@@ -328,7 +328,7 @@ static void xbr2x(AVFrame * input, AVFrame * output, const uint32_t * r2y)

           }\

      }\

-static void xbr3x(AVFrame * input, AVFrame * output, const uint32_t * r2y)

+static void xbr3x(AVFrame *input, AVFrame *output, const uint32_t *r2y)

 {

     const int nl = output->linesize[0]>>2;

     const int nl1 = nl + nl;

@@ -521,7 +521,7 @@ static void xbr3x(AVFrame * input, AVFrame * output, const uint32_t * r2y)

           }\

      }\

-static void xbr4x(AVFrame * input, AVFrame * output, const uint32_t * r2y)

+static void xbr4x(AVFrame *input, AVFrame *output, const uint32_t *r2y)

 {

     const int nl = output->linesize[0]>>2;

@@ -535,9 +535,9 @@ static void xbr4x(AVFrame * input, AVFrame * output, const uint32_t * r2y)

     uint32_t pprev;

     uint32_t pprev2;

-    int x,y;

+    int x, y;

-    for (y = 0; y < input->height; y++){

+    for (y = 0; y < input->height; y++) {

         uint32_t * E = (uint32_t *)(output->data[0] + y * output->linesize[0] * 4);

@@ -552,23 +552,23 @@ static void xbr4x(AVFrame * input, AVFrame * output, const uint32_t * r2y)

         /* down two */

         uint32_t * sa4 = sa3 + (input->linesize[0]>>2);

-        if (y <= 1){

+        if (y <= 1) {

             sa0 = sa1;

-            if (y == 0){

+            if (y == 0) {

                 sa0 = sa1 = sa2;

             }

         }

-        if (y >= input->height - 2){

+        if (y >= input->height - 2) {

             sa4 = sa3;

-            if (y == input->height - 1){

+            if (y == input->height - 1) {

                 sa4 = sa3 = sa2;

             }

         }

         pprev = pprev2 = 2;

-        for (x = 0; x < input->width; x++){

+        for (x = 0; x < input->width; x++) {

             uint32_t B1 = sa0[2];

             uint32_t PB = sa1[2];

             uint32_t PE = sa2[2];

@@ -595,8 +595,8 @@ static void xbr4x(AVFrame * input, AVFrame * output, const uint32_t * r2y)

             uint32_t F4 = 0;

             uint32_t I4 = 0;

-            if (x >= input->width - 2){

-                if (x == input->width - 1){

+            if (x >= input->width - 2) {

+                if (x == input->width - 1) {

                     C1 = sa0[2];

                     PC = sa1[2];

                     PF = sa2[2];

@@ -691,12 +691,12 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *in)

     }

     av_frame_copy_props(out, in);

-    if(xbr->n == 4)

-        xbr4x(in,out,r2y);

-    else if(xbr->n == 3)

-        xbr3x(in,out,r2y);

+    if (xbr->n == 4)

+        xbr4x(in, out, r2y);

+    else if (xbr->n == 3)

+        xbr3x(in, out, r2y);

     else

-        xbr2x(in,out,r2y);

+        xbr2x(in, out, r2y);

     out->width  = outlink->w;

     out->height = outlink->h;

@@ -711,8 +711,8 @@ static int init(AVFilterContext *ctx)

     uint32_t c;

     int bg, rg, g;

-    for (bg=-255; bg<256; bg++) {

-        for (rg=-255; rg<256; rg++) {

+    for (bg = -255; bg < 256; bg++) {

+        for (rg = -255; rg < 256; rg++) {

             const uint32_t u = (uint32_t)((-169*rg + 500*bg)/1000) + 128;

             const uint32_t v = (uint32_t)(( 500*rg -  81*bg)/1000) + 128;

             int startg = FFMAX3(-bg, -rg, 0);