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Unified Diff: content/browser/renderer_host/media/in_process_buildable_video_capture_device.h

Issue 2738763002: [Mojo Video Capture] Introduce abstraction BuildableVideoCaptureDevice (Closed)
Patch Set: Rebase to March 30 Created 3 years, 9 months ago
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Index: content/browser/renderer_host/media/in_process_buildable_video_capture_device.h
diff --git a/content/browser/renderer_host/media/in_process_buildable_video_capture_device.h b/content/browser/renderer_host/media/in_process_buildable_video_capture_device.h
new file mode 100644
index 0000000000000000000000000000000000000000..ce1b5791e0cf0573380d3d8fa19e119cc6ded240
--- /dev/null
+++ b/content/browser/renderer_host/media/in_process_buildable_video_capture_device.h
@@ -0,0 +1,95 @@
+// 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 CONTENT_BROWSER_RENDERER_HOST_MEDIA_IN_PROCESS_BUILDABLE_VIDEO_CAPTURE_DEVICE_H_
+#define CONTENT_BROWSER_RENDERER_HOST_MEDIA_IN_PROCESS_BUILDABLE_VIDEO_CAPTURE_DEVICE_H_
+
+#include "content/browser/renderer_host/media/video_capture_controller.h"
+#include "content/public/common/media_stream_request.h"
+#include "media/capture/video/video_capture_device.h"
+#include "media/capture/video/video_capture_device_client.h"
+#include "media/capture/video/video_capture_device_descriptor.h"
+#include "media/capture/video/video_capture_device_factory.h"
+
+namespace content {
+
+// Implementation of BuildableVideoCaptureDevice that creates capture devices
+// in the same process as it is being operated on, which must be the Browser
+// process. The devices are operated on the given |device_task_runner|.
+// Instances of this class must be operated from the Browser process IO thread.
+class InProcessBuildableVideoCaptureDevice
+ : public BuildableVideoCaptureDevice {
+ public:
+ InProcessBuildableVideoCaptureDevice(
+ scoped_refptr<base::SingleThreadTaskRunner> device_task_runner,
+ media::VideoCaptureDeviceFactory* device_factory);
+ ~InProcessBuildableVideoCaptureDevice() override;
+
+ // BuildableVideoCaptureDevice implementation:
+ void CreateAndStartDeviceAsync(VideoCaptureController* controller,
+ const media::VideoCaptureParams& params,
+ Callbacks* callbacks,
+ base::OnceClosure done_cb) override;
+ void ReleaseDeviceAsync(VideoCaptureController* controller,
+ base::OnceClosure done_cb) override;
+ bool IsDeviceAlive() const override;
+ void GetPhotoCapabilities(
+ media::VideoCaptureDevice::GetPhotoCapabilitiesCallback callback)
+ const override;
+ void SetPhotoOptions(
+ media::mojom::PhotoSettingsPtr settings,
+ media::VideoCaptureDevice::SetPhotoOptionsCallback callback) override;
+ void TakePhoto(
+ media::VideoCaptureDevice::TakePhotoCallback callback) override;
+ void MaybeSuspendDevice() override;
+ void ResumeDevice() override;
+ void RequestRefreshFrame() override;
+
+ void SetDesktopCaptureWindowIdAsync(gfx::NativeViewId window_id,
+ base::OnceClosure done_cb) override;
+
+ private:
+ using ReceiveDeviceCallback =
+ base::Callback<void(std::unique_ptr<media::VideoCaptureDevice> device)>;
+
+ std::unique_ptr<media::VideoCaptureDeviceClient> CreateDeviceClient(
+ int buffer_pool_max_buffer_count,
+ base::WeakPtr<media::VideoFrameReceiver> receiver);
+
+ void OnDeviceStarted(VideoCaptureController* controller,
+ Callbacks* callbacks,
+ base::OnceClosure done_cb,
+ std::unique_ptr<media::VideoCaptureDevice> device);
+
+ void DoStartDeviceCaptureOnDeviceThread(
+ const media::VideoCaptureDeviceDescriptor& descriptor,
+ const media::VideoCaptureParams& params,
+ std::unique_ptr<media::VideoCaptureDeviceClient> client,
+ ReceiveDeviceCallback result_callback);
+
+ void DoStartTabCaptureOnDeviceThread(
+ const std::string& device_id,
+ const media::VideoCaptureParams& params,
+ std::unique_ptr<media::VideoCaptureDeviceClient> client,
+ ReceiveDeviceCallback result_callback);
+
+ void DoStartDesktopCaptureOnDeviceThread(
+ const std::string& device_id,
+ const media::VideoCaptureParams& params,
+ std::unique_ptr<media::VideoCaptureDeviceClient> client,
+ ReceiveDeviceCallback result_callback);
+
+ void SetDesktopCaptureWindowIdOnDeviceThread(
+ media::VideoCaptureDevice* device,
+ gfx::NativeViewId window_id,
+ base::OnceClosure done_cb);
+
+ const scoped_refptr<base::SingleThreadTaskRunner> device_task_runner_;
+ media::VideoCaptureDeviceFactory* const device_factory_;
+ std::unique_ptr<media::VideoCaptureDevice> device_;
+};
+
+} // namespace content
+
+#endif // CONTENT_BROWSER_RENDERER_HOST_MEDIA_IN_PROCESS_BUILDABLE_VIDEO_CAPTURE_DEVICE_H_

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