58 lines
1.3 KiB
Dart
58 lines
1.3 KiB
Dart
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import "dart:async";
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import "dart:io";
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import "package:ffmpeg_kit_flutter_full_gpl/ffmpeg_kit.dart";
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import "package:ffmpeg_kit_flutter_full_gpl/ffmpeg_session.dart";
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import "package:ffmpeg_kit_flutter_full_gpl/return_code.dart";
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import "package:flutter/foundation.dart";
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/// Class used to convert any audio file to wav
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class WhisperAudioconvert {
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const WhisperAudioconvert({
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required this.audioInput,
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required this.audioOutput,
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});
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/// Input audio file
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final File audioInput;
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/// Output audio file
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final File audioOutput;
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/// convert [audioInput] to wav file
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Future<File?> convert() async {
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final FFmpegSession session = await FFmpegKit.execute(
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[
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"-y",
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"-i",
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audioInput.path,
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"-ar",
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"16000",
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"-ac",
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"1",
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"-c:a",
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"pcm_s16le",
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audioOutput.path,
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].join(" "),
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);
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final ReturnCode? returnCode = await session.getReturnCode();
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if (ReturnCode.isSuccess(returnCode)) {
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return audioOutput;
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} else if (ReturnCode.isCancel(returnCode)) {
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if (kDebugMode) {
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debugPrint("[Whisper]File convertion canceled");
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}
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} else {
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if (kDebugMode) {
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debugPrint(
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"[Whisper]File convertion error with returnCode ${returnCode?.getValue()}",
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);
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}
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}
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return null;
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}
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}
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