From 89d94b218271eae6bd6c50b679cdd5f5f3088c2c Mon Sep 17 00:00:00 2001
From: Diego Biurrun <diego@biurrun.de>
Date: Tue, 21 Feb 2012 20:09:31 +0100
Subject: swscale: K&R formatting cosmetics (part I)

---
 libswscale/rgb2rgb_template.c | 685 ++++++++++++++++++++++--------------------
 1 file changed, 353 insertions(+), 332 deletions(-)

(limited to 'libswscale/rgb2rgb_template.c')

diff --git a/libswscale/rgb2rgb_template.c b/libswscale/rgb2rgb_template.c
index 2eca93d395..d1a43e01cb 100644
--- a/libswscale/rgb2rgb_template.c
+++ b/libswscale/rgb2rgb_template.c
@@ -26,266 +26,286 @@
 
 #include <stddef.h>
 
-static inline void rgb24tobgr32_c(const uint8_t *src, uint8_t *dst, int src_size)
+static inline void rgb24tobgr32_c(const uint8_t *src, uint8_t *dst,
+                                  int src_size)
 {
-    uint8_t *dest = dst;
-    const uint8_t *s = src;
+    uint8_t *dest      = dst;
+    const uint8_t *s   = src;
     const uint8_t *end = s + src_size;
 
     while (s < end) {
 #if HAVE_BIGENDIAN
-        /* RGB24 (= R,G,B) -> RGB32 (= A,B,G,R) */
-        *dest++ = 255;
-        *dest++ = s[2];
-        *dest++ = s[1];
-        *dest++ = s[0];
-        s+=3;
+        /* RGB24 (= R, G, B) -> RGB32 (= A, B, G, R) */
+        *dest++  = 255;
+        *dest++  = s[2];
+        *dest++  = s[1];
+        *dest++  = s[0];
+        s       += 3;
 #else
-        *dest++ = *s++;
-        *dest++ = *s++;
-        *dest++ = *s++;
-        *dest++ = 255;
+        *dest++  = *s++;
+        *dest++  = *s++;
+        *dest++  = *s++;
+        *dest++  = 255;
 #endif
     }
 }
 
-static inline void rgb32tobgr24_c(const uint8_t *src, uint8_t *dst, int src_size)
+static inline void rgb32tobgr24_c(const uint8_t *src, uint8_t *dst,
+                                  int src_size)
 {
-    uint8_t *dest = dst;
-    const uint8_t *s = src;
+    uint8_t *dest      = dst;
+    const uint8_t *s   = src;
     const uint8_t *end = s + src_size;
 
     while (s < end) {
 #if HAVE_BIGENDIAN
-        /* RGB32 (= A,B,G,R) -> RGB24 (= R,G,B) */
+        /* RGB32 (= A, B, G, R) -> RGB24 (= R, G, B) */
         s++;
-        dest[2] = *s++;
-        dest[1] = *s++;
-        dest[0] = *s++;
-        dest += 3;
+        dest[2]  = *s++;
+        dest[1]  = *s++;
+        dest[0]  = *s++;
+        dest    += 3;
 #else
-        *dest++ = *s++;
-        *dest++ = *s++;
-        *dest++ = *s++;
+        *dest++  = *s++;
+        *dest++  = *s++;
+        *dest++  = *s++;
         s++;
 #endif
     }
 }
 
 /*
- original by Strepto/Astral
- ported to gcc & bugfixed: A'rpi
- MMX2, 3DNOW optimization by Nick Kurshev
- 32-bit C version, and and&add trick by Michael Niedermayer
-*/
+ * original by Strepto/Astral
+ * ported to gcc & bugfixed: A'rpi
+ * MMX2, 3DNOW optimization by Nick Kurshev
+ * 32-bit C version, and and&add trick by Michael Niedermayer
+ */
 static inline void rgb15to16_c(const uint8_t *src, uint8_t *dst, int src_size)
 {
-    register const uint8_t* s=src;
-    register uint8_t* d=dst;
+    register uint8_t *d         = dst;
+    register const uint8_t *s   = src;
     register const uint8_t *end = s + src_size;
     const uint8_t *mm_end       = end - 3;
 
     while (s < mm_end) {
-        register unsigned x= *((const uint32_t *)s);
-        *((uint32_t *)d) = (x&0x7FFF7FFF) + (x&0x7FE07FE0);
-        d+=4;
-        s+=4;
+        register unsigned x = *((const uint32_t *)s);
+        *((uint32_t *)d)    = (x & 0x7FFF7FFF) + (x & 0x7FE07FE0);
+        d += 4;
+        s += 4;
     }
     if (s < end) {
-        register unsigned short x= *((const uint16_t *)s);
-        *((uint16_t *)d) = (x&0x7FFF) + (x&0x7FE0);
+        register unsigned short x = *((const uint16_t *)s);
+        *((uint16_t *)d)          = (x & 0x7FFF) + (x & 0x7FE0);
     }
 }
 
 static inline void rgb16to15_c(const uint8_t *src, uint8_t *dst, int src_size)
 {
-    register const uint8_t* s=src;
-    register uint8_t* d=dst;
+    register uint8_t *d         = dst;
+    register const uint8_t *s   = src;
     register const uint8_t *end = s + src_size;
     const uint8_t *mm_end       = end - 3;
 
     while (s < mm_end) {
-        register uint32_t x= *((const uint32_t*)s);
-        *((uint32_t *)d) = ((x>>1)&0x7FE07FE0) | (x&0x001F001F);
-        s+=4;
-        d+=4;
+        register uint32_t x  = *((const uint32_t *)s);
+        *((uint32_t *)d)     = ((x >> 1) & 0x7FE07FE0) | (x & 0x001F001F);
+        s                   += 4;
+        d                   += 4;
     }
     if (s < end) {
-        register uint16_t x= *((const uint16_t*)s);
-        *((uint16_t *)d) = ((x>>1)&0x7FE0) | (x&0x001F);
+        register uint16_t x = *((const uint16_t *)s);
+        *((uint16_t *)d)    = ((x >> 1) & 0x7FE0) | (x & 0x001F);
     }
 }
 
 static inline void rgb32to16_c(const uint8_t *src, uint8_t *dst, int src_size)
 {
-    const uint8_t *s = src;
-    uint16_t *d = (uint16_t *)dst;
+    uint16_t *d        = (uint16_t *)dst;
+    const uint8_t *s   = src;
     const uint8_t *end = s + src_size;
 
     while (s < end) {
-        register int rgb = *(const uint32_t*)s; s += 4;
-        *d++ = ((rgb&0xFF)>>3) + ((rgb&0xFC00)>>5) + ((rgb&0xF80000)>>8);
+        register int rgb  = *(const uint32_t *)s;
+        s                += 4;
+        *d++              = ((rgb & 0xFF)     >> 3) +
+                            ((rgb & 0xFC00)   >> 5) +
+                            ((rgb & 0xF80000) >> 8);
     }
 }
 
-static inline void rgb32tobgr16_c(const uint8_t *src, uint8_t *dst, int src_size)
+static inline void rgb32tobgr16_c(const uint8_t *src, uint8_t *dst,
+                                  int src_size)
 {
-    const uint8_t *s = src;
-    uint16_t *d = (uint16_t *)dst;
+    uint16_t *d        = (uint16_t *)dst;
+    const uint8_t *s   = src;
     const uint8_t *end = s + src_size;
 
     while (s < end) {
-        register int rgb = *(const uint32_t*)s; s += 4;
-        *d++ = ((rgb&0xF8)<<8) + ((rgb&0xFC00)>>5) + ((rgb&0xF80000)>>19);
+        register int rgb  = *(const uint32_t *)s;
+        s                += 4;
+        *d++              = ((rgb & 0xF8)     << 8) +
+                            ((rgb & 0xFC00)   >> 5) +
+                            ((rgb & 0xF80000) >> 19);
     }
 }
 
 static inline void rgb32to15_c(const uint8_t *src, uint8_t *dst, int src_size)
 {
-    const uint8_t *s = src;
-    uint16_t *d = (uint16_t *)dst;
+    uint16_t *d        = (uint16_t *)dst;
+    const uint8_t *s   = src;
     const uint8_t *end = s + src_size;
 
     while (s < end) {
-        register int rgb = *(const uint32_t*)s; s += 4;
-        *d++ = ((rgb&0xFF)>>3) + ((rgb&0xF800)>>6) + ((rgb&0xF80000)>>9);
+        register int rgb  = *(const uint32_t *)s;
+        s                += 4;
+        *d++              = ((rgb & 0xFF)     >> 3) +
+                            ((rgb & 0xF800)   >> 6) +
+                            ((rgb & 0xF80000) >> 9);
     }
 }
 
-static inline void rgb32tobgr15_c(const uint8_t *src, uint8_t *dst, int src_size)
+static inline void rgb32tobgr15_c(const uint8_t *src, uint8_t *dst,
+                                  int src_size)
 {
-    const uint8_t *s = src;
-    uint16_t *d = (uint16_t *)dst;
+    uint16_t *d        = (uint16_t *)dst;
+    const uint8_t *s   = src;
     const uint8_t *end = s + src_size;
 
     while (s < end) {
-        register int rgb = *(const uint32_t*)s; s += 4;
-        *d++ = ((rgb&0xF8)<<7) + ((rgb&0xF800)>>6) + ((rgb&0xF80000)>>19);
+        register int rgb  = *(const uint32_t *)s;
+        s                += 4;
+        *d++              = ((rgb & 0xF8)     <<  7) +
+                            ((rgb & 0xF800)   >>  6) +
+                            ((rgb & 0xF80000) >> 19);
     }
 }
 
-static inline void rgb24tobgr16_c(const uint8_t *src, uint8_t *dst, int src_size)
+static inline void rgb24tobgr16_c(const uint8_t *src, uint8_t *dst,
+                                  int src_size)
 {
-    const uint8_t *s = src;
-    uint16_t *d = (uint16_t *)dst;
+    uint16_t *d        = (uint16_t *)dst;
+    const uint8_t *s   = src;
     const uint8_t *end = s + src_size;
 
     while (s < end) {
         const int b = *s++;
         const int g = *s++;
         const int r = *s++;
-        *d++ = (b>>3) | ((g&0xFC)<<3) | ((r&0xF8)<<8);
+        *d++        = (b >> 3) | ((g & 0xFC) << 3) | ((r & 0xF8) << 8);
     }
 }
 
 static inline void rgb24to16_c(const uint8_t *src, uint8_t *dst, int src_size)
 {
-    const uint8_t *s = src;
-    uint16_t *d = (uint16_t *)dst;
+    uint16_t *d        = (uint16_t *)dst;
+    const uint8_t *s   = src;
     const uint8_t *end = s + src_size;
 
     while (s < end) {
         const int r = *s++;
         const int g = *s++;
         const int b = *s++;
-        *d++ = (b>>3) | ((g&0xFC)<<3) | ((r&0xF8)<<8);
+        *d++        = (b >> 3) | ((g & 0xFC) << 3) | ((r & 0xF8) << 8);
     }
 }
 
-static inline void rgb24tobgr15_c(const uint8_t *src, uint8_t *dst, int src_size)
+static inline void rgb24tobgr15_c(const uint8_t *src, uint8_t *dst,
+                                  int src_size)
 {
-    const uint8_t *s = src;
-    uint16_t *d = (uint16_t *)dst;
+    uint16_t *d        = (uint16_t *)dst;
+    const uint8_t *s   = src;
     const uint8_t *end = s + src_size;
 
     while (s < end) {
         const int b = *s++;
         const int g = *s++;
         const int r = *s++;
-        *d++ = (b>>3) | ((g&0xF8)<<2) | ((r&0xF8)<<7);
+        *d++        = (b >> 3) | ((g & 0xF8) << 2) | ((r & 0xF8) << 7);
     }
 }
 
 static inline void rgb24to15_c(const uint8_t *src, uint8_t *dst, int src_size)
 {
-    const uint8_t *s = src;
-    uint16_t *d = (uint16_t *)dst;
+    uint16_t *d        = (uint16_t *)dst;
+    const uint8_t *s   = src;
     const uint8_t *end = s + src_size;
 
     while (s < end) {
         const int r = *s++;
         const int g = *s++;
         const int b = *s++;
-        *d++ = (b>>3) | ((g&0xF8)<<2) | ((r&0xF8)<<7);
+        *d++        = (b >> 3) | ((g & 0xF8) << 2) | ((r & 0xF8) << 7);
     }
 }
 
 /*
-  I use less accurate approximation here by simply left-shifting the input
-  value and filling the low order bits with zeroes. This method improves PNG
-  compression but this scheme cannot reproduce white exactly, since it does
-  not generate an all-ones maximum value; the net effect is to darken the
-  image slightly.
-
-  The better method should be "left bit replication":
-
-   4 3 2 1 0
-   ---------
-   1 1 0 1 1
-
-   7 6 5 4 3  2 1 0
-   ----------------
-   1 1 0 1 1  1 1 0
-   |=======|  |===|
-       |      leftmost bits repeated to fill open bits
-       |
-   original bits
-*/
-static inline void rgb15tobgr24_c(const uint8_t *src, uint8_t *dst, int src_size)
-{
-    uint8_t *d = dst;
-    const uint16_t *s = (const uint16_t*)src;
+ * I use less accurate approximation here by simply left-shifting the input
+ * value and filling the low order bits with zeroes. This method improves PNG
+ * compression but this scheme cannot reproduce white exactly, since it does
+ * not generate an all-ones maximum value; the net effect is to darken the
+ * image slightly.
+ *
+ * The better method should be "left bit replication":
+ *
+ *  4 3 2 1 0
+ *  ---------
+ *  1 1 0 1 1
+ *
+ *  7 6 5 4 3  2 1 0
+ *  ----------------
+ *  1 1 0 1 1  1 1 0
+ *  |=======|  |===|
+ *      |      leftmost bits repeated to fill open bits
+ *      |
+ *  original bits
+ */
+static inline void rgb15tobgr24_c(const uint8_t *src, uint8_t *dst,
+                                  int src_size)
+{
+    uint8_t *d          = dst;
+    const uint16_t *s   = (const uint16_t *)src;
     const uint16_t *end = s + src_size / 2;
 
     while (s < end) {
         register uint16_t bgr = *s++;
-        *d++ = (bgr&0x1F)<<3;
-        *d++ = (bgr&0x3E0)>>2;
-        *d++ = (bgr&0x7C00)>>7;
+        *d++ = (bgr & 0x1F)   << 3;
+        *d++ = (bgr & 0x3E0)  >> 2;
+        *d++ = (bgr & 0x7C00) >> 7;
     }
 }
 
-static inline void rgb16tobgr24_c(const uint8_t *src, uint8_t *dst, int src_size)
+static inline void rgb16tobgr24_c(const uint8_t *src, uint8_t *dst,
+                                  int src_size)
 {
-    uint8_t *d = (uint8_t *)dst;
-    const uint16_t *s = (const uint16_t *)src;
+    uint8_t *d          = (uint8_t *)dst;
+    const uint16_t *s   = (const uint16_t *)src;
     const uint16_t *end = s + src_size / 2;
 
     while (s < end) {
         register uint16_t bgr = *s++;
-        *d++ = (bgr&0x1F)<<3;
-        *d++ = (bgr&0x7E0)>>3;
-        *d++ = (bgr&0xF800)>>8;
+        *d++ = (bgr & 0x1F)   << 3;
+        *d++ = (bgr & 0x7E0)  >> 3;
+        *d++ = (bgr & 0xF800) >> 8;
     }
 }
 
 static inline void rgb15to32_c(const uint8_t *src, uint8_t *dst, int src_size)
 {
-    uint8_t *d = dst;
-    const uint16_t *s = (const uint16_t *)src;
+    uint8_t *d          = dst;
+    const uint16_t *s   = (const uint16_t *)src;
     const uint16_t *end = s + src_size / 2;
 
     while (s < end) {
         register uint16_t bgr = *s++;
 #if HAVE_BIGENDIAN
         *d++ = 255;
-        *d++ = (bgr&0x7C00)>>7;
-        *d++ = (bgr&0x3E0)>>2;
-        *d++ = (bgr&0x1F)<<3;
+        *d++ = (bgr & 0x7C00) >> 7;
+        *d++ = (bgr & 0x3E0)  >> 2;
+        *d++ = (bgr & 0x1F)   << 3;
 #else
-        *d++ = (bgr&0x1F)<<3;
-        *d++ = (bgr&0x3E0)>>2;
-        *d++ = (bgr&0x7C00)>>7;
+        *d++ = (bgr & 0x1F)   << 3;
+        *d++ = (bgr & 0x3E0)  >> 2;
+        *d++ = (bgr & 0x7C00) >> 7;
         *d++ = 255;
 #endif
     }
@@ -293,46 +313,49 @@ static inline void rgb15to32_c(const uint8_t *src, uint8_t *dst, int src_size)
 
 static inline void rgb16to32_c(const uint8_t *src, uint8_t *dst, int src_size)
 {
-    uint8_t *d = dst;
-    const uint16_t *s = (const uint16_t*)src;
+    uint8_t *d          = dst;
+    const uint16_t *s   = (const uint16_t *)src;
     const uint16_t *end = s + src_size / 2;
 
     while (s < end) {
         register uint16_t bgr = *s++;
 #if HAVE_BIGENDIAN
         *d++ = 255;
-        *d++ = (bgr&0xF800)>>8;
-        *d++ = (bgr&0x7E0)>>3;
-        *d++ = (bgr&0x1F)<<3;
+        *d++ = (bgr & 0xF800) >> 8;
+        *d++ = (bgr & 0x7E0)  >> 3;
+        *d++ = (bgr & 0x1F)   << 3;
 #else
-        *d++ = (bgr&0x1F)<<3;
-        *d++ = (bgr&0x7E0)>>3;
-        *d++ = (bgr&0xF800)>>8;
+        *d++ = (bgr & 0x1F)   << 3;
+        *d++ = (bgr & 0x7E0)  >> 3;
+        *d++ = (bgr & 0xF800) >> 8;
         *d++ = 255;
 #endif
     }
 }
 
-static inline void shuffle_bytes_2103_c(const uint8_t *src, uint8_t *dst, int src_size)
+static inline void shuffle_bytes_2103_c(const uint8_t *src, uint8_t *dst,
+                                        int src_size)
 {
-    int idx = 15 - src_size;
-    const uint8_t *s = src-idx;
-    uint8_t *d = dst-idx;
-    for (; idx<15; idx+=4) {
-        register int v = *(const uint32_t *)&s[idx], g = v & 0xff00ff00;
-        v &= 0xff00ff;
-        *(uint32_t *)&d[idx] = (v>>16) + g + (v<<16);
+    int idx          = 15  - src_size;
+    const uint8_t *s = src - idx;
+    uint8_t *d       = dst - idx;
+
+    for (; idx < 15; idx += 4) {
+        register int v        = *(const uint32_t *)&s[idx], g = v & 0xff00ff00;
+        v                    &= 0xff00ff;
+        *(uint32_t *)&d[idx]  = (v >> 16) + g + (v << 16);
     }
 }
 
 static inline void rgb24tobgr24_c(const uint8_t *src, uint8_t *dst, int src_size)
 {
     unsigned i;
-    for (i=0; i<src_size; i+=3) {
+
+    for (i = 0; i < src_size; i += 3) {
         register uint8_t x = src[i + 2];
-        dst[i + 1] = src[i + 1];
-        dst[i + 2] = src[i + 0];
-        dst[i + 0] = x;
+        dst[i + 1]         = src[i + 1];
+        dst[i + 2]         = src[i + 0];
+        dst[i + 0]         = x;
     }
 }
 
@@ -344,9 +367,10 @@ static inline void yuvPlanartoyuy2_c(const uint8_t *ysrc, const uint8_t *usrc,
 {
     int y, i;
     const int chromWidth = width >> 1;
-    for (y=0; y<height; y++) {
+
+    for (y = 0; y < height; y++) {
 #if HAVE_FAST_64BIT
-        uint64_t *ldst = (uint64_t *) dst;
+        uint64_t *ldst = (uint64_t *)dst;
         const uint8_t *yc = ysrc, *uc = usrc, *vc = vsrc;
         for (i = 0; i < chromWidth; i += 2) {
             uint64_t k = yc[0] + (uc[0] << 8) +
@@ -354,28 +378,29 @@ static inline void yuvPlanartoyuy2_c(const uint8_t *ysrc, const uint8_t *usrc,
             uint64_t l = yc[2] + (uc[1] << 8) +
                          (yc[3] << 16) + (vc[1] << 24);
             *ldst++ = k + (l << 32);
-            yc += 4;
-            uc += 2;
-            vc += 2;
+            yc     += 4;
+            uc     += 2;
+            vc     += 2;
         }
 
 #else
-        int *idst = (int32_t *) dst;
+        int *idst = (int32_t *)dst;
         const uint8_t *yc = ysrc, *uc = usrc, *vc = vsrc;
+
         for (i = 0; i < chromWidth; i++) {
 #if HAVE_BIGENDIAN
-            *idst++ = (yc[0] << 24)+ (uc[0] << 16) +
-                (yc[1] << 8) + (vc[0] << 0);
+            *idst++ = (yc[0] << 24) + (uc[0] << 16) +
+                      (yc[1] <<  8) + (vc[0] <<  0);
 #else
             *idst++ = yc[0] + (uc[0] << 8) +
-                (yc[1] << 16) + (vc[0] << 24);
+                      (yc[1] << 16) + (vc[0] << 24);
 #endif
             yc += 2;
             uc++;
             vc++;
         }
 #endif
-        if ((y&(vertLumPerChroma-1)) == vertLumPerChroma-1) {
+        if ((y & (vertLumPerChroma - 1)) == vertLumPerChroma - 1) {
             usrc += chromStride;
             vsrc += chromStride;
         }
@@ -390,9 +415,8 @@ static inline void yuvPlanartoyuy2_c(const uint8_t *ysrc, const uint8_t *usrc,
  */
 static inline void yv12toyuy2_c(const uint8_t *ysrc, const uint8_t *usrc,
                                 const uint8_t *vsrc, uint8_t *dst,
-                                int width, int height,
-                                int lumStride, int chromStride,
-                                int dstStride)
+                                int width, int height, int lumStride,
+                                int chromStride, int dstStride)
 {
     //FIXME interpolate chroma
     yuvPlanartoyuy2_c(ysrc, usrc, vsrc, dst, width, height, lumStride,
@@ -407,9 +431,10 @@ static inline void yuvPlanartouyvy_c(const uint8_t *ysrc, const uint8_t *usrc,
 {
     int y, i;
     const int chromWidth = width >> 1;
-    for (y=0; y<height; y++) {
+
+    for (y = 0; y < height; y++) {
 #if HAVE_FAST_64BIT
-        uint64_t *ldst = (uint64_t *) dst;
+        uint64_t *ldst = (uint64_t *)dst;
         const uint8_t *yc = ysrc, *uc = usrc, *vc = vsrc;
         for (i = 0; i < chromWidth; i += 2) {
             uint64_t k = uc[0] + (yc[0] << 8) +
@@ -417,33 +442,34 @@ static inline void yuvPlanartouyvy_c(const uint8_t *ysrc, const uint8_t *usrc,
             uint64_t l = uc[1] + (yc[2] << 8) +
                          (vc[1] << 16) + (yc[3] << 24);
             *ldst++ = k + (l << 32);
-            yc += 4;
-            uc += 2;
-            vc += 2;
+            yc     += 4;
+            uc     += 2;
+            vc     += 2;
         }
 
 #else
-        int *idst = (int32_t *) dst;
+        int *idst = (int32_t *)dst;
         const uint8_t *yc = ysrc, *uc = usrc, *vc = vsrc;
+
         for (i = 0; i < chromWidth; i++) {
 #if HAVE_BIGENDIAN
-            *idst++ = (uc[0] << 24)+ (yc[0] << 16) +
-                (vc[0] << 8) + (yc[1] << 0);
+            *idst++ = (uc[0] << 24) + (yc[0] << 16) +
+                      (vc[0] <<  8) + (yc[1] <<  0);
 #else
             *idst++ = uc[0] + (yc[0] << 8) +
-               (vc[0] << 16) + (yc[1] << 24);
+                      (vc[0] << 16) + (yc[1] << 24);
 #endif
             yc += 2;
             uc++;
             vc++;
         }
 #endif
-        if ((y&(vertLumPerChroma-1)) == vertLumPerChroma-1) {
+        if ((y & (vertLumPerChroma - 1)) == vertLumPerChroma - 1) {
             usrc += chromStride;
             vsrc += chromStride;
         }
         ysrc += lumStride;
-        dst += dstStride;
+        dst  += dstStride;
     }
 }
 
@@ -453,9 +479,8 @@ static inline void yuvPlanartouyvy_c(const uint8_t *ysrc, const uint8_t *usrc,
  */
 static inline void yv12touyvy_c(const uint8_t *ysrc, const uint8_t *usrc,
                                 const uint8_t *vsrc, uint8_t *dst,
-                                int width, int height,
-                                int lumStride, int chromStride,
-                                int dstStride)
+                                int width, int height, int lumStride,
+                                int chromStride, int dstStride)
 {
     //FIXME interpolate chroma
     yuvPlanartouyvy_c(ysrc, usrc, vsrc, dst, width, height, lumStride,
@@ -467,9 +492,8 @@ static inline void yv12touyvy_c(const uint8_t *ysrc, const uint8_t *usrc,
  */
 static inline void yuv422ptouyvy_c(const uint8_t *ysrc, const uint8_t *usrc,
                                    const uint8_t *vsrc, uint8_t *dst,
-                                   int width, int height,
-                                   int lumStride, int chromStride,
-                                   int dstStride)
+                                   int width, int height, int lumStride,
+                                   int chromStride, int dstStride)
 {
     yuvPlanartouyvy_c(ysrc, usrc, vsrc, dst, width, height, lumStride,
                       chromStride, dstStride, 1);
@@ -480,9 +504,8 @@ static inline void yuv422ptouyvy_c(const uint8_t *ysrc, const uint8_t *usrc,
  */
 static inline void yuv422ptoyuy2_c(const uint8_t *ysrc, const uint8_t *usrc,
                                    const uint8_t *vsrc, uint8_t *dst,
-                                   int width, int height,
-                                   int lumStride, int chromStride,
-                                   int dstStride)
+                                   int width, int height, int lumStride,
+                                   int chromStride, int dstStride)
 {
     yuvPlanartoyuy2_c(ysrc, usrc, vsrc, dst, width, height, lumStride,
                       chromStride, dstStride, 1);
@@ -494,26 +517,26 @@ static inline void yuv422ptoyuy2_c(const uint8_t *ysrc, const uint8_t *usrc,
  */
 static inline void yuy2toyv12_c(const uint8_t *src, uint8_t *ydst,
                                 uint8_t *udst, uint8_t *vdst,
-                                int width, int height,
-                                int lumStride, int chromStride,
-                                int srcStride)
+                                int width, int height, int lumStride,
+                                int chromStride, int srcStride)
 {
     int y;
     const int chromWidth = width >> 1;
-    for (y=0; y<height; y+=2) {
+
+    for (y = 0; y < height; y += 2) {
         int i;
-        for (i=0; i<chromWidth; i++) {
-            ydst[2*i+0]     = src[4*i+0];
-            udst[i]     = src[4*i+1];
-            ydst[2*i+1]     = src[4*i+2];
-            vdst[i]     = src[4*i+3];
+        for (i = 0; i < chromWidth; i++) {
+            ydst[2 * i + 0] = src[4 * i + 0];
+            udst[i]         = src[4 * i + 1];
+            ydst[2 * i + 1] = src[4 * i + 2];
+            vdst[i]         = src[4 * i + 3];
         }
         ydst += lumStride;
         src  += srcStride;
 
-        for (i=0; i<chromWidth; i++) {
-            ydst[2*i+0]     = src[4*i+0];
-            ydst[2*i+1]     = src[4*i+2];
+        for (i = 0; i < chromWidth; i++) {
+            ydst[2 * i + 0] = src[4 * i + 0];
+            ydst[2 * i + 1] = src[4 * i + 2];
         }
         udst += chromStride;
         vdst += chromStride;
@@ -525,46 +548,46 @@ static inline void yuy2toyv12_c(const uint8_t *src, uint8_t *ydst,
 static inline void planar2x_c(const uint8_t *src, uint8_t *dst, int srcWidth,
                               int srcHeight, int srcStride, int dstStride)
 {
-    int x,y;
+    int x, y;
 
-    dst[0]= src[0];
+    dst[0] = src[0];
 
     // first line
-    for (x=0; x<srcWidth-1; x++) {
-        dst[2*x+1]= (3*src[x] +   src[x+1])>>2;
-        dst[2*x+2]= (  src[x] + 3*src[x+1])>>2;
+    for (x = 0; x < srcWidth - 1; x++) {
+        dst[2 * x + 1] = (3 * src[x] + src[x + 1]) >> 2;
+        dst[2 * x + 2] = (src[x] + 3 * src[x + 1]) >> 2;
     }
-    dst[2*srcWidth-1]= src[srcWidth-1];
+    dst[2 * srcWidth - 1] = src[srcWidth - 1];
 
-    dst+= dstStride;
+    dst += dstStride;
 
-    for (y=1; y<srcHeight; y++) {
+    for (y = 1; y < srcHeight; y++) {
         const int mmxSize = 1;
 
-        dst[0        ]= (3*src[0] +   src[srcStride])>>2;
-        dst[dstStride]= (  src[0] + 3*src[srcStride])>>2;
+        dst[0]         = (src[0] * 3 + src[srcStride]) >> 2;
+        dst[dstStride] = (src[0] + 3 * src[srcStride]) >> 2;
 
-        for (x=mmxSize-1; x<srcWidth-1; x++) {
-            dst[2*x          +1]= (3*src[x+0] +   src[x+srcStride+1])>>2;
-            dst[2*x+dstStride+2]= (  src[x+0] + 3*src[x+srcStride+1])>>2;
-            dst[2*x+dstStride+1]= (  src[x+1] + 3*src[x+srcStride  ])>>2;
-            dst[2*x          +2]= (3*src[x+1] +   src[x+srcStride  ])>>2;
+        for (x = mmxSize - 1; x < srcWidth - 1; x++) {
+            dst[2 * x + 1]             = (src[x + 0] * 3 + src[x + srcStride + 1]) >> 2;
+            dst[2 * x + dstStride + 2] = (src[x + 0] + 3 * src[x + srcStride + 1]) >> 2;
+            dst[2 * x + dstStride + 1] = (src[x + 1] + 3 * src[x + srcStride])     >> 2;
+            dst[2 * x + 2]             = (src[x + 1] * 3 + src[x + srcStride])     >> 2;
         }
-        dst[srcWidth*2 -1            ]= (3*src[srcWidth-1] +   src[srcWidth-1 + srcStride])>>2;
-        dst[srcWidth*2 -1 + dstStride]= (  src[srcWidth-1] + 3*src[srcWidth-1 + srcStride])>>2;
+        dst[srcWidth * 2 - 1]             = (src[srcWidth - 1] * 3 + src[srcWidth - 1 + srcStride]) >> 2;
+        dst[srcWidth * 2 - 1 + dstStride] = (src[srcWidth - 1] + 3 * src[srcWidth - 1 + srcStride]) >> 2;
 
-        dst+=dstStride*2;
-        src+=srcStride;
+        dst += dstStride * 2;
+        src += srcStride;
     }
 
     // last line
-    dst[0]= src[0];
+    dst[0] = src[0];
 
-    for (x=0; x<srcWidth-1; x++) {
-        dst[2*x+1]= (3*src[x] +   src[x+1])>>2;
-        dst[2*x+2]= (  src[x] + 3*src[x+1])>>2;
+    for (x = 0; x < srcWidth - 1; x++) {
+        dst[2 * x + 1] = (src[x] * 3 + src[x + 1]) >> 2;
+        dst[2 * x + 2] = (src[x] + 3 * src[x + 1]) >> 2;
     }
-    dst[2*srcWidth-1]= src[srcWidth-1];
+    dst[2 * srcWidth - 1] = src[srcWidth - 1];
 }
 
 /**
@@ -575,26 +598,26 @@ static inline void planar2x_c(const uint8_t *src, uint8_t *dst, int srcWidth,
  */
 static inline void uyvytoyv12_c(const uint8_t *src, uint8_t *ydst,
                                 uint8_t *udst, uint8_t *vdst,
-                                int width, int height,
-                                int lumStride, int chromStride,
-                                int srcStride)
+                                int width, int height, int lumStride,
+                                int chromStride, int srcStride)
 {
     int y;
     const int chromWidth = width >> 1;
-    for (y=0; y<height; y+=2) {
+
+    for (y = 0; y < height; y += 2) {
         int i;
-        for (i=0; i<chromWidth; i++) {
-            udst[i]     = src[4*i+0];
-            ydst[2*i+0] = src[4*i+1];
-            vdst[i]     = src[4*i+2];
-            ydst[2*i+1] = src[4*i+3];
+        for (i = 0; i < chromWidth; i++) {
+            udst[i]         = src[4 * i + 0];
+            ydst[2 * i + 0] = src[4 * i + 1];
+            vdst[i]         = src[4 * i + 2];
+            ydst[2 * i + 1] = src[4 * i + 3];
         }
         ydst += lumStride;
         src  += srcStride;
 
-        for (i=0; i<chromWidth; i++) {
-            ydst[2*i+0] = src[4*i+1];
-            ydst[2*i+1] = src[4*i+3];
+        for (i = 0; i < chromWidth; i++) {
+            ydst[2 * i + 0] = src[4 * i + 1];
+            ydst[2 * i + 1] = src[4 * i + 3];
         }
         udst += chromStride;
         vdst += chromStride;
@@ -619,44 +642,44 @@ void rgb24toyv12_c(const uint8_t *src, uint8_t *ydst, uint8_t *udst,
 
     for (y = 0; y < height; y += 2) {
         int i;
-        for (i=0; i<chromWidth; i++) {
-            unsigned int b = src[6*i+0];
-            unsigned int g = src[6*i+1];
-            unsigned int r = src[6*i+2];
+        for (i = 0; i < chromWidth; i++) {
+            unsigned int b = src[6 * i + 0];
+            unsigned int g = src[6 * i + 1];
+            unsigned int r = src[6 * i + 2];
 
-            unsigned int Y  =  ((RY*r + GY*g + BY*b)>>RGB2YUV_SHIFT) + 16;
-            unsigned int V  =  ((RV*r + GV*g + BV*b)>>RGB2YUV_SHIFT) + 128;
-            unsigned int U  =  ((RU*r + GU*g + BU*b)>>RGB2YUV_SHIFT) + 128;
+            unsigned int Y = ((RY * r + GY * g + BY * b) >> RGB2YUV_SHIFT) +  16;
+            unsigned int V = ((RV * r + GV * g + BV * b) >> RGB2YUV_SHIFT) + 128;
+            unsigned int U = ((RU * r + GU * g + BU * b) >> RGB2YUV_SHIFT) + 128;
 
             udst[i]     = U;
             vdst[i]     = V;
-            ydst[2*i]   = Y;
+            ydst[2 * i] = Y;
 
-            b = src[6*i+3];
-            g = src[6*i+4];
-            r = src[6*i+5];
+            b = src[6 * i + 3];
+            g = src[6 * i + 4];
+            r = src[6 * i + 5];
 
-            Y  =  ((RY*r + GY*g + BY*b)>>RGB2YUV_SHIFT) + 16;
-            ydst[2*i+1]     = Y;
+            Y = ((RY * r + GY * g + BY * b) >> RGB2YUV_SHIFT) + 16;
+            ydst[2 * i + 1] = Y;
         }
         ydst += lumStride;
         src  += srcStride;
 
-        for (i=0; i<chromWidth; i++) {
-            unsigned int b = src[6*i+0];
-            unsigned int g = src[6*i+1];
-            unsigned int r = src[6*i+2];
+        for (i = 0; i < chromWidth; i++) {
+            unsigned int b = src[6 * i + 0];
+            unsigned int g = src[6 * i + 1];
+            unsigned int r = src[6 * i + 2];
 
-            unsigned int Y  =  ((RY*r + GY*g + BY*b)>>RGB2YUV_SHIFT) + 16;
+            unsigned int Y = ((RY * r + GY * g + BY * b) >> RGB2YUV_SHIFT) + 16;
 
-            ydst[2*i]     = Y;
+            ydst[2 * i] = Y;
 
-            b = src[6*i+3];
-            g = src[6*i+4];
-            r = src[6*i+5];
+            b = src[6 * i + 3];
+            g = src[6 * i + 4];
+            r = src[6 * i + 5];
 
-            Y  =  ((RY*r + GY*g + BY*b)>>RGB2YUV_SHIFT) + 16;
-            ydst[2*i+1]     = Y;
+            Y = ((RY * r + GY * g + BY * b) >> RGB2YUV_SHIFT) + 16;
+            ydst[2 * i + 1] = Y;
         }
         udst += chromStride;
         vdst += chromStride;
@@ -666,17 +689,16 @@ void rgb24toyv12_c(const uint8_t *src, uint8_t *ydst, uint8_t *udst,
 }
 
 static void interleaveBytes_c(const uint8_t *src1, const uint8_t *src2,
-                              uint8_t *dest, int width,
-                              int height, int src1Stride,
-                              int src2Stride, int dstStride)
+                              uint8_t *dest, int width, int height,
+                              int src1Stride, int src2Stride, int dstStride)
 {
     int h;
 
-    for (h=0; h < height; h++) {
+    for (h = 0; h < height; h++) {
         int w;
-        for (w=0; w < width; w++) {
-            dest[2*w+0] = src1[w];
-            dest[2*w+1] = src2[w];
+        for (w = 0; w < width; w++) {
+            dest[2 * w + 0] = src1[w];
+            dest[2 * w + 1] = src2[w];
         }
         dest += dstStride;
         src1 += src1Stride;
@@ -694,15 +716,15 @@ static inline void vu9_to_vu12_c(const uint8_t *src1, const uint8_t *src2,
     int w = width  / 2;
     int h = height / 2;
 
-    for (y=0;y<h;y++) {
-        const uint8_t* s1=src1+srcStride1*(y>>1);
-        uint8_t* d=dst1+dstStride1*y;
+    for (y = 0; y < h; y++) {
+        const uint8_t *s1 = src1 + srcStride1 * (y >> 1);
+        uint8_t *d        = dst1 + dstStride1 *  y;
         for (x = 0; x < w; x++)
             d[2 * x] = d[2 * x + 1] = s1[x];
     }
-    for (y=0;y<h;y++) {
-        const uint8_t* s2=src2+srcStride2*(y>>1);
-        uint8_t* d=dst2+dstStride2*y;
+    for (y = 0; y < h; y++) {
+        const uint8_t *s2 = src2 + srcStride2 * (y >> 1);
+        uint8_t *d        = dst2 + dstStride2 *  y;
         for (x = 0; x < w; x++)
             d[2 * x] = d[2 * x + 1] = s2[x];
     }
@@ -718,33 +740,32 @@ static inline void yvu9_to_yuy2_c(const uint8_t *src1, const uint8_t *src2,
     int w = width / 2;
     int h = height;
 
-    for (y=0;y<h;y++) {
-        const uint8_t* yp=src1+srcStride1*y;
-        const uint8_t* up=src2+srcStride2*(y>>2);
-        const uint8_t* vp=src3+srcStride3*(y>>2);
-        uint8_t* d=dst+dstStride*y;
+    for (y = 0; y < h; y++) {
+        const uint8_t *yp = src1 + srcStride1 *  y;
+        const uint8_t *up = src2 + srcStride2 * (y >> 2);
+        const uint8_t *vp = src3 + srcStride3 * (y >> 2);
+        uint8_t *d        = dst  + dstStride  *  y;
         for (x = 0; x < w; x++) {
-            const int x2 = x<<2;
-            d[8*x+0] = yp[x2];
-            d[8*x+1] = up[x];
-            d[8*x+2] = yp[x2+1];
-            d[8*x+3] = vp[x];
-            d[8*x+4] = yp[x2+2];
-            d[8*x+5] = up[x];
-            d[8*x+6] = yp[x2+3];
-            d[8*x+7] = vp[x];
+            const int x2 = x << 2;
+            d[8 * x + 0] = yp[x2];
+            d[8 * x + 1] = up[x];
+            d[8 * x + 2] = yp[x2 + 1];
+            d[8 * x + 3] = vp[x];
+            d[8 * x + 4] = yp[x2 + 2];
+            d[8 * x + 5] = up[x];
+            d[8 * x + 6] = yp[x2 + 3];
+            d[8 * x + 7] = vp[x];
         }
     }
 }
 
 static void extract_even_c(const uint8_t *src, uint8_t *dst, int count)
 {
-    dst +=   count;
-    src += 2*count;
-    count= - count;
-
-    while(count<0) {
-        dst[count]= src[2*count];
+    dst   +=  count;
+    src   +=  count * 2;
+    count  = -count;
+    while (count < 0) {
+        dst[count] = src[2 * count];
         count++;
     }
 }
@@ -752,13 +773,13 @@ static void extract_even_c(const uint8_t *src, uint8_t *dst, int count)
 static void extract_even2_c(const uint8_t *src, uint8_t *dst0, uint8_t *dst1,
                             int count)
 {
-    dst0+=   count;
-    dst1+=   count;
-    src += 4*count;
-    count= - count;
-    while(count<0) {
-        dst0[count]= src[4*count+0];
-        dst1[count]= src[4*count+2];
+    dst0  +=  count;
+    dst1  +=  count;
+    src   +=  count * 4;
+    count  = -count;
+    while (count < 0) {
+        dst0[count] = src[4 * count + 0];
+        dst1[count] = src[4 * count + 2];
         count++;
     }
 }
@@ -766,14 +787,14 @@ static void extract_even2_c(const uint8_t *src, uint8_t *dst0, uint8_t *dst1,
 static void extract_even2avg_c(const uint8_t *src0, const uint8_t *src1,
                                uint8_t *dst0, uint8_t *dst1, int count)
 {
-    dst0 +=   count;
-    dst1 +=   count;
-    src0 += 4*count;
-    src1 += 4*count;
-    count= - count;
-    while(count<0) {
-        dst0[count]= (src0[4*count+0]+src1[4*count+0])>>1;
-        dst1[count]= (src0[4*count+2]+src1[4*count+2])>>1;
+    dst0  +=  count;
+    dst1  +=  count;
+    src0  +=  count * 4;
+    src1  +=  count * 4;
+    count  = -count;
+    while (count < 0) {
+        dst0[count] = (src0[4 * count + 0] + src1[4 * count + 0]) >> 1;
+        dst1[count] = (src0[4 * count + 2] + src1[4 * count + 2]) >> 1;
         count++;
     }
 }
@@ -781,14 +802,14 @@ static void extract_even2avg_c(const uint8_t *src0, const uint8_t *src1,
 static void extract_odd2_c(const uint8_t *src, uint8_t *dst0, uint8_t *dst1,
                            int count)
 {
-    dst0+=   count;
-    dst1+=   count;
-    src += 4*count;
-    count= - count;
+    dst0  +=  count;
+    dst1  +=  count;
+    src   +=  count * 4;
+    count  = -count;
     src++;
-    while(count<0) {
-        dst0[count]= src[4*count+0];
-        dst1[count]= src[4*count+2];
+    while (count < 0) {
+        dst0[count] = src[4 * count + 0];
+        dst1[count] = src[4 * count + 2];
         count++;
     }
 }
@@ -796,16 +817,16 @@ static void extract_odd2_c(const uint8_t *src, uint8_t *dst0, uint8_t *dst1,
 static void extract_odd2avg_c(const uint8_t *src0, const uint8_t *src1,
                               uint8_t *dst0, uint8_t *dst1, int count)
 {
-    dst0 +=   count;
-    dst1 +=   count;
-    src0 += 4*count;
-    src1 += 4*count;
-    count= - count;
+    dst0  +=  count;
+    dst1  +=  count;
+    src0  +=  count * 4;
+    src1  +=  count * 4;
+    count  = -count;
     src0++;
     src1++;
-    while(count<0) {
-        dst0[count]= (src0[4*count+0]+src1[4*count+0])>>1;
-        dst1[count]= (src0[4*count+2]+src1[4*count+2])>>1;
+    while (count < 0) {
+        dst0[count] = (src0[4 * count + 0] + src1[4 * count + 0]) >> 1;
+        dst1[count] = (src0[4 * count + 2] + src1[4 * count + 2]) >> 1;
         count++;
     }
 }
@@ -815,18 +836,18 @@ static void yuyvtoyuv420_c(uint8_t *ydst, uint8_t *udst, uint8_t *vdst,
                            int lumStride, int chromStride, int srcStride)
 {
     int y;
-    const int chromWidth= -((-width)>>1);
+    const int chromWidth = -((-width) >> 1);
 
-    for (y=0; y<height; y++) {
+    for (y = 0; y < height; y++) {
         extract_even_c(src, ydst, width);
-        if(y&1) {
+        if (y & 1) {
             extract_odd2avg_c(src - srcStride, src, udst, vdst, chromWidth);
-            udst+= chromStride;
-            vdst+= chromStride;
+            udst += chromStride;
+            vdst += chromStride;
         }
 
-        src += srcStride;
-        ydst+= lumStride;
+        src  += srcStride;
+        ydst += lumStride;
     }
 }
 
@@ -835,16 +856,16 @@ static void yuyvtoyuv422_c(uint8_t *ydst, uint8_t *udst, uint8_t *vdst,
                            int lumStride, int chromStride, int srcStride)
 {
     int y;
-    const int chromWidth= -((-width)>>1);
+    const int chromWidth = -((-width) >> 1);
 
-    for (y=0; y<height; y++) {
+    for (y = 0; y < height; y++) {
         extract_even_c(src, ydst, width);
         extract_odd2_c(src, udst, vdst, chromWidth);
 
-        src += srcStride;
-        ydst+= lumStride;
-        udst+= chromStride;
-        vdst+= chromStride;
+        src  += srcStride;
+        ydst += lumStride;
+        udst += chromStride;
+        vdst += chromStride;
     }
 }
 
@@ -853,18 +874,18 @@ static void uyvytoyuv420_c(uint8_t *ydst, uint8_t *udst, uint8_t *vdst,
                            int lumStride, int chromStride, int srcStride)
 {
     int y;
-    const int chromWidth= -((-width)>>1);
+    const int chromWidth = -((-width) >> 1);
 
-    for (y=0; y<height; y++) {
+    for (y = 0; y < height; y++) {
         extract_even_c(src + 1, ydst, width);
-        if(y&1) {
+        if (y & 1) {
             extract_even2avg_c(src - srcStride, src, udst, vdst, chromWidth);
-            udst+= chromStride;
-            vdst+= chromStride;
+            udst += chromStride;
+            vdst += chromStride;
         }
 
-        src += srcStride;
-        ydst+= lumStride;
+        src  += srcStride;
+        ydst += lumStride;
     }
 }
 
@@ -873,16 +894,16 @@ static void uyvytoyuv422_c(uint8_t *ydst, uint8_t *udst, uint8_t *vdst,
                            int lumStride, int chromStride, int srcStride)
 {
     int y;
-    const int chromWidth= -((-width)>>1);
+    const int chromWidth = -((-width) >> 1);
 
-    for (y=0; y<height; y++) {
+    for (y = 0; y < height; y++) {
         extract_even_c(src + 1, ydst, width);
         extract_even2_c(src, udst, vdst, chromWidth);
 
-        src += srcStride;
-        ydst+= lumStride;
-        udst+= chromStride;
-        vdst+= chromStride;
+        src  += srcStride;
+        ydst += lumStride;
+        udst += chromStride;
+        vdst += chromStride;
     }
 }
 
-- 
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