i want to record a video (with audio) from this app but as soon as i press start recording it gives "E/MediaRecorder: start failed: -19"
i referred to this link ---> http://stackoverflow.com/questions/10496969/android-mediarecorder-start-failed-19 and according to them i set the supported videoSize but again i failed and i have set the method calls according to the state diagram given on ---> "**developer.android.com/reference/android/media/MediaRecorder.html**" website and i have set audio and video parameters as given on ---> "**developer.android.com/guide/appendix/media-formats.html**" website but nothing seems to work :( i am testing this on my **phone Mi Redmi 2 running MIUI** this is how UI looks like ---> [Cam UI][1] [1]: http://i.stack.imgur.com/z7hW2.jpg this is my code below:- public class AndroidCamera extends Activity implements SurfaceHolder.Callback { TextView testView; Camera camera; SurfaceView surfaceView; SurfaceHolder surfaceHolder; MediaRecorder mRecorder; private boolean mCaptureFrame = false; private boolean recording = false; File audiofile = null; private final String tag = "VideoServer"; Button start, stop, startrec, stoprec; /** * Called when the activity is first created. */ @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); start = (Button) findViewById(R.id.startcamerapreview); start.setOnClickListener(new Button.OnClickListener() { public void onClick(View arg0) { start_camera(); } }); stop = (Button) findViewById(R.id.stopcamerapreview); stop.setOnClickListener(new Button.OnClickListener() { public void onClick(View arg0) { stop_camera(); } }); startrec = (Button) findViewById(R.id.startrecording); startrec.setOnClickListener(new Button.OnClickListener() { public void onClick(View arg0) { startRecording(); } }); stoprec = (Button) findViewById(R.id.stoprecording); stoprec.setOnClickListener(new Button.OnClickListener() { public void onClick(View arg0) { stopRecording(); } }); surfaceView = (SurfaceView) findViewById(R.id.surfaceview); surfaceHolder = surfaceView.getHolder(); surfaceHolder.addCallback(this); surfaceHolder.setType(SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS); } private void start_camera() { try { camera = Camera.open(); setCameraDisplayOrientation(this, Camera.CameraInfo.CAMERA_FACING_BACK, camera); } catch (RuntimeException e) { Log.e(tag, "init_camera: " + e); return; } try { camera.setPreviewDisplay(surfaceHolder); Camera.Parameters parameters = camera.getParameters(); parameters.setPreviewSize(1280, 720); surfaceView.requestLayout(); if (parameters.getSupportedFocusModes().contains( Camera.Parameters.FOCUS_MODE_CONTINUOUS_VIDEO)) { parameters.setFocusMode(Camera.Parameters.FOCUS_MODE_CONTINUOUS_VIDEO); } parameters.setFocusMode(Camera.Parameters.FOCUS_MODE_AUTO); camera.setParameters(parameters); camera.startPreview(); camera.autoFocus(null); } catch (Exception e) { Log.e(tag, "init_camera: " + e); return; } } private void stop_camera() { camera.stopPreview(); camera.release(); } public void surfaceChanged(SurfaceHolder arg0, int arg1, int arg2, int arg3) { // TODO Auto-generated method stub } public void surfaceCreated(SurfaceHolder holder) { // TODO Auto-generated method stub } public void surfaceDestroyed(SurfaceHolder holder) { // TODO Auto-generated method stub } public static void setCameraDisplayOrientation(Activity activity, int cameraId, android.hardware.Camera camera) { android.hardware.Camera.CameraInfo info = new android.hardware.Camera.CameraInfo(); android.hardware.Camera.getCameraInfo(cameraId, info); int rotation = activity.getWindowManager().getDefaultDisplay().getRotation(); int degrees = 0; switch (rotation) { case Surface.ROTATION_0: degrees = 0; break; case Surface.ROTATION_90: degrees = 90; break; case Surface.ROTATION_180: degrees = 180; break; case Surface.ROTATION_270: degrees = 270; break; } int result; if (info.facing == Camera.CameraInfo.CAMERA_FACING_FRONT) { result = (info.orientation + degrees) % 360; result = (360 - result) % 360; // compensate the mirror } else { // back-facing result = (info.orientation - degrees + 360) % 360; } camera.setDisplayOrientation(result); } public void startRecording() { Log.e("", "Begin StartRecording"); Toast.makeText(this, "Recording....", Toast.LENGTH_SHORT).show(); mCaptureFrame = true; if (mRecorder != null) { mRecorder.stop(); mRecorder.release(); } mRecorder = new MediaRecorder(); mRecorder.setVideoSource(MediaRecorder.VideoSource.CAMERA); mRecorder.setAudioSource(MediaRecorder.AudioSource.MIC); mRecorder.setAudioChannels(1); mRecorder.setAudioSamplingRate(24); mRecorder.setOutputFormat(MediaRecorder.OutputFormat.MPEG_4); mRecorder.setVideoEncoder(MediaRecorder.VideoEncoder.H264); mRecorder.setAudioEncoder(MediaRecorder.AudioEncoder.AAC); mRecorder.setVideoEncodingBitRate(56); mRecorder.setAudioEncodingBitRate(24); final List<Camera.Size> mSupportedVideoSizes = getSupportedVideoSizes(camera); for (Camera.Size str : mSupportedVideoSizes) Log.e(tag, "mSupportedVideoSizes "+str.width + ":" + str.height + " ... " + ((float) str.width / str.height)); File dir = Environment.getExternalStorageDirectory(); try { audiofile = File.createTempFile("sound", ".mp4", dir); } catch (IOException e) { Log.e(tag, "external storage access error"); return; } mRecorder.setOutputFile(audiofile.getAbsolutePath()); mRecorder.setVideoSize(176, 144); mRecorder.setVideoFrameRate(12); mRecorder.setMaxDuration(20000); mRecorder.setPreviewDisplay(surfaceHolder.getSurface()); try { mRecorder.prepare(); } catch (IllegalStateException e) { e.printStackTrace(); } catch (IOException e) { e.printStackTrace(); } try { mRecorder.start(); } catch (Throwable t) { t.printStackTrace(); Log.w(tag, t); recording = true; } } public void stopRecording() { Log.e("", "Begin StopChange"); Toast.makeText(this, "Recording STOPPED .. ", Toast.LENGTH_SHORT).show(); if (mRecorder != null) try { mRecorder.stop(); Toast.makeText(this, "Recording STOPPED .. ", Toast.LENGTH_SHORT).show(); } catch (RuntimeException e) { e.printStackTrace(); } finally { mRecorder.release(); mRecorder = null; recording = false; } } public List<Camera.Size> getSupportedVideoSizes(Camera camera) { if (camera.getParameters().getSupportedVideoSizes() != null) { return camera.getParameters().getSupportedVideoSizes(); } else { // Video sizes may be null, which indicates that all the supported // preview sizes are supported for video recording. return camera.getParameters().getSupportedPreviewSizes(); } } } here is the Android Manifest fie:- <?xml version="1.0" encoding="utf-8"?> <manifest xmlns:android="http://schemas.android.com/apk/res/android"; package="pkg.android.chintan.khetiya.cp" android:versionCode="1" android:versionName="1.0" > <uses-permission android:name="android.permission.CAMERA" /> <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" /> <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" /> <uses-permission android:name="android.permission.INTERNET" /> <uses-permission android:name="android.permission.RECORD_AUDIO" /> <uses-permission android:name="android.permission.RECORD_VIDEO" /> <uses-permission android:name="android.permission.STORAGE" /> <application android:icon="@drawable/ic_launcher" android:label="@string/app_name" > <activity android:name="pkg.android.chintan.khetiya.cp.AndroidCamera" android:label="@string/app_name" > <intent-filter> <action android:name="android.intent.action.MAIN" /> <category android:name="android.intent.category.LAUNCHER" /> </intent-filter> </activity> </application> <uses-sdk android:minSdkVersion="4" /> </manifest> Logcat :---> E/MediaRecorder: start failed: -19 02-24 13:40:32.070 14892-14892/pkg.android.chintan.khetiya.cp W/System.err: java.lang.RuntimeException: start failed. 02-24 13:40:32.070 14892-14892/pkg.android.chintan.khetiya.cp W/System.err: at android.media.MediaRecorder.start(Native Method) 02-24 13:40:32.070 14892-14892/pkg.android.chintan.khetiya.cp W/System.err: at pkg.android.chintan.khetiya.cp.AndroidCamera.startRecording(AndroidCamera.java:240) 02-24 13:40:32.070 14892-14892/pkg.android.chintan.khetiya.cp W/System.err: at pkg.android.chintan.khetiya.cp.AndroidCamera$3.onClick(AndroidCamera.java:65) 02-24 13:40:32.070 14892-14892/pkg.android.chintan.khetiya.cp W/System.err: at android.view.View.performClick(View.java:4802) 02-24 13:40:32.070 14892-14892/pkg.android.chintan.khetiya.cp W/System.err: at android.view.View$PerformClick.run(View.java:20102) 02-24 13:40:32.070 14892-14892/pkg.android.chintan.khetiya.cp W/System.err: at android.os.Handler.handleCallback(Handler.java:810) 02-24 13:40:32.070 14892-14892/pkg.android.chintan.khetiya.cp W/System.err: at android.os.Handler.dispatchMessage(Handler.java:99) 02-24 13:40:32.070 14892-14892/pkg.android.chintan.khetiya.cp W/System.err: at android.os.Looper.loop(Looper.java:189) THESE are the supported video sizes from logcat :---> E/VideoServer: mSupportedVideoSizes 176:144 ... 1.2222222 E/VideoServer: mSupportedVideoSizes 320:240 ... 1.3333334 E/VideoServer: mSupportedVideoSizes 352:288 ... 1.2222222 E/VideoServer: mSupportedVideoSizes 480:320 ... 1.5 E/VideoServer: mSupportedVideoSizes 480:368 ... 1.3043479 E/VideoServer: mSupportedVideoSizes 640:480 ... 1.3333334 E/VideoServer: mSupportedVideoSizes 720:480 ... 1.5 E/VideoServer: mSupportedVideoSizes 800:480 ... 1.6666666 E/VideoServer: mSupportedVideoSizes 800:600 ... 1.3333334 E/VideoServer: mSupportedVideoSizes 864:480 ... 1.8 E/VideoServer: mSupportedVideoSizes 960:540 ... 1.7777778 E/VideoServer: mSupportedVideoSizes 1280:720 ... 1.7777778 E/VideoServer: mSupportedVideoSizes 1280:768 ... 1.6666666 E/VideoServer: mSupportedVideoSizes 1600:1200 ... 1.3333334 E/VideoServer: mSupportedVideoSizes 1920:1088 ... 1.7647059 > first i press the **1) start preview button** > then **2) start recording button** > then after making vid **3) stop recording** > finally **4) stop preview** please please tell me where am i wrong ... any help will be appreciated thanks in advance ! -- You received this message because you are subscribed to the Google Groups "Android Developers" group. 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