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/*
mpeg I video decoder (derived from mpeg_play)
Copyright (C) 2000 Martin Vogt
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU Library General Public License as published by
the Free Software Foundation.
For more information look at the file COPYRIGHT in this package
*/
#ifndef __VIDEO_H
#define __VIDEO_H
#include <stdio.h>
#include <stdlib.h>
#include <assert.h>
#include "decoderClass.h"
#include "recon.h"
#include "motionVector.h"
#include "slice.h"
#include "proto.h"
#include "../input/inputStream.h"
#include "../output/outputStream.h"
#include "../util/timeStamp.h"
#include "mpegVideoHeader.h"
#include "gop.h"
#include "picture.h"
#include "macroBlock.h"
#include "startCodes.h"
/* Define Parsing error codes. */
#define SYNC_TO_CLOSED_GOP 1
#define SYNC_HAS_CLOSED_GOP 2
#define SYNC_HAS_I_FRAME_SYNC 3
#define SYNC_HAS_P_FRAME_SYNC 4
#define SYNC_HAS_FRAME_SYNC 5
#define _SYNC_TO_GOP 1
#define _SYNC_TO_PIC 2
#define _SYNC_TO_NONE 3
/* Number of macroblocks to process in one call to mpegVidRsrc. */
#define MB_TQUANTUM 100
/* Video stream structure. */
class VideoDecoder {
public:
VideoDecoder(MpegVideoStream* mpegVideoStream,
MpegVideoHeader* initSequence);
~VideoDecoder();
int mpegVidRsrc(PictureArray* pictureArray);
// ugly callbacks FIX ME!
class MpegVideoStream* mpegVideoStream;
class DecoderClass* decoderClass;
class Recon* recon;
class MotionVector* motionVector;
class Slice* slice; /* Current slice. */
class MpegVideoHeader* mpegVideoHeader; /* Sequence info in stream */
class GOP* group;
class Picture* picture; /* Current picture. */
class MacroBlock* macroBlock; /* Current macroblock. */
void resyncToI_Frame();
private:
int syncState;
int ParseSeqHead();
int ParseGOP();
int ParsePicture();
int ParseSlice();
void doPictureDisplay(PictureArray* pictureArray);
MpegExtension* extension;
int frameCounter;
};
/* Declaration of global display pointer. */
extern int qualityFlag;
extern int gXErrorFlag;
#endif /* videoDecoder.h already included */
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