X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=src%2Fkthumb.h;h=21b01fbff6ff5a94467e86b7f2a635b1a72bbb0a;hb=c3302003093710ee247ad84c0fe2ef3c579d417f;hp=489001752d75fe1b2ae7601af691974497dee4ab;hpb=b42e48710639324f86182a1458764b681d63a25f;p=kdenlive diff --git a/src/kthumb.h b/src/kthumb.h index 48900175..21b01fbf 100644 --- a/src/kthumb.h +++ b/src/kthumb.h @@ -24,6 +24,7 @@ #include #include +#include #include @@ -39,73 +40,80 @@ relevant signal that get's emitted once the call completes. namespace Mlt { -class Miracle; -class Consumer; class Producer; class Frame; -class Profile; -}; +} class ClipManager; +typedef QMap > audioByteArray; + class KThumb: public QObject { -Q_OBJECT public: + Q_OBJECT +public: - - KThumb(ClipManager *clipManager, KUrl url, const QString &id, const QString &hash, QObject * parent = 0, const char *name = 0); + explicit KThumb(ClipManager *clipManager, const KUrl &url, const QString &id, const QString &hash, QObject * parent = 0); ~KThumb(); void setProducer(Mlt::Producer *producer); - void askForAudioThumbs(const QString &id); bool hasProducer() const; void clearProducer(); void updateThumbUrl(const QString &hash); - void extractImage(int frame, int frame2); - QPixmap extractImage(int frame, int width, int height); + void extractImage(const QList &frames); + QImage extractImage(int frame, int width, int height); +#if KDE_IS_VERSION(4,5,0) + /** @brief Request thumbnails for the frame range. */ + void queryIntraThumbs(const QList &missingFrames); + /** @brief Query cached thumbnail. */ + QImage findCachedThumb(const QString &path); +#endif + void getThumb(int frame); + void getGenericThumb(int frame, int height, int type); public slots: - void updateClipUrl(KUrl url, const QString &hash); - static QPixmap getImage(KUrl url, int width, int height); + void updateClipUrl(const KUrl &url, const QString &hash); + void slotCreateAudioThumbs(); + +public: + static QPixmap getImage(const KUrl &url, int width, int height); // static QPixmap getImage(QDomElement xml, int frame, int width, int height); /* void getImage(KUrl url, int frame, int width, int height); void getThumbs(KUrl url, int startframe, int endframe, int width, int height);*/ - void stopAudioThumbs(); - void removeAudioThumb(); - void getAudioThumbs(int channel, double frame, double frameLength, int arrayWidth); - static QPixmap getImage(KUrl url, int frame, int width, int height); - static QImage getFrame(Mlt::Producer *producer, int framepos, int width, int height); + static QPixmap getImage(const KUrl& url, int frame, int width, int height); + static QImage getFrame(Mlt::Producer *producer, int framepos, int frameWidth, int displayWidth, int height); + static QImage getFrame(Mlt::Frame *frame, int frameWidth, int displayWidth, int height); /** @brief Calculates image variance, useful to know if a thumbnail is interesting. * @return an integer between 0 and 100. 0 means no variance, eg. black image while bigger values mean contrasted image * */ - static uint imageVariance(QImage image); + static uint imageVariance(const QImage &image); private slots: - void slotAudioThumbOver(); - void slotCreateAudioThumbs(); +#if KDE_IS_VERSION(4,5,0) + /** @brief Fetch all requested frames. */ + void slotGetIntraThumbs(); +#endif private: - QFuture m_audioThumbProducer; KUrl m_url; QString m_thumbFile; double m_dar; + double m_ratio; Mlt::Producer *m_producer; ClipManager *m_clipManager; QString m_id; - QList m_requestedThumbs; - QFuture m_future; - QFile m_audioThumbFile; - bool m_stopAudioThumbs; - double m_frame; - double m_frameLength; - int m_frequency; - int m_channels; - int m_arrayWidth; - void doGetThumbs(); + /** @brief Controls the intra frames thumbnails process (cached thumbnails). */ + QFuture m_intra; + /** @brief List of frame numbers from which we want to extract thumbnails. */ + QList m_intraFramesQueue; + QMutex m_mutex; + QImage getProducerFrame(int framepos, int frameWidth, int displayWidth, int height); signals: - void thumbReady(int, QImage); - void mainThumbReady(const QString &, QPixmap); - void audioThumbReady(QMap >); + void thumbReady(int, const QImage&); + void mainThumbReady(const QString &, const QPixmap&); + void audioThumbReady(const audioByteArray&); + /** @brief We have finished caching all requested thumbs. */ + void thumbsCached(); }; #endif