fix: hardware transcoding 10-bit error and EPG navigation bug (Issues #61, #63)

.gitignore

@@ -8,5 +8,5 @@ coverage/
 .DS_Store
 dist/
 release/
-
+.vscode
 transcode-cache/

public/js/components/EpgGuide.js

@@ -920,8 +920,8 @@ class EpgGuide {
             );
             if (channel) {
                 await window.app.channelList.selectChannel({ channelId: channel.id });
-                // Switch to home page
-                document.querySelector('[data-page="home"]').click();
+                // Switch to live TV page
+                document.querySelector('[data-page="live"]').click();
             }
         }
     }

server/services/transcodeSession.js

@@ -433,7 +433,8 @@ class TranscodeSession extends EventEmitter {
             '-preset', 'p4',           // Balanced preset (p1=fastest, p7=best)
             '-rc', 'constqp',          // Constant QP mode
             '-qp', String(qp),
-            '-bf', '3'                 // B-frames for better compression
+            '-bf', '3',                // B-frames for better compression
+            '-pix_fmt', 'yuv420p'      // Force 8-bit output for compatibility
         );
     }
 
@@ -450,7 +451,8 @@ class TranscodeSession extends EventEmitter {
             '-rc', 'cqp',              // Constant QP
             '-qp_i', String(qp),
             '-qp_p', String(qp + 2),
-            '-qp_b', String(qp + 4)
+            '-qp_b', String(qp + 4),
+            '-pix_fmt', 'yuv420p'      // Force 8-bit output for compatibility
         );
     }
 
@@ -470,7 +472,8 @@ class TranscodeSession extends EventEmitter {
             '-c:v', 'h264_vaapi',
             '-profile:v', 'main',      // Use main profile for compatibility
             '-global_quality', String(qp),
-            '-bf', '3'
+            '-bf', '3',
+            '-pix_fmt', 'yuv420p'      // Force 8-bit output for compatibility
         );
     }
 
@@ -486,7 +489,8 @@ class TranscodeSession extends EventEmitter {
             '-preset', 'medium',
             '-global_quality', String(qp),
             '-look_ahead', '1',
-            '-look_ahead_depth', '40'
+            '-look_ahead_depth', '40',
+            '-pix_fmt', 'yuv420p'      // Force 8-bit output for compatibility
         );
     }