From 4a53ab3fe266330ce1fe79661954512540874ebd Mon Sep 17 00:00:00 2001
From: Yihui Xiong <yihui.xiong@hotmail.com>
Date: Wed, 6 Sep 2017 17:56:00 +0800
Subject: [PATCH] add alsa configuration

enable dmix and dsnoop. Now we can play and record with multiple application simultaneously.
---
 asound.conf | 34 ++++++++++++++++++++++++++++++++++
 1 file changed, 34 insertions(+)
 create mode 100644 asound.conf

diff --git a/asound.conf b/asound.conf
new file mode 100644
index 0000000..4b13cb1
--- /dev/null
+++ b/asound.conf
@@ -0,0 +1,34 @@
+# The IPC key of dmix or dsnoop plugin must be unique
+# If 555555 or 666666 is used by other processes, use another one
+
+pcm.!default {
+    type asym
+    playback.pcm "playback"
+    capture.pcm "capture"
+}
+
+pcm.playback {
+    type plug
+    slave.pcm "dmixed"
+}
+
+pcm.capture {
+    type plug
+    slave.pcm "array"
+}
+
+pcm.dmixed {
+    type dmix
+    slave.pcm "hw:0,0"
+    ipc_key 555555 
+}
+
+pcm.array {
+    type dsnoop
+    slave {
+        pcm "hw:0,0"
+        channels 2
+    }
+    ipc_key 666666
+}
+