k
/
CameraView
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Camera2 support for picture and video snapshots

Browse Source
pull/493/head
Mattia Iavarone 5 years ago
parent e2d5aa1941
commit 1dabf4db01
15 changed files with 539 additions and 394 deletions
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
Show Stats Download Patch File Download Diff File
  1. 9
      cameraview/src/androidTest/java/com/otaliastudios/cameraview/engine/MockCameraEngine.java
  2. 2
      cameraview/src/androidTest/java/com/otaliastudios/cameraview/internal/utils/WorkerHandlerTest.java
  3. 4
      cameraview/src/main/java/com/otaliastudios/cameraview/CameraUtils.java
  4. 2
      cameraview/src/main/java/com/otaliastudios/cameraview/CameraView.java
  5. 151
      cameraview/src/main/java/com/otaliastudios/cameraview/engine/Camera1Engine.java
  6. 145
      cameraview/src/main/java/com/otaliastudios/cameraview/engine/Camera2Engine.java
  7. 199
      cameraview/src/main/java/com/otaliastudios/cameraview/engine/CameraEngine.java
  8. 14
      cameraview/src/main/java/com/otaliastudios/cameraview/internal/utils/WorkerHandler.java
  9. 119
      cameraview/src/main/java/com/otaliastudios/cameraview/picture/Snapshot1PictureRecorder.java
  10. 99
      cameraview/src/main/java/com/otaliastudios/cameraview/picture/SnapshotGlPictureRecorder.java
  11. 2
      cameraview/src/main/java/com/otaliastudios/cameraview/preview/GlCameraPreview.java
  12. 15
      cameraview/src/main/java/com/otaliastudios/cameraview/video/SnapshotVideoRecorder.java
  13. 12
      cameraview/src/main/java/com/otaliastudios/cameraview/video/encoding/MediaEncoder.java
  14. 5
      cameraview/src/main/java/com/otaliastudios/cameraview/video/encoding/TextureMediaEncoder.java
  15. 7
      cameraview/src/main/java/com/otaliastudios/cameraview/video/encoding/VideoMediaEncoder.java

9
cameraview/src/androidTest/java/com/otaliastudios/cameraview/engine/MockCameraEngine.java
Unescape View File

@ -160,7 +160,8 @@ public class MockCameraEngine extends CameraEngine {
} }
@Override @Override
public void takePictureSnapshot(@NonNull PictureResult.Stub stub, @NonNull AspectRatio viewAspectRatio) { protected void onTakePictureSnapshot(@NonNull PictureResult.Stub stub, @NonNull AspectRatio viewAspectRatio) {
} }
@Override @Override
@ -168,12 +169,8 @@ public class MockCameraEngine extends CameraEngine {
} }
@Override @Override
public void takeVideoSnapshot(@NonNull VideoResult.Stub stub, @NonNull File file, @NonNull AspectRatio viewAspectRatio) { protected void onTakeVideoSnapshot(@NonNull VideoResult.Stub stub, @NonNull File file, @NonNull AspectRatio viewAspectRatio) {
}
@Override
public void stopVideo() {
} }
@Override @Override

2
cameraview/src/androidTest/java/com/otaliastudios/cameraview/internal/utils/WorkerHandlerTest.java
Unescape View File

@ -33,7 +33,7 @@ public class WorkerHandlerTest extends BaseTest {
op.end(true); op.end(true);
} }
}; };
WorkerHandler.run(action); WorkerHandler.execute(action);
Boolean result = op.await(500); Boolean result = op.await(500);
assertNotNull(result); assertNotNull(result);
assertTrue(result); assertTrue(result);

4
cameraview/src/main/java/com/otaliastudios/cameraview/CameraUtils.java
Unescape View File

@ -111,7 +111,7 @@ public class CameraUtils {
@SuppressWarnings("WeakerAccess") @SuppressWarnings("WeakerAccess")
public static void writeToFile(@NonNull final byte[] data, @NonNull final File file, @NonNull final FileCallback callback) { public static void writeToFile(@NonNull final byte[] data, @NonNull final File file, @NonNull final FileCallback callback) {
final Handler ui = new Handler(); final Handler ui = new Handler();
WorkerHandler.run(new Runnable() { WorkerHandler.execute(new Runnable() {
@Override @Override
public void run() { public void run() {
final File result = writeToFile(data, file); final File result = writeToFile(data, file);
@ -194,7 +194,7 @@ public class CameraUtils {
@SuppressWarnings("WeakerAccess") @SuppressWarnings("WeakerAccess")
static void decodeBitmap(@NonNull final byte[] source, final int maxWidth, final int maxHeight, @NonNull final BitmapFactory.Options options, final int rotation, @NonNull final BitmapCallback callback) { static void decodeBitmap(@NonNull final byte[] source, final int maxWidth, final int maxHeight, @NonNull final BitmapFactory.Options options, final int rotation, @NonNull final BitmapCallback callback) {
final Handler ui = new Handler(); final Handler ui = new Handler();
WorkerHandler.run(new Runnable() { WorkerHandler.execute(new Runnable() {
@Override @Override
public void run() { public void run() {
final Bitmap bitmap = decodeBitmap(source, maxWidth, maxHeight, options, rotation); final Bitmap bitmap = decodeBitmap(source, maxWidth, maxHeight, options, rotation);

2
cameraview/src/main/java/com/otaliastudios/cameraview/CameraView.java
Unescape View File

@ -1897,7 +1897,7 @@ public class CameraView extends FrameLayout implements LifecycleObserver {
frame.release(); frame.release();
} else { } else {
mLogger.v("dispatchFrame:", frame.getTime(), "processors:", mFrameProcessors.size()); mLogger.v("dispatchFrame:", frame.getTime(), "processors:", mFrameProcessors.size());
mFrameProcessorsHandler.post(new Runnable() { mFrameProcessorsHandler.run(new Runnable() {
@Override @Override
public void run() { public void run() {
for (FrameProcessor processor : mFrameProcessors) { for (FrameProcessor processor : mFrameProcessors) {

151
cameraview/src/main/java/com/otaliastudios/cameraview/engine/Camera1Engine.java
Unescape View File

@ -35,7 +35,8 @@ import com.otaliastudios.cameraview.internal.utils.CropHelper;
import com.otaliastudios.cameraview.internal.utils.Op; import com.otaliastudios.cameraview.internal.utils.Op;
import com.otaliastudios.cameraview.picture.FullPictureRecorder; import com.otaliastudios.cameraview.picture.FullPictureRecorder;
import com.otaliastudios.cameraview.picture.PictureRecorder; import com.otaliastudios.cameraview.picture.PictureRecorder;
import com.otaliastudios.cameraview.picture.SnapshotPictureRecorder; import com.otaliastudios.cameraview.picture.Snapshot1PictureRecorder;
import com.otaliastudios.cameraview.picture.SnapshotGlPictureRecorder;
import com.otaliastudios.cameraview.preview.GlCameraPreview; import com.otaliastudios.cameraview.preview.GlCameraPreview;
import com.otaliastudios.cameraview.size.AspectRatio; import com.otaliastudios.cameraview.size.AspectRatio;
import com.otaliastudios.cameraview.size.Size; import com.otaliastudios.cameraview.size.Size;
@ -50,9 +51,7 @@ import java.util.List;
@SuppressWarnings("deprecation") @SuppressWarnings("deprecation")
public class Camera1Engine extends CameraEngine implements Camera.PreviewCallback, Camera.ErrorCallback, public class Camera1Engine extends CameraEngine implements Camera.PreviewCallback, Camera.ErrorCallback {
VideoRecorder.VideoResultListener,
PictureRecorder.PictureResultListener {
private static final String TAG = Camera1Engine.class.getSimpleName(); private static final String TAG = Camera1Engine.class.getSimpleName();
private static final CameraLogger LOG = CameraLogger.create(TAG); private static final CameraLogger LOG = CameraLogger.create(TAG);
@ -87,7 +86,7 @@ public class Camera1Engine extends CameraEngine implements Camera.PreviewCallbac
} }
private void schedule(@Nullable final Op<Void> op, final boolean ensureAvailable, final Runnable action) { private void schedule(@Nullable final Op<Void> op, final boolean ensureAvailable, final Runnable action) {
mHandler.post(new Runnable() { mHandler.run(new Runnable() {
@Override @Override
public void run() { public void run() {
if (ensureAvailable && !isCameraAvailable()) { if (ensureAvailable && !isCameraAvailable()) {
@ -104,7 +103,6 @@ public class Camera1Engine extends CameraEngine implements Camera.PreviewCallbac
@WorkerThread @WorkerThread
@Override @Override
protected Task<Void> onStartEngine() { protected Task<Void> onStartEngine() {
if (collectCameraId()) {
try { try {
mCamera = Camera.open(mCameraId); mCamera = Camera.open(mCameraId);
} catch (Exception e) { } catch (Exception e) {
@ -128,10 +126,6 @@ public class Camera1Engine extends CameraEngine implements Camera.PreviewCallbac
mCamera.setDisplayOrientation(offset(REF_SENSOR, REF_VIEW)); // <- not allowed during preview mCamera.setDisplayOrientation(offset(REF_SENSOR, REF_VIEW)); // <- not allowed during preview
LOG.i("onStartEngine:", "Ended"); LOG.i("onStartEngine:", "Ended");
return Tasks.forResult(null); return Tasks.forResult(null);
} else {
LOG.e("onStartEngine:", "No camera available for facing", mFacing);
throw new CameraException(CameraException.REASON_NO_CAMERA);
}
} }
@NonNull @NonNull
@ -269,9 +263,10 @@ public class Camera1Engine extends CameraEngine implements Camera.PreviewCallbac
restartPreview(); restartPreview();
} }
private boolean collectCameraId() { @Override
int internalFacing = mMapper.map(mFacing); protected boolean collectCameraInfo(@NonNull Facing facing) {
LOG.i("collectCameraId", "Facing:", mFacing, "Internal:", internalFacing, "Cameras:", Camera.getNumberOfCameras()); int internalFacing = mMapper.map(facing);
LOG.i("collectCameraInfo", "Facing:", facing, "Internal:", internalFacing, "Cameras:", Camera.getNumberOfCameras());
Camera.CameraInfo cameraInfo = new Camera.CameraInfo(); Camera.CameraInfo cameraInfo = new Camera.CameraInfo();
for (int i = 0, count = Camera.getNumberOfCameras(); i < count; i++) { for (int i = 0, count = Camera.getNumberOfCameras(); i < count; i++) {
Camera.getCameraInfo(i, cameraInfo); Camera.getCameraInfo(i, cameraInfo);
@ -284,6 +279,7 @@ public class Camera1Engine extends CameraEngine implements Camera.PreviewCallbac
return false; return false;
} }
@Override @Override
public void onBufferAvailable(@NonNull byte[] buffer) { public void onBufferAvailable(@NonNull byte[] buffer) {
// TODO: sync with handler? // TODO: sync with handler?
@ -350,24 +346,6 @@ public class Camera1Engine extends CameraEngine implements Camera.PreviewCallbac
return true; return true;
} }
@Override
public void setFacing(@NonNull Facing facing) {
final Facing old = mFacing;
if (facing != old) {
mFacing = facing;
schedule(null, true, new Runnable() {
@Override
public void run() {
if (collectCameraId()) {
restart();
} else {
mFacing = old;
}
}
});
}
}
@Override @Override
public void setWhiteBalance(@NonNull WhiteBalance whiteBalance) { public void setWhiteBalance(@NonNull WhiteBalance whiteBalance) {
final WhiteBalance old = mWhiteBalance; final WhiteBalance old = mWhiteBalance;
@ -434,18 +412,6 @@ public class Camera1Engine extends CameraEngine implements Camera.PreviewCallbac
return false; return false;
} }
@Override
public void setAudio(@NonNull Audio audio) {
if (mAudio != audio) {
if (isTakingVideo()) {
LOG.w("Audio setting was changed while recording. " +
"Changes will take place starting from next video");
}
mAudio = audio;
}
}
@Override @Override
public void setFlash(@NonNull Flash flash) { public void setFlash(@NonNull Flash flash) {
final Flash old = mFlash; final Flash old = mFlash;
@ -500,24 +466,6 @@ public class Camera1Engine extends CameraEngine implements Camera.PreviewCallbac
// ----------------- // -----------------
// Picture recording stuff. // Picture recording stuff.
@Override
public void onPictureShutter(boolean didPlaySound) {
mCallback.onShutter(!didPlaySound);
}
@Override
public void onPictureResult(@Nullable PictureResult.Stub result) {
mPictureRecorder = null;
if (result != null) {
mCallback.dispatchOnPictureTaken(result);
} else {
// Something went wrong.
mCallback.dispatchError(new CameraException(CameraException.REASON_PICTURE_FAILED));
LOG.e("onPictureResult", "result is null: something went wrong.");
}
}
@Override @Override
public void takePicture(final @NonNull PictureResult.Stub stub) { public void takePicture(final @NonNull PictureResult.Stub stub) {
LOG.v("takePicture: scheduling"); LOG.v("takePicture: scheduling");
@ -543,34 +491,19 @@ public class Camera1Engine extends CameraEngine implements Camera.PreviewCallbac
}); });
} }
/** @WorkerThread
* Just a note about the snapshot size - it is the PreviewStreamSize, cropped with the view ratio.
* @param viewAspectRatio the view aspect ratio
*/
@Override
public void takePictureSnapshot(final @NonNull PictureResult.Stub stub, @NonNull final AspectRatio viewAspectRatio) {
LOG.v("takePictureSnapshot: scheduling");
schedule(null, true, new Runnable() {
@Override @Override
public void run() { protected void onTakePictureSnapshot(@NonNull PictureResult.Stub stub, @NonNull AspectRatio viewAspectRatio) {
LOG.v("takePictureSnapshot: performing.", isTakingPicture());
if (isTakingPicture()) return;
stub.location = mLocation;
stub.isSnapshot = true;
stub.facing = mFacing;
stub.size = getUncroppedSnapshotSize(REF_OUTPUT); // Not the real size: it will be cropped to match the view ratio stub.size = getUncroppedSnapshotSize(REF_OUTPUT); // Not the real size: it will be cropped to match the view ratio
stub.rotation = offset(REF_SENSOR, REF_OUTPUT); // Actually it will be rotated and set to 0. stub.rotation = offset(REF_SENSOR, REF_OUTPUT); // Actually it will be rotated and set to 0.
AspectRatio outputRatio = flip(REF_OUTPUT, REF_VIEW) ? viewAspectRatio.flip() : viewAspectRatio; AspectRatio outputRatio = flip(REF_OUTPUT, REF_VIEW) ? viewAspectRatio.flip() : viewAspectRatio;
LOG.v("Rotations", "SV", offset(REF_SENSOR, REF_VIEW), "VS", offset(REF_VIEW, REF_SENSOR)); if (mPreview instanceof GlCameraPreview && Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
LOG.v("Rotations", "SO", offset(REF_SENSOR, REF_OUTPUT), "OS", offset(REF_OUTPUT, REF_SENSOR)); mPictureRecorder = new SnapshotGlPictureRecorder(stub, this, (GlCameraPreview) mPreview, outputRatio);
LOG.v("Rotations", "VO", offset(REF_VIEW, REF_OUTPUT), "OV", offset(REF_OUTPUT, REF_VIEW)); } else {
mPictureRecorder = new Snapshot1PictureRecorder(stub, this, mCamera, outputRatio);
mPictureRecorder = new SnapshotPictureRecorder(stub, Camera1Engine.this, mPreview, mCamera, outputRatio);
mPictureRecorder.take();
} }
}); mPictureRecorder.take();
} }
@Override @Override
@ -588,12 +521,8 @@ public class Camera1Engine extends CameraEngine implements Camera.PreviewCallbac
@Override @Override
public void onVideoResult(@Nullable VideoResult.Stub result, @Nullable Exception exception) { public void onVideoResult(@Nullable VideoResult.Stub result, @Nullable Exception exception) {
mVideoRecorder = null; if (result == null) {
if (result != null) {
mCallback.dispatchOnVideoTaken(result);
} else {
// Something went wrong, lock the camera again. // Something went wrong, lock the camera again.
mCallback.dispatchError(new CameraException(exception, CameraException.REASON_VIDEO_FAILED));
mCamera.lock(); mCamera.lock();
} }
} }
@ -639,37 +568,19 @@ public class Camera1Engine extends CameraEngine implements Camera.PreviewCallbac
}); });
} }
/**
* @param file the output file
* @param viewAspectRatio the view aspect ratio
*/
@SuppressLint("NewApi") @SuppressLint("NewApi")
@WorkerThread
@Override @Override
public void takeVideoSnapshot(final @NonNull VideoResult.Stub stub, @NonNull final File file, @NonNull final AspectRatio viewAspectRatio) { protected void onTakeVideoSnapshot(@NonNull VideoResult.Stub stub, @NonNull File file, @NonNull AspectRatio viewAspectRatio) {
if (!(mPreview instanceof GlCameraPreview)) { if (!(mPreview instanceof GlCameraPreview)) {
throw new IllegalStateException("Video snapshots are only supported with GlCameraPreview."); throw new IllegalStateException("Video snapshots are only supported with GlCameraPreview.");
} }
if (Build.VERSION.SDK_INT < Build.VERSION_CODES.JELLY_BEAN_MR2) { if (Build.VERSION.SDK_INT < Build.VERSION_CODES.JELLY_BEAN_MR2) {
throw new IllegalStateException("Video snapshots are only supported starting from API 18."); throw new IllegalStateException("Video snapshots are only supported starting from API 18.");
} }
schedule(mStartVideoOp, true, new Runnable() { GlCameraPreview glPreview = (GlCameraPreview) mPreview;
@Override
public void run() {
if (isTakingVideo()) return;
// Create the video result stub // Size and rotation turned out to be extremely tricky. In case of Snapshot1PictureRecorder
stub.file = file;
stub.isSnapshot = true;
stub.videoCodec = mVideoCodec;
stub.location = mLocation;
stub.facing = mFacing;
stub.videoBitRate = mVideoBitRate;
stub.audioBitRate = mAudioBitRate;
stub.audio = mAudio;
stub.maxSize = mVideoMaxSize;
stub.maxDuration = mVideoMaxDuration;
// Size and rotation turned out to be extremely tricky. In case of SnapshotPictureRecorder
// we use the preview size in REF_OUTPUT (cropped) and offset(REF_SENSOR, REF_OUTPUT) as rotation. // we use the preview size in REF_OUTPUT (cropped) and offset(REF_SENSOR, REF_OUTPUT) as rotation.
// These values mean that we expect input to be in the REF_SENSOR system. // These values mean that we expect input to be in the REF_SENSOR system.
@ -716,27 +627,9 @@ public class Camera1Engine extends CameraEngine implements Camera.PreviewCallbac
// Reset facing and start. // Reset facing and start.
mFacing = realFacing; mFacing = realFacing;
GlCameraPreview cameraPreview = (GlCameraPreview) mPreview; mVideoRecorder = new SnapshotVideoRecorder(stub, Camera1Engine.this, glPreview);
mVideoRecorder = new SnapshotVideoRecorder(stub,
Camera1Engine.this, Camera1Engine.this, cameraPreview);
mVideoRecorder.start(); mVideoRecorder.start();
} }
});
}
@Override
public void stopVideo() {
schedule(null, false, new Runnable() {
@Override
public void run() {
LOG.i("stopVideo", "mVideoRecorder is null?", mVideoRecorder == null);
if (mVideoRecorder != null) {
mVideoRecorder.stop();
mVideoRecorder = null;
}
}
});
}
// ----------------- // -----------------
// Zoom and simpler stuff. // Zoom and simpler stuff.

145
cameraview/src/main/java/com/otaliastudios/cameraview/engine/Camera2Engine.java
Unescape View File

@ -3,6 +3,7 @@ package com.otaliastudios.cameraview.engine;
import android.annotation.SuppressLint; import android.annotation.SuppressLint;
import android.content.Context; import android.content.Context;
import android.graphics.PointF; import android.graphics.PointF;
import android.graphics.Rect;
import android.graphics.SurfaceTexture; import android.graphics.SurfaceTexture;
import android.hardware.camera2.CameraAccessException; import android.hardware.camera2.CameraAccessException;
import android.hardware.camera2.CameraCaptureSession; import android.hardware.camera2.CameraCaptureSession;
@ -32,9 +33,14 @@ import com.otaliastudios.cameraview.controls.Hdr;
import com.otaliastudios.cameraview.controls.Mode; import com.otaliastudios.cameraview.controls.Mode;
import com.otaliastudios.cameraview.controls.WhiteBalance; import com.otaliastudios.cameraview.controls.WhiteBalance;
import com.otaliastudios.cameraview.gesture.Gesture; import com.otaliastudios.cameraview.gesture.Gesture;
import com.otaliastudios.cameraview.internal.utils.CropHelper;
import com.otaliastudios.cameraview.internal.utils.Op; import com.otaliastudios.cameraview.internal.utils.Op;
import com.otaliastudios.cameraview.picture.Snapshot1PictureRecorder;
import com.otaliastudios.cameraview.picture.SnapshotGlPictureRecorder;
import com.otaliastudios.cameraview.preview.GlCameraPreview;
import com.otaliastudios.cameraview.size.AspectRatio; import com.otaliastudios.cameraview.size.AspectRatio;
import com.otaliastudios.cameraview.size.Size; import com.otaliastudios.cameraview.size.Size;
import com.otaliastudios.cameraview.video.SnapshotVideoRecorder;
import java.io.File; import java.io.File;
import java.util.ArrayList; import java.util.ArrayList;
@ -48,7 +54,9 @@ import androidx.annotation.Nullable;
import androidx.annotation.RequiresApi; import androidx.annotation.RequiresApi;
import androidx.annotation.WorkerThread; import androidx.annotation.WorkerThread;
// TODO parameters
// TODO pictures
// TODO videos
@RequiresApi(Build.VERSION_CODES.LOLLIPOP) @RequiresApi(Build.VERSION_CODES.LOLLIPOP)
public class Camera2Engine extends CameraEngine { public class Camera2Engine extends CameraEngine {
@ -68,23 +76,7 @@ public class Camera2Engine extends CameraEngine {
mManager = (CameraManager) mCallback.getContext().getSystemService(Context.CAMERA_SERVICE); mManager = (CameraManager) mCallback.getContext().getSystemService(Context.CAMERA_SERVICE);
} }
private boolean isCameraAvailable() { //region Utilities
return getEngineState() == STATE_STARTED;
}
private void schedule(@Nullable final Op<Void> op, final boolean ensureAvailable, final Runnable action) {
mHandler.post(new Runnable() {
@Override
public void run() {
if (ensureAvailable && !isCameraAvailable()) {
if (op != null) op.end(null);
} else {
action.run();
if (op != null) op.end(null);
}
}
});
}
@NonNull @NonNull
private <T> T readCharacteristic(@NonNull CameraCharacteristics characteristics, private <T> T readCharacteristic(@NonNull CameraCharacteristics characteristics,
@ -122,6 +114,10 @@ public class Camera2Engine extends CameraEngine {
return new CameraException(reason); return new CameraException(reason);
} }
//endregion
//region Protected APIs
@NonNull @NonNull
@Override @Override
protected List<Size> getPreviewStreamAvailableSizes() { protected List<Size> getPreviewStreamAvailableSizes() {
@ -144,8 +140,15 @@ public class Camera2Engine extends CameraEngine {
} }
} }
private boolean collectCameraId() { @WorkerThread
int internalFacing = mMapper.map(mFacing); @Override
protected void onPreviewStreamSizeChanged() {
restartBind();
}
@Override
protected boolean collectCameraInfo(@NonNull Facing facing) {
int internalFacing = mMapper.map(facing);
String[] cameraIds = null; String[] cameraIds = null;
try { try {
cameraIds = mManager.getCameraIdList(); cameraIds = mManager.getCameraIdList();
@ -154,7 +157,7 @@ public class Camera2Engine extends CameraEngine {
// However, let's launch an unrecoverable exception. // However, let's launch an unrecoverable exception.
throw createCameraException(e); throw createCameraException(e);
} }
LOG.i("collectCameraId", "Facing:", mFacing, "Internal:", internalFacing, "Cameras:", cameraIds.length); LOG.i("collectCameraInfo", "Facing:", facing, "Internal:", internalFacing, "Cameras:", cameraIds.length);
for (String cameraId : cameraIds) { for (String cameraId : cameraIds) {
try { try {
CameraCharacteristics characteristics = mManager.getCameraCharacteristics(cameraId); CameraCharacteristics characteristics = mManager.getCameraCharacteristics(cameraId);
@ -171,6 +174,9 @@ public class Camera2Engine extends CameraEngine {
return false; return false;
} }
//endregion
//region Start
@SuppressLint("MissingPermission") @SuppressLint("MissingPermission")
@NonNull @NonNull
@ -178,12 +184,6 @@ public class Camera2Engine extends CameraEngine {
protected Task<Void> onStartEngine() { protected Task<Void> onStartEngine() {
final TaskCompletionSource<Void> task = new TaskCompletionSource<>(); final TaskCompletionSource<Void> task = new TaskCompletionSource<>();
try { try {
boolean hasCamera = collectCameraId();
if (!hasCamera) {
LOG.e("onStartEngine:", "No camera available for facing", mFacing);
throw new CameraException(CameraException.REASON_NO_CAMERA);
}
// We have a valid camera for this Facing. Go on. // We have a valid camera for this Facing. Go on.
mManager.openCamera(mCameraId, new CameraDevice.StateCallback() { mManager.openCamera(mCameraId, new CameraDevice.StateCallback() {
@Override @Override
@ -340,6 +340,10 @@ public class Camera2Engine extends CameraEngine {
return Tasks.forResult(null); return Tasks.forResult(null);
} }
//endregion
//region Stop
@NonNull @NonNull
@Override @Override
protected Task<Void> onStopPreview() { protected Task<Void> onStopPreview() {
@ -394,12 +398,58 @@ public class Camera2Engine extends CameraEngine {
return Tasks.forResult(null); return Tasks.forResult(null);
} }
//endregion
//region Pictures
@WorkerThread @WorkerThread
@Override @Override
protected void onPreviewStreamSizeChanged() { protected void onTakePictureSnapshot(@NonNull PictureResult.Stub stub, @NonNull AspectRatio viewAspectRatio) {
restartBind(); stub.size = getUncroppedSnapshotSize(REF_OUTPUT); // Not the real size: it will be cropped to match the view ratio
stub.rotation = offset(REF_SENSOR, REF_OUTPUT); // Actually it will be rotated and set to 0.
AspectRatio outputRatio = flip(REF_OUTPUT, REF_VIEW) ? viewAspectRatio.flip() : viewAspectRatio;
if (mPreview instanceof GlCameraPreview) {
mPictureRecorder = new SnapshotGlPictureRecorder(stub, this, (GlCameraPreview) mPreview, outputRatio);
} else {
throw new RuntimeException("takePictureSnapshot with Camera2 is only supported with Preview.GL_SURFACE");
}
mPictureRecorder.take();
}
//endregion
//region Videos
/**
* See {@link Camera1Engine#onTakeVideoSnapshot(VideoResult.Stub, File, AspectRatio)}
* to read about the size and rotation computation.
*/
@WorkerThread
@Override
protected void onTakeVideoSnapshot(@NonNull VideoResult.Stub stub, @NonNull File file, @NonNull AspectRatio viewAspectRatio) {
if (!(mPreview instanceof GlCameraPreview)) {
throw new IllegalStateException("Video snapshots are only supported with GlCameraPreview.");
}
GlCameraPreview glPreview = (GlCameraPreview) mPreview;
Facing realFacing = mFacing;
mFacing = Facing.BACK;
Size outputSize = getUncroppedSnapshotSize(REF_OUTPUT);
if (outputSize == null) {
throw new IllegalStateException("outputSize should not be null.");
}
AspectRatio outputRatio = flip(REF_OUTPUT, REF_VIEW) ? viewAspectRatio.flip() : viewAspectRatio;
Rect outputCrop = CropHelper.computeCrop(outputSize, outputRatio);
outputSize = new Size(outputCrop.width(), outputCrop.height());
stub.size = outputSize;
stub.rotation = offset(REF_VIEW, REF_OUTPUT);
// Reset facing and start.
mFacing = realFacing;
mVideoRecorder = new SnapshotVideoRecorder(stub, this, glPreview);
mVideoRecorder.start();
} }
//endregion
@ -422,24 +472,6 @@ public class Camera2Engine extends CameraEngine {
} }
@Override
public void setFacing(@NonNull Facing facing) {
final Facing old = mFacing;
if (facing != old) {
mFacing = facing;
schedule(null, true, new Runnable() {
@Override
public void run() {
if (collectCameraId()) {
restart();
} else {
mFacing = old;
}
}
});
}
}
@Override @Override
public void setZoom(float zoom, @Nullable PointF[] points, boolean notify) { public void setZoom(float zoom, @Nullable PointF[] points, boolean notify) {
@ -470,36 +502,17 @@ public class Camera2Engine extends CameraEngine {
} }
@Override
public void setAudio(@NonNull Audio audio) {
}
@Override @Override
public void takePicture(@NonNull PictureResult.Stub stub) { public void takePicture(@NonNull PictureResult.Stub stub) {
} }
@Override
public void takePictureSnapshot(@NonNull PictureResult.Stub stub, @NonNull AspectRatio viewAspectRatio) {
}
@Override @Override
public void takeVideo(@NonNull VideoResult.Stub stub, @NonNull File file) { public void takeVideo(@NonNull VideoResult.Stub stub, @NonNull File file) {
} }
@Override
public void takeVideoSnapshot(@NonNull VideoResult.Stub stub, @NonNull File file, @NonNull AspectRatio viewAspectRatio) {
}
@Override
public void stopVideo() {
}
@Override @Override
public void startAutoFocus(@Nullable Gesture gesture, @NonNull PointF point) { public void startAutoFocus(@Nullable Gesture gesture, @NonNull PointF point) {

199
cameraview/src/main/java/com/otaliastudios/cameraview/engine/CameraEngine.java
Unescape View File

@ -1,10 +1,13 @@
package com.otaliastudios.cameraview.engine; package com.otaliastudios.cameraview.engine;
import android.annotation.SuppressLint;
import android.content.Context; import android.content.Context;
import android.graphics.PointF; import android.graphics.PointF;
import android.graphics.Rect;
import android.location.Location; import android.location.Location;
import android.os.Build;
import android.os.Handler; import android.os.Handler;
import android.os.Looper; import android.os.Looper;
@ -22,9 +25,12 @@ import com.otaliastudios.cameraview.PictureResult;
import com.otaliastudios.cameraview.VideoResult; import com.otaliastudios.cameraview.VideoResult;
import com.otaliastudios.cameraview.frame.Frame; import com.otaliastudios.cameraview.frame.Frame;
import com.otaliastudios.cameraview.frame.FrameManager; import com.otaliastudios.cameraview.frame.FrameManager;
import com.otaliastudios.cameraview.internal.utils.CropHelper;
import com.otaliastudios.cameraview.internal.utils.Op; import com.otaliastudios.cameraview.internal.utils.Op;
import com.otaliastudios.cameraview.internal.utils.WorkerHandler; import com.otaliastudios.cameraview.internal.utils.WorkerHandler;
import com.otaliastudios.cameraview.picture.PictureRecorder; import com.otaliastudios.cameraview.picture.PictureRecorder;
import com.otaliastudios.cameraview.picture.Snapshot1PictureRecorder;
import com.otaliastudios.cameraview.picture.SnapshotGlPictureRecorder;
import com.otaliastudios.cameraview.preview.CameraPreview; import com.otaliastudios.cameraview.preview.CameraPreview;
import com.otaliastudios.cameraview.controls.Audio; import com.otaliastudios.cameraview.controls.Audio;
import com.otaliastudios.cameraview.controls.Facing; import com.otaliastudios.cameraview.controls.Facing;
@ -34,10 +40,12 @@ import com.otaliastudios.cameraview.controls.Hdr;
import com.otaliastudios.cameraview.controls.Mode; import com.otaliastudios.cameraview.controls.Mode;
import com.otaliastudios.cameraview.controls.VideoCodec; import com.otaliastudios.cameraview.controls.VideoCodec;
import com.otaliastudios.cameraview.controls.WhiteBalance; import com.otaliastudios.cameraview.controls.WhiteBalance;
import com.otaliastudios.cameraview.preview.GlCameraPreview;
import com.otaliastudios.cameraview.size.AspectRatio; import com.otaliastudios.cameraview.size.AspectRatio;
import com.otaliastudios.cameraview.size.Size; import com.otaliastudios.cameraview.size.Size;
import com.otaliastudios.cameraview.size.SizeSelector; import com.otaliastudios.cameraview.size.SizeSelector;
import com.otaliastudios.cameraview.size.SizeSelectors; import com.otaliastudios.cameraview.size.SizeSelectors;
import com.otaliastudios.cameraview.video.SnapshotVideoRecorder;
import com.otaliastudios.cameraview.video.VideoRecorder; import com.otaliastudios.cameraview.video.VideoRecorder;
import androidx.annotation.NonNull; import androidx.annotation.NonNull;
@ -115,7 +123,9 @@ import java.util.concurrent.Executor;
*/ */
public abstract class CameraEngine implements public abstract class CameraEngine implements
CameraPreview.SurfaceCallback, CameraPreview.SurfaceCallback,
FrameManager.BufferCallback { FrameManager.BufferCallback,
PictureRecorder.PictureResultListener,
VideoRecorder.VideoResultListener {
public interface Callback { public interface Callback {
@NonNull Context getContext(); @NonNull Context getContext();
@ -213,8 +223,7 @@ public abstract class CameraEngine implements
Op<Void> mHdrOp = new Op<>(); Op<Void> mHdrOp = new Op<>();
@VisibleForTesting(otherwise = VisibleForTesting.PROTECTED) @VisibleForTesting(otherwise = VisibleForTesting.PROTECTED)
Op<Void> mLocationOp = new Op<>(); Op<Void> mLocationOp = new Op<>();
@VisibleForTesting(otherwise = VisibleForTesting.PROTECTED) @VisibleForTesting Op<Void> mStartVideoOp = new Op<>();
Op<Void> mStartVideoOp = new Op<>();
@VisibleForTesting(otherwise = VisibleForTesting.PROTECTED) @VisibleForTesting(otherwise = VisibleForTesting.PROTECTED)
Op<Void> mPlaySoundsOp = new Op<>(); Op<Void> mPlaySoundsOp = new Op<>();
@ -368,6 +377,10 @@ public abstract class CameraEngine implements
mEngineStep.doStart(false, new Callable<Task<Void>>() { mEngineStep.doStart(false, new Callable<Task<Void>>() {
@Override @Override
public Task<Void> call() { public Task<Void> call() {
if (!collectCameraInfo(mFacing)) {
LOG.e("onStartEngine:", "No camera available for facing", mFacing);
throw new CameraException(CameraException.REASON_NO_CAMERA);
}
return onStartEngine(); return onStartEngine();
} }
}, new Runnable() { }, new Runnable() {
@ -470,7 +483,7 @@ public abstract class CameraEngine implements
@SuppressWarnings("WeakerAccess") @SuppressWarnings("WeakerAccess")
protected void restartBind() { protected void restartBind() {
LOG.i("restartPreviewAndBind", "posting."); LOG.i("restartPreviewAndBind", "posting.");
mHandler.post(new Runnable() { mHandler.run(new Runnable() {
@Override @Override
public void run() { public void run() {
LOG.i("restartPreviewAndBind", "executing."); LOG.i("restartPreviewAndBind", "executing.");
@ -533,7 +546,7 @@ public abstract class CameraEngine implements
@SuppressWarnings("WeakerAccess") @SuppressWarnings("WeakerAccess")
protected void restartPreview() { protected void restartPreview() {
LOG.i("restartPreview", "posting."); LOG.i("restartPreview", "posting.");
mHandler.post(new Runnable() { mHandler.run(new Runnable() {
@Override @Override
public void run() { public void run() {
LOG.i("restartPreview", "executing."); LOG.i("restartPreview", "executing.");
@ -572,7 +585,7 @@ public abstract class CameraEngine implements
@Override @Override
public final void onSurfaceAvailable() { public final void onSurfaceAvailable() {
LOG.i("onSurfaceAvailable:", "Size is", getPreviewSurfaceSize(REF_VIEW)); LOG.i("onSurfaceAvailable:", "Size is", getPreviewSurfaceSize(REF_VIEW));
mHandler.post(new Runnable() { mHandler.run(new Runnable() {
@Override @Override
public void run() { public void run() {
startBind().onSuccessTask(mHandler.getExecutor(), new SuccessContinuation<Void, Void>() { startBind().onSuccessTask(mHandler.getExecutor(), new SuccessContinuation<Void, Void>() {
@ -589,7 +602,7 @@ public abstract class CameraEngine implements
@Override @Override
public final void onSurfaceChanged() { public final void onSurfaceChanged() {
LOG.i("onSurfaceChanged:", "Size is", getPreviewSurfaceSize(REF_VIEW), "Posting."); LOG.i("onSurfaceChanged:", "Size is", getPreviewSurfaceSize(REF_VIEW), "Posting.");
mHandler.post(new Runnable() { mHandler.run(new Runnable() {
@Override @Override
public void run() { public void run() {
LOG.i("onSurfaceChanged:", LOG.i("onSurfaceChanged:",
@ -620,7 +633,7 @@ public abstract class CameraEngine implements
@Override @Override
public final void onSurfaceDestroyed() { public final void onSurfaceDestroyed() {
LOG.i("onSurfaceDestroyed"); LOG.i("onSurfaceDestroyed");
mHandler.post(new Runnable() { mHandler.run(new Runnable() {
@Override @Override
public void run() { public void run() {
stopPreview(false).onSuccessTask(mHandler.getExecutor(), new SuccessContinuation<Void, Void>() { stopPreview(false).onSuccessTask(mHandler.getExecutor(), new SuccessContinuation<Void, Void>() {
@ -675,7 +688,7 @@ public abstract class CameraEngine implements
public Task<Void> start() { public Task<Void> start() {
LOG.i("Start:", "posting runnable. State:", getEngineStateName()); LOG.i("Start:", "posting runnable. State:", getEngineStateName());
final TaskCompletionSource<Void> outTask = new TaskCompletionSource<>(); final TaskCompletionSource<Void> outTask = new TaskCompletionSource<>();
mHandler.post(new Runnable() { mHandler.run(new Runnable() {
@Override @Override
public void run() { public void run() {
LOG.i("Start:", "executing runnable. State:", getEngineStateName()); LOG.i("Start:", "executing runnable. State:", getEngineStateName());
@ -722,7 +735,7 @@ public abstract class CameraEngine implements
private Task<Void> stop(final boolean swallowExceptions) { private Task<Void> stop(final boolean swallowExceptions) {
LOG.i("Stop:", "posting runnable. State:", getEngineStateName()); LOG.i("Stop:", "posting runnable. State:", getEngineStateName());
final TaskCompletionSource<Void> outTask = new TaskCompletionSource<>(); final TaskCompletionSource<Void> outTask = new TaskCompletionSource<>();
mHandler.post(new Runnable() { mHandler.run(new Runnable() {
@Override @Override
public void run() { public void run() {
LOG.i("Stop:", "executing runnable. State:", getEngineStateName()); LOG.i("Stop:", "executing runnable. State:", getEngineStateName());
@ -765,7 +778,7 @@ public abstract class CameraEngine implements
//endregion //endregion
//region Simple setters //region final setters
// This is called before start() and never again. // This is called before start() and never again.
public final void setDisplayOffset(int displayOffset) { public final void setDisplayOffset(int displayOffset) {
@ -819,15 +832,61 @@ public abstract class CameraEngine implements
public final void setAutoFocusResetDelay(long delayMillis) { mAutoFocusResetDelayMillis = delayMillis; } public final void setAutoFocusResetDelay(long delayMillis) { mAutoFocusResetDelayMillis = delayMillis; }
/**
* Sets a new facing value. This will restart the session (if there's any)
* so that we can open the new facing camera.
* @param facing facing
*/
public final void setFacing(final @NonNull Facing facing) {
final Facing old = mFacing;
if (facing != old) {
mFacing = facing;
mHandler.run(new Runnable() {
@Override
public void run() {
if (getEngineState() < STATE_STARTED) return;
if (collectCameraInfo(facing)) {
restart();
} else {
mFacing = old;
}
}
});
}
}
/**
* Sets a new audio value that will be used for video recordings.
* @param audio desired audio
*/
public final void setAudio(@NonNull Audio audio) {
if (mAudio != audio) {
if (isTakingVideo()) {
LOG.w("Audio setting was changed while recording. " +
"Changes will take place starting from next video");
}
mAudio = audio;
}
}
//endregion //endregion
//region Abstract setters and APIs //region Abstract setters and APIs
// Should restart the session if active. /**
public abstract void setMode(@NonNull Mode mode); * Camera is about to be opened. Implementors should look into available cameras
* and see if anyone matches the given {@link Facing value}.
*
* If so, implementors should set {@link #mSensorOffset} and any other information
* (like camera ID) needed to start teh engine.
*
* @param facing the facing value
* @return true if we have one
*/
protected abstract boolean collectCameraInfo(@NonNull Facing facing);
// Should restart the session if active. // Should restart the session if active.
public abstract void setFacing(@NonNull Facing facing); public abstract void setMode(@NonNull Mode mode);
// If closed, no-op. If opened, check supported and apply. // If closed, no-op. If opened, check supported and apply.
public abstract void setZoom(float zoom, @Nullable PointF[] points, boolean notify); public abstract void setZoom(float zoom, @Nullable PointF[] points, boolean notify);
@ -847,22 +906,120 @@ public abstract class CameraEngine implements
// If closed, keep. If opened, check supported and apply. // If closed, keep. If opened, check supported and apply.
public abstract void setLocation(@Nullable Location location); public abstract void setLocation(@Nullable Location location);
// Just set. public abstract void startAutoFocus(@Nullable Gesture gesture, @NonNull PointF point);
public abstract void setAudio(@NonNull Audio audio);
public abstract void setPlaySounds(boolean playSounds);
//endregion
//region picture and video control
public abstract void takePicture(@NonNull PictureResult.Stub stub); public abstract void takePicture(@NonNull PictureResult.Stub stub);
public abstract void takePictureSnapshot(@NonNull PictureResult.Stub stub, @NonNull AspectRatio viewAspectRatio); /**
* The snapshot size is the {@link #getPreviewStreamSize(int)}, but cropped based on the
* view/surface aspect ratio.
* @param stub a picture stub
* @param viewAspectRatio the view aspect ratio
*/
public final void takePictureSnapshot(final @NonNull PictureResult.Stub stub, @NonNull final AspectRatio viewAspectRatio) {
LOG.v("takePictureSnapshot", "scheduling");
mHandler.run(new Runnable() {
@Override
public void run() {
LOG.v("takePictureSnapshot", "performing. Engine:", getEngineStateName(), "isTakingPicture:", isTakingPicture());
if (getEngineState() < STATE_STARTED) return;
if (isTakingPicture()) return;
stub.location = mLocation;
stub.isSnapshot = true;
stub.facing = mFacing;
// Leave the other parameters to subclasses.
LOG.v("takePictureSnapshot", "Rotations", "SV", offset(REF_SENSOR, REF_VIEW), "VS", offset(REF_VIEW, REF_SENSOR));
LOG.v("takePictureSnapshot", "Rotations", "SO", offset(REF_SENSOR, REF_OUTPUT), "OS", offset(REF_OUTPUT, REF_SENSOR));
LOG.v("takePictureSnapshot", "Rotations", "VO", offset(REF_VIEW, REF_OUTPUT), "OV", offset(REF_OUTPUT, REF_VIEW));
onTakePictureSnapshot(stub, viewAspectRatio);
}
});
}
@Override
public void onPictureShutter(boolean didPlaySound) {
mCallback.onShutter(!didPlaySound);
}
@Override
public void onPictureResult(@Nullable PictureResult.Stub result) {
mPictureRecorder = null;
if (result != null) {
mCallback.dispatchOnPictureTaken(result);
} else {
// Something went wrong.
LOG.e("onPictureResult", "result is null: something went wrong.");
mCallback.dispatchError(new CameraException(CameraException.REASON_PICTURE_FAILED));
}
}
public abstract void takeVideo(@NonNull VideoResult.Stub stub, @NonNull File file); public abstract void takeVideo(@NonNull VideoResult.Stub stub, @NonNull File file);
public abstract void takeVideoSnapshot(@NonNull VideoResult.Stub stub, @NonNull File file, @NonNull AspectRatio viewAspectRatio); /**
* @param stub a video stub
* @param file the output file
* @param viewAspectRatio the view aspect ratio
*/
public final void takeVideoSnapshot(final @NonNull VideoResult.Stub stub, @NonNull final File file, @NonNull final AspectRatio viewAspectRatio) {
LOG.v("takeVideoSnapshot", "scheduling");
mHandler.run(new Runnable() {
@Override
public void run() {
LOG.v("takeVideoSnapshot", "performing. Engine:", getEngineStateName(), "isTakingVideo:", isTakingVideo());
if (getEngineState() < STATE_STARTED) { mStartVideoOp.end(null); return; }
if (isTakingVideo()) { mStartVideoOp.end(null); return; }
stub.file = file;
stub.isSnapshot = true;
stub.videoCodec = mVideoCodec;
stub.location = mLocation;
stub.facing = mFacing;
stub.videoBitRate = mVideoBitRate;
stub.audioBitRate = mAudioBitRate;
stub.audio = mAudio;
stub.maxSize = mVideoMaxSize;
stub.maxDuration = mVideoMaxDuration;
onTakeVideoSnapshot(stub, file, viewAspectRatio);
mStartVideoOp.end(null);
}
});
}
public final void stopVideo() {
LOG.i("stopVideo", "posting");
mHandler.run(new Runnable() {
@Override
public void run() {
LOG.i("stopVideo", "executing.", "has recorder?", mVideoRecorder != null);
if (mVideoRecorder != null) {
mVideoRecorder.stop();
mVideoRecorder = null;
}
}
});
}
public abstract void stopVideo(); @Override
public void onVideoResult(@Nullable VideoResult.Stub result, @Nullable Exception exception) {
mVideoRecorder = null;
if (result != null) {
mCallback.dispatchOnVideoTaken(result);
} else {
LOG.e("onVideoResult", "result is null: something went wrong.", exception);
mCallback.dispatchError(new CameraException(exception, CameraException.REASON_VIDEO_FAILED));
}
}
public abstract void startAutoFocus(@Nullable Gesture gesture, @NonNull PointF point); @WorkerThread
protected abstract void onTakePictureSnapshot(@NonNull PictureResult.Stub stub, @NonNull AspectRatio viewAspectRatio);
public abstract void setPlaySounds(boolean playSounds); @WorkerThread
protected abstract void onTakeVideoSnapshot(@NonNull VideoResult.Stub stub, @NonNull File file, @NonNull AspectRatio viewAspectRatio);
//endregion //endregion

14
cameraview/src/main/java/com/otaliastudios/cameraview/internal/utils/WorkerHandler.java
Unescape View File

@ -55,7 +55,7 @@ public class WorkerHandler {
* *
* @param action the action * @param action the action
*/ */
public static void run(@NonNull Runnable action) { public static void execute(@NonNull Runnable action) {
get("FallbackCameraThread").post(action); get("FallbackCameraThread").post(action);
} }
@ -71,7 +71,7 @@ public class WorkerHandler {
mExecutor = new Executor() { mExecutor = new Executor() {
@Override @Override
public void execute(Runnable command) { public void execute(Runnable command) {
post(command); WorkerHandler.this.run(command);
} }
}; };
} }
@ -80,7 +80,7 @@ public class WorkerHandler {
* Post an action on this handler. * Post an action on this handler.
* @param runnable the action * @param runnable the action
*/ */
public void post(@NonNull Runnable runnable) { public void run(@NonNull Runnable runnable) {
if (Thread.currentThread() == getThread()) { if (Thread.currentThread() == getThread()) {
runnable.run(); runnable.run();
} else { } else {
@ -88,6 +88,14 @@ public class WorkerHandler {
} }
} }
/**
* Post an action on this handler.
* @param runnable the action
*/
public void post(@NonNull Runnable runnable) {
mHandler.post(runnable);
}
/** /**
* Post an action on this handler. * Post an action on this handler.
* @param delay the delay in millis * @param delay the delay in millis

119
cameraview/src/main/java/com/otaliastudios/cameraview/picture/Snapshot1PictureRecorder.java
Unescape View File

@ -0,0 +1,119 @@
package com.otaliastudios.cameraview.picture;
import android.annotation.TargetApi;
import android.graphics.Bitmap;
import android.graphics.ImageFormat;
import android.graphics.Rect;
import android.graphics.SurfaceTexture;
import android.graphics.YuvImage;
import android.hardware.Camera;
import android.opengl.EGL14;
import android.opengl.EGLContext;
import android.opengl.Matrix;
import android.os.Build;
import com.otaliastudios.cameraview.CameraLogger;
import com.otaliastudios.cameraview.PictureResult;
import com.otaliastudios.cameraview.controls.Facing;
import com.otaliastudios.cameraview.engine.Camera1Engine;
import com.otaliastudios.cameraview.engine.CameraEngine;
import com.otaliastudios.cameraview.internal.egl.EglCore;
import com.otaliastudios.cameraview.internal.egl.EglViewport;
import com.otaliastudios.cameraview.internal.egl.EglWindowSurface;
import com.otaliastudios.cameraview.internal.utils.CropHelper;
import com.otaliastudios.cameraview.internal.utils.RotationHelper;
import com.otaliastudios.cameraview.internal.utils.WorkerHandler;
import com.otaliastudios.cameraview.preview.CameraPreview;
import com.otaliastudios.cameraview.preview.GlCameraPreview;
import com.otaliastudios.cameraview.preview.RendererFrameCallback;
import com.otaliastudios.cameraview.preview.RendererThread;
import com.otaliastudios.cameraview.size.AspectRatio;
import com.otaliastudios.cameraview.size.Size;
import androidx.annotation.NonNull;
import java.io.ByteArrayOutputStream;
/**
* A {@link PictureRecorder} that uses standard APIs.
*/
public class Snapshot1PictureRecorder extends PictureRecorder {
private static final String TAG = Snapshot1PictureRecorder.class.getSimpleName();
private static final CameraLogger LOG = CameraLogger.create(TAG);
private Camera1Engine mEngine1;
private Camera mCamera;
private AspectRatio mOutputRatio;
private int mFormat;
/**
* Camera1 constructor.
*/
public Snapshot1PictureRecorder(
@NonNull PictureResult.Stub stub,
@NonNull Camera1Engine engine,
@NonNull Camera camera,
@NonNull AspectRatio outputRatio) {
super(stub, engine);
mEngine1 = engine;
mCamera = camera;
mOutputRatio = outputRatio;
mFormat = engine.getPreviewStreamFormat();
}
@Override
public void take() {
mCamera.setOneShotPreviewCallback(new Camera.PreviewCallback() {
@Override
public void onPreviewFrame(@NonNull final byte[] yuv, Camera camera) {
dispatchOnShutter(false);
// Got to rotate the preview frame, since byte[] data here does not include
// EXIF tags automatically set by camera. So either we add EXIF, or we rotate.
// Adding EXIF to a byte array, unfortunately, is hard.
final int sensorToOutput = mResult.rotation;
final Size outputSize = mResult.size;
final Size previewStreamSize = mEngine1.getPreviewStreamSize(CameraEngine.REF_SENSOR);
if (previewStreamSize == null) {
throw new IllegalStateException("Preview stream size should never be null here.");
}
WorkerHandler.execute(new Runnable() {
@Override
public void run() {
// Rotate the picture, because no one will write EXIF data,
// then crop if needed. In both cases, transform yuv to jpeg.
//noinspection deprecation
byte[] data = RotationHelper.rotate(yuv, previewStreamSize, sensorToOutput);
YuvImage yuv = new YuvImage(data, mFormat, outputSize.getWidth(), outputSize.getHeight(), null);
ByteArrayOutputStream stream = new ByteArrayOutputStream();
Rect outputRect = CropHelper.computeCrop(outputSize, mOutputRatio);
yuv.compressToJpeg(outputRect, 90, stream);
data = stream.toByteArray();
mResult.data = data;
mResult.size = new Size(outputRect.width(), outputRect.height());
mResult.rotation = 0;
mResult.format = PictureResult.FORMAT_JPEG;
dispatchResult();
}
});
// It seems that the buffers are already cleared here, so we need to allocate again.
camera.setPreviewCallbackWithBuffer(null); // Release anything left
camera.setPreviewCallbackWithBuffer(mEngine1); // Add ourselves
mEngine1.getFrameManager().setUp(ImageFormat.getBitsPerPixel(mFormat), previewStreamSize);
}
});
}
@Override
protected void dispatchResult() {
mEngine1 = null;
mCamera = null;
mOutputRatio = null;
mFormat = 0;
super.dispatchResult();
}
}

99
cameraview/src/main/java/com/otaliastudios/cameraview/picture/SnapshotPictureRecorder.java → cameraview/src/main/java/com/otaliastudios/cameraview/picture/SnapshotGlPictureRecorder.java
Unescape View File

@ -2,10 +2,8 @@ package com.otaliastudios.cameraview.picture;
import android.annotation.TargetApi; import android.annotation.TargetApi;
import android.graphics.Bitmap; import android.graphics.Bitmap;
import android.graphics.ImageFormat;
import android.graphics.Rect; import android.graphics.Rect;
import android.graphics.SurfaceTexture; import android.graphics.SurfaceTexture;
import android.graphics.YuvImage;
import android.hardware.Camera; import android.hardware.Camera;
import android.opengl.EGL14; import android.opengl.EGL14;
import android.opengl.EGLContext; import android.opengl.EGLContext;
@ -21,7 +19,6 @@ import com.otaliastudios.cameraview.internal.egl.EglCore;
import com.otaliastudios.cameraview.internal.egl.EglViewport; import com.otaliastudios.cameraview.internal.egl.EglViewport;
import com.otaliastudios.cameraview.internal.egl.EglWindowSurface; import com.otaliastudios.cameraview.internal.egl.EglWindowSurface;
import com.otaliastudios.cameraview.internal.utils.CropHelper; import com.otaliastudios.cameraview.internal.utils.CropHelper;
import com.otaliastudios.cameraview.internal.utils.RotationHelper;
import com.otaliastudios.cameraview.internal.utils.WorkerHandler; import com.otaliastudios.cameraview.internal.utils.WorkerHandler;
import com.otaliastudios.cameraview.preview.CameraPreview; import com.otaliastudios.cameraview.preview.CameraPreview;
import com.otaliastudios.cameraview.preview.GlCameraPreview; import com.otaliastudios.cameraview.preview.GlCameraPreview;
@ -32,51 +29,31 @@ import com.otaliastudios.cameraview.size.Size;
import androidx.annotation.NonNull; import androidx.annotation.NonNull;
import java.io.ByteArrayOutputStream;
/** public class SnapshotGlPictureRecorder extends PictureRecorder {
* A {@link PictureResult} that uses standard APIs.
*/
public class SnapshotPictureRecorder extends PictureRecorder {
private static final String TAG = SnapshotPictureRecorder.class.getSimpleName(); private static final String TAG = SnapshotGlPictureRecorder.class.getSimpleName();
private static final CameraLogger LOG = CameraLogger.create(TAG); private static final CameraLogger LOG = CameraLogger.create(TAG);
private Camera1Engine mEngine1; private CameraEngine mEngine;
private Camera mCamera; private GlCameraPreview mPreview;
private CameraPreview mPreview;
private AspectRatio mOutputRatio; private AspectRatio mOutputRatio;
private int mFormat;
/** public SnapshotGlPictureRecorder(
* Camera1 constructor.
*/
public SnapshotPictureRecorder(
@NonNull PictureResult.Stub stub, @NonNull PictureResult.Stub stub,
@NonNull Camera1Engine engine, @NonNull CameraEngine engine,
@NonNull CameraPreview preview, @NonNull GlCameraPreview preview,
@NonNull Camera camera,
@NonNull AspectRatio outputRatio) { @NonNull AspectRatio outputRatio) {
super(stub, engine); super(stub, engine);
mEngine1 = engine; mEngine = engine;
mPreview = preview; mPreview = preview;
mCamera = camera;
mOutputRatio = outputRatio; mOutputRatio = outputRatio;
mFormat = engine.getPreviewStreamFormat();
} }
@TargetApi(Build.VERSION_CODES.KITKAT)
@Override @Override
public void take() { public void take() {
if (mPreview instanceof GlCameraPreview && Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) { mPreview.addRendererFrameCallback(new RendererFrameCallback() {
takeGl((GlCameraPreview) mPreview);
} else {
takeLegacy();
}
}
@TargetApi(Build.VERSION_CODES.KITKAT)
private void takeGl(@NonNull final GlCameraPreview preview) {
preview.addRendererFrameCallback(new RendererFrameCallback() {
int mTextureId; int mTextureId;
SurfaceTexture mSurfaceTexture; SurfaceTexture mSurfaceTexture;
@ -96,7 +73,7 @@ public class SnapshotPictureRecorder extends PictureRecorder {
@RendererThread @RendererThread
@Override @Override
public void onRendererFrame(@NonNull SurfaceTexture surfaceTexture, final float scaleX, final float scaleY) { public void onRendererFrame(@NonNull SurfaceTexture surfaceTexture, final float scaleX, final float scaleY) {
preview.removeRendererFrameCallback(this); mPreview.removeRendererFrameCallback(this);
// This kinda work but has drawbacks: // This kinda work but has drawbacks:
// - output is upside down due to coordinates in GL: need to flip the byte[] someway // - output is upside down due to coordinates in GL: need to flip the byte[] someway
@ -119,7 +96,7 @@ public class SnapshotPictureRecorder extends PictureRecorder {
final EglCore core = new EglCore(eglContext, EglCore.FLAG_RECORDABLE); final EglCore core = new EglCore(eglContext, EglCore.FLAG_RECORDABLE);
// final EGLSurface oldSurface = EGL14.eglGetCurrentSurface(EGL14.EGL_DRAW); // final EGLSurface oldSurface = EGL14.eglGetCurrentSurface(EGL14.EGL_DRAW);
// final EGLDisplay oldDisplay = EGL14.eglGetCurrentDisplay(); // final EGLDisplay oldDisplay = EGL14.eglGetCurrentDisplay();
WorkerHandler.run(new Runnable() { WorkerHandler.execute(new Runnable() {
@Override @Override
public void run() { public void run() {
EglWindowSurface surface = new EglWindowSurface(core, mSurfaceTexture); EglWindowSurface surface = new EglWindowSurface(core, mSurfaceTexture);
@ -130,7 +107,7 @@ public class SnapshotPictureRecorder extends PictureRecorder {
// Apply scale and crop: // Apply scale and crop:
// NOTE: scaleX and scaleY are in REF_VIEW, while our input appears to be in REF_SENSOR. // NOTE: scaleX and scaleY are in REF_VIEW, while our input appears to be in REF_SENSOR.
boolean flip = mEngine1.flip(CameraEngine.REF_VIEW, CameraEngine.REF_SENSOR); boolean flip = mEngine.flip(CameraEngine.REF_VIEW, CameraEngine.REF_SENSOR);
float realScaleX = flip ? scaleY : scaleX; float realScaleX = flip ? scaleY : scaleX;
float realScaleY = flip ? scaleX : scaleY; float realScaleY = flip ? scaleX : scaleY;
float scaleTranslX = (1F - realScaleX) / 2F; float scaleTranslX = (1F - realScaleX) / 2F;
@ -178,58 +155,10 @@ public class SnapshotPictureRecorder extends PictureRecorder {
}); });
} }
private void takeLegacy() {
mCamera.setOneShotPreviewCallback(new Camera.PreviewCallback() {
@Override
public void onPreviewFrame(@NonNull final byte[] yuv, Camera camera) {
dispatchOnShutter(false);
// Got to rotate the preview frame, since byte[] data here does not include
// EXIF tags automatically set by camera. So either we add EXIF, or we rotate.
// Adding EXIF to a byte array, unfortunately, is hard.
final int sensorToOutput = mResult.rotation;
final Size outputSize = mResult.size;
final Size previewStreamSize = mEngine1.getPreviewStreamSize(CameraEngine.REF_SENSOR);
if (previewStreamSize == null) {
throw new IllegalStateException("Preview stream size should never be null here.");
}
WorkerHandler.run(new Runnable() {
@Override
public void run() {
// Rotate the picture, because no one will write EXIF data,
// then crop if needed. In both cases, transform yuv to jpeg.
//noinspection deprecation
byte[] data = RotationHelper.rotate(yuv, previewStreamSize, sensorToOutput);
YuvImage yuv = new YuvImage(data, mFormat, outputSize.getWidth(), outputSize.getHeight(), null);
ByteArrayOutputStream stream = new ByteArrayOutputStream();
Rect outputRect = CropHelper.computeCrop(outputSize, mOutputRatio);
yuv.compressToJpeg(outputRect, 90, stream);
data = stream.toByteArray();
mResult.data = data;
mResult.size = new Size(outputRect.width(), outputRect.height());
mResult.rotation = 0;
mResult.format = PictureResult.FORMAT_JPEG;
dispatchResult();
}
});
// It seems that the buffers are already cleared here, so we need to allocate again.
camera.setPreviewCallbackWithBuffer(null); // Release anything left
camera.setPreviewCallbackWithBuffer(mEngine1); // Add ourselves
mEngine1.getFrameManager().setUp(ImageFormat.getBitsPerPixel(mFormat), previewStreamSize);
}
});
}
@Override @Override
protected void dispatchResult() { protected void dispatchResult() {
mEngine1 = null; mEngine = null;
mCamera = null;
mOutputRatio = null; mOutputRatio = null;
mFormat = 0;
super.dispatchResult(); super.dispatchResult();
} }
} }

2
cameraview/src/main/java/com/otaliastudios/cameraview/preview/GlCameraPreview.java
Unescape View File

@ -32,7 +32,7 @@ import javax.microedition.khronos.opengles.GL10;
* *
* - The SurfaceTexture is linked to the Camera1Engine object. The camera will pass down buffers of data with * - The SurfaceTexture is linked to the Camera1Engine object. The camera will pass down buffers of data with
* a specified size (that is, the Camera1Engine preview size). For this reason we don't have to specify * a specified size (that is, the Camera1Engine preview size). For this reason we don't have to specify
* surfaceTexture.setDefaultBufferSize() (like we do, for example, in SnapshotPictureRecorder). * surfaceTexture.setDefaultBufferSize() (like we do, for example, in Snapshot1PictureRecorder).
* *
* - When SurfaceTexture.updateTexImage() is called, it will fetch the latest texture image from the * - When SurfaceTexture.updateTexImage() is called, it will fetch the latest texture image from the
* camera stream and assign it to the GL texture that was passed. * camera stream and assign it to the GL texture that was passed.

15
cameraview/src/main/java/com/otaliastudios/cameraview/video/SnapshotVideoRecorder.java
Unescape View File

@ -46,9 +46,10 @@ public class SnapshotVideoRecorder extends VideoRecorder implements RendererFram
private int mDesiredState = STATE_NOT_RECORDING; private int mDesiredState = STATE_NOT_RECORDING;
private int mTextureId = 0; private int mTextureId = 0;
public SnapshotVideoRecorder(@NonNull VideoResult.Stub stub, @Nullable VideoResultListener listener, public SnapshotVideoRecorder(@NonNull VideoResult.Stub stub,
@NonNull CameraEngine engine, @NonNull GlCameraPreview preview) { @NonNull CameraEngine engine,
super(stub, listener); @NonNull GlCameraPreview preview) {
super(stub, engine);
mPreview = preview; mPreview = preview;
mPreview.addRendererFrameCallback(this); mPreview.addRendererFrameCallback(this);
mFlipped = engine.flip(CameraEngine.REF_SENSOR, CameraEngine.REF_VIEW); mFlipped = engine.flip(CameraEngine.REF_SENSOR, CameraEngine.REF_VIEW);
@ -74,6 +75,8 @@ public class SnapshotVideoRecorder extends VideoRecorder implements RendererFram
@Override @Override
public void onRendererFrame(@NonNull SurfaceTexture surfaceTexture, float scaleX, float scaleY) { public void onRendererFrame(@NonNull SurfaceTexture surfaceTexture, float scaleX, float scaleY) {
if (mCurrentState == STATE_NOT_RECORDING && mDesiredState == STATE_RECORDING) { if (mCurrentState == STATE_NOT_RECORDING && mDesiredState == STATE_RECORDING) {
LOG.i("Starting the encoder engine.");
// Set default options // Set default options
if (mResult.videoBitRate <= 0) mResult.videoBitRate = DEFAULT_VIDEO_BITRATE; if (mResult.videoBitRate <= 0) mResult.videoBitRate = DEFAULT_VIDEO_BITRATE;
if (mResult.videoFrameRate <= 0) mResult.videoFrameRate = DEFAULT_VIDEO_FRAMERATE; if (mResult.videoFrameRate <= 0) mResult.videoFrameRate = DEFAULT_VIDEO_FRAMERATE;
@ -118,6 +121,7 @@ public class SnapshotVideoRecorder extends VideoRecorder implements RendererFram
} }
if (mCurrentState == STATE_RECORDING) { if (mCurrentState == STATE_RECORDING) {
LOG.v("dispatching frame.");
TextureMediaEncoder textureEncoder = (TextureMediaEncoder) mEncoderEngine.getVideoEncoder(); TextureMediaEncoder textureEncoder = (TextureMediaEncoder) mEncoderEngine.getVideoEncoder();
TextureMediaEncoder.TextureFrame textureFrame = textureEncoder.acquireFrame(); TextureMediaEncoder.TextureFrame textureFrame = textureEncoder.acquireFrame();
textureFrame.timestamp = surfaceTexture.getTimestamp(); textureFrame.timestamp = surfaceTexture.getTimestamp();
@ -126,6 +130,7 @@ public class SnapshotVideoRecorder extends VideoRecorder implements RendererFram
} }
if (mCurrentState == STATE_RECORDING && mDesiredState == STATE_NOT_RECORDING) { if (mCurrentState == STATE_RECORDING && mDesiredState == STATE_NOT_RECORDING) {
LOG.i("Stopping the encoder engine.");
mCurrentState = STATE_NOT_RECORDING; // before nulling encoderEngine! mCurrentState = STATE_NOT_RECORDING; // before nulling encoderEngine!
mEncoderEngine.stop(); mEncoderEngine.stop();
mEncoderEngine = null; mEncoderEngine = null;
@ -146,9 +151,13 @@ public class SnapshotVideoRecorder extends VideoRecorder implements RendererFram
mError = e; mError = e;
} else { } else {
if (stopReason == MediaEncoderEngine.STOP_BY_MAX_DURATION) { if (stopReason == MediaEncoderEngine.STOP_BY_MAX_DURATION) {
LOG.i("onEncoderStop because of max duration.");
mResult.endReason = VideoResult.REASON_MAX_DURATION_REACHED; mResult.endReason = VideoResult.REASON_MAX_DURATION_REACHED;
} else if (stopReason == MediaEncoderEngine.STOP_BY_MAX_SIZE) { } else if (stopReason == MediaEncoderEngine.STOP_BY_MAX_SIZE) {
LOG.i("onEncoderStop because of max size.");
mResult.endReason = VideoResult.REASON_MAX_SIZE_REACHED; mResult.endReason = VideoResult.REASON_MAX_SIZE_REACHED;
} else {
LOG.i("onEncoderStop because of user.");
} }
} }
// Cleanup // Cleanup

12
cameraview/src/main/java/com/otaliastudios/cameraview/video/encoding/MediaEncoder.java
Unescape View File

@ -59,6 +59,11 @@ abstract class MediaEncoder {
/** /**
* This encoder was attached to the engine. Keep the controller * This encoder was attached to the engine. Keep the controller
* and run the internal thread. * and run the internal thread.
*
* NOTE: it's important to call {@link WorkerHandler#post(Runnable)} instead of run()!
* The internal actions can cause a stop/release, and due to how {@link WorkerHandler#run(Runnable)}
* works, we might have {@link #onStop()} or {@link #onRelease()} to be executed before
* the previous step has completed.
*/ */
final void prepare(@NonNull final MediaEncoderEngine.Controller controller, final long maxLengthMillis) { final void prepare(@NonNull final MediaEncoderEngine.Controller controller, final long maxLengthMillis) {
mController = controller; mController = controller;
@ -79,6 +84,8 @@ abstract class MediaEncoder {
* Start recording. This might be a lightweight operation * Start recording. This might be a lightweight operation
* in case the encoder needs to wait for a certain event * in case the encoder needs to wait for a certain event
* like a "frame available". * like a "frame available".
*
* NOTE: it's important to call {@link WorkerHandler#post(Runnable)} instead of run()!
*/ */
final void start() { final void start() {
LOG.i(getName(), "Start was called. Posting."); LOG.i(getName(), "Start was called. Posting.");
@ -94,6 +101,9 @@ abstract class MediaEncoder {
/** /**
* The caller notifying of a certain event occurring. * The caller notifying of a certain event occurring.
* Should analyze the string and see if the event is important. * Should analyze the string and see if the event is important.
*
* NOTE: it's important to call {@link WorkerHandler#post(Runnable)} instead of run()!
*
* @param event what happened * @param event what happened
* @param data object * @param data object
*/ */
@ -110,6 +120,8 @@ abstract class MediaEncoder {
/** /**
* Stop recording. * Stop recording.
*
* NOTE: it's important to call {@link WorkerHandler#post(Runnable)} instead of run()!
*/ */
final void stop() { final void stop() {
LOG.i(getName(), "Stop was called. Posting."); LOG.i(getName(), "Stop was called. Posting.");

5
cameraview/src/main/java/com/otaliastudios/cameraview/video/encoding/TextureMediaEncoder.java
Unescape View File

@ -112,7 +112,8 @@ public class TextureMediaEncoder extends VideoMediaEncoder<TextureMediaEncoder.C
} }
mFrameNum++; mFrameNum++;
LOG.v("Incoming frame timestamp:", frame.timestamp); int thisFrameNum = mFrameNum;
LOG.v("onEvent", "frameNum:", thisFrameNum, "realFrameNum:", mFrameNum, "timestamp:", frame.timestamp);
// We must scale this matrix like GlCameraPreview does, because it might have some cropping. // We must scale this matrix like GlCameraPreview does, because it might have some cropping.
// Scaling takes place with respect to the (0, 0, 0) point, so we must apply a Translation to compensate. // Scaling takes place with respect to the (0, 0, 0) point, so we must apply a Translation to compensate.
float[] transform = frame.transform; float[] transform = frame.transform;
@ -132,9 +133,11 @@ public class TextureMediaEncoder extends VideoMediaEncoder<TextureMediaEncoder.C
Matrix.rotateM(transform, 0, mConfig.transformRotation, 0, 0, 1); Matrix.rotateM(transform, 0, mConfig.transformRotation, 0, 0, 1);
Matrix.translateM(transform, 0, -0.5F, -0.5F, 0); Matrix.translateM(transform, 0, -0.5F, -0.5F, 0);
LOG.v("onEvent", "frameNum:", thisFrameNum, "realFrameNum:", mFrameNum, "calling drainOutput.");
drainOutput(false); drainOutput(false);
// Future note: passing scale values to the viewport? They are scaleX and scaleY, // Future note: passing scale values to the viewport? They are scaleX and scaleY,
// but flipped based on the mConfig.scaleFlipped boolean. // but flipped based on the mConfig.scaleFlipped boolean.
LOG.v("onEvent", "frameNum:", thisFrameNum, "realFrameNum:", mFrameNum, "calling drawFrame.");
mViewport.drawFrame(mConfig.textureId, transform); mViewport.drawFrame(mConfig.textureId, transform);
mWindow.setPresentationTime(frame.timestamp); mWindow.setPresentationTime(frame.timestamp);
mWindow.swapBuffers(); mWindow.swapBuffers();

7
cameraview/src/main/java/com/otaliastudios/cameraview/video/encoding/VideoMediaEncoder.java
Unescape View File

@ -9,6 +9,8 @@ import androidx.annotation.RequiresApi;
import android.view.Surface; import android.view.Surface;
import com.otaliastudios.cameraview.CameraLogger;
import java.io.IOException; import java.io.IOException;
/** /**
@ -20,6 +22,9 @@ import java.io.IOException;
@RequiresApi(api = Build.VERSION_CODES.JELLY_BEAN_MR2) @RequiresApi(api = Build.VERSION_CODES.JELLY_BEAN_MR2)
abstract class VideoMediaEncoder<C extends VideoMediaEncoder.Config> extends MediaEncoder { abstract class VideoMediaEncoder<C extends VideoMediaEncoder.Config> extends MediaEncoder {
private static final String TAG = VideoMediaEncoder.class.getSimpleName();
private static final CameraLogger LOG = CameraLogger.create(TAG);
@SuppressWarnings("WeakerAccess") @SuppressWarnings("WeakerAccess")
protected C mConfig; protected C mConfig;
@ -67,7 +72,6 @@ abstract class VideoMediaEncoder<C extends VideoMediaEncoder.Config> extends Med
format.setInteger(MediaFormat.KEY_COLOR_FORMAT, MediaCodecInfo.CodecCapabilities.COLOR_FormatSurface); format.setInteger(MediaFormat.KEY_COLOR_FORMAT, MediaCodecInfo.CodecCapabilities.COLOR_FormatSurface);
format.setInteger(MediaFormat.KEY_BIT_RATE, mConfig.bitRate); format.setInteger(MediaFormat.KEY_BIT_RATE, mConfig.bitRate);
format.setInteger(MediaFormat.KEY_FRAME_RATE, mConfig.frameRate); format.setInteger(MediaFormat.KEY_FRAME_RATE, mConfig.frameRate);
format.setInteger(MediaFormat.KEY_FRAME_RATE, 6); // TODO
format.setInteger(MediaFormat.KEY_I_FRAME_INTERVAL, 2); format.setInteger(MediaFormat.KEY_I_FRAME_INTERVAL, 2);
format.setInteger("rotation-degrees", mConfig.rotation); format.setInteger("rotation-degrees", mConfig.rotation);
@ -93,6 +97,7 @@ abstract class VideoMediaEncoder<C extends VideoMediaEncoder.Config> extends Med
@EncoderThread @EncoderThread
@Override @Override
void onStop() { void onStop() {
LOG.i("onStop", "setting mFrameNum to 1 and signaling the end of input stream.");
mFrameNum = -1; mFrameNum = -1;
signalEndOfInputStream(); signalEndOfInputStream();
drainOutput(true); drainOutput(true);

Write Preview
Loading…
Cancel
Save