[WIP] Call participant volume adjustment

submodules/AccountContext/Sources/PresentationCallManager.swift

@@ -294,6 +294,7 @@ public protocol PresentationGroupCall: class {
     func toggleIsMuted()
     func setIsMuted(action: PresentationGroupCallMuteAction)
     func updateDefaultParticipantsAreMuted(isMuted: Bool)
+    func setVolume(peerId: PeerId, volume: Double)
     func setCurrentAudioOutput(_ output: AudioSessionOutput)
     
     func updateMuteState(peerId: PeerId, isMuted: Bool)

submodules/TelegramCallsUI/Sources/PresentationGroupCall.swift

@@ -1235,6 +1235,15 @@ public final class PresentationGroupCallImpl: PresentationGroupCall {
         }
     }
     
+    public func setVolume(peerId: PeerId, volume: Double) {
+        for (ssrc, id) in self.ssrcMapping {
+            if id == peerId {
+                self.callContext?.setVolume(ssrc: ssrc, volume: volume)
+                break
+            }
+        }
+    }
+    
     public func setCurrentAudioOutput(_ output: AudioSessionOutput) {
         guard self.currentSelectedAudioOutputValue != output else {
             return

submodules/TelegramVoip/Sources/GroupCallContext.swift

@@ -133,6 +133,10 @@ public final class OngoingGroupCallContext {
             })
         }
         
+        func setVolume(ssrc: UInt32, volume: Double) {
+            self.context.setVolumeForSsrc(ssrc, volume: volume)
+        }
+        
         func stop() {
             self.context.stop()
         }
@@ -242,6 +246,12 @@ public final class OngoingGroupCallContext {
         }
     }
     
+    public func setVolume(ssrc: UInt32, volume: Double) {
+        self.impl.with { impl in
+            impl.setVolume(ssrc: ssrc, volume: volume)
+        }
+    }
+    
     public func stop() {
         self.impl.with { impl in
             impl.stop()

submodules/TgVoipWebrtc/PublicHeaders/TgVoipWebrtc/OngoingCallThreadLocalContext.h

@@ -168,6 +168,8 @@ typedef NS_ENUM(int32_t, GroupCallNetworkState) {
 - (void)removeSsrcs:(NSArray<NSNumber *> * _Nonnull)ssrcs;
 - (void)setIsMuted:(bool)isMuted;
 
+- (void)setVolumeForSsrc:(uint32_t)ssrc volume:(double)volume;
+
 - (void)switchAudioOutput:(NSString * _Nonnull)deviceId;
 - (void)switchAudioInput:(NSString * _Nonnull)deviceId;
 

submodules/TgVoipWebrtc/Sources/OngoingCallThreadLocalContext.mm

@@ -1052,6 +1052,12 @@ static void (*InternalVoipLoggingFunction)(NSString *) = NULL;
     }
 }
 
+- (void)setVolumeForSsrc:(uint32_t)ssrc volume:(double)volume {
+    if (_instance) {
+        _instance->setVolume(ssrc, volume);
+    }
+}
+
 - (void)switchAudioOutput:(NSString * _Nonnull)deviceId {
     if (_instance) {
         _instance->setAudioOutputDevice(deviceId.UTF8String);