Video artifacts on a receiver side after re-creating of its pipeline

[Denis Shienkov]

Hi Tim,

 > Do the artefacts disappear after a few seconds (when the producer
generates a new keyframe)?

No, an artifacts stays forewer, until I do not restart the producer. :(


10.01.2018 16:47, Tim Müller пишет:
> On Wed, 2018-01-10 at 16:23 +0300, Denis Shienkov wrote:
>
> Hi,
>
>> I use two own applications: producer & consumer.
>> A producer generates the video stream and sends to the UDP sink.
>> A consumer receives this stream and displays a video content.
>>
>> When the consumer started before the producer, then I did not get any
>> video artifacts on an consumer.
>>
>> But, when I try to do stop/start the consumer (when the producer
>> already running), then I see many video artifacts on the consumer.
>>
>> A possible workaround it is try to restart the producer (in this case
>> the consumer receives good video content).
> Do the artefacts disappear after a few seconds (when the producer
> generates a new keyframe)?
>
> If yes, then all you need to do is force the encoder on the producer
> side to generate a new keyframe whenever you add a client. You can do
> that with gst_video_event_new_upstream_force_key_unit() for example.
>
> Cheers
> -Tim
>