ubuntu `18.04.6 LTS`

by default installs
MP4Box - GPAC version 0.5.2-DEV-revVersion: 0.5.2-426-gc5ad4e4+dfsg5-3ubuntu0.1

MP4Box -splitx has audio drop issues

then I upgrade to Debian:bullseye
by default installs
`MP4Box - GPAC version 1.0.1-revrelease`

MP4Box -splitx & splitz has audio drop issues

`-splitg` option not available though document mentions it.

then I upgrade to nightly build 

`gpac_1.1.0-DEV-latest-master_amd64.deb`

```
> MP4Box -splitz 1638:5311 1635881002.mp4 -out splitz.mp4
AVCC: invalid syntax for REXT profile, patching.
[MP4Mux] Error creating new tx3g sample description: Bad Parameter
Failed to connect filter reframer PID T3 to filter mp4mx: Bad Parameter
splitting: file 1 done
Split failed: Bad Parameter
```

while the file is correctly split as using `splitg` the output says that split failed. Why the error?

Also https://github.com/gpac/gpac/wiki/mp4box-dump-opts
mentions

`-splitz (string): extract the specified time range so that ranges A:B and B:C share exactly the same boundary B:`
it only takes `start_second:end_seconds`, why does document mention 3 points?




Mp4Box Split has audio issues
This is a GitHub Issue
repo:gpac
owner:gpac
Title : Mp4Box Split has audio issues
Issue date:

--- start body ---
ubuntu `18.04.6 LTS`

by default installs
MP4Box - GPAC version 0.5.2-DEV-revVersion: 0.5.2-426-gc5ad4e4+dfsg5-3ubuntu0.1

MP4Box -splitx has audio drop issues

then I upgrade to Debian:bullseye
by default installs
`MP4Box - GPAC version 1.0.1-revrelease`

MP4Box -splitx & splitz has audio drop issues

`-splitg` option not available though document mentions it.

then I upgrade to nightly build 

`gpac_1.1.0-DEV-latest-master_amd64.deb`

```
> MP4Box -splitz 1638:5311 1635881002.mp4 -out splitz.mp4
AVCC: invalid syntax for REXT profile, patching.
[MP4Mux] Error creating new tx3g sample description: Bad Parameter
Failed to connect filter reframer PID T3 to filter mp4mx: Bad Parameter
splitting: file 1 done
Split failed: Bad Parameter
```

while the file is correctly split as using `splitg` the output says that split failed. Why the error?

Also https://github.com/gpac/gpac/wiki/mp4box-dump-opts
mentions

`-splitz (string): extract the specified time range so that ranges A:B and B:C share exactly the same boundary B:`
it only takes `start_second:end_seconds`, why does document mention 3 points?




--- end body ---
