From 74a18fa6b1ff8d6a19227b17c3ca69d20e6ddd93 Mon Sep 17 00:00:00 2001
From: bruceperens <bruceperens@01035d8c-6547-0410-b346-abe4f91aad63>
Date: Tue, 11 Mar 2014 04:01:35 +0000
Subject: [PATCH] Provide a platform default audio selection.

git-svn-id: https://svn.code.sf.net/p/freetel/code@1424 01035d8c-6547-0410-b346-abe4f91aad63
---
 freedv-server/source/audio_in_default.cpp  | 13 +++++++++++++
 freedv-server/source/audio_out_default.cpp | 13 +++++++++++++
 freedv-server/source/drivers.h             |  9 +++++----
 freedv-server/source/interfaces.cpp        |  2 +-
 4 files changed, 32 insertions(+), 5 deletions(-)
 create mode 100644 freedv-server/source/audio_in_default.cpp
 create mode 100644 freedv-server/source/audio_out_default.cpp

diff --git a/freedv-server/source/audio_in_default.cpp b/freedv-server/source/audio_in_default.cpp
new file mode 100644
index 00000000..816278f7
--- /dev/null
+++ b/freedv-server/source/audio_in_default.cpp
@@ -0,0 +1,13 @@
+#include "drivers.h"
+
+namespace FreeDV {
+  AudioInput *
+  Driver::AudioInDefault()
+  {
+#if __linux__
+    return Driver::AudioInALSA("default");
+#else
+    #error Please fill in Driver::AudioInDefault for this platform.
+#endif
+  }
+}
diff --git a/freedv-server/source/audio_out_default.cpp b/freedv-server/source/audio_out_default.cpp
new file mode 100644
index 00000000..4e292b66
--- /dev/null
+++ b/freedv-server/source/audio_out_default.cpp
@@ -0,0 +1,13 @@
+#include "drivers.h"
+
+namespace FreeDV {
+  AudioOutput *
+  Driver::AudioOutDefault()
+  {
+#if __linux__
+    return Driver::AudioOutALSA("default");
+#else
+    #error Please fill in Driver::AudioOutDefault for this platform.
+#endif
+  }
+}
diff --git a/freedv-server/source/drivers.h b/freedv-server/source/drivers.h
index d0d62073..b9998175 100644
--- a/freedv-server/source/drivers.h
+++ b/freedv-server/source/drivers.h
@@ -699,15 +699,16 @@ namespace FreeDV {
     return interfaces.print(stream);
   }
 
-  // The functions in the Driver and Enumerator namespaces are normally
-  // registered with the driver manager at run-time. There isn't a reason
-  // to reference them directly unless it's in a custom main for an embedded
-  // program.
+  // Most of the functions in the Driver and Enumerator namespaces are
+  // registered with the driver manager at run-time. There won't be many
+  // reasons to reference them directly.
   namespace Driver {
     AudioInput *	Tone(const char * parameter);
     AudioInput *	AudioInALSA(const char * parameter);
+    AudioInput *	AudioInDefault();
     AudioOutput *	AudioSink(const char * parameter);
     AudioOutput *	AudioOutALSA(const char * parameter);
+    AudioOutput *	AudioOutDefault();
     Codec *		CodecNoOp(const char * parameter);
     Framer *		FramerNoOp(const char * parameter);
     KeyingOutput *	KeyingSink(const char * parameter);
diff --git a/freedv-server/source/interfaces.cpp b/freedv-server/source/interfaces.cpp
index ea7f279a..387cfebb 100644
--- a/freedv-server/source/interfaces.cpp
+++ b/freedv-server/source/interfaces.cpp
@@ -16,7 +16,7 @@ namespace FreeDV {
       keying_output = Driver::KeyingSink(empty);
 
     if ( !loudspeaker )
-      loudspeaker = Driver::AudioSink(empty);
+      loudspeaker = Driver::AudioOutDefault();
 
     if ( !microphone )
       microphone = Driver::Tone(empty);
-- 
2.25.1