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1 /******************************************************************************
2  *
3  * Copyright (C) 2022 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 *******************************************************************************
23 * @file
24 *  isvce_nalu_stat_aggregator.h
25 *
26 * @brief
27 *  Contains objects used for aggregating nalu statistics
28 *
29 *******************************************************************************
30 */
31 
32 #ifndef _ISVCE_NALU_STAT_AGGREGATOR_H_
33 #define _ISVCE_NALU_STAT_AGGREGATOR_H_
34 
35 #include <stdbool.h>
36 
37 #include "ih264_typedefs.h"
38 #include "isvce.h"
39 #include "isvc_defs.h"
40 #include "isvce_defs.h"
41 
42 /* Macros */
43 /* +1 for '\0' */
44 #define MAX_BYTES_PER_NALU_INFO (45 + 1)
45 
46 /* SPS + (MAX_NUM_SPATIAL_LAYERS - 1) * SUBSET_SPS +
47  * MAX_NUM_SPATIAL_LAYERS * PPS + */
48 /* 1 PREFIX_NALU + 1 SLICE_[NON|]IDR + (MAX_NUM_SPATIAL_LAYERS - 1) *
49  * CODED_SLICE_EXTENSION */
50 #define MAX_NALU_PER_LAYER 10
51 
52 /* Structs */
53 typedef struct nalu_info_t
54 {
55     NAL_UNIT_TYPE_T e_nalu_type;
56 
57     WORD64 i8_num_bits;
58 
59     bool b_is_vcl_nal;
60 
61     bool b_is_idr;
62 
63     UWORD8 u1_spatial_layer_id;
64 
65     UWORD8 u1_temporal_layer_id;
66 
67     UWORD8 u1_num_slices;
68 } nalu_info_t;
69 
70 typedef struct nalu_descriptors_t
71 {
72     nalu_info_t as_nalu_info[MAX_NALU_PER_LAYER];
73 
74     UWORD8 u1_num_nalus;
75 
76 } nalu_descriptors_t;
77 
78 /* Function declarations */
isvce_get_nalu_info_buf_size(UWORD8 u1_num_spatial_layers)79 static FORCEINLINE UWORD32 isvce_get_nalu_info_buf_size(UWORD8 u1_num_spatial_layers)
80 {
81     return MAX_NALU_PER_LAYER * u1_num_spatial_layers * MAX_BYTES_PER_NALU_INFO;
82 }
83 
84 extern void isvce_nalu_info_au_init(nalu_descriptors_t *ps_nalu_descriptor,
85                                     UWORD8 u1_num_spatial_layers);
86 
87 extern void isvce_nalu_info_csv_translator(nalu_descriptors_t *ps_nalu_descriptor,
88                                            isvce_nalu_info_buf_t *ps_csv_buf);
89 
90 extern nalu_info_t *isvce_get_next_nalu_info_buf(nalu_descriptors_t *ps_nalu_descriptor);
91 
92 extern void isvce_nalu_info_buf_init(nalu_info_t *ps_nalu_info, WORD64 i8_init_bytes,
93                                      NAL_UNIT_TYPE_T e_nalu_type, UWORD8 u1_spatial_layer_id,
94                                      UWORD8 u1_temporal_layer_id, UWORD8 u1_num_slices,
95                                      bool b_is_idr);
96 
97 extern void isvce_update_nalu_count(nalu_descriptors_t *ps_nalu_descriptor);
98 
99 #endif
100