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