Issue #1806 - Part 4: Add more audio troubleshooting information.

This should help us troubleshoot audio issues better in the future in general, since we'll know more about the hardware involved, etc.

1 files changed, 23 insertions, 0 deletions

diff --git a/dom/interfaces/base/nsIDOMWindowUtils.idl b/dom/interfaces/base/nsIDOMWindowUtils.idl
index 70ec7e0ae6..e563a19985 100644
--- a/dom/interfaces/base/nsIDOMWindowUtils.idl
+++ b/dom/interfaces/base/nsIDOMWindowUtils.idl
@@ -29,6 +29,7 @@ native nscolor(nscolor);
 [ptr] native gfxContext(gfxContext);
 typedef unsigned long long nsViewID;
 
+interface nsIArray;
 interface nsICycleCollectorListener;
 interface nsIDOMNode;
 interface nsIDOMNodeList;
@@ -1426,6 +1427,28 @@ interface nsIDOMWindowUtils : nsISupports {
   readonly attribute AString currentAudioBackend;
 
   /**
+   * Returns the max channel counts of the current audio device.
+   */
+  readonly attribute unsigned long currentMaxAudioChannels;
+
+  /**
+   * Returns the preferred channel layout of the current audio device.
+   */
+  readonly attribute AString currentPreferredChannelLayout;
+
+  /**
+   * Returns the preferred sample rate of the current audio device.
+   */
+  readonly attribute unsigned long currentPreferredSampleRate;
+
+  /**
+   * Returns all the audio input/output devices.
+   */
+  const unsigned short AUDIO_INPUT   = 0;
+  const unsigned short AUDIO_OUTPUT  = 1;
+  nsIArray audioDevices(in unsigned short aSide);
+
+  /**
    * Record (and return) frame-intervals for frames which were presented
    *   between calling StartFrameTimeRecording and StopFrameTimeRecording.
    *