+ Frame out_frame = _next_out.get ();
+
+ /* Expected next output frame */
+ _next_out = _next_out.get() + resampled->frames();
+
+ return make_pair (resampled, out_frame);
+}
+
+shared_ptr<const AudioBuffers>
+Resampler::flush ()
+{
+ shared_ptr<AudioBuffers> out (new AudioBuffers (_channels, 0));
+ int out_offset = 0;
+ int64_t const output_size = 65536;
+
+ float dummy[1];
+ float* buffer = new float[output_size];
+
+ SRC_DATA data;
+ data.data_in = dummy;
+ data.input_frames = 0;
+ data.data_out = buffer;
+ data.output_frames = output_size;
+ data.end_of_input = 1;
+ data.src_ratio = double (_out_rate) / _in_rate;
+
+ int const r = src_process (_src, &data);
+ if (r) {
+ delete[] buffer;
+ throw EncodeError (String::compose (N_("could not run sample-rate converter (%1)"), src_strerror (r)));
+ }
+
+ out->ensure_size (out_offset + data.output_frames_gen);
+
+ float* p = data.data_out;
+ float** q = out->data ();
+ for (int i = 0; i < data.output_frames_gen; ++i) {
+ for (int j = 0; j < _channels; ++j) {
+ q[j][out_offset + i] = *p++;
+ }
+ }
+
+ out_offset += data.output_frames_gen;
+ out->set_frames (out_offset);
+
+ delete[] buffer;