android audio effects

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posted 1 month ago

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Hi i am trying to implement reverb and audio enhancer but can find little to no documentation on it the code below for both does nothing but i am unsure what i am doing wrong the ontouch listeners work as the print out the integers but no reverb effect is applied and the audio does not increase if anyone could point me in the right direction would appreciate

ReverbController.setOnProgressChangedListener(new DrawspinControllers.onProgressChangedListener() {
            @Override
            public void onProgressChanged(int progress) {
                System.out.println("------REVERB--------------------" + progress);//prints 1to15
                PresetReverb reverb = new PresetReverb(1, 0);

if(progress>2&progress<4){
                    reverb.setPreset(PresetReverb.PRESET_SMALLROOM);
                }else if(progress>=4&progress<6){
                    reverb.setPreset(PresetReverb.PRESET_LARGEROOM);
                } else if(progress>=6&progress<8){
                    reverb.setPreset(PresetReverb.PRESET_MEDIUMHALL);
                }else if(progress>=8&progress<10){
                    reverb.setPreset(PresetReverb.PRESET_LARGEHALL);
                }else if(progress>=10&progress<12){
                    reverb.setPreset(PresetReverb.PRESET_PLATE);
                }else if(progress>=12&progress<15){

}
                reverb.setEnabled(true);
                mediaPlayer.attachAuxEffect(reverb.getId());
                mediaPlayer.setAuxEffectSendLevel(1.0f);
            }
        });

LoudnessEnhancer enhancer = new LoudnessEnhancer(mediaPlayer.getAudioSessionId());

ampController.setOnProgressChangedListener(new DrawspinControllers.onProgressChangedListener() {
            @Override
            public void onProgressChanged(int progress) {
                System.out.println("------AMP--------------------" + progress);//prints 1to15
                if (progress == 1) {
                    enhancer.setTargetGain(10);
                } else if (progress == 2) {
                    enhancer.setTargetGain(20);
                } else if (progress == 3) {
                    enhancer.setTargetGain(30);
                } else if (progress == 4){
                    enhancer.setTargetGain(40);
                }else if(progress==5){
                        enhancer.setTargetGain(50);
                }if (progress == 6) {
                    enhancer.setTargetGain(60);
                } else if (progress == 7) {
                    enhancer.setTargetGain(70);
                } else if (progress == 8) {
                    enhancer.setTargetGain(80);
                } else if (progress == 9){
                    enhancer.setTargetGain(90);
                }else if(progress==10){
                    enhancer.setTargetGain(100);
                }
                //gos to 15 on emulater
               enhancer.setEnabled(true);
            }

});

john bean

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posted 1 month ago

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k the loudness enhancer works i was just using values that are to small now i am using value between 100- 2000 and it works fine still have not gotten reverb to work

john bean

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posted 1 month ago

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in relation to the reverb according to logcat it is working with below code but no reverb is heard and yes my phone does support it

te logcat shows

not sure why it is not working:(

john bean

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posted 1 month ago

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AH HA! the problem is media player is to loud and you cant hear effect

this works

john bean

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posted 4 weeks ago

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not sure what is causing this error it seems when i try chaing the reverb effect it fails

public void onProgressChanged(int progress) {
                System.out.println("------REVERB--------------------" + progress);//prints 1to15
                try {

PresetReverb reverb = new PresetReverb(1, 0);//was 0
                    if(progress<2){
                        mediaPlayer.setVolume(1.0f,1.0f);
                        reverb.setEnabled(false);
                    }
                    if (progress > 2 & progress < 4) {
                        reverb.setEnabled(false);
                        mediaPlayer.attachAuxEffect(reverb.getId());
                        reverb.setPreset(PresetReverb.PRESET_SMALLROOM);
                        reverb.setEnabled(true);
                        mediaPlayer.setAuxEffectSendLevel(1.0f);
                        mediaPlayer.setVolume(0.3f,0.3f);
                    } else if (progress >= 4 & progress < 6) {
                        reverb.setEnabled(false);
                        //PresetReverb reverb = new PresetReverb(1, 0);//was 0
                        mediaPlayer.attachAuxEffect(reverb.getId());
                        reverb.setPreset(PresetReverb.PRESET_LARGEROOM);
                        reverb.setEnabled(true);
                        mediaPlayer.setAuxEffectSendLevel(1.0f);
                        mediaPlayer.setVolume(0.3f,0.3f);
                    } else if (progress >= 6 & progress < 9) {
                        reverb.setEnabled(false);
                        mediaPlayer.attachAuxEffect(reverb.getId());
                        reverb.setPreset(PresetReverb.PRESET_MEDIUMHALL);
                        reverb.setEnabled(true);
                        mediaPlayer.setAuxEffectSendLevel(1.0f);
                        mediaPlayer.setVolume(0.3f,0.3f);
                    } else if (progress >= 9 & progress < 13) {
                        reverb.setEnabled(false);
                        mediaPlayer.attachAuxEffect(reverb.getId());
                        reverb.setPreset(PresetReverb.PRESET_LARGEHALL);
                        reverb.setEnabled(true);
                        mediaPlayer.setAuxEffectSendLevel(1.0f);
                        mediaPlayer.setVolume(0.3f,0.3f);
                    } else if (progress >= 13) {
                        reverb.setEnabled(false);
                        mediaPlayer.attachAuxEffect(reverb.getId());
                        reverb.setPreset(PresetReverb.PRESET_PLATE);
                        reverb.setEnabled(true);
                        mediaPlayer.setAuxEffectSendLevel(1.0f);
                        mediaPlayer.setVolume(0.3f, 0.3f);
                    }
                }catch(Exception re){
                    System.out.println("error aplying reverb");
                    re.printStackTrace();
                }
            }
        });

i get the error

------REVERB--------------------1
21:24:35.902  V  setVolume: left 1.000000  right 1.000000
21:24:35.902  V  MediaPlayer::setVolume(1.000000, 1.000000)
21:24:35.910  I  @set_metadata: update dataspace from GM (0x00000000 -> 0x08010000)
21:24:35.915  I  ------REVERB--------------------1
21:24:35.919  V  setVolume: left 1.000000  right 1.000000
21:24:35.919  V  MediaPlayer::setVolume(1.000000, 1.000000)
21:24:35.923  I  @set_metadata: update dataspace from GM (0x00000000 -> 0x08010000)
21:24:35.931  I  ------REVERB--------------------1
21:24:35.935  V  setVolume: left 1.000000  right 1.000000
21:24:35.935  V  MediaPlayer::setVolume(1.000000, 1.000000)
21:24:35.940  I  @set_metadata: update dataspace from GM (0x00000000 -> 0x08010000)
21:24:35.948  I  ------REVERB--------------------1
21:24:35.951  V  setVolume: left 1.000000  right 1.000000
21:24:35.951  V  MediaPlayer::setVolume(1.000000, 1.000000)
21:24:35.957  I  @set_metadata: update dataspace from GM (0x00000000 -> 0x08010000)
21:24:35.965  I  ------REVERB--------------------1
21:24:35.969  V  setVolume: left 1.000000  right 1.000000
21:24:35.969  V  MediaPlayer::setVolume(1.000000, 1.000000)
21:24:35.976  I  @set_metadata: update dataspace from GM (0x00000000 -> 0x08010000)
21:24:35.982  I  ------REVERB--------------------2
21:24:35.991  I  @set_metadata: update dataspace from GM (0x00000000 -> 0x08010000)
21:24:36.001  I  ------REVERB--------------------3
21:24:36.005  V  attachAuxEffect(): 7275
21:24:36.005  V  MediaPlayer::attachAuxEffect(7275)
21:24:36.007  V  setAuxEffectSendLevel: level 1.000000
21:24:36.007  V  MediaPlayer::setAuxEffectSendLevel(1.000000)
21:24:36.007  V  setVolume: left 0.300000  right 0.300000
21:24:36.007  V  MediaPlayer::setVolume(0.300000, 0.300000)
21:24:36.012  I  @set_metadata: update dataspace from GM (0x00000000 -> 0x08010000)
21:24:36.018  I  ------REVERB--------------------3
21:24:36.019  E  set(): AudioFlinger could not create effect 47382d60-ddd8-11db-bf3a-0002a5d5c51b / ec7178ec-e5e1-4432-a3f4-4657e6795210, status: -38
21:24:36.019  E  AudioEffect initCheck failed -3
21:24:36.020  E  Error code -3 when initializing AudioEffect.
21:24:36.022  I  error aplying reverb
21:24:36.022  W  java.lang.RuntimeException: Cannot initialize effect engine for type: 47382d60-ddd8-11db-bf3a-0002a5d5c51b Error: -3
21:24:36.025  W  	at android.media.audiofx.AudioEffect.<init>(AudioEffect.java:545)
21:24:36.025  W  	at android.media.audiofx.AudioEffect.<init>(AudioEffect.java:503)
21:24:36.025  W  	at android.media.audiofx.AudioEffect.<init>(AudioEffect.java:477)
21:24:36.025  W  	at android.media.audiofx.PresetReverb.<init>(PresetReverb.java:128)
21:24:36.025  W  	at com.example.myeq2.EqualizerFragment$6.onProgressChanged(EqualizerFragment.java:349)
21:24:36.025  W  	at com.example.myeq2.DrawspinControllers.onTouchEvent(DrawspinControllers.java:116)
21:24:36.025  W  	at android.view.View.dispatchTouchEvent(View.java:16212)
21:24:36.025  W  	at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:3324)
21:24:36.025  W  	at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:2998)
21:24:36.026  W  	at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:3324)
21:24:36.026  W  	at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:2998)
21:24:36.026  W  	at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:3324)
21:24:36.026  W  	at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:2998)
21:24:36.026  W  	at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:3324)
21:24:36.026  W  	at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:2998)
21:24:36.026  W  	at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:3324)
21:24:36.026  W  	at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:2998)
21:24:36.026  W  	at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:3324)
21:24:36.026  W  	at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:2998)
21:24:36.027  W  	at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:3324)
21:24:36.027  W  	at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:2998)
21:24:36.027  W  	at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:3324)
21:24:36.027  W  	at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:2998)
21:24:36.027  W  	at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:3324)
21:24:36.027  W  	at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:2998)
21:24:36.027  W  	at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:3324)
21:24:36.027  W  	at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:2998)
21:24:36.027  W  	at com.android.internal.policy.DecorView.superDispatchTouchEvent(DecorView.java:776)
21:24:36.028  W  	at com.android.internal.policy.PhoneWindow.superDispatchTouchEvent(PhoneWindow.java:1967)
21:24:36.028  W  	at android.app.Activity.dispatchTouchEvent(Activity.java:4531)
21:24:36.028  W  	at androidx.appcompat.view.WindowCallbackWrapper.dispatchTouchEvent(WindowCallbackWrapper.java:70)
21:24:36.028  W  	at com.android.internal.policy.DecorView.dispatchTouchEvent(DecorView.java:734)
21:24:36.028  W  	at android.view.View.dispatchPointerEvent(View.java:16476)
21:24:36.028  W  	at android.view.ViewRootImpl$ViewPostImeInputStage.processPointerEvent(ViewRootImpl.java:8491)
21:24:36.028  W  	at android.view.ViewRootImpl$ViewPostImeInputStage.onProcess(ViewRootImpl.java:8242)
21:24:36.028  W  	at android.view.ViewRootImpl$InputStage.deliver(ViewRootImpl.java:7571)
21:24:36.028  W  	at android.view.ViewRootImpl$InputStage.onDeliverToNext(ViewRootImpl.java:7628)
21:24:36.029  W  	at android.view.ViewRootImpl$InputStage.forward(ViewRootImpl.java:7594)
21:24:36.029  W  	at android.view.ViewRootImpl$AsyncInputStage.forward(ViewRootImpl.java:7797)
21:24:36.029  W  	at android.view.ViewRootImpl$InputStage.apply(ViewRootImpl.java:7602)
21:24:36.029  W  	at android.view.ViewRootImpl$AsyncInputStage.apply(ViewRootImpl.java:7854)
21:24:36.029  W  	at android.view.ViewRootImpl$InputStage.deliver(ViewRootImpl.java:7575)
21:24:36.029  W  	at android.view.ViewRootImpl$InputStage.onDeliverToNext(ViewRootImpl.java:7628)
21:24:36.029  W  	at android.view.ViewRootImpl$InputStage.forward(ViewRootImpl.java:7594)
21:24:36.029  W  	at android.view.ViewRootImpl$InputStage.apply(ViewRootImpl.java:7602)
21:24:36.029  W  	at android.view.ViewRootImpl$InputStage.deliver(ViewRootImpl.java:7575)
21:24:36.030  W  	at android.view.ViewRootImpl.deliverInputEvent(ViewRootImpl.java:11112)
21:24:36.030  W  	at android.view.ViewRootImpl.doProcessInputEvents(ViewRootImpl.java:10994)
21:24:36.030  W  	at android.view.ViewRootImpl.enqueueInputEvent(ViewRootImpl.java:10950)
21:24:36.030  W  	at android.view.ViewRootImpl$WindowInputEventReceiver.onInputEvent(ViewRootImpl.java:11246)
21:24:36.030  W  	at android.view.InputEventReceiver.dispatchInputEvent(InputEventReceiver.java:296)
21:24:36.030  W  	at android.view.InputEventReceiver.nativeConsumeBatchedInputEvents(Native Method)
21:24:36.030  W  	at android.view.InputEventReceiver.consumeBatchedInputEvents(InputEventReceiver.java:273)
21:24:36.030  W  	at android.view.ViewRootImpl.doConsumeBatchedInput(ViewRootImpl.java:11195)
21:24:36.030  W  	at android.view.ViewRootImpl$ConsumeBatchedInputRunnable.run(ViewRootImpl.java:11341)
21:24:36.030  W  	at android.view.Choreographer$CallbackRecord.run(Choreographer.java:1650)
21:24:36.031  W  	at android.view.Choreographer$CallbackRecord.run(Choreographer.java:1659)
21:24:36.031  W  	at android.view.Choreographer.doCallbacks(Choreographer.java:1129)
21:24:36.031  W  	at android.view.Choreographer.doFrame(Choreographer.java:1040)
21:24:36.031  W  	at android.view.Choreographer$FrameDisplayEventReceiver.run(Choreographer.java:1622)
21:24:36.031  W  	at android.os.Handler.handleCallback(Handler.java:958)
21:24:36.031  W  	at android.os.Handler.dispatchMessage(Handler.java:99)
21:24:36.031  W  	at android.os.Looper.loopOnce(Looper.java:230)
21:24:36.031  W  	at android.os.Looper.loop(Looper.java:319)
21:24:36.031  W  	at android.app.ActivityThread.main(ActivityThread.java:8893)
21:24:36.031  W  	at java.lang.reflect.Method.invoke(Native Method)
21:24:36.032  W  	at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:608)
21:24:36.032  W  	at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1103)
21:24:36.039  I  @set_metadata: update dataspace from GM (0x00000000 -> 0x08010000)
21:24:36.040  I  ------REVERB--------------------4
21:24:36.044  V  attachAuxEffect(): 7275
21:24:36.044  V  MediaPlayer::attachAuxEffect(7275)
21:24:36.045  V  setAuxEffectSendLevel: level 1.000000
21:24:36.045  V  MediaPlayer::setAuxEffectSendLevel(1.000000)
21:24:36.045  V  setVolume: left 0.300000  right 0.300000
21:24:36.045  V  MediaPlayer::setVolume(0.300000, 0.300000)
21:24:36.046  I  ViewPostIme pointer 1
21:24:36.046  I  ------REVERB--------------------4
21:24:36.049  E  set(): AudioFlinger could not create effect 47382d60-ddd8-11db-bf3a-0002a5d5c51b / ec7178ec-e5e1-4432-a3f4-4657e6795210, status: -38
21:24:36.049  E  AudioEffect initCheck failed -3
21:24:36.049  E  Error code -3 when initializing AudioEffect.

this error repeats for every alteration of the spinner if anyone had any ideas?

Don't get me started about those stupid light bulbs.