/*
 * Copyright 2007, Haiku. All rights reserved.
 * Distributed under the terms of the MIT License.
 *
 * Authors:
 *              Stephan Aßmus <superstippi@gmx.de>
 */
#ifndef VIDEO_TRACK_SUPPLIER_H
#define VIDEO_TRACK_SUPPLIER_H


#include <MediaDefs.h>
#include <MediaFormats.h>

class VideoTrackSupplier {
public:
                                                                VideoTrackSupplier();
        virtual                                         ~VideoTrackSupplier();

        virtual const media_format&     Format() const = 0;
        virtual status_t                        GetEncodedFormat(media_format* format)
                                                                        const = 0;
        virtual status_t                        GetCodecInfo(media_codec_info* info) const = 0;
        virtual status_t                        ReadFrame(void* buffer,
                                                                        bigtime_t* performanceTime,
                                                                        const media_raw_video_format& format,
                                                                        bool& wasCached) = 0;
        virtual status_t                        FindKeyFrameForFrame(int64* frame) = 0;
        virtual status_t                        SeekToTime(bigtime_t* performanceTime) = 0;
        virtual status_t                        SeekToFrame(int64* frame) = 0;

        virtual bigtime_t                       Position() const = 0;
        virtual bigtime_t                       Duration() const = 0;
        virtual int64                           CurrentFrame() const = 0;

        virtual int32                           TrackIndex() const = 0;
};

#endif // VIDEO_TRACK_SUPPLIER_H