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a53e5ba2f6
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.
111 lines
2.6 KiB
C++
111 lines
2.6 KiB
C++
/*
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* AudioAlsa.h - device-class that implements ALSA-PCM-output
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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 - https://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 LMMS_AUDIO_ALSA_H
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#define LMMS_AUDIO_ALSA_H
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#include "lmmsconfig.h"
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#ifdef LMMS_HAVE_ALSA
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// older ALSA-versions might require this
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#define ALSA_PCM_NEW_HW_PARAMS_API
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#include <alsa/asoundlib.h>
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#include <QThread>
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#include "AudioDevice.h"
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namespace lmms
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{
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class AudioAlsa : public QThread, public AudioDevice
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{
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Q_OBJECT
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public:
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/**
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* @brief Contains the relevant information about available ALSA devices
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*/
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class DeviceInfo
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{
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public:
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DeviceInfo(QString const & deviceName, QString const & deviceDescription) :
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m_deviceName(deviceName),
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m_deviceDescription(deviceDescription)
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{}
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~DeviceInfo() = default;
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QString const & getDeviceName() const { return m_deviceName; }
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QString const & getDeviceDescription() const { return m_deviceDescription; }
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private:
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QString m_deviceName;
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QString m_deviceDescription;
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};
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using DeviceInfoCollection = std::vector<DeviceInfo>;
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public:
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AudioAlsa( bool & _success_ful, AudioEngine* audioEngine );
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~AudioAlsa() override;
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inline static QString name()
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{
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return QT_TRANSLATE_NOOP( "AudioDeviceSetupWidget",
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"ALSA (Advanced Linux Sound Architecture)" );
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}
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static QString probeDevice();
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static DeviceInfoCollection getAvailableDevices();
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private:
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void startProcessing() override;
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void stopProcessing() override;
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void run() override;
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int setHWParams( const ch_cnt_t _channels, snd_pcm_access_t _access );
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int setSWParams();
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int handleError( int _err );
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snd_pcm_t * m_handle;
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snd_pcm_uframes_t m_bufferSize;
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snd_pcm_uframes_t m_periodSize;
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snd_pcm_hw_params_t * m_hwParams;
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snd_pcm_sw_params_t * m_swParams;
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bool m_convertEndian;
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} ;
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} // namespace lmms
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#endif // LMMS_HAVE_ALSA
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#endif // LMMS_AUDIO_ALSA_H
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