vp8 v/s vp9 encoder in terms of performance

[Nicolas Dufresne]

Le lundi 25 mars 2019 à 21:50 +0530, Saurabh Bora a écrit :
> Hi, As suggested I added the property deadline=1 to the pipeline
> gst-launch-1.0 videotestsrc ! autovideoconvert ! vp8enc deadline=1 ! vp8dec ! autovideosink
> 
> Still video streaming lags significantly when vp9 encoder is used.
> 
> Can you please help understand when must one use vp9 over vp8 and vice versa?
> Or is there a way to use vp9 encoder and achieve same performance as that of vp8 encoder?

VP9 is a much more complex CODEC. Did you consider of checking your CPU usage ? Maybe your CPU is just not fast enough for real-time vp9.
> On Mon, Mar 25, 2019 at 8:35 PM Nicolas Dufresne <nicolas at ndufresne.ca> wrote:
> > Le lundi 25 mars 2019 à 18:35 +0530, Saurabh Bora a écrit :
> > > Hi Experts!
> > > I am using a dummy pipeline below to test performance of vp8 encoder v/s vp9 encoder
> > > gst-launch-1.0 videotestsrc ! autovideoconvert ! vp8enc ! vp8dec ! autovideosink
> > > 
> > > Just replace vp8 by vp9 to use vp9 encoder in the pipeline.
> > > 
> > > My observation is that, video streaming in case of vp9 encoder lags significantly as compared to vp8 encoder.
> > > 
> > > Can you please help me understand, when should one use vp9 over vp8 or vice versa?
> > 
> > For live streaming with vp8/vp9 encoder, you could configured the deadline, otherwise the encoder will run in "offline" mode and will take quite variable amount of time per frame and may not be real-time in the end. Try deadline=1 as an example.
> > > -- 
> > > Thanks and Regards,
> > > Saurabh Bora
> > > 
> > > PH NO : 7038166900
> > > EMAIL : saurabh9bora at gmail.com
> > >              saurabh9bora at outlook.com
> > > 
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