See attached file that I checked into the Manual GIT section which includes the answers as came from the mailing list.  Plus commentary added by me here too. Q1 - same capabilities with caveat 10 items listed in html file. Q5 - in file, I stated that mods/maintenance of ffmpeg by quasi-developers and quasi-moderators (hope this does not offend anyone). Q6 - explained in html file. Q8 - it is the most helpful to rebuild every time there is a GIT source checkin so that any changes that create a problem are find quickly -- for example, Andrea's use of Arch finds early problems because the O/S is always updated.
and ahead of just about everyone else.

P.S. If you find mistakes or have suggestions in the attached Manual html, please let me know.

On Sat, Mar 14, 2026 at 2:13 PM Terje J. Hanssen via Cin <cin@lists.cinelerra-gg.org> wrote:
This is a bunch of follow-up questions I feel both users and
occasionally builders want easy clarified without to much research or
experiments. I neither say these cannot be partly answered in nor
derived from the manual documentation.  Additional questions may appear ;)

Q1
What capabilites/features does the pre-build Cingg AppImage and/vs the
package build (ex. RPM) have?
especially with regards to ffmeg, multimedia codecs, encoders etc.

Q2
Is the AppImage static linked and RPM dynamic linked or combined
dynamic/staticvwith regards to libs?

Q3
Does the AppImage use the thirdparty ffmpeg and the RPM the local system
ffmpeg?
or are both static builds with third party ffmpeg

Q4
Where is possibly the ffmpeg binary for the extracted AppImage and
installed RPM?
for own build ffmpeg binary is found in
cinelerra-5.1/thirdparty/ffmpeg-8.0/ffmpeg

Q5
Who make and maintain the thirdparty ffmpeg and what extra codecs are added?

Q6
What are the configure scripts for the AppImage vs RPM?

Q7
What extra capabilites/features may be achieved and justified with own
custom build?
what config elements?

Q8
How often is it needed or suggested to download (or update if possible)
the source repo via git clone?





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