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Diffstat (limited to 'dgedit/player.h')
-rw-r--r-- | dgedit/player.h | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/dgedit/player.h b/dgedit/player.h new file mode 100644 index 0000000..af278f5 --- /dev/null +++ b/dgedit/player.h @@ -0,0 +1,82 @@ +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/*************************************************************************** + * player.h + * + * Tue Apr 15 10:34:18 CEST 2014 + * Copyright 2014 Bent Bisballe Nyeng + * deva@aasimon.org + ****************************************************************************/ + +/* + * This file is part of DrumGizmo. + * + * DrumGizmo is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * DrumGizmo is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with DrumGizmo; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. + */ +#ifndef __DRUMGIZMO_PLAYER_H__ +#define __DRUMGIZMO_PLAYER_H__ + +#include <QThread> +#include <QTimer> + +#include <ao/ao.h> + +#include "canvas.h" + +class Player : public QThread { +Q_OBJECT +public: + Player(Canvas *canvas); // TODO: Don't use canvas pointer here. Instead introduce setData slot or similar. + ~Player(); + + void run(); + + // TODO: Make these private. + // These two need to be public in order for the ugly hack in + // CanvasToolListen::playRange to work... + volatile bool playing; + volatile size_t pos; + +public slots: + /** + * Set gain scalar. + * This value is multiplied with each sample before it is played. + */ + void setGainScalar(double gain_scalar); + + /** + * Set gain is dB. + * Convenience method for setGainScalar. It simple recalculates the dB value + * to a scalar and sets the gain scalar accordingly. + */ + void setGainDB(double gain_db); + +signals: + void peakUpdate(double peak); + void positionUpdate(size_t position); + +private slots: + void reportTimeout(); + +private: + ao_device *dev; + Canvas *canvas; + + QTimer report_timer; + + double gain_scalar; + double peak; +}; + +#endif/*__DRUMGIZMO_PLAYER_H__*/ |