internal Namespace Reference

Classes
class	BigInteger
struct	DiyFp
class	Double
struct	FrameDecodeParams
struct	FrameEncodeParams
struct	IsGenericValue
struct	IsGenericValueImpl
struct	IsGenericValueImpl< T, typename Void< typename T::EncodingType >::Type, typename Void< typename T::AllocatorType >::Type >
class	Stack
	A type-unsafe stack for storing different types of data. More...
class	StreamLocalCopy
class	StreamLocalCopy< Stream, 0 >
	Keep reference. More...
class	StreamLocalCopy< Stream, 1 >
	Do copy optimization. More...

Functions
DiyFp	GetCachedPowerByIndex (size_t index)
DiyFp	GetCachedPower (int e, int *K)
DiyFp	GetCachedPower10 (int exp, int *outExp)
void	GrisuRound (char *buffer, int len, uint64_t delta, uint64_t rest, uint64_t ten_kappa, uint64_t wp_w)
unsigned	CountDecimalDigit32 (uint32_t n)
void	DigitGen (const DiyFp &W, const DiyFp &Mp, uint64_t delta, char *buffer, int *len, int *K)
void	Grisu2 (double value, char *buffer, int *length, int *K)
char *	WriteExponent (int K, char *buffer)
char *	Prettify (char *buffer, int length, int k)
char *	dtoa (double value, char *buffer)
const char *	GetDigitsLut ()
char *	u32toa (uint32_t value, char *buffer)
char *	i32toa (int32_t value, char *buffer)
char *	u64toa (uint64_t value, char *buffer)
char *	i64toa (int64_t value, char *buffer)
double	Pow10 (int n)
	Computes integer powers of 10 in double (10.0^n). More...
template<typename Ch >
SizeType	StrLen (const Ch *s)
	Custom strlen() which works on different character types. More...
double	FastPath (double significand, int exp)
double	StrtodNormalPrecision (double d, int p)
template<typename T >
T	Min3 (T a, T b, T c)
int	CheckWithinHalfULP (double b, const BigInteger &d, int dExp, bool *adjustToNegative)
bool	StrtodFast (double d, int p, double *result)
bool	StrtodDiyFp (const char *decimals, size_t length, size_t decimalPosition, int exp, double *result)
double	StrtodBigInteger (double approx, const char *decimals, size_t length, size_t decimalPosition, int exp)
double	StrtodFullPrecision (double d, int p, const char *decimals, size_t length, size_t decimalPosition, int exp)
CFDictionaryRef	CreateCFDictionary (CFTypeRef *keys, CFTypeRef *values, size_t size)
void	VTDecompressionOutputCallback (void *decoder, void *params, OSStatus status, VTDecodeInfoFlags info_flags, CVImageBufferRef image_buffer, CMTime timestamp, CMTime duration)
std::string	CFStringToString (const CFStringRef cf_string)
void	SetVTSessionProperty (VTSessionRef session, CFStringRef key, int32_t value)
void	SetVTSessionProperty (VTSessionRef session, CFStringRef key, uint32_t value)
void	SetVTSessionProperty (VTSessionRef session, CFStringRef key, bool value)
void	SetVTSessionProperty (VTSessionRef session, CFStringRef key, CFStringRef value)
bool	CopyVideoFrameToPixelBuffer (const rtc::scoped_refptr< webrtc::VideoFrameBuffer > &frame, CVPixelBufferRef pixel_buffer)
CVPixelBufferRef	CreatePixelBuffer (CVPixelBufferPoolRef pixel_buffer_pool)
void	VTCompressionOutputCallback (void *encoder, void *params, OSStatus status, VTEncodeInfoFlags info_flags, CMSampleBufferRef sample_buffer)
CFStringRef	ExtractProfile (const cricket::VideoCodec &codec)

Variables
const float	kLimitToAverageBitRateFactor = 1.5f
const int	kLowH264QpThreshold = 28
const int	kHighH264QpThreshold = 39

Function Documentation

CFStringToString()

std::string internal::CFStringToString

(

const CFStringRef

cf_string

)

CheckWithinHalfULP()

int internal::CheckWithinHalfULP ( double  b, const BigInteger &  d, int  dExp, bool *  adjustToNegative  )

inline

CopyVideoFrameToPixelBuffer()

bool internal::CopyVideoFrameToPixelBuffer	(	const rtc::scoped_refptr< webrtc::VideoFrameBuffer > &	frame,
		CVPixelBufferRef	pixel_buffer
	)

CountDecimalDigit32()

unsigned internal::CountDecimalDigit32 ( uint32_t  n )

inline

CreateCFDictionary()

CFDictionaryRef internal::CreateCFDictionary ( CFTypeRef *  keys, CFTypeRef *  values, size_t  size  )

inline

CreatePixelBuffer()

CVPixelBufferRef internal::CreatePixelBuffer

(

CVPixelBufferPoolRef

pixel_buffer_pool

)

DigitGen()

void internal::DigitGen ( const DiyFp &  W, const DiyFp &  Mp, uint64_t  delta, char *  buffer, int *  len, int *  K  )

inline

dtoa()

char* internal::dtoa ( double  value, char *  buffer  )

inline

ExtractProfile()

CFStringRef internal::ExtractProfile

(

const cricket::VideoCodec &

codec

)

FastPath()

double internal::FastPath ( double  significand, int  exp  )

inline

GetCachedPower()

DiyFp internal::GetCachedPower ( int  e, int *  K  )

inline

GetCachedPower10()

DiyFp internal::GetCachedPower10 ( int  exp, int *  outExp  )

inline

GetCachedPowerByIndex()

DiyFp internal::GetCachedPowerByIndex ( size_t  index )

inline

GetDigitsLut()

const char* internal::GetDigitsLut ( )

inline

Grisu2()

void internal::Grisu2 ( double  value, char *  buffer, int *  length, int *  K  )

inline

GrisuRound()

void internal::GrisuRound ( char *  buffer, int  len, uint64_t  delta, uint64_t  rest, uint64_t  ten_kappa, uint64_t  wp_w  )

inline

closer

i32toa()

char* internal::i32toa ( int32_t  value, char *  buffer  )

inline

i64toa()

char* internal::i64toa ( int64_t  value, char *  buffer  )

inline

Min3()

template<typename T >

T internal::Min3 ( T  a, T  b, T  c  )

inline

Pow10()

double internal::Pow10 ( int  n )

inline

Computes integer powers of 10 in double (10.0^n).

This function uses lookup table for fast and accurate results.

Parameters

n	non-negative exponent. Must <= 308.

Returns

10.0^n

Prettify()

char* internal::Prettify ( char *  buffer, int  length, int  k  )

inline

SetVTSessionProperty() [1/4]

void internal::SetVTSessionProperty	(	VTSessionRef	session,
		CFStringRef	key,
		int32_t	value
	)

SetVTSessionProperty() [2/4]

void internal::SetVTSessionProperty	(	VTSessionRef	session,
		CFStringRef	key,
		uint32_t	value
	)

SetVTSessionProperty() [3/4]

void internal::SetVTSessionProperty	(	VTSessionRef	session,
		CFStringRef	key,
		bool	value
	)

SetVTSessionProperty() [4/4]

void internal::SetVTSessionProperty	(	VTSessionRef	session,
		CFStringRef	key,
		CFStringRef	value
	)

StrLen()

template<typename Ch >

SizeType internal::StrLen ( const Ch *  s )

inline

Custom strlen() which works on different character types.

Template Parameters

Ch	Character type (e.g. char, wchar_t, short)

Parameters

s	Null-terminated input string.

Returns

Number of characters in the string.

Note

This has the same semantics as strlen(), the return value is not number of Unicode codepoints.

StrtodBigInteger()

double internal::StrtodBigInteger ( double  approx, const char *  decimals, size_t  length, size_t  decimalPosition, int  exp  )

inline

StrtodDiyFp()

bool internal::StrtodDiyFp ( const char *  decimals, size_t  length, size_t  decimalPosition, int  exp, double *  result  )

inline

StrtodFast()

bool internal::StrtodFast ( double  d, int  p, double *  result  )

inline

StrtodFullPrecision()

double internal::StrtodFullPrecision ( double  d, int  p, const char *  decimals, size_t  length, size_t  decimalPosition, int  exp  )

inline

StrtodNormalPrecision()

double internal::StrtodNormalPrecision ( double  d, int  p  )

inline

u32toa()

char* internal::u32toa ( uint32_t  value, char *  buffer  )

inline

u64toa()

char* internal::u64toa ( uint64_t  value, char *  buffer  )

inline

VTCompressionOutputCallback()

void internal::VTCompressionOutputCallback	(	void *	encoder,
		void *	params,
		OSStatus	status,
		VTEncodeInfoFlags	info_flags,
		CMSampleBufferRef	sample_buffer
	)

VTDecompressionOutputCallback()

void internal::VTDecompressionOutputCallback	(	void *	decoder,
		void *	params,
		OSStatus	status,
		VTDecodeInfoFlags	info_flags,
		CVImageBufferRef	image_buffer,
		CMTime	timestamp,
		CMTime	duration
	)

WriteExponent()

char* internal::WriteExponent ( int  K, char *  buffer  )

inline

Variable Documentation

kHighH264QpThreshold

const int internal::kHighH264QpThreshold = 39

kLimitToAverageBitRateFactor

const float internal::kLimitToAverageBitRateFactor = 1.5f

kLowH264QpThreshold

const int internal::kLowH264QpThreshold = 28