diff options
Diffstat (limited to 'vendor/github.com/abema/go-mp4/box.go')
-rw-r--r-- | vendor/github.com/abema/go-mp4/box.go | 188 |
1 files changed, 0 insertions, 188 deletions
diff --git a/vendor/github.com/abema/go-mp4/box.go b/vendor/github.com/abema/go-mp4/box.go deleted file mode 100644 index c69e89257..000000000 --- a/vendor/github.com/abema/go-mp4/box.go +++ /dev/null @@ -1,188 +0,0 @@ -package mp4 - -import ( - "errors" - "io" - "math" - - "github.com/abema/go-mp4/internal/bitio" -) - -const LengthUnlimited = math.MaxUint32 - -type ICustomFieldObject interface { - // GetFieldSize returns size of dynamic field - GetFieldSize(name string, ctx Context) uint - - // GetFieldLength returns length of dynamic field - GetFieldLength(name string, ctx Context) uint - - // IsOptFieldEnabled check whether if the optional field is enabled - IsOptFieldEnabled(name string, ctx Context) bool - - // StringifyField returns field value as string - StringifyField(name string, indent string, depth int, ctx Context) (string, bool) - - IsPString(name string, bytes []byte, remainingSize uint64, ctx Context) bool - - BeforeUnmarshal(r io.ReadSeeker, size uint64, ctx Context) (n uint64, override bool, err error) - - OnReadField(name string, r bitio.ReadSeeker, leftBits uint64, ctx Context) (rbits uint64, override bool, err error) - - OnWriteField(name string, w bitio.Writer, ctx Context) (wbits uint64, override bool, err error) -} - -type BaseCustomFieldObject struct { -} - -// GetFieldSize returns size of dynamic field -func (box *BaseCustomFieldObject) GetFieldSize(string, Context) uint { - panic(errors.New("GetFieldSize not implemented")) -} - -// GetFieldLength returns length of dynamic field -func (box *BaseCustomFieldObject) GetFieldLength(string, Context) uint { - panic(errors.New("GetFieldLength not implemented")) -} - -// IsOptFieldEnabled check whether if the optional field is enabled -func (box *BaseCustomFieldObject) IsOptFieldEnabled(string, Context) bool { - return false -} - -// StringifyField returns field value as string -func (box *BaseCustomFieldObject) StringifyField(string, string, int, Context) (string, bool) { - return "", false -} - -func (*BaseCustomFieldObject) IsPString(name string, bytes []byte, remainingSize uint64, ctx Context) bool { - return true -} - -func (*BaseCustomFieldObject) BeforeUnmarshal(io.ReadSeeker, uint64, Context) (uint64, bool, error) { - return 0, false, nil -} - -func (*BaseCustomFieldObject) OnReadField(string, bitio.ReadSeeker, uint64, Context) (uint64, bool, error) { - return 0, false, nil -} - -func (*BaseCustomFieldObject) OnWriteField(string, bitio.Writer, Context) (uint64, bool, error) { - return 0, false, nil -} - -// IImmutableBox is common interface of box -type IImmutableBox interface { - ICustomFieldObject - - // GetVersion returns the box version - GetVersion() uint8 - - // GetFlags returns the flags - GetFlags() uint32 - - // CheckFlag checks the flag status - CheckFlag(uint32) bool - - // GetType returns the BoxType - GetType() BoxType -} - -// IBox is common interface of box -type IBox interface { - IImmutableBox - - // SetVersion sets the box version - SetVersion(uint8) - - // SetFlags sets the flags - SetFlags(uint32) - - // AddFlag adds the flag - AddFlag(uint32) - - // RemoveFlag removes the flag - RemoveFlag(uint32) -} - -type Box struct { - BaseCustomFieldObject -} - -// GetVersion returns the box version -func (box *Box) GetVersion() uint8 { - return 0 -} - -// SetVersion sets the box version -func (box *Box) SetVersion(uint8) { -} - -// GetFlags returns the flags -func (box *Box) GetFlags() uint32 { - return 0x000000 -} - -// CheckFlag checks the flag status -func (box *Box) CheckFlag(flag uint32) bool { - return true -} - -// SetFlags sets the flags -func (box *Box) SetFlags(uint32) { -} - -// AddFlag adds the flag -func (box *Box) AddFlag(flag uint32) { -} - -// RemoveFlag removes the flag -func (box *Box) RemoveFlag(flag uint32) { -} - -// FullBox is ISOBMFF FullBox -type FullBox struct { - BaseCustomFieldObject - Version uint8 `mp4:"0,size=8"` - Flags [3]byte `mp4:"1,size=8"` -} - -// GetVersion returns the box version -func (box *FullBox) GetVersion() uint8 { - return box.Version -} - -// SetVersion sets the box version -func (box *FullBox) SetVersion(version uint8) { - box.Version = version -} - -// GetFlags returns the flags -func (box *FullBox) GetFlags() uint32 { - flag := uint32(box.Flags[0]) << 16 - flag ^= uint32(box.Flags[1]) << 8 - flag ^= uint32(box.Flags[2]) - return flag -} - -// CheckFlag checks the flag status -func (box *FullBox) CheckFlag(flag uint32) bool { - return box.GetFlags()&flag != 0 -} - -// SetFlags sets the flags -func (box *FullBox) SetFlags(flags uint32) { - box.Flags[0] = byte(flags >> 16) - box.Flags[1] = byte(flags >> 8) - box.Flags[2] = byte(flags) -} - -// AddFlag adds the flag -func (box *FullBox) AddFlag(flag uint32) { - box.SetFlags(box.GetFlags() | flag) -} - -// RemoveFlag removes the flag -func (box *FullBox) RemoveFlag(flag uint32) { - box.SetFlags(box.GetFlags() & (^flag)) -} |