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/* -----------------------------------------------------------------
GEM - Graphics Environment for Multimedia
Load an digital video (like AVI, Mpeg, Quicktime) into a pix block
(OS independent interface)
Copyright (c) 2010-2011 IOhannes m zmölnig. forum::für::umläute. IEM. zmoelnig@iem.at
For information on usage and redistribution, and for a DISCLAIMER OF ALL
WARRANTIES, see the file, "GEM.LICENSE.TERMS" in this distribution.
-----------------------------------------------------------------*/
#ifndef _INCLUDE__GEM_PLUGINS_RECORD_H_
#define _INCLUDE__GEM_PLUGINS_RECORD_H_
#include "Gem/Image.h"
#include "Gem/Properties.h"
#include <string>
/*-----------------------------------------------------------------
-------------------------------------------------------------------
CLASS
record
parent class for the system- and library-dependent record-loader classes
KEYWORDS
pix record movie
DESCRIPTION
-----------------------------------------------------------------*/
namespace gem
{
namespace plugins
{
class GEM_EXTERN record
{
public:
//////////
// returns an instance wrapping all plugins or NULL
// if NULL is returned, you might still try your luck with manually accessing the
// PluginFactory
static record*getInstance(void);
/////////
// dtor must be virtual
virtual ~record(void);
/**
* get a list of supported codecs (short-form names, e.g. "mjpa")
*/
virtual std::vector<std::string>getCodecs(void) = 0;
/**
* get a human readable description of the given codec (e.g. "Motion Jpeg A")
*/
virtual const std::string getCodecDescription(const std::string&codecname) = 0;
/**
* set the current codec
*/
virtual bool setCodec(const std::string&name) = 0;
/**
* list all properties the currently selected codec supports
* if the enumeration fails, this returns <code>false</code>
*/
virtual bool enumProperties(gem::Properties&props) = 0;
//////////
// popup a dialog to set the codec interactively (interesting on os-x and w32)
// just return FALSE if you don't support dialogs
virtual bool dialog(void) = 0;
//////////
// start recording
/*
* returns TRUE if opening was successful, FALSE otherwise
*/
virtual bool start(const std::string&filename, gem::Properties&props) = 0;
//////////
// record a frame
virtual bool write(imageStruct*) = 0;
//////////
// stop recording
virtual void stop (void) = 0;
};
};
};
/*
* factory code:
* to use these macros, you have to include "plugins/PluginFactory.h"
*/
/**
* \fn REGISTER_RECORDFACTORY(const char *id, Class recordClass)
* registers a new class "recordClass" with the record-factory
*
* \param id a symbolic (const char*) ID for the given class
* \param recordClass a class derived from "record"
*/
#define REGISTER_RECORDFACTORY(id, TYP) static gem::PluginFactoryRegistrar::registrar<TYP, gem::plugins::record> fac_record_ ## TYP (id)
#endif // for header file
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