Function flac_encoder_setup

src/encoder/plugins/FlacEncoderPlugin.cxx:111–150

}

static void
flac_encoder_setup(FLAC__StreamEncoder *fse, unsigned compression, bool oggflac,
		   const AudioFormat &audio_format)
{
	unsigned bits_per_sample;

	switch (audio_format.format) {
	case SampleFormat::S8:
		bits_per_sample = 8;
		break;

	case SampleFormat::S16:
		bits_per_sample = 16;
		break;

	default:
		bits_per_sample = 24;
	}

	if (!FLAC__stream_encoder_set_compression_level(fse, compression))
		throw FmtRuntimeError("error setting flac compression to {}",
				      compression);

	if (!FLAC__stream_encoder_set_channels(fse, audio_format.channels))
		throw FmtRuntimeError("error setting flac channels num to {}",
				      audio_format.channels);

	if (!FLAC__stream_encoder_set_bits_per_sample(fse, bits_per_sample))
		throw FmtRuntimeError("error setting flac bit format to {}",
				      bits_per_sample);

	if (!FLAC__stream_encoder_set_sample_rate(fse,
						  audio_format.sample_rate))
		throw FmtRuntimeError("error setting flac sample rate to {}",
				      audio_format.sample_rate);

	if (oggflac && !FLAC__stream_encoder_set_ogg_serial_number(fse,
						  GenerateSerial()))
		throw std::runtime_error{"error setting ogg serial number"};
}

FlacEncoder::FlacEncoder(AudioFormat _audio_format, FLAC__StreamEncoder *_fse, unsigned _compression, bool _oggflac, bool _oggchaining)
	:Encoder(_oggchaining),