Android Tango depth camera capture support.

media/capture/video/android/video_capture_device_tango_android.h

+// Copyright 2017 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef MEDIA_CAPTURE_VIDEO_ANDROID_VIDEO_CAPTURE_DEVICE_TANGO_ANDROID_H_
+#define MEDIA_CAPTURE_VIDEO_ANDROID_VIDEO_CAPTURE_DEVICE_TANGO_ANDROID_H_
+
+#include <jni.h>
+
+#include "base/macros.h"
+#include "base/memory/weak_ptr.h"
+#include "tango_client_api_glue.h"
+#include "video_capture_device_android.h"
+
+namespace media {
+
+class CAPTURE_EXPORT VideoCaptureDeviceTangoAndroid
+    : public VideoCaptureDeviceAndroid {
+ public:
+  explicit VideoCaptureDeviceTangoAndroid(
+      const VideoCaptureDeviceDescriptor& device_descriptor);
+  ~VideoCaptureDeviceTangoAndroid() override;
+
+  static void EnumerateDevices(
+      VideoCaptureDeviceDescriptors* device_descriptors);
+  static void EnumerateDeviceCapabilities(
+      const VideoCaptureDeviceDescriptor& descriptor,
+      VideoCaptureFormats* supported_formats);
+
+  static bool RegisterVideoCaptureDevice(JNIEnv* env);
+
+  void AllocateAndStart(const VideoCaptureParams& params,
+                        std::unique_ptr<Client> client) override;
+  void StopAndDeAllocate() override;
+  void GetPhotoState(GetPhotoStateCallback callback) override{};
+  void SetPhotoOptions(mojom::PhotoSettingsPtr settings,
+                       SetPhotoOptionsCallback callback) override{};
+  void TakePhoto(TakePhotoCallback callback) override{};
+
+  void OnPointCloudAvailable(uint32_t num_points,
+                             float* const points,
+                             double timestamp);
+
+  // Implement
+  // org.chromium.media.VideoCaptureTango.nativeOnTangoServiceConnected.
+  void OnTangoServiceConnected(JNIEnv* env, jobject obj, jobject binder);
+
+  // Implement org.chromium.media.VideoCaptureTango.nativeTangoDisconnect.
+  void TangoDisconnect(JNIEnv* env, jobject obj);
+
+ private:
+  friend class VideoCaptureDeviceTangoAndroidTest;
+
+  void Connect(const std::string& uuid);
+
+  std::unique_ptr<TangoClientApiGlue::TangoCameraIntrinsics> intrinsics_;
+  base::WeakPtrFactory<VideoCaptureDeviceTangoAndroid> weak_ptr_factory_;
+  DISALLOW_IMPLICIT_CONSTRUCTORS(VideoCaptureDeviceTangoAndroid);
+};
+
+}  // namespace media
+
+#endif  // MEDIA_CAPTURE_VIDEO_ANDROID_VIDEO_CAPTURE_DEVICE_ANDROID_H_