@@ -55,6 +55,7 @@ static av_cold int init(AVFilterContext *ctx, const char *args, void *opaque)

     if (aspect->aspect.den == 0)

         aspect->aspect = (AVRational) {0, 1};

+    av_log(ctx, AV_LOG_INFO, "a:%d/%d\n", aspect->aspect.num, aspect->aspect.den);

     return 0;

 }

@@ -71,11 +72,14 @@ static void start_frame(AVFilterLink *link, AVFilterBufferRef *picref)

 static int setdar_config_props(AVFilterLink *inlink)

 {

     AspectContext *aspect = inlink->dst->priv;

+    AVRational dar = aspect->aspect;

     av_reduce(&aspect->aspect.num, &aspect->aspect.den,

                aspect->aspect.num * inlink->h,

                aspect->aspect.den * inlink->w, 100);

+    av_log(inlink->dst, AV_LOG_INFO, "w:%d h:%d -> dar:%d/%d par:%d/%d\n",

+           inlink->h, inlink->w, dar.num, dar.den, aspect->aspect.num, aspect->aspect.den);

     return 0;

 }