1*c83a76b0SSuyog Pawar /****************************************************************************** 2*c83a76b0SSuyog Pawar * 3*c83a76b0SSuyog Pawar * Copyright (C) 2012 Ittiam Systems Pvt Ltd, Bangalore 4*c83a76b0SSuyog Pawar * 5*c83a76b0SSuyog Pawar * Licensed under the Apache License, Version 2.0 (the "License"); 6*c83a76b0SSuyog Pawar * you may not use this file except in compliance with the License. 7*c83a76b0SSuyog Pawar * You may obtain a copy of the License at: 8*c83a76b0SSuyog Pawar * 9*c83a76b0SSuyog Pawar * http://www.apache.org/licenses/LICENSE-2.0 10*c83a76b0SSuyog Pawar * 11*c83a76b0SSuyog Pawar * Unless required by applicable law or agreed to in writing, software 12*c83a76b0SSuyog Pawar * distributed under the License is distributed on an "AS IS" BASIS, 13*c83a76b0SSuyog Pawar * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14*c83a76b0SSuyog Pawar * See the License for the specific language governing permissions and 15*c83a76b0SSuyog Pawar * limitations under the License. 16*c83a76b0SSuyog Pawar * 17*c83a76b0SSuyog Pawar ******************************************************************************/ 18*c83a76b0SSuyog Pawar 19*c83a76b0SSuyog Pawar /** 20*c83a76b0SSuyog Pawar ******************************************************************************* 21*c83a76b0SSuyog Pawar * @file 22*c83a76b0SSuyog Pawar * ihevc_dpb_mgr.h 23*c83a76b0SSuyog Pawar * 24*c83a76b0SSuyog Pawar * @brief 25*c83a76b0SSuyog Pawar * Function declarations used for decoded picture buffer management 26*c83a76b0SSuyog Pawar * 27*c83a76b0SSuyog Pawar * @author 28*c83a76b0SSuyog Pawar * Srinivas T 29*c83a76b0SSuyog Pawar * 30*c83a76b0SSuyog Pawar * 31*c83a76b0SSuyog Pawar * @remarks 32*c83a76b0SSuyog Pawar * None 33*c83a76b0SSuyog Pawar * 34*c83a76b0SSuyog Pawar ******************************************************************************* 35*c83a76b0SSuyog Pawar */ 36*c83a76b0SSuyog Pawar #ifndef _DPB_MANAGER_H 37*c83a76b0SSuyog Pawar #define _DPB_MANAGER_H 38*c83a76b0SSuyog Pawar 39*c83a76b0SSuyog Pawar /* Temporary definitions. Have to be defined later */ 40*c83a76b0SSuyog Pawar 41*c83a76b0SSuyog Pawar #define MAX_DPB_BUFS (MAX_DPB_SIZE * 4) 42*c83a76b0SSuyog Pawar 43*c83a76b0SSuyog Pawar #define MARK_ST_PICNUM_AS_NONREF 1 44*c83a76b0SSuyog Pawar #define MARK_LT_INDEX_AS_NONREF 2 45*c83a76b0SSuyog Pawar #define MARK_ST_PICNUM_AS_LT_INDEX 3 46*c83a76b0SSuyog Pawar #define RESET_REF_PICTURES 5 47*c83a76b0SSuyog Pawar 48*c83a76b0SSuyog Pawar typedef struct dpb_info_t dpb_info_t; 49*c83a76b0SSuyog Pawar 50*c83a76b0SSuyog Pawar enum 51*c83a76b0SSuyog Pawar { 52*c83a76b0SSuyog Pawar UNUSED_FOR_REF = 0, 53*c83a76b0SSuyog Pawar LONG_TERM_REF, 54*c83a76b0SSuyog Pawar SHORT_TERM_REF, 55*c83a76b0SSuyog Pawar }; 56*c83a76b0SSuyog Pawar struct dpb_info_t 57*c83a76b0SSuyog Pawar { 58*c83a76b0SSuyog Pawar /** 59*c83a76b0SSuyog Pawar * Pointer to picture buffer structure 60*c83a76b0SSuyog Pawar */ 61*c83a76b0SSuyog Pawar pic_buf_t *ps_pic_buf; 62*c83a76b0SSuyog Pawar 63*c83a76b0SSuyog Pawar /** 64*c83a76b0SSuyog Pawar * Link to the DPB buffer with previous pic Num 65*c83a76b0SSuyog Pawar */ 66*c83a76b0SSuyog Pawar dpb_info_t *ps_prev_dpb; 67*c83a76b0SSuyog Pawar 68*c83a76b0SSuyog Pawar }; 69*c83a76b0SSuyog Pawar 70*c83a76b0SSuyog Pawar typedef struct 71*c83a76b0SSuyog Pawar { 72*c83a76b0SSuyog Pawar /** 73*c83a76b0SSuyog Pawar * Pointer to the most recent pic Num 74*c83a76b0SSuyog Pawar */ 75*c83a76b0SSuyog Pawar dpb_info_t *ps_dpb_head; 76*c83a76b0SSuyog Pawar 77*c83a76b0SSuyog Pawar /** 78*c83a76b0SSuyog Pawar * Physical storage for dpbInfo for ref bufs 79*c83a76b0SSuyog Pawar */ 80*c83a76b0SSuyog Pawar dpb_info_t as_dpb_info[MAX_DPB_BUFS]; 81*c83a76b0SSuyog Pawar 82*c83a76b0SSuyog Pawar /** 83*c83a76b0SSuyog Pawar * Number of reference buffers 84*c83a76b0SSuyog Pawar */ 85*c83a76b0SSuyog Pawar UWORD8 u1_num_ref_bufs; 86*c83a76b0SSuyog Pawar 87*c83a76b0SSuyog Pawar }dpb_mgr_t; 88*c83a76b0SSuyog Pawar 89*c83a76b0SSuyog Pawar void ihevc_dpb_mgr_init(dpb_mgr_t *ps_dpb_mgr); 90*c83a76b0SSuyog Pawar 91*c83a76b0SSuyog Pawar WORD32 ihevc_dpb_mgr_insert_ref(dpb_mgr_t *ps_dpb_mgr, 92*c83a76b0SSuyog Pawar pic_buf_t *ps_pic_buf, 93*c83a76b0SSuyog Pawar WORD32 buf_id); 94*c83a76b0SSuyog Pawar 95*c83a76b0SSuyog Pawar void ihevc_dpb_mgr_del_ref(dpb_mgr_t *ps_dpb_mgr, 96*c83a76b0SSuyog Pawar buf_mgr_t *ps_buf_mgr, 97*c83a76b0SSuyog Pawar WORD32 u4_abs_poc); 98*c83a76b0SSuyog Pawar 99*c83a76b0SSuyog Pawar pic_buf_t* ihevc_dpb_mgr_get_ref_by_nearest_poc(dpb_mgr_t *ps_dpb_mgr, WORD32 cur_abs_poc); 100*c83a76b0SSuyog Pawar 101*c83a76b0SSuyog Pawar pic_buf_t* ihevc_dpb_mgr_get_ref_by_poc(dpb_mgr_t *ps_dpb_mgr, WORD32 abs_poc); 102*c83a76b0SSuyog Pawar 103*c83a76b0SSuyog Pawar pic_buf_t* ihevc_dpb_mgr_get_ref_by_poc_lsb(dpb_mgr_t *ps_dpb_mgr, WORD32 poc_lsb); 104*c83a76b0SSuyog Pawar 105*c83a76b0SSuyog Pawar void ihevc_dpb_mgr_reset(dpb_mgr_t *ps_dpb_mgr, buf_mgr_t *ps_buf_mgr); 106*c83a76b0SSuyog Pawar 107*c83a76b0SSuyog Pawar void ihevc_dpb_mgr_release_pics(buf_mgr_t *ps_buf_mgr, UWORD8 u1_disp_bufs); 108*c83a76b0SSuyog Pawar 109*c83a76b0SSuyog Pawar #endif /* _DPB_MANAGER_H */ 110