пт, 22 нояб. 2024 г., 19:55 Terje Hanssen <[email protected]>:
> > > > On 11/22/24 18:41, Andrew Randrianasulu wrote: > > On Fri, Nov 22, 2024 at 2:52 PM Terje Hanssen <[email protected]> > <[email protected]> wrote: > > > > On 11/22/24 08:45, Andrew Randrianasulu wrote: > > > > ---------- Forwarded message --------- > От: Wang, Fei W <[email protected]> > <[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]> > <[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 posthttps://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 > > > Thanks, I downloaded FX1_01.mpg, which even its wrong file extension is a > 1080i50 HDV recorded on a predecessor of my own Sony FX7-E camcorder.) > > mediainfo FX1_01.mpg | egrep -i "scan|bit|format|FileExtension" > Format : MPEG-TS > Overall bit rate mode : Variable > Overall bit rate : 26.1 Mb/s > Maximum Overall bit rate : 33.0 Mb/s > FileExtension_Invalid : ts m2t m2s m4t m4s tmf ts tp > trp ty > Format : MPEG Video > Format version : Version 2 > Format profile : Main@High 1440 > Format settings : CustomMatrix / BVOP > Format settings, BVOP : Yes > Format settings, Matrix : Custom > Format settings, GOP : M=3, N=12 > Format settings, picture structure : Frame > Bit rate mode : Constant > Bit rate : 24.5 Mb/s > Maximum bit rate : 25.0 Mb/s > Bit depth : 8 bits > Scan type : Interlaced > Scan order : Top Field First > Bits/(Pixel*Frame) : 0.629 > Format : MPEG Audio > Format version : Version 1 > Format profile : Layer 2 > Bit rate mode : Constant > Bit rate : 384 kb/s > Format : MPEG Video / MPEG Audio / / > > > But unhappily, the HDV --> av1_qsv transcoding I previous did on > i17-12700/DG2 WS > https://www.mail-archive.com/[email protected]/msg08314.html > > HDV --> av1_qsv -global_quality 25 > ----------------------------------- > ffmpeg -hide_banner -qsv_device /dev/dri/renderD128 -i hdv09_04.m2t > -pix_fmt nv12 -c:v av1_qsv -global_quality 25 > hdv09_04_av1_qsv_format_nv12_gq25.mp4 > > ffprobe -hide_banner hdv09_04_av1_qsv_format_nv12_gq25.mp4 > Stream #0:0[0x1](und): Video: av1 (libdav1d) (Main) (av01 / 0x31307661), > yuv420p(tv, bt709, top coded first (swapped)), 1440x1080, 7902 kb/s, SAR > 4:3 DAR 16:9, 24.99 fps, 25 tbr, 12800 tbn (default) > > is not possible on my legacy KBL i7-8550U Intel UHD Graphics 620 > > [av1_qsv @ 0x5641dd0f5440] This version of runtime doesn't support AV1 > encoding > > as confirmed by these limited capabilites > > vainfo | grep -i enc > libva info: VA-API version 1.22.0 > libva info: Trying to open /usr/lib64/dri/iHD_drv_video.so > libva info: Found init function __vaDriverInit_1_22 > libva info: va_openDriver() returns 0 > VAProfileMPEG2Simple : VAEntrypointEncSlice > VAProfileMPEG2Main : VAEntrypointEncSlice > VAProfileH264Main : VAEntrypointEncSlice > VAProfileH264Main : VAEntrypointEncSliceLP > VAProfileH264High : VAEntrypointEncSlice > VAProfileH264High : VAEntrypointEncSliceLP > VAProfileJPEGBaseline : VAEntrypointEncPicture > VAProfileH264ConstrainedBaseline: VAEntrypointEncSlice > VAProfileH264ConstrainedBaseline: VAEntrypointEncSliceLP > VAProfileVP8Version0_3 : VAEntrypointEncSlice > VAProfileHEVCMain : VAEntrypointEncSlice > VAProfileHEVCMain10 : VAEntrypointEncSlice > > By the way, neither this attempt claims about unsupported or wrong image > structure format !? > may be it not even come to this line and abort earlier? (in compiled languages functions can be executed out of order they appear in file) > > 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 > [email protected]https://ffmpeg.org/mailman/listinfo/ffmpeg-devel > > To unsubscribe, visit link above, or [email protected] > with subject "unsubscribe". > > _______________________________________________ > ffmpeg-devel mailing > [email protected]https://ffmpeg.org/mailman/listinfo/ffmpeg-devel > > To unsubscribe, visit link above, or [email protected] > with subject "unsubscribe". > > > > >
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