bool slotStartPreview(const QString &producer, bool xmlFormat = false);
/** @brief A frame arrived from the MLT Video4Linux process. */
void gotCapturedFrame(Mlt::Frame& frame);
/** @brief Save current frame to file. */
void captureFrame(const QString &path);
bool slotStartPreview(const QString &producer, bool xmlFormat = false);
/** @brief A frame arrived from the MLT Video4Linux process. */
void gotCapturedFrame(Mlt::Frame& frame);
/** @brief Save current frame to file. */
void captureFrame(const QString &path);