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)
+
***************************************************************************/
/***************************************************************************
* *
***************************************************************************/
-#ifndef KRENDER_H
-#define KRENDER_H
+/**
+ * @class Render
+ * @brief Client side of the interface to a renderer.
+ *
+ * From Kdenlive's point of view, you treat the Render object as the renderer,
+ * and simply use it as if it was local. Calls are asynchronous - you send a
+ * call out, and then receive the return value through the relevant signal that
+ * get's emitted once the call completes.
+ */
-#include <qdom.h>
-#include <qstring.h>
-#include <qmap.h>
-#include <QList>
-#include <QWidget>
+#ifndef RENDERER_H
+#define RENDERER_H
+
+#include "gentime.h"
+#include "definitions.h"
+#include "widgets/abstractmonitor.h"
+
+#include <mlt/framework/mlt_types.h>
#include <kurl.h>
-#include "gentime.h"
-/*#include "docclipref.h"
-#include "effectdesc.h"
-#include "effectparamdescfactory.h"*/
-
-#include <mlt++/Mlt.h>
-
-/**Render encapsulates the client side of the interface to a renderer.
-From Kdenlive's point of view, you treat the Render object as the
-renderer, and simply use it as if it was local. Calls are asyncrhonous -
-you send a call out, and then recieve the return value through the
-relevant signal that get's emitted once the call completes.
- *@author Jason Wood
- */
-
-class Render;
-//class EffectParamDesc;
+#include <QtXml/qdom.h>
+#include <QString>
+#include <QMap>
+#include <QList>
+#include <QEvent>
+#include <QMutex>
+#include <QFuture>
+#include <QSemaphore>
+#include <QTimer>
+
+class QGLWidget;
class QPixmap;
-namespace Mlt {
+class KComboBox;
+
+namespace Mlt
+{
class Consumer;
class Playlist;
+class Properties;
class Tractor;
+class Transition;
class Frame;
+class Field;
class Producer;
class Filter;
class Profile;
-class Multitrack;
+class Service;
+class Event;
+}
+
+struct requestClipInfo {
+ QDomElement xml;
+ QString clipId;
+ int imageHeight;
+ bool replaceProducer;
+
+ bool operator==(const requestClipInfo &a)
+ {
+ return clipId == a.clipId;
+ }
};
+class MltErrorEvent : public QEvent
+{
+public:
+ MltErrorEvent(const QString &message)
+ : QEvent(QEvent::User),
+ m_message(message)
+ {
+
+ }
+
+ QString message() const {
+ return m_message;
+ }
+
+private:
+ QString m_message;
+};
-class Render: public QObject {
-Q_OBJECT public:
+class Render: public AbstractRender
+{
+ Q_OBJECT public:
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(Kdenlive::MonitorId rendererName, int winid, QString profile = QString(), QWidget *parent = 0, QGLWidget *mainGLContext = 0);
+
+ /** @brief Destroy the MLT Renderer. */
+ virtual ~Render();
+
+ /** @brief Seeks the renderer clip to the given time. */
+ void seek(const GenTime &time);
+ void seek(int time);
+ void seekToFrameDiff(int diff);
+
+ QPixmap getImageThumbnail(const KUrl &url, int width, int height);
+
+ /** @brief Sets the current MLT producer playlist.
+ * @param list The xml describing the playlist
+ * @param position (optional) time to seek to */
+ int setSceneList(const QDomDocument &list, int position = 0);
+
+ /** @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 text playlist. */
+ int setSceneList(QString playlist, int position = 0);
+ int setProducer(Mlt::Producer *producer, int position);
- Render(const QString & rendererName, int winid, int extid, QWidget *parent = 0);
- ~Render();
+ /** @brief Get the current MLT producer playlist.
+ * @return A string describing the playlist */
+ const QString sceneList();
+ bool saveSceneList(QString path, QDomElement kdenliveData = QDomElement());
- /** Seeks the renderer clip to the given time. */
- void seek(GenTime time);
- void seekToFrame(int pos);
+ /** @brief Tells the renderer to play the scene at the specified speed,
+ * @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 */
+ void play(double speed);
+ void switchPlay(bool play);
+ void pause();
- //static QPixmap getVideoThumbnail(char *profile, QString file, int frame, int width, int height);
- QPixmap getImageThumbnail(KUrl url, int width, int height);
+ /** @brief Stops playing.
+ * @param startTime time to seek to */
+ void stop(const GenTime &startTime);
+ int volume() const;
- /** Return thumbnail for color clip */
- //void getImage(int id, QString color, QPoint size);
+ QImage extractFrame(int frame_position, const QString &path = QString(), int width = -1, int height = -1);
- // static QPixmap frameThumbnail(Mlt::Frame *frame, int width, int height, bool border = false);
+ /** @brief Plays the scene starting from a specific time.
+ * @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);
- /** Return thumbnail for image clip */
- //void getImage(KUrl url, QPoint size);
+ void saveZone(KUrl url, QString desc, QPoint zone);
+
+ /** @brief Save a clip in timeline to an xml playlist. */
+ bool saveClip(int track, const GenTime &position, const KUrl &url, const QString &desc = QString());
- /** Requests a particular frame from the given file.
+ /** @brief Return true if we are currently playing */
+ bool isPlaying() const;
+
+ /** @brief Returns the speed at which the renderer is currently playing.
*
- * The pixmap will be returned by emitting the replyGetImage() signal.
- * */
- //void getImage(KUrl url, int frame, QPoint size);
-
-
- /** Wraps the VEML command of the same name. Sets the current scene list to
- be list. */
- void setSceneList(QDomDocument list, int position = 0);
- void setSceneList(QString playlist, int position = 0);
- QString sceneList();
- void saveSceneList(QString path, QDomElement addedXml = QDomElement());
-
- /** Wraps the VEML command of the same name. Tells the renderer to
- play the current scene at the speed specified, relative to normal
- playback. e.g. 1.0 is normal speed, 0.0 is paused, -1.0 means play
- backwards. Does not specify start/stop times for playback.*/
- void play(double speed);
- void switchPlay();
- /** stop playing */
- void stop(const GenTime & startTime);
- void setVolume(double volume);
-
- QPixmap extractFrame(int frame_position, int width, int height);
- /** Wraps the VEML command of the same name. Tells the renderer to
- play the current scene at the speed specified, relative to normal
- playback. e.g. 1.0 is normal speed, 0.0 is paused, -1.0 means play
- backwards. Specifes the start/stop times for playback.*/
- void play(double speed, const GenTime & startTime);
- void play(double speed, const GenTime & startTime,
- const GenTime & stopTime);
-
- /** Returns the description of this renderer */
- QString description();
-
- /** Returns the name of the renderer. */
- const QString & rendererName() const;
-
- /** Returns the speed at which the renderer is currently playing, 0.0 if the renderer is
- not playing anything. */
- double playSpeed();
- /** Returns the current seek position of the renderer. */
- const GenTime & seekPosition() const;
-
- void emitFrameNumber(double position);
- void emitConsumerStopped();
-
- /** Gives the aspect ratio of the consumer */
- double consumerRatio() const;
+ * It returns 0.0 when the renderer is not playing anything. */
+ double playSpeed() const;
- void askForRefresh();
- void doRefresh();
+ /** @brief Returns the current seek position of the renderer. */
+ GenTime seekPosition() const;
+ int seekFramePosition() const;
- /** Save current producer frame as image */
- void exportCurrentFrame(KUrl url, bool notify);
-
- /** Turn on or off on screen display */
- void refreshDisplay();
- int resetProfile(QString profile);
- const double fps() const;
-
- /** Playlist manipulation */
- void mltInsertClip(int track, GenTime position, QDomElement element);
- void mltCutClip(int track, GenTime position);
- void mltResizeClipEnd(int track, GenTime pos, GenTime in, GenTime out);
- void mltResizeClipStart(int track, GenTime pos, GenTime moveEnd, GenTime moveStart, GenTime in, GenTime out);
- void mltMoveClip(int startTrack, int endTrack, GenTime pos, GenTime moveStart);
- void mltMoveClip(int startTrack, int endTrack, int pos, int moveStart);
- void mltRemoveClip(int track, GenTime position);
- void mltRemoveEffect(int track, GenTime position, QString index, bool doRefresh = true);
- void mltAddEffect(int track, GenTime position, QMap <QString, QString> args, bool doRefresh = true);
- void mltEditEffect(int track, GenTime position, QMap <QString, QString> args);
- void mltChangeTrackState(int track, bool mute, bool blind);
- void mltMoveTransition(QString type, int startTrack, int trackOffset, GenTime oldIn, GenTime oldOut, GenTime newIn, GenTime newOut);
- void mltAddTransition(QString tag, int a_track, int b_track, GenTime in, GenTime out, QMap <QString, QString> args);
- void mltDeleteTransition(QString tag, int a_track, int b_track, GenTime in, GenTime out, QMap <QString, QString> args);
- void mltUpdateTransition(QString oldTag, QString tag, int a_track, int b_track, GenTime in, GenTime out, QMap <QString, QString> args);
+ void emitFrameUpdated(Mlt::Frame&);
+ void emitFrameNumber();
+ void emitConsumerStopped(bool forcePause = false);
+ /** @brief Returns the aspect ratio of the consumer. */
+ double consumerRatio() const;
+
+ /** @brief Saves current producer frame as an image. */
+ void exportCurrentFrame(const KUrl &url, bool notify);
+
+ /** @brief Change the Mlt PROFILE
+ * @param profileName The MLT profile name
+ * @param dropSceneList If true, the current playlist will be deleted
+ * @return true if the profile was changed
+ * . */
+ int resetProfile(const QString& profileName, bool dropSceneList = false);
+ /** @brief Returns true if the render uses profileName as current profile. */
+ bool hasProfile(const QString& profileName) const;
+ 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;
+ /** @brief If monitor is active, refresh it. */
+ void refreshIfActive();
+ /** @brief Start the MLT monitor consumer. */
+ void startConsumer();
+
+ /*
+ * Playlist manipulation.
+ */
+ Mlt::Producer *checkSlowMotionProducer(Mlt::Producer *prod, QDomElement element);
+ int mltInsertClip(ItemInfo info, QDomElement element, Mlt::Producer *prod, bool overwrite = false, bool push = false);
+ bool mltUpdateClip(Mlt::Tractor *tractor, ItemInfo info, QDomElement element, Mlt::Producer *prod);
+ bool mltCutClip(int track, const 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 refresh = true);
+ bool mltResizeClipStart(ItemInfo info, GenTime diff);
+ bool mltResizeClipCrop(ItemInfo info, GenTime newCropStart);
+ bool mltMoveClip(int startTrack, int endTrack, GenTime pos, GenTime moveStart, Mlt::Producer *prod, bool overwrite = false, bool insert = false);
+ bool mltMoveClip(int startTrack, int endTrack, int pos, int moveStart, Mlt::Producer *prod, bool overwrite = false, bool insert = false);
+ bool mltRemoveClip(int track, GenTime position);
+
+ /** @brief Deletes an effect from a clip in MLT's playlist. */
+ bool mltRemoveEffect(int track, GenTime position, int index, bool updateIndex, bool doRefresh = true);
+ bool mltRemoveTrackEffect(int track, int 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 addFilterToService(Mlt::Service service, EffectsParameterList params, int duration);
+ bool mltAddEffect(Mlt::Service service, EffectsParameterList params, int duration, bool doRefresh);
+ bool mltAddTrackEffect(int track, EffectsParameterList params);
+
+ /** @brief Enable / disable clip effects.
+ * @param track The track where the clip is
+ * @param position The start position of the clip
+ * @param effectIndexes The list of effect indexes to enable / disable
+ * @param disable True if effects should be disabled, false otherwise */
+ bool mltEnableEffects(int track, const GenTime &position, const QList<int> &effectIndexes, bool disable);
+ /** @brief Enable / disable track effects.
+ * @param track The track where the effect is
+ * @param effectIndexes The list of effect indexes to enable / disable
+ * @param disable True if effects should be disabled, false otherwise */
+ bool mltEnableTrackEffects(int track, const QList<int> &effectIndexes, bool disable);
+
+ /** @brief Edits an effect parameters in MLT's playlist. */
+ bool mltEditEffect(int track, const GenTime &position, EffectsParameterList params);
+ bool mltEditTrackEffect(int track, EffectsParameterList params);
+
+ /** @brief Updates the "kdenlive_ix" (index) value of an effect. */
+ void mltUpdateEffectPosition(int track, const GenTime &position, int oldPos, int newPos);
+
+ /** @brief Changes the order of effects in MLT's playlist.
+ *
+ * It switches effects from oldPos and newPos, updating the "kdenlive_ix"
+ * (index) value. */
+ void mltMoveEffect(int track, const GenTime &position, int oldPos, int newPos);
+ void mltMoveTrackEffect(int track, int oldPos, int newPos);
-private: // Private attributes & methods
- /** The name of this renderer - useful to identify the renderes by what they do - e.g. background rendering, workspace monitor, etc... */
- QString m_name;
+ /** @brief Enables/disables audio/video in a track. */
+ void mltChangeTrackState(int track, bool mute, bool blind);
+ bool mltMoveTransition(QString type, int startTrack, int newTrack, int newTransitionTrack, GenTime oldIn, GenTime oldOut, GenTime newIn, GenTime newOut);
+ bool mltAddTransition(QString tag, int a_track, int b_track, GenTime in, GenTime out, QDomElement xml, bool refresh = true);
+ void mltDeleteTransition(QString tag, int a_track, int b_track, GenTime in, GenTime out, QDomElement xml, bool refresh = true);
+ void mltUpdateTransition(QString oldTag, QString tag, int a_track, int b_track, GenTime in, GenTime out, QDomElement xml, bool force = false);
+ void mltUpdateTransitionParams(QString type, int a_track, int b_track, GenTime in, GenTime out, QDomElement xml);
+ void mltAddClipTransparency(ItemInfo info, int transitiontrack, int id);
+ void mltMoveTransparency(int startTime, int endTime, int startTrack, int endTrack, int id);
+ void mltDeleteTransparency(int pos, int track, int id);
+ void mltResizeTransparency(int oldStart, int newStart, int newEnd, int track, int id);
+ QList <TransitionInfo> mltInsertTrack(int ix, bool videoTrack);
+ void mltDeleteTrack(int ix);
+ bool mltUpdateClipProducer(Mlt::Tractor *tractor, int track, int pos, Mlt::Producer *prod);
+ void mltPlantTransition(Mlt::Field *field, Mlt::Transition &tr, int a_track, int b_track);
+ Mlt::Producer *invalidProducer(const QString &id);
+
+ /** @brief Changes the speed of a clip in MLT's playlist.
+ *
+ * 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 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. */
+ int mltChangeClipSpeed(ItemInfo info, ItemInfo speedIndependantInfo, double speed, double oldspeed, int strobe, Mlt::Producer *prod);
+
+ const QList <Mlt::Producer *> producersList();
+ void updatePreviewSettings();
+ void setDropFrames(bool show);
+ /** @brief Sets an MLT consumer property. */
+ void setConsumerProperty(const QString &name, const QString &value);
+ QString updateSceneListFps(double current_fps, double new_fps, const QString &scene);
+
+ void showAudio(Mlt::Frame&);
+
+ QList <int> checkTrackSequence(int);
+ void sendFrameUpdate();
+
+ /** @brief Returns a pointer to the main producer. */
+ Mlt::Producer *getProducer();
+ /** @brief Returns the number of clips to process (When requesting clip info). */
+ int processingItems();
+ /** @brief Processing of this clip is over, producer was set on clip, remove from list. */
+ void processingDone(const QString &id);
+ /** @brief Force processing of clip with selected id. */
+ void forceProcessing(const QString &id);
+ /** @brief Are we currently processing clip with selected id. */
+ bool isProcessing(const QString &id);
+
+ /** @brief Requests the file properties for the specified URL (will be put in a queue list)
+ @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 */
+ void getFileProperties(const QDomElement &xml, const QString &clipId, int imageHeight, bool replaceProducer = true);
+
+ /** @brief Lock the MLT service */
+ Mlt::Tractor *lockService();
+ /** @brief Unlock the MLT service */
+ void unlockService(Mlt::Tractor *tractor);
+ const QString activeClipId();
+ /** @brief Fill a combobox with the found blackmagic devices */
+ static bool getBlackMagicDeviceList(KComboBox *devicelist, bool force = false);
+ static bool getBlackMagicOutputDeviceList(KComboBox *devicelist, bool force = false);
+ /** @brief Frame rendering is handeled by Kdenlive, don't show video through SDL display */
+ void disablePreview(bool disable);
+ /** @brief Get current seek pos requested of SEEK_INACTIVE if we are not currently seeking */
+ int requestedSeekPosition;
+ /** @brief Get current seek pos requested of current producer pos if not seeking */
+ int getCurrentSeekPosition() const;
+ /** @brief Create a producer from url and load it in the monitor */
+ void loadUrl(const QString &url);
+ /** @brief Check if the installed FFmpeg / Libav supports x11grab */
+ static bool checkX11Grab();
+
+ /** @brief Ask to set this monitor as active */
+ void setActiveMonitor();
+
+ QSemaphore showFrameSemaphore;
+ bool externalConsumer;
+
+protected:
+ static void consumer_frame_show(mlt_consumer, Render * self, mlt_frame frame_ptr);
+ static void consumer_gl_frame_show(mlt_consumer, Render * self, mlt_frame frame_ptr);
+
+private:
+
+ /** @brief The name of this renderer.
+ *
+ * Useful to identify the renderers by what they do - e.g. background
+ * rendering, workspace monitor, etc. */
+ Kdenlive::MonitorId m_name;
Mlt::Consumer * m_mltConsumer;
Mlt::Producer * m_mltProducer;
- Mlt::Producer *m_mltTextProducer;
- Mlt::Filter *m_osdInfo;
Mlt::Profile *m_mltProfile;
- double m_framePosition;
+ Mlt::Event *m_showFrameEvent;
+ Mlt::Event *m_pauseEvent;
double m_fps;
- uint m_monitorId;
- bool m_generateScenelist;
- bool m_isBlocked;
- /** Holds the path to on screen display profile */
- QString m_osdProfile;
+ /** @brief True if we are playing a zone.
+ *
+ * It's determined by the "in" and "out" properties being temporarily
+ * changed. */
+ bool m_isZoneMode;
+ bool m_isLoopMode;
+ GenTime m_loopStart;
+
+ /** @brief True when the monitor is in split view. */
+ bool m_isSplitView;
+
+ Mlt::Producer *m_blackClip;
+ QString m_activeProfile;
- QTimer *refreshTimer;
- QTimer *osdTimer;
- QTimer *m_connectTimer;
- KUrl m_exportedFile;
- int exportDuration, firstExportFrame, lastExportFrame;
+ QTimer *m_osdTimer;
+ QTimer m_refreshTimer;
+ QMutex m_mutex;
+ QMutex m_infoMutex;
- /** A human-readable description of this renderer. */
- QString m_description;
+ /** @brief A human-readable description of this renderer. */
int m_winid;
- int m_externalwinid;
- /** The actually seek command, private so people can't avoid the buffering of multiple seek commands. */
- void sendSeekCommand(GenTime time);
- /** Sets the description of this renderer to desc. */
- void setDescription(const QString & description);
- void closeMlt();
- void mltCheckLength();
- mlt_tractor getTractor();
- mlt_playlist getPlaylist(int track);
+ QLocale m_locale;
+ QFuture <void> m_infoThread;
+ QList <requestClipInfo> m_requestList;
+ bool m_paused;
+ /** @brief True if this monitor is active. */
+ bool m_isActive;
+ QGLWidget *m_mainGLContext;
+ QGLWidget *m_GLContext;
+ Mlt::Filter* m_glslManager;
-private slots: // Private slots
- /** refresh monitor display */
+ void closeMlt();
+ void mltCheckLength(Mlt::Tractor *tractor);
+ void mltPasteEffects(Mlt::Producer *source, Mlt::Producer *dest);
+ QMap<QString, QString> mltGetTransitionParamsFromXml(const QDomElement &xml);
+ QMap<QString, Mlt::Producer *> m_slowmotionProducers;
+ /** @brief The ids of the clips that are currently being loaded for info query */
+ QStringList m_processingClipId;
+
+ /** @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();
+ /** @brief Get the track number of the lowest audible (non muted) audio track
+ * @param return The track number */
+ int getLowestNonMutedAudioTrack(Mlt::Tractor tractor);
+
+ /** @brief Make sure our audio mixing transitions are applied to the lowest track */
+ void fixAudioMixing(Mlt::Tractor tractor);
+ /** @brief Make sure we inform MLT if we need a lot of threads for avformat producer */
+ void checkMaxThreads();
+ /** @brief Clone serialisable properties only */
+ void cloneProperties(Mlt::Properties &dest, Mlt::Properties &source);
+
+private slots:
+
+ /** @brief Refreshes the monitor display. */
void refresh();
void slotOsdTimeout();
- void connectPlaylist();
- //void initSceneList();
+ /** @brief Process the clip info requests (in a separate thread). */
+ void processFileProperties();
+ /** @brief A clip with multiple video streams was found, ask what to do. */
+ void slotMultiStreamProducerFound(const QString &path, QList<int> audio_list, QList<int> video_list, stringMap data);
+ void showFrame(Mlt::Frame *);
+ void slotCheckSeeking();
-signals: // Signals
- /** emitted when the renderer recieves a reply to a getFileProperties request. */
- void replyGetFileProperties(int clipId, const QMap < QString, QString > &, const QMap < QString, QString > &);
+signals:
- /** emitted when the renderer recieves a reply to a getImage request. */
- void replyGetImage(int , int, const QPixmap &, int, int);
- void replyGetImage(int, const QPixmap &, int, int);
+ /** @brief The renderer received a reply to a getFileProperties request. */
+ void replyGetFileProperties(const QString &clipId, Mlt::Producer*, const stringMap &, const stringMap &, bool replaceProducer);
- /** Emitted when the renderer stops, either playing or rendering. */
+ /** @brief The renderer received a reply to a getImage request. */
+ void replyGetImage(const QString &, const QString &, int, int);
+ void replyGetImage(const QString &, const QImage &);
+
+ /** @brief The renderer stopped, either playing or rendering. */
void stopped();
- /** Emitted when the renderer starts playing. */
+
+ /** @brief The renderer started playing. */
void playing(double);
- /** Emitted when the renderer is rendering. */
+
+ /** @brief The renderer started rendering. */
void rendering(const GenTime &);
- /** Emitted when rendering has finished */
- void renderFinished();
- /** Emitted when the current seek position has been changed by the renderer. */
-// void positionChanged(const GenTime &);
- /** Emitted when an error occurs within this renderer. */
+
+ /** @brief An error occurred within this renderer. */
void error(const QString &, const QString &);
void durationChanged(int);
void rendererPosition(int);
void rendererStopped(int);
-
-
-public slots: // Public slots
- /** Start Consumer */
+ /** @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.
+ * @param id The original clip's id
+ * @param durationError Should be set to true if the proxy failed because it has not same length as original clip
+ */
+ void removeInvalidProxy(const QString &id, bool durationError);
+ void refreshDocumentProducers(bool displayRatioChanged, bool fpsChanged);
+ /** @brief A proxy clip is missing, ask for creation. */
+ void requestProxy(QString);
+ /** @brief A multiple stream clip was found. */
+ void multiStreamFound(const QString &,QList<int>,QList<int>,stringMap data);
+
+
+ /** @brief A frame's image has to be shown.
+ *
+ * Used in Mac OS X. */
+ void showImageSignal(QImage);
+ void showImageSignal(GLuint);
+ void showAudioSignal(const QVector<double> &);
+ void addClip(const KUrl &, stringMap);
+ void checkSeeking();
+ /** @brief Activate current monitor. */
+ void activateMonitor(Kdenlive::MonitorId);
+ void mltFrameReceived(Mlt::Frame *);
+
+public slots:
+
+ /** @brief Starts the consumer. */
void start();
- /** Stop Consumer */
+
+ /** @brief Stops the consumer. */
void stop();
- void clear();
int getLength();
- /** If the file is readable by mlt, return true, otherwise false */
- bool isValid(KUrl url);
- /** Wraps the VEML command of the same name. Requests the file properties
- for the specified url from the renderer. Upon return, the result will be emitted
- via replyGetFileProperties(). */
- void getFileProperties(const QDomElement &xml, int clipId);
+ /** @brief Checks if the file is readable by MLT. */
+ bool isValid(const KUrl &url);
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);
+ void seekToFrame(int pos);
+ /** @brief Starts a timer to query for a refresh. */
+ void doRefresh();
};
#endif