//------------------------------------------------------------------------------
//      Copyright (c) 2001-2002, Haiku
//
//      Permission is hereby granted, free of charge, to any person obtaining a
//      copy of this software and associated documentation files (the "Software"),
//      to deal in the Software without restriction, including without limitation
//      the rights to use, copy, modify, merge, publish, distribute, sublicense,
//      and/or sell copies of the Software, and to permit persons to whom the
//      Software is furnished to do so, subject to the following conditions:
//
//      The above copyright notice and this permission notice shall be included in
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//      IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
//      FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
//      AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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//      FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
//      DEALINGS IN THE SOFTWARE.
//
//      File Name:              GameProducer.cpp
//      Author:                 Christopher ML Zumwalt May (zummy@users.sf.net)
//      Description:    A MediaKit producer node which mixes sound from the GameKit
//                                      and sends them to the audio mixer
//------------------------------------------------------------------------------
#ifndef _GAME_PRODUCER_H
#define _GAME_PRODUCER_H


#include <media/BufferProducer.h>
#include <media/MediaEventLooper.h>
#include <GameSoundDefs.h>


class GameSoundBuffer;


class GameProducer : public BBufferProducer, public BMediaEventLooper {
public:
                                                                GameProducer(GameSoundBuffer* object,
                                                                        const gs_audio_format * format);
                                                                ~GameProducer();

        // BMediaNode methods
                        BMediaAddOn*            AddOn(int32* internal_id) const;

        // BBufferProducer methods
                        status_t                        FormatSuggestionRequested(media_type type,
                                                                        int32 quality, media_format* format);

                        status_t                        FormatProposal(const media_source& output,
                                                                        media_format* format);

                        status_t                        FormatChangeRequested(const media_source& source,
                                                                        const media_destination& destination,
                                                                        media_format* io_format,
                                                                        int32* _deprecated_);

                        status_t                        GetNextOutput(int32* cookie,
                                                                        media_output* _output);

                        status_t                        DisposeOutputCookie(int32 cookie);

                        status_t                        SetBufferGroup(const media_source& forSource,
                                                                        BBufferGroup* group);


                        status_t                        GetLatency(bigtime_t* _latency);

                        status_t                        PrepareToConnect(const media_source& what,
                                                                        const media_destination& where,
                                                                        media_format* format,
                                                                        media_source* _source,
                                                                        char* out_name);

                        void                            Connect(status_t error,
                                                                        const media_source& source,
                                                                        const media_destination& destination,
                                                                        const media_format& format,
                                                                        char* ioName);

                        void                            Disconnect(const media_source& what,
                                                                        const media_destination& where);

                        void                            LateNoticeReceived(const media_source& what,
                                                                        bigtime_t howMuch,
                                                                        bigtime_t performanceDuration);

                        void                            EnableOutput(const media_source & what,
                                                                        bool enabled, int32* _deprecated_);

                        status_t                        SetPlayRate(int32 numerator, int32 denominator);

                        status_t                        HandleMessage(int32 message, const void* data,
                                                                        size_t size);

                        void                            AdditionalBufferRequested(const media_source& source,
                                                                        media_buffer_id prev_buffer,
                                                                        bigtime_t prev_time,
                                                                        const media_seek_tag* prev_tag);

                        void                            LatencyChanged(const media_source& source,
                                                                        const media_destination& destination,
                                                                        bigtime_t new_latency,
                                                                        uint32 flags);

        // BMediaEventLooper methods
                        void                            NodeRegistered();
                        void                            SetRunMode(run_mode mode);
                        void                            HandleEvent(const media_timed_event* event,
                                                                        bigtime_t lateness,
                                                                        bool realTimeEvent = false);

        // GameProducer
                        status_t                        StartPlaying(GameSoundBuffer* sound);
                        status_t                        StopPlaying(GameSoundBuffer* sound);
                        bool                            IsPlaying(GameSoundBuffer* sound) const;

                        int32                           SoundCount() const;

private:
                        BBuffer*                        FillNextBuffer(bigtime_t event_time);

                        BBufferGroup*           fBufferGroup;
                        bigtime_t                       fLatency;
                        bigtime_t                       fInternalLatency;
                        media_output            fOutput;
                        bool                            fOutputEnabled;
                        media_format            fPreferredFormat;

                        bigtime_t                       fStartTime;
                        size_t                          fFrameSize;
                        int64                           fFramesSent;
                        GameSoundBuffer*        fObject;
                        size_t                          fBufferSize;
};


#endif  // _GAME_PRODUCER_H