// OpenStream creates an instance of a Stream.
//
// For an input- or output-only stream, p.Output.Device or p.Input.Device must be nil, respectively.
//
// The args may consist of either a single StreamCallback or,
// for a blocking stream, two Buffers or pointers to Buffers.
//
// For an input- or output-only stream, one of the Buffer args may be omitted.
func OpenStream(p StreamParameters, args ...interface{}) (*Stream, error) {
if initialized <= 0 {
return nil, NotInitialized
}
s := newStream()
err := s.init(p, args...)
if err != nil {
delStream(s)
return nil, err
}
cb := C.paStreamCallback
if !s.callback.IsValid() {
cb = nil
}
paErr := C.Pa_OpenStream(&s.paStream, s.inParams, s.outParams, C.double(p.SampleRate), C.ulong(p.FramesPerBuffer), C.PaStreamFlags(p.Flags), cb, unsafe.Pointer(s.id))
if paErr != C.paNoError {
delStream(s)
return nil, newError(paErr)
}
return s, nil
}
/*
For an input- or output-only stream, p.Output.Device or p.Input.Device must be nil, respectively.
The args may consist of either a single StreamCallback or, for a blocking stream, two Buffers or pointers to Buffers. For an input- or output-only stream, one of the Buffer args may be omitted.
*/
func OpenStream(p StreamParameters, args ...interface{}) (*Stream, error) {
if initialized <= 0 {
return nil, NotInitialized
}
stream_size := (C.size_t)(unsafe.Sizeof(Stream{}))
s := (*Stream)(C.malloc(stream_size))
*s = Stream{}
err := s.init(p, args...)
if err != nil {
return nil, err
}
cb := C.paStreamCallback
if !s.callback.IsValid() {
cb = nil
}
paErr := C.Pa_OpenStream(&s.paStream, s.inParams, s.outParams, C.double(p.SampleRate), C.ulong(p.FramesPerBuffer), C.PaStreamFlags(p.Flags), cb, unsafe.Pointer(s))
if paErr != C.paNoError {
return nil, newError(paErr)
}
return s, nil
}
