[FFmpeg-user] 回复： 回复： Unable to compile(configure failed) ffmpeg on Ubuntu20.04

[Ferdi Scholten]

Sorry for the unreadable HTML. Now switched to txt only.
> Am 31.07.23 um 12:00 schrieb 玄原 via ffmpeg-user:
> > Commented inline.
>
> get some useful mail-client
>
> that crap had already html-entities in your initial mail and is
> producing unreadable HTML nonsense
>
> anyways, it's idiotic talking about the NASM version when you disable
> ASM altogehter
>
> > ------------------原始邮件------------------
> > 发件人:  "FFmpeg user questions" <h.reindl at thelounge.net;> 发送时间:2023年7月31日(星期一) 下午5:49
> > 收件人:"ffmpeg-user"<ffmpeg-user at ffmpeg.org;>
> > 主题:Re: [FFmpeg-user] Unable to compile(configure failed) ffmpeg on Ubuntu20.04
> >
> >
> > Am 31.07.23 um 10:18 schrieb 玄原 via ffmpeg-user:
> >  I'm not able to compile ffmpeg(4.1.6 or 4.4.4) on Ubuntu20.04.
> >
> > h.reindl:why do you compile such a stoneold version?
> > Beffery: There is some changes with h265 in flv container in the old version. Maybe I will update it to latest version later.
> >
> >
> >  Details:
> >  There is assembler error in the config.log which I not sure whether this matter or not.
> >  I can see the the nasm is there.
> >  root at user:/var/backups/workwork/ffmpeg-4.4.4/ffbuild# nasm --version
> >  NASM version 2.14.02
> >
> > h.reindl:and why do you use "--disable-x86asm --disable-asm"?
> > Beffery: This is just to take a try. Even without these two options, configuration still failed. Attached new log.
> >
> >  I have installed all dependency following: https://trac.ffmpeg.org/wiki/CompilationGuide/Ubuntu
These dependencies are for the latest version, they have changed 
considerably in the past years, likely you are missing some (now 
deprecated or removed) dependencies. There are many "fatal errors" in 
your log indicating some missing libraries, some of them expected, for 
example you do not have windows libraries on Ubuntu so these tests fail 
by default (unless you want to cross compile). Go through the logs and 
checkout all these errors and try to install the corresponding (dev) 
packages.

Or better: update to the latest version.
Apparently if you want h265 support in the flv container, officially 
this is not supported by the flv container and since it is also 
officially dead, will never be added by FFmpeg.
You can however patch it in, even in version 6.0, you will need to use 
this: https://github.com/runner365/ffmpeg_rtmp_h265
> >
> >  The command I used:./configure --prefix=/usr/local/ --enable-gpl --enable-nonfree --enable-libx264 --enable-libx265 --enable-debug --disable-optimizations --enable-shared --enable-pthreads --enable-network --enable-pic --disable-x86asm --disable-asm --disable-symver --disable-devices --disable-avdevice --disable-ffplay
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