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DeviceSource.hh
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16 // "liveMedia"
17 // Copyright (c) 1996-2021 Live Networks, Inc. All rights reserved.
18 // A template for a MediaSource encapsulating an audio/video input device
19 //
20 // NOTE: Sections of this code labeled "%%% TO BE WRITTEN %%%" are incomplete, and needto be written by the programmer
21 // (depending on the features of the particulardevice).
22 // C++ header
23 
24 #ifndef _DEVICE_SOURCE_HH
25 #define _DEVICE_SOURCE_HH
26 
27 #ifndef _FRAMED_SOURCE_HH
28 #include "FramedSource.hh"
29 #endif
30 
31 // The following class can be used to define specific encoder parameters
33  //%%% TO BE WRITTEN %%%
34 };
35 
36 class DeviceSource: public FramedSource {
37 public:
39  DeviceParameters params);
40 
41 public:
43  // Note that this is defined here to be a static class variable, because this code is intended to illustrate how to
44  // encapsulate a *single* device - not a set of devices.
45  // You can, however, redefine this to be a non-static member variable.
46 
47 protected:
49  // called only by createNew(), or by subclass constructors
50  virtual ~DeviceSource();
51 
52 private:
53  // redefined virtual functions:
54  virtual void doGetNextFrame();
55  //virtual void doStopGettingFrames(); // optional
56 
57 private:
58  static void deliverFrame0(void* clientData);
59  void deliverFrame();
60 
61 private:
62  static unsigned referenceCount; // used to count how many instances of this class currently exist
64 };
65 
66 #endif
u_int32_t EventTriggerId
void deliverFrame()
virtual void doGetNextFrame()
static EventTriggerId eventTriggerId
Definition: DeviceSource.hh:42
DeviceSource(UsageEnvironment &env, DeviceParameters params)
static void deliverFrame0(void *clientData)
static unsigned referenceCount
Definition: DeviceSource.hh:62
DeviceParameters fParams
Definition: DeviceSource.hh:63
virtual ~DeviceSource()
static DeviceSource * createNew(UsageEnvironment &env, DeviceParameters params)