read stdin

main.go

@@ -10,6 +10,8 @@ import "github.com/veandco/go-sdl2/sdl"
 import "C"
 
 import (
+	"bufio"
+	"os"
 	"time"
 )
 
@@ -40,6 +42,8 @@ func main() {
 
 	C.projectm_set_window_size(handle, 800, 600)
 
+	reader := bufio.NewReader(os.Stdin)
+
 	running := true
 	for running {
 		for event := sdl.PollEvent(); event != nil; event = sdl.PollEvent() {
@@ -51,6 +55,16 @@ func main() {
 			}
 		}
 
+		audioData := make([]byte, 4096)
+		n, err := reader.Read(audioData)
+		if err != nil {
+			panic(err)
+		}
+
+		ptr := C.CBytes(audioData)
+
+		C.projectm_pcm_add_float(handle, (*C.float)(ptr), C.uint(n / C.sizeof_float), C.PROJECTM_STEREO)
+
 		C.projectm_opengl_render_frame(handle)
 		window.GLSwap()
 		time.Sleep(1 / 60 * time.Second)