sofia package

import "41.neocities.org/sofia"

Index ¶

• Constants
• type Box
  • func (b *Box) Append(data []byte) ([]byte, error)
  • func (b *Box) Read(data []byte) error
• type BoxError
  • func (b *BoxError) Error() string
• type BoxHeader
  • func (b *BoxHeader) Append(data []byte) ([]byte, error)
  • func (b *BoxHeader) Decode(data []byte) (int, error)
  • func (b *BoxHeader) GetSize() int
• type FullBoxHeader
  • func (f *FullBoxHeader) GetFlags() uint32
• type SampleEntry
  • func (s *SampleEntry) Append(data []byte) ([]byte, error)
  • func (s *SampleEntry) Decode(data []byte) (int, error)
• type Type
  • func (t Type) String() string
• type Uuid
  • func (u *Uuid) String() string

Constants ¶

const PiffExtendedType = "a2394f525a9b4f14a2446c427c648df4"

type Box ¶

type Box struct {
	BoxHeader BoxHeader
	Payload   []byte
}

ISO/IEC 14496-12

aligned(8) class Box(
   unsigned int(32) boxtype,
   optional unsigned int(8)[16] extended_type
) {
   BoxHeader(boxtype, extended_type);
   // the remaining bytes are the BoxPayload
}

func (*Box) Append ¶

func (b *Box) Append(data []byte) ([]byte, error)

func (*Box) Read ¶

func (b *Box) Read(data []byte) error

type BoxError ¶

type BoxError struct {
	Container BoxHeader
	Box       BoxHeader
}

func (*BoxError) Error ¶

func (b *BoxError) Error() string

type BoxHeader ¶

type BoxHeader struct {
	Size     uint32
	Type     Type
	UserType *Uuid
}

ISO/IEC 14496-12

aligned(8) class BoxHeader(
   unsigned int(32) boxtype,
   optional unsigned int(8)[16] extended_type
) {
   unsigned int(32) size;
   unsigned int(32) type = boxtype;
   if (size==1) {
      unsigned int(64) largesize;
   } else if (size==0) {
      // box extends to end of file
   }
   if (boxtype=='uuid') {
      unsigned int(8)[16] usertype = extended_type;
   }
}

func (*BoxHeader) Append ¶

func (b *BoxHeader) Append(data []byte) ([]byte, error)

func (*BoxHeader) Decode ¶

func (b *BoxHeader) Decode(data []byte) (int, error)

func (*BoxHeader) GetSize ¶

func (b *BoxHeader) GetSize() int

type FullBoxHeader ¶

type FullBoxHeader struct {
	Version uint8
	Flags   [3]byte
}

ISO/IEC 14496-12

aligned(8) class FullBoxHeader(unsigned int(8) v, bit(24) f) {
   unsigned int(8) version = v;
   bit(24) flags = f;
}

func (*FullBoxHeader) GetFlags ¶

func (f *FullBoxHeader) GetFlags() uint32

type SampleEntry ¶

type SampleEntry struct {
	BoxHeader          BoxHeader
	DataReferenceIndex uint16
	// contains filtered or unexported fields
}

ISO/IEC 14496-12

aligned(8) abstract class SampleEntry(
   unsigned int(32) format
) extends Box(format) {
   const unsigned int(8)[6] reserved = 0;
   unsigned int(16) data_reference_index;
}

func (*SampleEntry) Append ¶

func (s *SampleEntry) Append(data []byte) ([]byte, error)

func (*SampleEntry) Decode ¶

func (s *SampleEntry) Decode(data []byte) (int, error)

type Type ¶

type Type [4]uint8

func (Type) String ¶

func (t Type) String() string

type Uuid ¶

type Uuid [16]uint8

func (*Uuid) String ¶

func (u *Uuid) String() string

Source Files ¶

sofia.go

Directories ¶

Forge ¶

https://github.com/3052/sofia

https://github.com/3052/sofia.git
git@github.com:3052/sofia.git