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 #include <QMutex>
23 #include <QImage>
24 
25 class AudioWaveformScopeWidget Q_DECL_FINAL : public ScopeWidget
26 {
27  Q_OBJECT
28 
29 public:
30  explicit AudioWaveformScopeWidget();
31  ~AudioWaveformScopeWidget();
32  QString getTitle() Q_DECL_OVERRIDE;
33 
34 private:
35  // Functions run in scope thread.
36  void refreshScope(const QSize& size, bool full) Q_DECL_OVERRIDE;
37  void createGrid(const QSize& size);
38 
39  // Functions run in GUI thread.
40  void paintEvent(QPaintEvent*) Q_DECL_OVERRIDE;
41  void mouseMoveEvent(QMouseEvent *event) Q_DECL_OVERRIDE;
42  void leaveEvent(QEvent *event) Q_DECL_OVERRIDE;
43 
44  // Members accessed only in scope thread (no thread protection).
45  QImage m_renderWave;
46  int m_graphTopPadding;
47  int m_graphLeftPadding;
48  int m_channels;
49 
50  // Members accessed only in GUI thread (no thread protection).
51  int m_cursorPos;
52 
53  // Members accessed in multiple threads (mutex protected).
54  QMutex m_mutex;
55  QImage m_displayWave;
56  QImage m_displayGrid;
57  SharedFrame m_frame;
58 };
59 
60 #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:49