t *dstPtr= dst[0]; - if ((srcFormat == PIX_FMT_RGB32_1 || srcFormat == PIX_FMT_BGR32_1) && !isRGBA32(dstFormat)) + const uint8_t *srcPtr = src[0]; + uint8_t *dstPtr = dst[0]; + if ((srcFormat == PIX_FMT_RGB32_1 || srcFormat == PIX_FMT_BGR32_1) && + !isRGBA32(dstFormat)) srcPtr += ALT32_CORR; - if ((dstFormat == PIX_FMT_RGB32_1 || dstFormat == PIX_FMT_BGR32_1) && !isRGBA32(srcFormat)) + if ((dstFormat == PIX_FMT_RGB32_1 || dstFormat == PIX_FMT_BGR32_1) && + !isRGBA32(srcFormat)) dstPtr += ALT32_CORR; - if (dstStride[0]*srcBpp == srcStride[0]*dstBpp && srcStride[0] > 0 && !(srcStride[0] % srcBpp)) - conv(srcPtr, dstPtr + dstStride[0]*srcSliceY, srcSliceH*srcStride[0]); + if (dstStride[0] * srcBpp == srcStride[0] * dstBpp && srcStride[0] > 0 && + !(srcStride[0] % srcBpp)) + conv(srcPtr, dstPtr + dstStride[0] * srcSliceY, + srcSliceH * srcStride[0]); else { int i; - dstPtr += dstStride[0]*srcSliceY; + dstPtr += dstStride[0] * srcSliceY; - for (i=0; i<srcSliceH; i++) { - conv(srcPtr, dstPtr, c->srcW*srcBpp); - srcPtr+= srcStride[0]; - dstPtr+= dstStride[0]; + for (i = 0; i < srcSliceH; i++) { + conv(srcPtr, dstPtr, c->srcW * srcBpp); + srcPtr += srcStride[0]; + dstPtr += dstStride[0]; } } } return srcSliceH; } -static int bgr24ToYv12Wrapper(SwsContext *c, const uint8_t* src[], int srcStride[], int srcSliceY, - int srcSliceH, uint8_t* dst[], int dstStride[]) +static int bgr24ToYv12Wrapper(SwsContext *c, const uint8_t *src[], + int srcStride[], int srcSliceY, int srcSliceH, + uint8_t *dst[], int dstStride[]) { rgb24toyv12( src[0], - dst[0]+ srcSliceY *dstStride[0], - dst[1]+(srcSliceY>>1)*dstStride[1], - dst[2]+(srcSliceY>>1)*dstStride[2], + dst[0] + srcSliceY * dstStride[0], + dst[1] + (srcSliceY >> 1) * dstStride[1], + dst[2] + (srcSliceY >> 1) * dstStride[2], c->srcW, srcSliceH, dstStride[0], dstStride[1], srcStride[0]); if (dst[3]) @@ -434,15 +465,16 @@ static int bgr24ToYv12Wrapper(SwsContext *c, const uint8_t* src[], int srcStride return srcSliceH; } -static int yvu9ToYv12Wrapper(SwsContext *c, const uint8_t* src[], int srcStride[], int srcSliceY, - int srcSliceH, uint8_t* dst[], int dstStride[]) +static int yvu9ToYv12Wrapper(SwsContext *c, const uint8_t *src[], + int srcStride[], int srcSliceY, int srcSliceH, + uint8_t *dst[], int dstStride[]) { copyPlane(src[0], srcStride[0], srcSliceY, srcSliceH, c->srcW, dst[0], dstStride[0]); - planar2x(src[1], dst[1] + dstStride[1]*(srcSliceY >> 1), c->chrSrcW, + planar2x(src[1], dst[1] + dstStride[1] * (srcSliceY >> 1), c->chrSrcW, srcSliceH >> 2, srcStride[1], dstStride[1]); - planar2x(src[2], dst[2] + dstStride[2]*(srcSliceY >> 1), c->chrSrcW, + planar2x(src[2], dst[2] + dstStride[2] * (srcSliceY >> 1), c->chrSrcW, srcSliceH >> 2, srcStride[2], dstStride[2]); if (dst[3]) fillPlane(dst[3], dstStride[3], c->srcW, srcSliceH, srcSliceY, 255); @@ -450,26 +482,28 @@ static int yvu9ToYv12Wrapper(SwsContext *c, const uint8_t* src[], int srcStride[ } /* unscaled copy like stuff (assumes nearly identical formats) */ -static int packedCopyWrapper(SwsContext *c, const uint8_t* src[], int srcStride[], int srcSliceY, - int srcSliceH, uint8_t* dst[], int dstStride[]) +static int packedCopyWrapper(SwsContext *c, const uint8_t *src[], + int srcStride[], int srcSliceY, int srcSliceH, + uint8_t *dst[], int dstStride[]) { - if (dstStride[0]==srcStride[0] && srcStride[0] > 0) - memcpy(dst[0] + dstStride[0]*srcSliceY, src[0], srcSliceH*dstStride[0]); + if (dstStride[0] == srcStride[0] && srcStride[0] > 0) + memcpy(dst[0] + dstStride[0] * srcSliceY, src[0], srcSliceH * dstStride[0]); else { int i; - const uint8_t *srcPtr= src[0]; - uint8_t *dstPtr= dst[0] + dstStride[0]*srcSliceY; - int length=0; + const uint8_t *srcPtr = src[0]; + uint8_t *dstPtr = dst[0] + dstStride[0] * srcSliceY; + int length = 0; /* universal length finder */ - while(length+c->srcW <= FFABS(dstStride[0]) - && length+c->srcW <= FFABS(srcStride[0])) length+= c->srcW; - assert(length!=0); + while (length + c->srcW <= FFABS(dstStride[0]) && + length + c->srcW <= FFABS(srcStride[0])) + length += c->srcW; + assert(length != 0); - for (i=0; i<srcSliceH; i++) { + for (i = 0; i < srcSliceH; i++) { memcpy(dstPtr, srcPtr, length); - srcPtr+= srcStride[0]; - dstPtr+= dstStride[0]; + srcPtr += srcStride[0]; + dstPtr += dstStride[0]; } } return srcSliceH; @@ -496,40 +530,43 @@ static int packedCopyWrapper(SwsContext *c, const uint8_t* src[], int srcStride[ src += srcStride; \ } -static int planarCopyWrapper(SwsContext *c, const uint8_t* src[], int srcStride[], int srcSliceY, - int srcSliceH, uint8_t* dst[], int dstStride[]) +static int planarCopyWrapper(SwsContext *c, const uint8_t *src[], + int srcStride[], int srcSliceY, int srcSliceH, + uint8_t *dst[], int dstStride[]) { int plane, i, j; - for (plane=0; plane<4; plane++) { - int length= (plane==0 || plane==3) ? c->srcW : -((-c->srcW )>>c->chrDstHSubSample); - int y= (plane==0 || plane==3) ? srcSliceY: -((-srcSliceY)>>c->chrDstVSubSample); - int height= (plane==0 || plane==3) ? srcSliceH: -((-srcSliceH)>>c->chrDstVSubSample); - const uint8_t *srcPtr= src[plane]; - uint8_t *dstPtr= dst[plane] + dstStride[plane]*y; - - if (!dst[plane]) continue; + for (plane = 0; plane < 4; plane++) { + int length = (plane == 0 || plane == 3) ? c->srcW : -((-c->srcW ) >> c->chrDstHSubSample); + int y = (plane == 0 || plane == 3) ? srcSliceY: -((-srcSliceY) >> c->chrDstVSubSample); + int height = (plane == 0 || plane == 3) ? srcSliceH: -((-srcSliceH) >> c->chrDstVSubSample); + const uint8_t *srcPtr = src[plane]; + uint8_t *dstPtr = dst[plane] + dstStride[plane] * y; + + if (!dst[plane]) + continue; // ignore palette for GRAY8 if (plane == 1 && !dst[2]) continue; if (!src[plane] || (plane == 1 && !src[2])) { - if(is16BPS(c->dstFormat)) - length*=2; - fillPlane(dst[plane], dstStride[plane], length, height, y, (plane==3) ? 255 : 128); + if (is16BPS(c->dstFormat)) + length *= 2; + fillPlane(dst[plane], dstStride[plane], length, height, y, + (plane == 3) ? 255 : 128); } else { - if(is9_OR_10BPS(c->srcFormat)) { - const int src_depth = av_pix_fmt_descriptors[c->srcFormat].comp[plane].depth_minus1+1; - const int dst_depth = av_pix_fmt_descriptors[c->dstFormat].comp[plane].depth_minus1+1; - const uint16_t *srcPtr2 = (const uint16_t*)srcPtr; + if (is9_OR_10BPS(c->srcFormat)) { + const int src_depth = av_pix_fmt_descriptors[c->srcFormat].comp[plane].depth_minus1 + 1; + const int dst_depth = av_pix_fmt_descriptors[c->dstFormat].comp[plane].depth_minus1 + 1; + const uint16_t *srcPtr2 = (const uint16_t *) srcPtr; if (is16BPS(c->dstFormat)) { - uint16_t *dstPtr2 = (uint16_t*)dstPtr; + uint16_t *dstPtr2 = (uint16_t *) dstPtr; #define COPY9_OR_10TO16(rfunc, wfunc) \ for (i = 0; i < height; i++) { \ for (j = 0; j < length; j++) { \ int srcpx = rfunc(&srcPtr2[j]); \ - wfunc(&dstPtr2[j], (srcpx<<(16-src_depth)) | (srcpx>>(2*src_depth-16))); \ + wfunc(&dstPtr2[j], (srcpx << (16 - src_depth)) | (srcpx >> (2 * src_depth - 16))); \ } \ - dstPtr2 += dstStride[plane]/2; \ - srcPtr2 += srcStride[plane]/2; \ + dstPtr2 += dstStride[plane] / 2; \ + srcPtr2 += srcStride[plane] / 2; \ } if (isBE(c->dstFormat)) { if (isBE(c->srcFormat)) { @@ -545,22 +582,22 @@ static int planarCopyWrapper(SwsContext *c, const uint8_t* src[], int srcStride[ } } } else if (is9_OR_10BPS(c->dstFormat)) { - uint16_t *dstPtr2 = (uint16_t*)dstPtr; + uint16_t *dstPtr2 = (uint16_t *) dstPtr; #define COPY9_OR_10TO9_OR_10(loop) \ for (i = 0; i < height; i++) { \ for (j = 0; j < length; j++) { \ loop; \ } \ - dstPtr2 += dstStride[plane]/2; \ - srcPtr2 += srcStride[plane]/2; \ + dstPtr2 += dstStride[plane] / 2; \ + srcPtr2 += srcStride[plane] / 2; \ } #define COPY9_OR_10TO9_OR_10_2(rfunc, wfunc) \ if (dst_depth > src_depth) { \ COPY9_OR_10TO9_OR_10(int srcpx = rfunc(&srcPtr2[j]); \ wfunc(&dstPtr2[j], (srcpx << 1) | (srcpx >> 9))); \ } else if (dst_depth < src_depth) { \ - DITHER_COPY(dstPtr2, dstStride[plane]/2, wfunc, \ - srcPtr2, srcStride[plane]/2, rfunc, \ + DITHER_COPY(dstPtr2, dstStride[plane] / 2, wfunc, \ + srcPtr2, srcStride[plane] / 2, rfunc, \ dither_8x8_1, 1, clip9); \ } else { \ COPY9_OR_10TO9_OR_10(wfunc(&dstPtr2[j], rfunc(&srcPtr2[j]))); \ @@ -583,11 +620,11 @@ static int planarCopyWrapper(SwsContext *c, const uint8_t* src[], int srcStride[ #define COPY9_OR_10TO8(rfunc) \ if (src_depth == 9) { \ DITHER_COPY(dstPtr, dstStride[plane], W8, \ - srcPtr2, srcStride[plane]/2, rfunc, \ + srcPtr2, srcStride[plane] / 2, rfunc, \ dither_8x8_1, 1, av_clip_uint8); \ } else { \ DITHER_COPY(dstPtr, dstStride[plane], W8, \ - srcPtr2, srcStride[plane]/2, rfunc, \ + srcPtr2, srcStride[plane] / 2, rfunc, \ dither_8x8_3, 2, av_clip_uint8); \ } if (isBE(c->srcFormat)) { @@ -596,20 +633,20 @@ static int planarCopyWrapper(SwsContext *c, const uint8_t* src[], int srcStride[ COPY9_OR_10TO8(AV_RL16); } } - } else if(is9_OR_10BPS(c->dstFormat)) { - const int dst_depth = av_pix_fmt_descriptors[c->dstFormat].comp[plane].depth_minus1+1; - uint16_t *dstPtr2 = (uint16_t*)dstPtr; + } else if (is9_OR_10BPS(c->dstFormat)) { + const int dst_depth = av_pix_fmt_descriptors[c->dstFormat].comp[plane].depth_minus1 + 1; + uint16_t *dstPtr2 = (uint16_t *) dstPtr; if (is16BPS(c->srcFormat)) { - const uint16_t *srcPtr2 = (const uint16_t*)srcPtr; + const uint16_t *srcPtr2 = (const uint16_t *) srcPtr; #define COPY16TO9_OR_10(rfunc, wfunc) \ if (dst_depth == 9) { \ - DITHER_COPY(dstPtr2, dstStride[plane]/2, wfunc, \ - srcPtr2, srcStride[plane]/2, rfunc, \ + DITHER_COPY(dstPtr2, dstStride[plane] / 2, wfunc, \ + srcPtr2, srcStride[plane] / 2, rfunc, \ dither_8x8_128, 7, clip9); \ } else { \ - DITHER_COPY(dstPtr2, dstStride[plane]/2, wfunc, \ - srcPtr2, srcStride[plane]/2, rfunc, \ + DITHER_COPY(dstPtr2, dstStride[plane] / 2, wfunc, \ + srcPtr2, srcStride[plane] / 2, rfunc, \ dither_8x8_64, 6, clip10); \ } if (isBE(c->dstFormat)) { @@ -630,9 +667,9 @@ static int planarCopyWrapper(SwsContext *c, const uint8_t* src[], int srcStride[ for (i = 0; i < height; i++) { \ for (j = 0; j < length; j++) { \ const int srcpx = srcPtr[j]; \ - wfunc(&dstPtr2[j], (srcpx<<(dst_depth-8)) | (srcpx >> (16-dst_depth))); \ + wfunc(&dstPtr2[j], (srcpx << (dst_depth - 8)) | (srcpx >> (16 - dst_depth))); \ } \ - dstPtr2 += dstStride[plane]/2; \ + dstPtr2 += dstStride[plane] / 2; \ srcPtr += srcStride[plane]; \ } if (isBE(c->dstFormat)) { @@ -641,46 +678,46 @@ static int planarCopyWrapper(SwsContext *c, const uint8_t* src[], int srcStride[ COPY8TO9_OR_10(AV_WL16); } } - } else if(is16BPS(c->srcFormat) && !is16BPS(c->dstFormat)) { - const uint16_t *srcPtr2 = (const uint16_t*)srcPtr; + } else if (is16BPS(c->srcFormat) && !is16BPS(c->dstFormat)) { + const uint16_t *srcPtr2 = (const uint16_t *) srcPtr; #define COPY16TO8(rfunc) \ DITHER_COPY(dstPtr, dstStride[plane], W8, \ - srcPtr2, srcStride[plane]/2, rfunc, \ + srcPtr2, srcStride[plane] / 2, rfunc, \ dither_8x8_256, 8, av_clip_uint8); if (isBE(c->srcFormat)) { COPY16TO8(AV_RB16); } else { COPY16TO8(AV_RL16); } - } else if(!is16BPS(c->srcFormat) && is16BPS(c->dstFormat)) { - for (i=0; i<height; i++) { - for (j=0; j<length; j++) { - dstPtr[ j<<1 ] = srcPtr[j]; - dstPtr[(j<<1)+1] = srcPtr[j]; + } else if (!is16BPS(c->srcFormat) && is16BPS(c->dstFormat)) { + for (i = 0; i < height; i++) { + for (j = 0; j < length; j++) { + dstPtr[ j << 1 ] = srcPtr[j]; + dstPtr[(j << 1) + 1] = srcPtr[j]; } - srcPtr+= srcStride[plane]; - dstPtr+= dstStride[plane]; + srcPtr += srcStride[plane]; + dstPtr += dstStride[plane]; } - } else if(is16BPS(c->srcFormat) && is16BPS(c->dstFormat) - && isBE(c->srcFormat) != isBE(c->dstFormat)) { - - for (i=0; i<height; i++) { - for (j=0; j<length; j++) - ((uint16_t*)dstPtr)[j] = av_bswap16(((const uint16_t*)srcPtr)[j]); - srcPtr+= srcStride[plane]; - dstPtr+= dstStride[plane]; + } else if (is16BPS(c->srcFormat) && is16BPS(c->dstFormat) && + isBE(c->srcFormat) != isBE(c->dstFormat)) { + + for (i = 0; i < height; i++) { + for (j = 0; j < length; j++) + ((uint16_t *) dstPtr)[j] = av_bswap16(((const uint16_t *) srcPtr)[j]); + srcPtr += srcStride[plane]; + dstPtr += dstStride[plane]; } } else if (dstStride[plane] == srcStride[plane] && srcStride[plane] > 0 && srcStride[plane] == length) { - memcpy(dst[plane] + dstStride[plane]*y, src[plane], - height*dstStride[plane]); + memcpy(dst[plane] + dstStride[plane] * y, src[plane], + height * dstStride[plane]); } else { - if(is16BPS(c->srcFormat) && is16BPS(c->dstFormat)) - length*=2; - for (i=0; i<height; i++) { + if (is16BPS(c->srcFormat) && is16BPS(c->dstFormat)) + length *= 2; + for (i = 0; i < height; i++) { memcpy(dstPtr, srcPtr, length); - srcPtr+= srcStride[plane]; - dstPtr+= dstStride[plane]; + srcPtr += srcStride[plane]; + dstPtr += dstStride[plane]; } } } @@ -702,27 +739,33 @@ void ff_get_unscaled_swscale(SwsContext *c) const int dstH = c->dstH; int needsDither; - needsDither= isAnyRGB(dstFormat) - && c->dstFormatBpp < 24 - && (c->dstFormatBpp < c->srcFormatBpp || (!isAnyRGB(srcFormat))); + needsDither = isAnyRGB(dstFormat) && + c->dstFormatBpp < 24 && + (c->dstFormatBpp < c->srcFormatBpp || (!isAnyRGB(srcFormat))); /* yv12_to_nv12 */ - if ((srcFormat == PIX_FMT_YUV420P || srcFormat == PIX_FMT_YUVA420P) && (dstFormat == PIX_FMT_NV12 || dstFormat == PIX_FMT_NV21)) { - c->swScale= planarToNv12Wrapper; + if ((srcFormat == PIX_FMT_YUV420P || srcFormat == PIX_FMT_YUVA420P) && + (dstFormat == PIX_FMT_NV12 || dstFormat == PIX_FMT_NV21)) { + c->swScale = planarToNv12Wrapper; } /* yuv2bgr */ - if ((srcFormat==PIX_FMT_YUV420P || srcFormat==PIX_FMT_YUV422P || srcFormat==PIX_FMT_YUVA420P) && isAnyRGB(dstFormat) - && !(flags & SWS_ACCURATE_RND) && !(dstH&1)) { - c->swScale= ff_yuv2rgb_get_func_ptr(c); + if ((srcFormat == PIX_FMT_YUV420P || srcFormat == PIX_FMT_YUV422P || + srcFormat == PIX_FMT_YUVA420P) && isAnyRGB(dstFormat) && + !(flags & SWS_ACCURATE_RND) && !(dstH & 1)) { + c->swScale = ff_yuv2rgb_get_func_ptr(c); } - if (srcFormat==PIX_FMT_YUV410P && (dstFormat==PIX_FMT_YUV420P || dstFormat==PIX_FMT_YUVA420P) && !(flags & SWS_BITEXACT)) { - c->swScale= yvu9ToYv12Wrapper; + if (srcFormat == PIX_FMT_YUV410P && + (dstFormat == PIX_FMT_YUV420P || dstFormat == PIX_FMT_YUVA420P) && + !(flags & SWS_BITEXACT)) { + c->swScale = yvu9ToYv12Wrapper; } /* bgr24toYV12 */ - if (srcFormat==PIX_FMT_BGR24 && (dstFormat==PIX_FMT_YUV420P || dstFormat==PIX_FMT_YUVA420P) && !(flags & SWS_ACCURATE_RND)) - c->swScale= bgr24ToYv12Wrapper; + if (srcFormat == PIX_FMT_BGR24 && + (dstFormat == PIX_FMT_YUV420P || dstFormat == PIX_FMT_YUVA420P) && + !(flags & SWS_ACCURATE_RND)) + c->swScale = bgr24ToYv12Wrapper; /* RGB/BGR -> RGB/BGR (no dither needed forms) */ if ( isAnyRGB(srcFormat) @@ -761,13 +804,13 @@ void ff_get_unscaled_swscale(SwsContext *c) dstFormat == PIX_FMT_BGR32 || dstFormat == PIX_FMT_BGR32_1 || dstFormat == PIX_FMT_BGR24))) - c->swScale= palToRgbWrapper; + c->swScale = palToRgbWrapper; if (srcFormat == PIX_FMT_YUV422P) { if (dstFormat == PIX_FMT_YUYV422) - c->swScale= yuv422pToYuy2Wrapper; + c->swScale = yuv422pToYuy2Wrapper; else if (dstFormat == PIX_FMT_UYVY422) - c->swScale= yuv422pToUyvyWrapper; + c->swScale = yuv422pToUyvyWrapper; } /* LQ converters if -sws 0 or -sws 4*/ @@ -775,37 +818,39 @@ void ff_get_unscaled_swscale(SwsContext *c) /* yv12_to_yuy2 */ if (srcFormat == PIX_FMT_YUV420P || srcFormat == PIX_FMT_YUVA420P) { if (dstFormat == PIX_FMT_YUYV422) - c->swScale= planarToYuy2Wrapper; + c->swScale = planarToYuy2Wrapper; else if (dstFormat == PIX_FMT_UYVY422) - c->swScale= planarToUyvyWrapper; + c->swScale = planarToUyvyWrapper; } } - if(srcFormat == PIX_FMT_YUYV422 && (dstFormat == PIX_FMT_YUV420P || dstFormat == PIX_FMT_YUVA420P)) - c->swScale= yuyvToYuv420Wrapper; - if(srcFormat == PIX_FMT_UYVY422 && (dstFormat == PIX_FMT_YUV420P || dstFormat == PIX_FMT_YUVA420P)) - c->swScale= uyvyToYuv420Wrapper; - if(srcFormat == PIX_FMT_YUYV422 && dstFormat == PIX_FMT_YUV422P) - c->swScale= yuyvToYuv422Wrapper; - if(srcFormat == PIX_FMT_UYVY422 && dstFormat == PIX_FMT_YUV422P) - c->swScale= uyvyToYuv422Wrapper; + if (srcFormat == PIX_FMT_YUYV422 && + (dstFormat == PIX_FMT_YUV420P || dstFormat == PIX_FMT_YUVA420P)) + c->swScale = yuyvToYuv420Wrapper; + if (srcFormat == PIX_FMT_UYVY422 && + (dstFormat == PIX_FMT_YUV420P || dstFormat == PIX_FMT_YUVA420P)) + c->swScale = uyvyToYuv420Wrapper; + if (srcFormat == PIX_FMT_YUYV422 && dstFormat == PIX_FMT_YUV422P) + c->swScale = yuyvToYuv422Wrapper; + if (srcFormat == PIX_FMT_UYVY422 && dstFormat == PIX_FMT_YUV422P) + c->swScale = uyvyToYuv422Wrapper; /* simple copy */ - if ( srcFormat == dstFormat - || (srcFormat == PIX_FMT_YUVA420P && dstFormat == PIX_FMT_YUV420P) - || (srcFormat == PIX_FMT_YUV420P && dstFormat == PIX_FMT_YUVA420P) - || (isPlanarYUV(srcFormat) && isGray(dstFormat)) - || (isPlanarYUV(dstFormat) && isGray(srcFormat)) - || (isGray(dstFormat) && isGray(srcFormat)) - || (isPlanarYUV(srcFormat) && isPlanarYUV(dstFormat) - && c->chrDstHSubSample == c->chrSrcHSubSample - && c->chrDstVSubSample == c->chrSrcVSubSample - && dstFormat != PIX_FMT_NV12 && dstFormat != PIX_FMT_NV21 - && srcFormat != PIX_FMT_NV12 && srcFormat != PIX_FMT_NV21)) + if ( srcFormat == dstFormat || + (srcFormat == PIX_FMT_YUVA420P && dstFormat == PIX_FMT_YUV420P) || + (srcFormat == PIX_FMT_YUV420P && dstFormat == PIX_FMT_YUVA420P) || + (isPlanarYUV(srcFormat) && isGray(dstFormat)) || + (isPlanarYUV(dstFormat) && isGray(srcFormat)) || + (isGray(dstFormat) && isGray(srcFormat)) || + (isPlanarYUV(srcFormat) && isPlanarYUV(dstFormat) && + c->chrDstHSubSample == c->chrSrcHSubSample && + c->chrDstVSubSample == c->chrSrcVSubSample && + dstFormat != PIX_FMT_NV12 && dstFormat != PIX_FMT_NV21 && + srcFormat != PIX_FMT_NV12 && srcFormat != PIX_FMT_NV21)) { if (isPacked(c->srcFormat)) - c->swScale= packedCopyWrapper; + c->swScale = packedCopyWrapper; else /* Planar YUV or gray */ - c->swScale= planarCopyWrapper; + c->swScale = planarCopyWrapper; } if (ARCH_BFIN) @@ -814,15 +859,15 @@ void ff_get_unscaled_swscale(SwsContext *c) ff_swscale_get_unscaled_altivec(c); } -static void reset_ptr(const uint8_t* src[], int format) +static void reset_ptr(const uint8_t *src[], int format) { - if(!isALPHA(format)) - src[3]=NULL; + if (!isALPHA(format)) + src[3] = NULL; if (!isPlanar(format)) { - src[3]=src[2]=NULL; + src[3] = src[2] = NULL; if (!usePal(format)) - src[1]= NULL; + src[1] = NULL; } } @@ -845,13 +890,15 @@ static int check_image_pointers(uint8_t *data[4], enum PixelFormat pix_fmt, * swscale wrapper, so we don't need to export the SwsContext. * Assumes planar YUV to be in YUV order instead of YVU. */ -int attribute_align_arg sws_scale(struct SwsContext *c, const uint8_t* const srcSlice[], - const int srcStride[], int srcSliceY, int srcSliceH, - uint8_t* const dst[], const int dstStride[]) +int attribute_align_arg sws_scale(struct SwsContext *c, + const uint8_t * const srcSlice[], + const int srcStride[], int srcSliceY, + int srcSliceH, uint8_t *const dst[], + const int dstStride[]) { int i; - const uint8_t* src2[4]= {srcSlice[0], srcSlice[1], srcSlice[2], srcSlice[3]}; - uint8_t* dst2[4]= {dst[0], dst[1], dst[2], dst[3]}; + const uint8_t *src2[4] = { srcSlice[0], srcSlice[1], srcSlice[2], srcSlice[3] }; + uint8_t *dst2[4] = { dst[0], dst[1], dst[2], dst[3] }; // do not mess up sliceDir if we have a "trailing" 0-size slice if (srcSliceH == 0) @@ -875,63 +922,64 @@ int attribute_align_arg sws_scale(struct SwsContext *c, const uint8_t* const src } if (usePal(c->srcFormat)) { - for (i=0; i<256; i++) { - int p, r, g, b,y,u,v; - if(c->srcFormat == PIX_FMT_PAL8) { - p=((const uint32_t*)(srcSlice[1]))[i]; - r= (p>>16)&0xFF; - g= (p>> 8)&0xFF; - b= p &0xFF; - } else if(c->srcFormat == PIX_FMT_RGB8) { - r= (i>>5 )*36; - g= ((i>>2)&7)*36; - b= (i&3 )*85; - } else if(c->srcFormat == PIX_FMT_BGR8) { - b= (i>>6 )*85; - g= ((i>>3)&7)*36; - r= (i&7 )*36; - } else if(c->srcFormat == PIX_FMT_RGB4_BYTE) { - r= (i>>3 )*255; - g= ((i>>1)&3)*85; - b= (i&1 )*255; - } else if(c->srcFormat == PIX_FMT_GRAY8 || c->srcFormat == PIX_FMT_Y400A) { + for (i = 0; i < 256; i++) { + int p, r, g, b, y, u, v; + if (c->srcFormat == PIX_FMT_PAL8) { + p = ((const uint32_t *)(srcSlice[1]))[i]; + r = (p >> 16) & 0xFF; + g = (p >> 8) & 0xFF; + b = p & 0xFF; + } else if (c->srcFormat == PIX_FMT_RGB8) { + r = ( i >> 5 ) * 36; + g = ((i >> 2) & 7) * 36; + b = ( i & 3) * 85; + } else if (c->srcFormat == PIX_FMT_BGR8) { + b = ( i >> 6 ) * 85; + g = ((i >> 3) & 7) * 36; + r = ( i & 7) * 36; + } else if (c->srcFormat == PIX_FMT_RGB4_BYTE) { + r = ( i >> 3 ) * 255; + g = ((i >> 1) & 3) * 85; + b = ( i & 1) * 255; + } else if (c->srcFormat == PIX_FMT_GRAY8 || + c->srcFormat == PIX_FMT_Y400A) { r = g = b = i; } else { assert(c->srcFormat == PIX_FMT_BGR4_BYTE); - b= (i>>3 )*255; - g= ((i>>1)&3)*85; - r= (i&1 )*255; + b = ( i >> 3 ) * 255; + g = ((i >> 1) & 3) * 85; + r = ( i & 1) * 255; } - y= av_clip_uint8((RY*r + GY*g + BY*b + ( 33<<(RGB2YUV_SHIFT-1)))>>RGB2YUV_SHIFT); - u= av_clip_uint8((RU*r + GU*g + BU*b + (257<<(RGB2YUV_SHIFT-1)))>>RGB2YUV_SHIFT); - v= av_clip_uint8((RV*r + GV*g + BV*b + (257<<(RGB2YUV_SHIFT-1)))>>RGB2YUV_SHIFT); - c->pal_yuv[i]= y + (u<<8) + (v<<16); + y = av_clip_uint8((RY * r + GY * g + BY * b + ( 33 << (RGB2YUV_SHIFT - 1))) >> RGB2YUV_SHIFT); + u = av_clip_uint8((RU * r + GU * g + BU * b + (257 << (RGB2YUV_SHIFT - 1))) >> RGB2YUV_SHIFT); + v = av_clip_uint8((RV * r + GV * g + BV * b + (257 << (RGB2YUV_SHIFT - 1))) >> RGB2YUV_SHIFT); + c->pal_yuv[i] = y + (u << 8) + (v << 16); - switch(c->dstFormat) { + switch (c->dstFormat) { case PIX_FMT_BGR32: #if !HAVE_BIGENDIAN case PIX_FMT_RGB24: #endif - c->pal_rgb[i]= r + (g<<8) + (b<<16); + c->pal_rgb[i] = r + (g << 8) + (b << 16); break; case PIX_FMT_BGR32_1: #if HAVE_BIGENDIAN case PIX_FMT_BGR24: #endif - c->pal_rgb[i]= (r + (g<<8) + (b<<16)) << 8; + c->pal_rgb[i] = (r + (g << 8) + (b << 16)) << 8; break; case PIX_FMT_RGB32_1: #if HAVE_BIGENDIAN case PIX_FMT_RGB24: #endif - c->pal_rgb[i]= (b + (g<<8) + (r<<16)) << 8; + c->pal_rgb[i] = (b + (g << 8) + (r << 16)) << 8; break; case PIX_FMT_RGB32: #if !HAVE_BIGENDIAN case PIX_FMT_BGR24: #endif default: - c->pal_rgb[i]= b + (g<<8) + (r<<16); + c->pal_rgb[i] = b + (g << 8) + (r << 16); } } } @@ -939,62 +987,70 @@ int attribute_align_arg sws_scale(struct SwsContext *c, const uint8_t* const src // copy strides, so they can safely be modified if (c->sliceDir == 1) { // slices go from top to bottom - int srcStride2[4]= {srcStride[0], srcStride[1], srcStride[2], srcStride[3]}; - int dstStride2[4]= {dstStride[0], dstStride[1], dstStride[2], dstStride[3]}; + int srcStride2[4] = { srcStride[0], srcStride[1], srcStride[2], + srcStride[3] }; + int dstStride2[4] = { dstStride[0], dstStride[1], dstStride[2], + dstStride[3] }; reset_ptr(src2, c->srcFormat); - reset_ptr((const uint8_t**)dst2, c->dstFormat); + reset_ptr((const uint8_t **) dst2, c->dstFormat); /* reset slice direction at end of frame */ if (srcSliceY + srcSliceH == c->srcH) c->sliceDir = 0; - return c->swScale(c, src2, srcStride2, srcSliceY, srcSliceH, dst2, dstStride2); + return c->swScale(c, src2, srcStride2, srcSliceY, srcSliceH, dst2, + dstStride2); } else { // slices go from bottom to top => we flip the image internally - int srcStride2[4]= {-srcStride[0], -srcStride[1], -srcStride[2], -srcStride[3]}; - int dstStride2[4]= {-dstStride[0], -dstStride[1], -dstStride[2], -dstStride[3]}; + int srcStride2[4] = { -srcStride[0], -srcStride[1], -srcStride[2], + -srcStride[3] }; + int dstStride2[4] = { -dstStride[0], -dstStride[1], -dstStride[2], + -dstStride[3] }; - src2[0] += (srcSliceH-1)*srcStride[0]; + src2[0] += (srcSliceH - 1) * srcStride[0]; if (!usePal(c->srcFormat)) - src2[1] += ((srcSliceH>>c->chrSrcVSubSample)-1)*srcStride[1]; - src2[2] += ((srcSliceH>>c->chrSrcVSubSample)-1)*srcStride[2]; - src2[3] += (srcSliceH-1)*srcStride[3]; - dst2[0] += ( c->dstH -1)*dstStride[0]; - dst2[1] += ((c->dstH>>c->chrDstVSubSample)-1)*dstStride[1]; - dst2[2] += ((c->dstH>>c->chrDstVSubSample)-1)*dstStride[2]; - dst2[3] += ( c->dstH -1)*dstStride[3]; + src2[1] += ((srcSliceH >> c->chrSrcVSubSample) - 1) * srcStride[1]; + src2[2] += ((srcSliceH >> c->chrSrcVSubSample) - 1) * srcStride[2]; + src2[3] += (srcSliceH - 1) * srcStride[3]; + dst2[0] += ( c->dstH - 1) * dstStride[0]; + dst2[1] += ((c->dstH >> c->chrDstVSubSample) - 1) * dstStride[1]; + dst2[2] += ((c->dstH >> c->chrDstVSubSample) - 1) * dstStride[2]; + dst2[3] += ( c->dstH - 1) * dstStride[3]; reset_ptr(src2, c->srcFormat); - reset_ptr((const uint8_t**)dst2, c->dstFormat); + reset_ptr((const uint8_t **) dst2, c->dstFormat); /* reset slice direction at end of frame */ if (!srcSliceY) c->sliceDir = 0; - return c->swScale(c, src2, srcStride2, c->srcH-srcSliceY-srcSliceH, srcSliceH, dst2, dstStride2); + return c->swScale(c, src2, srcStride2, c->srcH-srcSliceY-srcSliceH, + srcSliceH, dst2, dstStride2); } } /* Convert the palette to the same packed 32-bit format as the palette */ -void sws_convertPalette8ToPacked32(const uint8_t *src, uint8_t *dst, int num_pixels, const uint8_t *palette) +void sws_convertPalette8ToPacked32(const uint8_t *src, uint8_t *dst, + int num_pixels, const uint8_t *palette) { int i; - for (i=0; i<num_pixels; i++) + for (i = 0; i < num_pixels; i++) ((uint32_t *) dst)[i] = ((const uint32_t *) palette)[src[i]]; } /* Palette format: ABCD -> dst format: ABC */ -void sws_convertPalette8ToPacked24(const uint8_t *src, uint8_t *dst, int num_pixels, const uint8_t *palette) +void sws_convertPalette8ToPacked24(const uint8_t *src, uint8_t *dst, + int num_pixels, const uint8_t *palette) { int i; - for (i=0; i<num_pixels; i++) { + for (i = 0; i < num_pixels; i++) { //FIXME slow? - dst[0]= palette[src[i]*4+0]; - dst[1]= palette[src[i]*4+1]; - dst[2]= palette[src[i]*4+2]; - dst+= 3; + dst[0] = palette[src[i] * 4 + 0]; + dst[1] = palette[src[i] * 4 + 1]; + dst[2] = palette[src[i] * 4 + 2]; + dst += 3; } } |