lumiera_documentation/src/proc/mobject/session/clip.cpp
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2007-11-27 03:19:35 +01:00

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C++

/*
Clip - 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.
* *****************************************************/
#include "proc/mobject/session/clip.hpp"
#include "proc/assetmanager.hpp"
#include "proc/asset/media.hpp"
#include "proc/asset/clip.hpp"
namespace mobject
{
namespace session
{
/** new clip-MO linked with the given asset::Clip.
* Initially, this clip will cover the whole source media length.
*/
Clip::Clip (const asset::Clip& clipDef, const Media& mediaDef)
: start_(0),
mediaDef_(mediaDef),
clipDef_(clipDef)
{
setupLength();
}
/** implementing the common MObject self test.
* Length definition is consitent, underlying
* media def is accessible etc. */
bool
Clip::isValid () const
{
TODO ("check consistency of clip length def, implies accessing the underlying media def");
return length > 0;
}
void
Clip::setupLength()
{
TODO ("really calculate the length of a clip and set length field");
this->length = mediaDef_.getLength();
}
PMedia
Clip::getMedia () const
{
return asset::AssetManager::getPtr (mediaDef_);
}
PClipAsset
Clip::findClipAsset () const
{
return asset::AssetManager::getPtr (clipDef_);
}
} // namespace mobject::session
} // namespace mobject