Adding upstream version 124.0.1.upstream/124.0.1

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 76 insertions, 0 deletions

diff --git a/third_party/libwebrtc/modules/desktop_capture/fake_desktop_capturer.h b/third_party/libwebrtc/modules/desktop_capture/fake_desktop_capturer.h
new file mode 100644
index 0000000000..086e6df0e2
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+++ b/third_party/libwebrtc/modules/desktop_capture/fake_desktop_capturer.h
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+/*
+ *  Copyright (c) 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.
+ */
+
+#ifndef MODULES_DESKTOP_CAPTURE_FAKE_DESKTOP_CAPTURER_H_
+#define MODULES_DESKTOP_CAPTURE_FAKE_DESKTOP_CAPTURER_H_
+
+#include <memory>
+
+#include "modules/desktop_capture/desktop_capturer.h"
+#include "modules/desktop_capture/desktop_frame_generator.h"
+#include "modules/desktop_capture/shared_memory.h"
+#include "rtc_base/system/rtc_export.h"
+
+namespace webrtc {
+
+// A fake implementation of DesktopCapturer or its derived interfaces to
+// generate DesktopFrame for testing purpose.
+//
+// Consumers can provide a FrameGenerator instance to generate instances of
+// DesktopFrame to return for each Capture() function call.
+// If no FrameGenerator provided, FakeDesktopCapturer will always return a
+// nullptr DesktopFrame.
+//
+// Double buffering is guaranteed by the FrameGenerator. FrameGenerator
+// implements in desktop_frame_generator.h guarantee double buffering, they
+// creates a new instance of DesktopFrame each time.
+class RTC_EXPORT FakeDesktopCapturer : public DesktopCapturer {
+ public:
+  FakeDesktopCapturer();
+  ~FakeDesktopCapturer() override;
+
+  // Decides the result which will be returned in next Capture() callback.
+  void set_result(DesktopCapturer::Result result);
+
+  // Uses the `generator` provided as DesktopFrameGenerator, FakeDesktopCapturer
+  // does not take the ownership of `generator`.
+  void set_frame_generator(DesktopFrameGenerator* generator);
+
+  // Count of DesktopFrame(s) have been returned by this instance. This field
+  // would never be negative.
+  int num_frames_captured() const;
+
+  // Count of CaptureFrame() calls have been made. This field would never be
+  // negative.
+  int num_capture_attempts() const;
+
+  // DesktopCapturer interface
+  void Start(DesktopCapturer::Callback* callback) override;
+  void CaptureFrame() override;
+  void SetSharedMemoryFactory(
+      std::unique_ptr<SharedMemoryFactory> shared_memory_factory) override;
+  bool GetSourceList(DesktopCapturer::SourceList* sources) override;
+  bool SelectSource(DesktopCapturer::SourceId id) override;
+
+ private:
+  static constexpr DesktopCapturer::SourceId kWindowId = 1378277495;
+  static constexpr DesktopCapturer::SourceId kScreenId = 1378277496;
+
+  DesktopCapturer::Callback* callback_ = nullptr;
+  std::unique_ptr<SharedMemoryFactory> shared_memory_factory_;
+  DesktopCapturer::Result result_ = Result::SUCCESS;
+  DesktopFrameGenerator* generator_ = nullptr;
+  int num_frames_captured_ = 0;
+  int num_capture_attempts_ = 0;
+};
+
+}  // namespace webrtc
+
+#endif  // MODULES_DESKTOP_CAPTURE_FAKE_DESKTOP_CAPTURER_H_