mp4ff

package module
v1.1.2 Latest Latest
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 Go to latest Published: Jun 1, 2022 License: OSL-3.0 Imports: 4 Imported by: 0

README

mp4ff

https://godocs.io/github.com/89z/mp4ff

Here are the types we need:

File
Fragment
InitializationVector
MediaSegment
MoofBox
SencBox
SubSamplePattern
TrafBox

Documentation

Index

Constants

This section is empty.

Variables

View Source 
var ErrNotReedSeeker = errors.New("reader does not support Seek")

ESBPReader errors

View Source 
var ErrSliceRead = fmt.Errorf("Read too far in SliceReader")

SliceReader errors

View Source 
var ErrSliceWriter = errors.New("overflow in SliceWriter")

Functions

This section is empty.

Types

type AccErrEBSPReader 

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

AccErrEBSPReader - Reader that drops start code emulation 0x03 after two bytes of 0x00

func NewAccErrEBSPReader 

func NewAccErrEBSPReader(rd io.Reader) *AccErrEBSPReader

NewAccErrEBSPReader - return a new reader accumulating errors.

func (*AccErrEBSPReader) AccError 

func (r *AccErrEBSPReader) AccError() error

AccError - accumulated error

func (*AccErrEBSPReader) Read 

func (r *AccErrEBSPReader) Read(n int) uint

Read - read n bits and return 0 if (previous) error

func (*AccErrEBSPReader) SetError 

func (r *AccErrEBSPReader) SetError(err error)

SetError - set an error if not already set.

type FixedSliceReader 

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

FixedSliceReader - read integers and other data from a fixed slice. Accumulates error, and the first error can be retrieved. If err != nil, 0 or empty string is returned

func NewFixedSliceReader 

func NewFixedSliceReader(data []byte) *FixedSliceReader

bits.NewFixedSliceReader - create a new slice reader reading from data

func NewFixedSliceReaderWithSize 

func NewFixedSliceReaderWithSize(size int) *FixedSliceReader

bits.NewFixedSliceReader - create a new slice reader reading from data

func (*FixedSliceReader) AccError 

func (s *FixedSliceReader) AccError() error

AccError - get accumulated error after read operations

func (*FixedSliceReader) GetPos 

func (s *FixedSliceReader) GetPos() int

GetPos - get read position is slice

func (*FixedSliceReader) Length 

func (s *FixedSliceReader) Length() int

Length - get length of slice

func (*FixedSliceReader) NrRemainingBytes 

func (s *FixedSliceReader) NrRemainingBytes() int

NrRemainingBytes - return number of bytes remaining

func (*FixedSliceReader) ReadBytes 

func (s *FixedSliceReader) ReadBytes(n int) []byte

ReadBytes - read a slice of n bytes Return empty slice if n bytes not available

func (*FixedSliceReader) ReadFixedLengthString 

func (s *FixedSliceReader) ReadFixedLengthString(n int) string

ReadFixedLengthString - read string of specified length n. Sets err and returns empty string if full length not available

func (*FixedSliceReader) ReadInt16 

func (s *FixedSliceReader) ReadInt16() int16

ReadInt16 - read int16 from slice

func (*FixedSliceReader) ReadInt32 

func (s *FixedSliceReader) ReadInt32() int32

ReadInt32 - read int32 from slice

func (*FixedSliceReader) ReadInt64 

func (s *FixedSliceReader) ReadInt64() int64

ReadInt64 - read int64 from slice

func (*FixedSliceReader) ReadUint16 

func (s *FixedSliceReader) ReadUint16() uint16

ReadUint16 - read uint16 from slice

func (*FixedSliceReader) ReadUint24 

func (s *FixedSliceReader) ReadUint24() uint32

ReadUint24 - read uint24 from slice

func (*FixedSliceReader) ReadUint32 

func (s *FixedSliceReader) ReadUint32() uint32

ReadUint32 - read uint32 from slice

func (*FixedSliceReader) ReadUint64 

func (s *FixedSliceReader) ReadUint64() uint64

ReadUint64 - read uint64 from slice

func (*FixedSliceReader) ReadUint8 

func (s *FixedSliceReader) ReadUint8() byte

ReadUint8 - read uint8 from slice

func (*FixedSliceReader) ReadZeroTerminatedString 

func (s *FixedSliceReader) ReadZeroTerminatedString(maxLen int) string

ReadZeroTerminatedString - read string until zero byte but at most maxLen Set err and return empty string if no zero byte found

func (*FixedSliceReader) RemainingBytes 

func (s *FixedSliceReader) RemainingBytes() []byte

RemainingBytes - return remaining bytes of this slice

func (*FixedSliceReader) SetPos 

func (s *FixedSliceReader) SetPos(pos int)

SetPos - set read position is slice

func (*FixedSliceReader) SkipBytes 

func (s *FixedSliceReader) SkipBytes(n int)

SkipBytes - skip passed n bytes

type FixedSliceWriter 

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

FixedSliceWriter - write numbers to a fixed []byte slice

func NewFixedSliceWriter 

func NewFixedSliceWriter(size int) *FixedSliceWriter

NewSliceWriter - create slice writer with fixed size.

func NewFixedSliceWriterFromSlice 

func NewFixedSliceWriterFromSlice(data []byte) *FixedSliceWriter

NewFixedSliceWriter - create writer around slice. The slice will not grow, but stay the same size. If too much data is written, there will be an accumuluated error. Can be retrieved with AccError()

func (*FixedSliceWriter) AccError 

func (sw *FixedSliceWriter) AccError() error

AccError - return accumulated erro

func (*FixedSliceWriter) Bytes 

func (sw *FixedSliceWriter) Bytes() []byte

Bytes - return buf up to what's written

func (*FixedSliceWriter) Offset 

func (sw *FixedSliceWriter) Offset() int

Offset - offset for writing in FixedSliceWriter buffer

func (*FixedSliceWriter) WriteBits 

func (sw *FixedSliceWriter) WriteBits(bits uint, n int)

func (*FixedSliceWriter) WriteBytes 

func (sw *FixedSliceWriter) WriteBytes(byteSlice []byte)

WriteBytes - write []byte

func (*FixedSliceWriter) WriteInt16 

func (sw *FixedSliceWriter) WriteInt16(n int16)

WriteInt16 - write int16 to slice

func (*FixedSliceWriter) WriteInt32 

func (sw *FixedSliceWriter) WriteInt32(n int32)

WriteInt32 - write int32 to slice

func (*FixedSliceWriter) WriteInt64 

func (sw *FixedSliceWriter) WriteInt64(n int64)

WriteInt64 - write int64 to slice

func (*FixedSliceWriter) WriteString 

func (sw *FixedSliceWriter) WriteString(s string, addZeroEnd bool)

WriteString - write string to slice with or without zero end

func (*FixedSliceWriter) WriteUint16 

func (sw *FixedSliceWriter) WriteUint16(n uint16)

WriteUint16 - write uint16 to slice

func (*FixedSliceWriter) WriteUint32 

func (sw *FixedSliceWriter) WriteUint32(n uint32)

WriteUint32 - write uint32 to slice

func (*FixedSliceWriter) WriteUint64 

func (sw *FixedSliceWriter) WriteUint64(n uint64)

WriteUint64 - write uint64 to slice

func (*FixedSliceWriter) WriteUint8 

func (sw *FixedSliceWriter) WriteUint8(n byte)

WriteUint8 - write byte to slice

func (*FixedSliceWriter) WriteZeroBytes 

func (sw *FixedSliceWriter) WriteZeroBytes(n int)

WriteZeroBytes - write n byte of zeroes

type SliceReader 

type SliceReader interface {
	AccError() error
	GetPos() int
	NrRemainingBytes() int
	ReadBytes(n int) []byte
	ReadFixedLengthString(n int) string
	ReadInt32() int32
	ReadInt64() int64
	ReadUint16() uint16
	ReadUint32() uint32
	ReadUint64() uint64
	ReadUint8() byte
	ReadZeroTerminatedString(maxLen int) string
	SkipBytes(n int)
}

type SliceWriter 

type SliceWriter interface {
	AccError() error
	WriteBits(bits uint, n int)
	WriteBytes(byteSlice []byte)
	WriteInt16(n int16)
	WriteInt32(n int32)
	WriteInt64(n int64)
	WriteString(s string, addZeroEnd bool)
	WriteUint16(n uint16)
	WriteUint32(n uint32)
	WriteUint64(n uint64)
	WriteUint8(n byte)
}

Source Files

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Directories

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