@@ -34,7 +34,7 @@ AVFilterGraph *avfilter_graph_alloc(void)

 void avfilter_graph_free(AVFilterGraph *graph)

 {

-    for(; graph->filter_count > 0; graph->filter_count --)

+    for (; graph->filter_count > 0; graph->filter_count --)

         avfilter_free(graph->filters[graph->filter_count - 1]);

     av_freep(&graph->scale_sws_opts);

     av_freep(&graph->filters);

@@ -79,7 +79,7 @@ int ff_avfilter_graph_check_validity(AVFilterGraph *graph, AVClass *log_ctx)

     AVFilterContext *filt;

     int i, j;

-    for (i=0; i < graph->filter_count; i++) {

+    for (i = 0; i < graph->filter_count; i++) {

         filt = graph->filters[i];

         for (j = 0; j < filt->input_count; j++) {

@@ -125,8 +125,8 @@ AVFilterContext *avfilter_graph_get_filter(AVFilterGraph *graph, char *name)

 {

     int i;

-    for(i = 0; i < graph->filter_count; i ++)

-        if(graph->filters[i]->name && !strcmp(name, graph->filters[i]->name))

+    for (i = 0; i < graph->filter_count; i++)

+        if (graph->filters[i]->name && !strcmp(name, graph->filters[i]->name))

             return graph->filters[i];

     return NULL;

@@ -139,22 +139,22 @@ static int query_formats(AVFilterGraph *graph, AVClass *log_ctx)

     char inst_name[30];

     /* ask all the sub-filters for their supported media formats */

-    for(i = 0; i < graph->filter_count; i ++) {

-        if(graph->filters[i]->filter->query_formats)

+    for (i = 0; i < graph->filter_count; i++) {

+        if (graph->filters[i]->filter->query_formats)

             graph->filters[i]->filter->query_formats(graph->filters[i]);

         else

             avfilter_default_query_formats(graph->filters[i]);

     }

     /* go through and merge as many format lists as possible */

-    for(i = 0; i < graph->filter_count; i ++) {

+    for (i = 0; i < graph->filter_count; i++) {

         AVFilterContext *filter = graph->filters[i];

-        for(j = 0; j < filter->input_count; j ++) {

+        for (j = 0; j < filter->input_count; j++) {

             AVFilterLink *link = filter->inputs[j];

-            if(link && link->in_formats != link->out_formats) {

-                if(!avfilter_merge_formats(link->in_formats,

-                                           link->out_formats)) {

+            if (link && link->in_formats != link->out_formats) {

+                if (!avfilter_merge_formats(link->in_formats,

+                                            link->out_formats)) {

                     AVFilterContext *scale;

                     char scale_args[256];

                     /* couldn't merge format lists. auto-insert scale filter */

@@ -187,7 +187,7 @@ static int query_formats(AVFilterGraph *graph, AVClass *log_ctx)

 static void pick_format(AVFilterLink *link)

 {

-    if(!link || !link->in_formats)

+    if (!link || !link->in_formats)

         return;

     link->in_formats->format_count = 1;

@@ -201,12 +201,12 @@ static void pick_formats(AVFilterGraph *graph)

 {

     int i, j;

-    for(i = 0; i < graph->filter_count; i ++) {

+    for (i = 0; i < graph->filter_count; i++) {

         AVFilterContext *filter = graph->filters[i];

-        for(j = 0; j < filter->input_count; j ++)

+        for (j = 0; j < filter->input_count; j++)

             pick_format(filter->inputs[j]);

-        for(j = 0; j < filter->output_count; j ++)

+        for (j = 0; j < filter->output_count; j++)

             pick_format(filter->outputs[j]);

     }

 }

@@ -214,7 +214,7 @@ static void pick_formats(AVFilterGraph *graph)

 int ff_avfilter_graph_config_formats(AVFilterGraph *graph, AVClass *log_ctx)

 {

     /* find supported formats from sub-filters, and merge along links */

-    if(query_formats(graph, log_ctx))

+    if (query_formats(graph, log_ctx))

         return -1;

     /* Once everything is merged, it's possible that we'll still have