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

media/capture/video/chromeos/mock_video_capture_client.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_CHROMEOS_MOCK_VIDEO_CAPTURE_CLIENT_H_
+#define MEDIA_CAPTURE_VIDEO_CHROMEOS_MOCK_VIDEO_CAPTURE_CLIENT_H_
+
+#include "media/capture/video/video_capture_device.h"
+#include "testing/gmock/include/gmock/gmock.h"
+
+using testing::_;
+using testing::Invoke;
+
+namespace media {
+namespace unittest_internal {
+
+class MockVideoCaptureClient : public VideoCaptureDevice::Client {
+ public:
+  MOCK_METHOD0(DoReserveOutputBuffer, void(void));
+  MOCK_METHOD0(DoOnIncomingCapturedBuffer, void(void));
+  MOCK_METHOD0(DoOnIncomingCapturedVideoFrame, void(void));
+  MOCK_METHOD0(DoResurrectLastOutputBuffer, void(void));
+  MOCK_METHOD2(OnError,
+               void(const tracked_objects::Location& from_here,
+                    const std::string& reason));
+  MOCK_CONST_METHOD0(GetBufferPoolUtilization, double(void));
+  MOCK_METHOD0(OnStarted, void(void));
+
+  explicit MockVideoCaptureClient() {
+    ON_CALL(*this, OnError(_, _))
+        .WillByDefault(Invoke(this, &MockVideoCaptureClient::DumpError));
+  }
+
+  ~MockVideoCaptureClient() {
+    if (quit_cb_) {
+      std::move(quit_cb_).Run();
+    }
+  }
+
+  void SetFrameCb(base::OnceClosure frame_cb) {
+    frame_cb_ = std::move(frame_cb);
+  }
+
+  void SetQuitCb(base::OnceClosure quit_cb) { quit_cb_ = std::move(quit_cb); }
+
+  void DumpError(const tracked_objects::Location& location,
+                 const std::string& message) {
+    DPLOG(ERROR) << location.ToString() << " " << message;
+  }
+
+  void OnIncomingCapturedData(const uint8_t* data,
+                              int length,
+                              const VideoCaptureFormat& format,
+                              int rotation,
+                              base::TimeTicks reference_time,
+                              base::TimeDelta timestamp,
+                              int frame_feedback_id) override {
+    ASSERT_GT(length, 0);
+    ASSERT_TRUE(data);
+    if (frame_cb_) {
+      std::move(frame_cb_).Run();
+    }
+  }
+
+  // Trampoline methods to workaround GMOCK problems with std::unique_ptr<>.
+  Buffer ReserveOutputBuffer(const gfx::Size& dimensions,
+                             media::VideoPixelFormat format,
+                             media::VideoPixelStorage storage,
+                             int frame_feedback_id) override {
+    DoReserveOutputBuffer();
+    NOTREACHED() << "This should never be called";
+    return Buffer();
+  }
+  void OnIncomingCapturedBuffer(Buffer buffer,
+                                const VideoCaptureFormat& format,
+                                base::TimeTicks reference_time,
+                                base::TimeDelta timestamp) override {
+    DoOnIncomingCapturedBuffer();
+  }
+  void OnIncomingCapturedBufferExt(
+      Buffer buffer,
+      const VideoCaptureFormat& format,
+      base::TimeTicks reference_time,
+      base::TimeDelta timestamp,
+      gfx::Rect visible_rect,
+      const VideoFrameMetadata& additional_metadata) override {
+    DoOnIncomingCapturedVideoFrame();
+  }
+  Buffer ResurrectLastOutputBuffer(const gfx::Size& dimensions,
+                                   media::VideoPixelFormat format,
+                                   media::VideoPixelStorage storage,
+                                   int frame_feedback_id) {
+    DoResurrectLastOutputBuffer();
+    NOTREACHED() << "This should never be called";
+    return Buffer();
+  }
+
+ private:
+  base::OnceClosure frame_cb_;
+  base::OnceClosure quit_cb_;
+};
+
+}  // namespace unittest_internal
+}  // namespace media
+
+#endif  // MEDIA_CAPTURE_VIDEO_CHROMEOS_MOCK_VIDEO_CAPTURE_CLIENT_H_