1 /***************************************************************************
2 * Copyright (C) 2011 by Jean-Baptiste Mardelle (jb@kdenlive.org) *
4 * This program is free software; you can redistribute it and/or modify *
5 * it under the terms of the GNU General Public License as published by *
6 * the Free Software Foundation; either version 2 of the License, or *
7 * (at your option) any later version. *
9 * This program is distributed in the hope that it will be useful, *
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
12 * GNU General Public License for more details. *
14 * You should have received a copy of the GNU General Public License *
15 * along with this program; if not, write to the *
16 * Free Software Foundation, Inc., *
17 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA *
18 ***************************************************************************/
20 #ifndef ABSTRACTMONITOR_H
21 #define ABSTRACTMONITOR_H
33 class VideoPreviewContainer : public QFrame
37 VideoPreviewContainer(QWidget *parent = 0);
38 ~VideoPreviewContainer();
39 void setImage(QImage img);
44 virtual void paintEvent(QPaintEvent */*event*/);
47 QList <QImage *> m_imageQueue;
48 QTimer m_refreshTimer;
53 class AbstractRender: public QObject
57 /** @brief Build an abstract MLT Renderer
58 * @param name A unique identifier for this renderer
59 * @param winid The parent widget identifier (required for SDL display). Set to 0 for OpenGL rendering
60 * @param profile The MLT profile used for the renderer (default one will be used if empty). */
61 AbstractRender(const QString &name, QWidget *parent = 0):QObject(parent), sendFrameForAnalysis(false), m_name(name) {};
63 /** @brief Destroy the MLT Renderer. */
64 virtual ~AbstractRender() {};
66 /** @brief This property is used to decide if the renderer should convert it's frames to QImage for use in other Kdenlive widgets. */
67 bool sendFrameForAnalysis;
69 const QString &name() const {return m_name;};
71 /** @brief Someone needs us to send again a frame. */
72 virtual void sendFrameUpdate() = 0;
78 /** @brief The renderer refreshed the current frame. */
79 void frameUpdated(QImage);
81 /** @brief This signal contains the audio of the current frame. */
82 void audioSamplesSignal(QVector<int16_t>, int, int, int);
85 class AbstractMonitor : public QWidget
89 AbstractMonitor(QWidget *parent = 0): QWidget(parent) {};
90 virtual ~AbstractMonitor() {};
91 virtual AbstractRender *abstractRender() = 0;
92 virtual const QString name() const = 0;
95 virtual void stop() = 0;
96 virtual void start() = 0;