[FFmpeg-user] Support request - configuring ffmpeg for YouTube Live 60fps

[Stuart Porter]

Thanks micael, I don't know. Ill get the developer to have a look.

On Wed, 25 Apr 2018, 17:26 Micael Silva, <micaelsilva at gmail.com> wrote:

> Are you using Intel i5, right? Have you checked if is it possible to use
> the hardware acceleration encoding? Many processors came with Quick Sync
> Video and ffmpeg supports it. Your error could be caused by frame queue on
> a slow encoding.
>
> On Wed, 25 Apr 2018, 12:45 Stuart Porter, <stuart.porter at ctvc.co.uk>
> wrote:
>
> > Hi there,
> >
> > Firstly, forgive any rookie mistakes – I’m new here and not a seasoned
> > support blog user. Neither am I a developer of any sort.
> >
> > I’m working with a developer though and we are trying to configure ffmpeg
> > to stream live from a video capture device capturing at 60fps (AverMedia
> > Live Gamer HD2) with audio, to YouTube Live using rtmp. The machine I
> want
> > to stream from is Windows7 64-bit with Intel Core i5-6400 CPU @ 2.70GHz
> >
> > I’m happy to use either h264 or vp9 codec. And have tried configuring
> > numerous examples taken from previous posts but nothing works.
> >
> > e.g. for VP9 I have tried
> >
> >  ffmpeg -f dshow -video_size 1920x1080 -r 60 -i video="AVerMedia Live
> Gamer
> > HD 2":audio="Line (3- AVerMedia Live Gamer H" -r 30 -g 60 -s 1920x1080
> > -quality good -speed 5 -threads 16 -row-mt 1 -tile-columns 3
> > -frame-parallel 1 -qmin 4 -qmax 48 -b:v 7800k -c:v libvpx-vp9 -b:a 128k
> > -c:a libopus -f webm rtmp://a.rtmp.youtube.com/live2/[my
> <http://a.rtmp.youtube.com/live2/%5Bmy>
> > <http://a.rtmp.youtube.com/live2/%5Bmy> key]
> >
> > results in a string of failures such as
> >
> > [dshow @ 00000000003d4dc0] real-time buffer [AVerMedia Live Gamer HD 2]
> > [video input] too full or near too full (272% of size: 3041280 [rtbufsize
> > parameter])! frame dropped!
> >
> > We have tried adjusting the quality, speed, framerate and bandwidth but
> get
> > very similar results each time.
> >
> > However, when I use the software which comes with the video capture card
> I
> > can get a perfect stream – so I know it’s not down to the capacity of the
> > card or other hardware on the machine. I’m not choosing to use that
> > software because we need to remotely control the video and the current
> > software doesn’t allow that.
> >
> > Can anyone help me work out where I’m going wrong?
> >
> > *Stuart Porter **| Head of Digital  *
> >
> > *C**T**V**C* <http://www.ctvc.co.uk/> | McBeath House | 1st Floor | 310
> > Goswell Road | London | EC1V 7LW
> > <
> >
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> >
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