1 files changed, 107 insertions, 0 deletions
diff --git a/third_party/libwebrtc/modules/video_capture/windows/device_info_ds.h b/third_party/libwebrtc/modules/video_capture/windows/device_info_ds.h
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index 0000000000..e6dfaed366
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+++ b/third_party/libwebrtc/modules/video_capture/windows/device_info_ds.h
@@ -0,0 +1,107 @@
+/*
+ *  Copyright (c) 2012 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_VIDEO_CAPTURE_MAIN_SOURCE_WINDOWS_DEVICE_INFO_DS_H_
+#define MODULES_VIDEO_CAPTURE_MAIN_SOURCE_WINDOWS_DEVICE_INFO_DS_H_
+
+#include <dshow.h>
+#include <Ks.h>
+#include <dbt.h>
+
+#include "modules/video_capture/device_info_impl.h"
+#include "modules/video_capture/video_capture.h"
+#include "modules/video_capture/video_capture_impl.h"
+
+namespace webrtc {
+namespace videocapturemodule {
+struct VideoCaptureCapabilityWindows : public VideoCaptureCapability {
+  uint32_t directShowCapabilityIndex;
+  bool supportFrameRateControl;
+  VideoCaptureCapabilityWindows() {
+    directShowCapabilityIndex = 0;
+    supportFrameRateControl = false;
+  }
+};
+
+class DeviceInfoDS : public DeviceInfoImpl {
+ public:
+  // Factory function.
+  static DeviceInfoDS* Create();
+
+  DeviceInfoDS();
+  ~DeviceInfoDS() override;
+
+  int32_t Init() override;
+  uint32_t NumberOfDevices() override;
+
+  /*
+   * Returns the available capture devices.
+   */
+  int32_t GetDeviceName(uint32_t deviceNumber,
+                        char* deviceNameUTF8,
+                        uint32_t deviceNameLength,
+                        char* deviceUniqueIdUTF8,
+                        uint32_t deviceUniqueIdUTF8Length,
+                        char* productUniqueIdUTF8,
+                        uint32_t productUniqueIdUTF8Length,
+                        pid_t* pid) override;
+
+  /*
+   * Display OS /capture device specific settings dialog
+   */
+  int32_t DisplayCaptureSettingsDialogBox(const char* deviceUniqueIdUTF8,
+                                          const char* dialogTitleUTF8,
+                                          void* parentWindow,
+                                          uint32_t positionX,
+                                          uint32_t positionY) override;
+
+  // Windows specific
+
+  /* Gets a capture device filter
+   The user of this API is responsible for releasing the filter when it not
+   needed.
+   */
+  IBaseFilter* GetDeviceFilter(const char* deviceUniqueIdUTF8,
+                               char* productUniqueIdUTF8 = NULL,
+                               uint32_t productUniqueIdUTF8Length = 0);
+
+  int32_t GetWindowsCapability(
+      int32_t capabilityIndex,
+      VideoCaptureCapabilityWindows& windowsCapability);
+
+  static void GetProductId(const char* devicePath,
+                           char* productUniqueIdUTF8,
+                           uint32_t productUniqueIdUTF8Length);
+
+ protected:
+  int32_t GetDeviceInfo(uint32_t deviceNumber,
+                        char* deviceNameUTF8,
+                        uint32_t deviceNameLength,
+                        char* deviceUniqueIdUTF8,
+                        uint32_t deviceUniqueIdUTF8Length,
+                        char* productUniqueIdUTF8,
+                        uint32_t productUniqueIdUTF8Length);
+
+  int32_t CreateCapabilityMap(const char* deviceUniqueIdUTF8) override
+      RTC_EXCLUSIVE_LOCKS_REQUIRED(_apiLock);
+
+ private:
+  ICreateDevEnum* _dsDevEnum;
+  IEnumMoniker* _dsMonikerDevEnum;
+  bool _CoUninitializeIsRequired;
+  std::vector<VideoCaptureCapabilityWindows> _captureCapabilitiesWindows;
+  HWND _hwnd;
+  WNDCLASS _wndClass;
+  HINSTANCE _hInstance;
+  HDEVNOTIFY _hdevnotify;
+};
+}  // namespace videocapturemodule
+}  // namespace webrtc
+#endif  // MODULES_VIDEO_CAPTURE_MAIN_SOURCE_WINDOWS_DEVICE_INFO_DS_H_