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 #ifndef _IH264D_UTILS_H_ 21 #define _IH264D_UTILS_H_ 22 /*! 23 ************************************************************************** 24 * \file ih264d_utils.h 25 * 26 * \brief 27 * Contains declaration of routines 28 * that handle of start and end of pic processing 29 * 30 * \date 31 * 19/12/2002 32 * 33 * \author AI 34 ************************************************************************** 35 */ 36 #include "ih264d_defs.h" 37 #include "ih264_typedefs.h" 38 #include "ih264_macros.h" 39 #include "ih264_platform_macros.h" 40 #include "ih264d_structs.h" 41 #include "ih264d_parse_cavlc.h" 42 43 #define PS_DEC_ALIGNED_FREE(ps_dec, y) \ 44 if(y) {ps_dec->pf_aligned_free(ps_dec->pv_mem_ctxt, ((void *)y)); (y) = NULL;} 45 void pad_frm_buff_vert(dec_struct_t *ps_dec); 46 47 UWORD8 ih264d_is_end_of_pic(UWORD16 u2_frame_num, 48 UWORD8 u1_nal_ref_idc, 49 pocstruct_t *ps_cur_poc, 50 pocstruct_t *ps_prev_poc, 51 dec_slice_params_t * ps_prev_slice, 52 UWORD8 u1_pic_order_cnt_type, 53 UWORD8 u1_nal_unit_type, 54 UWORD32 u4_idr_pic_id, 55 UWORD8 u1_field_pic_flag, 56 UWORD8 u1_bottom_field_flag); 57 58 WORD32 ih264d_end_of_pic_processing(dec_struct_t * ps_dec); 59 60 WORD32 ih264d_init_pic(dec_struct_t *ps_dec, 61 UWORD16 u2_frame_num, 62 WORD32 i4_poc, 63 dec_pic_params_t * ps_pps); 64 65 WORD32 ih264d_end_of_pic_processing(dec_struct_t * ps_dec); 66 WORD32 ih264d_decode_pic_order_cnt(UWORD8 u1_is_idr_slice, 67 UWORD32 u2_frame_num, 68 pocstruct_t *ps_prev_poc, 69 pocstruct_t *ps_cur_poc, 70 dec_slice_params_t *ps_cur_slice, 71 dec_pic_params_t * ps_pps, 72 UWORD8 u1_nal_ref_idc, 73 UWORD8 u1_bottom_field_flag, 74 UWORD8 u1_field_pic_flag, 75 WORD32 *pi4_poc); 76 void ih264d_release_display_bufs(dec_struct_t *ps_dec); 77 WORD32 ih264d_assign_display_seq(dec_struct_t *ps_dec); 78 void ih264d_assign_pic_num(dec_struct_t *ps_dec); 79 80 void ih264d_unpack_coeff4x4_dc_4x4blk(tu_sblk4x4_coeff_data_t *ps_tu_4x4, 81 WORD16 *pi2_out_coeff_data, 82 UWORD8 *pu1_inv_scan); 83 84 WORD32 ih264d_update_qp(dec_struct_t * ps_dec, const WORD8 i1_qp); 85 WORD32 ih264d_decode_gaps_in_frame_num(dec_struct_t *ps_dec, 86 UWORD16 u2_frame_num); 87 88 WORD32 ih264d_get_next_display_field(dec_struct_t * ps_dec, 89 ivd_out_bufdesc_t *ps_out_buffer, 90 ivd_get_display_frame_op_t *pv_disp_op); 91 92 void ih264d_release_display_field(dec_struct_t *ps_dec, 93 ivd_get_display_frame_op_t *pv_disp_op); 94 void ih264d_close_video_decoder(iv_obj_t *iv_obj_t); 95 WORD32 ih264d_get_dpb_size(dec_seq_params_t *ps_seq); 96 WORD32 ih264d_get_next_nal_unit(UWORD8 *pu1_buf, 97 UWORD32 u4_cur_pos, 98 UWORD32 u4_max_ofst, 99 UWORD32 *pu4_length_of_start_code); 100 101 WORD16 ih264d_free_dynamic_bufs(dec_struct_t * ps_dec); 102 #endif /* _IH264D_UTILS_H_ */ 103