AVReaderPlugin.hpp

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#ifndef _TUTTLE_PLUGIN_AV_READER_PLUGIN_HPP_
#define _TUTTLE_PLUGIN_AV_READER_PLUGIN_HPP_

#include <tuttle/plugin/context/ReaderPlugin.hpp>

#include <libav/LibAVPresetDefinitions.hpp>
#include <libav/LibAVVideoReader.hpp>
#include <libav/LibAVOptions.hpp>

#include <string>

namespace tuttle {
namespace plugin {
namespace av {
namespace reader {

struct AVReaderParams
{
        std::string _filepath;      ///< Ffmpeg filepath
};

/**
 * @brief AudioVideo plugin
 */
class AVReaderPlugin : public AVOptionPlugin< ReaderPlugin >
{
public:
        AVReaderPlugin( OfxImageEffectHandle handle );

public:
        bool ensureVideoIsOpen();

        AVReaderParams getProcessParams() const;

        void updateVisibleTools();
        void changedParam( const OFX::InstanceChangedArgs& args, const std::string& paramName );
        bool getRegionOfDefinition( const OFX::RegionOfDefinitionArguments& args, OfxRectD& rod );
        void getClipPreferences( OFX::ClipPreferencesSetter& clipPreferences );
        bool getTimeDomain( OfxRangeD& range );

        void beginSequenceRender( const OFX::BeginSequenceRenderArguments& args );
        void render( const OFX::RenderArguments& args );
        void endSequenceRender( const OFX::EndSequenceRenderArguments& args );

public:
        // do not need to delete these, the ImageEffect is managing them for us
        OFX::Clip*         _clipDst;           ///< Destination image clip

        OFX::StringParam*  _paramFilepath;     ///< video filepath
        OFX::BooleanParam* _paramUseCustomSAR; ///< Keep sample aspect ratio
        OFX::DoubleParam*  _paramCustomSAR;    ///< Custom SAR to use

        bool               _errorInFile;
        bool               _initReader;
        LibAVVideoReader   _reader;
};

}
}
}
}

#endif