AW: Audio Disable for only audio playback

Thornton, Keith keith.thornton at zeiss.com
Thu Oct 12 08:39:20 UTC 2017


Hi
An alternative might be to use an outputselector

-----Ursprüngliche Nachricht-----
Von: gstreamer-devel [mailto:gstreamer-devel-bounces at lists.freedesktop.org] Im Auftrag von Shishir Pokharel
Gesendet: Donnerstag, 12. Oktober 2017 07:22
An: Discussion of the development of and with GStreamer <gstreamer-devel at lists.freedesktop.org>
Betreff: Re: Audio Disable for only audio playback

You might need to use pad_probe and block the buffer flow before you remove exiting sink. After you replace the sink make the new sink¹s runtime match the pipeline runtime and remove the probe, that should take care of your issue. Anyone - correct me if I am wrong.

On 10/11/17, 10:15 PM, "gstreamer-devel on behalf of DeepakRohan"
<gstreamer-devel-bounces at lists.freedesktop.org on behalf of deepak027rohan077 at gmail.com> wrote:

>Hi,
>
>    I am trying to disable audio, while playing a "only-audio" file.
>
>But then what is the expected result???
>
>I am expecting a behavior such that after removing audio sink and 
>linking with fakesink (with sync=TRUE), can the pipeline run without 
>outputting any data, but with elapsed time increasing.
>
>Can the above behavior be achieved or is there a possibility.
>
>Currently the moment audio sink is removed I get GST_MESSAGE_CLOCK_LOST.
>But then after handling that message I have no element in the pipeline 
>that can provide me clock.
>So my playback goes for toss.
>
>But the same is working for disabling audio and video for a audio-video 
>file.
>That is to say in case of audio-video files, there is no audio and 
>video outputs. But elapsed time keeps incrementing.
>
>Can the same behavior be achieved while playing only a single stream 
>(only audio or only video files).
>
>Please let me know if I can refer something on the same
>
>Thanks in Advance :-)
>
>
>
>--
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