PTLib
Version 2.10.10
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This class defines a video Input device control (Camera controls PTZ) More...
#include <videoio.h>
Public Types | |
typedef std::list< PVideoControlInfo > | InputDeviceControls |
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enum | InputControlType { ControlPan, ControlTilt, ControlZoom } |
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enum | Comparison { LessThan = -1, EqualTo = 0, GreaterThan = 1 } |
Result of the comparison operation performed by the Compare() function. More... | |
Public Member Functions | |
~PVideoInputControl () | |
virtual PBoolean | Pan (long value, bool absolute=false) |
virtual PBoolean | Tilt (long value, bool absolute=false) |
virtual PBoolean | Zoom (long value, bool absolute=false) |
long | GetPan () |
long | GetTilt () |
long | GetZoom () |
void | Reset () |
void | SetCurrentPosition (const InputControlType ctype, long current) |
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virtual | ~PObject () |
virtual PObject * | Clone () const |
Create a copy of the class on the heap. More... | |
virtual PINDEX | HashFunction () const |
This function yields a hash value required by the PDictionary class. More... | |
virtual const char * | GetClass (unsigned ancestor=0) const |
Get the current dynamic type of the object instance. More... | |
PBoolean | IsClass (const char *cls) const |
virtual PBoolean | InternalIsDescendant (const char *clsName) const |
Determine if the dynamic type of the current instance is a descendent of the specified class. More... | |
virtual Comparison | Compare (const PObject &obj) const |
Compare the two objects and return their relative rank. More... | |
virtual Comparison | CompareObjectMemoryDirect (const PObject &obj) const |
Determine the byte wise comparison of two objects. More... | |
bool | operator== (const PObject &obj) const |
Compare the two objects. More... | |
bool | operator!= (const PObject &obj) const |
Compare the two objects. More... | |
bool | operator< (const PObject &obj) const |
Compare the two objects. More... | |
bool | operator> (const PObject &obj) const |
Compare the two objects. More... | |
bool | operator<= (const PObject &obj) const |
Compare the two objects. More... | |
bool | operator>= (const PObject &obj) const |
Compare the two objects. More... | |
virtual void | PrintOn (ostream &strm) const |
Output the contents of the object to the stream. More... | |
virtual void | ReadFrom (istream &strm) |
Input the contents of the object from the stream. More... | |
Protected Member Functions | |
PBoolean | GetVideoControlInfo (const InputControlType ctype, PVideoControlInfo &control) |
PBoolean | GetDefaultPosition (const InputControlType ctype, long &def) |
PBoolean | GetCurrentPosition (const InputControlType ctype, long ¤t) |
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PObject () | |
Constructor for PObject, made protected so cannot ever create one on its own. More... | |
Protected Attributes | |
std::list< PVideoControlInfo > | m_info |
PMutex | ccmutex |
Additional Inherited Members | |
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static PString | AsString (const InputControlType &type) |
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static const char * | Class () |
Get the name of the class as a C string. More... | |
static Comparison | InternalCompareObjectMemoryDirect (const PObject *obj1, const PObject *obj2, PINDEX size) |
Internal function caled from CompareObjectMemoryDirect() More... | |
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InputControlType | type |
long | min |
long | max |
long | step |
long | def |
long | flags |
long | current |
This class defines a video Input device control (Camera controls PTZ)
typedef std::list<PVideoControlInfo> PVideoInputControl::InputDeviceControls |
PVideoInputControl::~PVideoInputControl | ( | ) |
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long PVideoInputControl::GetPan | ( | ) |
long PVideoInputControl::GetTilt | ( | ) |
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long PVideoInputControl::GetZoom | ( | ) |
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void PVideoInputControl::Reset | ( | ) |
void PVideoInputControl::SetCurrentPosition | ( | const InputControlType | ctype, |
long | current | ||
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