bool OptionHandler::convertWaveformData(
const boost::filesystem::path& input_filename,
const boost::filesystem::path& output_filename,
const Options& options)
{
WaveformBuffer buffer;
if (!buffer.load(input_filename.c_str())) {
return false;
}
const int bits = options.hasBits() ? options.getBits() : buffer.getBits();
bool success = true;
const boost::filesystem::path output_file_ext = output_filename.extension();
if (output_file_ext == ".json") {
success = buffer.saveAsJson(output_filename.c_str(), bits);
}
else if (output_file_ext == ".txt") {
success = buffer.saveAsText(output_filename.c_str(), bits);
}
return success;
}
bool OptionHandler::generateWaveformData(
const boost::filesystem::path& input_filename,
const boost::filesystem::path& output_filename,
const Options& options)
{
const std::unique_ptr<ScaleFactor> scale_factor = createScaleFactor(options);
const boost::filesystem::path output_file_ext = output_filename.extension();
const std::unique_ptr<AudioFileReader> audio_file_reader =
createAudioFileReader(input_filename);
if (audio_file_reader == nullptr) {
error_stream << "Unknown file type: " << input_filename << '\n';
return false;
}
if (!audio_file_reader->open(input_filename.c_str())) {
return false;
}
WaveformBuffer buffer;
WaveformGenerator processor(buffer, *scale_factor);
if (!audio_file_reader->run(processor)) {
return false;
}
assert(output_file_ext == ".dat" || output_file_ext == ".json");
const int bits = options.getBits();
if (output_file_ext == ".dat") {
return buffer.save(output_filename.c_str(), bits);
}
else {
return buffer.saveAsJson(output_filename.c_str(), bits);
}
}
