S.O.N.G/goflac
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libflac.go: Improve encoder error handling

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This commit is contained in:
Will Newton 2015-03-27 13:10:14 +00:00
parent a411f77706
commit 30fb318340
1 changed files with 9 additions and 0 deletions
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9
libflac.go
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@ -176,6 +176,12 @@ func (d *Decoder) ReadFrame() (f *Frame, err error) {
// NewEncoder creates a new Encoder object.
func NewEncoder(name string, channels int, depth int, rate int) (e *Encoder, err error) {
if channels == 0 {
return nil, errors.New("channels must be greater than 0")
}
if !(depth == 16 || depth == 24) {
return nil, errors.New("depth must be 16 or 24")
}
e = new(Encoder)
e.e = C.FLAC__stream_encoder_new()
if e.e == nil {
@ -202,6 +208,9 @@ func (e *Encoder) WriteFrame(f Frame) (err error) {
if f.Channels != e.Channels || f.Depth != e.Depth || f.Rate != e.Rate {
return errors.New("frame type does not match encoder")
}
if len(f.Buffer) == 0 {
return
}
ret := C.FLAC__stream_encoder_process_interleaved(e.e, (*C.FLAC__int32)(&f.Buffer[0]), C.uint(len(f.Buffer)/e.Channels))
if ret == 0 {
return errors.New("error encoding frame")