[FFmpeg-trac] #8828(avformat:new): avformat_open_input hangs on non-existent RTSP url

FFmpeg trac at avcodec.org
Wed Jul 29 10:16:59 EEST 2020

#8828: avformat_open_input hangs on non-existent RTSP url
             Reporter:  MaxRiffs     |                     Type:  defect
               Status:  new          |                 Priority:  critical
            Component:  avformat     |                  Version:  4.2
             Keywords:               |               Blocked By:
  avformat_open_input                |
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
 I use the 4.2.3 build for Windows in 64Bits

 When I use avformat_open_input on a non existant rtsp url it hangs all my
 code because they are no call back in this case.

 Work very good on a working rtsp url, return a callback if the url are
 malformed but hangs if the url is good formed like :
 rtsp://login:password@ but do not exist.

 For exemple, if this url work and exist :
 this will hangs because the good adress are in "554" :

 It's a real issue for me because I don't see how to properly make this
 working wihout a callback from avformat_open_input.

 I noticed the same hangs if I have "//" in the password, but the first
 issues is more critical.

 Thank you in advance and excuse me if I do a error.

Ticket URL: <https://trac.ffmpeg.org/ticket/8828>
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