/*
 * Copyright 2005, Jérôme Duval. All rights reserved.
 * Distributed under the terms of the MIT License.
 *
 * Inspired by SoundCapture from Be newsletter (Media Kit Basics: Consumers and Producers)
 */

#ifndef SCOPEVIEW_H
#define SCOPEVIEW_H

#include <Bitmap.h>
#include <View.h>
#include <MediaTrack.h>


class ScopeView : public BView
{
public:
        ScopeView(BRect rect, uint32 resizeFlags);
        ~ScopeView();
        void AttachedToWindow();
        void DetachedFromWindow();
        void Draw(BRect updateRect);
        void SetMainTime(bigtime_t timestamp);
        void SetLeftTime(bigtime_t timestamp);
        void SetRightTime(bigtime_t timestamp);
        void SetTotalTime(bigtime_t timestamp, bool reset);
        void RenderTrack(BMediaTrack *track, const media_format &format);
        void CancelRendering();
        virtual void FrameResized(float width, float height);
        virtual void MouseDown(BPoint position);
private:
        void Run();
        void Quit();
        static int32 RenderLaunch(void *data);
        void RenderLoop();
        template<typename T, typename U> void ComputeRendering();
        void RenderBitmap();
        void InitBitmap();
        
        thread_id fThreadId;
        BBitmap *fBitmap;
        BView *fBitmapView;
        sem_id fRenderSem;
        bool fIsRendering;
        BMediaTrack *fMediaTrack;
        media_format fPlayFormat;
        
        bigtime_t fMainTime;
        bigtime_t fRightTime;
        bigtime_t fLeftTime;
        bigtime_t fTotalTime;
        int32 fPreview[20000];
        float fHeight;
};

#endif  /* SCOPEVIEW_H */