Try this if you can use VAAPI: https://gist.github.com/Brainiarc7/7b6049aac3145927ae1cfeafc8f682c1
On 25 April 2018 at 19:18, Micael Silva <[email protected]> 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, <[email protected]> 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 * >> >> *C**T**V**C* <http://www.ctvc.co.uk/> | McBeath House | 1st Floor | 310 >> Goswell Road | London | EC1V 7LW >> < >> https://www.google.com/maps/dir//CTVC,+MacBeath+House,+310+Goswell+Rd,+London+EC1V+7LW,+UK/@51.5303537,-0.1033914,18.08z/data=%214m8%214m7%211m0%211m5%211m1%211s0x48760346117ae513:0x29b32b81d4111d0a%212m2%211d-0.1021599%212d51.5297478?hl=en-GB >> >(+44) >> 0207 940 8495 | (+44) 07870 233 359 | Skype: stuartctvc >> >> -- >> >> >> Registered in England No. 1375941 (Registered Office 12 Warwick Square >> London SW1V 2AA) >> Charity No. 276286 >> >> >> >> This email, and any attachment, is >> confidential. If you have received it in error, please delete it from your >> system, do not use or disclose the information in any way, and notify the >> originator immediately. The contents of this message may contain personal >> views which are not the views of CTVC, unless specifically stated. Please >> note CTVC does not warrant that any attachments are free from viruses or >> other defects and accepts no liability for any losses resulting from >> infected email transmissions. >> >> > _______________________________________________ > ffmpeg-user mailing list > [email protected] > http://ffmpeg.org/mailman/listinfo/ffmpeg-user > > To unsubscribe, visit link above, or email > [email protected] with subject "unsubscribe". _______________________________________________ ffmpeg-user mailing list [email protected] http://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email [email protected] with subject "unsubscribe".
