[FFmpeg-user] Support request - configuring ffmpeg for YouTube Live 60fps
dmngaie at gmail.com
Wed Apr 25 19:28:49 EEST 2018
Try this if you can use VAAPI:
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> 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 *
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>> Goswell Road | London | EC1V 7LW
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