v4l2rtspserver/inc/DeviceInterface.h

/* ---------------------------------------------------------------------------
** This software is in the public domain, furnished "as is", without technical
** support, and with no warranty, express or implied, as to its usefulness for
** any purpose.
**
** DeviceInterface.h
** 
** -------------------------------------------------------------------------*/


#pragma once


// ---------------------------------
// Device Interface
// ---------------------------------
class DeviceInterface
{
	public:
		virtual size_t read(char* buffer, size_t bufferSize) = 0;	
		virtual int getFd()                                  = 0;	
		virtual unsigned long getBufferSize()                = 0;
		virtual int getWidth()                               { return -1; }	
		virtual int getHeight()                              { return -1; }
		virtual int getVideoFormat()                         { return -1; }
		virtual unsigned long getSampleRate()                { return -1; }
		virtual unsigned long getChannels()                  { return -1; }
		virtual int           getAudioFormat()               { return -1; }				
		virtual ~DeviceInterface() {};
};