CuteLogger
Fast and simple logging solution for Qt based applications
audiowaveformscopewidget.h
1 /*
2  * Copyright (c) 2015-2020 Meltytech, LLC
3  *
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 3 of the License, or
7  * (at your option) any later version.
8  *
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.
13  *
14  * You should have received a copy of the GNU General Public License
15  * along with this program. If not, see <http://www.gnu.org/licenses/>.
16  */
17 
18 #ifndef AUDIOWAVEFORMSCOPEWIDGET_H
19 #define AUDIOWAVEFORMSCOPEWIDGET_H
20 
21 #include "scopewidget.h"
22 
23 #include <QImage>
24 #include <QMutex>
25 
26 class AudioWaveformScopeWidget Q_DECL_FINAL : public ScopeWidget
27 {
28  Q_OBJECT
29 
30 public:
31  explicit AudioWaveformScopeWidget();
32  ~AudioWaveformScopeWidget();
33  QString getTitle() Q_DECL_OVERRIDE;
34 
35 private:
36  // Functions run in scope thread.
37  void refreshScope(const QSize &size, bool full) Q_DECL_OVERRIDE;
38  void createGrid(const QSize &size);
39 
40  // Functions run in GUI thread.
41  void paintEvent(QPaintEvent *) Q_DECL_OVERRIDE;
42  void mouseMoveEvent(QMouseEvent *event) Q_DECL_OVERRIDE;
43  void leaveEvent(QEvent *event) Q_DECL_OVERRIDE;
44 
45  // Members accessed only in scope thread (no thread protection).
46  QImage m_renderWave;
47  int m_graphTopPadding;
48  int m_graphLeftPadding;
49  int m_channels;
50 
51  // Members accessed only in GUI thread (no thread protection).
52  int m_cursorPos;
53 
54  // Members accessed in multiple threads (mutex protected).
55  QMutex m_mutex;
56  QImage m_displayWave;
57  QImage m_displayGrid;
58  SharedFrame m_frame;
59 };
60 
61 #endif // AUDIOWAVEFORMSCOPEWIDGET_H
The ScopeWidget provides a common interface for all scopes in Shotcut.
Definition: scopewidget.h:58
virtual QString getTitle()=0
The SharedFrame provides thread safe access to Mlt::Frame data.
Definition: sharedframe.h:50