Question 127887 in Android Studio Question posted in
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Android Studio – Android MediaRecorder – record video without audio

How I can record video only with MediaRecorder? I found the solution that simply leaving out the AudioSource will do that but unfortunately doesn’t work on Android 10+. If I do that MediaRecorder.prepare() fails. I can’t find a solution on the internet.

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2

Answers


  1. 0

    Prepare your media recorder in the following sequence.
    Only set AudioSource and AudioEncoder if you want to record with sound.

         MediaRecorder mMediaRecorder = new MediaRecorder();
    if (recordWithSound == true) {
        mMediaRecorder.setAudioSource(MediaRecorder.AudioSource.MIC);
    }
    mMediaRecorder.setVideoSource(MediaRecorder.VideoSource.SURFACE);
    mMediaRecorder.setOutputFormat(MediaRecorder.OutputFormat.MPEG_4);
    mMediaRecorder.setVideoSize(DISPLAY_WIDTH, DISPLAY_HEIGHT);
    mMediaRecorder.setVideoEncoder(MediaRecorder.VideoEncoder.H264);
    if (recordWithSound == true) {
        mMediaRecorder.setAudioEncoder(MediaRecorder.AudioEncoder.AMR_NB);
    }
    mMediaRecorder.setVideoEncodingBitRate(videoBitRate);
    mMediaRecorder.setVideoFrameRate(videoFrameRate);
    mMediaRecorder.setOrientationHint(orientation);
    mMediaRecorder.setOutputFile(videoFile);
    mMediaRecorder.prepare();
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  2. 0

    I have done that i have mute mic on button click if you want to mute when recording start than paste the code in your startRecording()

        val audioManager = applicationContext.getSystemService(AUDIO_SERVICE) as AudioManager
    audioManager.isMicrophoneMute = false
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