EngineX-Iluvatar/enginex-mr_series-sherpa-onnx
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Add non-streaming ASR examples for Dart API (#1007)

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This commit is contained in:
Fangjun Kuang
2024-06-14 18:40:16 +08:00
committed by GitHub
parent b1f08c0a20
commit d94506698d
35 changed files with 984 additions and 37 deletions
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29
dart-api-examples/vad/bin/init.dart Normal file
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@@ -0,0 +1,29 @@
import 'dart:io';
import 'dart:isolate';
import 'package:path/path.dart' as p;
import 'package:sherpa_onnx/sherpa_onnx.dart' as sherpa_onnx;
Future<void> initSherpaOnnx() async {
var uri = await Isolate.resolvePackageUri(
Uri.parse('package:sherpa_onnx/sherpa_onnx.dart'));
if (uri == null) {
print('File not found');
exit(1);
}
String platform = '';
if (Platform.isMacOS) {
platform = 'macos';
} else if (Platform.isLinux) {
platform = 'linux';
} else if (Platform.isWindows) {
platform = 'windows';
} else {
throw UnsupportedError('Unknown platform: ${Platform.operatingSystem}');
}
final libPath = p.join(p.dirname(p.fromUri(uri)), '..', platform);
sherpa_onnx.initBindings(libPath);
}

31
dart-api-examples/vad/bin/vad.dart
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@@ -1,33 +1,9 @@
import 'dart:io';
import 'dart:isolate';
import 'dart:typed_data';
import 'package:args/args.dart';
import 'package:path/path.dart' as p;
import 'package:sherpa_onnx/sherpa_onnx.dart' as sherpa_onnx;
Future<void> initSherpaOnnx() async {
var uri = await Isolate.resolvePackageUri(
Uri.parse('package:sherpa_onnx/sherpa_onnx.dart'));
if (uri == null) {
print('File not found');
exit(1);
}
String platform = '';
if (Platform.isMacOS) {
platform = 'macos';
} else if (Platform.isLinux) {
platform = 'linux';
} else if (Platform.isWindows) {
platform = 'windows';
} else {
throw UnsupportedError('Unknown platform: ${Platform.operatingSystem}');
}
final libPath = p.join(p.dirname(p.fromUri(uri)), '..', platform);
sherpa_onnx.initBindings(libPath);
}
import './init.dart';
void main(List<String> arguments) async {
await initSherpaOnnx();
@@ -36,6 +12,7 @@ void main(List<String> arguments) async {
..addOption('silero-vad', help: 'Path to silero_vad.onnx')
..addOption('input-wav', help: 'Path to input.wav')
..addOption('output-wav', help: 'Path to output.wav');
final res = parser.parse(arguments);
if (res['silero-vad'] == null ||
res['input-wav'] == null ||
@@ -53,6 +30,7 @@ void main(List<String> arguments) async {
minSilenceDuration: 0.25,
minSpeechDuration: 0.5,
);
final config = sherpa_onnx.VadModelConfig(
sileroVad: sileroVadConfig,
numThreads: 1,
@@ -86,8 +64,11 @@ void main(List<String> arguments) async {
}
}
vad.free();
final s = Float32List.fromList(allSamples.expand((x) => x).toList());
sherpa_onnx.writeWave(
filename: outputWav, samples: s, sampleRate: waveData.sampleRate);
print('Saved to ${outputWav}');
}