Re: [FFmpeg-user] Cant find proper code for using complex filter and overlay with VAAPI

2020-06-07 Thread KoreanFanOfficial
For record with vaapi i use command: >DRI_PRIME=1 LIBVA_DRIVER_NAME=radeonsi ffmpeg -y -hwaccel vaapi -vaapi_device /dev/dri/renderD128 -hwaccel_output_format vaapi \ -framerate 30 -video_size 1920x1080 -f x11grab -i :0.0 -f pulse -ac 2 -i default \ -vf

[FFmpeg-user] Slow seeking for GB-scale MOVs?

2020-06-07 Thread John Hawkinson
When I try to seek within a 5 GB MOV file (24 hours 12 minutes of video; someone screwed up) over http, it seems that ffmpeg downloads a lot more data than is necessary, and so is fairly slow to start (delay of minutes on a medium-speed network connection), seemingly unnecessarily so. In

Re: [FFmpeg-user] Cant find proper code for using complex filter and overlay with VAAPI

2020-06-07 Thread Ted Park
Hi there, > Always i got error: > >Impossible to convert between the formats supported by the filter > 'Parsed_format_' and the filter 'auto_scaler_' Error reinitializing > filters! Failed to inject frame into filter network: Function not > implemented There is an automatic format conversion

Re: [FFmpeg-user] libaom - first frame not lossless when > 7 frames in source

2020-06-07 Thread Kieran O Leary
On Sun, Jun 7, 2020 at 10:06 PM pdr0 wrote: > Intra only compression , using -g 1 makes it lossless . Maybe a clue there > Aye - I can confirm that -g 1 produces matching framemd5s. K ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org

Re: [FFmpeg-user] libaom - first frame not lossless when > 7 frames in source

2020-06-07 Thread pdr0
Intra only compression , using -g 1 makes it lossless . Maybe a clue there Not sure why there is a discrepancy between aomenc, and ffmpeg libaom-av1 -- Sent from: http://www.ffmpeg-archive.org/ ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org

Re: [FFmpeg-user] libaom - first frame not lossless when > 7 frames in source

2020-06-07 Thread Kieran O Leary
Hi Carl, On Sun, Jun 7, 2020 at 9:18 PM Carl Eugen Hoyos wrote: > Am So., 7. Juni 2020 um 19:16 Uhr schrieb Kieran O Leary > : > > > On Sun 7 Jun 2020, 17:56 pdr0, wrote: > > > > > Kieran O Leary wrote > > > > Any idea what's happening? Will I get the libx264-style answer: > 'this is > > > >

Re: [FFmpeg-user] libaom - first frame not lossless when > 7 frames in source

2020-06-07 Thread pdr0
Carl Eugen Hoyos-2 wrote > Could it be the number of cores in your system / is the issue reproducible > with -threads 1 ? Issue is still present with -threads 1 Does not appear to be related to pixel format (eg. affects yuv420p source test as well) -- Sent from:

Re: [FFmpeg-user] libaom - first frame not lossless when > 7 frames in source

2020-06-07 Thread Carl Eugen Hoyos
Am So., 7. Juni 2020 um 19:16 Uhr schrieb Kieran O Leary : > On Sun 7 Jun 2020, 17:56 pdr0, wrote: > > > Kieran O Leary wrote > > > Any idea what's happening? Will I get the libx264-style answer: 'this is > > > googles issue, > > > > I can replicate the ffmpeg issue (and with other sources), but

Re: [FFmpeg-user] libaom - first frame not lossless when > 7 frames in source

2020-06-07 Thread Kieran O Leary
Hi On Sun 7 Jun 2020, 17:56 pdr0, wrote: > Kieran O Leary wrote > > Any idea what's happening? Will I get the libx264-style answer: 'this is > > googles issue, > > I can replicate the ffmpeg issue (and with other sources), but I don't know > what the problem is > > It's not a "google" issue,

Re: [FFmpeg-user] libaom - first frame not lossless when > 7 frames in source

2020-06-07 Thread pdr0
Kieran O Leary wrote > Any idea what's happening? Will I get the libx264-style answer: 'this is > googles issue, I can replicate the ffmpeg issue (and with other sources), but I don't know what the problem is It's not a "google" issue, because AOM aomenc.exe works, and produces lossless output

[FFmpeg-user] hwaccel pssible nvenc+decklink ??

2020-06-07 Thread Matthew Reus
*ffmpeg -fflags +genpts -vsync 0 -hwaccel_device 1 -hwaccel_output_format cuda -format_code pal -f decklink -i 'DeckLink Quad (4)' -vf "format=yuv420p|cuda,yadif_cuda=0:-1:0,scale_npp=1280:720" -b:v 3M -bf 2 -aspect 16:9 -profile:v main -preset:v medium -c:v h264_nvenc -c:a aac -b:a 128k -ar