Andrea, since you have the megapatches all in, could you run the binary and test "truehd"?  These are the steps:

   load file
   File-> BD Render
   Profile - use down arrow to choose Truehd and take rest of defaults
   Ignore Warning about root because you do not need to actually create bluray media
   It will automatically stop CinGG and you will be at a terminal window
   See if you get the same error message that I get or whatever you get:
    
+ mount -t udf -o loop /tmp/bd_20220502-092612/bd.udfs /tmp/bd_20220502-092612/udfs
+ bdwrite /tmp/bd_20220502-092612/udfs /tmp/bd_20220502-092612/bd.m2ts
unknown bluray audio format 0 ch


On Mon, May 2, 2022 at 5:17 AM Andrea paz via Cin <cin@lists.cinelerra-gg.org> wrote:
Tried the build with megapatch_12. Everything OK: it compiles without errors.
I enclose cin5_ffmpeg4.log. There are many "warning+error" concerning
Latex and the html manual and many "warning" concerning c++. I don't
know if they are important or not; everything works fine for me.
TrueHD loading and playback works fine; I tried it with 2 examples
containing video and 22 audio tracks. I have not tested the encoder.
Otherwise, I wouldn't know what to test since I don't have
termux/bsd/bluray. You tell me what to test.

Then I tried a build with --without-thirdparty (also removing dv;
libdpx and firewire), to get ffmpeg5 working. Everything works fine.
As I noticed before, putting opencv plugins is not possible: CinGG
doesn't start. Incompatibility with ffmpeg5?
I attach cin5_ffmpeg5.log, if you want to make comparisons. There are
some warnings but not the same as I had with internal ffmpeg4.
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