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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 17:32:43 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 17:32:43 +0000 |
commit | 6bf0a5cb5034a7e684dcc3500e841785237ce2dd (patch) | |
tree | a68f146d7fa01f0134297619fbe7e33db084e0aa /third_party/libwebrtc/sdk/android/src/java/org/webrtc/CameraSession.java | |
parent | Initial commit. (diff) | |
download | thunderbird-6bf0a5cb5034a7e684dcc3500e841785237ce2dd.tar.xz thunderbird-6bf0a5cb5034a7e684dcc3500e841785237ce2dd.zip |
Adding upstream version 1:115.7.0.upstream/1%115.7.0upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'third_party/libwebrtc/sdk/android/src/java/org/webrtc/CameraSession.java')
-rw-r--r-- | third_party/libwebrtc/sdk/android/src/java/org/webrtc/CameraSession.java | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/third_party/libwebrtc/sdk/android/src/java/org/webrtc/CameraSession.java b/third_party/libwebrtc/sdk/android/src/java/org/webrtc/CameraSession.java new file mode 100644 index 0000000000..8d137854d8 --- /dev/null +++ b/third_party/libwebrtc/sdk/android/src/java/org/webrtc/CameraSession.java @@ -0,0 +1,72 @@ +/* + * Copyright 2016 The WebRTC project authors. All Rights Reserved. + * + * Use of this source code is governed by a BSD-style license + * that can be found in the LICENSE file in the root of the source + * tree. An additional intellectual property rights grant can be found + * in the file PATENTS. All contributing project authors may + * be found in the AUTHORS file in the root of the source tree. + */ + +package org.webrtc; + +import android.content.Context; +import android.graphics.Matrix; +import android.view.WindowManager; +import android.view.Surface; + +interface CameraSession { + enum FailureType { ERROR, DISCONNECTED } + + // Callbacks are fired on the camera thread. + interface CreateSessionCallback { + void onDone(CameraSession session); + void onFailure(FailureType failureType, String error); + } + + // Events are fired on the camera thread. + interface Events { + void onCameraOpening(); + void onCameraError(CameraSession session, String error); + void onCameraDisconnected(CameraSession session); + void onCameraClosed(CameraSession session); + void onFrameCaptured(CameraSession session, VideoFrame frame); + } + + /** + * Stops the capture. Waits until no more calls to capture observer will be made. + * If waitCameraStop is true, also waits for the camera to stop. + */ + void stop(); + + static int getDeviceOrientation(Context context) { + final WindowManager wm = (WindowManager) context.getSystemService(Context.WINDOW_SERVICE); + switch (wm.getDefaultDisplay().getRotation()) { + case Surface.ROTATION_90: + return 90; + case Surface.ROTATION_180: + return 180; + case Surface.ROTATION_270: + return 270; + case Surface.ROTATION_0: + default: + return 0; + } + } + + static VideoFrame.TextureBuffer createTextureBufferWithModifiedTransformMatrix( + TextureBufferImpl buffer, boolean mirror, int rotation) { + final Matrix transformMatrix = new Matrix(); + // Perform mirror and rotation around (0.5, 0.5) since that is the center of the texture. + transformMatrix.preTranslate(/* dx= */ 0.5f, /* dy= */ 0.5f); + if (mirror) { + transformMatrix.preScale(/* sx= */ -1f, /* sy= */ 1f); + } + transformMatrix.preRotate(rotation); + transformMatrix.preTranslate(/* dx= */ -0.5f, /* dy= */ -0.5f); + + // The width and height are not affected by rotation since Camera2Session has set them to the + // value they should be after undoing the rotation. + return buffer.applyTransformMatrix(transformMatrix, buffer.getWidth(), buffer.getHeight()); + } +} |