krender.h - description
-------------------
begin : Fri Nov 22 2002
- copyright : (C) 2002 by Jason Wood
- email : jasonwood@blueyonder.co.uk
+ copyright : (C) 2002 by Jason Wood (jasonwood@blueyonder.co.uk)
+ copyright : (C) 2010 by Jean-Baptiste Mardelle (jb@kdenlive.org)
+
***************************************************************************/
/***************************************************************************
/**
* @class Render
- * @author Jason Wood
* @brief Client side of the interface to a renderer.
*
* From Kdenlive's point of view, you treat the Render object as the renderer,
#include <QList>
#include <QEvent>
-#ifdef Q_WS_MAC
-#include "videoglwidget.h"
-#endif
class Render;
enum FailStates { OK = 0,
APP_NOEXIST
};
+ /** @brief Build a MLT Renderer
+ * @param rendererName A unique identifier for this renderer
+ * @param winid The parent widget identifier (required for SDL display). Set to 0 for OpenGL rendering
+ * @param profile The MLT profile used for the renderer (default one will be used if empty). */
+ Render(const QString & rendererName, int winid, QString profile = QString(), QWidget *parent = 0);
- Render(const QString & rendererName, int winid, int extid, QString profile = QString(), QWidget *parent = 0);
+ /** @brief Destroy the MLT Renderer. */
~Render();
/** @brief Seeks the renderer clip to the given time. */
void seekToFrameDiff(int diff);
int m_isBlocked;
- //static QPixmap getVideoThumbnail(char *profile, QString file, int frame, int width, int height);
QPixmap getImageThumbnail(KUrl url, int width, int height);
- /* Return thumbnail for color clip
- void getImage(int id, QString color, QPoint size);*/
-
- // static QPixmap frameThumbnail(Mlt::Frame *frame, int width, int height, bool border = false);
-
- /* Return thumbnail for image clip
- void getImage(KUrl url, QPoint size);*/
-
- /* Requests a particular frame from the given file.
- *
- * The pixmap will be returned by emitting the replyGetImage() signal.
- void getImage(KUrl url, int frame, QPoint size);*/
-
+ /** @brief Sets the current MLT producer playlist.
+ * @param list The xml describing the playlist
+ * @param position (optional) time to seek to */
int setSceneList(QDomDocument list, int position = 0);
- /** @brief Sets the current scene list.
- * @param list new scene list
+ /** @brief Sets the current MLT producer playlist.
+ * @param list new playlist
* @param position (optional) time to seek to
* @return 0 when it has success, different from 0 otherwise
*
- * Creates the producer from the MLT XML QDomDocument. Wraps the VEML
- * command of the same name. */
+ * Creates the producer from the text playlist. */
int setSceneList(QString playlist, int position = 0);
int setProducer(Mlt::Producer *producer, int position);
+
+ /** @brief Get the current MLT producer playlist.
+ * @return A string describing the playlist */
const QString sceneList();
bool saveSceneList(QString path, QDomElement kdenliveData = QDomElement());
* @param speed speed to play the scene to
*
* The speed is relative to normal playback, e.g. 1.0 is normal speed, 0.0
- * is paused, -1.0 means play backwards. It does not specify start/stop
- * times for playback. Wraps the VEML command of the same name. */
+ * is paused, -1.0 means play backwards. It does not specify start/stop */
void play(double speed);
void switchPlay();
void pause();
QImage extractFrame(int frame_position, int width = -1, int height = -1);
/** @brief Plays the scene starting from a specific time.
- * @param startTime time to start playing the scene from
- *
- * Wraps the VEML command of the same name. */
+ * @param startTime time to start playing the scene from */
void play(const GenTime & startTime);
void playZone(const GenTime & startTime, const GenTime & stopTime);
void loopZone(const GenTime & startTime, const GenTime & stopTime);
void updatePreviewSettings();
void setDropFrames(bool show);
QString updateSceneListFps(double current_fps, double new_fps, QString scene);
-#ifdef Q_WS_MAC
void showFrame(Mlt::Frame&);
-#endif
- void showAudio(Mlt::Frame&);
+
+ void showAudio(Mlt::Frame&);
/** @brief This property is used to decide if the renderer should convert it's frames to QImage for use in other Kdenlive widgets. */
bool sendFrameForAnalysis;
QList <int> checkTrackSequence(int);
/** @brief A human-readable description of this renderer. */
int m_winid;
-#ifdef Q_WS_MAC
- VideoGLWidget *m_glWidget;
-#endif
void closeMlt();
void mltCheckLength(Mlt::Tractor *tractor);
void mltPasteEffects(Mlt::Producer *source, Mlt::Producer *dest);
QMap<QString, QString> mltGetTransitionParamsFromXml(QDomElement xml);
QMap<QString, Mlt::Producer *> m_slowmotionProducers;
+
+ /** @brief Build the MLT Consumer object with initial settings.
+ * @param profileName The MLT profile to use for the consumer */
void buildConsumer(const QString profileName);
void resetZoneMode();
void fillSlowMotionProducers();
*
* Used in Mac OS X. */
void showImageSignal(QImage);
- void showAudioSignal(QByteArray);
+ void showAudioSignal(const QByteArray);
/** @brief The renderer refreshed the current frame, but no seeking was done. */
void frameUpdated(QImage);
projects / kdenlive / blobdiff