/*
 * Copyright (c) 2004-2007 Marcus Overhagen <marcus@overhagen.de>
 *
 * 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 all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR 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 LIABILITY, 
 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 
 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 
 * OTHER DEALINGS IN THE SOFTWARE.
 */
#ifndef __VIDEO_NODE_H_
#define __VIDEO_NODE_H_


#include <BufferConsumer.h>
#include <MediaEventLooper.h>

class BLocker;
class VideoView;


class VideoNode : public BMediaEventLooper, public BBufferConsumer {
public:
                                        VideoNode(const char *name, VideoView *view);
                                        ~VideoNode();

        void                    SetOverlayEnabled(bool yesno);
        bool                    IsOverlayActive();
        
        void                    LockBitmap();
        BBitmap *               Bitmap();
        void                    UnlockBitmap();

protected:      
        BMediaAddOn     *       AddOn(int32 *internal_id) const;

        void                    NodeRegistered();

        void                    BufferReceived(BBuffer * buffer);

        status_t                GetNextInput(int32 *cookie,     media_input *out_input);
        void                    DisposeInputCookie(int32 cookie);

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

        void                    HandleEvent(const media_timed_event *event,
                                                bigtime_t lateness, bool realTimeEvent);

        status_t                AcceptFormat(const media_destination &dst,
                                                media_format *format);

        void                    ProducerDataStatus(const media_destination &dst,
                                                int32 status, bigtime_t at_media_time);
                                                                                                                        
        status_t                GetLatencyFor(const media_destination &dst,
                                                bigtime_t *out_latency, media_node_id *out_id);

        status_t                Connected(const media_source &src,
                                                const media_destination &dst,
                                                const media_format &format, media_input *out_input);

        void                    Disconnected(const media_source &src,
                                                const media_destination &dst);

        status_t                FormatChanged(const media_source &src,
                                                const media_destination &dst, int32 from_change_count,
                                                const media_format &format);

protected:
        void                    HandleBuffer(BBuffer *buffer);
        status_t                CreateBuffers(BRect frame, color_space cspace, bool overlay);
        void                    DeleteBuffers();

protected:
        VideoView *             fVideoView;
        media_input             fInput;
        bool                    fOverlayEnabled;
        bool                    fOverlayActive;
        bool                    fDirectOverlayBuffer;   // If the overlay memory is directly written by the producer node.
        BBitmap *               fBitmap;
        BLocker *               fBitmapLocker;
};

#endif  // __VIDEO_NODE_H_