@@ -89,7 +89,7 @@ static int request_frame(AVFilterLink *outlink)

     ret = ff_request_frame(ctx->inputs[0]);

-    if (ret == AVERROR_EOF) {

+    if (ret == AVERROR_EOF && !ctx->is_disabled) {

         int n_out = apad->packet_size;

         AVFrame *outsamplesref;

@@ -131,6 +131,7 @@ static const AVFilterPad apad_inputs[] = {

         .name         = "default",

         .type         = AVMEDIA_TYPE_AUDIO,

         .filter_frame = filter_frame,

+        .passthrough_filter_frame = filter_frame,

     },

     { NULL },

 };

@@ -152,4 +153,5 @@ AVFilter avfilter_af_apad = {

     .inputs        = apad_inputs,

     .outputs       = apad_outputs,

     .priv_class    = &apad_class,

+    .flags         = AVFILTER_FLAG_SUPPORT_TIMELINE,

 };