deinterleave_data()

std::vector< std::vector< double > > MayaFlux::IO::SoundFileReader::deinterleave_data ( const std::vector< double > &  interleaved, uint32_t  channels  )

private

Convert interleaved audio data to deinterleaved (planar) format.

Parameters

interleaved	Input interleaved data.
channels	Number of channels.

Returns

Deinterleaved data as std::vector<double>.

Definition at line 940 of file SoundFileReader.cpp.

{
    if (channels == 1) {
        return { interleaved };
    }
 
    std::vector<std::vector<double>> deinterleaved(channels);
 
    size_t samples_per_channel = interleaved.size() / channels;
 
    for (uint32_t ch = 0; ch < channels; ch++) {
        deinterleaved[ch].reserve(samples_per_channel);
        for (size_t i = 0; i < samples_per_channel; i++) {
            deinterleaved[ch].push_back(interleaved[i * channels + ch]);
        }
    }
 
    return deinterleaved;
}