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_vui.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_VUI_H_
39 #define _IH264D_VUI_H_
40 
41 #include "ih264_typedefs.h"
42 #include "ih264_macros.h"
43 #include "ih264_platform_macros.h"
44 #include "ih264d_bitstrm.h"
45 
46 #define VUI_EXTENDED_SAR    255
47 
48 typedef struct
49 {
50     UWORD32 u4_cpb_cnt;
51     UWORD8 u1_bit_rate_scale;
52     UWORD8 u1_cpb_size_scale;
53     UWORD32 u4_bit_rate[32];
54     UWORD32 u4_cpb_size[32];
55     UWORD8 u1_cbr_flag[32];
56     UWORD8 u1_initial_cpb_removal_delay;
57     UWORD8 u1_cpb_removal_delay_length;
58     UWORD8 u1_dpb_output_delay_length;
59     UWORD8 u1_time_offset_length;
60 } hrd_t;
61 
62 typedef struct
63 {
64     UWORD8 u1_aspect_ratio_idc;
65     UWORD16 u2_sar_width;
66     UWORD16 u2_sar_height;
67     UWORD8 u1_overscan_appropriate_flag;
68     UWORD8 u1_video_format;
69     UWORD8 u1_video_full_range_flag;
70     UWORD8 u1_colour_primaries;
71     UWORD8 u1_tfr_chars;
72     UWORD8 u1_matrix_coeffs;
73     UWORD8 u1_cr_top_field;
74     UWORD8 u1_cr_bottom_field;
75     UWORD32 u4_num_units_in_tick;
76     UWORD32 u4_time_scale;
77     UWORD8 u1_fixed_frame_rate_flag;
78     UWORD8 u1_nal_hrd_params_present;
79     hrd_t s_nal_hrd;
80     UWORD8 u1_vcl_hrd_params_present;
81     hrd_t s_vcl_hrd;
82     UWORD8 u1_low_delay_hrd_flag;
83     UWORD8 u1_pic_struct_present_flag;
84     UWORD8 u1_bitstream_restriction_flag;
85     UWORD8 u1_mv_over_pic_boundaries_flag;
86     UWORD32 u4_max_bytes_per_pic_denom;
87     UWORD32 u4_max_bits_per_mb_denom;
88     UWORD32 u4_log2_max_mv_length_horz;
89     UWORD32 u4_log2_max_mv_length_vert;
90     UWORD32 u4_num_reorder_frames;
91     UWORD32 u4_max_dec_frame_buffering;
92 } vui_t;
93 
94 WORD32 ih264d_parse_vui_parametres(vui_t *ps_vu4,
95                                    dec_bit_stream_t *ps_bitstrm);
96 #endif /* _SEI_H_ */
97 
98