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