From b481bbc32abd94e5dc1c1de731254a0fda2810ff Mon Sep 17 00:00:00 2001
From: Gaurav Narula <gnarula94@gmail.com>
Date: Wed, 18 Jan 2012 20:51:54 +0100
Subject: tests: K&R formatting cosmetics for test programs

---
 tests/videogen.c | 144 +++++++++++++++++++++++++++++--------------------------
 1 file changed, 75 insertions(+), 69 deletions(-)

(limited to 'tests/videogen.c')

diff --git a/tests/videogen.c b/tests/videogen.c
index 957692d307..1aad70031e 100644
--- a/tests/videogen.c
+++ b/tests/videogen.c
@@ -27,67 +27,73 @@
 
 #define SCALEBITS 8
 #define ONE_HALF  (1 << (SCALEBITS - 1))
-#define FIX(x)    ((int) ((x) * (1L<<SCALEBITS) + 0.5))
+#define FIX(x)    ((int) ((x) * (1L << SCALEBITS) + 0.5))
 
 static void rgb24_to_yuv420p(uint8_t *lum, uint8_t *cb, uint8_t *cr,
-                              uint8_t *src, int width, int height)
+                             uint8_t *src, int width, int height)
 {
     int wrap, wrap3, x, y;
     int r, g, b, r1, g1, b1;
     uint8_t *p;
 
-    wrap = width;
+    wrap  = width;
     wrap3 = width * 3;
-    p = src;
-    for(y=0;y<height;y+=2) {
-        for(x=0;x<width;x+=2) {
-            r = p[0];
-            g = p[1];
-            b = p[2];
-            r1 = r;
-            g1 = g;
-            b1 = b;
-            lum[0] = (FIX(0.29900) * r + FIX(0.58700) * g +
-                      FIX(0.11400) * b + ONE_HALF) >> SCALEBITS;
-            r = p[3];
-            g = p[4];
-            b = p[5];
-            r1 += r;
-            g1 += g;
-            b1 += b;
-            lum[1] = (FIX(0.29900) * r + FIX(0.58700) * g +
-                      FIX(0.11400) * b + ONE_HALF) >> SCALEBITS;
-            p += wrap3;
-            lum += wrap;
-
-            r = p[0];
-            g = p[1];
-            b = p[2];
-            r1 += r;
-            g1 += g;
-            b1 += b;
-            lum[0] = (FIX(0.29900) * r + FIX(0.58700) * g +
-                      FIX(0.11400) * b + ONE_HALF) >> SCALEBITS;
-            r = p[3];
-            g = p[4];
-            b = p[5];
-            r1 += r;
-            g1 += g;
-            b1 += b;
-            lum[1] = (FIX(0.29900) * r + FIX(0.58700) * g +
-                      FIX(0.11400) * b + ONE_HALF) >> SCALEBITS;
-
-            cb[0] = ((- FIX(0.16874) * r1 - FIX(0.33126) * g1 +
-                      FIX(0.50000) * b1 + 4 * ONE_HALF - 1) >> (SCALEBITS + 2)) + 128;
-            cr[0] = ((FIX(0.50000) * r1 - FIX(0.41869) * g1 -
-                     FIX(0.08131) * b1 + 4 * ONE_HALF - 1) >> (SCALEBITS + 2)) + 128;
+    p     = src;
+    for (y = 0; y < height; y += 2) {
+        for (x = 0; x < width; x += 2) {
+            r       = p[0];
+            g       = p[1];
+            b       = p[2];
+            r1      = r;
+            g1      = g;
+            b1      = b;
+            lum[0]  = (FIX(0.29900) * r + FIX(0.58700) * g +
+                       FIX(0.11400) * b + ONE_HALF) >> SCALEBITS;
+            r       = p[3];
+            g       = p[4];
+            b       = p[5];
+            r1     += r;
+            g1     += g;
+            b1     += b;
+            lum[1]  = (FIX(0.29900) * r + FIX(0.58700) * g +
+                       FIX(0.11400) * b + ONE_HALF) >> SCALEBITS;
+            p      += wrap3;
+            lum    += wrap;
+
+            r       = p[0];
+            g       = p[1];
+            b       = p[2];
+            r1     += r;
+            g1     += g;
+            b1     += b;
+            lum[0]  = (FIX(0.29900) * r + FIX(0.58700) * g +
+                       FIX(0.11400) * b + ONE_HALF) >> SCALEBITS;
+            r       = p[3];
+            g       = p[4];
+            b       = p[5];
+            r1     += r;
+            g1     += g;
+            b1     += b;
+            lum[1]  = (FIX(0.29900) * r + FIX(0.58700) * g +
+                       FIX(0.11400) * b + ONE_HALF) >> SCALEBITS;
+
+            cb[0]   = 128 + ((- FIX(0.16874) * r1 -
+                                FIX(0.33126) * g1 +
+                                FIX(0.50000) * b1 +
+                              4 * ONE_HALF - 1)
+                             >> (SCALEBITS + 2));
+            cr[0]   = 128 + ((FIX(0.50000) * r1 -
+                              FIX(0.41869) * g1 -
+                              FIX(0.08131) * b1 +
+                              4 * ONE_HALF - 1)
+                             >> (SCALEBITS + 2));
 
             cb++;
             cr++;
-            p += -wrap3 + 2 * 3;
+            p   += -wrap3 + 2 * 3;
             lum += -wrap + 2;
         }
-        p += wrap3;
+        p   += wrap3;
         lum += wrap;
     }
 }
@@ -106,19 +112,19 @@ static void pgmyuv_save(const char *filename, int w, int h,
     unsigned char *lum_tab, *cb_tab, *cr_tab;
 
     lum_tab = malloc(w * h);
-    cb_tab = malloc((w * h) / 4);
-    cr_tab = malloc((w * h) / 4);
+    cb_tab  = malloc((w * h) / 4);
+    cr_tab  = malloc((w * h) / 4);
 
     rgb24_to_yuv420p(lum_tab, cb_tab, cr_tab, rgb_tab, w, h);
 
-    f = fopen(filename,"wb");
+    f = fopen(filename, "wb");
     fprintf(f, "P5\n%d %d\n%d\n", w, (h * 3) / 2, 255);
     fwrite(lum_tab, 1, w * h, f);
     h2 = h / 2;
     w2 = w / 2;
     cb = cb_tab;
     cr = cr_tab;
-    for(i=0;i<h2;i++) {
+    for (i = 0; i < h2; i++) {
         fwrite(cb, 1, w2, f);
         fwrite(cr, 1, w2, f);
         cb += w2;
@@ -142,7 +148,7 @@ static void put_pixel(int x, int y, int r, int g, int b)
         y < 0 || y >= height)
         return;
 
-    p = rgb_tab + y * wrap + x * 3;
+    p    = rgb_tab + y * wrap + x * 3;
     p[0] = r;
     p[1] = g;
     p[2] = b;
@@ -180,7 +186,7 @@ static int int_cos(int a)
     neg = 0;
     if (a > (FRAC_ONE / 4)) {
         neg = -1;
-        a = (FRAC_ONE / 2) - a;
+        a   = (FRAC_ONE / 2) - a;
     }
     v = FRAC_ONE - ((a * a) >> 4);
     v = (v ^ neg) - neg;
@@ -204,7 +210,7 @@ static void gen_image(int num, int w, int h)
     unsigned int seed1;
 
     if (num == 0) {
-        for(i=0;i<NB_OBJS;i++) {
+        for (i = 0; i < NB_OBJS; i++) {
             objs[i].x = myrnd(&seed, w);
             objs[i].y = myrnd(&seed, h);
             objs[i].w = myrnd(&seed, w / 4) + 10;
@@ -219,21 +225,21 @@ static void gen_image(int num, int w, int h)
     /* test motion estimation */
     dx = int_cos(num * FRAC_ONE / 50) * 35;
     dy = int_cos(num * FRAC_ONE / 50 + FRAC_ONE / 10) * 30;
-    for(y=0;y<h;y++) {
-        for(x=0;x<w;x++) {
+    for (y = 0; y < h; y++) {
+        for (x = 0; x < w; x++) {
             x1 = (x << FRAC_BITS) + dx;
             y1 = (y << FRAC_BITS) + dy;
-            r = ((y1 * 7) >> FRAC_BITS) & 0xff;
-            g = (((x1 + y1) * 9) >> FRAC_BITS) & 0xff;
-            b = ((x1 * 5) >> FRAC_BITS) & 0xff;
+            r  =       ((y1  * 7) >> FRAC_BITS) & 0xff;
+            g  = (((x1 + y1) * 9) >> FRAC_BITS) & 0xff;
+            b  =  ((x1       * 5) >> FRAC_BITS) & 0xff;
             put_pixel(x, y, r, g, b);
         }
     }
 
     /* then some noise with very high intensity to test saturation */
     seed1 = num;
-    for(y=0;y<NOISE_W;y++) {
-        for(x=0;x<NOISE_W;x++) {
+    for (y = 0; y < NOISE_W; y++) {
+        for (x = 0; x < NOISE_W; x++) {
             r = myrnd(&seed1, 256);
             g = myrnd(&seed1, 256);
             b = myrnd(&seed1, 256);
@@ -242,11 +248,11 @@ static void gen_image(int num, int w, int h)
     }
 
     /* then moving objects */
-    for(i=0;i<NB_OBJS;i++) {
+    for (i = 0; i < NB_OBJS; i++) {
         VObj *p = &objs[i];
         seed1 = i;
-        for(y=0;y<p->h;y++) {
-            for(x=0;x<p->w;x++) {
+        for (y = 0; y < p->h; y++) {
+            for (x = 0; x < p->w; x++) {
                 r = p->r;
                 g = p->g;
                 b = p->b;
@@ -277,11 +283,11 @@ int main(int argc, char **argv)
     h = DEFAULT_HEIGHT;
 
     rgb_tab = malloc(w * h * 3);
-    wrap = w * 3;
-    width = w;
-    height = h;
+    wrap    = w * 3;
+    width   = w;
+    height  = h;
 
-    for(i=0;i<DEFAULT_NB_PICT;i++) {
+    for (i = 0; i < DEFAULT_NB_PICT; i++) {
         snprintf(buf, sizeof(buf), "%s%02d.pgm", argv[1], i);
         gen_image(i, w, h);
         pgmyuv_save(buf, w, h, rgb_tab);
-- 
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