From ca49272bf26bd6f3161eaa094a666d24f9453699 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Miroslav=20=C5=A0ediv=C3=BD?= <sedivy.miro@gmail.com>
Date: Tue, 29 Mar 2022 23:39:12 +0200
Subject: [PATCH] move paused to webrtc stats.

---
 src/component/internal/connection.ts | 5 +----
 src/component/internal/webrtc.ts     | 5 +++++
 src/component/main.vue               | 4 ++--
 src/component/types/webrtc.ts        | 1 +
 4 files changed, 9 insertions(+), 6 deletions(-)

diff --git a/src/component/internal/connection.ts b/src/component/internal/connection.ts
index 15e03a8b..256e5a70 100644
--- a/src/component/internal/connection.ts
+++ b/src/component/internal/connection.ts
@@ -24,7 +24,6 @@ export interface NekoConnectionEvents {
 export class NekoConnection extends EventEmitter<NekoConnectionEvents> {
   private _open = false
 
-  public paused = false
   public websocket = new NekoWebSocket()
   public logger = new NekoLoggerFactory(this.websocket)
   public webrtc = new NekoWebRTC(this.logger.new('webrtc'))
@@ -104,9 +103,7 @@ export class NekoConnection extends EventEmitter<NekoConnectionEvents> {
       Vue.set(this._state.webrtc, 'stats', stats)
 
       // when connection is paused, 0fps and muted track is expected
-      if (this.paused) {
-        return
-      }
+      if (stats.paused) return
 
       // if automatic quality adjusting is turned off
       if (!this._reconnector.webrtc.isOpen) return
diff --git a/src/component/internal/webrtc.ts b/src/component/internal/webrtc.ts
index 4ecbb573..1fbfa16e 100644
--- a/src/component/internal/webrtc.ts
+++ b/src/component/internal/webrtc.ts
@@ -34,6 +34,8 @@ export interface NekoWebRTCEvents {
 export class NekoWebRTC extends EventEmitter<NekoWebRTCEvents> {
   // used for creating snaps from video for fallback mode
   public video!: HTMLVideoElement
+  // information for WebRTC that server video has been paused, 0fps is expected
+  public paused = false
 
   private _peer?: RTCPeerConnection
   private _channel?: RTCDataChannel
@@ -519,6 +521,9 @@ export class NekoWebRTC extends EventEmitter<NekoWebRTCEvents> {
         const packetsReceivedDiff = report.packetsReceived - packetsReceived
 
         this.emit('stats', {
+          // Firefox does not emit any event when starting paused
+          // because there is no video report found in stats.
+          paused: this.paused,
           bitrate: (bytesDiff / tsDiff) * 1000,
           packetLoss: (packetsLostDiff / (packetsLostDiff + packetsReceivedDiff)) * 100,
           fps: Number(report.framesPerSecond || framesDecodedDiff / (tsDiff / 1000)),
diff --git a/src/component/main.vue b/src/component/main.vue
index 9bd91de4..948dd60d 100644
--- a/src/component/main.vue
+++ b/src/component/main.vue
@@ -222,8 +222,8 @@
     }
 
     @Watch('private_mode_enabled')
-    private setConnectionPaused(paused: boolean) {
-      this.connection.paused = paused
+    private setWebRTCPaused(paused: boolean) {
+      this.connection.webrtc.paused = paused
     }
 
     screencastReady = false
diff --git a/src/component/types/webrtc.ts b/src/component/types/webrtc.ts
index 0c707a55..bedc243c 100644
--- a/src/component/types/webrtc.ts
+++ b/src/component/types/webrtc.ts
@@ -1,4 +1,5 @@
 export interface WebRTCStats {
+  paused: boolean
   bitrate: number
   packetLoss: number
   fps: number