Home | History | Annotate | Download | only in encoder
      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 ******************************************************************************
     23 * @file
     24 *  ihevce_lap_structs.h
     25 *
     26 * @brief
     27 *  This file contains structure definitions related to look-ahead processing
     28 *
     29 * @author
     30 *  ittiam
     31 *
     32 ******************************************************************************
     33 */
     34 
     35 #ifndef _IHEVCE_LAP_STRUCTS_H_
     36 #define _IHEVCE_LAP_STRUCTS_H_
     37 
     38 /*****************************************************************************/
     39 /* Constant Macros                                                           */
     40 /*****************************************************************************/
     41 #define EVAL_VERSION 0
     42 #define EVAL_MODE_FORCE_LOGO 0
     43 #define MAX_FRAMES_EVAL_VERSION 50000
     44 #define LAP_DEBUG_PRINT 0
     45 #define FORCE_IDR_TEST 1
     46 #define MAX_NUM_ENC_NODES 8
     47 #define MAX_QUEUE_LENGTH (MAX_LAP_WINDOW_SIZE + MAX_SUB_GOP_SIZE + 2)
     48 
     49 /*****************************************************************************/
     50 /* Enums                                                                     */
     51 /*****************************************************************************/
     52 typedef enum
     53 {
     54     LAP_CTXT = 0,
     55     LAP_NODE_MEM,
     56     NUM_LAP_MEM_RECS,
     57 } LAP_MEM_T;
     58 
     59 /*****************************************************************************/
     60 /* Structures                                                                */
     61 /*****************************************************************************/
     62 
     63 /* Picture types */
     64 typedef enum PIC_TYPE_E
     65 {
     66     PIC_TYPE_NA = -1, /* Invalid frame type*/
     67     PIC_TYPE_I, /* I frame */
     68     PIC_TYPE_P, /* P frame */
     69     PIC_TYPE_B, /* B frame */
     70     PIC_TYPE_IDR, /* IDR frame */
     71     PIC_TYPE_CRA, /* CRA frame */
     72     MAX_NUM_PIC_TYPES
     73 } PIC_TYPE_E;
     74 
     75 typedef struct ihevce_encode_node_t
     76 {
     77     WORD32 data;
     78     void *pv_left_node;
     79     void *pv_right_node;
     80     WORD32 i4_hierachical_layer;
     81     WORD32 i4_interlace_field;
     82     ihevce_lap_enc_buf_t *ps_lap_top_buff;
     83     ihevce_lap_enc_buf_t *ps_lap_bottom_buff;
     84 
     85 } ihevce_encode_node_t;
     86 
     87 /**
     88 ******************************************************************************
     89  *  @brief  lap context
     90 ******************************************************************************
     91  */
     92 typedef struct
     93 {
     94     // cfg params
     95     ihevce_static_cfg_params_t s_static_cfg_params;
     96     ihevce_lap_static_params_t s_lap_static_params;
     97 
     98     //pic reorder info
     99     ihevce_lap_enc_buf_t *aps_lap_inp_buf[MAX_QUEUE_LENGTH];
    100 
    101     ihevce_encode_node_t *aps_encode_node[1];
    102 
    103     /** Array of nodes in encode order*/
    104     ihevce_lap_enc_buf_t *api4_encode_order_array[MAX_NUM_ENC_NODES];
    105 
    106     /** Array of nodes in capture order*/
    107     ihevce_lap_enc_buf_t *api4_capture_order_array[MAX_NUM_ENC_NODES];
    108 
    109     /**Array of POCS in encode order*/
    110     WORD32 ai4_encode_order_poc[MAX_NUM_ENC_NODES];
    111 
    112     /**Array of POCS in capture order*/
    113     WORD32 ai4_capture_order_poc[MAX_NUM_ENC_NODES];
    114 
    115     /** Pointer to POC in encode order*/
    116     WORD32 *pi4_encode_poc_ptr;
    117 
    118     /** Pointer to POC in capture order*/
    119     WORD32 *pi4_capture_poc_ptr;
    120 
    121     WORD32 ai4_pic_type_to_be_removed[NUM_LAP2_LOOK_AHEAD];
    122 
    123     void *pv_prev_inp_buf;
    124 
    125     WORD32 i4_buf_enq_idx;
    126     WORD32 i4_buf_deq_idx;
    127     WORD32 i4_lap_out_idx;
    128     WORD32 i4_capture_idx;
    129     WORD32 i4_idr_flag;
    130     WORD32 i4_num_bufs_encode_order;
    131     WORD32 i4_deq_idx;
    132     WORD32 i4_enq_idx;
    133     // poc info
    134     WORD32 ref_poc_array[MAX_REF_PICS];
    135     WORD8 ai1_pic_type[10];
    136     WORD32 i4_curr_poc;
    137     WORD32 i4_cra_poc;
    138     WORD32 i4_assoc_IRAP_poc;
    139     // counters
    140     WORD32 i4_max_idr_period;
    141     WORD32 i4_min_idr_period;
    142     WORD32 i4_max_cra_period;
    143     WORD32 i4_max_i_period;
    144     WORD32 i4_idr_counter;
    145     WORD32 i4_cra_counter;
    146     WORD32 i4_i_counter;
    147     WORD32 i4_idr_gop_num;
    148     WORD32 i4_curr_ref_pics;
    149     WORD32 i4_display_num;
    150     WORD32 i4_num_frames_after_force_idr;
    151     WORD32 i4_num_frm_type_decided;
    152     WORD32 i4_frm_gop_idx;
    153     WORD32 i4_is_all_i_pic_in_seq;
    154     WORD32 i4_next_start_ctr;
    155     WORD32 i4_fixed_open_gop_period;
    156     WORD32 i4_fixed_i_period;
    157     // misc
    158     WORD32 i4_enable_logo;
    159     WORD32 i4_cra_i_pic_flag;
    160     WORD32 i4_force_end_flag;
    161     WORD32 i4_sub_gop_size;
    162     WORD32 i4_sub_gop_size_idr;
    163     WORD32 i4_dyn_sub_gop_size;
    164     WORD32 end_flag;
    165     WORD32 i4_immediate_idr_case;
    166     WORD32 i4_max_buf_in_enc_order;
    167     WORD32 i4_end_flag_pic_idx;
    168     WORD32 i4_lap2_counter;
    169     WORD32 i4_rc_lap_period;
    170     WORD32 i4_gop_period;
    171     WORD32 i4_no_back_to_back_i_avoidance;
    172 } lap_struct_t;
    173 
    174 void ihevce_populate_tree_nodes(
    175     ihevce_encode_node_t *encode_parent_node_t,
    176     ihevce_encode_node_t *encode_node_t,
    177     WORD32 *loop_count,
    178     WORD32 layer,
    179     WORD32 hier_layer);
    180 
    181 #endif /* _IHEVCE_LAP_STRUCTS_H_ */
    182