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jxrlib: Add library sources

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Rémi Bernon 2020-09-11 20:56:27 +02:00 • committed by Andrew Eikum
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jxrlib/image/encode/encode.h Normal file
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//*@@@+++@@@@******************************************************************
//
// Copyright © Microsoft Corp.
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// • Redistributions of source code must retain the above copyright notice,
// this list of conditions and the following disclaimer.
// • Redistributions in binary form must reproduce the above copyright notice,
// this list of conditions and the following disclaimer in the documentation
// and/or other materials provided with the distribution.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
// POSSIBILITY OF SUCH DAMAGE.
//
//*@@@---@@@@******************************************************************
#ifndef WMI_ENCODE_H
#define WMI_ENCODE_H
#include "strcodec.h"
/*************************************************************************
struct / class definitions
*************************************************************************/
Int EncodeMacroblockDC(CWMImageStrCodec*, CCodingContext *, Int, Int);
Int EncodeMacroblockLowpass(CWMImageStrCodec*, CCodingContext *, Int, Int);
Int EncodeMacroblockHighpass(CWMImageStrCodec*, CCodingContext *, Int, Int);
Int quantizeMacroblock(CWMImageStrCodec *);
Void transformMacroblock(CWMImageStrCodec *);
Void predMacroblockEnc(CWMImageStrCodec *);
Void AdaptLowpassEnc(CCodingContext *pContext);
Void AdaptHighpassEnc(CCodingContext *pContext);
Void ResetCodingContextEnc(CCodingContext *pContext);
Int AllocateCodingContextEnc(struct CWMImageStrCodec *pSC, Int iNumContexts, Int iTrimFlexBits);
Void FreeCodingContextEnc(struct CWMImageStrCodec *pSC);
Void predCBPEnc(CWMImageStrCodec *pSC, CCodingContext *pContext);
/*************************************************************************
Forward transform definitions
*************************************************************************/
/** 2-point pre filter for boundaries (only used in 420 UV DC subband) **/
Void strPre2(PixelI *, PixelI *);
/** 2x2 pre filter (only used in 420 UV DC subband) **/
Void strPre2x2(PixelI *, PixelI *, PixelI *, PixelI *);
/** 4-point pre filter for boundaries **/
Void strPre4(PixelI *, PixelI *, PixelI *, PixelI *);
/** data allocation in working buffer (first stage) **/
/** Y, 444 U and V **/
/** 0 1 2 3 **/
/** 32 33 34 35 **/
/** 64 65 66 67 **/
/** 96 97 98 99 **/
/** 420 U and V **/
/** 0 2 4 6 **/
/** 64 66 68 70 **/
/** 128 130 132 134 **/
/** 192 194 196 198 **/
/** 4x4 foward DCT for first stage **/
Void strDCT4x4FirstStage(PixelI *);
Void strDCT4x4FirstStage420UV(PixelI *);
Void strDCT4x4Stage1(PixelI*);
/** 4x4 pre filter for first stage **/
Void strPre4x4FirstStage(PixelI *);
Void strPre4x4FirstStage420UV(PixelI *);
Void strPre4x4Stage1Split(PixelI* p0, PixelI* p1, Int iOffset);
Void strPre4x4Stage1(PixelI* p, Int iOffset);
/** data allocation in working buffer (second stage)**/
/** Y, 444 U and V **/
/** 0 4 8 12 **/
/** 128 132 136 140 **/
/** 256 260 264 268 **/
/** 384 388 392 396 **/
/** 420 U and V **/
/** 0 8 **/
/** 256 264 **/
/** 4x4 foward DCT for second stage **/
Void strDCT4x4SecondStage(PixelI *);
Void strNormalizeEnc(PixelI *, Bool);
Void strDCT2x2dnEnc(PixelI *, PixelI *, PixelI *, PixelI *);
/** 4x4 pre filter for second stage **/
Void strPre4x4Stage2Split(PixelI* p0, PixelI* p1);
#endif // ENCODE_H