How to set transparency
ensonic at hora-obscura.de
Wed Apr 4 06:55:13 PDT 2012
On 04/03/2012 05:30 PM, kususe wrote:
> How do you code the part of pipeline to fix the transparency
> "gst-launch-0.10 filesrc location=/home/boss/Scrivania/test_dc/geo.png !
> pngdec ! imagefreeze ! ffmpegcolorspace ! videomixer name=mix
> sink_1::alpha=0.7 ! ffmpegcolorspace ! xvimagesink filesrc
> location=video.webm ! matroskademux ! vp8dec ! mix.
get a reference to the sink_1 pad and set the gobject property called
"alpha" to 0.7.
the alternative would be the python equiv of
gst_child_proxy_set(mix, "sink_1::alpha", 0.7, NULL);
> I tried using alpha element, but it doesn't work.
> I tried to use videoboxelement but the transparency setted up with alpha
> doesn't work.
> I tried saving a transparent image, but it doesn't work.
> Have you got any suggestion?
> Thanks in advance,
> View this message in context: http://gstreamer-devel.966125.n4.nabble.com/How-to-set-transparency-tp4529144p4529144.html
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