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 Name         : ih264d_sei.h                                                */
24 /*                                                                           */
25 /*  Description       : This file contains routines to parse SEI NAL's       */
26 /*                                                                           */
27 /*  List of Functions : <List the functions defined in this file>            */
28 /*                                                                           */
29 /*  Issues / Problems : None                                                 */
30 /*                                                                           */
31 /*  Revision History  :                                                      */
32 /*                                                                           */
33 /*         DD MM YYYY   Author(s)       Changes (Describe the changes made)  */
34 /*         25 05 2005   NS              Draft                                */
35 /*                                                                           */
36 /*****************************************************************************/
37 
38 #ifndef _IH264D_SEI_H_
39 #define _IH264D_SEI_H_
40 
41 #include "ih264_typedefs.h"
42 #include "ih264_macros.h"
43 #include "ih264_platform_macros.h"
44 #include "ih264d_bitstrm.h"
45 #include "ih264d_structs.h"
46 
47 #define SEI_BUF_PERIOD      0
48 #define SEI_PIC_TIMING      1
49 #define SEI_PAN_SCAN_RECT   2
50 #define SEI_FILLER          3
51 #define SEI_UD_REG_T35      4
52 #define SEI_UD_UN_REG       5
53 #define SEI_RECOVERY_PT     6
54 #define SEI_DEC_REF_MARK    7
55 #define SEI_SPARE_PIC       8
56 #define SEI_SCENE_INFO      9
57 #define SEI_SUB_SEQN_INFO   10
58 #define SEI_SUB_SEQN_LAY_CHAR       11
59 #define SEI_SUB_SEQN_CHAR   12
60 #define SEI_FULL_FRAME_FREEZE       13
61 #define SEI_FULL_FRAME_FREEZE_REL   14
62 #define SEI_FULL_FRAME_SNAP_SHOT    15
63 #define SEI_PROG_REF_SEGMENT_START  16
64 #define SEI_PROG_REF_SEGMENT_END    17
65 #define SEI_MOT_CON_SLICE_GRP_SET   18
66 /* Declaration of dec_struct_t to avoid CCS compilation Error */
67 struct _DecStruct;
68 WORD32 ih264d_parse_sei_message(struct _DecStruct *ps_dec,
69                                 dec_bit_stream_t *ps_bitstrm);
70 typedef struct
71 {
72     UWORD8 u1_seq_parameter_set_id;
73     UWORD32 u4_initial_cpb_removal_delay;
74     UWORD32 u4_nitial_cpb_removal_delay_offset;
75 
76 } buf_period_t;
77 
78 struct _sei
79 {
80     UWORD8 u1_seq_param_set_id;
81     buf_period_t s_buf_period;
82     UWORD8 u1_pic_struct;
83     UWORD16 u2_recovery_frame_cnt;
84     UWORD8 u1_exact_match_flag;
85     UWORD8 u1_broken_link_flag;
86     UWORD8 u1_changing_slice_grp_idc;
87     UWORD8 u1_is_valid;
88 };
89 typedef struct _sei sei;
90 #endif /* _IH264D_SEI_H_ */
91 
92