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mp4

package module

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Versions in this module

v0

v0.1.4

Nov 10, 2015

v0.1.3

Nov 9, 2015

v0.1.2

Nov 3, 2015

Changes in this version

+ type BadFormatErr struct

+ func (b *BadFormatErr) Error() string

v0.1.1

Oct 26, 2015

v0.1.0

Oct 26, 2015

Changes in this version

+ var ErrBadFormat = errors.New("bad format")

+ var ErrTruncatedHeader = errors.New("truncated header")

+ var ErrUnknownBoxType = errors.New("unknown box type")

+ func AddHeaderSize(size uint64) uint64

+ func AppendError(err1 error, err2 error) error

+ func EncodeHeader(b Box, w io.Writer) error

+ func HeaderSizeFor(size uint64) uint64

+ func RemoveHeaderSize(size uint64) uint64

+ type Box interface

+ Encode func(w io.Writer) error

+ Size func() uint64

+ Type func() string

+ func DecodeBox(h BoxHeader, r io.Reader) (Box, error)

+ func DecodeChpl(r io.Reader, size uint64) (Box, error)

+ func DecodeCo64(r io.Reader, size uint64) (Box, error)

+ func DecodeContainer(r io.Reader, size uint64) ([]Box, error)

+ func DecodeCtts(r io.Reader, size uint64) (Box, error)

+ func DecodeDinf(r io.Reader, size uint64) (Box, error)

+ func DecodeDref(r io.Reader, size uint64) (Box, error)

+ func DecodeEdts(r io.Reader, size uint64) (Box, error)

+ func DecodeElst(r io.Reader, size uint64) (Box, error)

+ func DecodeFree(r io.Reader, size uint64) (Box, error)

+ func DecodeFtyp(r io.Reader, size uint64) (Box, error)

+ func DecodeGmhd(r io.Reader, size uint64) (Box, error)

+ func DecodeHdlr(r io.Reader, size uint64) (Box, error)

+ func DecodeIods(r io.Reader, size uint64) (Box, error)

+ func DecodeMdat(r io.Reader, size uint64) (Box, error)

+ func DecodeMdhd(r io.Reader, size uint64) (Box, error)

+ func DecodeMdia(r io.Reader, size uint64) (Box, error)

+ func DecodeMeta(r io.Reader, size uint64) (Box, error)

+ func DecodeMinf(r io.Reader, size uint64) (Box, error)

+ func DecodeMoov(r io.Reader, size uint64) (Box, error)

+ func DecodeMvhd(r io.Reader, size uint64) (Box, error)

+ func DecodeName(r io.Reader, size uint64) (Box, error)

+ func DecodeSbgp(r io.Reader, size uint64) (Box, error)

+ func DecodeSdtp(r io.Reader, size uint64) (Box, error)

+ func DecodeSgpd(r io.Reader, size uint64) (Box, error)

+ func DecodeSmhd(r io.Reader, size uint64) (Box, error)

+ func DecodeStbl(r io.Reader, size uint64) (Box, error)

+ func DecodeStco(r io.Reader, size uint64) (Box, error)

+ func DecodeStsc(r io.Reader, size uint64) (Box, error)

+ func DecodeStsd(r io.Reader, size uint64) (Box, error)

+ func DecodeStss(r io.Reader, size uint64) (Box, error)

+ func DecodeStsz(r io.Reader, size uint64) (Box, error)

+ func DecodeStts(r io.Reader, size uint64) (Box, error)

+ func DecodeTkhd(r io.Reader, size uint64) (Box, error)

+ func DecodeTrak(r io.Reader, size uint64) (Box, error)

+ func DecodeTref(r io.Reader, size uint64) (Box, error)

+ func DecodeUdta(r io.Reader, size uint64) (Box, error)

+ func DecodeVmhd(r io.Reader, size uint64) (Box, error)

+ type BoxHeader struct

+ Size uint64

+ Type string

+ func DecodeHeader(r io.Reader) (BoxHeader, error)

+ type ChplBox struct

+ func (b *ChplBox) Encode(w io.Writer) error

+ func (b *ChplBox) Size() uint64

+ func (b *ChplBox) Type() string

+ type Co64Box struct

+ ChunkOffset []uint64

+ Flags [3]byte

+ Version byte

+ func (b *Co64Box) Dump()

+ func (b *Co64Box) Encode(w io.Writer) error

+ func (b *Co64Box) Size() uint64

+ func (b *Co64Box) Type() string

+ type CttsBox struct

+ Flags [3]byte

+ SampleCount []uint32

+ SampleOffset []uint32

+ Version byte

+ func (b *CttsBox) Encode(w io.Writer) error

+ func (b *CttsBox) Size() uint64

+ func (b *CttsBox) Type() string

+ type DinfBox struct

+ Dref *DrefBox

+ func (b *DinfBox) Encode(w io.Writer) error

+ func (b *DinfBox) Size() uint64

+ func (b *DinfBox) Type() string

+ type DrefBox struct

+ Flags [3]byte

+ Version byte

+ func (b *DrefBox) Encode(w io.Writer) error

+ func (b *DrefBox) Size() uint64

+ func (b *DrefBox) Type() string

+ type EdtsBox struct

+ Elst *ElstBox

+ func (b *EdtsBox) Dump()

+ func (b *EdtsBox) Encode(w io.Writer) error

+ func (b *EdtsBox) Size() uint64

+ func (b *EdtsBox) Type() string

+ type ElstBox struct

+ Flags [3]byte

+ MediaRateFraction []uint16

+ MediaRateInteger []uint16

+ MediaTime []uint32

+ SegmentDuration []uint32

+ Version byte

+ func (b *ElstBox) Dump()

+ func (b *ElstBox) Encode(w io.Writer) error

+ func (b *ElstBox) Size() uint64

+ func (b *ElstBox) Type() string

+ type Fixed16 uint16

+ func (f Fixed16) String() string

+ type Fixed32 uint32

+ func (f Fixed32) String() string

+ type FreeBox struct

+ func (b *FreeBox) Encode(w io.Writer) error

+ func (b *FreeBox) Size() uint64

+ func (b *FreeBox) Type() string

+ type FtypBox struct

+ CompatibleBrands []string

+ MajorBrand string

+ MinorVersion []byte

+ func (b *FtypBox) Dump()

+ func (b *FtypBox) Encode(w io.Writer) error

+ func (b *FtypBox) Size() uint64

+ func (b *FtypBox) Type() string

+ type GmhdBox struct

+ func (b *GmhdBox) Encode(w io.Writer) error

+ func (b *GmhdBox) Size() uint64

+ func (b *GmhdBox) Type() string

+ type HdlrBox struct

+ Flags [3]byte

+ HandlerType string

+ Name string

+ PreDefined uint32

+ Version byte

+ func (b *HdlrBox) Encode(w io.Writer) error

+ func (b *HdlrBox) Size() uint64

+ func (b *HdlrBox) Type() string

+ type IodsBox struct

+ func (b *IodsBox) Encode(w io.Writer) error

+ func (b *IodsBox) Size() uint64

+ func (b *IodsBox) Type() string

+ type MP4 struct

+ Ftyp *FtypBox

+ Mdat *MdatBox

+ Moov *MoovBox

+ func Decode(rr RangeReader) (*MP4, error)

+ func (m *MP4) AudioVolume() float64

+ func (m *MP4) Boxes() []Box

+ func (m *MP4) Dump()

+ func (m *MP4) Duration() time.Duration

+ func (m *MP4) Encode(w io.Writer) error

+ func (m *MP4) Size() (size uint64)

+ func (m *MP4) VideoDimensions() (int, int)

+ type MdatBox struct

+ ContentSize uint64

+ Offset uint64

+ func (b *MdatBox) Encode(w io.Writer) error

+ func (b *MdatBox) Size() uint64

+ func (b *MdatBox) Type() string

+ type MdhdBox struct

+ CreationTime uint64

+ Duration uint64

+ Flags [3]byte

+ Language uint16

+ ModificationTime uint64

+ Timescale uint32

+ Version byte

+ func (b *MdhdBox) Dump()

+ func (b *MdhdBox) Encode(w io.Writer) error

+ func (b *MdhdBox) Size() uint64

+ func (b *MdhdBox) Type() string

+ type MdiaBox struct

+ Hdlr *HdlrBox

+ Mdhd *MdhdBox

+ Minf *MinfBox

+ func (b *MdiaBox) Dump()

+ func (b *MdiaBox) Encode(w io.Writer) error

+ func (b *MdiaBox) Size() uint64

+ func (b *MdiaBox) Type() string

+ type MetaBox struct

+ Flags [3]byte

+ Version byte

+ func (b *MetaBox) Encode(w io.Writer) error

+ func (b *MetaBox) Size() uint64

+ func (b *MetaBox) Type() string

+ type MinfBox struct

+ Dinf *DinfBox

+ Gmhd *GmhdBox

+ Hdlr *HdlrBox

+ Smhd *SmhdBox

+ Stbl *StblBox

+ Vmhd *VmhdBox

+ func (b *MinfBox) Dump()

+ func (b *MinfBox) Encode(w io.Writer) error

+ func (b *MinfBox) Size() uint64

+ func (b *MinfBox) Type() string

+ type MoovBox struct

+ Iods *IodsBox

+ Mvhd *MvhdBox

+ Trak []*TrakBox

+ Udta *UdtaBox

+ func (b *MoovBox) Dump()

+ func (b *MoovBox) Encode(w io.Writer) error

+ func (b *MoovBox) Size() uint64

+ func (b *MoovBox) Type() string

+ type MvhdBox struct

+ CreationTime uint64

+ Duration uint64

+ Flags [3]byte

+ Matrix []byte

+ ModificationTime uint64

+ NextTrackID uint32

+ Rate Fixed32

+ Timescale uint32

+ Version byte

+ Volume Fixed16

+ func (b *MvhdBox) Dump()

+ func (b *MvhdBox) Encode(w io.Writer) error

+ func (b *MvhdBox) Size() uint64

+ func (b *MvhdBox) Type() string

+ type NameBox struct

+ func (b *NameBox) Encode(w io.Writer) error

+ func (b *NameBox) Size() uint64

+ func (b *NameBox) Type() string

+ type RangeReader interface

+ RangeRead func(start, length uint64) (io.ReadCloser, error)

+ type SbgpBox struct

+ func (b *SbgpBox) Encode(w io.Writer) error

+ func (b *SbgpBox) Size() uint64

+ func (b *SbgpBox) Type() string

+ type SdtpBox struct

+ func (b *SdtpBox) Encode(w io.Writer) error

+ func (b *SdtpBox) Size() uint64

+ func (b *SdtpBox) Type() string

+ type SgpdBox struct

+ func (b *SgpdBox) Encode(w io.Writer) error

+ func (b *SgpdBox) Size() uint64

+ func (b *SgpdBox) Type() string

+ type SmhdBox struct

+ Balance uint16

+ Flags [3]byte

+ Version byte

+ func (b *SmhdBox) Encode(w io.Writer) error

+ func (b *SmhdBox) Size() uint64

+ func (b *SmhdBox) Type() string

+ type StblBox struct

+ Co64 *Co64Box

+ Ctts *CttsBox

+ Stco *StcoBox

+ Stsc *StscBox

+ Stsd *StsdBox

+ Stss *StssBox

+ Stsz *StszBox

+ Stts *SttsBox

+ func (b *StblBox) Dump()

+ func (b *StblBox) Encode(w io.Writer) error

+ func (b *StblBox) Size() uint64

+ func (b *StblBox) Type() string

+ type StcoBox struct

+ ChunkOffset []uint32

+ Flags [3]byte

+ Version byte

+ func (b *StcoBox) Dump()

+ func (b *StcoBox) Encode(w io.Writer) error

+ func (b *StcoBox) Size() uint64

+ func (b *StcoBox) Type() string

+ type StscBox struct

+ FirstChunk []uint32

+ Flags [3]byte

+ SampleDescriptionID []uint32

+ SamplesPerChunk []uint32

+ Version byte

+ func (b *StscBox) Dump()

+ func (b *StscBox) Encode(w io.Writer) error

+ func (b *StscBox) Size() uint64

+ func (b *StscBox) Type() string

+ type StsdBox struct

+ Flags [3]byte

+ Version byte

+ func (b *StsdBox) Encode(w io.Writer) error

+ func (b *StsdBox) Size() uint64

+ func (b *StsdBox) Type() string

+ type StssBox struct

+ Flags [3]byte

+ SampleNumber []uint32

+ Version byte

+ func (b *StssBox) Dump()

+ func (b *StssBox) Encode(w io.Writer) error

+ func (b *StssBox) Size() uint64

+ func (b *StssBox) Type() string

+ type StszBox struct

+ Flags [3]byte

+ SampleNumber uint32

+ SampleSize []uint32

+ SampleUniformSize uint32

+ Version byte

+ func (b *StszBox) Dump()

+ func (b *StszBox) Encode(w io.Writer) error

+ func (b *StszBox) GetSampleSize(i int) uint32

+ func (b *StszBox) Size() uint64

+ func (b *StszBox) Type() string

+ type SttsBox struct

+ Flags [3]byte

+ SampleCount []uint32

+ SampleTimeDelta []uint32

+ Version byte

+ func (b *SttsBox) Dump()

+ func (b *SttsBox) Encode(w io.Writer) error

+ func (b *SttsBox) GetTimeCode(sample uint32) (units uint32)

+ func (b *SttsBox) Size() uint64

+ func (b *SttsBox) Type() string

+ type TkhdBox struct

+ AlternateGroup uint16

+ CreationTime uint64

+ Duration uint64

+ Flags [3]byte

+ Height Fixed32

+ Layer uint16

+ Matrix []byte

+ ModificationTime uint64

+ TrackID uint32

+ Version byte

+ Volume Fixed16

+ Width Fixed32

+ func (b *TkhdBox) Dump()

+ func (b *TkhdBox) Encode(w io.Writer) error

+ func (b *TkhdBox) Size() uint64

+ func (b *TkhdBox) Type() string

+ type TrakBox struct

+ Edts *EdtsBox

+ Mdia *MdiaBox

+ Tkhd *TkhdBox

+ Tref *TrefBox

+ Udta *UdtaBox

+ func (b *TrakBox) Dump()

+ func (b *TrakBox) Encode(w io.Writer) error

+ func (b *TrakBox) Size() uint64

+ func (b *TrakBox) Type() string

+ type TrefBox struct

+ func (b *TrefBox) Encode(w io.Writer) error

+ func (b *TrefBox) Size() uint64

+ func (b *TrefBox) Type() string

+ type UdtaBox struct

+ Chpl *ChplBox

+ Meta *MetaBox

+ Name *NameBox

+ func (b *UdtaBox) Encode(w io.Writer) error

+ func (b *UdtaBox) Size() uint64

+ func (b *UdtaBox) Type() string

+ type UniBox struct

+ func DecodeUni(header BoxHeader) *UniBox

+ func (u *UniBox) Decode(r io.Reader, size uint64) (Box, error)

+ func (u *UniBox) Encode(w io.Writer) error

+ func (u *UniBox) Size() uint64

+ func (u *UniBox) Type() string

+ type VmhdBox struct

+ Flags [3]byte

+ GraphicsMode uint16

+ OpColor [3]uint16

+ Version byte

+ func (b *VmhdBox) Encode(w io.Writer) error

+ func (b *VmhdBox) Size() uint64

+ func (b *VmhdBox) Type() string