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initeffects.h

/***************************************************************************
                          initeffects.h  -  description
                             -------------------
    begin                :  Jul 2006
    copyright            : (C) 2006 by Jean-Baptiste Mardelle
    email                : jb@ader.ch
 ***************************************************************************/

/***************************************************************************
 *                                                                         *
 *   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.                                   *
 *                                                                         *
 ***************************************************************************/

#ifndef InitEffects_H
#define InitEffects_H

#include <klocale.h>
#include <QDomDocument>
#include <QThread>
#include <mlt++/Mlt.h>


/**Init the MLT effects
  *@author Jean-Baptiste Mardelle
  */

class EffectsList;

00033 class initEffectsThumbnailer : public QThread
{
    Q_OBJECT
public:
    initEffectsThumbnailer();
    void prepareThumbnailsCall(const QStringList&);
    void run();
private :
    QStringList m_list;

};

00045 class initEffects
{
public:

    /** @brief Fills the effects and transitions lists.
     * @ref fillTransitionsList
     * @ref parseEffectFile
     * @return pointer to the MLT repository
     *
     * It checks for all available effects and transitions, removes blacklisted
     * ones, calls fillTransitionsList() and parseEffectFile() to fill the lists
     * (with sorted, unique items) and then fills the global lists. */
    static Mlt::Repository *parseEffectFiles();
    static void refreshLumas();
    static QDomDocument createDescriptionFromMlt(Mlt::Repository* repository, const QString& type, const QString& name);
    static QDomDocument getUsedCustomEffects(QMap <QString, QString> effectids);

    /** @brief Fills the transitions list.
     * @param repository MLT repository
     * @param transitions list to save the transitions data in
     * @param names list of transitions names
     *
     * It creates an element for each transition, asking to MLT for information
     * when possible, using default parameters otherwise. It also adds some
     * "virtual" transition, and removes those not implemented. */
    static void fillTransitionsList(Mlt::Repository *repository,
                                    EffectsList *transitions,
                                    QStringList names);

    /** @brief Creates an element describing a transition parameter.
     * @param doc document containing the transition element
     * @param name parameter name
     * @param tag parameter tag
     * @param type parameter type (string, double, bool, etc.)
     * @return element with the parameter information */
    static QDomElement quickParameterFill(QDomDocument & doc, QString name,
                                          QString tag, QString type,
                                          QString def = QString(),
                                          QString min = QString(),
                                          QString max = QString(),
                                          QString list = QString(),
                                          QString listdisplaynames = QString(),
                                          QString factor = QString(),
                                          QString namedesc = QString(),
                                          QString format = QString(),
                                          QString opacity = QString());

    /** @brief Parses a file to record information about one or more effects.
     * @param customEffectList list of custom effect
     * @param audioEffectList list of audio effects
     * @param videoEffectList list of video effects
     * @param name file name
     * @param filtersList list of filters in the MLT repository
     * @param producersList list of producers in the MLT repository
     * @param repository MLT repository */
    static void parseEffectFile(EffectsList *customEffectList,
                                EffectsList *audioEffectList,
                                EffectsList *videoEffectList,
                                QString name, QStringList filtersList,
                                QStringList producersList,
                                Mlt::Repository *repository);

    /** @brief Reloads information about custom effects. */
    static void parseCustomEffectsFile();
    static const char* ladspaEffectString(int ladspaId, QStringList params);
    static void ladspaEffectFile(const QString & fname, int ladspaId, QStringList params);

    static const char* ladspaPitchEffectString(QStringList params);
    static const char* ladspaReverbEffectString(QStringList params);
    static const char* ladspaRoomReverbEffectString(QStringList params);
    static const char* ladspaEqualizerEffectString(QStringList params);
    static const char* ladspaDeclipEffectString(QStringList);
    static const char* ladspaVinylEffectString(QStringList params);
    static const char* ladspaLimiterEffectString(QStringList params);
    static const char* ladspaPitchShifterEffectString(QStringList params);
    static const char* ladspaPhaserEffectString(QStringList params);
    static const char* ladspaRateScalerEffectString(QStringList params);
    static const char* ladspaEqualizer15EffectString(QStringList params);

private:
    initEffects(); // disable the constructor
    static initEffectsThumbnailer thumbnailer;
};


#endif

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