TimeShiftPlugin.cpp

Go to the documentation of this file.

#include "TimeShiftPlugin.hpp"
#include "TimeShiftDefinitions.hpp"

#include <boost/gil/gil_all.hpp>

namespace tuttle {
namespace plugin {
namespace timeShift {

TimeShiftPlugin::TimeShiftPlugin( OfxImageEffectHandle handle )
        : ImageEffectGilPlugin( handle )
{
        switch( getContext() )
        {
                case OFX::eContextRetimer:
                        // @todo tuttle: do something else...
                        _offset = fetchDoubleParam( kOfxImageEffectRetimerParamName );
                        break;
                default:
                        _offset = fetchDoubleParam( kParamOffset );
                        break;
        }
}

TimeShiftProcessParams<TimeShiftPlugin::Scalar> TimeShiftPlugin::getProcessParams() const
{
        TimeShiftProcessParams<TimeShiftPlugin::Scalar> params;
        params._offset = _offset->getValue();
        return params;
}

bool TimeShiftPlugin::getTimeDomain( OfxRangeD& range )
{
        TimeShiftProcessParams<TimeShiftPlugin::Scalar> params = getProcessParams();
        if( params._offset == 0 )
                return false;
        
        TUTTLE_TLOG( TUTTLE_INFO, "[Time Shift] TimeDomain--" );
        
        range = _clipSrc->getFrameRange();
        TUTTLE_TLOG_VAR2( TUTTLE_INFO, range.min, range.max );
        TUTTLE_TLOG_VAR( TUTTLE_INFO, params._offset );
        range.min += params._offset;
        range.max += params._offset;
        
        TUTTLE_TLOG_VAR2( TUTTLE_INFO, range.min, range.max );
        
        return true;
}

void TimeShiftPlugin::getFramesNeeded( const OFX::FramesNeededArguments &args, OFX::FramesNeededSetter &frames )
{
        TimeShiftProcessParams<TimeShiftPlugin::Scalar> params = getProcessParams();
        const OfxTime inTime = args.time - params._offset;
        const OfxRangeD range = { inTime, inTime };
        frames.setFramesNeeded( *_clipSrc, range );
        
        TUTTLE_TLOG( TUTTLE_INFO, "[Time Shift] FrameNeeded--" );
        TUTTLE_TLOG_VAR( TUTTLE_INFO, args.time );
        TUTTLE_TLOG_VAR( TUTTLE_INFO, params._offset );
        TUTTLE_TLOG_VAR( TUTTLE_INFO, inTime );
}

bool TimeShiftPlugin::isIdentity( const OFX::RenderArguments& args, OFX::Clip*& identityClip, double& identityTime )
{
        identityClip = _clipSrc;

        identityTime = args.time - _offset->getValue();
        
        TUTTLE_TLOG( TUTTLE_INFO, "[Time Shift] isIdentity--" );
        TUTTLE_TLOG_VAR( TUTTLE_INFO, args.time );
        TUTTLE_TLOG_VAR( TUTTLE_INFO, _offset->getValue() );
        TUTTLE_TLOG_VAR( TUTTLE_INFO, identityTime );
        
        return true;
}

/**
 * @brief The overridden render function
 * @param[in]   args     Rendering parameters
 */
void TimeShiftPlugin::render( const OFX::RenderArguments& args )
{
}


}
}
}