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

Stuart Porter stuart.porter at ctvc.co.uk
Wed Apr 25 19:43:26 EEST 2018


Thanks Dennis.

Will VAAPI work on Win7?

On Wed, 25 Apr 2018, 17:36 Dennis Mungai, <dmngaie at gmail.com> wrote:

> Try this if you can use VAAPI:
> https://gist.github.com/Brainiarc7/7b6049aac3145927ae1cfeafc8f682c1
>
> On 25 April 2018 at 19:18, 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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> >> 0207 940 8495 | (+44) 07870 233 359 | Skype: stuartctvc
> >>
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