sdl-mixer.h

/* ScummVM - Graphic Adventure Engine
 *
 * ScummVM is the legal property of its developers, whose names
 * are too numerous to list here. Please refer to the COPYRIGHT
 * file distributed with this source distribution.
 *
 * 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 3 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 <http://www.gnu.org/licenses/>.
 *
 */

#ifndef BACKENDS_MIXER_SDL_H
#define BACKENDS_MIXER_SDL_H

#include "backends/platform/sdl/sdl-sys.h"
#include "backends/mixer/mixer.h"

class SdlMixerManager : public MixerManager {
public:
    SdlMixerManager();
    virtual ~SdlMixerManager();

    virtual void init();

    // Used by Event recorder

    virtual void suspendAudio();

    virtual int resumeAudio();

protected:
    SDL_AudioSpec _obtained;

    virtual SDL_AudioSpec getAudioSpec(uint32 rate);

    virtual void startAudio();

    virtual void callbackHandler(byte *samples, int len);

    static void sdlCallback(void *this_, byte *samples, int len);
#if SDL_VERSION_ATLEAST(3, 0, 0)
    static void sdl3Callback(void *userdata, SDL_AudioStream *stream, int additional_amount, int total_amount);
#endif

    bool _isSubsystemInitialized;
    bool _isAudioOpen;

#if SDL_VERSION_ATLEAST(3, 0, 0)
    SDL_AudioStream *_stream = nullptr;
#endif
};

#endif