[FFmpeg-trac] #10215(ffmpeg:new): Windows tcp: Starting connection attempt to <GARBAGE> port <GARBAGE>

[FFmpeg]

#10215: Windows tcp: Starting connection attempt to <GARBAGE> port <GARBAGE>
--------------------------------+---------------------------------------
             Reporter:  Korl    |                     Type:  defect
               Status:  new     |                 Priority:  normal
            Component:  ffmpeg  |                  Version:  unspecified
             Keywords:          |               Blocked By:
             Blocking:          |  Reproduced by developer:  0
Analyzed by developer:  0       |
--------------------------------+---------------------------------------
 Saving RTSP stream from a chinese camera to disk with

 {{{
 C:\app\ffmpeg-5.1.2-full_build\bin\ffmpeg.exe -hide_banner -rtsp_transport
 tcp -i "rtsp://192.168.4.15:8754/11" -c copy "C:\ffmpeg_test\rec.mkv" -y
 -nostdin -loglevel debug
 }}}

 works well and produces the following log


 {{{
 [tcp @ 000002405c964000] No default whitelist set
 [tcp @ 000002405c964000] Original list of addresses:
 [tcp @ 000002405c964000] Address 192.168.4.15 port 8754
 [tcp @ 000002405c964000] Interleaved list of addresses:
 [tcp @ 000002405c964000] Address 192.168.4.15 port 8754
 [tcp @ 000002405c964000] Starting connection attempt to 192.168.4.15 port
 8754
 [tcp @ 000002405c964000] Successfully connected to 192.168.4.15 port 8754
 }}}


 putting this same command line in a batch file and run it as service


 {{{
 sc create "cam_save" start= demand displayname= "cam_save" binpath=
 ""C:\App\svcbatch-1.4.0-win-x64\svcbatch.exe"
 C:\ffmpeg_test\batch_to_run.bat"
 }}}

 fails with


 {{{
 [tcp @ 000001cd0c777b80] No default whitelist set
 [tcp @ 000001cd0c777b80] Original list of addresses:
 [tcp @ 000001cd0c777b80] Address  ˘ź< port ÷{w
Í?
 [tcp @ 000001cd0c777b80] Interleaved list of addresses:
 [tcp @ 000001cd0c777b80] Address  ˘ź< port ÷{w
Í?
 [tcp @ 000001cd0c777b80] Starting connection attempt to  ˘ź< port "2ü
Í?
 [tcp @ 000001cd0c777b80] Connected attempt failed: Error number -10106
 occurred
 [tcp @ 000001cd0c777b80] Connection to tcp://192.168.4.15:8754?timeout=0
 failed: Error number -10106 occurred
 rtsp://192.168.4.15:8754/11: Unknown error
 }}}


 I'm guessing it is a security issue with windows services (don't know
 which) but I guess the garbage displayed is a memory leak.

 Reproduced on two different PC's with windows builds taken from Gyan and
 BtbN 5.x and 4.x
-- 
Ticket URL: <https://trac.ffmpeg.org/ticket/10215>
FFmpeg <https://ffmpeg.org>
FFmpeg issue tracker