go bindings: fix unsafe.Pointer warning

diff --git a/rtaudio.go b/rtaudio.go
index c03394205c682f3a8ae97371dcaaafb55c232b15..8b0f644c859de3433f48b7d450b4c8e22da77337 100644 (file)
--- a/rtaudio.go
+++ b/rtaudio.go
@@ -20,12 +20,25 @@ package rtaudio
 #cgo darwin CXXFLAGS: -D__MACOSX_CORE__
 #cgo darwin LDFLAGS: -framework CoreAudio -framework CoreFoundation
 
+#include <stdlib.h>
+#include <stdint.h>
 #include "rtaudio_c.h"
 
 extern int goCallback(void *out, void *in, unsigned int nFrames,
-                           double stream_time, rtaudio_stream_status_t status,
-                           void *userdata);
-
+       double stream_time, rtaudio_stream_status_t status, void *userdata);
+
+static inline void cgoRtAudioOpenStream(rtaudio_t audio,
+       rtaudio_stream_parameters_t *output_params,
+       rtaudio_stream_parameters_t *input_params,
+       rtaudio_format_t format,
+       unsigned int sample_rate,
+       unsigned int *buffer_frames,
+       int cb_id,
+       rtaudio_stream_options_t *options) {
+               rtaudio_open_stream(audio, output_params, input_params,
+                       format, sample_rate, buffer_frames,
+                       goCallback, (void *)(uintptr_t)cb_id, options, NULL);
+}
 */
 import "C"
 import (
@@ -463,9 +476,8 @@ func (audio *rtaudio) Open(out, in *StreamParams, format Format, sampleRate uint
        audio.cb = cb
 
        k := registerAudio(audio)
-       C.rtaudio_open_stream(audio.audio, cOutPtr, cInPtr,
-               C.rtaudio_format_t(format), C.uint(sampleRate), &framesCount,
-               C.rtaudio_cb_t(C.goCallback), unsafe.Pointer(uintptr(k)), cOptsPtr, nil)
+       C.cgoRtAudioOpenStream(audio.audio, cOutPtr, cInPtr,
+               C.rtaudio_format_t(format), C.uint(sampleRate), &framesCount, C.int(k), cOptsPtr)
        if C.rtaudio_error(audio.audio) != nil {
                return errors.New(C.GoString(C.rtaudio_error(audio.audio)))
        }