Method resampleWaveformData

src/OptionHandler.cpp:558–594

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bool OptionHandler::resampleWaveformData(
    const boost::filesystem::path& input_filename,
    FileFormat::FileFormat input_format,
    const boost::filesystem::path& output_filename,
    FileFormat::FileFormat output_format,
    const Options& options)
{
    WaveformBuffer input_buffer;

    if (!loadWaveformData(input_buffer, input_filename, input_format)) {
        return false;
    }

    std::unique_ptr<ScaleFactor> scale_factor = createScaleFactor(options);

    int output_samples_per_pixel = scale_factor->getSamplesPerPixel(
        input_buffer.getSampleRate()
    );

    WaveformBuffer output_buffer;
    WaveformRescaler rescaler;

    rescaler.rescale(
        input_buffer,
        output_buffer,
        output_samples_per_pixel
    );

    const int bits = options.hasBits() ? options.getBits() : input_buffer.getBits();

    if (output_format == FileFormat::Dat) {
        return output_buffer.save(output_filename.string().c_str(), bits);
    }
    else {
        return output_buffer.saveAsJson(output_filename.string().c_str(), bits);
    }
}

//------------------------------------------------------------------------------