PTS Offset to Add Artificial Delay Not Working

[Abrar Shahriar]

I tried adding Queue plugins both before and after, still no success. Do I need to set some params of the Queue elements?


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アブラル・ザヒン・シャハリアル  (Abrar Zahin Shahriar)

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________________________________
From: Michiel Konstapel <michiel at aanmelder.nl>
Sent: Monday, May 16, 2022 6:11 PM
To: Discussion of the development of and with GStreamer <gstreamer-devel at lists.freedesktop.org>
Cc: Abrar Shahriar <abrar.shahriar at hiperdyne.com>
Subject: Re: PTS Offset to Add Artificial Delay Not Working


You may need to ensure that you have at least 5 seconds of queue capacity, because the buffers will have to be held somewhere before they can be processed at the later PTS. I don't know if this needs to be before the probed pad, or before the downstream element that cares about the PTS (sink, muxer, mixer, encoder, ..?)
Kind regards,
Michiel


On 16-05-2022 11:05, Abrar Shahriar via gstreamer-devel wrote:
Hi,

I tried to add 5 seconds (in ns) to the PTS values on the incoming buffers in a probe, but I see no delay. I tried it for both audio and video streams.

What could be the reason for it not working? I thought PTS could be used to adjust delay?

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