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 "gentime.h"
#include "definitions.h"
+#include "mlt/framework/mlt_types.h"
#include <kurl.h>
#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 seek(GenTime time);
+ void seek(int time);
void seekToFrame(int pos);
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();
/** @brief Stops playing.
* @param startTime time to seek to */
void stop(const GenTime & startTime);
- void setVolume(double volume);
+ int volume() const;
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);
GenTime seekPosition() const;
int seekFramePosition() const;
+ void emitFrameUpdated(Mlt::Frame&);
void emitFrameNumber(double position);
void emitConsumerStopped();
void refreshDisplay();
int resetProfile(const QString profileName);
double fps() const;
+
+ /** @brief Returns the width of a frame for this profile. */
+ int frameRenderWidth() const;
+ /** @brief Returns the display width of a frame for this profile. */
int renderWidth() const;
+ /** @brief Returns the height of a frame for this profile. */
int renderHeight() const;
/** @brief Returns display aspect ratio. */
double dar() const;
+ /** @brief Returns sample aspect ratio. */
+ double sar() const;
/*
* Playlist manipulation.
void mltCutClip(int track, GenTime position);
void mltInsertSpace(QMap <int, int> trackClipStartList, QMap <int, int> trackTransitionStartList, int track, const GenTime duration, const GenTime timeOffset);
int mltGetSpaceLength(const GenTime pos, int track, bool fromBlankStart);
+
+ /** @brief Returns the duration/length of @param track as reported by the track producer. */
int mltTrackDuration(int track);
+
bool mltResizeClipEnd(ItemInfo info, GenTime clipDuration);
bool mltResizeClipStart(ItemInfo info, GenTime diff);
bool mltResizeClipCrop(ItemInfo info, GenTime diff);
/** @brief Deletes an effect from a clip in MLT's playlist. */
bool mltRemoveEffect(int track, GenTime position, QString index, bool updateIndex, bool doRefresh = true);
+ bool mltRemoveTrackEffect(int track, QString index, bool updateIndex);
/** @brief Adds an effect to a clip in MLT's playlist. */
bool mltAddEffect(int track, GenTime position, EffectsParameterList params, bool doRefresh = true);
+ bool mltAddEffect(Mlt::Service service, EffectsParameterList params, int duration, bool doRefresh);
+ bool mltAddTrackEffect(int track, EffectsParameterList params);
/** @brief Edits an effect parameters in MLT's playlist. */
bool mltEditEffect(int track, GenTime position, EffectsParameterList params);
+ bool mltEditTrackEffect(int track, EffectsParameterList params);
/** @brief Updates the "kdenlive_ix" (index) value of an effect. */
void mltUpdateEffectPosition(int track, GenTime position, int oldPos, int newPos);
* It switches effects from oldPos and newPos, updating the "kdenlive_ix"
* (index) value. */
void mltMoveEffect(int track, GenTime position, int oldPos, int newPos);
+ void mltMoveTrackEffect(int track, int oldPos, int newPos);
/** @brief Enables/disables audio/video in a track. */
void mltChangeTrackState(int track, bool mute, bool blind);
*
* It creates a new "framebuffer" producer, which must have its "resource"
* property set to "video.mpg?0.6", where "video.mpg" is the path to the
- * clip and "0.6" is the speed in percentile. The newly created producer
+ * clip and "0.6" is the speed in percentage. The newly created producer
* will have its "id" property set to "slowmotion:parentid:speed", where
* "parentid" is the id of the original clip in the ClipManager list and
* "speed" is the current speed. */
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&);
+ /** @brief This property is used to decide if the renderer should send audio data for monitoring. */
+ bool analyseAudio;
+ /** @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);
+ void sendFrameUpdate();
private:
Mlt::Profile *m_mltProfile;
double m_framePosition;
double m_fps;
+ bool m_externalConsumer;
/** @brief True if we are playing a zone.
*
/** @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();
signals:
/** @brief The renderer received a reply to a getFileProperties request. */
- void replyGetFileProperties(const QString &clipId, Mlt::Producer*, const QMap < QString, QString > &, const QMap < QString, QString > &, bool);
+ void replyGetFileProperties(const QString &clipId, Mlt::Producer*, const QMap < QString, QString > &, const QMap < QString, QString > &, bool, bool);
/** @brief The renderer received a reply to a getImage request. */
void replyGetImage(const QString &, const QPixmap &);
/** @brief The renderer started rendering. */
void rendering(const GenTime &);
- /** @brief The rendering has finished. */
+ /** @brief The rendering has finished.
+ @see consumer_frame_show
+ This signal seems to be useless; use renderPosition(int) instead --Granjow */
void renderFinished();
/* @brief The current seek position has been changed by the renderer.
void durationChanged(int);
void rendererPosition(int);
void rendererStopped(int);
+ /** @brief The clip is not valid, should be removed from project. */
void removeInvalidClip(const QString &, bool replaceProducer);
+ /** @brief The proxy is not valid, should be deleted. */
+ void removeInvalidProxy(const QString &);
void refreshDocumentProducers();
/** @brief A frame's image has to be shown.
*
* Used in Mac OS X. */
void showImageSignal(QImage);
+ void showAudioSignal(const QByteArray);
+ /** @brief The renderer refreshed the current frame, but no seeking was done. */
+ void frameUpdated(QImage);
+ /** @brief This signal contains the audio of the current frame. */
+ void audioSamplesSignal(const QVector<int16_t>&, int freq, int num_channels, int num_samples);
public slots:
bool isValid(KUrl url);
/** @brief Requests the file properties for the specified URL.
- *
+ @param xml The xml parameters for the clip
+ @param clipId The clip Id string
+ @param imageHeight The height (in pixels) of the returned thumbnail (height of a treewidgetitem in projectlist)
+ @param replaceProducer If true, the MLT producer will be recreated
+ @param selectClip If true, clip item will be selected in project view
* Upon return, the result will be emitted via replyGetFileProperties().
* Wraps the VEML command of the same name. */
- void getFileProperties(const QDomElement xml, const QString &clipId, int imageHeight, bool replaceProducer = true);
+ void getFileProperties(const QDomElement xml, const QString &clipId, int imageHeight, bool replaceProducer = true, bool selectClip = false);
void exportFileToFirewire(QString srcFileName, int port, GenTime startTime, GenTime endTime);
- static char *decodedString(QString str);
void mltSavePlaylist();
void slotSplitView(bool doit);
void slotSwitchFullscreen();
+ void slotSetVolume(int volume);
};
#endif
projects / kdenlive / blobdiff