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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 #include <stdint.h>
38 
39 #define H264_MAX_FRAME_WIDTH                4080
40 #define H264_MAX_FRAME_HEIGHT               4080
41 #define H264_MAX_FRAME_SIZE                 (4096 * 2048)
42 
43 #define H264_MIN_FRAME_WIDTH                16
44 #define H264_MIN_FRAME_HEIGHT               16
45 
46 #define FMT_CONV_NUM_ROWS       16
47 
48 /** Bit manipulation macros */
49 #define CHECKBIT(a,i) ((a) &  (1 << i))
50 #define CLEARBIT(a,i) ((a) &= ~(1 << i))
51 
52 /** Macro to check if a number lies in the valid integer range */
53 #define IS_OUT_OF_RANGE_S32(a) (((a) < INT32_MIN) || ((a) > INT32_MAX))
54 
55 /** Macro to convert a integer to a boolean value */
56 #define BOOLEAN(x) (!!(x))
57 
58 /** Arithmetic operations */
59 #define MOD(x,y) ((x)%(y))
60 #define DIV(x,y) ((x)/(y))
61 #define MUL(x,y) ((x)*(y))
62 #define SIGN_POW2_DIV(x, y) (((x) < 0) ? (-((-(x)) >> (y))) : ((x) >> (y)))
63 
64 #define MB_ENABLE_FILTERING           0x00
65 #define MB_DISABLE_FILTERING          0x01
66 #define MB_DISABLE_TOP_EDGE           0x02
67 #define MB_DISABLE_LEFT_EDGE          0x04
68 
69 /** Maximum number of reference pics */
70 #define MAX_REF_BUFS    32
71 #define MAX_DISP_BUFS_NEW 64
72 #define MAX_FRAMES              16
73 
74 #define INVALID_FRAME_NUM       0x0fffffff
75 #define GAP_FRAME_NUM           0x1fffffff
76 
77 /** macros for reference picture lists, refIdx to POC mapping */
78 // 1 extra entry into reference picture lists for refIdx = -1.
79 // this entry is always 0. this saves conditional checks in
80 // FillBs modules.
81 #define POC_LIST_L0_TO_L1_DIFF  (( 2*MAX_FRAMES) + 1)
82 #define POC_LIST_L0_TO_L1_DIFF_1  ((MAX_FRAMES) + 1)
83 
84 #define FRM_LIST_L0             0                                               //0
85 #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)
86 #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)
87 #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)
88 #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
89 #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
90 #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
91 #define PAD_MV_BANK_ROW             64
92 #define OFFSET_MV_BANK_ROW          ((PAD_MV_BANK_ROW)>>1)
93 #define PAD_PUC_CURNNZ              32
94 #define OFFSET_PUC_CURNNZ           (PAD_PUC_CURNNZ)
95 #define PAD_MAP_IDX_POC             (1)
96 #define OFFSET_MAP_IDX_POC          (1)
97 
98 #define OFFSET_MAP_IDX_POC          (1)
99 
100 #define NAL_REF_IDC(nal_first_byte)       ((nal_first_byte >> 5) & 0x3)
101 #define NAL_FORBIDDEN_BIT(nal_first_byte) (nal_first_byte>>7)
102 #define NAL_UNIT_TYPE(nal_first_byte)     (nal_first_byte & 0x1F)
103 
104 #define INT_PIC_TYPE_I        (0x00)
105 
106 #define YIELD_CNT_THRESHOLD  8
107 
108 
109 #define OK        0
110 #define END       1
111 #define NOT_OK    -1
112 
113 /* For 420SP */
114 #define YUV420SP_FACTOR 2
115 
116 /*To prevent buffer overflow access; in case the size of nal unit is
117  *  greater than the allocated buffer size*/
118 #define EXTRA_BS_OFFSET 16*16*2
119 
120 /**
121  ***************************************************************************
122  * Enum to hold various mem records being request
123  ****************************************************************************
124  */
125 enum
126 {
127     /**
128      * Codec Object at API level
129      */
130     MEM_REC_IV_OBJ,
131 
132     /**
133      * Codec context
134      */
135     MEM_REC_CODEC,
136 
137     /**
138      * Bitstream buffer which holds emulation prevention removed bytes
139      */
140     MEM_REC_BITSBUF,
141 
142     /**
143      * Buffer to hold  coeff data
144      */
145     MEM_REC_COEFF_DATA,
146 
147     /**
148      * Motion vector bank
149      */
150     MEM_REC_MVBANK,
151 
152     /**
153      * Holds mem records passed to the codec.
154      */
155     MEM_REC_BACKUP,
156 
157     /**
158      * Holds SPS
159      */
160     MEM_REC_SPS,
161 
162     /**
163      * Holds PPS
164      */
165     MEM_REC_PPS,
166 
167     /**
168      * Holds Slice Headers
169      */
170     MEM_REC_SLICE_HDR,
171 
172     /**
173      * Holds thread handles
174      */
175     MEM_REC_THREAD_HANDLE,
176 
177     /**
178      * Contains i4_status map indicating parse i4_status per MB basis
179      */
180     MEM_REC_PARSE_MAP,
181 
182     /**
183      * Contains i4_status map indicating processing i4_status per MB basis
184      */
185     MEM_REC_PROC_MAP,
186 
187     /**
188      * Contains slice number info for each MB
189      */
190 
191     MEM_REC_SLICE_NUM_MAP,
192 
193     /**
194      * Holds dpb manager context
195      */
196     MEM_REC_DPB_MGR,
197 
198     /**
199      * Holds neighbors' info
200      */
201     MEM_REC_NEIGHBOR_INFO,
202 
203     /**
204      * Holds neighbors' info
205      */
206     MEM_REC_PRED_INFO,
207 
208 
209     /**
210      * Holds inter pred inforamation on packed format info
211      */
212     MEM_REC_PRED_INFO_PKD,
213     /**
214      * Holds neighbors' info
215      */
216     MEM_REC_MB_INFO,
217 
218     /**
219      * Holds deblock Mb info structure frame level)
220      */
221     MEM_REC_DEBLK_MB_INFO,
222 
223     /**
224      * Holds  reference picture buffers in non-shared mode
225      */
226     MEM_REC_REF_PIC,
227 
228     /**
229      * Holds  some misc intermediate_buffers
230      */
231     MEM_REC_EXTRA_MEM,
232 
233     /**
234      * Holds  some misc intermediate_buffers
235      */
236     MEM_REC_INTERNAL_SCRATCH,
237 
238     /**
239      * Holds  some misc intermediate_buffers
240      */
241     MEM_REC_INTERNAL_PERSIST,
242 
243     /* holds structures related to picture buffer manager*/
244     MEM_REC_PIC_BUF_MGR,
245 
246     /*holds structure related to MV buffer manager*/
247     MEM_REC_MV_BUF_MGR,
248 
249     /**
250      * Place holder to compute number of memory records.
251      */
252     MEM_REC_CNT
253 /* Do not add anything below */
254 };
255 
256 #ifdef DEBLOCK_THREAD
257 #define H264_MUTEX_LOCK(lock) ithread_mutex_lock(lock)
258 #define H264_MUTEX_UNLOCK(lock) ithread_mutex_unlock(lock)
259 #else //DEBLOCK_THREAD
260 #define H264_MUTEX_LOCK(lock)
261 #define H264_MUTEX_UNLOCK(lock)
262 
263 #define DEBUG_THREADS_PRINTF(...)
264 #define DEBUG_PERF_PRINTF(...)
265 
266 /** Profile Types*/
267 #define BASE_PROFILE_IDC    66
268 #define MAIN_PROFILE_IDC    77
269 #define EXTENDED_PROFILE_IDC    88
270 #define HIGH_PROFILE_IDC   100
271 
272 
273 #define MB_SIZE             16
274 #define BLK8x8SIZE           8
275 #define BLK_SIZE             4
276 #define NUM_BLKS_PER_MB     24
277 #define NUM_LUM_BLKS_PER_MB 16
278 #define LUM_BLK              0
279 #define CHROM_BLK            1
280 #define NUM_PELS_IN_MB      64
281 
282 /* Level Types */
283 #define H264_LEVEL_1_0     10
284 #define H264_LEVEL_1_1     11
285 #define H264_LEVEL_1_2     12
286 #define H264_LEVEL_1_3     13
287 #define H264_LEVEL_2_0     20
288 #define H264_LEVEL_2_1     21
289 #define H264_LEVEL_2_2     22
290 #define H264_LEVEL_3_0     30
291 #define H264_LEVEL_3_1     31
292 #define H264_LEVEL_3_2     32
293 #define H264_LEVEL_4_0     40
294 #define H264_LEVEL_4_1     41
295 #define H264_LEVEL_4_2     42
296 #define H264_LEVEL_5_0     50
297 #define H264_LEVEL_5_1     51
298 
299 #define MAX_MBS_LEVEL_51 36864
300 #define MAX_MBS_LEVEL_50 22080
301 #define MAX_MBS_LEVEL_42 8704
302 #define MAX_MBS_LEVEL_41 8192
303 #define MAX_MBS_LEVEL_40 8192
304 #define MAX_MBS_LEVEL_32 5120
305 #define MAX_MBS_LEVEL_31 3600
306 #define MAX_MBS_LEVEL_30 1620
307 #define MAX_MBS_LEVEL_22 1620
308 #define MAX_MBS_LEVEL_21 792
309 #define MAX_MBS_LEVEL_20 396
310 #define MAX_MBS_LEVEL_13 396
311 #define MAX_MBS_LEVEL_12 396
312 #define MAX_MBS_LEVEL_11 396
313 #define MAX_MBS_LEVEL_10 99
314 
315 /** NAL Types */
316 #define SLICE_NAL                       1
317 #define SLICE_DATA_PARTITION_A_NAL      2
318 #define SLICE_DATA_PARTITION_B_NAL      3
319 #define SLICE_DATA_PARTITION_C_NAL      4
320 #define IDR_SLICE_NAL                   5
321 #define SEI_NAL                         6
322 #define SEQ_PARAM_NAL                   7
323 #define PIC_PARAM_NAL                   8
324 #define ACCESS_UNIT_DELIMITER_RBSP      9
325 #define END_OF_SEQ_RBSP                 10
326 #define END_OF_STREAM_RBSP              11
327 #define FILLER_DATA_NAL                 12
328 
329 /** Entropy coding modes */
330 #define CAVLC  0
331 #define CABAC  1
332 
333 /** Picture Types */
334 #define I_PIC       0
335 #define IP_PIC      1
336 #define IPB_PIC     2
337 #define SI_PIC      3
338 #define SIP_PIC     4
339 #define ISI_PIC     5
340 #define ISI_PSP_PIC 6
341 #define ALL_PIC     7
342 
343 /* Frame or field picture type */
344 #define FRM_PIC         0x00
345 #define TOP_FLD         0x01
346 #define BOT_FLD         0x02
347 #define COMP_FLD_PAIR   0x03 /* TOP_FLD | BOT_FLD */
348 #define AFRM_PIC        0x04
349 #define TOP_REF         0x08
350 #define BOT_REF         0x10
351 #define PIC_MASK        0x03
352 #define NON_EXISTING    0xff
353 
354 /* field picture type for display */
355 #define DISP_TOP_FLD    0x00
356 #define DISP_BOT_FLD    0x01
357 
358 /** Slice Types */
359 #define NA_SLICE -1
360 #define P_SLICE  0
361 #define B_SLICE  1
362 #define I_SLICE  2
363 #define SP_SLICE 3
364 #define SI_SLICE 4
365 
366 /* Definition for picture skip */
367 #define SKIP_NONE  (0x0)
368 #define I_SLC_BIT  (0x1)
369 #define P_SLC_BIT  (0x2)
370 #define B_SLC_BIT  (0x4)
371 
372 /** Macros used for Deblocking */
373 #define D_INTER_MB        0
374 #define D_INTRA_MB        1
375 #define D_PRED_NON_16x16  2
376 #define D_B_SLICE         4
377 #define D_B_SUBMB         6 //D_B_SLICE | D_PRED_NON_16x16 | D_INTER_MB
378 #define D_FLD_MB          0x80
379 
380 /** Macros for Cabac checks */
381 /** MbType */
382 /** |x|x|I_PCM|SKIP|
383  |S|Inter/Intra|P/B|NON-BD16x16/BD16x16,I16x16/I4x4| */
384 #define CAB_INTRA         0x00 /* 0000 00xx */
385 #define CAB_INTER         0x04 /* 0000 01xx */
386 #define CAB_I4x4          0x00 /* 0000 00x0 */
387 #define CAB_I16x16        0x01 /* 0000 00x1 */
388 #define CAB_BD16x16       0x04 /* 0000 0100 */
389 #define CAB_NON_BD16x16   0x05 /* 0000 0101 */
390 #define CAB_P             0x07 /* 0000 0111 */
391 #define CAB_SI4x4         0x08 /* 0000 10x0 */
392 #define CAB_SI16x16       0x09 /* 0000 10x1 */
393 #define CAB_SKIP_MASK     0x10 /* 0001 0000 */
394 #define CAB_SKIP          0x10 /* 0001 0000 */
395 #define CAB_P_SKIP        0x16 /* 0001 x11x */
396 #define CAB_B_SKIP        0x14 /* 0001 x100 */
397 #define CAB_BD16x16_MASK  0x07 /* 0000 0111 */
398 #define CAB_INTRA_MASK    0x04 /* 0000 0100 */
399 #define CAB_I_PCM         0x20 /* 001x xxxx */
400 
401 /**< Binarization types for CABAC */
402 /* |x|x|x|x|MSB_FIRST_FLC|FLC|TUNARY|UNARY| */
403 #define UNARY           1
404 #define TUNARY          2
405 #define FLC             4
406 #define MSB_FIRST_FLC   12
407 
408 /** Macroblock Types */
409 #define I_4x4_MB    0
410 #define I_16x16_MB  1
411 #define P_MB        2
412 #define B_MB        3
413 #define SI_MB       4
414 #define SP_MB       5
415 #define I_PCM_MB    6
416 
417 #define SI4x4_MB 0xFF
418 
419 /** Intra luma 16x16 and chroma 8x8 prediction modes */
420 #define NUM_INTRA_PRED_MODES  4
421 #define VERT    0
422 #define HORIZ   1
423 #define DC      2
424 #define PLANE   3
425 #define NOT_VALID -1
426 #define DC_DC_DC_DC   0x02020202 /*packed 4 bytes used in Decode Intra Mb*/
427 
428 /** Intra luma 4x4 prediction modes */
429 #define NUM_INTRA4x4_PRED_MODES 9
430 
431 /** VERT, HORIZ, DC are applicable to 4x4 as well */
432 /** D - Down; U - Up; L - Left; R - Right */
433 #define DIAG_DL   3
434 #define DIAG_DR   4
435 #define VERT_R    5
436 #define HORIZ_D   6
437 #define VERT_L    7
438 #define HORIZ_U   8
439 
440 /** P_MB prediction modes */
441 #define NUM_INTER_MB_PRED_MODES 5
442 #define PRED_16x16  0
443 #define PRED_16x8   1
444 #define PRED_8x16   2
445 #define PRED_8x8    3
446 #define PRED_8x8R0  4
447 #define MAGIC_16x16 5
448 #define MB_SKIP     255
449 
450 /* P_MB submb modes */
451 #define P_L0_8x8    0
452 #define P_L0_8x4    1
453 #define P_L0_4x8    2
454 #define P_L0_4x4    3
455 
456 /* B_MB submb modes */
457 #define B_DIRECT_8x8    0
458 #define B_L0_8x8        1
459 #define B_L1_8x8        2
460 #define B_BI_8x8        3
461 #define B_L0_8x4        4
462 #define B_L0_4x8        5
463 #define B_L1_8x4        6
464 #define B_L1_4x8        7
465 #define B_BI_8x4        8
466 #define B_BI_4x8        9
467 #define B_L0_4x4        10
468 #define B_L1_4x4        11
469 #define B_BI_4x4        12
470 
471 /** B_MB prediction modes */
472 #define B_8x8    22
473 #define PRED_INVALID  -1
474 #define B_DIRECT  0
475 #define PRED_L0   1
476 #define PRED_L1   2
477 #define BI_PRED   3
478 #define B_DIRECT_BI_PRED  23
479 #define B_DIRECT_PRED_L0  24
480 #define B_DIRECT_PRED_L1  25
481 #define B_DIRECT_SPATIAL  26
482 
483 #define B_DIRECT8x8_BI_PRED  13
484 #define B_DIRECT8x8_PRED_L0  14
485 #define B_DIRECT8x8_PRED_L1  15
486 
487 #define ONE_TO_ONE  0
488 #define FRM_TO_FLD  1
489 #define FLD_TO_FRM  2
490 
491 /** Inter Sub MB Pred modes */
492 #define NUM_INTER_SUBMB_PRED_MODES 4
493 #define SUBMB_8x8    0
494 #define SUBMB_8x4    1
495 #define SUBMB_4x8    2
496 #define SUBMB_4x4    3
497 
498 /** Coded Block Pattern - Chroma */
499 #define CBPC_ALLZERO    0
500 #define CBPC_ACZERO     1
501 #define CBPC_NONZERO    2
502 
503 /** Index for accessing the left MB in the MV predictor array */
504 #define LEFT  0
505 /** Index for accessing the top MB in the MV predictor array */
506 #define TOP   1
507 /** Index for accessing the top right MB in the MV predictor array */
508 #define TOP_R 2
509 /** Index for accessing the top Left MB in the MV predictor array */
510 #define TOP_L 3
511 
512 /** Maximum number of Sequence Parameter sets */
513 #define MAX_NUM_SEQ_PARAMS 32
514 
515 /** Maximum number of Picture Parameter sets */
516 #define MAX_NUM_PIC_PARAMS 256
517 
518 #define MASK_ERR_SEQ_SET_ID   (0xFFFFFFE0)
519 #define MASK_ERR_PIC_SET_ID   (0xFFFFFF00)
520 
521 #define MAX_PIC_ORDER_CNT_TYPE    2
522 
523 #define MAX_BITS_IN_FRAME_NUM     16
524 #define MAX_BITS_IN_POC_LSB       16
525 
526 #define H264_MAX_REF_PICS         16
527 #define H264_MAX_REF_IDX          32
528 #define MAX_WEIGHT_BIPRED_IDC     2
529 #define MAX_CABAC_INIT_IDC        2
530 
531 #define H264_DEFAULT_NUM_CORES 1
532 #define DEFAULT_SEPARATE_PARSE (H264_DEFAULT_NUM_CORES == 2)? 1 :0
533 
534 /** Maximum number of Slice groups */
535 #define MAX_NUM_SLICE_GROUPS 8
536 #define MAX_NUM_REF_FRAMES_OFFSET 255
537 
538 /** Deblocking modes for a slice */
539 #define SLICE_BOUNDARY_DBLK_DISABLED  2
540 #define DBLK_DISABLED                 1
541 #define DBLK_ENABLED                  0
542 #define MIN_DBLK_FIL_OFF              -12
543 #define MAX_DBLK_FIL_OFF              12
544 
545 /** Width of the predictor buffers used for MC */
546 #define MB_SIZE             16
547 #define BLK8x8SIZE          8
548 #define BLK_SIZE             4
549 #define NUM_BLKS_PER_MB     24
550 #define NUM_LUM_BLKS_PER_MB 16
551 
552 #define SUB_BLK_WIDTH                 4
553 #define SUB_SUB_BLK_SIZE              4 /* 2x2 pixel i4_size */
554 #define SUB_BLK_SIZE                  ((SUB_BLK_WIDTH) * (SUB_BLK_WIDTH))
555 #define MB_LUM_SIZE                   256
556 #define MB_CHROM_SIZE                 64
557 
558 /**< Width to pad the luminance frame buff    */
559 /**< Height to pad the luminance frame buff   */
560 /**< Width to pad the chrominance frame buff  */
561 /**< Height to pad the chrominance frame buff */
562 
563 #define PAD_LEN_Y_H                   32
564 #define PAD_LEN_Y_V                   20
565 #define PAD_LEN_UV_H                  16
566 #define PAD_LEN_UV_V                  8
567 
568 #define PAD_MV_BANK_ROW             64
569 
570 /**< Maimum u4_ofst by which the Mvs could point outside the frame buffers
571  horizontally in the left and vertically in the top direction */
572 #define MAX_OFFSET_OUTSIDE_X_FRM      -20
573 #define MAX_OFFSET_OUTSIDE_Y_FRM      -20
574 #define MAX_OFFSET_OUTSIDE_UV_FRM     -8
575 
576 /** UVLC parsing macros */
577 #define   UEV     1
578 #define   SEV     2
579 #define   TEV     3
580 
581 /** Defines for Boolean values */
582 #ifndef TRUE
583 #define TRUE    1
584 #define FALSE   0
585 #endif
586 
587 #define UNUSED_FOR_REF 0
588 #define IS_SHORT_TERM  1
589 #define IS_LONG_TERM   2
590 
591 /** Defines for which field gets displayed first */
592 #define MAX_FRAMES              16
593 #define INVALID_FRAME_NUM       0x0fffffff
594 #define DO_NOT_DISP             254
595 #define DISP_FLD_FIRST_UNDEF  0
596 #define DISP_TOP_FLD_FIRST   1
597 #define DISP_BOT_FLD_FIRST   2
598 
599 /** Misc error resilience requirements*/
600 #define MASK_LOG2_WEIGHT_DENOM      0xFFFFFFF8
601 #define MASK_PRED_WEIGHT_OFFSET     0xFFFFFF00
602 #define MAX_REDUNDANT_PIC_CNT       127
603 
604 
605 
606 #endif //DEBLOCK_THREAD
607 
608 #define NUM_COEFFS_IN_4x4BLK 16
609 #define CABAC_BITS_TO_READ 23
610 
611 #define MEMSET_16BYTES(pu4_start,value)                         \
612 {                                                               \
613     memset(pu4_start,value,16);                                 \
614 }
615 
616 #define MEMCPY_16BYTES(dst,src)                                 \
617 {                                                               \
618     memcpy(dst,src,16);                                         \
619 }
620 
621 
622 #endif /*_IH264D_DEFS_H_*/
623