- audio->set_frames (this_time);
- Audio (audio, double(_done) / _audio_stream->sample_rate());
- _done += this_time;
-
- return (_done == _frames);
-}
-
-SndfileDecoder::~SndfileDecoder ()
-{
- for (size_t i = 0; i < _sndfiles.size(); ++i) {
- if (_sndfiles[i]) {
- sf_close (_sndfiles[i]);
+ int const channels = _sndfile_content->audio_channels ();
+
+ shared_ptr<AudioBuffers> data (new AudioBuffers (channels, this_time));
+
+ if (_sndfile_content->audio_channels() == 1) {
+ /* No de-interleaving required */
+ sf_read_float (_sndfile, data->data(0), this_time);
+ } else {
+ /* Deinterleave */
+ if (!_deinterleave_buffer) {
+ _deinterleave_buffer = new float[block * channels];
+ }
+ sf_readf_float (_sndfile, _deinterleave_buffer, this_time);
+ vector<float*> out_ptr (channels);
+ for (int i = 0; i < channels; ++i) {
+ out_ptr[i] = data->data(i);
+ }
+ float* in_ptr = _deinterleave_buffer;
+ for (int i = 0; i < this_time; ++i) {
+ for (int j = 0; j < channels; ++j) {
+ *out_ptr[j]++ = *in_ptr++;
+ }