diff options
Diffstat (limited to 'vendor/github.com/abema/go-mp4/internal')
5 files changed, 0 insertions, 238 deletions
diff --git a/vendor/github.com/abema/go-mp4/internal/bitio/bitio.go b/vendor/github.com/abema/go-mp4/internal/bitio/bitio.go deleted file mode 100644 index 404fd1b82..000000000 --- a/vendor/github.com/abema/go-mp4/internal/bitio/bitio.go +++ /dev/null @@ -1,8 +0,0 @@ -package bitio - -import "errors" - -var ( - ErrInvalidAlignment = errors.New("invalid alignment") - ErrDiscouragedReader = errors.New("discouraged reader implementation") -) diff --git a/vendor/github.com/abema/go-mp4/internal/bitio/read.go b/vendor/github.com/abema/go-mp4/internal/bitio/read.go deleted file mode 100644 index 4da76eae6..000000000 --- a/vendor/github.com/abema/go-mp4/internal/bitio/read.go +++ /dev/null @@ -1,97 +0,0 @@ -package bitio - -import "io" - -type Reader interface { - io.Reader - - // alignment: - // |-1-byte-block-|--------------|--------------|--------------| - // |<-offset->|<-------------------width---------------------->| - ReadBits(width uint) (data []byte, err error) - - ReadBit() (bit bool, err error) -} - -type ReadSeeker interface { - Reader - io.Seeker -} - -type reader struct { - reader io.Reader - octet byte - width uint -} - -func NewReader(r io.Reader) Reader { - return &reader{reader: r} -} - -func (r *reader) Read(p []byte) (n int, err error) { - if r.width != 0 { - return 0, ErrInvalidAlignment - } - return r.reader.Read(p) -} - -func (r *reader) ReadBits(size uint) ([]byte, error) { - bytes := (size + 7) / 8 - data := make([]byte, bytes) - offset := (bytes * 8) - (size) - - for i := uint(0); i < size; i++ { - bit, err := r.ReadBit() - if err != nil { - return nil, err - } - - byteIdx := (offset + i) / 8 - bitIdx := 7 - (offset+i)%8 - if bit { - data[byteIdx] |= 0x1 << bitIdx - } - } - - return data, nil -} - -func (r *reader) ReadBit() (bool, error) { - if r.width == 0 { - buf := make([]byte, 1) - if n, err := r.reader.Read(buf); err != nil { - return false, err - } else if n != 1 { - return false, ErrDiscouragedReader - } - r.octet = buf[0] - r.width = 8 - } - - r.width-- - return (r.octet>>r.width)&0x01 != 0, nil -} - -type readSeeker struct { - reader - seeker io.Seeker -} - -func NewReadSeeker(r io.ReadSeeker) ReadSeeker { - return &readSeeker{ - reader: reader{reader: r}, - seeker: r, - } -} - -func (r *readSeeker) Seek(offset int64, whence int) (int64, error) { - if whence == io.SeekCurrent && r.reader.width != 0 { - return 0, ErrInvalidAlignment - } - n, err := r.seeker.Seek(offset, whence) - if err != nil { - return n, err - } - r.reader.width = 0 - return n, nil -} diff --git a/vendor/github.com/abema/go-mp4/internal/bitio/write.go b/vendor/github.com/abema/go-mp4/internal/bitio/write.go deleted file mode 100644 index 5f63dd2d2..000000000 --- a/vendor/github.com/abema/go-mp4/internal/bitio/write.go +++ /dev/null @@ -1,61 +0,0 @@ -package bitio - -import ( - "io" -) - -type Writer interface { - io.Writer - - // alignment: - // |-1-byte-block-|--------------|--------------|--------------| - // |<-offset->|<-------------------width---------------------->| - WriteBits(data []byte, width uint) error - - WriteBit(bit bool) error -} - -type writer struct { - writer io.Writer - octet byte - width uint -} - -func NewWriter(w io.Writer) Writer { - return &writer{writer: w} -} - -func (w *writer) Write(p []byte) (n int, err error) { - if w.width != 0 { - return 0, ErrInvalidAlignment - } - return w.writer.Write(p) -} - -func (w *writer) WriteBits(data []byte, width uint) error { - length := uint(len(data)) * 8 - offset := length - width - for i := offset; i < length; i++ { - oi := i / 8 - if err := w.WriteBit((data[oi]>>(7-i%8))&0x01 != 0); err != nil { - return err - } - } - return nil -} - -func (w *writer) WriteBit(bit bool) error { - if bit { - w.octet |= 0x1 << (7 - w.width) - } - w.width++ - - if w.width == 8 { - if _, err := w.writer.Write([]byte{w.octet}); err != nil { - return err - } - w.octet = 0x00 - w.width = 0 - } - return nil -} diff --git a/vendor/github.com/abema/go-mp4/internal/util/io.go b/vendor/github.com/abema/go-mp4/internal/util/io.go deleted file mode 100644 index 1e4681186..000000000 --- a/vendor/github.com/abema/go-mp4/internal/util/io.go +++ /dev/null @@ -1,30 +0,0 @@ -package util - -import ( - "bytes" - "io" -) - -func ReadString(r io.Reader) (string, error) { - b := make([]byte, 1) - buf := bytes.NewBuffer(nil) - for { - if _, err := r.Read(b); err != nil { - return "", err - } - if b[0] == 0 { - return buf.String(), nil - } - buf.Write(b) - } -} - -func WriteString(w io.Writer, s string) error { - if _, err := w.Write([]byte(s)); err != nil { - return err - } - if _, err := w.Write([]byte{0}); err != nil { - return err - } - return nil -} diff --git a/vendor/github.com/abema/go-mp4/internal/util/string.go b/vendor/github.com/abema/go-mp4/internal/util/string.go deleted file mode 100644 index b38251bb3..000000000 --- a/vendor/github.com/abema/go-mp4/internal/util/string.go +++ /dev/null @@ -1,42 +0,0 @@ -package util - -import ( - "strconv" - "strings" - "unicode" -) - -func FormatSignedFixedFloat1616(val int32) string { - if val&0xffff == 0 { - return strconv.Itoa(int(val >> 16)) - } else { - return strconv.FormatFloat(float64(val)/(1<<16), 'f', 5, 64) - } -} - -func FormatUnsignedFixedFloat1616(val uint32) string { - if val&0xffff == 0 { - return strconv.Itoa(int(val >> 16)) - } else { - return strconv.FormatFloat(float64(val)/(1<<16), 'f', 5, 64) - } -} - -func FormatSignedFixedFloat88(val int16) string { - if val&0xff == 0 { - return strconv.Itoa(int(val >> 8)) - } else { - return strconv.FormatFloat(float64(val)/(1<<8), 'f', 3, 32) - } -} - -func EscapeUnprintable(r rune) rune { - if unicode.IsGraphic(r) { - return r - } - return rune('.') -} - -func EscapeUnprintables(src string) string { - return strings.Map(EscapeUnprintable, src) -} |