AudioOutput.h

Go to the documentation of this file.

/*
 * Hydrogen
 * Copyright(c) 2002-2008 by Alex >Comix< Cominu [comix@users.sourceforge.net]
 * Copyright(c) 2008-2025 The hydrogen development team [hydrogen-devel@lists.sourceforge.net]
 *
 * http://www.hydrogen-music.org
 *
 * 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. If not, see https://www.gnu.org/licenses
 *
 */
#ifndef H2_AUDIO_OUTPUT_H
#define H2_AUDIO_OUTPUT_H
 
 
#include <core/config.h>
#include <core/Object.h>
 
namespace H2Core
{
 
typedef int  ( *audioProcessCallback )( uint32_t, void * );


class AudioOutput : public H2Core::Object<AudioOutput>
{
        H2_OBJECT(AudioOutput)
public:
        AudioOutput() = default;
        virtual ~AudioOutput() { }
 
        virtual int init( unsigned nBufferSize ) = 0;
        virtual int connect() = 0;
        virtual void disconnect() = 0;
        virtual unsigned getBufferSize() = 0;
        virtual unsigned getSampleRate() = 0;

        virtual int getLatency()
        {
                return getBufferSize();
        }

        virtual int getXRuns() const { return 0; }
        virtual float* getOut_L() = 0;
        virtual float* getOut_R() = 0;
 
        static QStringList getDevices() { return QStringList(); }
};
 
};
 
#endif