gotosocial/vendor/github.com/abema/go-mp4/internal/util/string.go

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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)
}