// Play reads ttyrecord file and play (write to STDOUT)
func Play(filename string, capture func(ttyread.TimeVal) error) (err error) {
file, err := os.Open(filename)
if err != nil {
return
}
defer file.Close()
defer clearScreen()
var prevTv *ttyread.TimeVal
reader := ttyread.NewTtyReader(file)
for {
// read
var data *ttyread.TtyData
data, err = reader.ReadData()
if err != nil {
if err == io.EOF {
break
} else {
return
}
}
// calc delay
var diff ttyread.TimeVal
if prevTv == nil {
err = clearScreen()
if err != nil {
return
}
} else {
diff = data.TimeVal.Subtract(*prevTv)
}
prevTv = &data.TimeVal
// capture
err = capture(diff)
if err != nil {
return
}
// play
_, err = os.Stdout.Write(*data.Buffer)
if err != nil {
return
}
}
return nil
}
// TtyPlay reads ttyrecord file and play
func (g *GifGenerator) TtyPlay(input string, term Terminal, capture func(int32) error) (err error) {
inFile, err := os.Open(input)
if err != nil {
return
}
defer inFile.Close()
reader := ttyread.NewTtyReader(inFile)
var prevTv *ttyread.TimeVal
for {
var data *ttyread.TtyData
data, err = reader.ReadData()
if err != nil {
if err == io.EOF {
break
} else {
return
}
}
var diff ttyread.TimeVal
if prevTv != nil {
diff = data.TimeVal.Subtract(*prevTv)
}
prevTv = &data.TimeVal
err = capture(diff.Sec*1000000 + diff.Usec)
if err != nil {
return
}
_, err = term.Write(*data.Buffer)
if err != nil {
return
}
}
return nil
}