пт, 22 нояб. 2024 г., 20:37 Terje Hanssen <[email protected]>:
> > > > On 11/22/24 18:12, Andrew Randrianasulu wrote: > > > > пт, 22 нояб. 2024 г., 20:07 Terje Hanssen <[email protected]>: > >> >> >> >> On 11/22/24 17:58, Andrew Randrianasulu wrote: >> >> >> >> 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) >> >> >> HDV --> av1_qsv transcoded as referenced above on the newer i17-12700/DG2 >> > > ?? > > you mean why default ffmpeg does not trip over this line? > > it silently ignores interlace and makes something flagged as interlaced > but actually not? > > > We can have a closer look at the av1_qsv output, possibly with loglevel > verbose or debug on that WS, when I'm back again. I don't know what ffmpeg > really does here, but as far it is accelerated (fps=561 for cfhd.mkv), > viewable and playable, it will be good? > welll ..may be? If it works good enough for those goals may be you can just set cingg's format to progressive even if autodetect says interlaced, and try to render. > > > > > > > >> >> >> >> >>> >>> 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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