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source: SHVCSoftware/branches/SHM-dev/source/Lib/TLibDecoder/TDecTop.h @ 1005

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Last change on this file since 1005 was 1005, checked in by nokia, 10 years ago
Implementation of JCTVC-R0235 - Processing of bitstreams without an available base layer
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File size: 15.1 KB

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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	#if SETTING_NO_OUT_PIC_PRIOR
114	Bool m_bFirstSliceInBitstream;
115	Int m_lastPOCNoOutputPriorPics;
116	Bool m_isNoOutputPriorPics;
117	Bool m_craNoRaslOutputFlag; //value of variable NoRaslOutputFlag of the last CRA pic
118	#endif
119	#if Q0177_EOS_CHECKS
120	Bool m_isLastNALWasEos;
121	#endif
122	#if R0071_IRAP_EOS_CROSS_LAYER_IMPACTS
123	Bool m_lastPicHasEos;
124	#endif
125	#if SVC_EXTENSION
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 R0235_SMALLEST_LAYER_ID
133	UInt m_smallestLayerId;
134	#endif
135	#if P0297_VPS_POC_LSB_ALIGNED_FLAG
136	Bool m_pocResettingFlag;
137	Bool m_pocDecrementedInDPBFlag;
138	#endif
139	#if AVC_BASE
140	fstream* m_pBLReconFile;
141	#if !REPN_FORMAT_IN_VPS
142	Int m_iBLSourceWidth;
143	Int m_iBLSourceHeight;
144	#endif
145	#endif
146	#if VPS_EXTN_DIRECT_REF_LAYERS
147	Int m_numDirectRefLayers;
148	Int m_refLayerId[MAX_VPS_LAYER_ID_PLUS1];
149	Int m_numSamplePredRefLayers;
150	Int m_samplePredRefLayerId[MAX_VPS_LAYER_ID_PLUS1];
151	Int m_numMotionPredRefLayers;
152	Int m_motionPredRefLayerId[MAX_VPS_LAYER_ID_PLUS1];
153	Bool m_samplePredEnabledFlag[MAX_VPS_LAYER_ID_PLUS1];
154	Bool m_motionPredEnabledFlag[MAX_VPS_LAYER_ID_PLUS1];
155	#endif
156	TComPic* m_cIlpPic[MAX_NUM_REF]; ///< Inter layer Prediction picture = upsampled picture
157	#endif
158	#if OUTPUT_LAYER_SET_INDEX
159	CommonDecoderParams* m_commonDecoderParams;
160	#endif
161	#if NO_CLRAS_OUTPUT_FLAG
162	Bool m_noClrasOutputFlag;
163	Bool m_layerInitializedFlag;
164	Bool m_firstPicInLayerDecodedFlag;
165	#endif
166	#if POC_RESET_IDC_DECODER
167	Int m_parseIdc;
168	Int m_lastPocPeriodId;
169	Int m_prevPicOrderCnt;
170	#endif
171	#if RESOLUTION_BASED_DPB
172	Int m_subDpbIdx; // Index to the sub-DPB that the layer belongs to.
173	// When new VPS is activated, this should be re-initialized to -1
174	#endif
175	#if CONFORMANCE_BITSTREAM_MODE
176	Bool m_confModeFlag;
177	std::vector<TComPic> m_confListPic; // Dynamic buffer for storing pictures for conformance purposes
178	#endif
179	#if FIX_NON_OUTPUT_LAYER
180	Bool m_isOutputLayerFlag;
181	#endif
182	public:
183	#if POC_RESET_RESTRICTIONS
184	static Bool m_checkPocRestrictionsForCurrAu;
185	static Int m_pocResetIdcOrCurrAu;
186	static Bool m_baseLayerIdrFlag;
187	static Bool m_baseLayerPicPresentFlag;
188	static Bool m_baseLayerIrapFlag;
189	static Bool m_nonBaseIdrPresentFlag;
190	static Int m_nonBaseIdrType;
191	static Bool m_picNonIdrWithRadlPresentFlag;
192	static Bool m_picNonIdrNoLpPresentFlag;
193	#endif
194	#if POC_RESET_VALUE_RESTRICTION
195	static Int m_crossLayerPocResetPeriodId;
196	static Int m_crossLayerPocResetIdc;
197	#endif
198
199	TDecTop();
200	virtual ~TDecTop();
201
202	Void create ();
203	Void destroy ();
204
205	void setDecodedPictureHashSEIEnabled(Int enabled) { m_cGopDecoder.setDecodedPictureHashSEIEnabled(enabled); }
206	#if Q0074_COLOUR_REMAPPING_SEI
207	void setColourRemappingInfoSEIEnabled(Bool enabled) { m_cGopDecoder.setColourRemappingInfoSEIEnabled(enabled); }
208	#endif
209
210	Void init();
211	#if SVC_EXTENSION
212	Bool decode(InputNALUnit& nalu, Int& iSkipFrame, Int& iPOCLastDisplay, UInt& curLayerId, Bool& bNewPOC);
213	#else
214	Bool decode(InputNALUnit& nalu, Int& iSkipFrame, Int& iPOCLastDisplay);
215	#endif
216
217	Void deletePicBuffer();
218
219
220	TComSPS* getActiveSPS() { return m_parameterSetManagerDecoder.getActiveSPS(); }
221
222
223	Void executeLoopFilters(Int& poc, TComList<TComPic>& rpcListPic);
224	#if SETTING_NO_OUT_PIC_PRIOR
225	Void checkNoOutputPriorPics (TComList<TComPic>& rpcListPic);
226	Bool getNoOutputPriorPicsFlag () { return m_isNoOutputPriorPics; }
227	Void setNoOutputPriorPicsFlag (Bool val) { m_isNoOutputPriorPics = val; }
228	#endif
229
230	#if SVC_EXTENSION
231	#if EARLY_REF_PIC_MARKING
232	Void earlyPicMarking(Int maxTemporalLayer, std::vector<Int>& targetDecLayerIdList);
233	#endif
234	#if POC_RESET_IDC_DECODER
235	Int getParseIdc() { return m_parseIdc;}
236	Void setParseIdc(Int x) { m_parseIdc = x;}
237	Void markAllPicsAsNoCurrAu();
238
239	Int getLastPocPeriodId() { return m_lastPocPeriodId; }
240	Void setLastPocPeriodId(Int x) { m_lastPocPeriodId = x; }
241
242	Int getPrevPicOrderCnt() { return m_prevPicOrderCnt; }
243	Void setPrevPicOrderCnt(Int const x) { m_prevPicOrderCnt = x; }
244	#endif
245	UInt getLayerId () { return m_layerId; }
246	Void setLayerId (UInt layer) { m_layerId = layer; }
247	UInt getNumLayer () { return m_numLayer; }
248	Void setNumLayer (UInt uiNum) { m_numLayer = uiNum; }
249	TComList<TComPic> getListPic() { return &m_cListPic; }
250	Void setLayerDec(TDecTop **p) { m_ppcTDecTop = p; }
251	TDecTop* getLayerDec(UInt layer) { return m_ppcTDecTop[layer]; }
252	#if R0235_SMALLEST_LAYER_ID
253	Void xDeriveSmallestLayerId(TComVPS* vps);
254	#endif
255	#if VPS_EXTN_DIRECT_REF_LAYERS
256	TDecTop* getRefLayerDec(UInt refLayerIdc);
257	Int getNumDirectRefLayers () { return m_numDirectRefLayers; }
258	Void setNumDirectRefLayers (Int num) { m_numDirectRefLayers = num; }
259
260	Int getRefLayerId (Int i) { return m_refLayerId[i]; }
261	Void setRefLayerId (Int i, Int refLayerId) { m_refLayerId[i] = refLayerId; }
262
263	Int getNumSamplePredRefLayers () { return m_numSamplePredRefLayers; }
264	Void setNumSamplePredRefLayers (Int num) { m_numSamplePredRefLayers = num; }
265
266	Int getSamplePredRefLayerId (Int i) { return m_samplePredRefLayerId[i]; }
267	Void setSamplePredRefLayerId (Int i, Int refLayerId) { m_samplePredRefLayerId[i] = refLayerId; }
268
269	Int getNumMotionPredRefLayers () { return m_numMotionPredRefLayers; }
270	Void setNumMotionPredRefLayers (Int num) { m_numMotionPredRefLayers = num; }
271
272	Int getMotionPredRefLayerId (Int i) { return m_motionPredRefLayerId[i]; }
273	Void setMotionPredRefLayerId (Int i, Int refLayerId) { m_motionPredRefLayerId[i] = refLayerId; }
274
275	Bool getSamplePredEnabledFlag (Int i) { return m_samplePredEnabledFlag[i]; }
276	Void setSamplePredEnabledFlag (Int i,Bool flag) { m_samplePredEnabledFlag[i] = flag; }
277
278	Bool getMotionPredEnabledFlag (Int i) { return m_motionPredEnabledFlag[i]; }
279	Void setMotionPredEnabledFlag (Int i,Bool flag) { m_motionPredEnabledFlag[i] = flag; }
280
281	TDecTop* getSamplePredRefLayerDec ( UInt layerId );
282	TDecTop* getMotionPredRefLayerDec ( UInt layerId );
283
284	Void setRefLayerParams( TComVPS* vps );
285	#endif
286	#if AVC_BASE
287	Void setBLReconFile( fstream* pFile ) { m_pBLReconFile = pFile; }
288	fstream* getBLReconFile() { return m_pBLReconFile; }
289	#if !REPN_FORMAT_IN_VPS
290	Void setBLsize( Int iWidth, Int iHeight ) { m_iBLSourceWidth = iWidth; m_iBLSourceHeight = iHeight; }
291	Int getBLWidth() { return m_iBLSourceWidth; }
292	Int getBLHeight() { return m_iBLSourceHeight; }
293	#endif
294	#endif
295	#if REPN_FORMAT_IN_VPS
296	Void xInitILRP(TComSlice *slice);
297	#else
298	Void xInitILRP(TComSPS *pcSPS);
299	#endif
300	#if OUTPUT_LAYER_SET_INDEX
301	CommonDecoderParams* getCommonDecoderParams() { return m_commonDecoderParams; }
302	Void setCommonDecoderParams(CommonDecoderParams* x) { m_commonDecoderParams = x; }
303	Void checkValueOfTargetOutputLayerSetIdx(TComVPS *vps);
304	#endif
305	#if SCALINGLIST_INFERRING
306	ParameterSetManagerDecoder* getParameterSetManager() { return &m_parameterSetManagerDecoder; }
307	#endif
308	#if RESOLUTION_BASED_DPB
309	Void setSubDpbIdx(Int idx) { m_subDpbIdx = idx; }
310	Int getSubDpbIdx() { return m_subDpbIdx; }
311	Void assignSubDpbs(TComVPS *vps);
312	#endif
313	#if CONFORMANCE_BITSTREAM_MODE
314	std::vector<TComPic>* getConfListPic() {return &m_confListPic; }
315	// std::string const getDecodedYuvLayerFileName(Int layerId) { return m_decodedYuvLayerFileName[layerId]; }
316	#endif
317	#endif //SVC_EXTENSION
318
319	protected:
320	Void xGetNewPicBuffer (TComSlice* pcSlice, TComPic*& rpcPic);
321	Void xCreateLostPicture (Int iLostPOC);
322
323	Void xActivateParameterSets();
324	#if SVC_EXTENSION
325	#if POC_RESET_FLAG
326	Bool xDecodeSlice(InputNALUnit &nalu, Int &iSkipFrame, Int &iPOCLastDisplay, UInt& curLayerId, Bool& bNewPOC);
327	#else
328	Bool xDecodeSlice(InputNALUnit &nalu, Int &iSkipFrame, Int iPOCLastDisplay, UInt& curLayerId, Bool& bNewPOC);
329	#endif
330	#else
331	Bool xDecodeSlice(InputNALUnit &nalu, Int &iSkipFrame, Int iPOCLastDisplay);
332	#endif
333	Void xDecodeVPS();
334	Void xDecodeSPS();
335	Void xDecodePPS(
336	#if Q0048_CGS_3D_ASYMLUT
337	TCom3DAsymLUT * pc3DAsymLUT
338	#endif
339	);
340	Void xDecodeSEI( TComInputBitstream* bs, const NalUnitType nalUnitType );
341
342	#if NO_CLRAS_OUTPUT_FLAG
343	Int getNoClrasOutputFlag() { return m_noClrasOutputFlag;}
344	Void setNoClrasOutputFlag(Bool x) { m_noClrasOutputFlag = x; }
345	Int getLayerInitializedFlag() { return m_layerInitializedFlag;}
346	Void setLayerInitializedFlag(Bool x) { m_layerInitializedFlag = x; }
347	Int getFirstPicInLayerDecodedFlag() { return m_firstPicInLayerDecodedFlag;}
348	Void setFirstPicInLayerDecodedFlag(Bool x) { m_firstPicInLayerDecodedFlag = x; }
349	#endif
350	#if Q0048_CGS_3D_ASYMLUT
351	Void initAsymLut(TComSlice *pcSlice);
352	#endif
353	#if POC_RESET_RESTRICTIONS
354	Void resetPocRestrictionCheckParameters();
355	#endif
356	public:
357	#if CONFORMANCE_BITSTREAM_MODE
358	Bool const getConfModeFlag() { return m_confModeFlag; }
359	Void setConfModeFlag(Bool x) { m_confModeFlag = x; }
360	#endif
361	#if R0071_IRAP_EOS_CROSS_LAYER_IMPACTS
362	Void xCheckLayerReset();
363	Void xSetNoRaslOutputFlag();
364	Void xSetLayerInitializedFlag();
365	#endif
366	};// END CLASS DEFINITION TDecTop
367
368
369
370	//! \}
371
372	#endif // __TDECTOP__
373

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