Files
lmms/include/AudioPortAudio.h
saker a53e5ba2f6 Remove high quality mode from codebase (#7219)
Many, many years ago (93a456c), high quality mode was merely disabled after it was noted that it can be problematic rather than being completely removed. Remove it from the codebase so we can get rid of some code and clean things up a bit.
2024-04-27 07:59:02 -04:00

166 lines
3.5 KiB
C++

/*
* AudioPortAudio.h - device-class that performs PCM-output via PortAudio
*
* Copyright (c) 2008 Csaba Hruska <csaba.hruska/at/gmail.com>
*
* This file is part of LMMS - https://lmms.io
*
* This program 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.
*
* This program 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 this program (see COPYING); if not, write to the
* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301 USA.
*
*/
#ifndef LMMS_AUDIO_PORTAUDIO_H
#define LMMS_AUDIO_PORTAUDIO_H
#include <QObject>
#include "lmmsconfig.h"
#include "ComboBoxModel.h"
#ifdef LMMS_HAVE_PORTAUDIO
# include <portaudio.h>
# include "AudioDevice.h"
# include "AudioDeviceSetupWidget.h"
# if defined paNeverDropInput || defined paNonInterleaved
# define PORTAUDIO_V19
# else
# define PORTAUDIO_V18
# endif
#endif
namespace lmms
{
class AudioPortAudioSetupUtil : public QObject
{
Q_OBJECT
public slots:
void updateBackends();
void updateDevices();
void updateChannels();
public:
ComboBoxModel m_backendModel;
ComboBoxModel m_deviceModel;
};
#ifdef LMMS_HAVE_PORTAUDIO
namespace gui
{
class ComboBox;
class LcdSpinBox;
}
class AudioPortAudio : public AudioDevice
{
public:
AudioPortAudio( bool & _success_ful, AudioEngine* audioEngine );
~AudioPortAudio() override;
inline static QString name()
{
return QT_TRANSLATE_NOOP( "AudioDeviceSetupWidget", "PortAudio" );
}
int process_callback( const float *_inputBuffer,
float * _outputBuffer,
unsigned long _framesPerBuffer );
class setupWidget : public gui::AudioDeviceSetupWidget
{
public:
setupWidget( QWidget * _parent );
~setupWidget() override;
void saveSettings() override;
void show() override;
private:
gui::ComboBox * m_backend;
gui::ComboBox * m_device;
AudioPortAudioSetupUtil m_setupUtil;
} ;
private:
void startProcessing() override;
void stopProcessing() override;
#ifdef PORTAUDIO_V19
static int _process_callback( const void *_inputBuffer, void * _outputBuffer,
unsigned long _framesPerBuffer,
const PaStreamCallbackTimeInfo * _timeInfo,
PaStreamCallbackFlags _statusFlags,
void *arg );
#else
#define paContinue 0
#define paComplete 1
#define Pa_GetDeviceCount Pa_CountDevices
#define Pa_GetDefaultInputDevice Pa_GetDefaultInputDeviceID
#define Pa_GetDefaultOutputDevice Pa_GetDefaultOutputDeviceID
#define Pa_IsStreamActive Pa_StreamActive
static int _process_callback( void * _inputBuffer, void * _outputBuffer,
unsigned long _framesPerBuffer, PaTimestamp _outTime, void * _arg );
using PaTime = double;
using PaDeviceIndex = PaDeviceID;
using PaStreamParameters = struct
{
PaDeviceIndex device;
int channelCount;
PaSampleFormat sampleFormat;
PaTime suggestedLatency;
void *hostApiSpecificStreamInfo;
} PaStreamParameters;
#endif // PORTAUDIO_V19
PaStream * m_paStream;
PaStreamParameters m_outputParameters;
PaStreamParameters m_inputParameters;
bool m_wasPAInitError;
surroundSampleFrame * m_outBuf;
int m_outBufPos;
int m_outBufSize;
bool m_stopped;
} ;
#endif // LMMS_HAVE_PORTAUDIO
} // namespace lmms
#endif // LMMS_AUDIO_PORTAUDIO_H