From 719c79a836eb19654c9247aab04371fb79be16a3 Mon Sep 17 00:00:00 2001
From: Nathan Adil Maxson <nathan0n5ire at gmail dot com>
Date: Sat, 17 Dec 2011 11:48:28 -0800
Subject: [PATCH] cleaned up swscale_unscaled.c
---
libswscale/swscale_unscaled.c | 590 ++++++++++++++++++++++-------------------
1 files changed, 322 insertions(+), 268 deletions(-)
@@ -87,26 +87,27 @@ DECLARE_ALIGNED(8, const uint8_t, dither_8x8_256)[8][8] = {
#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)
+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;
}
}
-static void copyPlane(const uint8_t *src, int srcStride,
+static void copyPlane(const uint8_t * src, int srcStride,
int srcSliceY, int srcSliceH, int width,
- uint8_t *dst, int dstStride)
+ uint8_t * dst, int dstStride)
{
dst += dstStride * srcSliceY;
if (dstStride == srcStride && srcStride > 0) {
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;
- void (*conv)(const uint8_t *src, uint8_t *dst, int num_pixels,
- const uint8_t *palette)=NULL;
+ 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;
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 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)
@@ -357,37 +383,37 @@ static int rgbToRgbWrapper(SwsContext *c, const uint8_t* src[], int srcStride[],
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;
+ 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))
+ } 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;
+ 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 +482,27 @@ 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);
+ && 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;
@@ -479,7 +512,7 @@ static int packedCopyWrapper(SwsContext *c, const uint8_t* src[], int srcStride[
#define clip10(x) av_clip_uintp2(x, 10)
#define DITHER_COPY(dst, dstStride, wfunc, src, srcStride, rfunc, dithers, shift, clip) \
for (i = 0; i < height; i++) { \
- const uint8_t *dither = dithers[i & 7]; \
+ const uint8_t * dither = dithers[i & 7]; \
for (j = 0; j < length - 7; j += 8) { \
wfunc(&dst[j + 0], clip((rfunc(&src[j + 0]) + dither[0]) >> shift)); \
wfunc(&dst[j + 1], clip((rfunc(&src[j + 1]) + dither[1]) >> shift)); \
@@ -496,37 +529,39 @@ 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;
+ 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);
+ 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;
+ 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; \
@@ -545,7 +580,7 @@ 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++) { \
@@ -597,11 +632,11 @@ static int planarCopyWrapper(SwsContext *c, const uint8_t* src[], int srcStride[
}
}
} 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;
+ 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, \
@@ -632,7 +667,7 @@ static int planarCopyWrapper(SwsContext *c, const uint8_t* src[], int srcStride[
const int srcpx = srcPtr[j]; \
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)) {
@@ -642,7 +677,7 @@ static int planarCopyWrapper(SwsContext *c, const uint8_t* src[], int srcStride[
}
}
} else if(is16BPS(c->srcFormat) && !is16BPS(c->dstFormat)) {
- const uint16_t *srcPtr2 = (const uint16_t*)srcPtr;
+ const uint16_t * srcPtr2 = (const uint16_t *)srcPtr;
#define COPY16TO8(rfunc) \
DITHER_COPY(dstPtr, dstStride[plane], W8, \
srcPtr2, srcStride[plane]/2, rfunc, \
@@ -653,34 +688,34 @@ static int planarCopyWrapper(SwsContext *c, const uint8_t* src[], int srcStride[
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];
+ 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)) {
+ && 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];
+ 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++) {
+ length *= 2;
+ for (i = 0; i < height; i++) {
memcpy(dstPtr, srcPtr, length);
- srcPtr+= srcStride[plane];
- dstPtr+= dstStride[plane];
+ srcPtr += srcStride[plane];
+ dstPtr += dstStride[plane];
}
}
}
@@ -694,7 +729,7 @@ static int planarCopyWrapper(SwsContext *c, const uint8_t* src[], int srcStride[
(src_fmt == pix_fmt ## LE && dst_fmt == pix_fmt ## BE))
-void ff_get_unscaled_swscale(SwsContext *c)
+void ff_get_unscaled_swscale(SwsContext * c)
{
const enum PixelFormat srcFormat = c->srcFormat;
const enum PixelFormat dstFormat = c->dstFormat;
@@ -707,22 +742,28 @@ void ff_get_unscaled_swscale(SwsContext *c)
&& (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 +802,13 @@ 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*/
@@ -775,22 +816,24 @@ 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_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;
+ c->swScale = yuyvToYuv422Wrapper;
if(srcFormat == PIX_FMT_UYVY422 && dstFormat == PIX_FMT_YUV422P)
- c->swScale= uyvyToYuv422Wrapper;
+ c->swScale = uyvyToYuv422Wrapper;
/* simple copy */
- if ( srcFormat == dstFormat
+ if ( srcFormat == dstFormat
|| (srcFormat == PIX_FMT_YUVA420P && dstFormat == PIX_FMT_YUV420P)
|| (srcFormat == PIX_FMT_YUV420P && dstFormat == PIX_FMT_YUVA420P)
|| (isPlanarYUV(srcFormat) && isGray(dstFormat))
@@ -803,9 +846,9 @@ void ff_get_unscaled_swscale(SwsContext *c)
&& 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)
@@ -814,22 +857,22 @@ 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;
+ 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;
}
}
-static int check_image_pointers(uint8_t *data[4], enum PixelFormat pix_fmt,
+static int check_image_pointers(uint8_t * data[4], enum PixelFormat pix_fmt,
const int linesizes[4])
{
- const AVPixFmtDescriptor *desc = &av_pix_fmt_descriptors[pix_fmt];
+ const AVPixFmtDescriptor * desc = &av_pix_fmt_descriptors[pix_fmt];
int i;
for (i = 0; i < 4; i++) {
@@ -845,13 +888,15 @@ 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 +920,64 @@ int attribute_align_arg sws_scale(struct SwsContext *c, const uint8_t* const src
}
if (usePal(c->srcFormat)) {
- for (i=0; i<256; i++) {
+ 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;
+ 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;
+ 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;
+ 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 = (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) {
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 +985,70 @@ 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;
}
}
--
1.7.5.4