Ichthyostega
6bdf0e2cdc
(search & replace). Please feel free to add your name to any files to which you added any contributions. ALL SOURCECODE IS LICENCED UNDER THE TERMS AND CONDITIONS OF THE GPL (2 and above)
97 lines
2.7 KiB
C++
97 lines
2.7 KiB
C++
/*
|
|
CLIP.hpp - a Media Clip
|
|
|
|
Copyright (C) CinelerraCV
|
|
2007, Hermann Vosseler <Ichthyostega@web.de>
|
|
|
|
This program is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU General Public License as
|
|
published by the Free Software Foundation; either version 2 of the
|
|
License, or (at your option) any later version.
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program; if not, write to the Free Software
|
|
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
|
|
|
|
*/
|
|
|
|
|
|
#ifndef MOBJECT_SESSION_CLIP_H
|
|
#define MOBJECT_SESSION_CLIP_H
|
|
|
|
#include "proc/mobject/session/abstractmo.hpp"
|
|
|
|
|
|
namespace asset
|
|
{
|
|
class Media;
|
|
class Clip;
|
|
}
|
|
|
|
namespace mobject
|
|
{
|
|
namespace session
|
|
{
|
|
using asset::Media;
|
|
typedef shared_ptr<Media> PMedia;
|
|
typedef shared_ptr<asset::Clip> PClipAsset;
|
|
|
|
|
|
/**
|
|
* A user visible/editable Clip is a reference to a contiguous
|
|
* sequence of media data loaded as Asset into the current Session.
|
|
* As such, it is a virtual (non destructive) cut or edit of the
|
|
* source material and can be placed into the EDL to be rendered
|
|
* into the ouput. The actual media type of a clip will be derived
|
|
* at runtime by resolving this reference to the underlying Asset.
|
|
*
|
|
* @todo define how to denote Time positions /lengths. This is tricky,
|
|
* because it depends on the actual media type, and we want to encapsulate
|
|
* all these details as much as possible.
|
|
*/
|
|
class Clip : public AbstractMO
|
|
{
|
|
protected:
|
|
/** startpos in source */
|
|
Time start_;
|
|
|
|
const Media & mediaDef_;
|
|
const asset::Clip & clipDef_;
|
|
|
|
Clip (const asset::Clip&, const Media&);
|
|
friend class MObjectFactory;
|
|
|
|
|
|
virtual void setupLength();
|
|
|
|
public:
|
|
virtual bool isValid() const;
|
|
|
|
/** access the underlying media asset */
|
|
PMedia getMedia () const;
|
|
|
|
/** locate the corresponding asset
|
|
* representing this clip or the whole
|
|
* compound in case of a multichannel clip
|
|
*/
|
|
PClipAsset findClipAsset () const;
|
|
|
|
};
|
|
|
|
typedef Placement<Clip> PClipMO;
|
|
|
|
|
|
|
|
} // namespace mobject::session
|
|
|
|
/** Placement<Clip> defined to be subclass of Placement<MObject> */
|
|
DEFINE_SPECIALIZED_PLACEMENT (session::Clip);
|
|
|
|
|
|
} // namespace mobject
|
|
#endif
|