rtsp to file mp4 not work

[sugizo]

Describe the bug
rtsp url link to file mp4 not work

To Reproduce
code

url = 'http://honjin1.miemasu.net/nphMotionJpeg?Resolution=320x240&Quality=Standard'
rtsp = ffmpeg_streaming.input(url)
output = 'rtsp_mp4.mp4'
rtsp_mp4 = rtsp.stream2file(Formats.h264() )
rtsp_mp4.output(output, async_run = False)

Expected behavior
output file can be play either in IPython or media player, e.g. vlc

Screenshots
executed in google colab can not play using ipython

after download to local machine, it can't be play using vlc

Local machine (please complete the following information):

• OS : ubuntu jammy
• FFMpeg : ffmpeg version 4.4.2-0ubuntu0.22.04.1
• environment : google colab
• python : 3.10.12
• python-ffmpeg-video-streaming : 0.1.15

best regards