From 1cd8f6f4f88f7717f0fcafbb5d47de0af59d5fb7 Mon Sep 17 00:00:00 2001
From: Roxie Linden <roxie@lindenlab.com>
Date: Thu, 21 Sep 2023 15:28:58 -0700
Subject: Stream audio levels to and from viewers via DataChannels

---
 indra/llwebrtc/llwebrtc.h | 13 +++++++++++--
 1 file changed, 11 insertions(+), 2 deletions(-)

(limited to 'indra/llwebrtc/llwebrtc.h')

diff --git a/indra/llwebrtc/llwebrtc.h b/indra/llwebrtc/llwebrtc.h
index a6e754684e..f1ba1620e3 100644
--- a/indra/llwebrtc/llwebrtc.h
+++ b/indra/llwebrtc/llwebrtc.h
@@ -45,6 +45,7 @@
 namespace llwebrtc
 {
 LLSYMEXPORT void init();
+LLSYMEXPORT void terminate();
 
 struct LLWebRTCIceCandidate
 {
@@ -69,8 +70,7 @@ typedef std::vector<LLWebRTCVoiceDevice> LLWebRTCVoiceDeviceList;
 class LLWebRTCDevicesObserver
 {
   public:
-    virtual void OnRenderDevicesChanged(const LLWebRTCVoiceDeviceList &render_devices) = 0;
-    virtual void OnCaptureDevicesChanged(const LLWebRTCVoiceDeviceList &capture_devices) = 0;
+    virtual void OnDevicesChanged(const LLWebRTCVoiceDeviceList &render_devices, const LLWebRTCVoiceDeviceList &capture_devices) = 0;
 };
 
 class LLWebRTCDeviceInterface
@@ -89,11 +89,20 @@ class LLWebRTCDeviceInterface
     virtual double getTuningMicrophoneEnergy() = 0;
 };
 
+class LLWebRTCAudioObserver
+{
+  public:
+    virtual void OnAudioLevel(float level)   = 0;
+};
+
 class LLWebRTCAudioInterface
 {
   public:
+    virtual void setAudioObserver(LLWebRTCAudioObserver *observer)  = 0;
+    virtual void unsetAudioObserver(LLWebRTCAudioObserver *observer) = 0;
     virtual void setMute(bool mute) = 0;
     virtual void setSpeakerVolume(float volume) = 0;  // volume between 0.0 and 1.0
+    virtual void requestAudioLevel() = 0;
 };
 
 class LLWebRTCDataObserver
-- 
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