hls拉流后写入h264的流出错，flv无法播放

配置如下：
global:
  loglevel: debug
monitor:
  enable: false
hls:
  pull:
    repull: 10000
    pullonstart: 
      live/hls: https://devstreaming-cdn.apple.com/videos/streaming/examples/bipbop_4x3/gear3/prog_index.m3u8
hdl:
  publish:
    pubaudio: true # 是否发布音频流
    pubvideo: true # 是否发布视频流
