1 /******************************************************************************
2  *
3  * Copyright (C) 2018 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 /*!
21 ******************************************************************************
22 * \file ihevce_api.h
23 *
24 * \brief
25 *    This file contains definitions and structures which are shared between
26 *    application and HEVC Encoder Processing interface layer
27 *
28 * \date
29 *    18/09/2012
30 *
31 * \author
32 *    Ittiam
33 *
34 ******************************************************************************
35 */
36 
37 #ifndef _IHEVCE_API_H_
38 #define _IHEVCE_API_H_
39 
40 /*****************************************************************************/
41 /* Constant Macros                                                           */
42 /*****************************************************************************/
43 #define IHEVCE_MAX_IO_BUFFERS 3
44 
45 #define IHEVCE_EXTENDED_SAR 255
46 
47 #define IHEVCE_MBR_CORE_WEIGHTAGE 0.25f
48 
49 /** Maximum number of resolutions encoder can run */
50 #define IHEVCE_MAX_NUM_RESOLUTIONS 1  //10
51 
52 /** Maximum number of bit-rate instances encoder can run */
53 #define IHEVCE_MAX_NUM_BITRATES 1  //5
54 
55 #define MAX_NUM_CORES 8  // Supports upto 160 logical cores.
56 
57 /* Max length of filenames */
58 #define MAX_LEN_FILENAME 200
59 
60 /* max number of tiles per row/cols */
61 //Main/Main10 profile (=4096/256) //Don't change this
62 #define MAX_TILE_COLUMNS 16
63 //Main/Main10 profile (=2160/64)  //Don't change this
64 #define MAX_TILE_ROWS 34
65 
66 #define IHEVCE_ASYNCH_ERROR_START 0x0000E600
67 #define IHEVCE_SYNCH_ERROR_START 0x0000E700
68 
69 #define MAX_NUM_DYN_BITRATE_CMDS (IHEVCE_MAX_NUM_RESOLUTIONS * IHEVCE_MAX_NUM_BITRATES)
70 
71 /* NAL units related definations */
72 #define MAX_NUM_PREFIX_NALS_PER_AU 20
73 #define MAX_NUM_SUFFIX_NALS_PER_AU 20
74 #define MAX_NUM_VCL_NALS_PER_AU 200 /* as per level 5.1 from spec */
75 
76 /* Maximum number of processor groups supported */
77 #define MAX_NUMBER_PROC_GRPS 4
78 
79 /** @brief maximum length of CC User Data in a single frame */
80 #define MAX_SEI_PAYLOAD_PER_TLV (0x200)
81 
82 #define MAX_NUMBER_OF_SEI_PAYLOAD (10)
83 
84 #define IHEVCE_COMMANDS_TAG_MASK (0x0000FFFF)
85 
86 // Upper 16 bits are used to communicate payload type
87 #define IHEVCE_PAYLOAD_TYPE_MASK (0xFFFF0000)
88 
89 #define IHEVCE_PAYLOAD_TYPE_SHIFT (16)
90 
91 #define MAX_FRAME_RATE  120.0
92 #define MIN_FRAME_RATE  1.0
93 
94 /*****************************************************************************/
95 /* Enums                                                                     */
96 /*****************************************************************************/
97 /**
98  *  @brief      Enumerations for Quality config.
99  */
100 typedef enum
101 {
102     IHEVCE_QUALITY_DUMMY = 0xFFFFFFFF,
103     IHEVCE_QUALITY_P0 = 0,
104     IHEVCE_QUALITY_P2 = 2,
105     IHEVCE_QUALITY_P3,
106     IHEVCE_QUALITY_P4,
107     IHEVCE_QUALITY_P5,
108     IHEVCE_QUALITY_P6,
109     IHEVCE_QUALITY_P7,
110     IHEVCE_NUM_QUALITY_PRESET
111 } IHEVCE_QUALITY_CONFIG_T;
112 
113 /*****************************************************************************/
114 /* Enums                                                                     */
115 /*****************************************************************************/
116 /**
117  *  @brief      Enumerations for Quality config for auxilary bitrate in case of MBR.
118  */
119 typedef enum
120 {
121     IHEVCE_MBR_DUMMY = -1,
122     IHEVCE_MBR_HIGH_QUALITY = 0,
123     IHEVCE_MBR_MEDIUM_SPEED,
124     IHEVCE_MBR_HIGH_SPEED,
125     IHEVCE_MBR_EXTREME_SPEED
126 } IHEVCE_QUALITY_CONFIG_MBR_T;
127 
128 /**
129  *  @brief      Enumerations for Rate Control config.
130  */
131 typedef enum
132 {
133     IHEVCE_RC_DUMMY = 0xFFFFFFFF,
134     IHEVCE_RC_LOW_DELAY = 1,
135     IHEVCE_RC_STORAGE = 2,
136     IHEVCE_RC_TWOPASS = 3,
137     IHEVCE_RC_NONE = 4,
138     IHEVCE_RC_USER_DEFINED = 5,
139     IHEVCE_RC_RATECONTROLPRESET_DEFAULT = IHEVCE_RC_LOW_DELAY
140 } IHEVCE_RATE_CONTROL_CONFIG_T;
141 
142 /**
143  *  @brief      Enumerations for Intra Refresh config.
144  */
145 typedef enum
146 {
147     IHEVCE_REFRESH_DUMMY = 0,
148     IHEVCE_I_SILICE = 1,
149     IHEVCE_COLUMN_BASED = 2,
150     IHEVCE_DBR = 3,
151     IHEVCE_GDR = 4
152 } IHEVCE_REFRESH_CONFIG_T;
153 
154 /**
155  *  @brief      Enumerations for ASYNCH Control Commands Tags.
156  */
157 typedef enum
158 {
159     IHEVCE_ASYNCH_API_END_TAG = 0xFFFF,
160     IHEVCE_ASYNCH_API_SETBITRATE_TAG = 0x01,
161     IHEVCE_ASYNCH_API_SET_RF_TAG = 0x02,
162     IHEVCE_ASYNCH_API_FORCE_CLOSE_TAG = 0x03
163 } IHEVCE_ASYNCH_API_COMMAND_TAG_T;
164 
165 typedef enum
166 {
167     IHEVCE_ASYNCH_ERR_NO_END_TAG = IHEVCE_ASYNCH_ERROR_START + 0x01,
168     IHEVCE_ASYNCH_ERR_TLV_ERROR = IHEVCE_ASYNCH_ERROR_START + 0x02,
169     IHEVCE_ASYNCH_ERR_LENGTH_NOT_ZERO = IHEVCE_ASYNCH_ERROR_START + 0x03,
170     IHEVCE_ASYNCH_ERR_BR_NOT_BYTE = IHEVCE_ASYNCH_ERROR_START + 0x04,
171     IHEVCE_ASYNCH_FORCE_CLOSE_NOT_SUPPORTED = IHEVCE_ASYNCH_ERROR_START + 0x05
172 } IHEVCE_ASYNCH_ERROR_TAG_T;
173 
174 /**
175  *  @brief      Enumerations for SYNCH Control Commands Tags.
176  */
177 typedef enum
178 {
179     IHEVCE_SYNCH_API_END_TAG = 0xFFFF,
180     IHEVCE_SYNCH_API_FLUSH_TAG = 0x21,
181     IHEVCE_SYNCH_API_FORCE_IDR_TAG = 0x22,
182     IHEVCE_SYNCH_API_REG_KEYFRAME_SEI_TAG = 0x23,
183     IHEVCE_SYNCH_API_REG_ALLFRAME_SEI_TAG = 0x24,
184     IHEVCE_SYNCH_API_SET_RES_TAG = 0x25
185 } IHEVCE_SYNCH_API_COMMAND_TAG_T;
186 
187 typedef enum
188 {
189     IHEVCE_SYNCH_ERR_NO_END_TAG = IHEVCE_SYNCH_ERROR_START + 0x11,
190     IHEVCE_SYNCH_ERR_TLV_ERROR = IHEVCE_SYNCH_ERROR_START + 0x12,
191     IHEVCE_SYNCH_ERR_LENGTH_NOT_ZERO = IHEVCE_SYNCH_ERROR_START + 0x13,
192     IHEVCE_SYNCH_ERR_NO_PADDING = IHEVCE_SYNCH_ERROR_START + 0x14,
193     IHEVCE_SYNCH_ERR_WRONG_LENGTH = IHEVCE_SYNCH_ERROR_START + 0x15,
194     IHEVCE_SYNCH_ERR_FREQ_FORCE_IDR_RECEIVED = IHEVCE_SYNCH_ERROR_START + 0x16,
195     IHEVCE_SYNCH_ERR_TOO_MANY_SEI_MSG = IHEVCE_SYNCH_ERROR_START + 0x17,
196     IHEVCE_SYNCH_ERR_SET_RES_NOT_SUPPORTED = IHEVCE_SYNCH_ERROR_START + 0x18
197 } IHEVCE_SYNCH_ERROR_TAG_T;
198 
199 /**
200  *  @brief      Enumerations for output status identifier
201  */
202 typedef enum
203 {
204     IHEVCE_PROCESS = 0,
205     IHEVCE_CONTROL_STS,
206     IHEVCE_CREATE_STS,
207 } IHEVCE_OUT_STS_ID_T;
208 
209 /**
210   * Scenetype enums
211   */
212 typedef enum
213 {
214     IHEVCE_SCENE_TYPE_NORMAL = 0,
215     IHEVCE_SCENE_TYPE_SCENE_CUT,
216     IHEVCE_SCENE_TYPE_FLASH,
217     IHEVCE_SCENE_TYPE_FADE_IN,
218     IHEVCE_SCENE_TYPE_FADE_OUT,
219     IHEVCE_SCENE_TYPE_DISSOLVE,
220     IHEVCE_MAX_NUM_SCENE_TYPES
221 } IHEVCE_SCENE_TYPE;
222 
223 /**
224   * Type of data. Used for scanning the config file
225   */
226 typedef enum
227 {
228     IHEVCE_STRING = 0,
229     IHEVCE_INT,
230     IHEVCE_FLOAT
231 } IHEVCE_DATA_TYPE;
232 
233 /*****************************************************************************/
234 /* Structure                                                                 */
235 /*****************************************************************************/
236 
237 /**
238  *  @brief      Structure to describe the properties of Source of encoder.
239  */
240 typedef struct
241 {
242     /** Used for checking version compatibility  */
243     WORD32 i4_size;
244 
245     /**  Input chroma format
246      * @sa : IV_COLOR_FORMAT_T
247      */
248     WORD32 inp_chr_format;
249 
250     /**  Internal chroma format
251      * @sa : IV_COLOR_FORMAT_T
252      */
253     WORD32 i4_chr_format;
254 
255     /** Width of input luma */
256     WORD32 i4_width;
257 
258     /** Height of input luma */
259     WORD32 i4_height;
260 
261     /** Configured Width of input luma */
262     WORD32 i4_orig_width;
263 
264     /** Configured Height of input luma */
265     WORD32 i4_orig_height;
266 
267     /** Width of each pixel in bits */
268     WORD32 i4_input_bit_depth;
269 
270     /** Input Content Type
271      * @sa : IV_CONTENT_TYPE_T
272      */
273     WORD32 i4_field_pic;
274 
275     /** Frame/Field rate numerator
276      * (final fps = frame_rate_num/frame_rate_denom)
277      */
278     WORD32 i4_frm_rate_num;
279 
280     /** Can be 1000 or 1001 to allow proper representation
281      *  of fractional frame-rates
282      */
283     WORD32 i4_frm_rate_denom;
284 
285     /**
286      *  Whether Top field is encoded first or bottom
287      */
288     WORD32 i4_topfield_first;
289 
290 } ihevce_src_params_t;
291 
292 /*****************************************************************************/
293 /* Structure                                                                 */
294 /*****************************************************************************/
295 /**
296  *  @brief      Structure to describe attributes of a layer.
297  */
298 typedef struct
299 {
300     /** Used for checking version compatibility  */
301     WORD32 i4_size;
302 
303     /** Width of input luma */
304     WORD32 i4_width;
305 
306     /** Height of input luma */
307     WORD32 i4_height;
308 
309     /** Frame/Field rate
310      * (final fps = src frame_rate_num/src frame_rate_denom/i4_frm_rate_scale_factor)
311      */
312     WORD32 i4_frm_rate_scale_factor;
313 
314     /** Quality vs. complexity
315      * @sa : IHEVCE_QUALITY_CONFIG_T
316      */
317     IHEVCE_QUALITY_CONFIG_T i4_quality_preset;
318 
319     /** 0 : Level 4, any level above this not supported */
320     WORD32 i4_codec_level;
321 
322     /** Number of bit-rate instances for the current layer
323     */
324     WORD32 i4_num_bitrate_instances;
325 
326     /** Target Bit-rate in bits for Constant bitrate cases  */
327     WORD32 ai4_tgt_bitrate[IHEVCE_MAX_NUM_BITRATES];
328 
329     /** Peak Bit-rate in bits for each bitrate */
330     WORD32 ai4_peak_bitrate[IHEVCE_MAX_NUM_BITRATES];
331 
332     /** Maximum VBV buffer size in bits for each and each bitrate */
333     WORD32 ai4_max_vbv_buffer_size[IHEVCE_MAX_NUM_BITRATES];
334 
335     /** Frame level Qp for Constant Qp mode */
336     WORD32 ai4_frame_qp[IHEVCE_MAX_NUM_BITRATES];
337 
338 } ihevce_tgt_params_t;
339 
340 /*****************************************************************************/
341 /* Structure                                                                 */
342 /*****************************************************************************/
343 /**
344  *  @brief      Structure to describe the properties of target
345                 resolution of encoder.
346  */
347 typedef struct
348 {
349     /** Used for checking version compatibility  */
350     WORD32 i4_size;
351 
352     /**  Number of resolution layers
353      */
354     WORD32 i4_num_res_layers;
355 
356     /*  Applicable only for multi res cases.
357      Output of only one resolution to be dumped */
358 
359     WORD32 i4_mres_single_out;
360 
361     /* Specify starting resolution id for mres single out case.
362      This is only valid in mres_single out mode */
363 
364     WORD32 i4_start_res_id;
365 
366     /**  To enable reuse across layers
367      */
368     WORD32 i4_multi_res_layer_reuse;
369 
370     /** Quality vs. complexity for auxilary bitrates
371      * @sa : IHEVCE_QUALITY_CONFIG_MBR_T
372      */
373     IHEVCE_QUALITY_CONFIG_MBR_T i4_mbr_quality_setting;
374 
375     /**
376      *Bit depth used by encoder
377      */
378     WORD32 i4_internal_bit_depth;
379 
380     /**
381     *Temporal scalability enable Flag
382     */
383     WORD32 i4_enable_temporal_scalability;
384 
385     /** Resolution and frame rate scaling factors for
386      *  each layer
387      */
388     ihevce_tgt_params_t as_tgt_params[IHEVCE_MAX_NUM_RESOLUTIONS];
389 
390     /*Scaler handle */
391     void *pv_scaler_handle;
392 
393     /*Function pointer for scaling luma data*/
394     void (*pf_scale_luma)(
395         void *pv_scaler_handle,
396         UWORD8 *pu1_in_buf,
397         WORD32 i4_inp_width,
398         WORD32 i4_inp_height,
399         WORD32 i4_inp_stride,
400         UWORD8 *pu1_out_buf,
401         WORD32 i4_out_width,
402         WORD32 i4_out_height,
403         WORD32 i4_out_stride);
404 
405     /*Function pointer for scaling chroma data*/
406     void (*pf_scale_chroma)(
407         void *pv_scaler_handle,
408         UWORD8 *pu1_in_buf,
409         WORD32 i4_inp_width,
410         WORD32 i4_inp_height,
411         WORD32 i4_inp_stride,
412         UWORD8 *pu1_out_buf,
413         WORD32 i4_out_width,
414         WORD32 i4_out_height,
415         WORD32 i4_out_stride);
416 
417 } ihevce_tgt_layer_params_t;
418 
419 /**
420  *  @brief    Structure to describe the stream level
421  *            properties encoder should adhere to
422  */
423 typedef struct
424 {
425     /** Used for checking version compatibility */
426     WORD32 i4_size;
427 
428     /**  0 - HEVC , no other value supported */
429     WORD32 i4_codec_type;
430 
431     /**1 : Main Profile ,2: Main 10 Profile. no other value supported */
432     WORD32 i4_codec_profile;
433 
434     /** 0: Main Tier ,1: High Tier. no other value supported */
435     WORD32 i4_codec_tier;
436 
437     /** Enable VUI output  1: enable 0 : disable */
438     WORD32 i4_vui_enable;
439 
440     /** Enable specific SEI messages in the stream
441      *  1: enable 0 : disable
442      */
443     WORD32 i4_sei_enable_flag;
444 
445     /** Enable specific SEI payload (other than pic timing and buffering period) messages in the stream
446      *  1: enable 0 : disable
447      */
448     WORD32 i4_sei_payload_enable_flag;
449 
450     /** Enable specific SEI buffering period messages in the stream
451      *  1: enable 0 : disable
452      */
453     WORD32 i4_sei_buffer_period_flags;
454 
455     /** Enable specific SEI Picture timing messages in the stream
456      *  1: enable 0 : disable
457      */
458     WORD32 i4_sei_pic_timing_flags;
459 
460     /** Enable specific SEI recovery point messages in the stream
461      *  1: enable 0 : disable
462      */
463     WORD32 i4_sei_recovery_point_flags;
464 
465     /** Enable specific SEI mastering display colour volume in the stream
466      *  1: enable 0 : disable
467      */
468     WORD32 i4_sei_mastering_disp_colour_vol_flags;
469 
470     /**
471      * Array to store the display_primaries_x values
472      */
473     UWORD16 au2_display_primaries_x[3];
474 
475     /**
476      * Array to store the display_primaries_y values
477      */
478     UWORD16 au2_display_primaries_y[3];
479 
480     /**
481      * Variable to store the white point x value
482      */
483     UWORD16 u2_white_point_x;
484 
485     /**
486      * Variable to store the white point y value
487      */
488     UWORD16 u2_white_point_y;
489 
490     /**
491      * Variable to store the max display mastering luminance value
492      */
493     UWORD32 u4_max_display_mastering_luminance;
494 
495     /**
496      * Variable to store the min display mastering luminance value
497      */
498     UWORD32 u4_min_display_mastering_luminance;
499 
500     /**
501      * Enable Content Level Light Info
502      */
503     WORD32 i4_sei_cll_enable;
504 
505     /**
506      * 16bit unsigned number which indicates the maximum pixel intensity of all samples in bit-stream in units of 1 candela per square metre
507      */
508     UWORD16 u2_sei_max_cll;
509 
510     /**
511      * 16bit unsigned number which indicates the average pixel intensity of all samples in bit-stream in units of 1 candela per square metre
512      */
513     UWORD16 u2_sei_avg_cll;
514 
515     /** Enable/Disable SEI Hash on the Decoded picture & Hash type
516      *  3 : Checksum, 2 : CRC, 1 : MD5, 0 : disable
517      */
518     WORD32 i4_decoded_pic_hash_sei_flag;
519 
520     /** Enable specific AUD messages in the stream
521      *  1: enable 0 : disable
522      */
523     WORD32 i4_aud_enable_flags;
524 
525     /** Enable EOS messages in the stream
526      *  1: enable 0 : disable
527      */
528     WORD32 i4_eos_enable_flags;
529 
530     /** Enable automatic insertion of SPS at each CDR
531      *  1: enable 0 : disable
532      */
533     WORD32 i4_sps_at_cdr_enable;
534 
535     WORD32 i4_interop_flags;
536 
537 } ihevce_out_strm_params_t;
538 
539 /**
540  *  @brief   Structure to describe the Encoding Coding tools
541  *           to be used by the Encoder
542  */
543 typedef struct
544 {
545     /** Used for checking version compatibility*/
546     WORD32 i4_size;
547 
548     /** Max spacing between IDR frames -
549       *  0 indicates only at the beginning
550       */
551     WORD32 i4_max_closed_gop_period;
552 
553     /** Min spacing between IDR frames  -
554      *  Max = Min provides fixed segment length
555      */
556     WORD32 i4_min_closed_gop_period;
557 
558     /** Max spacing between CRA frames -
559       *
560       */
561     WORD32 i4_max_cra_open_gop_period;
562 
563     /** Max spacing between I frames  -
564      *
565      */
566     WORD32 i4_max_i_open_gop_period;
567 
568     /** Maximum number of dyadic temporal layers */
569     WORD32 i4_max_temporal_layers;
570 
571     /** Maximum number of reference frames */
572     WORD32 i4_max_reference_frames;
573 
574     /** Enable weighted prediction
575      * 0 - disabled (default); 1 -enabled
576      */
577     WORD32 i4_weighted_pred_enable;
578 
579     /**  Deblocking type 0 - no deblocking;
580      *  1 - default; 2 - disable across slices
581      */
582     WORD32 i4_deblocking_type;
583 
584     /** Use default scaling matrices
585      * 0 - disabled; 1 - enabled (default)
586      */
587     WORD32 i4_use_default_sc_mtx;
588 
589     /** Cropping mode for cases  where frame dimensions
590      *  are not multiple of MIN CU size
591      *  1 - enable padding to min_cu multiple and generate cropping flags;
592      *  0 - report error
593      */
594     WORD32 i4_cropping_mode;
595 
596     /** 0 - no slices; 1 - packet based; 2 - CU based */
597     WORD32 i4_slice_type;
598 
599     /** Use default scaling matrices
600      * 0 - disabled; 1 - enabled (default)
601      */
602     WORD32 i4_enable_entropy_sync;
603 
604     /** VQET control parameter */
605     WORD32 i4_vqet;
606 
607 } ihevce_coding_params_t;
608 
609 /**
610  *  @brief  Structure to describe the Configurable parameters of Encoder
611  */
612 typedef struct
613 {
614     /** Used for checking version compatibility */
615     WORD32 i4_size;
616 
617     /* ---------- Tiles related parameters ------------ */
618 
619     /* ----------- CU related parameters -------------- */
620 
621     /** 4 - 16x16; 5 - 32x32 (default); 6 - 64x64 */
622     WORD32 i4_max_log2_cu_size;
623 
624     /** 3 - 8x8; 4 - 16x16 (default); 5 - 32x32 ; 6 - 64x64 */
625     WORD32 i4_min_log2_cu_size;
626 
627     /** 2 - 4x4 (default) ; 3 - 8x8; 4 - 16x16; 5 - 32x32 */
628     WORD32 i4_min_log2_tu_size;
629 
630     /** 2 - 4x4; 3 - 8x8 (default); 4 - 16x16; 5 - 32x32 */
631     WORD32 i4_max_log2_tu_size;
632 
633     /** Max transform tree depth for intra */
634     WORD32 i4_max_tr_tree_depth_I;
635 
636     /** Max transform tree depth for inter */
637     WORD32 i4_max_tr_tree_depth_nI;
638 
639     /* ---------- Rate Control related parameters ------ */
640 
641     /** Rate control mode  0 - constant qp (default); 1- CBR  */
642     WORD32 i4_rate_control_mode;
643 
644     /** CU level Qp modulation
645         0 - No Qp modulation at CU level;
646         1 - QP modulation level 1
647         2 - QP modulation level 2
648         3 - QP modulation level 3*/
649     WORD32 i4_cu_level_rc;
650 
651     /* Unused variable retained for backward compatibility*/
652     WORD32 i4_rate_factor;
653 
654     /** Enable stuffing 0 - disabled (default); 1 -enabled */
655     WORD32 i4_stuffing_enable;
656 
657     /*The max deivaiton allowed from file size (used only in VBR, in CBR vbv buffer size dictates the deviaiton allowed)*/
658     WORD32 i4_vbr_max_peak_rate_dur;
659 
660     /*Number of frames to encode. required to control allowed bit deviation at any point of time*/
661     WORD32 i4_num_frms_to_encode;
662 
663     /** Initial buffer fullness when decoding starts */
664     WORD32 i4_init_vbv_fullness;
665 
666     /** Frame level I frame max qp in rate control mode */
667     WORD32 i4_max_frame_qp;
668 
669     /** Frame level I frame min qp in rate control mode */
670     WORD32 i4_min_frame_qp;
671     /* --------- ME related parameters ---------------- */
672 
673     /** Maximum search range in full pel units. horizontal direction */
674     WORD32 i4_max_search_range_horz;
675 
676     /** Maximum search range in full pel units.  vertical direction */
677     WORD32 i4_max_search_range_vert;
678 } ihevce_config_prms_t;
679 
680 /**
681  *  @brief    Structure to describe Dynamic configuralbe
682  *            parameters of encoder
683  *
684  *            these new params can be passed as async commands
685  *            to the enocder by sending a IHEVCE_CMD_CTL_SETPARAMS command
686  */
687 typedef struct
688 {
689     /** Used for checking version compatibility */
690     WORD32 i4_size;
691 
692     /** Resolution ID  of the stream for which bitrate change needs to be applied */
693     WORD32 i4_tgt_res_id;
694 
695     /** Bitrate ID in the Resolution ID  of the stream for which bitrate change needs to be applied */
696     WORD32 i4_tgt_br_id;
697 
698     /** New Target Bit-rate for on the fly change */
699     WORD32 i4_new_tgt_bitrate;
700 
701     /** New Peak Bit-rate for on the fly change */
702     WORD32 i4_new_peak_bitrate;
703 } ihevce_dyn_config_prms_t;
704 
705 /**
706  *  @brief    Structure to describe Dynamic configuralbe
707  *            parameters of encoder for dynamic resolution change
708  *
709  *            these new params can be passed as synchromous commands
710  *            to the enocder by sending a IHEVCE_SYNCH_API_SET_RES_TAG command
711  */
712 typedef struct
713 {
714     /** Resolution ID  of the stream for which bitrate change needs to be applied */
715     WORD32 i4_new_res_id;
716 
717     /** New Target Bit-rate for on the fly change */
718     WORD32 i4_new_tgt_bitrate;
719 
720 } ihevce_dyn_res_prms_t;
721 
722 /**
723  *  @brief    Structure to describe the Look Ahead
724  *            Processing Parameters of Encoder
725  */
726 typedef struct
727 {
728     /** Used for checking version compatibility */
729     WORD32 i4_size;
730 
731     /** Number of frames to look-ahead for RC and adaptive quant -
732      * counts each fields as one frame for interlaced
733      */
734     WORD32 i4_rc_look_ahead_pics;
735 
736     /** Enable computation of weights & offsets for weighted prediction */
737     WORD32 i4_enable_wts_ofsts;
738 
739     /* Enables denoiser as a part of video preprocessing. */
740     WORD32 i4_denoise_enable;
741 
742     /* Enable this flag if input is interlaced and output is progressive */
743     WORD32 i4_deinterlacer_enable;
744 
745 } ihevce_lap_params_t;
746 
747 /**
748  *  @brief    Structure to describe the parameters
749  *            related to multi-bitrate encoding
750  */
751 typedef struct
752 {
753     /** Number of bit-rate instances */
754     WORD32 i4_num_bitrate_instances;
755 
756     /* Number of intra modes to be evaluated for derived instance */
757     WORD32 i4_num_modes_intra;
758 
759     /* Number of inter modes to be evaluated for derived instance */
760     WORD32 i4_num_modes_inter;
761 
762 } ihevce_mbr_params_t;
763 
764 /**
765  *  @brief  Vui/Sei parameters of Encoder
766  */
767 typedef struct
768 {
769     /**
770     *  indicates the presence of aspect_ratio
771     */
772     UWORD8 u1_aspect_ratio_info_present_flag;
773 
774     /**
775     *  specifies the aspect ratio of the luma samples
776     */
777     UWORD8 au1_aspect_ratio_idc[IHEVCE_MAX_NUM_RESOLUTIONS];
778 
779     /**
780     *  width of the luma samples. user dependent
781     */
782     UWORD16 au2_sar_width[IHEVCE_MAX_NUM_RESOLUTIONS];
783 
784     /**
785     *  height of the luma samples. user dependent
786     */
787     UWORD16 au2_sar_height[IHEVCE_MAX_NUM_RESOLUTIONS];
788 
789     /**
790     * if 1, specifies that the overscan_appropriate_flag is present
791     * if 0, the preferred display method for the video signal is unspecified
792     */
793     UWORD8 u1_overscan_info_present_flag;
794 
795     /**
796     * if 1,indicates that the cropped decoded pictures output
797     * are suitable for display using overscan
798     */
799     UWORD8 u1_overscan_appropriate_flag;
800 
801     /**
802     * if 1 specifies that video_format, video_full_range_flag and
803     * colour_description_present_flag are present
804     */
805     UWORD8 u1_video_signal_type_present_flag;
806 
807     /**
808     *
809     */
810     UWORD8 u1_video_format;
811 
812     /**
813     * indicates the black level and range of the luma and chroma signals
814     */
815     UWORD8 u1_video_full_range_flag;
816 
817     /**
818     * if 1,to 1 specifies that colour_primaries, transfer_characteristics
819     * and matrix_coefficients are present
820     */
821     UWORD8 u1_colour_description_present_flag;
822 
823     /**
824     * indicates the chromaticity coordinates of the source primaries
825     */
826     UWORD8 u1_colour_primaries;
827 
828     /**
829     * indicates the opto-electronic transfer characteristic of the source picture
830     */
831     UWORD8 u1_transfer_characteristics;
832 
833     /**
834     * the matrix coefficients used in deriving luma and chroma signals
835     * from the green, blue, and red primaries
836     */
837     UWORD8 u1_matrix_coefficients;
838 
839     /**
840     * if 1, specifies that chroma_sample_loc_type_top_field and
841     * chroma_sample_loc_type_bottom_field are present
842     */
843     UWORD8 u1_chroma_loc_info_present_flag;
844 
845     /**
846     * location of chroma samples
847     */
848     UWORD8 u1_chroma_sample_loc_type_top_field;
849 
850     UWORD8 u1_chroma_sample_loc_type_bottom_field;
851 
852     /**
853     *  to 1 specifies that the syntax structure hrd_parameters is present in the vui_parameters syntax structue
854     */
855     UWORD8 u1_vui_hrd_parameters_present_flag;
856 
857     /**
858     *  VUI level HRD parameters
859     */
860     //hrd_params_t s_vui_hrd_parameters;
861 
862     /**
863     *   HRD parameter Indicates the presence of the
864     *   num_units_in_ticks, time_scale flag
865     */
866     UWORD8 u1_timing_info_present_flag;
867 
868     /**
869     * Nal- hrd parameters flag
870     */
871     UWORD8 u1_nal_hrd_parameters_present_flag;
872 
873 } ihevce_vui_sei_params_t;
874 
875 /**
876  *  @brief  Multi thread related parameters passed to the encoder during create
877  */
878 
879 typedef struct
880 {
881     /** Kept for maintaining backwards compatibility in future */
882     WORD32 i4_size;
883 
884     /** Total number of logical cores, which are assigned to be used by the encoder
885      */
886     WORD32 i4_max_num_cores;
887 
888     /** Total number of groups in the machine on which encoder is run.
889      */
890     WORD32 i4_num_proc_groups;
891 
892     /** Total number of logical cores present per processor group of the machine.
893      */
894     WORD32 ai4_num_cores_per_grp[MAX_NUMBER_PROC_GRPS];
895 
896     /** Flag to enableUse thread affintiy feature
897      * 0: Thread affinity disabled
898      * 1: Thread affinity enabled
899      */
900     WORD32 i4_use_thrd_affinity;
901 
902     /**
903      * Memory allocation control flag: Reserved (to be used later)
904      */
905     WORD32 i4_memory_alloc_ctrl_flag;
906 
907     /**
908      * Array of thread affinity masks for frame processing threads
909      * PRE Enc Group
910      */
911     ULWORD64 au8_core_aff_mask[MAX_NUM_CORES];
912 
913 } ihevce_static_multi_thread_params_t;
914 
915 /**
916  *  @brief  File IO APIs
917  */
918 typedef struct
919 {
920     FILE *(*ihevce_fopen)(void *pv_cb_handle, const char *pi1_filename, const char *pi1_mode);
921 
922     int (*ihevce_fclose)(void *pv_cb_handle, FILE *pf_stream);
923 
924     int (*ihevce_fflush)(void *pv_cb_handle, FILE *pf_stream);
925 
926     int (*ihevce_fseek)(void *pv_cb_handle, FILE *pf_stream, long i4_offset, int i4_origin);
927 
928     size_t (*ihevce_fread)(
929         void *pv_cb_handle, void *pv_ptr, size_t u4_size, size_t u4_count, FILE *pf_stream);
930 
931     int (*ihevce_fscanf)(
932         void *pv_cb_handle,
933         IHEVCE_DATA_TYPE e_data_type,
934         FILE *file_ptr,
935         const char *format,
936         void *pv_dst);
937 
938     int (*ihevce_fprintf)(void *pv_cb_handle, FILE *pf_stream, const char *pi1_format, ...);
939 
940     size_t (*ihevce_fwrite)(
941         void *pv_cb_handle, const void *pv_ptr, size_t i4_size, size_t i4_count, FILE *pf_stream);
942 
943     char *(*ihevce_fgets)(void *pv_cb_handle, char *pi1_str, int i4_size, FILE *pf_stream);
944 
945 } ihevce_file_io_api_t;
946 
947 /**
948  *  @brief  System APIs to implement call back functions in encoder
949  */
950 typedef struct
951 {
952     /*Call back handle for all system api*/
953     void *pv_cb_handle;
954 
955     /* Console APIs */
956     int (*ihevce_printf)(void *pv_cb_handle, const char *i1_str, ...);
957 
958     //int   (*ihevce_scanf)    (void *pv_handle, const char *i1_str, ...);
959 
960     int (*ihevce_sscanf)(void *pv_cb_handle, const char *pv_src, const char *format, int *p_dst_int);
961 
962     int (*ihevce_sprintf)(void *pv_cb_handle, char *pi1_str, const char *format, ...);
963 
964     int (*ihevce_sprintf_s)(
965         void *pv_cb_handle, char *pi1_str, size_t i4_size, const char *format, ...);
966 
967     /* File I/O APIs */
968     ihevce_file_io_api_t s_file_io_api;
969 
970 } ihevce_sys_api_t;
971 
972 /**
973  *  @brief    Structure to describe multipass related params
974  */
975 typedef struct
976 {
977     /** Kept for maintaining backwards compatibility in future */
978     WORD32 i4_size;
979 
980     /* 0:Normal mode 1: only dumps stat 2: 2nd pass reads from stat file and rewrites the same file*/
981     WORD32 i4_pass;
982 
983     /* Flag to specify the algorithm used for bit-distribution
984     in second pass */
985     WORD32 i4_multi_pass_algo_mode;
986 
987     /* Stat file to read or write data of frame statistics */
988     WORD8 *pi1_frame_stats_filename;
989 
990     /* stat file to read or write data of gop level statstics*/
991     WORD8 *pi1_gop_stats_filename;
992 
993     /* Stat file to read or write CTB level data*/
994     WORD8 *pi1_sub_frames_stats_filename;
995 
996 } ihevce_pass_prms_t;
997 
998 /**
999  *  @brief    Structure to describe tile params
1000  */
1001 typedef struct
1002 {
1003     /** Kept for maintaining backwards compatibility in future */
1004     WORD32 i4_size;
1005 
1006     /* flag to indicate tile encoding enabled/disabled */
1007     WORD32 i4_tiles_enabled_flag;
1008 
1009     /* flag to indicate unifrom spacing of tiles */
1010     WORD32 i4_uniform_spacing_flag;
1011 
1012     /* num syntactical tiles in a frame */
1013     WORD32 i4_num_tile_cols;
1014     WORD32 i4_num_tile_rows;
1015 
1016     /* Column width array to store width of each tile column */
1017     WORD32 ai4_column_width[MAX_TILE_COLUMNS];
1018 
1019     /* Row height array to store height of each tile row */
1020     WORD32 ai4_row_height[MAX_TILE_ROWS];
1021 
1022 } ihevce_app_tile_params_t;
1023 
1024 /**
1025  *  @brief    Structure to describe slice params
1026  */
1027 typedef struct
1028 {
1029     /** Kept for maintaining backwards compatibility in future */
1030     WORD32 i4_size;
1031 
1032     /** Flag to control dependent slices.
1033     0: Disable all slice segment limits
1034     1: Enforce max number of CTBs
1035     2: Enforce max number of bytes **/
1036     WORD32 i4_slice_segment_mode;
1037 
1038     /** Depending on i4_slice_segment_mode being:
1039     1: max number of CTBs per slice segment
1040     2: max number of bytes per slice segment **/
1041     WORD32 i4_slice_segment_argument;
1042 
1043 } ihevce_slice_params_t;
1044 
1045 /**
1046  *  @brief  Static configuration parameters of Encoder
1047  */
1048 typedef struct
1049 {
1050     /** Kept for maintaining backwards compatibility in future */
1051     WORD32 i4_size;
1052 
1053     /** Structure describing the input parameters - Applciatiopn should populate
1054      * maximum values in this structure . Run time values
1055      * should always be lessthan create time values
1056      */
1057     ihevce_src_params_t s_src_prms;
1058 
1059     /** Parmeters for target use-case */
1060     ihevce_tgt_layer_params_t s_tgt_lyr_prms;
1061 
1062     /** Output stream parameters */
1063     ihevce_out_strm_params_t s_out_strm_prms;
1064 
1065     /** Coding parameters for the encoder */
1066     ihevce_coding_params_t s_coding_tools_prms;
1067 
1068     /** Configurable parameters for Encoder */
1069     ihevce_config_prms_t s_config_prms;
1070 
1071     /** VUI SEI app parameters*/
1072     ihevce_vui_sei_params_t s_vui_sei_prms;
1073 
1074     /** Multi threads specific pamrameters */
1075     ihevce_static_multi_thread_params_t s_multi_thrd_prms;
1076 
1077     /** Look-ahead processor related parameters */
1078     ihevce_lap_params_t s_lap_prms;
1079 
1080     /** Save Recon flag */
1081     WORD32 i4_save_recon;
1082 
1083     /** Compute PSNR Flag */
1084     /*  0: No logs
1085         1: (Frame level:Bits generation + POC) + (summary level: BitRate)
1086         2: (Frame level:Bits generation + POC + Qp + Pic-type) + (summary level: BitRate + PSNR)
1087     */
1088     WORD32 i4_log_dump_level;
1089 
1090     WORD32 i4_enable_csv_dump;
1091 
1092     FILE *apF_csv_file[IHEVCE_MAX_NUM_RESOLUTIONS][IHEVCE_MAX_NUM_BITRATES];
1093 
1094     /** Enable Logo for Eval versions */
1095     WORD32 i4_enable_logo;
1096 
1097     /* API structure for exporting console and file I/O operation */
1098     ihevce_sys_api_t s_sys_api;
1099 
1100     /* Structure to describe multipass related params */
1101     ihevce_pass_prms_t s_pass_prms;
1102 
1103     /* Structure to describe tile params */
1104     ihevce_app_tile_params_t s_app_tile_params;
1105 
1106     /** Structure to describe slice segment params */
1107     ihevce_slice_params_t s_slice_params;
1108 
1109     /** Resolution ID of the current encoder context **/
1110     WORD32 i4_res_id;
1111 
1112     /** Bitrate ID of the current encoder context **/
1113     WORD32 i4_br_id;
1114 
1115     /* Architecture type */
1116     IV_ARCH_T e_arch_type;
1117 
1118     /* Control to free the entropy output buffers   */
1119     /* 1  for non_blocking mode */
1120     /* and 0 for blocking mode */
1121     WORD32 i4_outbuf_buf_free_control;
1122 
1123 } ihevce_static_cfg_params_t;
1124 
1125 /**
1126  *  @brief  Input structure in which input data and
1127  *          other parameters are sent to Encoder
1128  */
1129 typedef struct
1130 {
1131     /** Kept for maintaining backwards compatibility in future */
1132     WORD32 i4_size;
1133 
1134     /** Buffer id for the current buffer */
1135     WORD32 i4_buf_id;
1136 
1137     /** is bottom field  0 = top field,  1 = bottom field  */
1138     WORD32 i4_bottom_field;
1139 
1140     /** top field first input in case of interlaced case */
1141     WORD32 i4_topfield_first;
1142 
1143     /** input time stamp in terms of ticks: lower 32  */
1144     WORD32 i4_inp_timestamp_low;
1145 
1146     /** input time stamp in terms of ticks: higher 32 */
1147     WORD32 i4_inp_timestamp_high;
1148 
1149     /**  colour format of input,
1150      * should be same as create time value
1151      */
1152     WORD32 u1_colour_format;
1153 
1154     /**
1155      * Input frame buffer valid flag
1156      * 1 : valid data is present in the s_input_buf
1157      * 0 : Only command buffer is valid input buffer is a non valid input (dumy input)
1158      */
1159     WORD32 i4_inp_frm_data_valid_flag;
1160 
1161     /** Synchronous control commands buffer
1162      * this will an Tag Length Value (TLV) buffer.
1163      * All commands must be terminated with a tag
1164      * Tag should be set to IHEVCE_SYNCH_API_END_TAG
1165      */
1166     void *pv_synch_ctrl_bufs;
1167 
1168     /**
1169      * Synchronous control commands buffer
1170      * size in number of bytes
1171      */
1172     WORD32 i4_cmd_buf_size;
1173 
1174     /** for system use if run time buffer allocation is used*/
1175     void *pv_metadata;
1176 
1177     /** for system to pass frame context from Input to Output
1178        Same pointer will be returned on the output buffer of this frame */
1179     void *pv_app_frm_ctxt;
1180 
1181     /** Input YUV buffers pointers and related parameters
1182      *   are set in this structure
1183      */
1184     iv_yuv_buf_t s_input_buf;
1185 
1186 } iv_input_data_ctrl_buffs_t;
1187 
1188 /**
1189  *  @brief  Input structure in which input async control
1190  *          commands are sent to Encoder
1191  */
1192 typedef struct
1193 {
1194     /** Kept for maintaining backwards compatibility in future */
1195     WORD32 i4_size;
1196 
1197     /** Buffer id for the current buffer */
1198     WORD32 i4_buf_id;
1199 
1200     /** Asynchronous control commands buffer
1201      * this will an Tag Length Value (TLV) buffer.
1202      * The buffer must be ended with a IHEVCE_ASYNCH_API_END_TAG
1203      */
1204     void *pv_asynch_ctrl_bufs;
1205 
1206     /**
1207     * Asynchronous control commands buffer
1208     * size in number of bytes
1209     */
1210     WORD32 i4_cmd_buf_size;
1211 
1212 } iv_input_ctrl_buffs_t;
1213 
1214 /**
1215  *  @brief  Ouput structure in which ouput data
1216  *          and related parameters are sent from Encoder
1217  */
1218 typedef struct
1219 {
1220     /** Kept for maintaining backwards compatibility in future */
1221     WORD32 i4_size;
1222 
1223     /** Buffer id for the current buffer */
1224     WORD32 i4_buf_id;
1225 
1226     /** processing status of the current output returned */
1227     WORD32 i4_process_ret_sts;
1228 
1229     /** if error encountered the  error code */
1230     WORD32 i4_process_error_code;
1231 
1232     /** picture type of the current encoded output */
1233     IV_PICTURE_CODING_TYPE_T i4_encoded_frame_type;
1234 
1235     /** output time stamp of curr encoded buffer : lower 32  */
1236     WORD32 i4_out_timestamp_low;
1237 
1238     /** output time stamp of curr encoded buffer : higher 32  */
1239     WORD32 i4_out_timestamp_high;
1240 
1241     /** skip status of the current encoded output */
1242     WORD32 i4_frame_skipped;
1243 
1244     /** bytes generated in the output buffer */
1245     WORD32 i4_bytes_generated;
1246 
1247     /** End flag to communicate this is last frame output from encoder */
1248     WORD32 i4_end_flag;
1249 
1250     /** End flag to communicate encoder that this is the last buffer from application
1251         1 - Last buf, 0 - Not last buffer. No other values are supported.
1252         Application has to set the appropriate value before queing in encoder queue */
1253     WORD32 i4_is_last_buf;
1254 
1255     /** DBF level after the dynamic bitrate change
1256         -1 - Value not set by codec
1257         Encoder sets to positive value when bitrate change control call is done*/
1258     LWORD64 i8_cur_vbv_level;
1259 
1260     /** Output buffer pointer */
1261     void *pv_bitstream_bufs;
1262 
1263     /** Output buffer size */
1264     WORD32 i4_bitstream_buf_size;
1265 
1266     /** Can be used for tracking purpose if run time buffer allocation is used*/
1267     void *pv_metadata;
1268 
1269     /** for system to retrive frame context from Input to Output */
1270     void *pv_app_frm_ctxt;
1271 
1272     /** Can be used for tracking the buffer that is sent back during callback */
1273     WORD32 i4_cb_buf_id;
1274 
1275     /** Number of Prefix Non-VCL NAL units in the output buffer */
1276     WORD32 i4_num_non_vcl_prefix_nals;
1277 
1278     /** Number of Suffix Non-VCL NAL units in the output buffer */
1279     WORD32 i4_num_non_vcl_suffix_nals;
1280 
1281     /** Number of VCL NAL units in the output buffer */
1282     WORD32 i4_num_vcl_nals;
1283 
1284     /************************************************************************/
1285     /* Size of each NAL based on type: Non-VCL Prefix/ VCL / Non-VCL Suffix */
1286     /*                                                                      */
1287     /* Ordering of NALS in output buffer is as follows:                     */
1288     /* Non-VCL Prefix NALs ->  VCL NALs -> Non-VCL Suffix NALs              */
1289     /*                                                                      */
1290     /* As there are no holes between adjacent NALs, these sizes can be used */
1291     /* to compute the offsets w.r.t start of the output buffer              */
1292     /************************************************************************/
1293 
1294     /** Array to the store the size in bytes of Prefix Non-VCL NAL units */
1295     WORD32 ai4_size_non_vcl_prefix_nals[MAX_NUM_PREFIX_NALS_PER_AU];
1296 
1297     /* Array to the store the size in bytes of Suffix Non-VCL NAL units */
1298     WORD32 ai4_size_non_vcl_suffix_nals[MAX_NUM_SUFFIX_NALS_PER_AU];
1299 
1300     /** Array to the store the size in bytes of VCL NAL units */
1301     WORD32 ai4_size_vcl_nals[MAX_NUM_VCL_NALS_PER_AU];
1302 
1303 } iv_output_data_buffs_t;
1304 
1305 /**
1306  *  @brief  Output structure in which output async control
1307  *          acknowledgement are sent from Encoder
1308  */
1309 typedef struct
1310 {
1311     /** Kept for maintaining backwards compatibility in future */
1312     WORD32 i4_size;
1313 
1314     /** Buffer id for the current buffer */
1315     WORD32 i4_buf_id;
1316 
1317     /** Asynchronous control commands ack buffer
1318      * this will an Tag Length Value (TLV) buffer.
1319      */
1320     void *pv_status_bufs;
1321 
1322 } iv_output_status_buffs_t;
1323 
1324 /**
1325  *  @brief  structure in which recon data
1326  *          and related parameters are sent from Encoder
1327  */
1328 typedef struct
1329 {
1330     /** Kept for maintaining backwards compatibility in future */
1331     WORD32 i4_size;
1332 
1333     /** Buffer id for the current buffer */
1334     WORD32 i4_buf_id;
1335 
1336     /** POC of the current buffer */
1337     WORD32 i4_poc;
1338 
1339     /** End flag to communicate this is last frame output from encoder */
1340     WORD32 i4_end_flag;
1341 
1342     /** End flag to communicate encoder that this is the last buffer from application
1343         1 - Last buf, 0 - Not last buffer. No other values are supported.
1344         Application has to set the appropriate value before queing in encoder queue */
1345     WORD32 i4_is_last_buf;
1346 
1347     /** Recon luma buffer pointer */
1348     void *pv_y_buf;
1349 
1350     /** Recon cb buffer pointer */
1351     void *pv_cb_buf;
1352 
1353     /** Recon cr buffer pointer */
1354     void *pv_cr_buf;
1355 
1356     /** Luma size **/
1357     WORD32 i4_y_pixels;
1358 
1359     /** Chroma size **/
1360     WORD32 i4_uv_pixels;
1361 
1362 } iv_recon_data_buffs_t;
1363 
1364 /* @brief iv_res_layer_output_bufs_req_t: This structure contains the parameters
1365  * related to output (data and control) buffer requirements of the codec for all
1366  * target resolution layers
1367  * Application can call the memory query API to get these requirements
1368  */
1369 
1370 typedef struct
1371 {
1372     /** i4_size of the structure : used for verison tracking */
1373     WORD32 i4_size;
1374 
1375     /*Memory requirements for each of target resolutions*/
1376     iv_output_bufs_req_t s_output_buf_req[IHEVCE_MAX_NUM_RESOLUTIONS][IHEVCE_MAX_NUM_BITRATES];
1377 
1378 } iv_res_layer_output_bufs_req_t;
1379 
1380 /* @brief iv_res_layer_recon_bufs_req_t: This structure contains the parameters
1381  * related to recon buffer requirements of the codec for all target resolution layers
1382  * Application can call the memory query API to get these requirements
1383  */
1384 
1385 typedef struct
1386 {
1387     /** i4_size of the structure : used for verison tracking */
1388     WORD32 i4_size;
1389 
1390     /*Memory requirements for each of target resolutions*/
1391     iv_recon_bufs_req_t s_recon_buf_req[IHEVCE_MAX_NUM_RESOLUTIONS][IHEVCE_MAX_NUM_BITRATES];
1392 } iv_res_layer_recon_bufs_req_t;
1393 
1394 /* @brief iv_res_layer_output_data_buffs_desc_t: This structure contains
1395  * the parameters related to output data buffers for all target resolution layers
1396  */
1397 
1398 typedef struct
1399 {
1400     /** i4_size of the structure : used for verison tracking */
1401     WORD32 i4_size;
1402 
1403     /*Output buffer requirements of each taregt resolution layer*/
1404     iv_output_data_buffs_desc_t s_output_data_buffs[IHEVCE_MAX_NUM_RESOLUTIONS]
1405                                                    [IHEVCE_MAX_NUM_BITRATES];
1406 
1407 } iv_res_layer_output_data_buffs_desc_t;
1408 
1409 /* @brief iv_res_layer_output_status_buffs_desc_t: This structure contains
1410  * the parameters related to recon data buffers for all target resolution layers
1411  */
1412 
1413 typedef struct
1414 {
1415     /** i4_size of the structure : used for verison tracking */
1416     WORD32 i4_size;
1417 
1418     /*Output buffer requirements of each taregt resolution layer*/
1419     iv_recon_data_buffs_desc_t s_recon_data_buffs[IHEVCE_MAX_NUM_RESOLUTIONS]
1420                                                  [IHEVCE_MAX_NUM_BITRATES];
1421 
1422 } iv_res_layer_recon_data_buffs_desc_t;
1423 
1424 #endif  // _IHEVCE_API_H_
1425