bug#44453: MPEG-4 AAC decoder plugin is not installed

bug#44453: MPEG-4 AAC decoder plugin is not installed

[musics--- via Bug reports for GNU Guix]

[-- Attachment #1: Type: text/plain, Size: 192 bytes --]

To play a video with totem, I have this problem:
 
An error occurred
The playback of this movie requires a MPEG-4 AAC decoder plugin which is not installed.

What package should be installed?

[-- Attachment #2: Type: text/html, Size: 401 bytes --]

bug#44453: MPEG-4 AAC decoder plugin is not installed

[Leo Famulari]

On Wed, Nov 04, 2020 at 10:27:33PM +0100, musics--- via Bug reports for GNU Guix wrote:
> To play a video with totem, I have this problem:
>  
> An error occurred
> The playback of this movie requires a MPEG-4 AAC decoder plugin which is not installed.
> 
> What package should be installed?

I'm not 100% sure, but I think you'd need the "bad" set of GStreamer
plugins — the package is called gst-plugins-bad. Totem is based on
GStreamer and gst-plugins-bad includes the faad2 AAC decoder.

Maybe we should add these plugins to our Totem package?

bug#44453: MPEG-4 AAC decoder plugin is not installed

[Mark H Weaver]

Leo Famulari <leo@famulari.name> writes:

> On Wed, Nov 04, 2020 at 10:27:33PM +0100, musics--- via Bug reports for GNU Guix wrote:
>> To play a video with totem, I have this problem:
>>  
>> An error occurred
>> The playback of this movie requires a MPEG-4 AAC decoder plugin which is not installed.
>> 
>> What package should be installed?
>
> I'm not 100% sure, but I think you'd need the "bad" set of GStreamer
> plugins — the package is called gst-plugins-bad. Totem is based on
> GStreamer and gst-plugins-bad includes the faad2 AAC decoder.

gst-libav should also be sufficient.  Also, it *might* be necessary to
install 'gstreamer' to the same profile that 'gst-*' is installed in, to
ensure that the environment variables are automatically set as needed.

> Maybe we should add these plugins to our Totem package?

I think it's important that plugins with patent-encumbered codecs, or
codecs with code quality issues, should remain *optional*, and not be
installed automatically.  It should be possible to install a modern
desktop environment in Guix that does not include these codecs.

What do you think?

      Thanks,
        Mark

bug#44453:

[musics--- via Bug reports for GNU Guix]

[-- Attachment #1: Type: text/plain, Size: 59 bytes --]

What should I do now? Install this plugin from the source?

[-- Attachment #2: Type: text/html, Size: 198 bytes --]

bug#44453:

[Tobias Geerinckx-Rice via Bug reports for GNU Guix]

[-- Attachment #1: Type: text/plain, Size: 336 bytes --]

musics--- via Bug reports for GNU Guix 写道：
> What should I do now? Install this plugin from the source?

If you're OK with using patent-encumbered codex like MP4 simply:

  $ guix install gst-libav

if that doesn't fix your troubles:

  $ guix install gst-plugins-bad

(You won't need both.)

Kind regards,

T G-R

[-- Attachment #2: signature.asc --]
[-- Type: application/pgp-signature, Size: 247 bytes --]

bug#44453:

[musics--- via Bug reports for GNU Guix]

[-- Attachment #1: Type: text/plain, Size: 59 bytes --]

What should I do now? Install this plugin from the source?

[-- Attachment #2: Type: text/html, Size: 198 bytes --]

bug#44453:

[musics--- via Bug reports for GNU Guix]

[-- Attachment #1: Type: text/plain, Size: 61 bytes --]

Many thanks to Leo, Mark and Tobias; The problem was solved.

[-- Attachment #2: Type: text/html, Size: 200 bytes --]

bug#44453:

[musics--- via Bug reports for GNU Guix]

[-- Attachment #1: Type: text/plain, Size: 7 bytes --]

Solved

[-- Attachment #2: Type: text/html, Size: 146 bytes --]