fix?

web_viewer/app.py

@@ -294,9 +294,11 @@ async def stream_video_from_fifo():
         # -c:v copy: copy video codec without re-encoding (use hardware-encoded H.264)
         # -f hls: output HLS format
         # -hls_time 1: 1 second per segment (low latency)
-        # -hls_list_size 5: keep 5 segments in playlist
+        # -hls_list_size 10: keep 10 segments in playlist (more buffer for clients)
+        # -hls_delete_threshold 3: delete segments only after 3 new ones created
         # -hls_flags delete_segments+append_list+omit_endlist: live streaming flags
         # -hls_segment_type mpegts: use MPEG-TS segments
+        # -hls_segment_filename: use %d for unlimited numbering
         # -start_number 0: start segment numbering from 0
         ffmpeg_process = subprocess.Popen(
             ['ffmpeg',
@@ -308,10 +310,11 @@ async def stream_video_from_fifo():
              '-c:v', 'copy',
              '-f', 'hls',
              '-hls_time', '1',
-             '-hls_list_size', '5',
+             '-hls_list_size', '10',
+             '-hls_delete_threshold', '3',
              '-hls_flags', 'delete_segments+append_list+omit_endlist',
              '-hls_segment_type', 'mpegts',
-             '-hls_segment_filename', f'{hls_dir}/segment_%03d.ts',
+             '-hls_segment_filename', f'{hls_dir}/segment_%d.ts',
              '-start_number', '0',
              f'{hls_dir}/playlist.m3u8'],
             stdin=subprocess.PIPE,

web_viewer/templates/index.html

@@ -367,13 +367,14 @@
 
             if (Hls.isSupported()) {
                 hls = new Hls({
-                    // Low latency configuration
+                    // Low latency configuration with increased buffer
                     lowLatencyMode: true,
                     backBufferLength: 90,
-                    maxBufferLength: 3,
-                    maxBufferSize: 1 * 1024 * 1024,  // 1MB
-                    liveSyncDurationCount: 1,
-                    liveMaxLatencyDurationCount: 2,
+                    maxBufferLength: 10,  // Increased from 3 to 10 seconds
+                    maxBufferSize: 3 * 1024 * 1024,  // Increased from 1MB to 3MB
+                    liveSyncDurationCount: 3,  // Keep 3 segments in sync
+                    liveMaxLatencyDurationCount: 5,  // Max 5 segments latency before catchup
+                    maxMaxBufferLength: 30,  // Maximum buffer length
                     enableWorker: true,
                     debug: false
                 });