<div dir="auto">Thanks ... Good to know</div><br><div class="gmail_quote"><div dir="ltr">On Thu, Jul 19, 2018, 6:21 PM Thibault Saunier <<a href="mailto:tsaunier@gnome.org">tsaunier@gnome.org</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">This is correct yes. I just figured that your problem is that you add<br>
an *audio* effect on a *video only* clip.... I tested and that fails<br>
in the way you describe (we should probably be smarter here, but it is<br>
a programming error on your side.<br>
<br>
On Thu, Jul 19, 2018 at 7:03 PM David Ing <<a href="mailto:ding@panopto.com" target="_blank" rel="noreferrer">ding@panopto.com</a>> wrote:<br>
><br>
> My timeline consists of 3 layers, where each layer has a GESUriClip.<br>
><br>
> For each of the 3 clips, ...<br>
><br>
> I created a GESEffect using either<br>
><br>
> GESEffect* gesEffect = ges_effect_new("volume volume=1.0")<br>
><br>
> GESEffect* gesEffect = ges_effect_new("volume mute=true")<br>
><br>
> Then I added the effect to the clip<br>
><br>
> ges_container_add(reinterpret_cast<GESContainer*>(gesUriClip), reinterpret_cast<GESTimelineElement*>(gesEffect))<br>
><br>
> Is this generally the correct way to add effects to clips? (Sometimes I feel like I'm groping around a dark hallway.)<br>
><br>
> On Thu, Jul 19, 2018 at 3:53 PM, Thibault Saunier <<a href="mailto:tsaunier@gnome.org" target="_blank" rel="noreferrer">tsaunier@gnome.org</a>> wrote:<br>
>><br>
>> > Thibault, your suggestion for #1 worked like a charm. It fixed both of the problems.<br>
>> ><br>
>> > I have two followup questions.<br>
>> ><br>
>> > This experience has me a little worried. If GESEffect does not work well for the `volume` plugin, can I expect problems with most of the other plugins?<br>
>><br>
>> Well, we use it very extensively in Pitivi without (known) problem,<br>
>> how did you use them exactly?<br>
>><br>
>> > For future reference, I don't know how to save a *.xges file. Would I use `ges_timeline_save_to_uri` for that?<br>
>><br>
>> Yes.<br>
>><br>
>> > On Thu, Jul 19, 2018 at 2:35 PM, Thibault Saunier <<a href="mailto:saunierthibault@gmail.com" target="_blank" rel="noreferrer">saunierthibault@gmail.com</a>> wrote:<br>
>> >><br>
>> >> Hello,<br>
>> >><br>
>> >> 1. Setting mute=true means that the source will send silent, which is<br>
>> >> not what you want. Also you do not need an effect to handle the volume<br>
>> >> as there is already a volume element inside sources you can use the<br>
>> >> ges_timeline_element_set_child_property(element, "volume"....)[0]<br>
>> >> method to set it. You can see what properties audio sources expose<br>
>> >> here: <a href="https://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer-editing-services/html/GESAudioSource.html" rel="noreferrer noreferrer" target="_blank">https://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer-editing-services/html/GESAudioSource.html</a><br>
>> >><br>
>> >> 2. Layer with lower priorities are on top of the stack of layers,<br>
>> >> meaning that layer with prio=0 is "the first". Now I am not sure why<br>
>> >> you get that error but it seems to be a NLEObject priority issue.<br>
>> >> Providing a .xges file would help (just save your timeline and paste<br>
>> >> it here if removing the effect doesn't work).<br>
>> >><br>
>> >> Regards,<br>
>> >><br>
>> >> Thibault Saunier<br>
>> >><br>
>> >> [0] <a href="https://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer-editing-services/html/GESTimelineElement.html#ges-timeline-element-set-child-property" rel="noreferrer noreferrer" target="_blank">https://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer-editing-services/html/GESTimelineElement.html#ges-timeline-element-set-child-property</a><br>
>> >> _______________________________________________<br>
>> >> gstreamer-devel mailing list<br>
>> >> <a href="mailto:gstreamer-devel@lists.freedesktop.org" target="_blank" rel="noreferrer">gstreamer-devel@lists.freedesktop.org</a><br>
>> >> <a href="https://lists.freedesktop.org/mailman/listinfo/gstreamer-devel" rel="noreferrer noreferrer" target="_blank">https://lists.freedesktop.org/mailman/listinfo/gstreamer-devel</a><br>
>> ><br>
>> ><br>
>> > _______________________________________________<br>
>> > gstreamer-devel mailing list<br>
>> > <a href="mailto:gstreamer-devel@lists.freedesktop.org" target="_blank" rel="noreferrer">gstreamer-devel@lists.freedesktop.org</a><br>
>> > <a href="https://lists.freedesktop.org/mailman/listinfo/gstreamer-devel" rel="noreferrer noreferrer" target="_blank">https://lists.freedesktop.org/mailman/listinfo/gstreamer-devel</a><br>
>> _______________________________________________<br>
>> gstreamer-devel mailing list<br>
>> <a href="mailto:gstreamer-devel@lists.freedesktop.org" target="_blank" rel="noreferrer">gstreamer-devel@lists.freedesktop.org</a><br>
>> <a href="https://lists.freedesktop.org/mailman/listinfo/gstreamer-devel" rel="noreferrer noreferrer" target="_blank">https://lists.freedesktop.org/mailman/listinfo/gstreamer-devel</a><br>
><br>
><br>
> _______________________________________________<br>
> gstreamer-devel mailing list<br>
> <a href="mailto:gstreamer-devel@lists.freedesktop.org" target="_blank" rel="noreferrer">gstreamer-devel@lists.freedesktop.org</a><br>
> <a href="https://lists.freedesktop.org/mailman/listinfo/gstreamer-devel" rel="noreferrer noreferrer" target="_blank">https://lists.freedesktop.org/mailman/listinfo/gstreamer-devel</a><br>
_______________________________________________<br>
gstreamer-devel mailing list<br>
<a href="mailto:gstreamer-devel@lists.freedesktop.org" target="_blank" rel="noreferrer">gstreamer-devel@lists.freedesktop.org</a><br>
<a href="https://lists.freedesktop.org/mailman/listinfo/gstreamer-devel" rel="noreferrer noreferrer" target="_blank">https://lists.freedesktop.org/mailman/listinfo/gstreamer-devel</a><br>
</blockquote></div>