Thanks for reporting your issue. Please make sure these boxes are checked before submitting your issue - thank you!

- [yes ] I looked for a similar issue and couldn't find any.
- [master release ] I tried with the latest version of GPAC. Installers available at http://gpac.io/downloads/gpac-nightly-builds/
- [yes ] I give enough information for contributors to reproduce my issue (meaningful title, github labels, platform and compiler, command-line ...). I can share files anonymously with this dropbox: https://www.mediafire.com/filedrop/filedrop_hosted.php?drop=eec9e058a9486fe4e99c33021481d9e1826ca9dbc242a6cfaab0fe95da5e5d95

Detailed guidelines: http://gpac.io/2013/07/16/how-to-file-a-bug-properly/

I try to input a hls stream , 
/opt/git/gpac/bin/gcc/gpac -i http://10.140.200.254:9091/abc.m3u8 -o arch.mp4
it reports  
[DASH] Error in downloading new segment http://10.140.200.254:9091/abc/abc/1639646434.ts: Requested URL is not valid or cannot be found - waited 1188 ms but segment still not available, checking next one ...

file structure  and m3u8 file
![image](https://user-images.githubusercontent.com/8351732/146476158-42fb6a8c-f6ba-4f50-922a-64653296ecc1.png)
![image](https://user-images.githubusercontent.com/8351732/146476198-4da606bc-c2a3-4cf3-bd10-1ded501563cd.png)
this is play well in all hls browser

but in gpac    it add two  "abc"  prefix 
http://10.140.200.254:9091/abc/abc/1639646434.ts


[bug]  gpac input hls stream report error
This is a GitHub Issue
repo:gpac
owner:gpac
Title : [bug]  gpac input hls stream report error
Issue date:

--- start body ---
Thanks for reporting your issue. Please make sure these boxes are checked before submitting your issue - thank you!

- [yes ] I looked for a similar issue and couldn't find any.
- [master release ] I tried with the latest version of GPAC. Installers available at http://gpac.io/downloads/gpac-nightly-builds/
- [yes ] I give enough information for contributors to reproduce my issue (meaningful title, github labels, platform and compiler, command-line ...). I can share files anonymously with this dropbox: https://www.mediafire.com/filedrop/filedrop_hosted.php?drop=eec9e058a9486fe4e99c33021481d9e1826ca9dbc242a6cfaab0fe95da5e5d95

Detailed guidelines: http://gpac.io/2013/07/16/how-to-file-a-bug-properly/

I try to input a hls stream , 
/opt/git/gpac/bin/gcc/gpac -i http://10.140.200.254:9091/abc.m3u8 -o arch.mp4
it reports  
[DASH] Error in downloading new segment http://10.140.200.254:9091/abc/abc/1639646434.ts: Requested URL is not valid or cannot be found - waited 1188 ms but segment still not available, checking next one ...

file structure  and m3u8 file
![image](https://user-images.githubusercontent.com/8351732/146476158-42fb6a8c-f6ba-4f50-922a-64653296ecc1.png)
![image](https://user-images.githubusercontent.com/8351732/146476198-4da606bc-c2a3-4cf3-bd10-1ded501563cd.png)
this is play well in all hls browser

but in gpac    it add two  "abc"  prefix 
http://10.140.200.254:9091/abc/abc/1639646434.ts


--- end body ---
