include/AudioPulseAudio.h

   1 /*
   2  * AudioPulseAudio.h - device-class which implements PulseAudio-output
   3  *
   4  * Copyright (c) 2008-2009 Tobias Doerffel <tobydox/at/users.sourceforge.net>
   5  *
   6  * This file is part of Linux MultiMedia Studio - http://lmms.sourceforge.net
   7  *
   8  * This program is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU General Public
  10  * License as published by the Free Software Foundation; either
  11  * version 2 of the License, or (at your option) any later version.
  12  *
  13  * This program is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16  * General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU General Public
  19  * License along with this program (see COPYING); if not, write to the
  20  * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  21  * Boston, MA 02110-1301 USA.
  22  *
  23  */
  24
  25 #ifndef _AUDIO_PULSEAUDIO_H
  26 #define _AUDIO_PULSEAUDIO_H
  27
  28 #include "lmmsconfig.h"
  29
  30 #ifdef LMMS_HAVE_PULSEAUDIO
  31
  32 #include <pulse/pulseaudio.h>
  33
  34 #include "AudioDevice.h"
  35
  36
  37 class lcdSpinBox;
  38 class QLineEdit;
  39
  40
  41 class AudioPulseAudio : public AudioDevice, public QThread
  42 {
  43 public:
  44         AudioPulseAudio( bool & _success_ful, mixer * _mixer );
  45         virtual ~AudioPulseAudio();
  46
  47         inline static QString name()
  48         {
  49                 return QT_TRANSLATE_NOOP( "setupWidget", "PulseAudio (bad latency!)" );
  50         }
  51
  52         static QString probeDevice();
  53
  54
  55         class setupWidget : public AudioDevice::setupWidget
  56         {
  57         public:
  58                 setupWidget( QWidget * _parent );
  59                 virtual ~setupWidget();
  60
  61                 virtual void saveSettings();
  62
  63         private:
  64                 QLineEdit * m_device;
  65                 lcdSpinBox * m_channels;
  66
  67         } ;
  68
  69
  70         void streamWriteCallback( pa_stream * s, size_t length );
  71
  72         pa_stream * m_s;
  73         pa_sample_spec m_sampleSpec;
  74
  75
  76 private:
  77         virtual void startProcessing();
  78         virtual void stopProcessing();
  79         virtual void applyQualitySettings();
  80         virtual void run();
  81
  82         volatile bool m_quit;
  83
  84         bool m_convertEndian;
  85
  86 } ;
  87
  88 #endif
  89
  90 #endif