I'm attempting an inplementation of live instant replay: fork a source, and switch between real-time and a lagged copy.
I took the video sink off a decodebin, tee'd it to two queues, each with their own autovideosinks. So now I have two windows playing synchronized video.
Question: How can I skew one stream's timestamps to be, for example, two seconds behind the other?
Messing with ts-offset on the autovideosinks didn't seem to do anything, and setting a queue's limits/thresholds either did nothing or broke the pipe.
Granted a useful delay would be upwards of a minute, so I guess my follow-up would be: is there an example I could use to make a GStreamer filter that delays using a file-backed circular buffer? I'd like to stick to the java-bindings, but I'll take any reference I can get.
David
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