On Fri, Nov 22, 2024 at 2:52 PM Terje Hanssen <[email protected]> wrote: > > > > > On 11/22/24 08:45, Andrew Randrianasulu wrote: > > > > ---------- Forwarded message --------- > От: Wang, Fei W <[email protected]> > Date: пт, 22 нояб. 2024 г., 09:10 > Subject: Re: [FFmpeg-devel] qsvenc.c & AV_CODEC_FLAG_INTERLACED_DCT > To: [email protected] <[email protected]> > > > On Thu, 2024-11-21 at 11:50 +0300, Andrew Randrianasulu wrote: > > Hello. > > > > > > Recently I teached cinelerra-gg to use qsv encoders in ffmpeg > > (libavcodec) > > and some test were working but some not. > > > > We nailed it down to top-field first material, like HDV files. bff > > files > > like consumer version of DV and progressive worked fine. > > > > I looked at source and ... I thought condition at > > > > http://git.ffmpeg.org/gitweb/ffmpeg.git/blob/HEAD:/libavcodec/qsvenc.c#l852 > > > > > > must contain case for bff, but I tried this and it was reportedly not > > helping? > > > > > > We currently set flags = ildct+ilme on interlaced streams, I hope to > > avoid > > special-casing qsv encoders, but may be we have no other choice? > > > > I asked user (Terje) to add +ildct flag to his normal system ffmpeg > > line > > and it started to fail too: > > > > https://lists.cinelerra-gg.org/pipermail/cin/2024-November/009123.html > > AV1 doesn't support interlaced frame. > > > We can dual check to transcode hdv to av1_qsv again, as I did with ffmpeg in > this post > https://www.mail-archive.com/[email protected]/msg08314.html > > My issue now currently on Kaby Lake is that I have no hdv.m2t file stored and > could not find a download link with example hdv. Suggestion? >
https://archive.org/download/hdv01 > > > You may add deinterlace filter > before encoder after apply this patch: > https://patchwork.ffmpeg.org/project/ffmpeg/list/?series=13372 > > cmd: > ffmpeg -hide_banner -qsv_device /dev/dri/renderD128 - > hwaccel_output_format qsv -i input.mp4 -pix_fmt nv12 -vf > vpp_qsv=deinterlace=advanced -c:v av1_qsv -f null - > > Thanks > Fei > > > _______________________________________________ > > ffmpeg-devel mailing list > > [email protected] > > https://ffmpeg.org/mailman/listinfo/ffmpeg-devel > > > > To unsubscribe, visit link above, or email > > [email protected] with subject "unsubscribe". > > _______________________________________________ > ffmpeg-devel mailing list > [email protected] > https://ffmpeg.org/mailman/listinfo/ffmpeg-devel > > To unsubscribe, visit link above, or email > [email protected] with subject "unsubscribe". > > -- Cin mailing list [email protected] https://lists.cinelerra-gg.org/mailman/listinfo/cin
