MediaRecorder start failed: -38
11,264
Found the solution , it appears i had some other service in the background which is using AudioRecord and uses the mic as well.... so thats the -38 :)
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Robocide
Updated on August 11, 2020Comments
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Robocide almost 4 years
i searched to check if this question is no dup , i see some has no answer and others did not help.
this is my code :
private void startRecording() { mRecorder = new MediaRecorder(); mRecorder.setAudioSource(MediaRecorder.AudioSource.MIC); mRecorder.setOutputFormat(MediaRecorder.OutputFormat.THREE_GPP); mRecorder.setAudioEncoder(MediaRecorder.AudioEncoder.AMR_NB); mFileName = Environment.getExternalStorageDirectory().getAbsolutePath(); mFileName += "/recordedHeckPost_.3gp"; mRecorder.setOutputFile(mFileName); try { mRecorder.prepare(); //Thread.sleep(2000); mRecorder.start(); } catch (InterruptedException e) { // TODO Auto-generated catch block e.printStackTrace(); } catch(IllegalStateException e) { e.printStackTrace(); } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } } private void stopRecording() { mRecorder.stop(); mRecorder.release(); mRecorder = null; }
After running this code (On Nexus 5) i get the below start failed -38 exception:
05-31 18:17:39.404: E/MediaRecorder(2464): start failed: -38 05-31 18:17:39.404: W/System.err(2464): java.lang.IllegalStateException 05-31 18:17:39.404: W/System.err(2464): at android.media.MediaRecorder.start(Native Method)
Thanks.
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Vinay Gaba over 9 yearsWhich background service was this in particular?
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Robocide over 9 yearsIt was one of my my app services not OS
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Vinay Gaba over 9 yearsFound it! From another app I tested whose icon I had hidden!Damn I would never never realized it without the answer about other service in background.Thanks!
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SRam over 7 yearshow can i find that other service running in background for recording or using mic?
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Robocide about 7 yearsjust check in your source code of your application for the strings "AudioRecord" or "MediaRecorder" .... or some other way to find if you have code that uses the mic....
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hasan_shaikh about 6 yearsDid you find any solution to fix this without removing the background services?. I am using github.com/JorenSix/TarsosDSP to detect the pitch from the microphone when recording the video. So can you please help me out to fix this issue.