zynaddsubfx

commit ce9f78d2bdc0c1efd4bde02d2603204746ac13b7
parent 6fa2121c0c1bd96c58ce0a6debea39b04670f43b
Author: Hans Petter Selasky <hps@selasky.org>
Date:   Wed, 18 May 2016 21:50:47 +0200

Allow ALSA device to be specified by an environment variable.

Signed-off-by: Hans Petter Selasky <hps@selasky.org>

Diffstat:
M
src/Nio/AlsaEngine.cpp
 | 
8
+++++++-

1 file changed, 7 insertions(+), 1 deletion(-)
diff --git a/src/Nio/AlsaEngine.cpp b/src/Nio/AlsaEngine.cpp
@@ -11,6 +11,7 @@
   of the License, or (at your option) any later version.
 */
 
+#include <stdlib.h>
 #include <iostream>
 #include <cmath>
 
@@ -273,7 +274,12 @@ bool AlsaEngine::openAudio()
     int rc = 0;
     /* Open PCM device for playback. */
     audio.handle = NULL;
-    rc = snd_pcm_open(&audio.handle, "hw:0",
+
+    const char *device = getenv("ALSA_DEVICE");
+    if(device == 0)
+        device = "hw:0";
+
+    rc = snd_pcm_open(&audio.handle, device,
                       SND_PCM_STREAM_PLAYBACK, 0);
     if(rc < 0) {
         fprintf(stderr,