probleme lors de la compilation de ffmpeg

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probleme lors de la compilation de ffmpeg

CHRISTOPHE CBRO
bonjour, pour l'école de musique de jeune enfants, nous essayons de
fabriquer un mur de led pour les concerts.
lors de la compilation de FFMPEG, nous avons des erreurs bloquantes.
nous avons un raspberry Pi 3 mis a jour sous Rasbian.

voici le config.log

Accepteriez-vous de nous aider ?

merci d'avance et merci pour vos projets utiles pour les enfants

Christophe

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Re: probleme lors de la compilation de ffmpeg

Cley Faye
Le 7 mars 2018 à 12:35, CHRISTOPHE CBRO <[hidden email]> a écrit :

> bonjour, pour l'école de musique de jeune enfants, nous essayons de
> fabriquer un mur de led pour les concerts.
> lors de la compilation de FFMPEG, nous avons des erreurs bloquantes.
> nous avons un raspberry Pi 3 mis a jour sous Rasbian.
>
> voici le config.log
>
> Accepteriez-vous de nous aider ?
>
>
>
​As far as I know, this mailing list is only in english.

The above roughly translate to "we get error when building ffmpeg on a rpi3
w/ raspbian, here's the config.log".​

The direct cause of this is that you ask configure to enable librtmp with
--enable-librtmp but the configure script can't find the development files
for librtmp. If you really want to support this, on a debian system
installing "librtmp-dev" should be enough if you're not doing anything
specific like cross-compiling or using custom prefix.

Note that this kind of error is likely to happen with other libraries if
you don't have all dependencies installed. Again, for most of them it'll
boild down to installing the appropriate "-dev" package *FOR SIMPLE CASES*.
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Re: probleme lors de la compilation de ffmpeg

Davood Falahati-2
Cher Chriistophe,

> lors de la compilation de FFMPEG, nous avons des erreurs bloquantes.

La langue officielle est l'anglais. Mais, pourqoui vous n'utilisez pas les
pre-built FFMPEG executables?

-Davood Falahati
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Re: probleme lors de la compilation de ffmpeg

Lou Logan
In reply to this post by Cley Faye
On Wed, Mar 7, 2018, at 1:44 PM, Cley Faye wrote:
>
> The direct cause of this is that you ask configure to enable librtmp with
> --enable-librtmp but the configure script can't find the development files
> for librtmp. If you really want to support this, on a debian system
> installing "librtmp-dev" should be enough if you're not doing anything
> specific like cross-compiling or using custom prefix.

Alternatively, remove "--enable-librtmp". FFmpeg has native rtmp support, so enabling librtmp may not be needed (but I'm unsure what additional features or whatever librtmp provides over the native implementation).
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