utils

package
v0.0.0-...-b9bb5e3 Latest Latest
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This package is not in the latest version of its module.

 Go to latest Published: May 9, 2024 License: GPL-3.0 Imports: 19 Imported by: 0

Documentation

Index

Constants

View Source 
const (
	// DebugLevel is the lowest level of logging
	DebugLevel = iota
	// InfoLevel is the second lowest level of logging
	InfoLevel
	// WarnLevel is the third highest level of logging
	WarnLevel
	// ErrorLevel is the highest level of logging
	ErrorLevel
	// NoLevel disables all logging
	NoLevel
)
View Source 
const (
	SmallHeaderSize = 8
	LargeHeaderSize = 16
	LengthUnlimited = math.MaxUint32
)

Variables

View Source 
var DcList = map[int]string{
	1: "149.154.175.58:443",
	2: "149.154.167.50:443",
	3: "149.154.175.100:443",
	4: "149.154.167.91:443",
	5: "91.108.56.151:443",
}
View Source 
var ErrUnsupportedBoxVersion = errors.New("unsupported box version")

Functions

func AddBoxDef 

func AddBoxDef(payload IBox, versions ...uint8)

func AskForConfirmation 

func AskForConfirmation() bool

func AuthKeyHash 

func AuthKeyHash(key []byte) []byte

func CloseChannelWithoutPanic 

func CloseChannelWithoutPanic(c chan tl.Object)

func FullStack 

func FullStack()

func GenerateMessageId 

func GenerateMessageId(prevID int64, offset int64) int64

func GenerateSessionID 

func GenerateSessionID() int64

func ParseDuration 

func ParseDuration(file string) (int64, error)

func RandomBytes 

func RandomBytes(size int) []byte

func ReadBoxStructure 

func ReadBoxStructure(r io.ReadSeeker, handler ReadHandler, params ...interface{}) ([]interface{}, error)

func ReadBoxStructureFromInternal 

func ReadBoxStructureFromInternal(r io.ReadSeeker, bi *BoxInfo, handler ReadHandler, params ...interface{}) (interface{}, error)

func SetDCs 

func SetDCs(dcList map[int]string)

func Sha1 

func Sha1(input string) []byte

func Sha1Byte 

func Sha1Byte(input []byte) []byte

func Unmarshal 

func Unmarshal(r io.ReadSeeker, payloadSize uint64, dst IBox, ctx Context) (n uint64, err error)

func Xor 

func Xor(dst, src []byte)

Types

type BaseCustomFieldObject 

type BaseCustomFieldObject struct{}

func (*BaseCustomFieldObject) BeforeUnmarshal 

func (*BaseCustomFieldObject) BeforeUnmarshal(io.ReadSeeker, uint64, Context) (uint64, bool, error)

func (*BaseCustomFieldObject) GetFieldLength 

func (box *BaseCustomFieldObject) GetFieldLength(string, Context) uint

func (*BaseCustomFieldObject) GetFieldSize 

func (box *BaseCustomFieldObject) GetFieldSize(string, Context) uint

func (*BaseCustomFieldObject) IsOptFieldEnabled 

func (box *BaseCustomFieldObject) IsOptFieldEnabled(string, Context) bool

func (*BaseCustomFieldObject) OnReadField 

func (*BaseCustomFieldObject) OnReadField(string, ReadSeeker, uint64, Context) (uint64, bool, error)

type Box 

type Box struct {
	BaseCustomFieldObject
}

func (*Box) AddFlag 

func (box *Box) AddFlag(_ uint32)

AddFlag adds the flag

func (*Box) CheckFlag 

func (box *Box) CheckFlag(_ uint32) bool

CheckFlag checks the flag status

func (*Box) GetFlags 

func (box *Box) GetFlags() uint32

GetFlags returns the flags

func (*Box) GetVersion 

func (box *Box) GetVersion() uint8

GetVersion returns the box version

func (*Box) RemoveFlag 

func (box *Box) RemoveFlag(_ uint32)

RemoveFlag removes the flag

func (*Box) SetFlags 

func (box *Box) SetFlags(uint32)

SetFlags sets the flags

func (*Box) SetVersion 

func (box *Box) SetVersion(uint8)

SetVersion sets the box version

type BoxInfo 

type BoxInfo struct {
	Offset      uint64
	Size        uint64
	HeaderSize  uint64
	Type        BoxType
	ExtendToEOF bool
	Context
}

BoxInfo has common infomations of box

func ExtractBoxes 

func ExtractBoxes(r io.ReadSeeker, parent *BoxInfo, paths []BoxPath) ([]*BoxInfo, error)

func ReadBoxInfo 

func ReadBoxInfo(r io.ReadSeeker) (*BoxInfo, error)

func (*BoxInfo) SeekToEnd 

func (bi *BoxInfo) SeekToEnd(s io.Seeker) (int64, error)

func (*BoxInfo) SeekToPayload 

func (bi *BoxInfo) SeekToPayload(s io.Seeker) (int64, error)

func (*BoxInfo) SeekToStart 

func (bi *BoxInfo) SeekToStart(s io.Seeker) (int64, error)

type BoxPath 

type BoxPath []BoxType

type BoxType 

type BoxType [4]byte

func BoxTypeAny 

func BoxTypeAny() BoxType

func BoxTypeMeta 

func BoxTypeMeta() BoxType

func BoxTypeMoov 

func BoxTypeMoov() BoxType

func BoxTypeMvhd 

func BoxTypeMvhd() BoxType

func StrToBoxType 

func StrToBoxType(code string) BoxType

func (BoxType) IsSupportedVersion 

func (boxType BoxType) IsSupportedVersion(ver uint8, ctx Context) bool

func (BoxType) MatchWith 

func (lhs BoxType) MatchWith(rhs BoxType) bool

func (BoxType) New 

func (boxType BoxType) New(ctx Context) (IBox, error)

func (BoxType) String 

func (boxType BoxType) String() string

type CompatibleBrandElem 

type CompatibleBrandElem struct {
	CompatibleBrand [4]byte `mp4:"0,size=8,string"`
}

type Context 

type Context struct {
	IsQuickTimeCompatible bool
	UnderWave             bool
	UnderIlst             bool
	UnderIlstMeta         bool
	UnderIlstFreeMeta     bool
	UnderUdta             bool
}

type Ftyp 

type Ftyp struct {
	Box
	MajorBrand       [4]byte               `mp4:"0,size=8,string"`
	MinorVersion     uint32                `mp4:"1,size=32"`
	CompatibleBrands []CompatibleBrandElem `mp4:"2,size=32"` // reach to end of the box
}

func (*Ftyp) HasCompatibleBrand 

func (ftyp *Ftyp) HasCompatibleBrand(cb [4]byte) bool

type FullBox 

type FullBox struct {
	BaseCustomFieldObject
	Version uint8   `mp4:"0,size=8"`
	Flags   [3]byte `mp4:"1,size=8"`
}

func (*FullBox) AddFlag 

func (box *FullBox) AddFlag(flag uint32)

AddFlag adds the flag

func (*FullBox) CheckFlag 

func (box *FullBox) CheckFlag(flag uint32) bool

CheckFlag checks the flag status

func (*FullBox) GetFlags 

func (box *FullBox) GetFlags() uint32

GetFlags returns the flags

func (*FullBox) GetVersion 

func (box *FullBox) GetVersion() uint8

GetVersion returns the box version

func (*FullBox) RemoveFlag 

func (box *FullBox) RemoveFlag(flag uint32)

RemoveFlag removes the flag

func (*FullBox) SetFlags 

func (box *FullBox) SetFlags(flags uint32)

SetFlags sets the flags

func (*FullBox) SetVersion 

func (box *FullBox) SetVersion(version uint8)

SetVersion sets the box version

type IAnyType 

type IAnyType interface {
	IBox
	SetType(BoxType)
}

type IBox 

type IBox interface {
	IImmutableBox
	SetVersion(uint8)
	SetFlags(uint32)
	AddFlag(uint32)
	RemoveFlag(uint32)
}

IBox is common interface of box

func UnmarshalAny 

func UnmarshalAny(r io.ReadSeeker, boxType BoxType, payloadSize uint64, ctx Context) (box IBox, n uint64, err error)

type ICustomFieldObject 

type ICustomFieldObject interface {
	GetFieldSize(name string, ctx Context) uint
	GetFieldLength(name string, ctx Context) uint
	IsOptFieldEnabled(name string, ctx Context) bool
	BeforeUnmarshal(r io.ReadSeeker, size uint64, ctx Context) (n uint64, override bool, err error)
	OnReadField(name string, r ReadSeeker, leftBits uint64, ctx Context) (rbits uint64, override bool, err error)
}

type IImmutableBox 

type IImmutableBox interface {
	ICustomFieldObject
	GetVersion() uint8
	GetFlags() uint32
	CheckFlag(uint32) bool
	GetType() BoxType
}

type Logger 

type Logger struct {
	Level  int
	Prefix string
}

Logger is the logging struct.

func NewLogger 

func NewLogger(prefix string) *Logger

NewLogger returns a new Logger instance.

func (*Logger) Debug 

func (l *Logger) Debug(v ...any)

func (*Logger) Error 

func (l *Logger) Error(v ...any)

Log logs a message at the given level.

func (*Logger) Info 

func (l *Logger) Info(v ...any)

func (*Logger) Lev 

func (l *Logger) Lev() string

func (*Logger) Panic 

func (l *Logger) Panic(v ...any)

func (*Logger) SetLevel 

func (l *Logger) SetLevel(level string) *Logger

SetLevelString sets the level string

func (*Logger) Warn 

func (l *Logger) Warn(v ...any)

func (*Logger) WinTerminal 

func (l *Logger) WinTerminal() bool

type Meta 

type Meta struct {
	FullBox `mp4:"0,extend"`
}

func (*Meta) BeforeUnmarshal 

func (meta *Meta) BeforeUnmarshal(r io.ReadSeeker, _ uint64, _ Context) (n uint64, override bool, err error)

func (*Meta) GetType 

func (*Meta) GetType() BoxType

GetType returns the BoxType

type Moov 

type Moov struct {
	Box
}

func (*Moov) GetType 

func (*Moov) GetType() BoxType

GetType returns the BoxType

type Mvhd 

type Mvhd struct {
	FullBox            `mp4:"0,extend"`
	CreationTimeV0     uint32    `mp4:"1,size=32,ver=0"`
	ModificationTimeV0 uint32    `mp4:"2,size=32,ver=0"`
	CreationTimeV1     uint64    `mp4:"3,size=64,ver=1"`
	ModificationTimeV1 uint64    `mp4:"4,size=64,ver=1"`
	Timescale          uint32    `mp4:"5,size=32"`
	DurationV0         uint32    `mp4:"6,size=32,ver=0"`
	DurationV1         uint64    `mp4:"7,size=64,ver=1"`
	Rate               int32     `mp4:"8,size=32"`
	Volume             int16     `mp4:"9,size=16"`
	Reserved           int16     `mp4:"10,size=16,const=0"`
	Reserved2          [2]uint32 `mp4:"11,size=32,const=0"`
	Matrix             [9]int32  `mp4:"12,size=32,hex"`
	PreDefined         [6]int32  `mp4:"13,size=32"`
	NextTrackID        uint32    `mp4:"14,size=32"`
}

Mvhd is ISOBMFF mvhd box type

func (*Mvhd) AddFlag 

func (*Mvhd) AddFlag(_ uint32)

func (*Mvhd) GetCreationTime 

func (mvhd *Mvhd) GetCreationTime() uint64

func (*Mvhd) GetDuration 

func (mvhd *Mvhd) GetDuration() uint64

func (*Mvhd) GetModificationTime 

func (mvhd *Mvhd) GetModificationTime() uint64

func (*Mvhd) GetRate 

func (mvhd *Mvhd) GetRate() float64

GetRate returns value of rate as float64

func (*Mvhd) GetRateInt 

func (mvhd *Mvhd) GetRateInt() int16

GetRateInt returns value of rate as int16

func (*Mvhd) GetType 

func (*Mvhd) GetType() BoxType

GetType returns the BoxType

type PingParams 

type PingParams struct {
	PingID int64
}

func (*PingParams) CRC 

func (*PingParams) CRC() uint32

type ProbeInfo 

type ProbeInfo struct {
	FastStart bool
	Timescale uint32
	Duration  uint64
}

type ReadHandle 

type ReadHandle struct {
	Params      []interface{}
	BoxInfo     BoxInfo
	Path        BoxPath
	ReadPayload func() (box IBox, n uint64, err error)
	ReadData    func(io.Writer) (n uint64, err error)
	Expand      func(params ...interface{}) (vals []interface{}, err error)
}

type ReadHandler 

type ReadHandler func(handle *ReadHandle) (val interface{}, err error)

type ReadSeeker 

type ReadSeeker interface {
	Reader
	io.Seeker
}

func NewReadSeeker 

func NewReadSeeker(r io.ReadSeeker) ReadSeeker

type Reader 

type Reader interface {
	io.Reader

	// alignment:
	//  |-1-byte-block-|--------------|--------------|--------------|
	//  |<-offset->|<-------------------width---------------------->|
	ReadBits(width uint) (data []byte, err error)

	ReadBit() (bit bool, err error)
}

func NewReader 

func NewReader(r io.Reader) Reader

type SyncIntObjectChan 

type SyncIntObjectChan struct {
	// contains filtered or unexported fields
}

func NewSyncIntObjectChan 

func NewSyncIntObjectChan() *SyncIntObjectChan

func (*SyncIntObjectChan) Add 

func (s *SyncIntObjectChan) Add(key int, value chan tl.Object)

func (*SyncIntObjectChan) Close 

func (s *SyncIntObjectChan) Close()

func (*SyncIntObjectChan) Delete 

func (s *SyncIntObjectChan) Delete(key int) bool

func (*SyncIntObjectChan) Get 

func (s *SyncIntObjectChan) Get(key int) (chan tl.Object, bool)

func (*SyncIntObjectChan) Has 

func (s *SyncIntObjectChan) Has(key int) bool

func (*SyncIntObjectChan) Keys 

func (s *SyncIntObjectChan) Keys() []int

func (*SyncIntObjectChan) Reset 

func (s *SyncIntObjectChan) Reset()

type SyncIntReflectTypes 

type SyncIntReflectTypes struct {
	// contains filtered or unexported fields
}

func NewSyncIntReflectTypes 

func NewSyncIntReflectTypes() *SyncIntReflectTypes

func (*SyncIntReflectTypes) Add 

func (s *SyncIntReflectTypes) Add(key int, value []reflect.Type)

func (*SyncIntReflectTypes) Delete 

func (s *SyncIntReflectTypes) Delete(key int) bool

func (*SyncIntReflectTypes) Get 

func (s *SyncIntReflectTypes) Get(key int) ([]reflect.Type, bool)

func (*SyncIntReflectTypes) Has 

func (s *SyncIntReflectTypes) Has(key int) bool

func (*SyncIntReflectTypes) Keys 

func (s *SyncIntReflectTypes) Keys() []int

func (*SyncIntReflectTypes) Reset 

func (s *SyncIntReflectTypes) Reset()

type SyncSetInt 

type SyncSetInt struct {
	// contains filtered or unexported fields
}

func NewSyncSetInt 

func NewSyncSetInt() *SyncSetInt

func (*SyncSetInt) Add 

func (s *SyncSetInt) Add(key int) bool

func (*SyncSetInt) Delete 

func (s *SyncSetInt) Delete(key int) bool

func (*SyncSetInt) Has 

func (s *SyncSetInt) Has(key int) bool

func (*SyncSetInt) Reset 

func (s *SyncSetInt) Reset()

type UpdatesGetStateParams 

type UpdatesGetStateParams struct{}

func (*UpdatesGetStateParams) CRC 

func (*UpdatesGetStateParams) CRC() uint32

Source Files

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