webrtc::H264 Namespace Reference

Classes
struct	NaluIndex
struct	ProfileLevelId

Typedefs
typedef std::map< std::string, std::string >	CodecParameterMap

Enumerations
enum	Profile {   kProfileConstrainedBaseline, kProfileBaseline, kProfileMain, kProfileConstrainedHigh,   kProfileHigh, kProfileConstrainedBaseline, kProfileBaseline, kProfileMain,   kProfileConstrainedHigh, kProfileHigh }
enum	NaluType : uint8_t {   kSlice = 1, kIdr = 5, kSei = 6, kSps = 7,   kPps = 8, kAud = 9, kEndOfSequence = 10, kEndOfStream = 11,   kFiller = 12, kStapA = 24, kFuA = 28, kSlice = 1,   kIdr = 5, kSei = 6, kSps = 7, kPps = 8,   kAud = 9, kEndOfSequence = 10, kEndOfStream = 11, kFiller = 12,   kStapA = 24, kFuA = 28 }
enum	SliceType : uint8_t {   kP = 0, kB = 1, kI = 2, kSp = 3,   kSi = 4, kP = 0, kB = 1, kI = 2,   kSp = 3, kSi = 4 }
enum	Level {   kLevel1_b = 0, kLevel1 = 10, kLevel1_1 = 11, kLevel1_2 = 12,   kLevel1_3 = 13, kLevel2 = 20, kLevel2_1 = 21, kLevel2_2 = 22,   kLevel3 = 30, kLevel3_1 = 31, kLevel3_2 = 32, kLevel4 = 40,   kLevel4_1 = 41, kLevel4_2 = 42, kLevel5 = 50, kLevel5_1 = 51,   kLevel5_2 = 52, kLevel1_b = 0, kLevel1 = 10, kLevel1_1 = 11,   kLevel1_2 = 12, kLevel1_3 = 13, kLevel2 = 20, kLevel2_1 = 21,   kLevel2_2 = 22, kLevel3 = 30, kLevel3_1 = 31, kLevel3_2 = 32,   kLevel4 = 40, kLevel4_1 = 41, kLevel4_2 = 42, kLevel5 = 50,   kLevel5_1 = 51, kLevel5_2 = 52 }
enum	Profile {   kProfileConstrainedBaseline, kProfileBaseline, kProfileMain, kProfileConstrainedHigh,   kProfileHigh, kProfileConstrainedBaseline, kProfileBaseline, kProfileMain,   kProfileConstrainedHigh, kProfileHigh }
enum	NaluType : uint8_t {   kSlice = 1, kIdr = 5, kSei = 6, kSps = 7,   kPps = 8, kAud = 9, kEndOfSequence = 10, kEndOfStream = 11,   kFiller = 12, kStapA = 24, kFuA = 28, kSlice = 1,   kIdr = 5, kSei = 6, kSps = 7, kPps = 8,   kAud = 9, kEndOfSequence = 10, kEndOfStream = 11, kFiller = 12,   kStapA = 24, kFuA = 28 }
enum	SliceType : uint8_t {   kP = 0, kB = 1, kI = 2, kSp = 3,   kSi = 4, kP = 0, kB = 1, kI = 2,   kSp = 3, kSi = 4 }
enum	Level {   kLevel1_b = 0, kLevel1 = 10, kLevel1_1 = 11, kLevel1_2 = 12,   kLevel1_3 = 13, kLevel2 = 20, kLevel2_1 = 21, kLevel2_2 = 22,   kLevel3 = 30, kLevel3_1 = 31, kLevel3_2 = 32, kLevel4 = 40,   kLevel4_1 = 41, kLevel4_2 = 42, kLevel5 = 50, kLevel5_1 = 51,   kLevel5_2 = 52, kLevel1_b = 0, kLevel1 = 10, kLevel1_1 = 11,   kLevel1_2 = 12, kLevel1_3 = 13, kLevel2 = 20, kLevel2_1 = 21,   kLevel2_2 = 22, kLevel3 = 30, kLevel3_1 = 31, kLevel3_2 = 32,   kLevel4 = 40, kLevel4_1 = 41, kLevel4_2 = 42, kLevel5 = 50,   kLevel5_1 = 51, kLevel5_2 = 52 }

Functions
std::vector< NaluIndex >	FindNaluIndices (const uint8_t *buffer, size_t buffer_size)
NaluType	ParseNaluType (uint8_t data)
std::unique_ptr< rtc::Buffer >	ParseRbsp (const uint8_t *data, size_t length)
void	WriteRbsp (const uint8_t *bytes, size_t length, rtc::Buffer *destination)
rtc::Optional< ProfileLevelId >	ParseProfileLevelId (const char *str)
rtc::Optional< ProfileLevelId >	ParseSdpProfileLevelId (const CodecParameterMap &params)
rtc::Optional< Level >	SupportedLevel (int max_frame_pixel_count, float max_fps)
rtc::Optional< std::string >	ProfileLevelIdToString (const ProfileLevelId &profile_level_id)
void	GenerateProfileLevelIdForAnswer (const CodecParameterMap &local_supported_params, const CodecParameterMap &remote_offered_params, CodecParameterMap *answer_params)
	TEST (H264ProfileLevelId, TestParsingInvalid)
	TEST (H264ProfileLevelId, TestParsingLevel)
	TEST (H264ProfileLevelId, TestParsingConstrainedBaseline)
	TEST (H264ProfileLevelId, TestParsingBaseline)
	TEST (H264ProfileLevelId, TestParsingMain)
	TEST (H264ProfileLevelId, TestParsingHigh)
	TEST (H264ProfileLevelId, TestParsingConstrainedHigh)
	TEST (H264ProfileLevelId, TestSupportedLevel)
	TEST (H264ProfileLevelId, TestSupportedLevelInvalid)
	TEST (H264ProfileLevelId, TestToString)
	TEST (H264ProfileLevelId, TestToStringLevel1b)
	TEST (H264ProfileLevelId, TestToStringRoundTrip)
	TEST (H264ProfileLevelId, TestToStringInvalid)
	TEST (H264ProfileLevelId, TestParseSdpProfileLevelIdEmpty)
	TEST (H264ProfileLevelId, TestParseSdpProfileLevelIdConstrainedHigh)
	TEST (H264ProfileLevelId, TestParseSdpProfileLevelIdInvalid)
	TEST (H264ProfileLevelId, TestGenerateProfileLevelIdForAnswerEmpty)
	TEST (H264ProfileLevelId, TestGenerateProfileLevelIdForAnswerLevelSymmetryCapped)
	TEST (H264ProfileLevelId, TestGenerateProfileLevelIdForAnswerConstrainedBaselineLevelAsymmetry)

Variables
const size_t	kNaluLongStartSequenceSize = 4
const size_t	kNaluShortStartSequenceSize = 3
const size_t	kNaluTypeSize = 1
const uint8_t	kNaluTypeMask = 0x1F

Typedef Documentation

CodecParameterMap

typedef std::map< std::string, std::string > webrtc::H264::CodecParameterMap

Enumeration Type Documentation

Level [1/2]

enum webrtc::H264::Level

Enumerator
kLevel1_b
kLevel1
kLevel1_1
kLevel1_2
kLevel1_3
kLevel2
kLevel2_1
kLevel2_2
kLevel3
kLevel3_1
kLevel3_2
kLevel4
kLevel4_1
kLevel4_2
kLevel5
kLevel5_1
kLevel5_2
kLevel1_b
kLevel1
kLevel1_1
kLevel1_2
kLevel1_3
kLevel2
kLevel2_1
kLevel2_2
kLevel3
kLevel3_1
kLevel3_2
kLevel4
kLevel4_1
kLevel4_2
kLevel5
kLevel5_1
kLevel5_2

Level [2/2]

enum webrtc::H264::Level

Enumerator
kLevel1_b
kLevel1
kLevel1_1
kLevel1_2
kLevel1_3
kLevel2
kLevel2_1
kLevel2_2
kLevel3
kLevel3_1
kLevel3_2
kLevel4
kLevel4_1
kLevel4_2
kLevel5
kLevel5_1
kLevel5_2
kLevel1_b
kLevel1
kLevel1_1
kLevel1_2
kLevel1_3
kLevel2
kLevel2_1
kLevel2_2
kLevel3
kLevel3_1
kLevel3_2
kLevel4
kLevel4_1
kLevel4_2
kLevel5
kLevel5_1
kLevel5_2

NaluType [1/2]

enum webrtc::H264::NaluType : uint8_t

Enumerator
kSlice
kIdr
kSei
kSps
kPps
kAud
kEndOfSequence
kEndOfStream
kFiller
kStapA
kFuA
kSlice
kIdr
kSei
kSps
kPps
kAud
kEndOfSequence
kEndOfStream
kFiller
kStapA
kFuA

NaluType [2/2]

enum webrtc::H264::NaluType : uint8_t

Enumerator
kSlice
kIdr
kSei
kSps
kPps
kAud
kEndOfSequence
kEndOfStream
kFiller
kStapA
kFuA
kSlice
kIdr
kSei
kSps
kPps
kAud
kEndOfSequence
kEndOfStream
kFiller
kStapA
kFuA

Profile [1/2]

enum webrtc::H264::Profile

Enumerator
kProfileConstrainedBaseline
kProfileBaseline
kProfileMain
kProfileConstrainedHigh
kProfileHigh
kProfileConstrainedBaseline
kProfileBaseline
kProfileMain
kProfileConstrainedHigh
kProfileHigh

Profile [2/2]

enum webrtc::H264::Profile

Enumerator
kProfileConstrainedBaseline
kProfileBaseline
kProfileMain
kProfileConstrainedHigh
kProfileHigh
kProfileConstrainedBaseline
kProfileBaseline
kProfileMain
kProfileConstrainedHigh
kProfileHigh

SliceType [1/2]

enum webrtc::H264::SliceType : uint8_t

Enumerator
kP
kB
kI
kSp
kSi
kP
kB
kI
kSp
kSi

SliceType [2/2]

enum webrtc::H264::SliceType : uint8_t

Enumerator
kP
kB
kI
kSp
kSi
kP
kB
kI
kSp
kSi

Function Documentation

FindNaluIndices()

std::vector< NaluIndex > webrtc::H264::FindNaluIndices	(	const uint8_t *	buffer,
		size_t	buffer_size
	)

GenerateProfileLevelIdForAnswer()

void webrtc::H264::GenerateProfileLevelIdForAnswer	(	const CodecParameterMap &	local_supported_params,
		const CodecParameterMap &	remote_offered_params,
		CodecParameterMap *	answer_params
	)

ParseNaluType()

NaluType webrtc::H264::ParseNaluType

(

uint8_t

data

)

ParseProfileLevelId()

rtc::Optional< ProfileLevelId > webrtc::H264::ParseProfileLevelId

(

const char *

str

)

ParseRbsp()

std::unique_ptr< rtc::Buffer > webrtc::H264::ParseRbsp	(	const uint8_t *	data,
		size_t	length
	)

ParseSdpProfileLevelId()

rtc::Optional< ProfileLevelId > webrtc::H264::ParseSdpProfileLevelId

(

const CodecParameterMap &

params

)

ProfileLevelIdToString()

rtc::Optional< std::string > webrtc::H264::ProfileLevelIdToString

(

const ProfileLevelId &

profile_level_id

)

SupportedLevel()

rtc::Optional< Level > webrtc::H264::SupportedLevel	(	int	max_frame_pixel_count,
		float	max_fps
	)

TEST() [1/19]

webrtc::H264::TEST	(	H264ProfileLevelId	,
		TestParsingInvalid
	)

TEST() [2/19]

webrtc::H264::TEST	(	H264ProfileLevelId	,
		TestParsingLevel
	)

TEST() [3/19]

webrtc::H264::TEST	(	H264ProfileLevelId	,
		TestParsingConstrainedBaseline
	)

TEST() [4/19]

webrtc::H264::TEST	(	H264ProfileLevelId	,
		TestParsingBaseline
	)

TEST() [5/19]

webrtc::H264::TEST	(	H264ProfileLevelId	,
		TestParsingMain
	)

TEST() [6/19]

webrtc::H264::TEST	(	H264ProfileLevelId	,
		TestParsingHigh
	)

TEST() [7/19]

webrtc::H264::TEST	(	H264ProfileLevelId	,
		TestParsingConstrainedHigh
	)

TEST() [8/19]

webrtc::H264::TEST	(	H264ProfileLevelId	,
		TestSupportedLevel
	)

TEST() [9/19]

webrtc::H264::TEST	(	H264ProfileLevelId	,
		TestSupportedLevelInvalid
	)

TEST() [10/19]

webrtc::H264::TEST	(	H264ProfileLevelId	,
		TestToString
	)

TEST() [11/19]

webrtc::H264::TEST	(	H264ProfileLevelId	,
		TestToStringLevel1b
	)

TEST() [12/19]

webrtc::H264::TEST	(	H264ProfileLevelId	,
		TestToStringRoundTrip
	)

TEST() [13/19]

webrtc::H264::TEST	(	H264ProfileLevelId	,
		TestToStringInvalid
	)

TEST() [14/19]

webrtc::H264::TEST	(	H264ProfileLevelId	,
		TestParseSdpProfileLevelIdEmpty
	)

TEST() [15/19]

webrtc::H264::TEST	(	H264ProfileLevelId	,
		TestParseSdpProfileLevelIdConstrainedHigh
	)

TEST() [16/19]

webrtc::H264::TEST	(	H264ProfileLevelId	,
		TestParseSdpProfileLevelIdInvalid
	)

TEST() [17/19]

webrtc::H264::TEST	(	H264ProfileLevelId	,
		TestGenerateProfileLevelIdForAnswerEmpty
	)

TEST() [18/19]

webrtc::H264::TEST	(	H264ProfileLevelId	,
		TestGenerateProfileLevelIdForAnswerLevelSymmetryCapped
	)

TEST() [19/19]

webrtc::H264::TEST	(	H264ProfileLevelId	,
		TestGenerateProfileLevelIdForAnswerConstrainedBaselineLevelAsymmetry
	)

WriteRbsp()

void webrtc::H264::WriteRbsp	(	const uint8_t *	bytes,
		size_t	length,
		rtc::Buffer *	destination
	)

Variable Documentation

kNaluLongStartSequenceSize

const size_t webrtc::H264::kNaluLongStartSequenceSize = 4

kNaluShortStartSequenceSize

const size_t webrtc::H264::kNaluShortStartSequenceSize = 3

kNaluTypeMask

const uint8_t webrtc::H264::kNaluTypeMask = 0x1F

kNaluTypeSize

const size_t webrtc::H264::kNaluTypeSize = 1