I'm using 2 MKVs; videos are successfully merged, but without an audiable audio track.

"[NULL] invalid sync code
Appending file X.mkv
No suitable destination track found - creating new one (type vide)
No suitable destination track found - creating new one (type soun)"

This is the only error message I can see.
Codec is standard FLAC.
GPAC 2.0 Concat 2 Different Resolutions -> No Audio
This is a GitHub Issue
repo:gpac
owner:gpac
Title : GPAC 2.0 Concat 2 Different Resolutions -> No Audio
Issue date:

--- start body ---
I'm using 2 MKVs; videos are successfully merged, but without an audiable audio track.

"[NULL] invalid sync code
Appending file X.mkv
No suitable destination track found - creating new one (type vide)
No suitable destination track found - creating new one (type soun)"

This is the only error message I can see.
Codec is standard FLAC.
--- end body ---

None