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source: SHVCSoftware/branches/SHM-dev/source/Lib/TLibCommon/TComYuv.h @ 1164

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Last change on this file since 1164 was 1029, checked in by seregin, 10 years ago
merge with SHM-upgrade branch
Property svn:eol-style set to `native`
File size: 12.5 KB

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[313]	1	/* The copyright in this software is being made available under the BSD
	2	* License, included below. This software may be subject to other third party
	3	* and contributor rights, including patent rights, and no such rights are
[1029]	4	* granted under this license.
[313]	5	*
[595]	6	* Copyright (c) 2010-2014, ITU/ISO/IEC
[313]	7	* All rights reserved.
	8	*
	9	* Redistribution and use in source and binary forms, with or without
	10	* modification, are permitted provided that the following conditions are met:
	11	*
	12	* * Redistributions of source code must retain the above copyright notice,
	13	* this list of conditions and the following disclaimer.
	14	* * Redistributions in binary form must reproduce the above copyright notice,
	15	* this list of conditions and the following disclaimer in the documentation
	16	* and/or other materials provided with the distribution.
	17	* * Neither the name of the ITU/ISO/IEC nor the names of its contributors may
	18	* be used to endorse or promote products derived from this software without
	19	* specific prior written permission.
	20	*
	21	* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
	22	* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	23	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	24	* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS
	25	* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
	26	* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
	27	* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
	28	* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
	29	* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
	30	* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
	31	* THE POSSIBILITY OF SUCH DAMAGE.
	32	*/
	33
	34	/** \file TComYuv.h
	35	\brief general YUV buffer class (header)
	36	\todo this should be merged with TComPicYuv \n
	37	check usage of removeHighFreq function
	38	*/
	39
	40	#ifndef __TCOMYUV__
	41	#define __TCOMYUV__
	42	#include <assert.h>
	43	#include "CommonDef.h"
	44	#include "TComPicYuv.h"
[1029]	45	#include "TComRectangle.h"
[313]	46
	47	//! \ingroup TLibCommon
	48	//! \{
	49
	50	// ====================================================================================================================
	51	// Class definition
	52	// ====================================================================================================================
	53
	54	/// general YUV buffer class
	55	class TComYuv
	56	{
	57	private:
[1029]	58
[313]	59	// ------------------------------------------------------------------------------------------------------------------
	60	// YUV buffer
	61	// ------------------------------------------------------------------------------------------------------------------
[1029]	62
	63	Pel* m_apiBuf[MAX_NUM_COMPONENT];
	64
[313]	65	// ------------------------------------------------------------------------------------------------------------------
	66	// Parameter for general YUV buffer usage
	67	// ------------------------------------------------------------------------------------------------------------------
[1029]	68
[313]	69	UInt m_iWidth;
	70	UInt m_iHeight;
[1029]	71	ChromaFormat m_chromaFormatIDC; ////< Chroma Format
[313]	72
[1029]	73	// dims 16x16
	74	// blkSize=4x4
	75
	76	// these functions assume a square CU, of size widthwidth, split into square TUs each of size blkSizeblkSize.
	77	// iTransUnitIdx is the raster-scanned index of the sub-block (TU) in question.
	78	// eg for a 16x16 CU, with 4x4 TUs:
	79	// 0 1 2 3
	80	// 4 5 6 7
	81	// 8 9 10 11
	82	// 12 13 14 15
	83
	84	// So, for iTransUnitIdx=14, 14*4 & 15 =8=X offset.
	85	// 14*4 / 16 =3=Y block offset
	86	// 3416 = Y offset within buffer
	87
	88
[313]	89	public:
[1029]	90
	91	TComYuv ();
	92	virtual ~TComYuv ();
	93
[313]	94	// ------------------------------------------------------------------------------------------------------------------
	95	// Memory management
	96	// ------------------------------------------------------------------------------------------------------------------
[1029]	97
	98	Void create ( const UInt iWidth, const UInt iHeight, const ChromaFormat chromaFormatIDC ); ///< Create YUV buffer
	99	Void destroy (); ///< Destroy YUV buffer
	100	Void clear (); ///< clear YUV buffer
	101
[313]	102	// ------------------------------------------------------------------------------------------------------------------
	103	// Copy, load, store YUV buffer
	104	// ------------------------------------------------------------------------------------------------------------------
[1029]	105
[313]	106	// Copy YUV buffer to picture buffer
[1029]	107	Void copyToPicYuv ( TComPicYuv* pcPicYuvDst, const UInt ctuRsAddr, const UInt uiAbsZorderIdx, const UInt uiPartDepth = 0, const UInt uiPartIdx = 0 ) const ;
	108	Void copyToPicComponent ( const ComponentID id, TComPicYuv* pcPicYuvDst, const UInt iCtuRsAddr, const UInt uiAbsZorderIdx, const UInt uiPartDepth = 0, const UInt uiPartIdx = 0 ) const ;
	109
[313]	110	// Copy YUV buffer from picture buffer
[1029]	111	Void copyFromPicYuv ( const TComPicYuv* pcPicYuvSrc, const UInt ctuRsAddr, const UInt uiAbsZorderIdx );
	112	Void copyFromPicComponent ( const ComponentID id, const TComPicYuv* pcPicYuvSrc, const UInt iCtuRsAddr, const UInt uiAbsZorderIdx );
	113
[313]	114	// Copy Small YUV buffer to the part of other Big YUV buffer
[1029]	115	Void copyToPartYuv ( TComYuv* pcYuvDst, const UInt uiDstPartIdx ) const ;
	116	Void copyToPartComponent ( const ComponentID id, TComYuv* pcYuvDst, const UInt uiDstPartIdx ) const ;
	117
[313]	118	// Copy the part of Big YUV buffer to other Small YUV buffer
[1029]	119	Void copyPartToYuv ( TComYuv* pcYuvDst, const UInt uiSrcPartIdx ) const;
	120	Void copyPartToComponent ( const ComponentID id, TComYuv* pcYuvDst, const UInt uiSrcPartIdx ) const;
	121
[313]	122	// Copy YUV partition buffer to other YUV partition buffer
[1029]	123	Void copyPartToPartYuv ( TComYuv* pcYuvDst, const UInt uiPartIdx, const UInt uiWidth, const UInt uiHeight ) const;
	124	Void copyPartToPartComponent ( const ComponentID id, TComYuv* pcYuvDst, const UInt uiPartIdx, const UInt uiWidthComponent, const UInt uiHeightComponent ) const;
[313]	125
[1029]	126	// Copy YUV partition buffer to other YUV partition buffer for non-square blocks
	127	Void copyPartToPartComponentMxN ( const ComponentID id, TComYuv* pcYuvDst, const TComRectangle &rect ) const;
	128
[313]	129	// ------------------------------------------------------------------------------------------------------------------
	130	// Algebraic operation for YUV buffer
	131	// ------------------------------------------------------------------------------------------------------------------
[1029]	132
[313]	133	// Clip(pcYuvSrc0 + pcYuvSrc1) -> m_apiBuf
[1029]	134	Void addClip ( const TComYuv* pcYuvSrc0, const TComYuv* pcYuvSrc1, const UInt uiTrUnitIdx, const UInt uiPartSize );
	135
[313]	136	// pcYuvSrc0 - pcYuvSrc1 -> m_apiBuf
[1029]	137	Void subtract ( const TComYuv* pcYuvSrc0, const TComYuv* pcYuvSrc1, const UInt uiTrUnitIdx, const UInt uiPartSize );
	138
[313]	139	// (pcYuvSrc0 + pcYuvSrc1)/2 for YUV partition
[1029]	140	Void addAvg ( const TComYuv* pcYuvSrc0, const TComYuv* pcYuvSrc1, const UInt iPartUnitIdx, const UInt iWidth, const UInt iHeight );
[313]	141
[1029]	142	Void removeHighFreq ( const TComYuv* pcYuvSrc, const UInt uiPartIdx, const UInt uiWidth, const UInt uiHeight );
	143
[313]	144	// ------------------------------------------------------------------------------------------------------------------
	145	// Access function for YUV buffer
	146	// ------------------------------------------------------------------------------------------------------------------
[1029]	147
[313]	148	// Access starting position of YUV buffer
[1029]	149	Pel* getAddr (const ComponentID id) { return m_apiBuf[id]; }
	150	const Pel* getAddr (const ComponentID id) const { return m_apiBuf[id]; }
	151
[313]	152	// Access starting position of YUV partition unit buffer
[1029]	153	Pel* getAddr (const ComponentID id, const UInt uiPartUnitIdx)
	154	{
	155	Int blkX = g_auiRasterToPelX[ g_auiZscanToRaster[ uiPartUnitIdx ] ] >> getComponentScaleX(id);
	156	Int blkY = g_auiRasterToPelY[ g_auiZscanToRaster[ uiPartUnitIdx ] ] >> getComponentScaleY(id);
	157	assert((blkX<getWidth(id) && blkY<getHeight(id)));
	158	return m_apiBuf[id] + blkX + blkY * getStride(id);
	159	}
	160	const Pel* getAddr (const ComponentID id, const UInt uiPartUnitIdx) const
	161	{
	162	Int blkX = g_auiRasterToPelX[ g_auiZscanToRaster[ uiPartUnitIdx ] ] >> getComponentScaleX(id);
	163	Int blkY = g_auiRasterToPelY[ g_auiZscanToRaster[ uiPartUnitIdx ] ] >> getComponentScaleY(id);
	164	assert((blkX<getWidth(id) && blkY<getHeight(id)));
	165	return m_apiBuf[id] + blkX + blkY * getStride(id);
	166	}
	167
[313]	168	// Access starting position of YUV transform unit buffer
[1029]	169	Pel* getAddr (const ComponentID id, const UInt iTransUnitIdx, const UInt iBlkSizeForComponent)
	170	{
	171	UInt width=getWidth(id);
	172	Int blkX = ( iTransUnitIdx * iBlkSizeForComponent ) & ( width - 1 );
	173	Int blkY = ( iTransUnitIdx * iBlkSizeForComponent ) &~ ( width - 1 );
	174	if (m_chromaFormatIDC==CHROMA_422 && id!=COMPONENT_Y) blkY<<=1;
	175	// assert((blkX<getWidth(id) && blkY<getHeight(id)));
	176	return m_apiBuf[id] + blkX + blkY * iBlkSizeForComponent;
	177	}
[313]	178
[1029]	179	const Pel* getAddr (const ComponentID id, const UInt iTransUnitIdx, const UInt iBlkSizeForComponent) const
	180	{
	181	UInt width=getWidth(id);
	182	Int blkX = ( iTransUnitIdx * iBlkSizeForComponent ) & ( width - 1 );
	183	Int blkY = ( iTransUnitIdx * iBlkSizeForComponent ) &~ ( width - 1 );
	184	if (m_chromaFormatIDC==CHROMA_422 && id!=COMPONENT_Y) blkY<<=1;
	185	// UInt w=getWidth(id), h=getHeight(id);
	186	// assert((blkX<w && blkY<h));
	187	return m_apiBuf[id] + blkX + blkY * iBlkSizeForComponent;
	188	}
	189
	190	// Access starting position of YUV transform unit buffer by pix offset for square & non-square blocks
	191	Pel* getAddrPix (const ComponentID id, const UInt iPixX, const UInt iPixY ) { return m_apiBuf[id] + iPixY * getStride(id) + iPixX; }
	192	const Pel* getAddrPix (const ComponentID id, const UInt iPixX, const UInt iPixY ) const { return m_apiBuf[id] + iPixY * getStride(id) + iPixX; }
	193
[313]	194	// Get stride value of YUV buffer
[1029]	195	UInt getStride (const ComponentID id) const { return m_iWidth >> getComponentScaleX(id); }
	196	UInt getHeight (const ComponentID id) const { return m_iHeight >> getComponentScaleY(id); }
	197	UInt getWidth (const ComponentID id) const { return m_iWidth >> getComponentScaleX(id); }
	198	ChromaFormat getChromaFormat () const { return m_chromaFormatIDC; }
	199	UInt getNumberValidComponents () const { return ::getNumberValidComponents(m_chromaFormatIDC); }
	200	UInt getComponentScaleX (const ComponentID id) const { return ::getComponentScaleX(id, m_chromaFormatIDC); }
	201	UInt getComponentScaleY (const ComponentID id) const { return ::getComponentScaleY(id, m_chromaFormatIDC); }
	202
[313]	203	};// END CLASS DEFINITION TComYuv
	204
	205	//! \}
	206
	207	#endif // __TCOMYUV__

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