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source: SHVCSoftware/branches/SHM-upgrade/source/Lib/TLibDecoder/TDecTop.h @ 918

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Last change on this file since 918 was 916, checked in by seregin, 10 years ago
initial porting
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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
4	* granted under this license.
5	*
6	* Copyright (c) 2010-2014, ITU/ISO/IEC
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 TDecTop.h
35	\brief decoder class (header)
36	*/
37
38	#ifndef __TDECTOP__
39	#define __TDECTOP__
40
41	#include "TLibCommon/CommonDef.h"
42	#include "TLibCommon/TComList.h"
43	#include "TLibCommon/TComPicYuv.h"
44	#include "TLibCommon/TComPic.h"
45	#include "TLibCommon/TComTrQuant.h"
46	#include "TLibCommon/SEI.h"
47	#if Q0048_CGS_3D_ASYMLUT
48	#include "TLibCommon/TCom3DAsymLUT.h"
49	#endif
50
51	#include "TDecGop.h"
52	#include "TDecEntropy.h"
53	#include "TDecSbac.h"
54	#include "TDecCAVLC.h"
55	#include "SEIread.h"
56
57	struct InputNALUnit;
58
59	//! \ingroup TLibDecoder
60	//! \{
61
62	// ====================================================================================================================
63	// Class definition
64	// ====================================================================================================================
65
66	/// decoder class
67	class TDecTop
68	{
69	private:
70	Int m_iMaxRefPicNum;
71
72	NalUnitType m_associatedIRAPType; ///< NAL unit type of the associated IRAP picture
73	Int m_pocCRA; ///< POC number of the latest CRA picture
74	Int m_pocRandomAccess; ///< POC number of the random access point (the first IDR or CRA picture)
75
76	TComList<TComPic*> m_cListPic; // Dynamic buffer
77	ParameterSetManagerDecoder m_parameterSetManagerDecoder; // storage for parameter sets
78	TComSlice* m_apcSlicePilot;
79
80	SEIMessages m_SEIs; ///< List of SEI messages that have been received before the first slice and between slices
81
82	// functional classes
83	TComPrediction m_cPrediction;
84	#if Q0048_CGS_3D_ASYMLUT
85	TCom3DAsymLUT m_c3DAsymLUTPPS;
86	TComPicYuv* m_pColorMappedPic;
87	#endif
88	TComTrQuant m_cTrQuant;
89	TDecGop m_cGopDecoder;
90	TDecSlice m_cSliceDecoder;
91	TDecCu m_cCuDecoder;
92	TDecEntropy m_cEntropyDecoder;
93	TDecCavlc m_cCavlcDecoder;
94	TDecSbac m_cSbacDecoder;
95	TDecBinCABAC m_cBinCABAC;
96	SEIReader m_seiReader;
97	TComLoopFilter m_cLoopFilter;
98	TComSampleAdaptiveOffset m_cSAO;
99
100	Bool isSkipPictureForBLA(Int& iPOCLastDisplay);
101	Bool isRandomAccessSkipPicture(Int& iSkipFrame, Int& iPOCLastDisplay);
102	TComPic* m_pcPic;
103	UInt m_uiSliceIdx;
104	#if !SVC_EXTENSION
105	Int m_prevPOC;
106	#endif
107	Bool m_bFirstSliceInPicture;
108	#if !SVC_EXTENSION
109	Bool m_bFirstSliceInSequence;
110	#endif
111	Bool m_prevSliceSkipped;
112	Int m_skippedPOC;
113	Bool m_bFirstSliceInBitstream;
114	Int m_lastPOCNoOutputPriorPics;
115	Bool m_isNoOutputPriorPics;
116	Bool m_craNoRaslOutputFlag; //value of variable NoRaslOutputFlag of the last CRA pic
117	#if O0043_BEST_EFFORT_DECODING
118	UInt m_forceDecodeBitDepth;
119	#endif
120	std::ostream *m_pDecodedSEIOutputStream;
121
122	#if SVC_EXTENSION
123	#if Q0177_EOS_CHECKS
124	Bool m_isLastNALWasEos;
125	#endif
126	static UInt m_prevPOC; // POC of the previous slice
127	static UInt m_uiPrevLayerId; // LayerId of the previous slice
128	static Bool m_bFirstSliceInSequence;
129	UInt m_layerId;
130	UInt m_numLayer;
131	TDecTop** m_ppcTDecTop;
132	#if P0297_VPS_POC_LSB_ALIGNED_FLAG
133	Bool m_pocResettingFlag;
134	Bool m_pocDecrementedInDPBFlag;
135	#endif
136	#if AVC_BASE
137	fstream* m_pBLReconFile;
138	#if !REPN_FORMAT_IN_VPS
139	Int m_iBLSourceWidth;
140	Int m_iBLSourceHeight;
141	#endif
142	#endif
143	#if VPS_EXTN_DIRECT_REF_LAYERS
144	Int m_numDirectRefLayers;
145	Int m_refLayerId[MAX_VPS_LAYER_ID_PLUS1];
146	Int m_numSamplePredRefLayers;
147	Int m_samplePredRefLayerId[MAX_VPS_LAYER_ID_PLUS1];
148	Int m_numMotionPredRefLayers;
149	Int m_motionPredRefLayerId[MAX_VPS_LAYER_ID_PLUS1];
150	Bool m_samplePredEnabledFlag[MAX_VPS_LAYER_ID_PLUS1];
151	Bool m_motionPredEnabledFlag[MAX_VPS_LAYER_ID_PLUS1];
152	#endif
153	TComPic* m_cIlpPic[MAX_NUM_REF]; ///< Inter layer Prediction picture = upsampled picture
154	#endif
155	#if OUTPUT_LAYER_SET_INDEX
156	CommonDecoderParams* m_commonDecoderParams;
157	#endif
158	#if NO_CLRAS_OUTPUT_FLAG
159	Bool m_noClrasOutputFlag;
160	Bool m_layerInitializedFlag;
161	Bool m_firstPicInLayerDecodedFlag;
162	#endif
163	#if POC_RESET_IDC_DECODER
164	Int m_parseIdc;
165	Int m_lastPocPeriodId;
166	Int m_prevPicOrderCnt;
167	#endif
168	#if RESOLUTION_BASED_DPB
169	Int m_subDpbIdx; // Index to the sub-DPB that the layer belongs to.
170	// When new VPS is activated, this should be re-initialized to -1
171	#endif
172	public:
173	#if POC_RESET_RESTRICTIONS
174	static Bool m_checkPocRestrictionsForCurrAu;
175	static Int m_pocResetIdcOrCurrAu;
176	static Bool m_baseLayerIdrFlag;
177	static Bool m_baseLayerPicPresentFlag;
178	static Bool m_baseLayerIrapFlag;
179	static Bool m_nonBaseIdrPresentFlag;
180	static Int m_nonBaseIdrType;
181	static Bool m_picNonIdrWithRadlPresentFlag;
182	static Bool m_picNonIdrNoLpPresentFlag;
183	#endif
184	#if POC_RESET_VALUE_RESTRICTION
185	static Int m_crossLayerPocResetPeriodId;
186	static Int m_crossLayerPocResetIdc;
187	#endif
188
189	TDecTop();
190	virtual ~TDecTop();
191
192	Void create ();
193	Void destroy ();
194
195	Void setDecodedPictureHashSEIEnabled(Int enabled) { m_cGopDecoder.setDecodedPictureHashSEIEnabled(enabled); }
196	#if Q0074_COLOUR_REMAPPING_SEI
197	void setColourRemappingInfoSEIEnabled(Bool enabled) { m_cGopDecoder.setColourRemappingInfoSEIEnabled(enabled); }
198	#endif
199
200	Void init();
201	#if SVC_EXTENSION
202	Bool decode(InputNALUnit& nalu, Int& iSkipFrame, Int& iPOCLastDisplay, UInt& curLayerId, Bool& bNewPOC);
203	#else
204	Bool decode(InputNALUnit& nalu, Int& iSkipFrame, Int& iPOCLastDisplay);
205	#endif
206
207	Void deletePicBuffer();
208
209
210	TComSPS* getActiveSPS() { return m_parameterSetManagerDecoder.getActiveSPS(); }
211
212
213	Void executeLoopFilters(Int& poc, TComList<TComPic>& rpcListPic);
214	Void checkNoOutputPriorPics (TComList<TComPic> rpcListPic);
215
216	Bool getNoOutputPriorPicsFlag () { return m_isNoOutputPriorPics; }
217	Void setNoOutputPriorPicsFlag (Bool val) { m_isNoOutputPriorPics = val; }
218	Void setFirstSliceInPicture (bool val) { m_bFirstSliceInPicture = val; }
219	Bool getFirstSliceInSequence () { return m_bFirstSliceInSequence; }
220	Void setFirstSliceInSequence (bool val) { m_bFirstSliceInSequence = val; }
221	#if O0043_BEST_EFFORT_DECODING
222	Void setForceDecodeBitDepth(UInt bitDepth) { m_forceDecodeBitDepth = bitDepth; }
223	#endif
224	Void setDecodedSEIMessageOutputStream(std::ostream *pOpStream) { m_pDecodedSEIOutputStream = pOpStream; }
225
226	#if SVC_EXTENSION
227	#if EARLY_REF_PIC_MARKING
228	Void earlyPicMarking(Int maxTemporalLayer, std::vector<Int>& targetDecLayerIdList);
229	#endif
230	#if POC_RESET_IDC_DECODER
231	Int getParseIdc() { return m_parseIdc;}
232	Void setParseIdc(Int x) { m_parseIdc = x;}
233	Void markAllPicsAsNoCurrAu();
234
235	Int getLastPocPeriodId() { return m_lastPocPeriodId; }
236	Void setLastPocPeriodId(Int x) { m_lastPocPeriodId = x; }
237
238	Int getPrevPicOrderCnt() { return m_prevPicOrderCnt; }
239	Void setPrevPicOrderCnt(Int const x) { m_prevPicOrderCnt = x; }
240	#endif
241	UInt getLayerId () { return m_layerId; }
242	Void setLayerId (UInt layer) { m_layerId = layer; }
243	UInt getNumLayer () { return m_numLayer; }
244	Void setNumLayer (UInt uiNum) { m_numLayer = uiNum; }
245	TComList<TComPic> getListPic() { return &m_cListPic; }
246	Void setLayerDec(TDecTop **p) { m_ppcTDecTop = p; }
247	TDecTop* getLayerDec(UInt layer) { return m_ppcTDecTop[layer]; }
248	#if VPS_EXTN_DIRECT_REF_LAYERS
249	TDecTop* getRefLayerDec(UInt refLayerIdc);
250	Int getNumDirectRefLayers () { return m_numDirectRefLayers; }
251	Void setNumDirectRefLayers (Int num) { m_numDirectRefLayers = num; }
252
253	Int getRefLayerId (Int i) { return m_refLayerId[i]; }
254	Void setRefLayerId (Int i, Int refLayerId) { m_refLayerId[i] = refLayerId; }
255
256	Int getNumSamplePredRefLayers () { return m_numSamplePredRefLayers; }
257	Void setNumSamplePredRefLayers (Int num) { m_numSamplePredRefLayers = num; }
258
259	Int getSamplePredRefLayerId (Int i) { return m_samplePredRefLayerId[i]; }
260	Void setSamplePredRefLayerId (Int i, Int refLayerId) { m_samplePredRefLayerId[i] = refLayerId; }
261
262	Int getNumMotionPredRefLayers () { return m_numMotionPredRefLayers; }
263	Void setNumMotionPredRefLayers (Int num) { m_numMotionPredRefLayers = num; }
264
265	Int getMotionPredRefLayerId (Int i) { return m_motionPredRefLayerId[i]; }
266	Void setMotionPredRefLayerId (Int i, Int refLayerId) { m_motionPredRefLayerId[i] = refLayerId; }
267
268	Bool getSamplePredEnabledFlag (Int i) { return m_samplePredEnabledFlag[i]; }
269	Void setSamplePredEnabledFlag (Int i,Bool flag) { m_samplePredEnabledFlag[i] = flag; }
270
271	Bool getMotionPredEnabledFlag (Int i) { return m_motionPredEnabledFlag[i]; }
272	Void setMotionPredEnabledFlag (Int i,Bool flag) { m_motionPredEnabledFlag[i] = flag; }
273
274	TDecTop* getSamplePredRefLayerDec ( UInt layerId );
275	TDecTop* getMotionPredRefLayerDec ( UInt layerId );
276
277	Void setRefLayerParams( TComVPS* vps );
278	#endif
279	#if AVC_BASE
280	Void setBLReconFile( fstream* pFile ) { m_pBLReconFile = pFile; }
281	fstream* getBLReconFile() { return m_pBLReconFile; }
282	#if !REPN_FORMAT_IN_VPS
283	Void setBLsize( Int iWidth, Int iHeight ) { m_iBLSourceWidth = iWidth; m_iBLSourceHeight = iHeight; }
284	Int getBLWidth() { return m_iBLSourceWidth; }
285	Int getBLHeight() { return m_iBLSourceHeight; }
286	#endif
287	#endif
288	#if REPN_FORMAT_IN_VPS
289	Void xInitILRP(TComSlice *slice);
290	#else
291	Void xInitILRP(TComSPS *pcSPS);
292	#endif
293	#if OUTPUT_LAYER_SET_INDEX
294	CommonDecoderParams* getCommonDecoderParams() { return m_commonDecoderParams; }
295	Void setCommonDecoderParams(CommonDecoderParams* x) { m_commonDecoderParams = x; }
296	Void checkValueOfTargetOutputLayerSetIdx(TComVPS *vps);
297	#endif
298	#if SCALINGLIST_INFERRING
299	ParameterSetManagerDecoder* getParameterSetManager() { return &m_parameterSetManagerDecoder; }
300	#endif
301	#if RESOLUTION_BASED_DPB
302	Void setSubDpbIdx(Int idx) { m_subDpbIdx = idx; }
303	Int getSubDpbIdx() { return m_subDpbIdx; }
304	Void assignSubDpbs(TComVPS *vps);
305	#endif
306	#endif //SVC_EXTENSION
307
308	protected:
309	Void xGetNewPicBuffer (TComSlice* pcSlice, TComPic*& rpcPic);
310	Void xCreateLostPicture (Int iLostPOC);
311
312	Void xActivateParameterSets();
313	#if SVC_EXTENSION
314	#if POC_RESET_FLAG
315	Bool xDecodeSlice(InputNALUnit &nalu, Int &iSkipFrame, Int &iPOCLastDisplay, UInt& curLayerId, Bool& bNewPOC);
316	#else
317	Bool xDecodeSlice(InputNALUnit &nalu, Int &iSkipFrame, Int iPOCLastDisplay, UInt& curLayerId, Bool& bNewPOC);
318	#endif
319	#else
320	Bool xDecodeSlice(InputNALUnit &nalu, Int &iSkipFrame, Int iPOCLastDisplay);
321	#endif
322	Void xDecodeVPS();
323	Void xDecodeSPS();
324	Void xDecodePPS(
325	#if Q0048_CGS_3D_ASYMLUT
326	TCom3DAsymLUT * pc3DAsymLUT
327	#endif
328	);
329	Void xDecodeSEI( TComInputBitstream* bs, const NalUnitType nalUnitType );
330
331	#if NO_CLRAS_OUTPUT_FLAG
332	Int getNoClrasOutputFlag() { return m_noClrasOutputFlag;}
333	Void setNoClrasOutputFlag(Bool x) { m_noClrasOutputFlag = x; }
334	Int getLayerInitializedFlag() { return m_layerInitializedFlag;}
335	Void setLayerInitializedFlag(Bool x) { m_layerInitializedFlag = x; }
336	Int getFirstPicInLayerDecodedFlag() { return m_firstPicInLayerDecodedFlag;}
337	Void setFirstPicInLayerDecodedFlag(Bool x) { m_firstPicInLayerDecodedFlag = x; }
338	#endif
339	#if Q0048_CGS_3D_ASYMLUT
340	Void initAsymLut(TComSlice *pcSlice);
341	#endif
342	#if POC_RESET_RESTRICTIONS
343	Void resetPocRestrictionCheckParameters();
344	#endif
345	};// END CLASS DEFINITION TDecTop
346
347
348	//! \}
349
350	#endif // __TDECTOP__
351

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