[vlc-devel] [PATCH 6/5] [RFC] input: allow setting the "sout" while playing and restart the output accordingly

[Steve Lhomme]

On Tue, Apr 26, 2016 at 2:40 PM, Rémi Denis-Courmont <remi at remlab.net> wrote:
> Le 2016-04-26 13:45, Steve Lhomme a écrit :
>>
>> On Sat, Apr 23, 2016 at 3:09 PM, Steve Lhomme <robux4 at gmail.com> wrote:
>>>
>>> On Sat, Apr 23, 2016 at 11:52 AM, Rémi Denis-Courmont <remi at remlab.net>
>>> wrote:
>>>>
>>>> On Friday 22 April 2016 17:56:46 Steve Lhomme wrote:
>>>>>
>>>>> setting the "sout" on the libvlc instance also works, rather than the
>>>>> input_thread_t
>>>>
>>>>
>>>> No. This is known to cause a lot of problems and have caused a lot more
>>>> in the
>>>> past.
>>>
>>>
>>> Where is the user supposed to set the "sout" (by means of the UI) so
>>> that it uses the proper render?
>>>
>>>  Looking at the "vout" it's either in the config or directly on the
>>> currently playing input_thread_t. I'm fine with setting the value in
>>> the config, the user will have to explicitly disable the renderer
>>> between VLC launches.
>>
>>
>> If we want to be able to update the output chain when the "sout" is
>> set/unset during playback, we need a way to hook the callback on the
>> "sout" variable.
>
>
> If is the important word. I think that is utterly insane and thus unwanted.
>
> The sout instance, the sout plugins downstream, and the ES output upstream
> are all stateful and tied to the demuxer(s). We can't just change them while
> the input thread is running.

Isn't that what ES_OUT_RESTART_ES is for ? If they're tried, they're
untied at that point.

> --
> Rémi Denis-Courmont
> http://www.remlab.net/
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