It may be that the HAL audio implementation doesn't support it, or doesn't
report to AudioFlinger that it supports it. I'd check there.
On Tuesday, August 21, 2012 11:15:24 AM UTC-7, Rafael Coutinho wrote:
>
> I got Alsa_arecord running, it works. I mean it records in stereo, however
> Android still doens't. Where should i change/ investigate?
>
> On Friday, August 17, 2012 4:48:11 PM UTC-3, Rafael Coutinho wrote:
>>
>>
>>
>> I try to record audio in stereo and it always fails, when I get the
>> minbuffersize i get the error:
>>
>> I/ActivityManager( 2147): Start proc com.example.recorder for
>> activity com.example.recorder/.MainActivity: pid=3478 uid=10035 gids={1015}
>> E/AudioRecord-Java( 3478): [ android.media.AudioRecord ]
>> getMinBufferSize(): Invalid audio format.
>> I/System.out( 3478): Buffer size -2
>> I/SurfaceFlinger( 2147): mHw->getFormat() 4
>>
>> and if I force a min buffer size it throws:
>>
>> W/dalvikvm( 3553): threadid=1: thread exiting with uncaught exception
>> (group=0x2aac0560)
>> E/AndroidRuntime( 3553): FATAL EXCEPTION: main
>> E/AndroidRuntime( 3553): java.lang.IllegalStateException: Could not
>> execute method of the activity
>> E/AndroidRuntime( 3553): at
>> android.view.View$1.onClick(View.java:2288)
>> E/AndroidRuntime( 3553): at
>> android.view.View.performClick(View.java:2629)
>> E/AndroidRuntime( 3553): at
>> android.view.View$PerformClick.run(View.java:9374)
>> E/AndroidRuntime( 3553): at
>> android.os.Handler.handleCallback(Handler.java:587)
>> E/AndroidRuntime( 3553): at
>> android.os.Handler.dispatchMessage(Handler.java:92)
>> E/AndroidRuntime( 3553): at
>> android.os.Looper.loop(Looper.java:123)
>> E/AndroidRuntime( 3553): at
>> android.app.ActivityThread.main(ActivityThread.java:3683)
>> E/AndroidRuntime( 3553): at
>> java.lang.reflect.Method.invokeNative(Native Method)
>> E/AndroidRuntime( 3553): at
>> java.lang.reflect.Method.invoke(Method.java:507)
>> E/AndroidRuntime( 3553): at
>> com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:839)
>> E/AndroidRuntime( 3553): at
>> com.android.internal.os.ZygoteInit.main(ZygoteInit.java:597)
>> E/AndroidRuntime( 3553): at dalvik.system.NativeStart.main(Native
>> Method)
>> E/AndroidRuntime( 3553): Caused by:
>> java.lang.reflect.InvocationTargetException
>> E/AndroidRuntime( 3553): at
>> java.lang.reflect.Method.invokeNative(Native Method)
>> E/AndroidRuntime( 3553): at
>> java.lang.reflect.Method.invoke(Method.java:507)
>> E/AndroidRuntime( 3553): at
>> android.view.View$1.onClick(View.java:2283)
>> E/AndroidRuntime( 3553): ... 11 more
>> E/AndroidRuntime( 3553): Caused by:
>> java.lang.IllegalArgumentException: Invalid audio buffer size.
>> E/AndroidRuntime( 3553): at
>> android.media.AudioRecord.audioBuffSizeCheck(AudioRecord.java:324)
>> E/AndroidRuntime( 3553): at
>> android.media.AudioRecord.<init>(AudioRecord.java:225)
>> E/AndroidRuntime( 3553): at
>> com.example.recorder.MainActivity.startRecording(MainActivity.java:207)
>> E/AndroidRuntime( 3553): at
>> com.example.recorder.MainActivity.startRecording(MainActivity.java:163)
>> E/AndroidRuntime( 3553): ... 14 more
>> W/ActivityManager( 2147): Force finishing activity
>> com.example.recorder/.MainActivity
>> W/ActivityManager( 2147): Activity pause timeout for
>> HistoryRecord{2b0c6578 com.example.recorder/.MainActivity}
>>
>> It's odd cuz alsamixer for SGTL5000 gives me the option of capture
>> left/right volume levels:
>>
>> Simple mixer control 'Capture',0
>> Capabilities: cvolume penum
>> Capture channels: Front Left - Front Right
>> Limits: Capture 0 - 15
>> Front Left: Capture 15 [100%]
>> Front Right: Capture 15 [100%]
>>
>> However I cannot test it cuz i don't have alsa_arecord (that's another
>> problem i'm having).
>>
>>
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