avfilter: no need to request more samples if internal frame is available

libavfilter/af_amultiply.c

@@ -110,7 +110,7 @@ static int activate(AVFilterContext *ctx)
 
     if (ff_outlink_frame_wanted(ctx->outputs[0])) {
         for (i = 0; i < 2; i++) {
-            if (ff_inlink_queued_samples(ctx->inputs[i]) > 0)
+            if (s->frames[i] || ff_inlink_queued_samples(ctx->inputs[i]) > 0)
                 continue;
             ff_inlink_request_frame(ctx->inputs[i]);
             return 0;

libavfilter/af_anlms.c

@@ -162,7 +162,7 @@ static int activate(AVFilterContext *ctx)
 
     if (ff_outlink_frame_wanted(ctx->outputs[0])) {
         for (i = 0; i < 2; i++) {
-            if (ff_inlink_queued_samples(ctx->inputs[i]) > 0)
+            if (s->frame[i] || ff_inlink_queued_samples(ctx->inputs[i]) > 0)
                 continue;
             ff_inlink_request_frame(ctx->inputs[i]);
             return 0;

libavfilter/af_arls.c

@@ -159,7 +159,7 @@ static int activate(AVFilterContext *ctx)
 
     if (ff_outlink_frame_wanted(ctx->outputs[0])) {
         for (i = 0; i < 2; i++) {
-            if (ff_inlink_queued_samples(ctx->inputs[i]) > 0)
+            if (s->frame[i] || ff_inlink_queued_samples(ctx->inputs[i]) > 0)
                 continue;
             ff_inlink_request_frame(ctx->inputs[i]);
             return 0;

libavfilter/af_asdr.c

@@ -186,11 +186,11 @@ static int activate(AVFilterContext *ctx)
 
     if (ff_outlink_frame_wanted(outlink)) {
         for (int i = 0; i < 2; i++) {
-            if (ff_inlink_queued_samples(ctx->inputs[i]) > 0)
+            if (s->cache[i] || ff_inlink_queued_samples(ctx->inputs[i]) > 0)
                 continue;
             ff_inlink_request_frame(ctx->inputs[i]);
+            return 0;
         }
-        return 0;
     }
 
     return FFERROR_NOT_READY;