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1 | /***************************************************************************** |
2 | * Copyright (C) 2014 x265 project | |
3 | * | |
4 | * Authors: Steve Borho <steve@borho.org> | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License as published by | |
8 | * the Free Software Foundation; either version 2 of the License, or | |
9 | * (at your option) any later version. | |
10 | * | |
11 | * This program is distributed in the hope that it will be useful, | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | * GNU General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU General Public License | |
17 | * along with this program; if not, write to the Free Software | |
18 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111, USA. | |
19 | * | |
20 | * This program is also available under a commercial proprietary license. | |
21 | * For more information, contact us at license @ x265.com. | |
22 | *****************************************************************************/ | |
23 | ||
24 | #ifndef X265_SLICE_H | |
25 | #define X265_SLICE_H | |
26 | ||
27 | #include "common.h" | |
28 | ||
29 | namespace x265 { | |
30 | // private namespace | |
31 | ||
32 | class Frame; | |
33 | class PicList; | |
34 | class MotionReference; | |
35 | ||
36 | enum SliceType | |
37 | { | |
38 | B_SLICE, | |
39 | P_SLICE, | |
40 | I_SLICE | |
41 | }; | |
42 | ||
43 | struct RPS | |
44 | { | |
45 | int numberOfPictures; | |
46 | int numberOfNegativePictures; | |
47 | int numberOfPositivePictures; | |
48 | ||
49 | int poc[MAX_NUM_REF_PICS]; | |
50 | int deltaPOC[MAX_NUM_REF_PICS]; | |
51 | bool bUsed[MAX_NUM_REF_PICS]; | |
52 | ||
53 | RPS() | |
54 | : numberOfPictures(0) | |
55 | , numberOfNegativePictures(0) | |
56 | , numberOfPositivePictures(0) | |
57 | { | |
58 | ::memset(deltaPOC, 0, sizeof(deltaPOC)); | |
59 | ::memset(poc, 0, sizeof(poc)); | |
60 | ::memset(bUsed, 0, sizeof(bUsed)); | |
61 | } | |
62 | ||
63 | void sortDeltaPOC(); | |
64 | }; | |
65 | ||
66 | namespace Profile { | |
67 | enum Name | |
68 | { | |
69 | NONE = 0, | |
70 | MAIN = 1, | |
71 | MAIN10 = 2, | |
72 | MAINSTILLPICTURE = 3, | |
73 | MAINREXT = 4, | |
74 | HIGHTHROUGHPUTREXT = 5 | |
75 | }; | |
76 | } | |
77 | ||
78 | namespace Level { | |
79 | enum Tier | |
80 | { | |
81 | MAIN = 0, | |
82 | HIGH = 1, | |
83 | }; | |
84 | ||
85 | enum Name | |
86 | { | |
87 | NONE = 0, | |
88 | LEVEL1 = 30, | |
89 | LEVEL2 = 60, | |
90 | LEVEL2_1 = 63, | |
91 | LEVEL3 = 90, | |
92 | LEVEL3_1 = 93, | |
93 | LEVEL4 = 120, | |
94 | LEVEL4_1 = 123, | |
95 | LEVEL5 = 150, | |
96 | LEVEL5_1 = 153, | |
97 | LEVEL5_2 = 156, | |
98 | LEVEL6 = 180, | |
99 | LEVEL6_1 = 183, | |
100 | LEVEL6_2 = 186, | |
101 | }; | |
102 | } | |
103 | ||
104 | struct ProfileTierLevel | |
105 | { | |
106 | bool tierFlag; | |
107 | bool progressiveSourceFlag; | |
108 | bool interlacedSourceFlag; | |
109 | bool nonPackedConstraintFlag; | |
110 | bool frameOnlyConstraintFlag; | |
111 | bool profileCompatibilityFlag[32]; | |
112 | bool intraConstraintFlag; | |
113 | bool lowerBitRateConstraintFlag; | |
114 | int profileIdc; | |
115 | int levelIdc; | |
116 | uint32_t minCrForLevel; | |
117 | uint32_t maxLumaSrForLevel; | |
118 | uint32_t bitDepthConstraint; | |
119 | int chromaFormatConstraint; | |
120 | }; | |
121 | ||
122 | struct HRDInfo | |
123 | { | |
124 | uint32_t bitRateScale; | |
125 | uint32_t cpbSizeScale; | |
126 | uint32_t initialCpbRemovalDelayLength; | |
127 | uint32_t cpbRemovalDelayLength; | |
128 | uint32_t dpbOutputDelayLength; | |
129 | uint32_t bitRateValue; | |
130 | uint32_t cpbSizeValue; | |
131 | bool cbrFlag; | |
132 | ||
133 | HRDInfo() | |
134 | : bitRateScale(0) | |
135 | , cpbSizeScale(0) | |
136 | , initialCpbRemovalDelayLength(1) | |
137 | , cpbRemovalDelayLength(1) | |
138 | , dpbOutputDelayLength(1) | |
139 | , cbrFlag(false) | |
140 | { | |
141 | } | |
142 | }; | |
143 | ||
144 | struct TimingInfo | |
145 | { | |
146 | uint32_t numUnitsInTick; | |
147 | uint32_t timeScale; | |
148 | }; | |
149 | ||
150 | struct VPS | |
151 | { | |
152 | uint32_t numReorderPics; | |
153 | uint32_t maxDecPicBuffering; | |
154 | HRDInfo hrdParameters; | |
155 | ProfileTierLevel ptl; | |
156 | }; | |
157 | ||
158 | struct Window | |
159 | { | |
160 | bool bEnabled; | |
161 | int leftOffset; | |
162 | int rightOffset; | |
163 | int topOffset; | |
164 | int bottomOffset; | |
165 | ||
166 | Window() | |
167 | { | |
168 | bEnabled = false; | |
169 | } | |
170 | }; | |
171 | ||
172 | struct VUI | |
173 | { | |
174 | bool aspectRatioInfoPresentFlag; | |
175 | int aspectRatioIdc; | |
176 | int sarWidth; | |
177 | int sarHeight; | |
178 | ||
179 | bool overscanInfoPresentFlag; | |
180 | bool overscanAppropriateFlag; | |
181 | ||
182 | bool videoSignalTypePresentFlag; | |
183 | int videoFormat; | |
184 | bool videoFullRangeFlag; | |
185 | ||
186 | bool colourDescriptionPresentFlag; | |
187 | int colourPrimaries; | |
188 | int transferCharacteristics; | |
189 | int matrixCoefficients; | |
190 | ||
191 | bool chromaLocInfoPresentFlag; | |
192 | int chromaSampleLocTypeTopField; | |
193 | int chromaSampleLocTypeBottomField; | |
194 | ||
195 | Window defaultDisplayWindow; | |
196 | ||
197 | bool frameFieldInfoPresentFlag; | |
198 | bool fieldSeqFlag; | |
199 | ||
200 | bool hrdParametersPresentFlag; | |
201 | HRDInfo hrdParameters; | |
202 | ||
203 | TimingInfo timingInfo; | |
204 | }; | |
205 | ||
206 | struct SPS | |
207 | { | |
208 | int chromaFormatIdc; // use param | |
209 | uint32_t picWidthInLumaSamples; // use param | |
210 | uint32_t picHeightInLumaSamples; // use param | |
211 | ||
212 | uint32_t numCuInWidth; | |
213 | uint32_t numCuInHeight; | |
214 | uint32_t numCUsInFrame; | |
215 | uint32_t numPartitions; | |
216 | uint32_t numPartInCUSize; | |
217 | ||
218 | int log2MinCodingBlockSize; | |
219 | int log2DiffMaxMinCodingBlockSize; | |
220 | ||
221 | uint32_t quadtreeTULog2MaxSize; | |
222 | uint32_t quadtreeTULog2MinSize; | |
223 | ||
224 | uint32_t quadtreeTUMaxDepthInter; // use param | |
225 | uint32_t quadtreeTUMaxDepthIntra; // use param | |
226 | ||
227 | bool bUseSAO; // use param | |
228 | bool bUseAMP; // use param | |
229 | uint32_t maxAMPDepth; | |
230 | ||
231 | uint32_t maxDecPicBuffering; // these are dups of VPS values | |
232 | int numReorderPics; | |
233 | ||
234 | bool bUseStrongIntraSmoothing; // use param | |
235 | bool bTemporalMVPEnabled; | |
236 | ||
237 | Window conformanceWindow; | |
238 | VUI vuiParameters; | |
239 | }; | |
240 | ||
241 | struct PPS | |
242 | { | |
243 | uint32_t maxCuDQPDepth; | |
244 | ||
b53f7c52 | 245 | int chromaQpOffset[2]; // use param |
72b9787e JB |
246 | |
247 | bool bUseWeightPred; // use param | |
248 | bool bUseWeightedBiPred; // use param | |
249 | bool bUseDQP; | |
250 | bool bConstrainedIntraPred; // use param | |
251 | ||
252 | bool bTransquantBypassEnabled; // Indicates presence of cu_transquant_bypass_flag in CUs. | |
253 | bool bTransformSkipEnabled; // use param | |
254 | bool bEntropyCodingSyncEnabled; // use param | |
255 | bool bSignHideEnabled; // use param | |
256 | ||
257 | bool bDeblockingFilterControlPresent; | |
258 | bool bPicDisableDeblockingFilter; | |
259 | int deblockingFilterBetaOffsetDiv2; | |
260 | int deblockingFilterTcOffsetDiv2; | |
261 | }; | |
262 | ||
263 | struct WeightParam | |
264 | { | |
265 | // Explicit weighted prediction parameters parsed in slice header, | |
266 | bool bPresentFlag; | |
267 | uint32_t log2WeightDenom; | |
268 | int inputWeight; | |
269 | int inputOffset; | |
270 | ||
271 | /* makes a non-h265 weight (i.e. fix7), into an h265 weight */ | |
272 | void setFromWeightAndOffset(int w, int o, int denom, bool bNormalize) | |
273 | { | |
274 | inputOffset = o; | |
275 | log2WeightDenom = denom; | |
276 | inputWeight = w; | |
277 | while (bNormalize && log2WeightDenom > 0 && (inputWeight > 127)) | |
278 | { | |
279 | log2WeightDenom--; | |
280 | inputWeight >>= 1; | |
281 | } | |
282 | ||
283 | inputWeight = X265_MIN(inputWeight, 127); | |
284 | } | |
285 | }; | |
286 | ||
287 | class Slice | |
288 | { | |
289 | public: | |
290 | ||
291 | const SPS* m_sps; | |
292 | const PPS* m_pps; | |
293 | WeightParam m_weightPredTable[2][MAX_NUM_REF][3]; // [list][refIdx][0:Y, 1:U, 2:V] | |
294 | MotionReference (*m_mref)[MAX_NUM_REF + 1]; | |
295 | RPS m_rps; | |
296 | ||
297 | NalUnitType m_nalUnitType; | |
298 | SliceType m_sliceType; | |
299 | int m_sliceQp; | |
300 | int m_poc; | |
301 | ||
302 | int m_lastIDR; | |
303 | ||
304 | bool m_bCheckLDC; // TODO: is this necessary? | |
305 | bool m_sLFaseFlag; // loop filter boundary flag | |
306 | bool m_colFromL0Flag; // collocated picture from List0 or List1 flag | |
307 | uint32_t m_colRefIdx; // never modified | |
308 | ||
309 | int m_numRefIdx[2]; | |
310 | Frame* m_refPicList[2][MAX_NUM_REF + 1]; | |
311 | int m_refPOCList[2][MAX_NUM_REF + 1]; | |
312 | ||
313 | uint32_t m_maxNumMergeCand; // use param | |
314 | uint32_t m_endCUAddr; | |
315 | ||
316 | Slice() | |
317 | { | |
318 | m_lastIDR = 0; | |
319 | m_sLFaseFlag = true; | |
320 | m_numRefIdx[0] = m_numRefIdx[1] = 0; | |
321 | for (int i = 0; i < MAX_NUM_REF; i++) | |
322 | { | |
323 | m_refPicList[0][i] = NULL; | |
324 | m_refPicList[1][i] = NULL; | |
325 | m_refPOCList[0][i] = 0; | |
326 | m_refPOCList[1][i] = 0; | |
327 | } | |
328 | ||
329 | disableWeights(); | |
330 | } | |
331 | ||
332 | void disableWeights(); | |
333 | ||
334 | void setRefPicList(PicList& picList); | |
335 | ||
b53f7c52 JB |
336 | const Frame* getRefPic(int list, int refIdx) const { return refIdx >= 0 ? m_refPicList[list][refIdx] : NULL; } |
337 | ||
72b9787e JB |
338 | bool getRapPicFlag() const |
339 | { | |
340 | return m_nalUnitType == NAL_UNIT_CODED_SLICE_IDR_W_RADL | |
341 | || m_nalUnitType == NAL_UNIT_CODED_SLICE_CRA; | |
342 | } | |
343 | ||
344 | bool getIdrPicFlag() const | |
345 | { | |
346 | return m_nalUnitType == NAL_UNIT_CODED_SLICE_IDR_W_RADL; | |
347 | } | |
348 | ||
349 | bool isIRAP() const { return m_nalUnitType >= 16 && m_nalUnitType <= 23; } | |
350 | ||
351 | bool isIntra() const { return m_sliceType == I_SLICE; } | |
352 | ||
353 | bool isInterB() const { return m_sliceType == B_SLICE; } | |
354 | ||
355 | bool isInterP() const { return m_sliceType == P_SLICE; } | |
356 | ||
357 | uint32_t realEndAddress(uint32_t endCUAddr) const; | |
358 | }; | |
359 | ||
360 | } | |
361 | ||
362 | #endif // ifndef X265_SLICE_H |