пт, 5 дек. 2025 г., 05:38 Rob Prowel via Cin <[email protected]>:
> FYI: > > gcc-14 sees the bitshift of a negative value as an error. > > SimpleModule.h:126:47: error: left operand of shift expression ‘(-1 << > 31)’ is negative [-fpermissive] > 126 | static const int kMinSignedValue = -1 << kScaleBits; > | ~~~^~~~~~~~~~~~~ > make[6]: *** [Makefile:361: ALAC.lo] Error 1 > make[6]: Leaving directory > > '/6TB/storage/programming/cingg/cinelerra-5.1/thirdparty/audiofile-0.3.6/libaudiofile/modules' > make[5]: *** [Makefile:657: all-recursive] Error 1 > make[5]: Leaving directory > > '/6TB/storage/programming/cingg/cinelerra-5.1/thirdparty/audiofile-0.3.6/libaudiofile' > > This appears to have been fixed in upstream github master, although > there was some differing of opinion between maintainer and patch > submitter about the specific bit manipulation operations to fix it. > Thanks for reporting, I'll look into that. > > build using (cingg internal libs) > > ./configure \ > --prefix=/sharebin/cingg2511 \ > --with-thirdparty \ > --with-nv \ > --with-gl \ > --with-xv \ > --with-alsa \ > --without-cuda \ > --enable-audiofile \ > --with-jobs=1 \ > > now succeeds, but cingg version of ffmpeg/libavcodecs does not seem to > implement nvenc correctly. ie there is little difference in encoding > times between h264 and nvenc when using identical target bitrates. > Check thirdparty/src/nv-codec-headers-12.2.72.0.tar.gz depend on installed Nvidia driver (and this in turn depend on installed GPU) you may need newer or older version of those headers .... > However, when using my Debian supplied or custom compiled ffmpeg command > line transcode there is a 3:1 to 5:1 performance rate increase in nvenc. > > I think nvenc needs to be FAST so it can serve as the a default > intermediate high-bitrate render format in projects. > > -Rob > > _______________________________________________ > Cin mailing list -- [email protected] > To unsubscribe send an email to [email protected] >
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