Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 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 | |
| 21 | /** |
| 22 | ******************************************************************************* |
| 23 | * @file |
| 24 | * ih264_dpb_mgr.h |
| 25 | * |
| 26 | * @brief |
| 27 | * Function declarations used for decoded picture buffer management |
| 28 | * |
| 29 | * @author |
| 30 | * Srinivas T |
| 31 | * |
| 32 | * |
| 33 | * @remarks |
| 34 | * None |
| 35 | * |
| 36 | ******************************************************************************* |
| 37 | */ |
| 38 | #ifndef _IH264_DPB_MGR_H_ |
| 39 | #define _IH264_DPB_MGR_H_ |
| 40 | |
| 41 | /* Temporary definitions. Have to be defined later */ |
| 42 | |
| 43 | #define MAX_DPB_BUFS (MAX_DPB_SIZE * 4) |
| 44 | |
| 45 | #define MARK_ST_PICNUM_AS_NONREF 1 |
| 46 | #define MARK_LT_INDEX_AS_NONREF 2 |
| 47 | #define MARK_ST_PICNUM_AS_LT_INDEX 3 |
| 48 | #define RESET_REF_PICTURES 5 |
| 49 | |
| 50 | typedef struct dpb_info_t dpb_info_t; |
| 51 | |
| 52 | enum |
| 53 | { |
| 54 | INVALID = -1, |
| 55 | UNUSED_FOR_REF = 0 , |
| 56 | LONG_TERM_REF , |
| 57 | SHORT_TERM_REF , |
| 58 | }; |
| 59 | struct dpb_info_t |
| 60 | { |
| 61 | /** |
| 62 | * Pointer to picture buffer structure |
| 63 | */ |
| 64 | pic_buf_t *ps_pic_buf; |
| 65 | |
| 66 | /** |
| 67 | * Link to the DPB buffer with previous link |
| 68 | */ |
| 69 | dpb_info_t *ps_prev_dpb; |
| 70 | |
| 71 | }; |
| 72 | |
| 73 | typedef struct |
| 74 | { |
| 75 | /** |
| 76 | * Pointer to the most recent pic Num |
| 77 | */ |
| 78 | dpb_info_t *ps_dpb_short_term_head; |
| 79 | |
| 80 | /** |
| 81 | * Pointer to the most recent pic Num |
| 82 | */ |
| 83 | dpb_info_t *ps_dpb_long_term_head; |
| 84 | |
| 85 | /** |
| 86 | * Physical storage for dpbInfo for ref bufs |
| 87 | */ |
| 88 | dpb_info_t as_dpb_info[MAX_DPB_BUFS]; |
| 89 | |
| 90 | /** |
| 91 | * Array of structures for bottom field. |
| 92 | */ |
| 93 | pic_buf_t as_top_field_pics[MAX_DPB_BUFS]; |
| 94 | |
| 95 | /** |
| 96 | * Array of structures for bottom field. |
| 97 | */ |
| 98 | pic_buf_t as_bottom_field_pics[MAX_DPB_BUFS]; |
| 99 | |
| 100 | /** |
| 101 | * Number of short-term reference buffers |
| 102 | */ |
| 103 | UWORD8 u1_num_short_term_ref_bufs; |
| 104 | |
| 105 | /** |
| 106 | * Number of long-term reference buffers |
| 107 | */ |
| 108 | UWORD8 u1_num_long_term_ref_bufs; |
| 109 | |
| 110 | /** |
| 111 | * buffer ID current frame |
| 112 | */ |
| 113 | WORD32 i4_cur_frame_buf_id; |
| 114 | |
| 115 | } dpb_mgr_t; |
| 116 | |
| 117 | void ih264_dpb_mgr_init(dpb_mgr_t *ps_dpb_mgr); |
| 118 | |
| 119 | WORD32 ih264_dpb_mgr_insert_ref_frame(dpb_mgr_t *ps_dpb_mgr, |
| 120 | pic_buf_t *ps_pic_buf, |
| 121 | WORD32 reference_type, |
| 122 | UWORD32 frame_num, |
| 123 | WORD32 long_term_frame_idx); |
| 124 | |
| 125 | WORD32 ih264_dpb_mgr_delete_ref_frame(dpb_mgr_t *ps_dpb_mgr, |
| 126 | WORD32 reference_type); |
| 127 | |
| 128 | WORD32 ih264_dpb_mgr_delete_all_ref_frames(dpb_mgr_t *ps_dpb_mgr); |
| 129 | |
| 130 | WORD32 ih264_dpb_mgr_count_ref_frames(dpb_mgr_t *ps_dpb_mgr, |
| 131 | WORD32 curr_frame_num, |
| 132 | WORD32 max_frame_num); |
| 133 | |
| 134 | WORD32 ih264_dpb_mgr_delete_short_ref_frame(dpb_mgr_t *ps_dpb_mgr, |
| 135 | WORD32 curr_frame_num, |
| 136 | WORD32 max_frame_num); |
| 137 | |
| 138 | WORD32 ih264_dpb_mgr_insert_ref_field(dpb_mgr_t *ps_dpb_mgr, |
| 139 | pic_buf_t *ps_pic_buf, |
| 140 | WORD32 reference_type, |
| 141 | UWORD32 frame_num, |
| 142 | WORD32 long_term_frame_idx); |
| 143 | |
| 144 | WORD32 ih264_dpb_mgr_delete_ref_field(dpb_mgr_t *ps_dpb_mgr, |
| 145 | WORD32 reference_type); |
| 146 | |
| 147 | WORD32 ih264_dpb_mgr_alternate_ref_fields(dpb_mgr_t *ps_dpb_mgr, |
| 148 | WORD32 reference_type, |
| 149 | WORD32 first_field_type); |
| 150 | |
| 151 | WORD32 ih264_dpb_mgr_sort_short_term_fields_by_frame_num(dpb_mgr_t *ps_dpb_mgr, |
| 152 | WORD32 curr_frame_num, |
| 153 | WORD32 first_field_type, |
| 154 | WORD32 max_frame_num); |
| 155 | |
| 156 | WORD32 ih264_dpb_mgr_sort_short_term_fields_by_poc_l0(dpb_mgr_t *ps_dpb_mgr, |
| 157 | WORD32 curr_poc, |
| 158 | WORD32 first_field_type); |
| 159 | |
| 160 | WORD32 ih264_dpb_mgr_sort_short_term_fields_by_poc_l1(dpb_mgr_t *ps_dpb_mgr, |
| 161 | WORD32 curr_poc, |
| 162 | WORD32 first_field_type); |
| 163 | |
| 164 | WORD32 ih264_dpb_mgr_sort_long_term_fields_by_frame_idx(dpb_mgr_t *ps_dpb_mgr, |
| 165 | WORD32 first_field_type); |
| 166 | |
| 167 | WORD32 ih264_dpb_mgr_delete_long_ref_fields_max_frame_idx(dpb_mgr_t *ps_dpb_mgr, |
| 168 | WORD32 max_frame_idx); |
| 169 | |
| 170 | void ih264_dpb_mgr_del_ref(dpb_mgr_t *ps_dpb_mgr, |
| 171 | buf_mgr_t *ps_buf_mgr, |
| 172 | WORD32 u4_abs_poc); |
| 173 | |
| 174 | pic_buf_t *ih264_dpb_mgr_get_ref_by_nearest_poc(dpb_mgr_t *ps_dpb_mgr, |
| 175 | WORD32 cur_abs_poc); |
| 176 | |
| 177 | pic_buf_t *ih264_dpb_mgr_get_ref_by_poc(dpb_mgr_t *ps_dpb_mgr, WORD32 abs_poc); |
| 178 | |
| 179 | pic_buf_t *ih264_dpb_mgr_get_ref_by_poc_lsb(dpb_mgr_t *ps_dpb_mgr, |
| 180 | WORD32 poc_lsb); |
| 181 | |
| 182 | void ih264_dpb_mgr_reset(dpb_mgr_t *ps_dpb_mgr, buf_mgr_t *ps_buf_mgr); |
| 183 | |
| 184 | void ih264_dpb_mgr_release_pics(buf_mgr_t *ps_buf_mgr, UWORD8 u1_disp_bufs); |
| 185 | |
| 186 | #endif /* _IH264_DPB_MGR_H_ */ |