From 45903b7b4de4a0e6f64eebde0fdedd648b1be87a Mon Sep 17 00:00:00 2001
From: Michael Maltese <michaeljosephmaltese@gmail.com>
Date: Sun, 9 Oct 2016 19:18:16 -0700
Subject: AudioCommon: SupportsDPL2Decoder, SupportsLatencyControl,
 SupportsVolumeChanges

---
 Source/Core/AudioCommon/AudioCommon.cpp | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)

(limited to 'Source/Core/AudioCommon/AudioCommon.cpp')

diff --git a/Source/Core/AudioCommon/AudioCommon.cpp b/Source/Core/AudioCommon/AudioCommon.cpp
index dd0b31b916..642051f166 100644
--- a/Source/Core/AudioCommon/AudioCommon.cpp
+++ b/Source/Core/AudioCommon/AudioCommon.cpp
@@ -117,6 +117,30 @@ std::vector<std::string> GetSoundBackends()
   return backends;
 }
 
+bool SupportsDPL2Decoder(const std::string& backend)
+{
+#ifndef __APPLE__
+  if (backend == BACKEND_OPENAL)
+    return true;
+#endif
+  if (backend == BACKEND_PULSEAUDIO)
+    return true;
+  return false;
+}
+
+bool SupportsLatencyControl(const std::string& backend)
+{
+  return backend == BACKEND_OPENAL;
+}
+
+bool SupportsVolumeChanges(const std::string& backend)
+{
+  // FIXME: this one should ask the backend whether it supports it.
+  //       but getting the backend from string etc. is probably
+  //       too much just to enable/disable a stupid slider...
+  return backend == BACKEND_COREAUDIO || backend == BACKEND_OPENAL || backend == BACKEND_XAUDIO2;
+}
+
 void UpdateSoundStream()
 {
   if (g_sound_stream)
-- 
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