Android Capture video mediaRecorder.start() failed -19

瘦欲@ 提交于 2019-12-04 07:15:18

Develop it step by step. Begin from the default values.

mMediaRecorder.setOutputFormat(MediaRecorder.OutputFormat.DEFAULT);
//Use values from available Camera preview sizes 
mMediaRecorder.setVideoSize(mCameraPreview.getPreviewWidth(), mCameraPreview.getPreviewHeight());
mMediaRecorder.setAudioEncoder(MediaRecorder.AudioEncoder.DEFAULT);
mMediaRecorder.setVideoEncoder(MediaRecorder.VideoEncoder.DEFAULT);

You'll still have errors if you don't specify video size. If you don't have implementation of managing preview sizes. Try it with fixed size, It should work:

mMediaRecorder.setVideoSize(320, 240);

I can't find documentation on error -19. However, it looks like you're not asking for all needed permissions.The start failed error is sometimes due to a missing permission:

Possible permissions to try to add are:

<uses-feature android:name="android.hardware.microphone"/>

and

<uses-permission android:name="android.permission.STORAGE" />
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