| /* |
| * 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. |
| */ |
| |
| /* |
| * video_capture_quick_time_info.h |
| * |
| */ |
| |
| #ifndef WEBRTC_MODULES_VIDEO_CAPTURE_MAIN_SOURCE_MAC_QUICKTIME_VIDEO_CAPTURE_QUICK_TIME_INFO_H_ |
| #define WEBRTC_MODULES_VIDEO_CAPTURE_MAIN_SOURCE_MAC_QUICKTIME_VIDEO_CAPTURE_QUICK_TIME_INFO_H_ |
| |
| #include <QuickTime/QuickTime.h> |
| |
| #include "../../video_capture_impl.h" |
| #include "../../device_info_impl.h" |
| #include "list_wrapper.h" |
| #include "map_wrapper.h" |
| |
| class VideoRenderCallback; |
| |
| namespace webrtc |
| { |
| class CriticalSectionWrapper; |
| class EventWrapper; |
| class ThreadWrapper; |
| class Trace; |
| |
| class VideoCaptureMacQuickTimeInfo: public DeviceInfoImpl |
| { |
| public: |
| |
| static DeviceInfo* Create(const WebRtc_Word32 id); |
| static void Destroy(DeviceInfo* deviceInfo); |
| |
| VideoCaptureMacQuickTimeInfo(const WebRtc_Word32 id); |
| virtual ~VideoCaptureMacQuickTimeInfo(); |
| |
| WebRtc_Word32 Init(); |
| |
| virtual WebRtc_UWord32 NumberOfDevices(); |
| |
| /* |
| * Returns the available capture devices. |
| * deviceNumber -[in] index of capture device |
| * deviceNameUTF8 - friendly name of the capture device |
| * deviceUniqueIdUTF8 - unique name of the capture device if it exist. |
| * Otherwise same as deviceNameUTF8 |
| * productUniqueIdUTF8 - unique product id if it exist. Null terminated |
| * otherwise. |
| */ |
| virtual WebRtc_Word32 GetDeviceName( |
| WebRtc_UWord32 deviceNumber, WebRtc_UWord8* deviceNameUTF8, |
| WebRtc_UWord32 deviceNameLength, WebRtc_UWord8* deviceUniqueIdUTF8, |
| WebRtc_UWord32 deviceUniqueIdUTF8Length, |
| WebRtc_UWord8* productUniqueIdUTF8 = 0, |
| WebRtc_UWord32 productUniqueIdUTF8Length = 0); |
| |
| |
| // ************** The remaining public functions are not supported on Mac |
| |
| /* |
| * Returns the number of capabilities for this device |
| */ |
| virtual WebRtc_Word32 NumberOfCapabilities(const WebRtc_UWord8* deviceUniqueIdUTF8); |
| |
| /* |
| * Gets the capabilities of the named device |
| */ |
| virtual WebRtc_Word32 GetCapability( |
| const WebRtc_UWord8* deviceUniqueIdUTF8, |
| const WebRtc_UWord32 deviceCapabilityNumber, |
| VideoCaptureCapability& capability); |
| |
| /* |
| * Gets the capability that best matches the requested width, height and frame rate. |
| * Returns the deviceCapabilityNumber on success. |
| */ |
| virtual WebRtc_Word32 GetBestMatchedCapability( |
| const WebRtc_UWord8*deviceUniqueIdUTF8, |
| const VideoCaptureCapability& requested, |
| VideoCaptureCapability& resulting); |
| |
| /* |
| * Display OS /capture device specific settings dialog |
| */ |
| virtual WebRtc_Word32 DisplayCaptureSettingsDialogBox( |
| const WebRtc_UWord8* deviceUniqueIdUTF8, |
| const WebRtc_UWord8* dialogTitleUTF8, void* parentWindow, |
| WebRtc_UWord32 positionX, WebRtc_UWord32 positionY); |
| |
| protected: |
| virtual WebRtc_Word32 CreateCapabilityMap( |
| const WebRtc_UWord8* deviceUniqueIdUTF8); |
| |
| private: |
| |
| struct VideoCaptureMacName |
| { |
| VideoCaptureMacName(); |
| |
| enum |
| { |
| kVideoCaptureMacNameMaxSize = 64 |
| }; |
| char _name[kVideoCaptureMacNameMaxSize]; |
| CFIndex _size; |
| }; |
| |
| enum |
| { |
| kVideoCaptureMacDeviceListTimeout = 5000 |
| }; // Timeout value [ms] if we want to create a new device list or not |
| enum |
| { |
| kYuy2_1280_1024_length = 2621440 |
| }; // Temporary constant allowing this size from built-in iSight webcams. |
| |
| private: |
| // private methods |
| |
| int GetCaptureDevices(WebRtc_UWord32 deviceNumber, |
| WebRtc_UWord8* deviceNameUTF8, |
| WebRtc_UWord32 deviceNameUTF8Length, |
| WebRtc_UWord8* deviceUniqueIdUTF8, |
| WebRtc_UWord32 deviceUniqueIdUTF8Length, |
| WebRtc_UWord8* productUniqueIdUTF8, |
| WebRtc_UWord32 productUniqueIdUTF8Length, |
| int& numberOfDevices); |
| |
| static CFIndex PascalStringToCString(const unsigned char* pascalString, |
| char* cString, CFIndex bufferSize); |
| |
| private: |
| // member vars |
| WebRtc_Word32 _id; |
| bool _terminated; |
| CriticalSectionWrapper* _grabberCritsect; |
| webrtc::Trace* _trace; |
| webrtc::ThreadWrapper* _grabberUpdateThread; |
| webrtc::EventWrapper* _grabberUpdateEvent; |
| SeqGrabComponent _captureGrabber; |
| Component _captureDevice; |
| char _captureDeviceDisplayName[64]; |
| bool _captureIsInitialized; |
| GWorldPtr _gWorld; |
| SGChannel _captureChannel; |
| ImageSequence _captureSequence; |
| bool _sgPrepared; |
| bool _sgStarted; |
| int _codecWidth; |
| int _codecHeight; |
| int _trueCaptureWidth; |
| int _trueCaptureHeight; |
| ListWrapper _captureDeviceList; |
| WebRtc_Word64 _captureDeviceListTime; |
| ListWrapper _captureCapabilityList; |
| }; |
| } // namespace webrtc |
| #endif // WEBRTC_MODULES_VIDEO_CAPTURE_MAIN_SOURCE_MAC_QUICKTIME_VIDEO_CAPTURE_QUICK_TIME_INFO_H_ |