blob: 84e0667e1c83cb94897c578fb034821bb2db4406 [file] [log] [blame]
* 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
#include <QuickTime/QuickTime.h>
#include "../../device_info_impl.h"
#include "../../video_capture_impl.h"
#include "list_wrapper.h"
#define SLEEP(x) usleep(x * 1000);
namespace webrtc
class CriticalSectionWrapper;
class EventWrapper;
class ThreadWrapper;
class VideoCaptureMacQuickTime : public VideoCaptureImpl
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();
private: // functions
struct 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};
// 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