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1 /******************************************************************************
2  *
3  * Copyright (C) 2015 The Android Open Source Project
4  *
5  * Licensed under the Apache License, Version 2.0 (the "License");
6  * you may not use this file except in compliance with the License.
7  * You may obtain a copy of the License at:
8  *
9  * http://www.apache.org/licenses/LICENSE-2.0
10  *
11  * Unless required by applicable law or agreed to in writing, software
12  * distributed under the License is distributed on an "AS IS" BASIS,
13  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14  * See the License for the specific language governing permissions and
15  * limitations under the License.
16  *
17  *****************************************************************************
18  * Originally developed and contributed by Ittiam Systems Pvt. Ltd, Bangalore
19 */
20 #ifndef _IH264D_DEFS_H_
21 #define _IH264D_DEFS_H_
22 
23 /**
24  ************************************************************************
25  * \file ih264d_defs.h
26  *
27  * \brief
28  *    Type definitions used in the code
29  *
30  * \date
31  *    19/11/2002
32  *
33  * \author  Sriram Sethuraman
34  *
35  ************************************************************************
36  */
37 #define H264_MAX_FRAME_WIDTH                4080
38 #define H264_MAX_FRAME_HEIGHT               4080
39 #define H264_MAX_FRAME_SIZE                 (4096 * 2048)
40 
41 #define H264_MIN_FRAME_WIDTH                16
42 #define H264_MIN_FRAME_HEIGHT               16
43 
44 #define FMT_CONV_NUM_ROWS       16
45 
46 /** Bit manipulation macros */
47 #define CHECKBIT(a,i) ((a) &  (1 << i))
48 #define CLEARBIT(a,i) ((a) &= ~(1 << i))
49 
50 /** Macro to convert a integer to a boolean value */
51 #define BOOLEAN(x) (!!(x))
52 
53 /** Arithmetic operations */
54 #define MOD(x,y) ((x)%(y))
55 #define DIV(x,y) ((x)/(y))
56 #define MUL(x,y) ((x)*(y))
57 #define SIGN_POW2_DIV(x, y) (((x) < 0) ? (-((-(x)) >> (y))) : ((x) >> (y)))
58 
59 #define MB_ENABLE_FILTERING           0x00
60 #define MB_DISABLE_FILTERING          0x01
61 #define MB_DISABLE_TOP_EDGE           0x02
62 #define MB_DISABLE_LEFT_EDGE          0x04
63 
64 /** Maximum number of reference pics */
65 #define MAX_REF_BUFS    32
66 #define MAX_DISP_BUFS_NEW 64
67 #define MAX_FRAMES              16
68 
69 #define INVALID_FRAME_NUM       0x0fffffff
70 #define GAP_FRAME_NUM           0x1fffffff
71 
72 /** macros for reference picture lists, refIdx to POC mapping */
73 // 1 extra entry into reference picture lists for refIdx = -1.
74 // this entry is always 0. this saves conditional checks in
75 // FillBs modules.
76 #define POC_LIST_L0_TO_L1_DIFF  (( 2*MAX_FRAMES) + 1)
77 #define POC_LIST_L0_TO_L1_DIFF_1  ((MAX_FRAMES) + 1)
78 
79 #define FRM_LIST_L0             0                                               //0
80 #define FRM_LIST_L1             1 * POC_LIST_L0_TO_L1_DIFF//FRM_LIST_L0 + POC_LIST_L0_TO_L1_DIFF        //0+33                  //(1 * POC_LIST_L0_TO_L1_DIFF)
81 #define TOP_LIST_FLD_L0         2 * POC_LIST_L0_TO_L1_DIFF//FRM_LIST_L1 + POC_LIST_L0_TO_L1_DIFF        //0+33+33                   //(2 * POC_LIST_L0_TO_L1_DIFF)
82 #define TOP_LIST_FLD_L1         3 * POC_LIST_L0_TO_L1_DIFF//TOP_LIST_FLD_L0 + POC_LIST_L0_TO_L1_DIFF_1  //0+33+33+17                //(3 * POC_LIST_L0_TO_L1_DIFF)
83 #define BOT_LIST_FLD_L0         4 * POC_LIST_L0_TO_L1_DIFF//TOP_LIST_FLD_L1 + POC_LIST_L0_TO_L1_DIFF_1  //0+33+33+17+17
84 #define BOT_LIST_FLD_L1         5 * POC_LIST_L0_TO_L1_DIFF//BOT_LIST_FLD_L0 + POC_LIST_L0_TO_L1_DIFF_1  //0+33+33+17+17+17
85 #define TOTAL_LIST_ENTRIES      6 * POC_LIST_L0_TO_L1_DIFF//BOT_LIST_FLD_L1 + POC_LIST_L0_TO_L1_DIFF_1  //0+33+33+17+17+17+17
86 #define PAD_MV_BANK_ROW             64
87 #define OFFSET_MV_BANK_ROW          ((PAD_MV_BANK_ROW)>>1)
88 #define PAD_PUC_CURNNZ              32
89 #define OFFSET_PUC_CURNNZ           (PAD_PUC_CURNNZ)
90 #define PAD_MAP_IDX_POC             (1)
91 #define OFFSET_MAP_IDX_POC          (1)
92 
93 #define OFFSET_MAP_IDX_POC          (1)
94 
95 #define NAL_REF_IDC(nal_first_byte)       ((nal_first_byte >> 5) & 0x3)
96 #define NAL_FORBIDDEN_BIT(nal_first_byte) (nal_first_byte>>7)
97 #define NAL_UNIT_TYPE(nal_first_byte)     (nal_first_byte & 0x1F)
98 
99 #define INT_PIC_TYPE_I        (0x00)
100 
101 #define YIELD_CNT_THRESHOLD  8
102 
103 
104 #define OK        0
105 #define END       1
106 #define NOT_OK    -1
107 
108 /* For 420SP */
109 #define YUV420SP_FACTOR 2
110 
111 /*To prevent buffer overflow access; in case the size of nal unit is
112  *  greater than the allocated buffer size*/
113 #define EXTRA_BS_OFFSET 16*16*2
114 
115 /**
116  ***************************************************************************
117  * Enum to hold various mem records being request
118  ****************************************************************************
119  */
120 enum
121 {
122     /**
123      * Codec Object at API level
124      */
125     MEM_REC_IV_OBJ,
126 
127     /**
128      * Codec context
129      */
130     MEM_REC_CODEC,
131 
132     /**
133      * Bitstream buffer which holds emulation prevention removed bytes
134      */
135     MEM_REC_BITSBUF,
136 
137     /**
138      * Buffer to hold  coeff data
139      */
140     MEM_REC_COEFF_DATA,
141 
142     /**
143      * Motion vector bank
144      */
145     MEM_REC_MVBANK,
146 
147     /**
148      * Holds mem records passed to the codec.
149      */
150     MEM_REC_BACKUP,
151 
152     /**
153      * Holds SPS
154      */
155     MEM_REC_SPS,
156 
157     /**
158      * Holds PPS
159      */
160     MEM_REC_PPS,
161 
162     /**
163      * Holds Slice Headers
164      */
165     MEM_REC_SLICE_HDR,
166 
167     /**
168      * Holds thread handles
169      */
170     MEM_REC_THREAD_HANDLE,
171 
172     /**
173      * Contains i4_status map indicating parse i4_status per MB basis
174      */
175     MEM_REC_PARSE_MAP,
176 
177     /**
178      * Contains i4_status map indicating processing i4_status per MB basis
179      */
180     MEM_REC_PROC_MAP,
181 
182     /**
183      * Contains slice number info for each MB
184      */
185 
186     MEM_REC_SLICE_NUM_MAP,
187 
188     /**
189      * Holds dpb manager context
190      */
191     MEM_REC_DPB_MGR,
192 
193     /**
194      * Holds neighbors' info
195      */
196     MEM_REC_NEIGHBOR_INFO,
197 
198     /**
199      * Holds neighbors' info
200      */
201     MEM_REC_PRED_INFO,
202 
203 
204     /**
205      * Holds inter pred inforamation on packed format info
206      */
207     MEM_REC_PRED_INFO_PKD,
208     /**
209      * Holds neighbors' info
210      */
211     MEM_REC_MB_INFO,
212 
213     /**
214      * Holds deblock Mb info structure frame level)
215      */
216     MEM_REC_DEBLK_MB_INFO,
217 
218     /**
219      * Holds  reference picture buffers in non-shared mode
220      */
221     MEM_REC_REF_PIC,
222 
223     /**
224      * Holds  some misc intermediate_buffers
225      */
226     MEM_REC_EXTRA_MEM,
227 
228     /**
229      * Holds  some misc intermediate_buffers
230      */
231     MEM_REC_INTERNAL_SCRATCH,
232 
233     /**
234      * Holds  some misc intermediate_buffers
235      */
236     MEM_REC_INTERNAL_PERSIST,
237 
238     /* holds structures related to picture buffer manager*/
239     MEM_REC_PIC_BUF_MGR,
240 
241     /*holds structure related to MV buffer manager*/
242     MEM_REC_MV_BUF_MGR,
243 
244     /**
245      * Place holder to compute number of memory records.
246      */
247     MEM_REC_CNT
248 /* Do not add anything below */
249 };
250 
251 #ifdef DEBLOCK_THREAD
252 #define H264_MUTEX_LOCK(lock) ithread_mutex_lock(lock)
253 #define H264_MUTEX_UNLOCK(lock) ithread_mutex_unlock(lock)
254 #else //DEBLOCK_THREAD
255 #define H264_MUTEX_LOCK(lock)
256 #define H264_MUTEX_UNLOCK(lock)
257 
258 #define DEBUG_THREADS_PRINTF(...)
259 #define DEBUG_PERF_PRINTF(...)
260 
261 /** Profile Types*/
262 #define BASE_PROFILE_IDC    66
263 #define MAIN_PROFILE_IDC    77
264 #define EXTENDED_PROFILE_IDC    88
265 #define HIGH_PROFILE_IDC   100
266 
267 
268 #define MB_SIZE             16
269 #define BLK8x8SIZE           8
270 #define BLK_SIZE             4
271 #define NUM_BLKS_PER_MB     24
272 #define NUM_LUM_BLKS_PER_MB 16
273 #define LUM_BLK              0
274 #define CHROM_BLK            1
275 #define NUM_PELS_IN_MB      64
276 
277 /* Level Types */
278 #define H264_LEVEL_1_0     10
279 #define H264_LEVEL_1_1     11
280 #define H264_LEVEL_1_2     12
281 #define H264_LEVEL_1_3     13
282 #define H264_LEVEL_2_0     20
283 #define H264_LEVEL_2_1     21
284 #define H264_LEVEL_2_2     22
285 #define H264_LEVEL_3_0     30
286 #define H264_LEVEL_3_1     31
287 #define H264_LEVEL_3_2     32
288 #define H264_LEVEL_4_0     40
289 #define H264_LEVEL_4_1     41
290 #define H264_LEVEL_4_2     42
291 #define H264_LEVEL_5_0     50
292 #define H264_LEVEL_5_1     51
293 
294 #define MAX_MBS_LEVEL_51 36864
295 #define MAX_MBS_LEVEL_50 22080
296 #define MAX_MBS_LEVEL_42 8704
297 #define MAX_MBS_LEVEL_41 8192
298 #define MAX_MBS_LEVEL_40 8192
299 #define MAX_MBS_LEVEL_32 5120
300 #define MAX_MBS_LEVEL_31 3600
301 #define MAX_MBS_LEVEL_30 1620
302 #define MAX_MBS_LEVEL_22 1620
303 #define MAX_MBS_LEVEL_21 792
304 #define MAX_MBS_LEVEL_20 396
305 #define MAX_MBS_LEVEL_13 396
306 #define MAX_MBS_LEVEL_12 396
307 #define MAX_MBS_LEVEL_11 396
308 #define MAX_MBS_LEVEL_10 99
309 
310 /** NAL Types */
311 #define SLICE_NAL                       1
312 #define SLICE_DATA_PARTITION_A_NAL      2
313 #define SLICE_DATA_PARTITION_B_NAL      3
314 #define SLICE_DATA_PARTITION_C_NAL      4
315 #define IDR_SLICE_NAL                   5
316 #define SEI_NAL                         6
317 #define SEQ_PARAM_NAL                   7
318 #define PIC_PARAM_NAL                   8
319 #define ACCESS_UNIT_DELIMITER_RBSP      9
320 #define END_OF_SEQ_RBSP                 10
321 #define END_OF_STREAM_RBSP              11
322 #define FILLER_DATA_NAL                 12
323 
324 /** Entropy coding modes */
325 #define CAVLC  0
326 #define CABAC  1
327 
328 /** Picture Types */
329 #define I_PIC       0
330 #define IP_PIC      1
331 #define IPB_PIC     2
332 #define SI_PIC      3
333 #define SIP_PIC     4
334 #define ISI_PIC     5
335 #define ISI_PSP_PIC 6
336 #define ALL_PIC     7
337 
338 /* Frame or field picture type */
339 #define FRM_PIC         0x00
340 #define TOP_FLD         0x01
341 #define BOT_FLD         0x02
342 #define COMP_FLD_PAIR   0x03 /* TOP_FLD | BOT_FLD */
343 #define AFRM_PIC        0x04
344 #define TOP_REF         0x08
345 #define BOT_REF         0x10
346 #define PIC_MASK        0x03
347 #define NON_EXISTING    0xff
348 
349 /* field picture type for display */
350 #define DISP_TOP_FLD    0x00
351 #define DISP_BOT_FLD    0x01
352 
353 /** Slice Types */
354 #define P_SLICE  0
355 #define B_SLICE  1
356 #define I_SLICE  2
357 #define SP_SLICE 3
358 #define SI_SLICE 4
359 
360 /* Definition for picture skip */
361 #define SKIP_NONE  (0x0)
362 #define I_SLC_BIT  (0x1)
363 #define P_SLC_BIT  (0x2)
364 #define B_SLC_BIT  (0x4)
365 
366 /** Macros used for Deblocking */
367 #define D_INTER_MB        0
368 #define D_INTRA_MB        1
369 #define D_PRED_NON_16x16  2
370 #define D_B_SLICE         4
371 #define D_B_SUBMB         6 //D_B_SLICE | D_PRED_NON_16x16 | D_INTER_MB
372 #define D_FLD_MB          0x80
373 
374 /** Macros for Cabac checks */
375 /** MbType */
376 /** |x|x|I_PCM|SKIP|
377  |S|Inter/Intra|P/B|NON-BD16x16/BD16x16,I16x16/I4x4| */
378 #define CAB_INTRA         0x00 /* 0000 00xx */
379 #define CAB_INTER         0x04 /* 0000 01xx */
380 #define CAB_I4x4          0x00 /* 0000 00x0 */
381 #define CAB_I16x16        0x01 /* 0000 00x1 */
382 #define CAB_BD16x16       0x04 /* 0000 0100 */
383 #define CAB_NON_BD16x16   0x05 /* 0000 0101 */
384 #define CAB_P             0x07 /* 0000 0111 */
385 #define CAB_SI4x4         0x08 /* 0000 10x0 */
386 #define CAB_SI16x16       0x09 /* 0000 10x1 */
387 #define CAB_SKIP_MASK     0x10 /* 0001 0000 */
388 #define CAB_SKIP          0x10 /* 0001 0000 */
389 #define CAB_P_SKIP        0x16 /* 0001 x11x */
390 #define CAB_B_SKIP        0x14 /* 0001 x100 */
391 #define CAB_BD16x16_MASK  0x07 /* 0000 0111 */
392 #define CAB_INTRA_MASK    0x04 /* 0000 0100 */
393 #define CAB_I_PCM         0x20 /* 001x xxxx */
394 
395 /**< Binarization types for CABAC */
396 /* |x|x|x|x|MSB_FIRST_FLC|FLC|TUNARY|UNARY| */
397 #define UNARY           1
398 #define TUNARY          2
399 #define FLC             4
400 #define MSB_FIRST_FLC   12
401 
402 /** Macroblock Types */
403 #define I_4x4_MB    0
404 #define I_16x16_MB  1
405 #define P_MB        2
406 #define B_MB        3
407 #define SI_MB       4
408 #define SP_MB       5
409 #define I_PCM_MB    6
410 
411 #define SI4x4_MB 0xFF
412 
413 /** Intra luma 16x16 and chroma 8x8 prediction modes */
414 #define NUM_INTRA_PRED_MODES  4
415 #define VERT    0
416 #define HORIZ   1
417 #define DC      2
418 #define PLANE   3
419 #define NOT_VALID -1
420 #define DC_DC_DC_DC   0x02020202 /*packed 4 bytes used in Decode Intra Mb*/
421 
422 /** Intra luma 4x4 prediction modes */
423 #define NUM_INTRA4x4_PRED_MODES 9
424 
425 /** VERT, HORIZ, DC are applicable to 4x4 as well */
426 /** D - Down; U - Up; L - Left; R - Right */
427 #define DIAG_DL   3
428 #define DIAG_DR   4
429 #define VERT_R    5
430 #define HORIZ_D   6
431 #define VERT_L    7
432 #define HORIZ_U   8
433 
434 /** P_MB prediction modes */
435 #define NUM_INTER_MB_PRED_MODES 5
436 #define PRED_16x16  0
437 #define PRED_16x8   1
438 #define PRED_8x16   2
439 #define PRED_8x8    3
440 #define PRED_8x8R0  4
441 #define MAGIC_16x16 5
442 #define MB_SKIP     255
443 
444 /* P_MB submb modes */
445 #define P_L0_8x8    0
446 #define P_L0_8x4    1
447 #define P_L0_4x8    2
448 #define P_L0_4x4    3
449 
450 /* B_MB submb modes */
451 #define B_DIRECT_8x8    0
452 #define B_L0_8x8        1
453 #define B_L1_8x8        2
454 #define B_BI_8x8        3
455 #define B_L0_8x4        4
456 #define B_L0_4x8        5
457 #define B_L1_8x4        6
458 #define B_L1_4x8        7
459 #define B_BI_8x4        8
460 #define B_BI_4x8        9
461 #define B_L0_4x4        10
462 #define B_L1_4x4        11
463 #define B_BI_4x4        12
464 
465 /** B_MB prediction modes */
466 #define B_8x8    22
467 #define PRED_INVALID  -1
468 #define B_DIRECT  0
469 #define PRED_L0   1
470 #define PRED_L1   2
471 #define BI_PRED   3
472 #define B_DIRECT_BI_PRED  23
473 #define B_DIRECT_PRED_L0  24
474 #define B_DIRECT_PRED_L1  25
475 #define B_DIRECT_SPATIAL  26
476 
477 #define B_DIRECT8x8_BI_PRED  13
478 #define B_DIRECT8x8_PRED_L0  14
479 #define B_DIRECT8x8_PRED_L1  15
480 
481 #define ONE_TO_ONE  0
482 #define FRM_TO_FLD  1
483 #define FLD_TO_FRM  2
484 
485 /** Inter Sub MB Pred modes */
486 #define NUM_INTER_SUBMB_PRED_MODES 4
487 #define SUBMB_8x8    0
488 #define SUBMB_8x4    1
489 #define SUBMB_4x8    2
490 #define SUBMB_4x4    3
491 
492 /** Coded Block Pattern - Chroma */
493 #define CBPC_ALLZERO    0
494 #define CBPC_ACZERO     1
495 #define CBPC_NONZERO    2
496 
497 /** Index for accessing the left MB in the MV predictor array */
498 #define LEFT  0
499 /** Index for accessing the top MB in the MV predictor array */
500 #define TOP   1
501 /** Index for accessing the top right MB in the MV predictor array */
502 #define TOP_R 2
503 /** Index for accessing the top Left MB in the MV predictor array */
504 #define TOP_L 3
505 
506 /** Maximum number of Sequence Parameter sets */
507 #define MAX_NUM_SEQ_PARAMS 32
508 
509 /** Maximum number of Picture Parameter sets */
510 #define MAX_NUM_PIC_PARAMS 256
511 
512 #define MASK_ERR_SEQ_SET_ID   (0xFFFFFFE0)
513 #define MASK_ERR_PIC_SET_ID   (0xFFFFFF00)
514 
515 #define MAX_PIC_ORDER_CNT_TYPE    2
516 
517 #define MAX_BITS_IN_FRAME_NUM     16
518 #define MAX_BITS_IN_POC_LSB       16
519 
520 #define H264_MAX_REF_PICS         16
521 #define H264_MAX_REF_IDX          32
522 #define MAX_WEIGHT_BIPRED_IDC     2
523 #define MAX_CABAC_INIT_IDC        2
524 
525 #define H264_DEFAULT_NUM_CORES 1
526 #define DEFAULT_SEPARATE_PARSE (H264_DEFAULT_NUM_CORES == 2)? 1 :0
527 
528 /** Maximum number of Slice groups */
529 #define MAX_NUM_SLICE_GROUPS 8
530 #define MAX_NUM_REF_FRAMES_OFFSET 255
531 
532 /** Deblocking modes for a slice */
533 #define SLICE_BOUNDARY_DBLK_DISABLED  2
534 #define DBLK_DISABLED                 1
535 #define DBLK_ENABLED                  0
536 #define MIN_DBLK_FIL_OFF              -12
537 #define MAX_DBLK_FIL_OFF              12
538 
539 /** Width of the predictor buffers used for MC */
540 #define MB_SIZE             16
541 #define BLK8x8SIZE          8
542 #define BLK_SIZE             4
543 #define NUM_BLKS_PER_MB     24
544 #define NUM_LUM_BLKS_PER_MB 16
545 
546 #define SUB_BLK_WIDTH                 4
547 #define SUB_SUB_BLK_SIZE              4 /* 2x2 pixel i4_size */
548 #define SUB_BLK_SIZE                  ((SUB_BLK_WIDTH) * (SUB_BLK_WIDTH))
549 #define MB_LUM_SIZE                   256
550 #define MB_CHROM_SIZE                 64
551 
552 /**< Width to pad the luminance frame buff    */
553 /**< Height to pad the luminance frame buff   */
554 /**< Width to pad the chrominance frame buff  */
555 /**< Height to pad the chrominance frame buff */
556 
557 #define PAD_LEN_Y_H                   32
558 #define PAD_LEN_Y_V                   20
559 #define PAD_LEN_UV_H                  16
560 #define PAD_LEN_UV_V                  8
561 
562 #define PAD_MV_BANK_ROW             64
563 
564 /**< Maimum u4_ofst by which the Mvs could point outside the frame buffers
565  horizontally in the left and vertically in the top direction */
566 #define MAX_OFFSET_OUTSIDE_X_FRM      -20
567 #define MAX_OFFSET_OUTSIDE_Y_FRM      -20
568 #define MAX_OFFSET_OUTSIDE_UV_FRM     -8
569 
570 /** UVLC parsing macros */
571 #define   UEV     1
572 #define   SEV     2
573 #define   TEV     3
574 
575 /** Defines for Boolean values */
576 #ifndef TRUE
577 #define TRUE    1
578 #define FALSE   0
579 #endif
580 
581 #define UNUSED_FOR_REF 0
582 #define IS_SHORT_TERM  1
583 #define IS_LONG_TERM   2
584 
585 /** Defines for which field gets displayed first */
586 #define MAX_FRAMES              16
587 #define INVALID_FRAME_NUM       0x0fffffff
588 #define DO_NOT_DISP             254
589 #define DISP_FLD_FIRST_UNDEF  0
590 #define DISP_TOP_FLD_FIRST   1
591 #define DISP_BOT_FLD_FIRST   2
592 
593 /** Misc error resilience requirements*/
594 #define MASK_LOG2_WEIGHT_DENOM      0xFFFFFFF8
595 #define MASK_PRED_WEIGHT_OFFSET     0xFFFFFF00
596 #define MAX_REDUNDANT_PIC_CNT       127
597 
598 
599 
600 #endif //DEBLOCK_THREAD
601 
602 #define NUM_COEFFS_IN_4x4BLK 16
603 
604 
605 #define MEMSET_16BYTES(pu4_start,value)                         \
606 {                                                               \
607     memset(pu4_start,value,16);                                 \
608 }
609 
610 #define MEMCPY_16BYTES(dst,src)                                 \
611 {                                                               \
612     memcpy(dst,src,16);                                         \
613 }
614 
615 
616 #endif /*_IH264D_DEFS_H_*/
617