device_info_fake.h (2383B)
1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ 2 /* vim: set ts=2 et sw=2 tw=80: */ 3 /* This Source Code Form is subject to the terms of the Mozilla Public 4 * License, v. 2.0. If a copy of the MPL was not distributed with this file, 5 * You can obtain one at http://mozilla.org/MPL/2.0/. */ 6 7 #ifndef DOM_MEDIA_SYSTEMSERVICES_FAKE_VIDEO_CAPTURE_DEVICE_INFO_FAKE_H_ 8 #define DOM_MEDIA_SYSTEMSERVICES_FAKE_VIDEO_CAPTURE_DEVICE_INFO_FAKE_H_ 9 10 #include "modules/video_capture/device_info_impl.h" 11 12 namespace webrtc::videocapturemodule { 13 14 /** 15 * DeviceInfo implementation for the MediaEngineFakeVideoSource, so it can be 16 * used in place of a real backend, allowing to exercise 17 * PCameras/VideoEngine/CaptureCapabilities code without needing a real device 18 * on a given platform. 19 */ 20 class DeviceInfoFake : public DeviceInfoImpl { 21 public: 22 ~DeviceInfoFake() override = default; 23 24 // Implementation of DeviceInfoImpl. 25 int32_t Init() override { return 0; } 26 uint32_t NumberOfDevices() override { return 1; } 27 int32_t GetDeviceName(uint32_t aDeviceNumber, char* aDeviceNameUTF8, 28 uint32_t aDeviceNameLength, char* aDeviceUniqueIdUTF8, 29 uint32_t aDeviceUniqueIdUTF8Length, 30 char* aProductUniqueIdUTF8 = nullptr, 31 uint32_t aProductUniqueIdUTF8Length = 0, 32 pid_t* aPid = nullptr, 33 bool* deviceIsPlaceholder = 0) override; 34 int32_t NumberOfCapabilities(const char* aDeviceUniqueIdUTF8) override; 35 int32_t GetCapability(const char* aDeviceUniqueIdUTF8, 36 const uint32_t aDeviceCapabilityNumber, 37 VideoCaptureCapability& aCapability) override; 38 int32_t DisplayCaptureSettingsDialogBox(const char* aDeviceUniqueIdUTF8, 39 const char* aDialogTitleUTF8, 40 void* aParentWindow, 41 uint32_t aPositionX, 42 uint32_t aPositionY) override { 43 return -1; 44 } 45 int32_t CreateCapabilityMap(const char* aDeviceUniqueIdUTF8) override { 46 return -1; 47 } 48 49 static constexpr const char* kName = "Fake Video Source"; 50 static constexpr const char* kId = "fake-video-source-0"; 51 }; 52 53 } // namespace webrtc::videocapturemodule 54 55 #endif