takeVideo improvements (#617)

* takeVideo improvements

* Try to fix tests

* Reorder operations in FullVideoRecorder

cameraview/src/androidTest/java/com/otaliastudios/cameraview/CameraOptions1Test.java

@@ -41,7 +41,7 @@ public class CameraOptions1Test extends BaseTest {
 
     @Test
     public void testEmpty() {
-        CameraOptions o = new CameraOptions(mock(Camera.Parameters.class), false);
+        CameraOptions o = new CameraOptions(mock(Camera.Parameters.class), 0, false);
         assertTrue(o.getSupportedPictureAspectRatios().isEmpty());
         assertTrue(o.getSupportedPictureSizes().isEmpty());
         assertTrue(o.getSupportedWhiteBalance().isEmpty());
@@ -71,7 +71,7 @@ public class CameraOptions1Test extends BaseTest {
         );
         Camera.Parameters params = mock(Camera.Parameters.class);
         when(params.getSupportedPictureSizes()).thenReturn(sizes);
-        CameraOptions o = new CameraOptions(params, false);
+        CameraOptions o = new CameraOptions(params, 0, false);
         Collection<Size> supportedSizes = o.getSupportedPictureSizes();
         assertEquals(supportedSizes.size(), sizes.size());
         for (Camera.Size size : sizes) {
@@ -90,7 +90,7 @@ public class CameraOptions1Test extends BaseTest {
         );
         Camera.Parameters params = mock(Camera.Parameters.class);
         when(params.getSupportedPictureSizes()).thenReturn(sizes);
-        CameraOptions o = new CameraOptions(params, true);
+        CameraOptions o = new CameraOptions(params, 0, true);
         Collection<Size> supportedSizes = o.getSupportedPictureSizes();
         assertEquals(supportedSizes.size(), sizes.size());
         for (Camera.Size size : sizes) {
@@ -115,7 +115,7 @@ public class CameraOptions1Test extends BaseTest {
 
         Camera.Parameters params = mock(Camera.Parameters.class);
         when(params.getSupportedPictureSizes()).thenReturn(sizes);
-        CameraOptions o = new CameraOptions(params, false);
+        CameraOptions o = new CameraOptions(params, 0, false);
         Collection<AspectRatio> supportedRatios = o.getSupportedPictureAspectRatios();
         assertEquals(supportedRatios.size(), expected.size());
         for (AspectRatio ratio : expected) {
@@ -126,15 +126,17 @@ public class CameraOptions1Test extends BaseTest {
 
     @Test
     public void testVideoSizes() {
+        // VideoSize are capped by CamcorderProfile.QUALITY_HIGH max size.
+        // This can be very small on an emulator, so use very small sizes to not hit that value.
         List<Camera.Size> sizes = Arrays.asList(
-                mockCameraSize(100, 200),
-                mockCameraSize(50, 50),
-                mockCameraSize(1600, 900),
-                mockCameraSize(1000, 2000)
+                mockCameraSize(10, 20),
+                mockCameraSize(5, 5),
+                mockCameraSize(16, 9),
+                mockCameraSize(20, 40)
         );
         Camera.Parameters params = mock(Camera.Parameters.class);
         when(params.getSupportedVideoSizes()).thenReturn(sizes);
-        CameraOptions o = new CameraOptions(params, false);
+        CameraOptions o = new CameraOptions(params, 0, false);
         Collection<Size> supportedSizes = o.getSupportedVideoSizes();
         assertEquals(supportedSizes.size(), sizes.size());
         for (Camera.Size size : sizes) {
@@ -147,15 +149,15 @@ public class CameraOptions1Test extends BaseTest {
     public void testVideoSizesNull() {
         // When videoSizes is null, we take the preview sizes.
         List<Camera.Size> sizes = Arrays.asList(
-                mockCameraSize(100, 200),
-                mockCameraSize(50, 50),
-                mockCameraSize(1600, 900),
-                mockCameraSize(1000, 2000)
+                mockCameraSize(10, 20),
+                mockCameraSize(5, 5),
+                mockCameraSize(16, 9),
+                mockCameraSize(20, 40)
         );
         Camera.Parameters params = mock(Camera.Parameters.class);
         when(params.getSupportedVideoSizes()).thenReturn(null);
         when(params.getSupportedPreviewSizes()).thenReturn(sizes);
-        CameraOptions o = new CameraOptions(params, false);
+        CameraOptions o = new CameraOptions(params, 0, false);
         Collection<Size> supportedSizes = o.getSupportedVideoSizes();
         assertEquals(supportedSizes.size(), sizes.size());
         for (Camera.Size size : sizes) {
@@ -167,14 +169,14 @@ public class CameraOptions1Test extends BaseTest {
     @Test
     public void testVideoSizesFlip() {
         List<Camera.Size> sizes = Arrays.asList(
-                mockCameraSize(100, 200),
-                mockCameraSize(50, 50),
-                mockCameraSize(1600, 900),
-                mockCameraSize(1000, 2000)
+                mockCameraSize(10, 20),
+                mockCameraSize(5, 5),
+                mockCameraSize(16, 9),
+                mockCameraSize(20, 40)
         );
         Camera.Parameters params = mock(Camera.Parameters.class);
         when(params.getSupportedVideoSizes()).thenReturn(sizes);
-        CameraOptions o = new CameraOptions(params, true);
+        CameraOptions o = new CameraOptions(params, 0, true);
         Collection<Size> supportedSizes = o.getSupportedVideoSizes();
         assertEquals(supportedSizes.size(), sizes.size());
         for (Camera.Size size : sizes) {
@@ -186,10 +188,10 @@ public class CameraOptions1Test extends BaseTest {
     @Test
     public void testVideoAspectRatio() {
         List<Camera.Size> sizes = Arrays.asList(
-                mockCameraSize(100, 200),
-                mockCameraSize(50, 50),
-                mockCameraSize(1600, 900),
-                mockCameraSize(1000, 2000)
+                mockCameraSize(10, 20),
+                mockCameraSize(5, 5),
+                mockCameraSize(16, 9),
+                mockCameraSize(20, 40)
         );
 
         Set<AspectRatio> expected = new HashSet<>();
@@ -199,7 +201,7 @@ public class CameraOptions1Test extends BaseTest {
 
         Camera.Parameters params = mock(Camera.Parameters.class);
         when(params.getSupportedVideoSizes()).thenReturn(sizes);
-        CameraOptions o = new CameraOptions(params, false);
+        CameraOptions o = new CameraOptions(params, 0, false);
         Collection<AspectRatio> supportedRatios = o.getSupportedVideoAspectRatios();
         assertEquals(supportedRatios.size(), expected.size());
         for (AspectRatio ratio : expected) {
@@ -215,7 +217,7 @@ public class CameraOptions1Test extends BaseTest {
         when(params.getMaxExposureCompensation()).thenReturn(0);
         when(params.getMinExposureCompensation()).thenReturn(0);
 
-        CameraOptions o = new CameraOptions(params, false);
+        CameraOptions o = new CameraOptions(params, 0, false);
         assertFalse(o.supports(GestureAction.AUTO_FOCUS));
         assertTrue(o.supports(GestureAction.TAKE_PICTURE));
         assertTrue(o.supports(GestureAction.NONE));
@@ -229,7 +231,7 @@ public class CameraOptions1Test extends BaseTest {
     public void testAlwaysSupportedControls() {
         // Grid, VideoQuality, SessionType and Audio are always supported.
         Camera.Parameters params = mock(Camera.Parameters.class);
-        CameraOptions o = new CameraOptions(params, false);
+        CameraOptions o = new CameraOptions(params, 0, false);
 
         Collection<Grid> grids = o.getSupportedControls(Grid.class);
         Collection<VideoCodec> video = o.getSupportedControls(VideoCodec.class);
@@ -250,7 +252,7 @@ public class CameraOptions1Test extends BaseTest {
             supported.add(cameraInfo.facing);
         }
 
-        CameraOptions o = new CameraOptions(mock(Camera.Parameters.class), false);
+        CameraOptions o = new CameraOptions(mock(Camera.Parameters.class), 0, false);
         Camera1Mapper m = Camera1Mapper.get();
         Collection<Facing> s = o.getSupportedControls(Facing.class);
         assertEquals(s.size(), supported.size());
@@ -269,7 +271,7 @@ public class CameraOptions1Test extends BaseTest {
                 Camera.Parameters.WHITE_BALANCE_SHADE // Not supported
         ));
 
-        CameraOptions o = new CameraOptions(params, false);
+        CameraOptions o = new CameraOptions(params, 0, false);
         Collection<WhiteBalance> w = o.getSupportedControls(WhiteBalance.class);
         assertEquals(w.size(), 2);
         assertTrue(w.contains(WhiteBalance.AUTO));
@@ -288,7 +290,7 @@ public class CameraOptions1Test extends BaseTest {
                 Camera.Parameters.FLASH_MODE_RED_EYE // Not supported
         ));
 
-        CameraOptions o = new CameraOptions(params, false);
+        CameraOptions o = new CameraOptions(params, 0, false);
         Collection<Flash> f = o.getSupportedControls(Flash.class);
         assertEquals(f.size(), 3);
         assertTrue(f.contains(Flash.OFF));
@@ -309,7 +311,7 @@ public class CameraOptions1Test extends BaseTest {
                 Camera.Parameters.SCENE_MODE_FIREWORKS // Not supported
         ));
 
-        CameraOptions o = new CameraOptions(params, false);
+        CameraOptions o = new CameraOptions(params, 0, false);
         Collection<Hdr> h = o.getSupportedControls(Hdr.class);
         assertEquals(h.size(), 2);
         assertTrue(h.contains(Hdr.OFF));
@@ -326,7 +328,7 @@ public class CameraOptions1Test extends BaseTest {
         when(params.isZoomSupported()).thenReturn(true);
         //noinspection ArraysAsListWithZeroOrOneArgument
         when(params.getSupportedFocusModes()).thenReturn(Arrays.asList(Camera.Parameters.FOCUS_MODE_AUTO));
-        CameraOptions o = new CameraOptions(params, false);
+        CameraOptions o = new CameraOptions(params, 0, false);
         assertTrue(o.isZoomSupported());
         assertTrue(o.isAutoFocusSupported());
     }
@@ -337,7 +339,7 @@ public class CameraOptions1Test extends BaseTest {
         when(params.getMaxExposureCompensation()).thenReturn(10);
         when(params.getMinExposureCompensation()).thenReturn(-10);
         when(params.getExposureCompensationStep()).thenReturn(0.5f);
-        CameraOptions o = new CameraOptions(params, false);
+        CameraOptions o = new CameraOptions(params, 0, false);
         assertTrue(o.isExposureCorrectionSupported());
         assertEquals(o.getExposureCorrectionMinValue(), -10f * 0.5f, 0f);
         assertEquals(o.getExposureCorrectionMaxValue(), 10f * 0.5f, 0f);

cameraview/src/main/java/com/otaliastudios/cameraview/CameraOptions.java

@@ -62,7 +62,7 @@ public class CameraOptions {
     private boolean autoFocusSupported;
 
 
-    public CameraOptions(@NonNull Camera.Parameters params, boolean flipSizes) {
+    public CameraOptions(@NonNull Camera.Parameters params, int cameraId, boolean flipSizes) {
         List<String> strings;
         Camera1Mapper mapper = Camera1Mapper.get();
 
@@ -127,19 +127,28 @@ public class CameraOptions {
         }
 
         // Video Sizes
+        // As a safety measure, remove Sizes bigger than CamcorderProfile.highest
+        CamcorderProfile profile = CamcorderProfiles.get(cameraId,
+                new Size(Integer.MAX_VALUE, Integer.MAX_VALUE));
+        Size videoMaxSize = new Size(profile.videoFrameWidth, profile.videoFrameHeight);
         List<Camera.Size> vsizes = params.getSupportedVideoSizes();
         if (vsizes != null) {
             for (Camera.Size size : vsizes) {
+                if (size.width <= videoMaxSize.getWidth()
+                        && size.height <= videoMaxSize.getHeight()) {
                     int width = flipSizes ? size.height : size.width;
                     int height = flipSizes ? size.width : size.height;
                     supportedVideoSizes.add(new Size(width, height));
                     supportedVideoAspectRatio.add(AspectRatio.of(width, height));
                 }
+            }
         } else {
             // StackOverflow threads seems to agree that if getSupportedVideoSizes is null,
             // previews can be used.
             List<Camera.Size> fallback = params.getSupportedPreviewSizes();
             for (Camera.Size size : fallback) {
+                if (size.width <= videoMaxSize.getWidth()
+                        && size.height <= videoMaxSize.getHeight()) {
                     int width = flipSizes ? size.height : size.width;
                     int height = flipSizes ? size.width : size.height;
                     supportedVideoSizes.add(new Size(width, height));
@@ -147,6 +156,7 @@ public class CameraOptions {
                 }
             }
         }
+    }
 
     // Camera2Engine constructor.
     @RequiresApi(Build.VERSION_CODES.LOLLIPOP)

cameraview/src/main/java/com/otaliastudios/cameraview/engine/Camera1Engine.java

@@ -154,8 +154,8 @@ public class Camera1Engine extends CameraEngine implements
         // Set parameters that might have been set before the camera was opened.
         LOG.i("onStartEngine:", "Applying default parameters.");
         Camera.Parameters params = mCamera.getParameters();
-        mCameraOptions = new CameraOptions(params, getAngles()
-                .flip(Reference.SENSOR, Reference.VIEW));
+        mCameraOptions = new CameraOptions(params, mCameraId,
+                getAngles().flip(Reference.SENSOR, Reference.VIEW));
         applyAllParameters(params);
         mCamera.setParameters(params);
         mCamera.setDisplayOrientation(getAngles().offset(Reference.SENSOR, Reference.VIEW,

cameraview/src/main/java/com/otaliastudios/cameraview/internal/DeviceEncoders.java

@@ -221,22 +221,28 @@ public class DeviceEncoders {
         int width = size.getWidth();
         int height = size.getHeight();
         double aspect = (double) width / height;
+        LOG.i("getSupportedVideoSize - started. width:", width, "height:", height);
 
         // If width is too large, scale down, but keep aspect ratio.
         if (mVideoCapabilities.getSupportedWidths().getUpper() < width) {
             width = mVideoCapabilities.getSupportedWidths().getUpper();
             height = (int) Math.round(width / aspect);
+            LOG.i("getSupportedVideoSize - exceeds maxWidth! width:", width,
+                    "height:", height);
         }
 
         // If height is too large, scale down, but keep aspect ratio.
         if (mVideoCapabilities.getSupportedHeights().getUpper() < height) {
             height = mVideoCapabilities.getSupportedHeights().getUpper();
             width = (int) Math.round(aspect * height);
+            LOG.i("getSupportedVideoSize - exceeds maxHeight! width:", width,
+                    "height:", height);
         }
 
         // Adjust the alignment.
         while (width % mVideoCapabilities.getWidthAlignment() != 0) width--;
         while (height % mVideoCapabilities.getHeightAlignment() != 0) height--;
+        LOG.i("getSupportedVideoSize - aligned. width:", width, "height:", height);
 
         // It's still possible that we're BELOW the lower.
         if (!mVideoCapabilities.getSupportedWidths().contains(width)) {
@@ -256,9 +262,7 @@ public class DeviceEncoders {
                     " Might be an aspect ratio issue." +
                     " Desired size:" + new Size(width, height));
         }
-        Size adjusted = new Size(width, height);
-        LOG.i("getSupportedVideoSize -", "inputSize:", size, "adjustedSize:", adjusted);
-        return adjusted;
+        return new Size(width, height);
     }
 
     /**

cameraview/src/main/java/com/otaliastudios/cameraview/internal/utils/CamcorderProfiles.java

@@ -4,6 +4,7 @@ import android.annotation.SuppressLint;
 import android.media.CamcorderProfile;
 import android.os.Build;
 
+import com.otaliastudios.cameraview.CameraLogger;
 import com.otaliastudios.cameraview.size.Size;
 
 import java.util.ArrayList;
@@ -20,6 +21,9 @@ import androidx.annotation.NonNull;
  */
 public class CamcorderProfiles {
 
+    private static final String TAG = CamcorderProfiles.class.getSimpleName();
+    private static final CameraLogger LOG = CameraLogger.create(TAG);
+
     @SuppressLint("UseSparseArrays")
     private static Map<Size, Integer> sizeToProfileMap = new HashMap<>();
 
@@ -53,6 +57,7 @@ public class CamcorderProfiles {
             int camera1Id = Integer.parseInt(cameraId);
             return get(camera1Id, targetSize);
         } catch (NumberFormatException e) {
+            LOG.w("NumberFormatException for Camera2 id:", cameraId);
             return CamcorderProfile.get(CamcorderProfile.QUALITY_LOW);
         }
     }

cameraview/src/main/java/com/otaliastudios/cameraview/video/Full1VideoRecorder.java

@@ -1,6 +1,7 @@
 package com.otaliastudios.cameraview.video;
 
 import android.hardware.Camera;
+import android.media.CamcorderProfile;
 import android.media.MediaRecorder;
 import android.util.Log;
 
@@ -34,15 +35,18 @@ public class Full1VideoRecorder extends FullVideoRecorder {
     }
 
     @Override
-    protected boolean onPrepareMediaRecorder(@NonNull VideoResult.Stub stub,
+    protected void applyVideoSource(@NonNull VideoResult.Stub stub,
                                     @NonNull MediaRecorder mediaRecorder) {
         mediaRecorder.setCamera(mCamera);
         mediaRecorder.setVideoSource(MediaRecorder.VideoSource.CAMERA);
+    }
 
+    @NonNull
+    @Override
+    protected CamcorderProfile getCamcorderProfile(@NonNull VideoResult.Stub stub) {
         // Get a profile of quality compatible with the chosen size.
         Size size = stub.rotation % 180 != 0 ? stub.size.flip() : stub.size;
-        mProfile = CamcorderProfiles.get(mCameraId, size);
-        return super.onPrepareMediaRecorder(stub, mediaRecorder);
+        return CamcorderProfiles.get(mCameraId, size);
     }
 
     @Override

cameraview/src/main/java/com/otaliastudios/cameraview/video/Full2VideoRecorder.java

@@ -4,6 +4,7 @@ import android.annotation.SuppressLint;
 import android.hardware.camera2.CaptureRequest;
 import android.hardware.camera2.CaptureResult;
 import android.hardware.camera2.TotalCaptureResult;
+import android.media.CamcorderProfile;
 import android.media.MediaRecorder;
 import android.os.Build;
 import android.view.Surface;
@@ -69,19 +70,22 @@ public class Full2VideoRecorder extends FullVideoRecorder {
         action.start(mHolder);
     }
 
-    @SuppressLint("NewApi")
     @Override
-    protected boolean onPrepareMediaRecorder(@NonNull VideoResult.Stub stub,
+    protected void applyVideoSource(@NonNull VideoResult.Stub stub,
                                     @NonNull MediaRecorder mediaRecorder) {
         mediaRecorder.setVideoSource(MediaRecorder.VideoSource.SURFACE);
-        Size size = stub.rotation % 180 != 0 ? stub.size.flip() : stub.size;
-        mProfile = CamcorderProfiles.get(mCameraId, size);
+    }
+
+    @NonNull
+    @Override
+    protected CamcorderProfile getCamcorderProfile(@NonNull VideoResult.Stub stub) {
         // This was an option: get the surface from outside this class, using
         // MediaCodec.createPersistentInputSurface(). But it doesn't really help since the
         // Camera2 engine refuses a surface that has not been configured, so even with that trick
         // we would have to attach the surface to this recorder before creating the CameraSession.
         // mediaRecorder.setInputSurface(mInputSurface);
-        return super.onPrepareMediaRecorder(stub, mediaRecorder);
+        Size size = stub.rotation % 180 != 0 ? stub.size.flip() : stub.size;
+        return CamcorderProfiles.get(mCameraId, size);
     }
 
     /**

cameraview/src/main/java/com/otaliastudios/cameraview/video/FullVideoRecorder.java

@@ -8,6 +8,7 @@ import com.otaliastudios.cameraview.VideoResult;
 import com.otaliastudios.cameraview.controls.Audio;
 import com.otaliastudios.cameraview.controls.VideoCodec;
 import com.otaliastudios.cameraview.internal.DeviceEncoders;
+import com.otaliastudios.cameraview.internal.utils.CamcorderProfiles;
 import com.otaliastudios.cameraview.size.Size;
 
 import androidx.annotation.NonNull;
@@ -17,10 +18,9 @@ import androidx.annotation.Nullable;
  * A {@link VideoRecorder} that uses {@link android.media.MediaRecorder} APIs.
  *
  * When started, the media recorder will be prepared in
- * {@link #onPrepareMediaRecorder(VideoResult.Stub, MediaRecorder)}.
- * Subclasses should override this method and, before calling super(), do two things:
- * - set the media recorder VideoSource
- * - define {@link #mProfile}
+ * {@link #prepareMediaRecorder(VideoResult.Stub)}. This will call two abstract methods:
+ * - {@link #getCamcorderProfile(VideoResult.Stub)}
+ * - {@link #applyVideoSource(VideoResult.Stub, MediaRecorder)}
  *
  * Subclasses can also call {@link #prepareMediaRecorder(VideoResult.Stub)} before start happens,
  * in which case it will not be prepared twice. This can be used for example to test some
@@ -32,7 +32,7 @@ public abstract class FullVideoRecorder extends VideoRecorder {
     private static final CameraLogger LOG = CameraLogger.create(TAG);
 
     @SuppressWarnings("WeakerAccess") protected MediaRecorder mMediaRecorder;
-    @SuppressWarnings("WeakerAccess") protected CamcorderProfile mProfile;
+    private CamcorderProfile mProfile;
     private boolean mMediaRecorderPrepared;
 
 
@@ -40,24 +40,75 @@ public abstract class FullVideoRecorder extends VideoRecorder {
         super(listener);
     }
 
-    @SuppressWarnings({"WeakerAccess", "UnusedReturnValue"})
-    protected boolean prepareMediaRecorder(@NonNull VideoResult.Stub stub) {
+    /**
+     * Subclasses should return an appropriate CamcorderProfile.
+     * This could be taken from the {@link CamcorderProfiles} utility class based on the
+     * stub declared size, for instance.
+     *
+     * @param stub the stub
+     * @return the profile
+     */
+    @NonNull
+    protected abstract CamcorderProfile getCamcorderProfile(@NonNull VideoResult.Stub stub);
+
+    /**
+     * Subclasses should apply a video source to the given recorder.
+     *
+     * @param stub the stub
+     * @param mediaRecorder the recorder
+     */
+    protected abstract void applyVideoSource(@NonNull VideoResult.Stub stub,
+                                             @NonNull MediaRecorder mediaRecorder);
+
+    @SuppressWarnings("WeakerAccess")
+    protected final boolean prepareMediaRecorder(@NonNull VideoResult.Stub stub) {
         if (mMediaRecorderPrepared) return true;
-        return onPrepareMediaRecorder(stub, new MediaRecorder());
+        // We kind of trust the stub size at this point. It's coming from CameraOptions sizes
+        // and it's clipped to be less than CamcorderProfile's highest available profile.
+        // However, we still can't trust the developer parameters (e.g. bit rates), and even
+        // without them, the camera declared sizes can cause crashes in MediaRecorder (#467, #602).
+        // A possible solution was to prepare without checking DeviceEncoders first, and should it
+        // fail, prepare again checking them. However, when parameters are wrong, MediaRecorder
+        // fails on start() instead of prepare() (start failed -19), so this wouldn't be effective.
+        return prepareMediaRecorder(stub, true);
     }
 
-    protected boolean onPrepareMediaRecorder(@NonNull VideoResult.Stub stub,
-                                             @NonNull MediaRecorder mediaRecorder) {
-        mMediaRecorder = mediaRecorder;
+    @SuppressWarnings("SameParameterValue")
+    private boolean prepareMediaRecorder(@NonNull VideoResult.Stub stub,
+                                         boolean applyEncodersConstraints) {
+        // 1. Create reference and ask for the CamcorderProfile
+        mMediaRecorder = new MediaRecorder();
+        mProfile = getCamcorderProfile(stub);
+
+        // 2. Set the video and audio sources.
+        applyVideoSource(stub, mMediaRecorder);
         boolean hasAudio = stub.audio == Audio.ON
                 || stub.audio == Audio.MONO
                 || stub.audio == Audio.STEREO;
         if (hasAudio) {
             mMediaRecorder.setAudioSource(MediaRecorder.AudioSource.DEFAULT);
         }
+
+        // 3. Set the output format. Before, change the profile data if the user
+        // has specified a specific codec.
+        if (stub.videoCodec == VideoCodec.H_264) {
+            mProfile.videoCodec = MediaRecorder.VideoEncoder.H264;
+            mProfile.fileFormat = MediaRecorder.OutputFormat.MPEG_4;
+        } else if (stub.videoCodec == VideoCodec.H_263) {
+            mProfile.videoCodec = MediaRecorder.VideoEncoder.H263;
+            mProfile.fileFormat = MediaRecorder.OutputFormat.MPEG_4; // should work
+        }
         mMediaRecorder.setOutputFormat(mProfile.fileFormat);
 
-        // Get the audio mime type
+        // 4. Update the VideoResult stub with information from the profile, if the
+        // stub values are absent or incomplete
+        if (stub.videoFrameRate <= 0) stub.videoFrameRate = mProfile.videoFrameRate;
+        if (stub.videoBitRate <= 0) stub.videoBitRate = mProfile.videoBitRate;
+        if (stub.audioBitRate <= 0 && hasAudio) stub.audioBitRate = mProfile.audioBitRate;
+
+        // 5. Update the VideoResult stub with DeviceEncoders constraints
+        if (applyEncodersConstraints) {
+            // A. Get the audio mime type
             // https://android.googlesource.com/platform/frameworks/av/+/master/media/libmediaplayerservice/StagefrightRecorder.cpp#1096
             // https://github.com/MrAlex94/Waterfox-Old/blob/master/media/libstagefright/frameworks/av/media/libstagefright/MediaDefs.cpp
             String audioType;
@@ -71,17 +122,10 @@ public abstract class FullVideoRecorder extends VideoRecorder {
                 case MediaRecorder.AudioEncoder.DEFAULT:
                 default: audioType = "audio/3gpp";
             }
-
-        // Get the video mime type
+            // B. Get the video mime type
             // https://android.googlesource.com/platform/frameworks/av/+/master/media/libmediaplayerservice/StagefrightRecorder.cpp#1650
             // https://github.com/MrAlex94/Waterfox-Old/blob/master/media/libstagefright/frameworks/av/media/libstagefright/MediaDefs.cpp
             String videoType;
-        if (stub.videoCodec == VideoCodec.H_264) {
-            mProfile.videoCodec = MediaRecorder.VideoEncoder.H264;
-        }
-        if (stub.videoCodec == VideoCodec.H_263) {
-            mProfile.videoCodec = MediaRecorder.VideoEncoder.H263;
-        }
             switch (mProfile.videoCodec) {
                 case MediaRecorder.VideoEncoder.H263: videoType = "video/3gpp"; break;
                 case MediaRecorder.VideoEncoder.H264: videoType = "video/avc"; break;
@@ -91,16 +135,7 @@ public abstract class FullVideoRecorder extends VideoRecorder {
                 case MediaRecorder.VideoEncoder.DEFAULT:
                 default: videoType = "video/avc";
             }
-
-        // Merge stub and profile
-        stub.videoFrameRate = stub.videoFrameRate > 0 ? stub.videoFrameRate
-                : mProfile.videoFrameRate;
-        stub.videoBitRate = stub.videoBitRate > 0 ? stub.videoBitRate : mProfile.videoBitRate;
-        if (hasAudio) {
-            stub.audioBitRate = stub.audioBitRate > 0 ? stub.audioBitRate : mProfile.audioBitRate;
-        }
-
-        // Check DeviceEncoders support
+            // C. Check DeviceEncoders support
             boolean flip = stub.rotation % 180 != 0;
             if (flip) stub.size = stub.size.flip();
             Size newVideoSize = null;
@@ -111,6 +146,9 @@ public abstract class FullVideoRecorder extends VideoRecorder {
             int audioEncoderOffset = 0;
             boolean encodersFound = false;
             while (!encodersFound) {
+                LOG.i("prepareMediaRecorder:", "Checking DeviceEncoders...",
+                        "videoOffset:", videoEncoderOffset,
+                        "audioOffset:", audioEncoderOffset);
                 DeviceEncoders encoders = new DeviceEncoders(DeviceEncoders.MODE_RESPECT_ORDER,
                         videoType, audioType, videoEncoderOffset, audioEncoderOffset);
                 try {
@@ -126,13 +164,16 @@ public abstract class FullVideoRecorder extends VideoRecorder {
                     audioEncoderOffset++;
                 }
             }
+            // D. Apply results
             stub.size = newVideoSize;
             stub.videoBitRate = newVideoBitRate;
             stub.audioBitRate = newAudioBitRate;
             stub.videoFrameRate = newVideoFrameRate;
             if (flip) stub.size = stub.size.flip();
+        }
 
-        // Set video params
+        // 6A. Configure MediaRecorder from stub and from profile (video)
+        boolean flip = stub.rotation % 180 != 0;
         mMediaRecorder.setVideoSize(
                 flip ? stub.size.getHeight() : stub.size.getWidth(),
                 flip ? stub.size.getWidth() : stub.size.getHeight());
@@ -140,7 +181,7 @@ public abstract class FullVideoRecorder extends VideoRecorder {
         mMediaRecorder.setVideoEncoder(mProfile.videoCodec);
         mMediaRecorder.setVideoEncodingBitRate(stub.videoBitRate);
 
-        // Set audio params
+        // 6B. Configure MediaRecorder from stub and from profile (audio)
         if (hasAudio) {
             if (stub.audio == Audio.ON) {
                 mMediaRecorder.setAudioChannels(mProfile.audioChannels);
@@ -154,7 +195,7 @@ public abstract class FullVideoRecorder extends VideoRecorder {
             mMediaRecorder.setAudioEncodingBitRate(stub.audioBitRate);
         }
 
-        // Set other params
+        // 7. Set other params
         if (stub.location != null) {
             mMediaRecorder.setLocation(
                     (float) stub.location.getLatitude(),
@@ -180,7 +221,7 @@ public abstract class FullVideoRecorder extends VideoRecorder {
             }
         });
 
-        // Prepare the Recorder
+        // 8. Prepare the Recorder
         try {
             mMediaRecorder.prepare();
             mMediaRecorderPrepared = true;
@@ -220,13 +261,15 @@ public abstract class FullVideoRecorder extends VideoRecorder {
             try {
                 mMediaRecorder.stop();
             } catch (Exception e) {
-                LOG.w("stop:", "Error while closing media recorder.", e);
                 // This can happen if stopVideo() is called right after takeVideo()
                 // (in which case we don't care). Or when prepare()/start() have failed for
                 // some reason and we are not allowed to call stop.
                 // Make sure we don't override the error if one exists already.
                 mResult = null;
-                if (mError == null) mError = e;
+                if (mError == null) {
+                    LOG.w("stop:", "Error while closing media recorder.", e);
+                    mError = e;
+                }
             }
             mMediaRecorder.release();
         }