@@ -126,7 +126,6 @@ AVFilterBufferRef *avfilter_default_get_audio_buffer(AVFilterLink *link, int per

     return ref;

 fail:

-    av_free(buf);

     if (ref && ref->audio)

         av_free(ref->audio);

     av_free(ref);

@@ -210,6 +209,7 @@ int avfilter_default_config_output_link(AVFilterLink *link)

         if (link->type == AVMEDIA_TYPE_VIDEO) {

             link->w = link->src->inputs[0]->w;

             link->h = link->src->inputs[0]->h;

+            link->sample_aspect_ratio = link->src->inputs[0]->sample_aspect_ratio;

             link->time_base = link->src->inputs[0]->time_base;

         } else if (link->type == AVMEDIA_TYPE_AUDIO) {

             link->channel_layout = link->src->inputs[0]->channel_layout;