Re: [Nix-dev] gstreamer plugins missing

[Bjørn Forsman]

On 6 November 2016 at 15:05, Stefan Huchler  wrote:
>> On 6 November 2016 at 11:43, Bjørn Forsman  wrote:
>> Fix: https://github.com/NixOS/nixpkgs/pull/20207
>
> Thanks, nice. Does it first get merged only in unstable? If so how long
> does it take to get backported to stable?

I'd like to backport it to stable after it is merged to unstable. When
it appears in the channel varies a bit, you can see
http://howoldis.herokuapp.com/ for how much the current lag is.

Best regards,
Bjørn Forsman
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Re: [Nix-dev] gstreamer plugins missing

[Stefan Huchler]

Bjørn Forsman  writes:

> On 6 November 2016 at 11:43, Bjørn Forsman  wrote:
>> On 6 November 2016 at 01:50, Stefan Huchler  wrote:
>>> [...]
>>> gst-inspect | grep -i "rtsp"  should print something but it does not.
>>>
>>> I installed gstreamer gst_plugins_good gst_plugins_base over
>>> configuration.nix file.
>>>
>>> I even tried to manualy install the 0.10 or 1.0 versions both without
>>> any success.
>>
>> Originally, this was by design.
>> [...]
>> Now it seems that functionality has become broken due to the
>> multiple-output change.
>
> Fix: https://github.com/NixOS/nixpkgs/pull/20207


Thanks, nice. Does it first get merged only in unstable? If so how long
does it take to get backported to stable?

I mean if I have to I can switch to unstable on that machine, just had
no reason so far :)

greetings

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Re: [Nix-dev] gstreamer plugins missing

[Bjørn Forsman]

On 6 November 2016 at 11:43, Bjørn Forsman  wrote:
> On 6 November 2016 at 01:50, Stefan Huchler  wrote:
>> [...]
>> gst-inspect | grep -i "rtsp"  should print something but it does not.
>>
>> I installed gstreamer gst_plugins_good gst_plugins_base over
>> configuration.nix file.
>>
>> I even tried to manualy install the 0.10 or 1.0 versions both without
>> any success.
>
> Originally, this was by design.
> [...]
> Now it seems that functionality has become broken due to the
> multiple-output change.

Fix: https://github.com/NixOS/nixpkgs/pull/20207

Best regards,
Bjørn Forsman
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Re: [Nix-dev] gstreamer plugins missing

[Bjørn Forsman]

On 6 November 2016 at 01:50, Stefan Huchler  wrote:
> Hi,
>
> I try to stream a rtsp or http adress from spydroid to /dev/videoX.
>
> So gstreamer seems to be best suited for that.
>
> gst-launch rtspsrc location=rtsp://192.168.1.154:8086 ! decodebin !
> v4l2sink device=/dev/video0
>
> something like that should do the trick in theory. But there seems to be
> no rtsp src installed.
>
> gst-inspect | grep -i "rtsp"  should print something but it does not.
>
> I installed gstreamer gst_plugins_good gst_plugins_base over
> configuration.nix file.
>
> I even tried to manualy install the 0.10 or 1.0 versions both without
> any success.
>
>
> it should be in gst-plugins-good, any idea what I am doing wrong?

Originally, this was by design. You'd have to make a Nix file to build
an environment where gstreamer would find its plugins. Later,
gstreamer-1.0 (not 0.10) was patched to find plugins in $NIX_PROFILES.
That meant you could now install plugins in configuration.nix and with
nix-env. That change was a bit controversial, but went through to
master. Now it seems that functionality has become broken due to the
multiple-output change. The "out" output is wrapped, but all the
binaries that need wrapping are in "dev".

Best regards,
Bjørn Forsman
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[Nix-dev] gstreamer plugins missing

[Stefan Huchler]

Hi,

I try to stream a rtsp or http adress from spydroid to /dev/videoX.

So gstreamer seems to be best suited for that.

gst-launch rtspsrc location=rtsp://192.168.1.154:8086 ! decodebin !
v4l2sink device=/dev/video0

something like that should do the trick in theory. But there seems to be
no rtsp src installed.

gst-inspect | grep -i "rtsp"  should print something but it does not.

I installed gstreamer gst_plugins_good gst_plugins_base over
configuration.nix file.

I even tried to manualy install the 0.10 or 1.0 versions both without
any success.


it should be in gst-plugins-good, any idea what I am doing wrong?

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