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