Revert of media: add video capture device for ARC++ camera HAL v3

media/capture/video/chromeos/video_capture_device_arc_chromeos.cc

Index: media/capture/video/chromeos/video_capture_device_arc_chromeos.cc
diff --git a/media/capture/video/chromeos/video_capture_device_arc_chromeos.cc b/media/capture/video/chromeos/video_capture_device_arc_chromeos.cc
deleted file mode 100644
index f23d025f93cdf35523a350a93124a4564ff389f5..0000000000000000000000000000000000000000
--- a/media/capture/video/chromeos/video_capture_device_arc_chromeos.cc
+++ /dev/null
@@ -1,186 +0,0 @@
-// 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.
-
-#include "media/capture/video/chromeos/video_capture_device_arc_chromeos.h"
-
-#include <string>
-#include <utility>
-
-#include "base/bind_helpers.h"
-#include "base/memory/ptr_util.h"
-#include "base/synchronization/waitable_event.h"
-#include "base/threading/platform_thread.h"
-#include "media/capture/video/chromeos/camera_device_delegate.h"
-#include "media/capture/video/chromeos/camera_hal_delegate.h"
-#include "ui/display/display.h"
-#include "ui/display/display_observer.h"
-#include "ui/display/screen.h"
-
-namespace media {
-
-VideoCaptureDeviceArcChromeOS::VideoCaptureDeviceArcChromeOS(
-    scoped_refptr<base::SingleThreadTaskRunner> task_runner_for_screen_observer,
-    const VideoCaptureDeviceDescriptor& device_descriptor,
-    scoped_refptr<CameraHalDelegate> camera_hal_delegate)
-    : device_descriptor_(device_descriptor),
-      camera_hal_delegate_(std::move(camera_hal_delegate)),
-      capture_task_runner_(base::ThreadTaskRunnerHandle::Get()),
-      camera_device_ipc_thread_(std::string("CameraDeviceIpcThread") +
-                                device_descriptor.device_id),
-      screen_observer_delegate_(new ScreenObserverDelegate(
-          this,
-          std::move(task_runner_for_screen_observer))),
-      lens_facing_(device_descriptor.facing),
-      camera_orientation_(0),
-      // External cameras have lens_facing as MEDIA_VIDEO_FACING_NONE.
-      // We don't want to rotate the frame even if the device rotates.
-      rotates_with_device_(lens_facing_ !=
-                           VideoFacingMode::MEDIA_VIDEO_FACING_NONE),
-      rotation_(0) {}
-
-VideoCaptureDeviceArcChromeOS::~VideoCaptureDeviceArcChromeOS() {
-  DCHECK(capture_task_runner_->BelongsToCurrentThread());
-  DCHECK(!camera_device_ipc_thread_.IsRunning());
-  screen_observer_delegate_->RemoveObserver();
-}
-
-// VideoCaptureDevice implementation.
-void VideoCaptureDeviceArcChromeOS::AllocateAndStart(
-    const VideoCaptureParams& params,
-    std::unique_ptr<Client> client) {
-  DCHECK(capture_task_runner_->BelongsToCurrentThread());
-  DCHECK(!camera_device_delegate_);
-
-  if (!camera_device_ipc_thread_.Start()) {
-    std::string error_msg = "Failed to start device thread";
-    LOG(ERROR) << error_msg;
-    client->OnError(FROM_HERE, error_msg);
-    return;
-  }
-  camera_device_delegate_ = base::MakeUnique<CameraDeviceDelegate>(
-      device_descriptor_, camera_hal_delegate_,
-      camera_device_ipc_thread_.task_runner());
-  camera_device_ipc_thread_.task_runner()->PostTask(
-      FROM_HERE, base::Bind(&CameraDeviceDelegate::AllocateAndStart,
-                            camera_device_delegate_->GetWeakPtr(), params,
-                            base::Passed(&client)));
-  camera_device_ipc_thread_.task_runner()->PostTask(
-      FROM_HERE, base::Bind(&CameraDeviceDelegate::SetRotation,
-                            camera_device_delegate_->GetWeakPtr(), rotation_));
-}
-
-void VideoCaptureDeviceArcChromeOS::StopAndDeAllocate() {
-  DCHECK(capture_task_runner_->BelongsToCurrentThread());
-
-  if (!camera_device_delegate_) {
-    return;
-  }
-
-  // We do our best to allow the camera HAL cleanly shut down the device.  In
-  // general we don't trust the camera HAL so if the device does not close in
-  // time we simply terminate the Mojo channel by resetting
-  // |camera_device_delegate_|.
-  base::WaitableEvent device_closed(
-      base::WaitableEvent::ResetPolicy::MANUAL,
-      base::WaitableEvent::InitialState::NOT_SIGNALED);
-  camera_device_ipc_thread_.task_runner()->PostTask(
-      FROM_HERE, base::Bind(&CameraDeviceDelegate::StopAndDeAllocate,
-                            camera_device_delegate_->GetWeakPtr(),
-                            base::Bind(
-                                [](base::WaitableEvent* device_closed) {
-                                  device_closed->Signal();
-                                },
-                                base::Unretained(&device_closed))));
-  base::TimeDelta kWaitTimeoutSecs = base::TimeDelta::FromSeconds(3);
-  device_closed.TimedWait(kWaitTimeoutSecs);
-
-  camera_device_ipc_thread_.Stop();
-  camera_device_delegate_.reset();
-}
-
-void VideoCaptureDeviceArcChromeOS::TakePhoto(TakePhotoCallback callback) {
-  DCHECK(capture_task_runner_->BelongsToCurrentThread());
-  DCHECK(camera_device_delegate_);
-  camera_device_ipc_thread_.task_runner()->PostTask(
-      FROM_HERE, base::Bind(&CameraDeviceDelegate::TakePhoto,
-                            camera_device_delegate_->GetWeakPtr(),
-                            base::Passed(&callback)));
-}
-
-void VideoCaptureDeviceArcChromeOS::GetPhotoState(
-    GetPhotoStateCallback callback) {
-  DCHECK(capture_task_runner_->BelongsToCurrentThread());
-  camera_device_ipc_thread_.task_runner()->PostTask(
-      FROM_HERE, base::Bind(&CameraDeviceDelegate::GetPhotoState,
-                            camera_device_delegate_->GetWeakPtr(),
-                            base::Passed(&callback)));
-}
-
-void VideoCaptureDeviceArcChromeOS::SetPhotoOptions(
-    mojom::PhotoSettingsPtr settings,
-    SetPhotoOptionsCallback callback) {
-  DCHECK(capture_task_runner_->BelongsToCurrentThread());
-  camera_device_ipc_thread_.task_runner()->PostTask(
-      FROM_HERE, base::Bind(&CameraDeviceDelegate::SetPhotoOptions,
-                            camera_device_delegate_->GetWeakPtr(),
-                            base::Passed(&settings), base::Passed(&callback)));
-}
-
-void VideoCaptureDeviceArcChromeOS::SetDisplayRotation(
-    const display::Display& display) {
-  DCHECK(capture_task_runner_->BelongsToCurrentThread());
-  if (display.IsInternal())
-    SetRotation(display.rotation() * 90);
-}
-
-void VideoCaptureDeviceArcChromeOS::SetRotation(int rotation) {
-  DCHECK(capture_task_runner_->BelongsToCurrentThread());
-  if (!rotates_with_device_) {
-    rotation = 0;
-  } else if (lens_facing_ == VideoFacingMode::MEDIA_VIDEO_FACING_ENVIRONMENT) {
-    // Original frame when |rotation| = 0
-    // -----------------------
-    // |          *          |
-    // |         * *         |
-    // |        *   *        |
-    // |       *******       |
-    // |      *       *      |
-    // |     *         *     |
-    // -----------------------
-    //
-    // |rotation| = 90, this is what back camera sees
-    // -----------------------
-    // |    ********         |
-    // |       *   ****      |
-    // |       *      ***    |
-    // |       *      ***    |
-    // |       *   ****      |
-    // |    ********         |
-    // -----------------------
-    //
-    // |rotation| = 90, this is what front camera sees
-    // -----------------------
-    // |         ********    |
-    // |      ****   *       |
-    // |    ***      *       |
-    // |    ***      *       |
-    // |      ****   *       |
-    // |         ********    |
-    // -----------------------
-    //
-    // Therefore, for back camera, we need to rotate (360 - |rotation|).
-    rotation = (360 - rotation) % 360;
-  }
-  // Take into account camera orientation w.r.t. the display. External cameras
-  // would have camera_orientation_ as 0.
-  rotation_ = (rotation + camera_orientation_) % 360;
-  if (camera_device_ipc_thread_.IsRunning()) {
-    camera_device_ipc_thread_.task_runner()->PostTask(
-        FROM_HERE,
-        base::Bind(&CameraDeviceDelegate::SetRotation,
-                   camera_device_delegate_->GetWeakPtr(), rotation_));
-  }
-}
-
-}  // namespace media