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author | toma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da> | 2009-11-25 17:56:58 +0000 |
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committer | toma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da> | 2009-11-25 17:56:58 +0000 |
commit | e2de64d6f1beb9e492daf5b886e19933c1fa41dd (patch) | |
tree | 9047cf9e6b5c43878d5bf82660adae77ceee097a /mpeglib/lib/mpegplay/decoderClass.h | |
download | tdemultimedia-e2de64d6f1beb9e492daf5b886e19933c1fa41dd.tar.gz tdemultimedia-e2de64d6f1beb9e492daf5b886e19933c1fa41dd.zip |
Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.
BUG:215923
git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdemultimedia@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da
Diffstat (limited to 'mpeglib/lib/mpegplay/decoderClass.h')
-rw-r--r-- | mpeglib/lib/mpegplay/decoderClass.h | 96 |
1 files changed, 96 insertions, 0 deletions
diff --git a/mpeglib/lib/mpegplay/decoderClass.h b/mpeglib/lib/mpegplay/decoderClass.h new file mode 100644 index 00000000..2e969edc --- /dev/null +++ b/mpeglib/lib/mpegplay/decoderClass.h @@ -0,0 +1,96 @@ +/* + class for decoders + Copyright (C) 1999 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 __DECODERCLASS_H +#define __DECODERCLASS_H + + + +#include "videoDecoder.h" +#include "mpegVideoStream.h" +#include "decoderTables.h" +#include "slice.h" +#include "proto.h" +#include "../util/mmx/mmx.h" +#include "mmxidct.h" +#include "picture.h" + +/* Special values for DCT Coefficients */ +#define END_OF_BLOCK 62 +#define ESCAPE 61 + + +/* DCT coeff tables. */ +#define RUN_MASK 0xfc00 +#define LEVEL_MASK 0x03f0 +#define NUM_MASK 0x000f +#define RUN_SHIFT 10 +#define LEVEL_SHIFT 4 +#define RUNTYPE char + +class DecoderClass { + + int lmmx; + int zigzag_direct[256]; + + /* Block structure. */ + + short int dct_recon[8][8]; /* Reconstructed dct coeff matrix. */ + int dct_dc_y_past; /* Past lum. dc dct coefficient. */ + int dct_dc_cr_past; /* Past cr dc dct coefficient. */ + int dct_dc_cb_past; /* Past cb dc dct coefficient. */ + short int *reconptr; /* reconptr = dct_recon[0]; */ + + class VideoDecoder* vid_stream; + class MpegVideoStream* mpegVideoStream; + public: + DecoderClass(class VideoDecoder* vid_stream, + class MpegVideoStream* mpegVideoStream); + ~DecoderClass(); + int decodeDCTDCSizeLum(); + int decodeDCTDCSizeChrom(); + int decodeMotionVectors(); + int decodeCBP(); + + inline short int* getDCT() { return ((short int*) &(dct_recon[0][0]));} + void resetDCT(); + + void decodeMBTypeB(int& quant,int& motion_fwd, + int& motion_bwd,int& pat,int& intra); + + void decodeMBTypeI(int& quant,int& motion_fwd, + int& motion_bwd,int& pat,int& intra); + + void decodeMBTypeP(int& quant,int& motion_fwd, + int& motion_bwd,int& pat,int& intra); + + void ParseReconBlock(int& n,int& mb_intra,unsigned int& quant_scale, + int& lflag, + unsigned int* iqmatrixptr, + unsigned int* niqmatrixptr); + int decodeMBAddrInc(); + + + void print(); + + private: + + + inline void decodeDCTCoeff(unsigned short int* dct_coeff_tbl, + unsigned RUNTYPE& run, + int& level); + + + +}; +#endif |