func (strm *Stream) ReadSound(sound []float32) error {
cerr := C.Pa_ReadStream(strm.cee, unsafe.Pointer(&sound[0]),
C.ulong(len(sound)/strm.inopts.ChannelCnt))
if cerr != C.paNoError {
return errors.New(C.GoString(C.Pa_GetErrorText(cerr)))
}
return nil
}
// ReadStream function as declared in portaudio/portaudio.h:1095
func ReadStream(stream *Stream, buffer unsafe.Pointer, frames uint) Error {
cstream, _ := (unsafe.Pointer)(unsafe.Pointer(stream)), cgoAllocsUnknown
cbuffer, _ := (unsafe.Pointer)(unsafe.Pointer(buffer)), cgoAllocsUnknown
cframes, _ := (C.ulong)(frames), cgoAllocsUnknown
__ret := C.Pa_ReadStream(cstream, cbuffer, cframes)
__v := (Error)(__ret)
return __v
}
// Read uses the buffer provided to OpenStream.
// The number of samples to read is determined by the size of the buffer.
func (s *Stream) Read() error {
if s.callback.IsValid() {
return CanNotReadFromACallbackStream
}
if s.in == nil {
return CanNotReadFromAnOutputOnlyStream
}
buf, frames, err := getBuffer(s.in, s.inParams)
if err != nil {
return err
}
return newError(C.Pa_ReadStream(s.paStream, buf, C.ulong(frames)))
}