- int ret = 0;
-
- ret = ff_request_frame(ctx->inputs[0]);
-
- if (ret == AVERROR_EOF && !s->flushed) {
- if (rubberband_available(s->rbs) > 0) {
- AVFrame *out = ff_get_audio_buffer(inlink, 1);
- int nb_samples;
-
- if (!out)
- return AVERROR(ENOMEM);
-
- rubberband_process(s->rbs, (const float *const *)out->data, 1, 1);
- av_frame_free(&out);
- nb_samples = rubberband_available(s->rbs);
-
- if (nb_samples > 0) {
- out = ff_get_audio_buffer(outlink, nb_samples);
- if (!out)
- return AVERROR(ENOMEM);
- out->pts = av_rescale_q(s->nb_samples_out,
- (AVRational){ 1, outlink->sample_rate },
- outlink->time_base);
- nb_samples = rubberband_retrieve(s->rbs, (float *const *)out->data, nb_samples);
- out->nb_samples = nb_samples;
- ret = ff_filter_frame(outlink, out);
- s->nb_samples_out += nb_samples;
- }
- }
- s->flushed = 1;
- av_log(ctx, AV_LOG_DEBUG, "nb_samples_in %"PRId64" nb_samples_out %"PRId64"\n",
- s->nb_samples_in, s->nb_samples_out);
+ AVFilterLink *outlink = ctx->outputs[0];
+ RubberBandContext *s = ctx->priv;
+ AVFrame *in = NULL;
+ int ret;
+
+ FF_FILTER_FORWARD_STATUS_BACK(outlink, inlink);
+
+ ret = ff_inlink_consume_samples(inlink, s->nb_samples, s->nb_samples, &in);
+ if (ret < 0)
+ return ret;
+ if (ret > 0) {
+ ret = filter_frame(inlink, in);
+ if (ret != 0)
+ return ret;