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92 lines
2.0 KiB
C++
92 lines
2.0 KiB
C++
/*
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* AudioSdl.h - device-class that performs PCM-output via SDL
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*
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* Copyright (c) 2004-2009 Tobias Doerffel <tobydox/at/users.sourceforge.net>
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*
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* This file is part of LMMS - http://lmms.io
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public
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* License along with this program (see COPYING); if not, write to the
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* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301 USA.
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*
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*/
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#ifndef AUDIO_SDL_H
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#define AUDIO_SDL_H
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#include "lmmsconfig.h"
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#ifdef LMMS_HAVE_SDL
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#include <SDL/SDL.h>
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#include <SDL/SDL_audio.h>
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#include "AudioDevice.h"
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class QLineEdit;
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class AudioSdl : public AudioDevice
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{
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public:
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AudioSdl( bool & _success_ful, Mixer* mixer );
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virtual ~AudioSdl();
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inline static QString name()
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{
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return QT_TRANSLATE_NOOP( "setupWidget",
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"SDL (Simple DirectMedia Layer)" );
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}
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class setupWidget : public AudioDevice::setupWidget
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{
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public:
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setupWidget( QWidget * _parent );
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virtual ~setupWidget();
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virtual void saveSettings();
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private:
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QLineEdit * m_device;
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} ;
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private:
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virtual void startProcessing();
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virtual void stopProcessing();
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virtual void applyQualitySettings();
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static void sdlAudioCallback( void * _udata, Uint8 * _buf, int _len );
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void sdlAudioCallback( Uint8 * _buf, int _len );
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SDL_AudioSpec m_audioHandle;
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surroundSampleFrame * m_outBuf;
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Uint8 * m_convertedBuf;
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int m_convertedBufPos;
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int m_convertedBufSize;
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bool m_convertEndian;
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volatile bool m_stopped;
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QSemaphore m_stopSemaphore;
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} ;
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#endif
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#endif
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