From c21bbb779fde63894a37aab6c91f83d72a09235c Mon Sep 17 00:00:00 2001
From: "Andrew K. Choi" <a.choi@smartsoltech.kr>
Date: Tue, 9 Dec 2025 21:13:54 +0900
Subject: [PATCH] fix

---
 server.py | 52 +++++++++++++++++++++++++++++++++++++++++++++++++---
 1 file changed, 49 insertions(+), 3 deletions(-)

diff --git a/server.py b/server.py
index f291bfb..164f760 100644
--- a/server.py
+++ b/server.py
@@ -1066,6 +1066,9 @@ async def client_websocket_endpoint(websocket: WebSocket, room_id: str, password
                     message = data.get("text") or data.get("bytes")
                     
                     if isinstance(message, bytes):
+                        if frame_count == 0:
+                            print(f"[WebSocket Client] ✓ FIRST FRAME RECEIVED from {client_id}! Size: {len(message)} bytes")
+                        
                         if client_id in video_queues:
                             if not video_queues[client_id].full():
                                 video_queues[client_id].put(message)
@@ -3430,6 +3433,9 @@ def create_html_templates():
         <div class="main-content">
             <!-- Video Container -->
             <div class="video-container">
+                <!-- Canvas для отображения видеокадров -->
+                <canvas id="videoCanvas" style="width: 100%; height: auto; display: none; background: #000;"></canvas>
+                
                 <div class="video-placeholder" id="videoPlaceholder">
                     <i class="fas fa-video"></i>
                     <h3>Waiting for Video Stream</h3>
@@ -3577,10 +3583,17 @@ def create_html_templates():
                     
                     ws.onmessage = function(event) {
                         try {
-                            const data = JSON.parse(event.data);
-                            handleWebSocketMessage(data);
+                            // Проверяем, это бинарные данные (видеокадр) или текст (JSON)
+                            if (event.data instanceof Blob) {
+                                // Это видеокадр - отображаем на canvas
+                                handleVideoFrame(event.data);
+                            } else if (typeof event.data === 'string') {
+                                // Это текстовое сообщение JSON
+                                const data = JSON.parse(event.data);
+                                handleWebSocketMessage(data);
+                            }
                         } catch (error) {
-                            console.error('Error parsing WebSocket message:', error);
+                            console.error('Error processing WebSocket message:', error);
                         }
                     };
                     
@@ -3739,6 +3752,39 @@ def create_html_templates():
                 }
             }
             
+            // Handle video frame from admin WebSocket
+            function handleVideoFrame(blob) {
+                const canvas = document.getElementById('videoCanvas');
+                const placeholder = document.getElementById('videoPlaceholder');
+                
+                // Show canvas, hide placeholder
+                if (canvas.style.display === 'none') {
+                    canvas.style.display = 'block';
+                    placeholder.style.display = 'none';
+                }
+                
+                // Create image from blob and draw on canvas
+                const img = new Image();
+                img.onload = function() {
+                    const ctx = canvas.getContext('2d');
+                    // Set canvas size to match image
+                    canvas.width = img.width;
+                    canvas.height = img.height;
+                    // Draw image
+                    ctx.drawImage(img, 0, 0);
+                    // Revoke the object URL to free memory
+                    URL.revokeObjectURL(img.src);
+                };
+                
+                img.onerror = function() {
+                    console.error('Failed to load image from blob');
+                    URL.revokeObjectURL(img.src);
+                };
+                
+                // Create object URL from blob and load as image
+                img.src = URL.createObjectURL(blob);
+            }
+            
             // Initialize sliders
             function initializeSliders() {
                 // Quality slider