注释4K分辨率

nginx.conf

@@ -19,10 +19,11 @@ rtmp {
             live on;
 
             exec ffmpeg -i rtmp://localhost:1935/stream/$name
-                # 4K (2160p) - 比特率设置为 20Mbps
-                -c:a libfdk_aac -b:a 192k -c:v libx264 -b:v 20000k -f flv -g 60 -r 60 -s 3840x2160 -preset superfast -profile:v high rtmp://localhost:1935/hls/$name_2160p20000kbs
-                # 2K (1440p) - 比特率设置为 12Mbps
-                -c:a libfdk_aac -b:a 192k -c:v libx264 -b:v 12000k -f flv -g 60 -r 60 -s 2560x1440 -preset superfast -profile:v high rtmp://localhost:1935/hls/$name_1440p12000kbs
+                # 注释掉4K和2K的转码
+                # # 4K (2160p) - 比特率设置为 20Mbps
+                # -c:a libfdk_aac -b:a 192k -c:v libx264 -b:v 20000k -f flv -g 60 -r 60 -s 3840x2160 -preset superfast -profile:v high rtmp://localhost:1935/hls/$name_2160p20000kbs
+                # # 2K (1440p) - 比特率设置为 12Mbps
+                 -c:a libfdk_aac -b:a 192k -c:v libx264 -b:v 12000k -f flv -g 60 -r 60 -s 2560x1440 -preset superfast -profile:v high rtmp://localhost:1935/hls/$name_1440p12000kbs
                 # 1080p - 比特率设置为 6Mbps
                 -c:a libfdk_aac -b:a 192k -c:v libx264 -b:v 6000k -f flv -g 60 -r 60 -s 1920x1080 -preset superfast -profile:v high rtmp://localhost:1935/hls/$name_1080p6000kbs
                 # 720p
@@ -36,14 +37,18 @@ rtmp {
         application hls {
             live on;
             hls on;
+            # 增加这些配置
+            hls_video_buffer_size 50M;    # HLS视频缓冲大小
+            hls_max_video_buffer_size 100M; # 最大视频缓冲
+
             hls_fragment_naming system;
             hls_fragment 5;
             hls_playlist_length 10;
             hls_path /opt/data/hls;
             hls_nested on;
 
-            # 添加新的分辨率变体
-            hls_variant _2160p20000kbs BANDWIDTH=20192000,RESOLUTION=3840x2160;
+            # 注释掉4K和2K的变体
+            # hls_variant _2160p20000kbs BANDWIDTH=20192000,RESOLUTION=3840x2160;
             hls_variant _1440p12000kbs BANDWIDTH=12192000,RESOLUTION=2560x1440;
             hls_variant _1080p6000kbs BANDWIDTH=6192000,RESOLUTION=1920x1080;
             hls_variant _720p2628kbs BANDWIDTH=2628000,RESOLUTION=1280x720;