| /* |
| * Copyright (c) 2011 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.h |
| * |
| */ |
| |
| #ifndef WEBRTC_MODULES_VIDEO_CAPTURE_MAIN_SOURCE_MAC_QUICKTIME_VIDEO_CAPTURE_QUICK_TIME_H_ |
| #define WEBRTC_MODULES_VIDEO_CAPTURE_MAIN_SOURCE_MAC_QUICKTIME_VIDEO_CAPTURE_QUICK_TIME_H_ |
| |
| #include <QuickTime/QuickTime.h> |
| |
| |
| #include "../../device_info_impl.h" |
| #include "../../video_capture_impl.h" |
| #include "list_wrapper.h" |
| |
| |
| #define START_CODEC_WIDTH 352 |
| #define START_CODEC_HEIGHT 288 |
| #define SLEEP(x) usleep(x * 1000); |
| |
| namespace webrtc |
| { |
| class CriticalSectionWrapper; |
| class EventWrapper; |
| class ThreadWrapper; |
| |
| class VideoCaptureMacQuickTime : public VideoCaptureImpl |
| { |
| |
| public: |
| VideoCaptureMacQuickTime(const WebRtc_Word32 id); |
| virtual ~VideoCaptureMacQuickTime(); |
| |
| static void Destroy(VideoCaptureModule* module); |
| |
| WebRtc_Word32 Init(const WebRtc_Word32 id, |
| const WebRtc_UWord8* deviceUniqueIdUTF8); |
| virtual WebRtc_Word32 StartCapture( |
| const VideoCaptureCapability& capability); |
| virtual WebRtc_Word32 StopCapture(); |
| virtual bool CaptureStarted(); |
| virtual WebRtc_Word32 CaptureSettings(VideoCaptureCapability& settings); |
| |
| // TODO: remove? |
| int VideoCaptureInitThreadContext(); |
| int VideoCaptureTerminate(); |
| int VideoCaptureSetCaptureDevice(const char* deviceName, int size); |
| int UpdateCaptureSettings(int channel, webrtc::VideoCodec& inst, bool def); |
| int VideoCaptureRun(); |
| int VideoCaptureStop(); |
| |
| protected: |
| |
| private: // functions |
| |
| struct VideoCaptureMacName |
| { |
| VideoCaptureMacName(); |
| |
| enum { kVideoCaptureMacNameMaxSize = 64}; |
| char _name[kVideoCaptureMacNameMaxSize]; |
| CFIndex _size; |
| }; |
| |
| // Timeout value [ms] if we want to create a new device list or not |
| enum { kVideoCaptureDeviceListTimeout = 5000}; |
| // Temporary constant allowing this size from builtin iSight webcams. |
| enum { kYuy2_1280_1024_length = 2621440}; |
| |
| private: |
| |
| // Capture device callback |
| static OSErr SendProcess(SGChannel sgChannel, Ptr p, long len, long *offset, |
| long chRefCon, TimeValue time, short writeType, |
| long refCon); |
| int SendFrame(SGChannel sgChannel, char* data, long length, TimeValue time); |
| |
| // Capture device functions |
| int CreateLocalGWorld(int width, int height); |
| int RemoveLocalGWorld(); |
| int ConnectCaptureDevice(); |
| int DisconnectCaptureDevice(); |
| virtual bool IsCaptureDeviceSelected(); |
| |
| // Process to make sure the capture device won't stop |
| static bool GrabberUpdateThread(void*); |
| bool GrabberUpdateProcess(); |
| |
| // Starts and stops the capture |
| int StartQuickTimeCapture(); |
| int StopQuickTimeCapture(bool* wasCapturing = NULL); |
| |
| static CFIndex PascalStringToCString(const unsigned char* pascalString, |
| char* cString, |
| CFIndex bufferSize); |
| |
| private: // variables |
| WebRtc_Word32 _id; |
| bool _isCapturing; |
| VideoCaptureCapability _captureCapability; |
| CriticalSectionWrapper* _grabberCritsect; |
| CriticalSectionWrapper* _videoMacCritsect; |
| bool _terminated; |
| webrtc::ThreadWrapper* _grabberUpdateThread; |
| webrtc::EventWrapper* _grabberUpdateEvent; |
| SeqGrabComponent _captureGrabber; |
| Component _captureDevice; |
| char _captureDeviceDisplayName[64]; |
| RawVideoType _captureVideoType; |
| bool _captureIsInitialized; |
| GWorldPtr _gWorld; |
| SGChannel _captureChannel; |
| ImageSequence _captureSequence; |
| bool _sgPrepared; |
| bool _sgStarted; |
| int _trueCaptureWidth; |
| int _trueCaptureHeight; |
| ListWrapper _captureDeviceList; |
| unsigned long _captureDeviceListTime; |
| ListWrapper _captureCapabilityList; |
| }; |
| } // namespace webrtc |
| #endif // WEBRTC_MODULES_VIDEO_CAPTURE_MAIN_SOURCE_MAC_QUICKTIME_VIDEO_CAPTURE_QUICK_TIME_H_ |