1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
|
/*
* Copyright (c) 2009 Wind River Systems, Inc.
*
* The right to copy, distribute, modify, or otherwise make use
* of this software may be licensed only pursuant to the terms
* of an applicable Wind River license agreement.
*/
#ifndef __WRS_OMXIL_H264_PARSER
#define ___WRS_OMXIL_H264_PARSER
#ifdef __cplusplus
extern "C" {
#endif
#define USE_PV_BITOPS 1
#define USE_MIXVBP_DEF 1
#define USE_VUI_PARSER 0
#if USE_PV_BITOPS
/* Port from PV OpenCORE 2.02 */
typedef struct _nal_stream_t {
unsigned char *data;
unsigned int numbytes;
unsigned int bytepos;
unsigned int bitbuf;
unsigned int databitpos;
unsigned int bitpos;
} nal_stream;
#endif
#if USE_MIXVBP_DEF
/* Import from MI-X VBP header */
#define MAX_NUM_SPS 32
/* status codes */
typedef enum _h264_Status
{
H264_STATUS_EOF = 1, // end of file
H264_STATUS_OK = 0, // no error
H264_STATUS_NO_MEM = 2, // out of memory
H264_STATUS_FILE_ERROR = 3, // file error
H264_STATUS_NOTSUPPORT = 4, // not supported mode
H264_STATUS_PARSE_ERROR = 5, // fail in parse MPEG-4 stream
H264_STATUS_ERROR = 6, // unknown/unspecified error
H264_NAL_ERROR,
H264_SPS_INVALID_PROFILE,
H264_SPS_INVALID_LEVEL,
H264_SPS_INVALID_SEQ_PARAM_ID,
H264_SPS_ERROR,
H264_PPS_INVALID_PIC_ID,
H264_PPS_INVALID_SEQ_ID,
H264_PPS_ERROR,
H264_SliceHeader_INVALID_MB,
H264_SliceHeader_ERROR,
H264_FRAME_DONE,
H264_SLICE_DONE,
H264_STATUS_POLL_ONCE_ERROR,
H264_STATUS_DEC_MEMINIT_ERROR,
H264_STATUS_NAL_UNIT_TYPE_ERROR,
H264_STATUS_SEI_ERROR,
H264_STATUS_SEI_DONE,
} h264_Status;
typedef enum _h264_Profile
{
h264_ProfileBaseline = 66, /** Baseline profile */
h264_ProfileMain = 77, /** Main profile */
h264_ProfileExtended = 88, /** Extended profile */
h264_ProfileHigh = 100 , /** High profile */
h264_ProfileHigh10 = 110, /** High 10 profile */
h264_ProfileHigh422 = 122, /** High profile 4:2:2 */
h264_ProfileHigh444 = 144, /** High profile 4:4:4 */
} h264_Profile;
typedef enum _h264_Level
{
h264_Level1b = 9, /** Level 1b */
h264_Level1 = 10, /** Level 1 */
h264_Level11 = 11, /** Level 1.1 */
h264_Level12 = 12, /** Level 1.2 */
h264_Level13 = 13, /** Level 1.3 */
h264_Level2 = 20, /** Level 2 */
h264_Level21 = 21, /** Level 2.1 */
h264_Level22 = 22, /** Level 2.2 */
h264_Level3 = 30, /** Level 3 */
h264_Level31 = 31, /** Level 3.1 */
h264_Level32 = 32, /** Level 3.2 */
h264_Level4 = 40, /** Level 4 */
h264_Level41 = 41, /** Level 4.1 */
h264_Level42 = 42, /** Level 4.2 */
h264_Level5 = 50, /** Level 5 */
h264_Level51 = 51, /** Level 5.1 */
h264_LevelReserved = 255 /** Unknown profile */
} h264_Level;
#endif
/*
* VUI
*/
#define Extended_SAR 255
typedef struct _VUI_t {
unsigned char aspect_ratio_info_present_flag;
unsigned char aspect_ratio_idc;
unsigned short sar_width;
unsigned short sar_height;
unsigned char overscan_info_present_flag;
unsigned char overscan_appropriate_flag;
unsigned char video_signal_type_present_flag;
unsigned char video_format;
unsigned char video_full_range_flag;
unsigned char colour_description_present_flag;
unsigned char colour_primaries;
unsigned char transfer_characteristics;
unsigned char matrix_coefficients;
unsigned char chroma_loc_info_present_flag;
unsigned int chroma_sample_loc_type_top_field;
unsigned int chroma_sample_loc_type_bottom_field;
unsigned int timing_info_present_flag;
unsigned int num_units_in_tick;
unsigned int time_scale;
unsigned int fixed_frame_rate_flag;
/* TBD */
} VUI;
int nal_sps_vui_parse(const unsigned char *buffer, int *framerate);
/*
* SPS
*/
typedef struct _SPS_t {
unsigned char profile_idc;
unsigned char constraint_flags;
unsigned short level_idc;
unsigned int seq_parameter_set_id;
unsigned int chroma_format_idc;
unsigned int separate_colour_plane_flag;
unsigned int bit_depth_luma_minus8;
unsigned int bit_depth_chroma_minus8;
unsigned short qpprime_y_zero_transform_bypass_flag;
unsigned short seq_scaling_matrix_present_flag;
unsigned char *seq_scaling_list_present_flag;
unsigned char scaling_list_4x4[6][16];
unsigned char scaling_list_8x8[2][64];
unsigned char use_default_scaling_matrix_4x4_flag[6];
unsigned char use_default_scaling_matrix_8x8_flag[6];
unsigned int log2_max_frame_num_minus4;
unsigned int pic_order_cnt_type;
unsigned int log2_max_pic_order_cnt_lsb_minus4;
unsigned int delta_pic_order_always_zero_flag;
int offset_for_non_ref_pic;
int offset_for_top_to_bottom_field;
unsigned int num_ref_frames_in_pic_order_cnt_cycle;
int *offset_for_ref_frame;
unsigned int max_num_ref_frames;
unsigned int gaps_in_frame_num_value_allowed_flag;
unsigned int pic_width_in_mbs_minus1;
unsigned int pic_height_in_map_units_minus1;
unsigned char frame_mbs_only_flag;
unsigned char mb_adaptive_frame_field_flag;
unsigned char direct_8x8_inference_flag;
unsigned char frame_cropping_flag;
unsigned int frame_crop_left_offset;
unsigned int frame_crop_right_offset;
unsigned int frame_crop_top_offset;
unsigned int frame_crop_bottom_offset;
unsigned int vui_parameters_present_flag;
VUI *vui;
} SPS;
int nal_sps_parse(unsigned char *buffer, unsigned int len,
unsigned int *width, unsigned int *height,
unsigned int *stride, unsigned int *sliceheight);
#ifdef __cplusplus
} /* extern "C" */
#endif
#endif /* ___WRS_OMXIL_H264_PARSER */
|
