rtmp {    server {        listen 1935;        application live {             allow publish all;             allow play all;             live on;             exec /root/bin/ffmpeg -i rtmp://localhost/live/$name                        -c:v libx264 -c:a libfdk_aac -b:v 256k -b:a 32k                        -f flv rtmp://localhost/hls/$name_low                        -c:v libx264 -c:a libfdk_aac -b:v 768k -b:a 96k                        -f flv rtmp://localhost/hls/$name_mid                        -c:v libx264 -c:a libfdk_aac -b:v 1024k -b:a 128k                        -f flv rtmp://localhost/hls/$name_hi;        }        application hls {            live on;            hls on;            hls_path /mnt/hls;            hls_fragment 15s;            hls_variant _low BANDWIDTH=320000;            hls_variant _mid BANDWIDTH=640000;            hls_variant _hi  BANDWIDTH=960000;                   }    }}

解决办法：

hls_continuous on; //打开HLS连续模式。 在这种模式下，HLS序列号从上次停止的地方开始。 老片段被保存。 默认为关闭。