235 lines
8.5 KiB
Java
235 lines
8.5 KiB
Java
package org.thoughtcrime.securesms.mediasend;
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import android.Manifest;
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import android.animation.Animator;
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import android.animation.ValueAnimator;
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import android.content.Context;
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import android.util.DisplayMetrics;
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import android.util.Log;
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import android.util.Size;
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import android.view.ViewGroup;
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import android.view.animation.LinearInterpolator;
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import android.widget.Toast;
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import androidx.annotation.NonNull;
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import androidx.annotation.Nullable;
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import androidx.annotation.RequiresApi;
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import androidx.fragment.app.Fragment;
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import com.bumptech.glide.util.Executors;
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import org.thoughtcrime.securesms.R;
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import org.thoughtcrime.securesms.animation.AnimationCompleteListener;
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import org.thoughtcrime.securesms.components.TooltipPopup;
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import org.thoughtcrime.securesms.mediasend.camerax.CameraXView;
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import org.thoughtcrime.securesms.mediasend.camerax.VideoCapture;
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import org.thoughtcrime.securesms.permissions.Permissions;
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import org.thoughtcrime.securesms.util.MemoryFileDescriptor;
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import org.thoughtcrime.securesms.util.Util;
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import org.thoughtcrime.securesms.video.VideoUtil;
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import java.io.FileDescriptor;
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import java.io.IOException;
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@RequiresApi(26)
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class CameraXVideoCaptureHelper implements CameraButtonView.VideoCaptureListener {
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private static final String TAG = CameraXVideoCaptureHelper.class.getName();
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private static final String VIDEO_DEBUG_LABEL = "video-capture";
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private static final long VIDEO_SIZE = 10 * 1024 * 1024;
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private final @NonNull Fragment fragment;
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private final @NonNull CameraXView camera;
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private final @NonNull Callback callback;
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private final @NonNull MemoryFileDescriptor memoryFileDescriptor;
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private boolean isRecording;
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private ValueAnimator cameraMetricsAnimator;
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private final ValueAnimator updateProgressAnimator = ValueAnimator.ofFloat(0f, 1f)
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.setDuration(VideoUtil.VIDEO_MAX_LENGTH_S * 1000);
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private final VideoCapture.OnVideoSavedListener videoSavedListener = new VideoCapture.OnVideoSavedListener() {
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@Override
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public void onVideoSaved(@NonNull FileDescriptor fileDescriptor) {
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try {
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camera.setZoomLevel(0f);
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memoryFileDescriptor.seek(0);
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callback.onVideoSaved(fileDescriptor);
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} catch (IOException e) {
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callback.onVideoError(e);
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}
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}
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@Override
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public void onError(@NonNull VideoCapture.VideoCaptureError videoCaptureError,
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@NonNull String message,
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@Nullable Throwable cause)
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{
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callback.onVideoError(cause);
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Util.runOnMain(() -> resetCameraSizing());
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}
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};
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CameraXVideoCaptureHelper(@NonNull Fragment fragment,
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@NonNull CameraButtonView captureButton,
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@NonNull CameraXView camera,
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@NonNull MemoryFileDescriptor memoryFileDescriptor,
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@NonNull Callback callback)
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{
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this.fragment = fragment;
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this.camera = camera;
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this.memoryFileDescriptor = memoryFileDescriptor;
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this.callback = callback;
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updateProgressAnimator.setInterpolator(new LinearInterpolator());
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updateProgressAnimator.addUpdateListener(anim -> captureButton.setProgress(anim.getAnimatedFraction()));
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updateProgressAnimator.addListener(new AnimationCompleteListener() {
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@Override
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public void onAnimationEnd(Animator animation) {
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if (isRecording) onVideoCaptureComplete();
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}
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});
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}
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@Override
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public void onVideoCaptureStarted() {
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Log.d(TAG, "onVideoCaptureStarted");
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if (canRecordAudio()) {
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isRecording = true;
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beginCameraRecording();
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} else {
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displayAudioRecordingPermissionsDialog();
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}
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}
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private boolean canRecordAudio() {
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return Permissions.hasAll(fragment.requireContext(), Manifest.permission.RECORD_AUDIO);
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}
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private void displayAudioRecordingPermissionsDialog() {
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Permissions.with(fragment)
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.request(Manifest.permission.RECORD_AUDIO)
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.ifNecessary()
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.withRationaleDialog(fragment.getString(R.string.ConversationActivity_enable_the_microphone_permission_to_capture_videos_with_sound), R.drawable.ic_mic_solid_24)
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.withPermanentDenialDialog(fragment.getString(R.string.ConversationActivity_signal_needs_the_recording_permissions_to_capture_video))
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.onAnyDenied(() -> Toast.makeText(fragment.requireContext(), R.string.ConversationActivity_signal_needs_recording_permissions_to_capture_video, Toast.LENGTH_LONG).show())
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.execute();
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}
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private void beginCameraRecording() {
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this.camera.setZoomLevel(0f);
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callback.onVideoRecordStarted();
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shrinkCaptureArea();
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camera.startRecording(memoryFileDescriptor.getFileDescriptor(), Executors.mainThreadExecutor(), videoSavedListener);
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updateProgressAnimator.start();
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}
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private void shrinkCaptureArea() {
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Size screenSize = getScreenSize();
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Size videoRecordingSize = VideoUtil.getVideoRecordingSize();
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float scale = getSurfaceScaleForRecording();
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float targetWidthForAnimation = videoRecordingSize.getWidth() * scale;
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float scaleX = targetWidthForAnimation / screenSize.getWidth();
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if (scaleX == 1f) {
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float targetHeightForAnimation = videoRecordingSize.getHeight() * scale;
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cameraMetricsAnimator = ValueAnimator.ofFloat(screenSize.getHeight(), targetHeightForAnimation);
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} else {
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cameraMetricsAnimator = ValueAnimator.ofFloat(screenSize.getWidth(), targetWidthForAnimation);
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}
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ViewGroup.LayoutParams params = camera.getLayoutParams();
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cameraMetricsAnimator.setInterpolator(new LinearInterpolator());
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cameraMetricsAnimator.setDuration(200);
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cameraMetricsAnimator.addListener(new AnimationCompleteListener() {
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@Override
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public void onAnimationEnd(Animator animation) {
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if (!isRecording) return;
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scaleCameraViewToMatchRecordingSizeAndAspectRatio();
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}
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});
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cameraMetricsAnimator.addUpdateListener(animation -> {
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if (scaleX == 1f) {
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params.height = Math.round((float) animation.getAnimatedValue());
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} else {
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params.width = Math.round((float) animation.getAnimatedValue());
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}
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camera.setLayoutParams(params);
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});
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cameraMetricsAnimator.start();
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}
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private void scaleCameraViewToMatchRecordingSizeAndAspectRatio() {
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ViewGroup.LayoutParams layoutParams = camera.getLayoutParams();
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Size videoRecordingSize = VideoUtil.getVideoRecordingSize();
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float scale = getSurfaceScaleForRecording();
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layoutParams.height = videoRecordingSize.getHeight();
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layoutParams.width = videoRecordingSize.getWidth();
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camera.setLayoutParams(layoutParams);
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camera.setScaleX(scale);
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camera.setScaleY(scale);
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}
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private Size getScreenSize() {
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DisplayMetrics metrics = camera.getResources().getDisplayMetrics();
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return new Size(metrics.widthPixels, metrics.heightPixels);
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}
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private float getSurfaceScaleForRecording() {
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Size videoRecordingSize = VideoUtil.getVideoRecordingSize();
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Size screenSize = getScreenSize();
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return Math.min(screenSize.getHeight(), screenSize.getWidth()) / (float) Math.min(videoRecordingSize.getHeight(), videoRecordingSize.getWidth());
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}
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private void resetCameraSizing() {
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ViewGroup.LayoutParams layoutParams = camera.getLayoutParams();
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layoutParams.width = ViewGroup.LayoutParams.MATCH_PARENT;
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layoutParams.height = ViewGroup.LayoutParams.MATCH_PARENT;
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camera.setLayoutParams(layoutParams);
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camera.setScaleX(1);
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camera.setScaleY(1);
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}
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@Override
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public void onVideoCaptureComplete() {
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isRecording = false;
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if (!canRecordAudio()) return;
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Log.d(TAG, "onVideoCaptureComplete");
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camera.stopRecording();
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if (cameraMetricsAnimator != null && cameraMetricsAnimator.isRunning()) {
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cameraMetricsAnimator.reverse();
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}
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updateProgressAnimator.cancel();
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}
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@Override
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public void onZoomIncremented(float increment) {
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float range = camera.getMaxZoomLevel() - camera.getMinZoomLevel();
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camera.setZoomLevel(range * increment);
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}
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static MemoryFileDescriptor createFileDescriptor(@NonNull Context context) throws MemoryFileDescriptor.MemoryFileException {
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return MemoryFileDescriptor.newMemoryFileDescriptor(
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context,
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VIDEO_DEBUG_LABEL,
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VIDEO_SIZE
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);
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}
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interface Callback {
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void onVideoRecordStarted();
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void onVideoSaved(@NonNull FileDescriptor fd);
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void onVideoError(@Nullable Throwable cause);
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}
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}
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