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feat(audio): use VHQ settings for SoXR resampling

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zarzet
2026-07-25 15:58:42 +07:00
parent 19787ed461
commit 1cfda41ef2
3 changed files with 29 additions and 1 deletions
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lib/utils/audio_conversion_utils.dart
+16
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@@ -27,6 +27,9 @@ const List<String> losslessDitherOptions = [
const List<String> losslessResamplerOptions = ['swr', 'soxr'];
const int soxrVhqPrecisionBits = 28;
const double soxrPassbandEndRatio = 0.95;
class LosslessConversionProcessing {
final String dither;
final String resampler;
@@ -49,6 +52,19 @@ class LosslessConversionProcessing {
bool get hasDither => normalizedDither != 'none';
}
List<String> losslessResamplerFilterOptions(
LosslessConversionProcessing processing,
) {
final resampler = processing.normalizedResampler;
return [
'resampler=$resampler',
if (resampler == 'soxr') ...[
'precision=$soxrVhqPrecisionBits',
'cutoff=$soxrPassbandEndRatio',
],
];
}
List<int> availableLosslessBitDepthOptions(int? sourceBitDepth) {
if (sourceBitDepth == null || sourceBitDepth <= 0) {
return losslessConversionBitDepthOptions;