/* bzflag
 * Copyright (c) 1993-2018 Tim Riker
 *
 * This package is free software;  you can redistribute it and/or
 * modify it under the terms of the license found in the file
 * named COPYING that should have accompanied this file.
 *
 * THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
 */

/* BeOSMedia:
 *  BeOS media stuff.
 */

#ifndef BZF_BEOS_MEDIA_H
#define BZF_BEOS_MEDIA_H

#include <OS.h>
#include <SoundPlayer.h>
#include "BzfMedia.h"


class BeOSMedia : public BzfMedia
{
public:
    BeOSMedia();
    ~BeOSMedia();
    /*
      BzfDisplay*         createDisplay(const char* name, const char*videoFormat);
      BzfVisual*  createVisual(const BzfDisplay*);
      BzfWindow*  createWindow(const BzfDisplay*, BzfVisual*);
    */
    bool              openAudio();
    void              closeAudio();
    bool              startAudioThread(void (*)(void*), void*);
    void              stopAudioThread();
    bool              hasAudioThread() const;
    void              writeSoundCommand(const void*, int);
    bool              readSoundCommand(void*, int);
    int                   getAudioOutputRate() const;
    int                   getAudioBufferSize() const;
    int                   getAudioBufferChunkSize() const;
    bool              isAudioTooEmpty() const;
    void              writeAudioFrames(const float* samples, int numFrames);
    void              audioSleep(bool checkLowWater, double maxTime);

    // sleep for given number of seconds
    double    stopwatch(bool start);
private:
    BeOSMedia(const BeOSMedia&);
    BeOSMedia& operator=(const BeOSMedia&);
    /*
      bool                checkForAudioHardware();
      bool                openAudioHardware();
      bool                openIoctl(int cmd, void* value, bool req = true);
    */
    static void           audioThreadInit(void*);
    /*
      void                writeAudioFrames8Bit(
      const float* samples, int numFrames);
      void                writeAudioFrames16Bit(
      const float* samples, int numFrames);
    */
    static void           audioplay_callback(void *cookie, void *buffer, size_t bufferSize,
            const media_raw_audio_format &format);

private:
    bool              audioReady;
    int               audioOutputRate;
    int               audioBufferSize;
    int               audioLowWaterMark;

    port_id           audioQueuePort;
    int               audioQueueMaxCmds;

    void*             outputBuffer;
    thread_id         childThreadID;
    //  void          *audioThreadCookie;
    BSoundPlayer          *soundPlayer;
    bool              audioHasQuit;
    bool              checkLowWater;
    sem_id            lowWaterSem;

    /* ring buffer */
    sem_id            audioInputSem;
    int               audioInputIndex;
    sem_id            audioOutputSem;
    int               audioOutputIndex;

    bigtime_t         stopWatchStart;
    /*
      int             chunksPending;
      double          chunkTime;
      double          chunksPerSecond;
    */
};

#endif // BZF_BEOS_MEDIA_H

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