+ AVFrame *outsamplesref;
+ int n_out = 4096;
+ int64_t pts;
+
+ outsamplesref = ff_get_audio_buffer(outlink, n_out);
+ *outsamplesref_ret = outsamplesref;
+ if (!outsamplesref)
+ return AVERROR(ENOMEM);
+
+ pts = swr_next_pts(aresample->swr, INT64_MIN);
+ pts = ROUNDED_DIV(pts, inlink->sample_rate);
+
+ n_out = swr_convert(aresample->swr, outsamplesref->extended_data, n_out, final ? NULL : (void*)outsamplesref->extended_data, 0);
+ if (n_out <= 0) {
+ av_frame_free(&outsamplesref);
+ return (n_out == 0) ? AVERROR_EOF : n_out;
+ }
+
+ outsamplesref->sample_rate = outlink->sample_rate;
+ outsamplesref->nb_samples = n_out;
+
+ outsamplesref->pts = pts;
+
+ return 0;
+}
+
+static int request_frame(AVFilterLink *outlink)
+{
+ AVFilterContext *ctx = outlink->src;
+ AResampleContext *aresample = ctx->priv;