SmolRTSP 0.1.3
A small, portable, extensible RTSP 1.0 implementation in C99
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h264.h
Go to the documentation of this file.
1
9#pragma once
10
11#include <stdbool.h>
12#include <stdint.h>
13
14#include <slice99.h>
15
16#include <smolrtsp/priv/compiler_attrs.h>
17
21#define SMOLRTSP_H264_NAL_HEADER_SIZE sizeof(uint8_t)
22
28#define SMOLRTSP_H264_FU_HEADER_SIZE \
29 (/* fu-identifier */ sizeof(uint8_t) + /* fu-header */ sizeof(uint8_t))
30
34typedef struct {
39
43 uint8_t ref_idc;
44
48 uint8_t unit_type;
50
65
70SmolRTSP_H264NalHeader_parse(uint8_t byte_header) SMOLRTSP_PRIV_MUST_USE;
71
76 SMOLRTSP_PRIV_MUST_USE;
77
82 SMOLRTSP_PRIV_MUST_USE;
83
88 SMOLRTSP_PRIV_MUST_USE;
89
94 SMOLRTSP_PRIV_MUST_USE;
95
100 SMOLRTSP_PRIV_MUST_USE;
101
106 SMOLRTSP_PRIV_MUST_USE;
107
120 SmolRTSP_H264NalHeader self, uint8_t buffer[restrict],
121 bool is_first_fragment, bool is_last_fragment);
122
126#define SMOLRTSP_H264_NAL_UNIT_UNSPECIFIED 0
127
131#define SMOLRTSP_H264_NAL_UNIT_CODED_SLICE_NON_IDR 1
132
136#define SMOLRTSP_H264_NAL_UNIT_CODED_SLICE_DATA_PARTITION_A 2
137
141#define SMOLRTSP_H264_NAL_UNIT_CODED_SLICE_DATA_PARTITION_B 3
142
146#define SMOLRTSP_H264_NAL_UNIT_CODED_SLICE_DATA_PARTITION_C 4
147
151#define SMOLRTSP_H264_NAL_UNIT_CODED_SLICE_IDR 5
152
156#define SMOLRTSP_H264_NAL_UNIT_SEI 6
157
161#define SMOLRTSP_H264_NAL_UNIT_SPS 7
162
166#define SMOLRTSP_H264_NAL_UNIT_PPS 8
167
171#define SMOLRTSP_H264_NAL_UNIT_AUD 9
172
176#define SMOLRTSP_H264_NAL_UNIT_END_OF_SEQUENCE 10
177
181#define SMOLRTSP_H264_NAL_UNIT_END_OF_STREAM 11
182
186#define SMOLRTSP_H264_NAL_UNIT_FILLER 12
187
191#define SMOLRTSP_H264_NAL_UNIT_SPS_EXT 13
192
196#define SMOLRTSP_H264_NAL_UNIT_PREFIX 14
197
201#define SMOLRTSP_H264_NAL_UNIT_SUBSET_SPS 15
202
206#define SMOLRTSP_H264_NAL_UNIT_DPS 16
207
211#define SMOLRTSP_H264_NAL_UNIT_CODED_SLICE_AUX 19
212
216#define SMOLRTSP_H264_NAL_UNIT_CODED_SLICE_EXT 20
217
222#define SMOLRTSP_H264_NAL_UNIT_CODED_SLICE_EXT_DEPTH_VIEW 21
bool SmolRTSP_H264NalHeader_is_coded_slice_non_idr(SmolRTSP_H264NalHeader self) SMOLRTSP_PRIV_MUST_USE
Checks whether self is a coded slice non-IDR.
void SmolRTSP_H264NalHeader_write_fu_header(SmolRTSP_H264NalHeader self, uint8_t buffer[restrict], bool is_first_fragment, bool is_last_fragment)
Writes a FU header of self to buffer.
SmolRTSP_H264NalHeader SmolRTSP_H264NalHeader_parse(uint8_t byte_header) SMOLRTSP_PRIV_MUST_USE
Parses an H.264 NAL header from byte_header.
bool SmolRTSP_H264NalHeader_is_pps(SmolRTSP_H264NalHeader self) SMOLRTSP_PRIV_MUST_USE
Checks whether self is PPS.
bool SmolRTSP_H264NalHeader_is_coded_slice_idr(SmolRTSP_H264NalHeader self) SMOLRTSP_PRIV_MUST_USE
Checks whether self is a coded slice IDR.
uint8_t SmolRTSP_H264NalHeader_serialize(SmolRTSP_H264NalHeader self) SMOLRTSP_PRIV_MUST_USE
Converts self to a single octet representation.
bool SmolRTSP_H264NalHeader_is_vps(SmolRTSP_H264NalHeader self) SMOLRTSP_PRIV_MUST_USE
Checks whether self is VPS.
bool SmolRTSP_H264NalHeader_is_sps(SmolRTSP_H264NalHeader self) SMOLRTSP_PRIV_MUST_USE
Checks whether self is SPS.
An H.264 NAL header.
Definition h264.h:34
bool forbidden_zero_bit
forbidden_zero_bit f(1).
Definition h264.h:38
uint8_t ref_idc
nal_ref_idc (u2).
Definition h264.h:43
uint8_t unit_type
unit_type u(5).
Definition h264.h:48
An H.264 NAL unit.
Definition h264.h:54
U8Slice99 payload
The payload data of this NAL unit (not including the header).
Definition h264.h:63
SmolRTSP_H264NalHeader header
The NAL header of this NAL unit.
Definition h264.h:58