record amr_nb expection

[maghzchenyu]

example

await recorderController.record( androidEncoder: AndroidEncoder.amr_nb, androidOutputFormat: AndroidOutputFormat.amr_nb, path: filePath, sampleRate: DMConstants.audioSampleRate, bitRate: DMConstants.audioBitRate);

Log:

start failed: -22 2024-12-26 16:05:10.437 10011-10011 MethodChan...in/methods com.duomessenger.android E Failed to handle method call java.lang.RuntimeException: start failed. at android.media.MediaRecorder.start(Native Method) at com.simform.audio_waveforms.AudioRecorder.startRecorder(AudioRecorder.kt:111) at com.simform.audio_waveforms.AudioWaveformsPlugin.onMethodCall(AudioWaveformsPlugin.kt:62) at io.flutter.plugin.common.MethodChannel$IncomingMethodCallHandler.onMessage(MethodChannel.java:267) at io.flutter.embedding.engine.dart.DartMessenger.invokeHandler(DartMessenger.java:292) at io.flutter.embedding.engine.dart.DartMessenger.lambda$dispatchMessageToQueue$0$io-flutter-embedding-engine-dart-DartMessenger(DartMessenger.java:319) at io.flutter.embedding.engine.dart.DartMessenger$$ExternalSyntheticLambda0.run(Unknown Source:12) at android.os.Handler.handleCallback(Handler.java:958) at android.os.Handler.dispatchMessage(Handler.java:99) at android.os.Looper.loopOnce(Looper.java:222) at android.os.Looper.loop(Looper.java:314) at android.app.ActivityThread.main(ActivityThread.java:8790) at java.lang.reflect.Method.invoke(Native Method) at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:561) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1013) 2024-12-26 16:05:10.441 10011-11381 flutter com.duomessenger.android E [ERROR:flutter/runtime/dart_vm_initializer.cc(41)] Unhandled Exception: PlatformException(error, start failed., null, java.lang.RuntimeException: start failed. at android.media.MediaRecorder.start(Native Method) at com.simform.audio_waveforms.AudioRecorder.startRecorder(AudioRecorder.kt:111) at com.simform.audio_waveforms.AudioWaveformsPlugin.onMethodCall(AudioWaveformsPlugin.kt:62) at io.flutter.plugin.common.MethodChannel$IncomingMethodCallHandler.onMessage(MethodChannel.java:267) at io.flutter.embedding.engine.dart.DartMessenger.invokeHandler(DartMessenger.java:292) at io.flutter.embedding.engine.dart.DartMessenger.lambda$dispatchMessageToQueue$0$io-flutter-embedding-engine-dart-DartMessenger(DartMessenger.java:319) at io.flutter.embedding.engine.dart.DartMessenger$$ExternalSyntheticLambda0.run(Unknown Source:12) at android.os.Handler.handleCallback(Handler.java:958) at android.os.Handler.dispatchMessage(Handler.java:99) at android.os.Looper.loopOnce(Looper.java:222) at android.os.Looper.loop(Looper.java:314) at android.app.ActivityThread.main(ActivityThread.java:8790) at java.lang.reflect.Method.invoke(Native Method) at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:561) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1013) ) #0 StandardMethodCodec.decodeEnvelope (package:flutter/src/services/message_codecs.dart:648:7) #1 MethodChannel._invokeMethod (package:flutter/src/services/platform_channel.dart:334:18) #2 AudioWaveformsInterface.record (package:audio_waveforms/src/base/audio_waveforms_interface.dart:20:25) #3 RecorderController.record (package:audio_waveforms/src/controllers/recorder_controller.dart:220:26) #4 DmImLogic.showRecordWave (package:flutter_duomessenger/page/dm_im/dm_im_logic.dart:180:5)

[ujas-m-simformsolutions]

@maghzchenyu It is not clear from shared code which values you're using to record audio so to record in amr_nb can you please make you have initialized the instance using below values

• sample rate: 8K
• bitrate: 12.k
• path: the path should have .amr extension