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<div class="moz-cite-prefix">On 11/22/24 18:54, Andrew Randrianasulu
wrote:<br>
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<div dir="ltr" class="gmail_attr">пт, 22 нояб. 2024 г.,
20:37 Terje Hanssen <<a
href="mailto:terjejhanssen@gmail.com"
moz-do-not-send="true" class="moz-txt-link-freetext">terjejhanssen@gmail.com</a>>:<br>
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<div>On 11/22/24 18:12, Andrew Randrianasulu wrote:<br>
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<div dir="ltr" class="gmail_attr">пт, 22 нояб.
2024 г., 20:07 Terje Hanssen <<a
href="mailto:terjejhanssen@gmail.com"
target="_blank" rel="noreferrer"
moz-do-not-send="true"
class="moz-txt-link-freetext">terjejhanssen@gmail.com</a>>:<br>
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<div>On 11/22/24 17:58, Andrew Randrianasulu
wrote:<br>
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<div dir="ltr" class="gmail_attr">пт,
22 нояб. 2024 г., 19:55 Terje
Hanssen <<a
href="mailto:terjejhanssen@gmail.com" rel="noreferrer noreferrer"
target="_blank"
moz-do-not-send="true"
class="moz-txt-link-freetext">terjejhanssen@gmail.com</a>>:<br>
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<div>On 11/22/24 18:41, Andrew
Randrianasulu wrote:<br>
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<blockquote type="cite">
<pre>On Fri, Nov 22, 2024 at 2:52 PM Terje Hanssen <a
href="mailto:terjejhanssen@gmail.com"
rel="noreferrer noreferrer noreferrer" target="_blank"
moz-do-not-send="true"><terjejhanssen@gmail.com></a> wrote:
</pre>
<blockquote type="cite">
<pre>On 11/22/24 08:45, Andrew Randrianasulu wrote:
---------- Forwarded message ---------
От: Wang, Fei W <a href="mailto:fei.w.wang-at-intel.com@ffmpeg.org"
rel="noreferrer noreferrer noreferrer" target="_blank"
moz-do-not-send="true"><fei.w.wang-at-intel.com@ffmpeg.org></a>
Date: пт, 22 нояб. 2024 г., 09:10
Subject: Re: [FFmpeg-devel] qsvenc.c & AV_CODEC_FLAG_INTERLACED_DCT
To: <a href="mailto:ffmpeg-devel@ffmpeg.org"
rel="noreferrer noreferrer noreferrer" target="_blank"
moz-do-not-send="true"
class="moz-txt-link-freetext">ffmpeg-devel@ffmpeg.org</a> <a
href="mailto:ffmpeg-devel@ffmpeg.org"
rel="noreferrer noreferrer noreferrer" target="_blank"
moz-do-not-send="true"><ffmpeg-devel@ffmpeg.org></a>
On Thu, 2024-11-21 at 11:50 +0300, Andrew Randrianasulu wrote:
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<pre>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
<a
href="http://git.ffmpeg.org/gitweb/ffmpeg.git/blob/HEAD:/libavcodec/qsvenc.c#l852"
rel="noreferrer noreferrer noreferrer" target="_blank"
moz-do-not-send="true"
class="moz-txt-link-freetext">http://git.ffmpeg.org/gitweb/ffmpeg.git/blob/HEAD:/libavcodec/qsvenc.c#l852</a>
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:
<a
href="https://lists.cinelerra-gg.org/pipermail/cin/2024-November/009123.html"
rel="noreferrer noreferrer noreferrer" target="_blank"
moz-do-not-send="true"
class="moz-txt-link-freetext">https://lists.cinelerra-gg.org/pipermail/cin/2024-November/009123.html</a>
</pre>
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<pre>AV1 doesn't support interlaced frame.</pre>
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<br>
I wonder if AV1 generic doesn't support interlaced input video, then
neither AV1 software encoders like av1_svt should be able to do it.
Or may this mean interlaced output?<br>
<br>
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<pre>
We can dual check to transcode hdv to av1_qsv again, as I did with ffmpeg in this post
<a
href="https://www.mail-archive.com/cin@lists.cinelerra-gg.org/msg08314.html"
rel="noreferrer noreferrer noreferrer" target="_blank"
moz-do-not-send="true"
class="moz-txt-link-freetext">https://www.mail-archive.com/cin@lists.cinelerra-gg.org/msg08314.html</a>
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?
</pre>
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<pre><a
href="https://archive.org/download/hdv01"
rel="noreferrer noreferrer noreferrer" target="_blank"
moz-do-not-send="true"
class="moz-txt-link-freetext">https://archive.org/download/hdv01</a></pre>
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<br>
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.)<br>
<br>
<font
face="Courier New, Courier, monospace">mediainfo FX1_01.mpg | egrep -i
"scan|bit|format|FileExtension"<br>
Format : MPEG-TS<br>
Overall bit rate
mode :
Variable<br>
Overall bit
rate :
26.1 Mb/s<br>
Maximum Overall bit
rate : 33.0
Mb/s<br>
FileExtension_Invalid : ts m2t m2s m4t m4s tmf ts tp
trp ty<br>
Format : MPEG Video<br>
Format
version
: Version 2<br>
Format
profile
: Main@High 1440<br>
Format
settings
: CustomMatrix / BVOP<br>
Format settings,
BVOP : Yes<br>
Format settings,
Matrix :
Custom<br>
Format settings,
GOP : M=3,
N=12<br>
Format settings, picture
structure : Frame<br>
Bit rate
mode
: Constant<br>
Bit
rate
: 24.5 Mb/s<br>
Maximum bit
rate :
25.0 Mb/s<br>
Bit
depth
: 8 bits<br>
Scan
type
: Interlaced<br>
Scan
order
: Top Field First<br>
Bits/(Pixel*Frame) : 0.629<br>
Format : MPEG Audio<br>
Format
version
: Version 1<br>
Format
profile
: Layer 2<br>
Bit rate
mode
: Constant<br>
Bit
rate
: 384 kb/s<br>
Format : MPEG Video / MPEG Audio / /
<br>
<br>
<br>
But unhappily, the HDV -->
av1_qsv transcoding I previous
did on i17-12700/DG2 WS<br>
<a
href="https://www.mail-archive.com/cin@lists.cinelerra-gg.org/msg08314.html"
rel="noreferrer noreferrer noreferrer" target="_blank"
moz-do-not-send="true"
class="moz-txt-link-freetext">https://www.mail-archive.com/cin@lists.cinelerra-gg.org/msg08314.html</a><br>
</font>
<blockquote><font
face="Courier New, Courier, monospace">HDV --> av1_qsv
-global_quality 25</font><br>
<font
face="Courier New, Courier, monospace">-----------------------------------</font><br>
<font
face="Courier New, Courier, monospace">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</font><br>
<br>
<font
face="Courier New, Courier, monospace">ffprobe -hide_banner
hdv09_04_av1_qsv_format_nv12_gq25.mp4</font><br>
<font
face="Courier New, Courier, monospace"> 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) <br>
</font></blockquote>
is not possible on my legacy KBL
i7-8550U Intel UHD Graphics 620
<br>
<br>
<font
face="Courier New, Courier, monospace">[av1_qsv @ 0x5641dd0f5440] This
version of runtime doesn't
support AV1 encoding</font><br>
<br>
as confirmed by these limited
capabilites <br>
<br>
<font
face="Courier New, Courier, monospace">vainfo | grep -i enc<br>
libva info: VA-API version
1.22.0<br>
libva info: Trying to open
/usr/lib64/dri/iHD_drv_video.so<br>
libva info: Found init
function __vaDriverInit_1_22<br>
libva info: va_openDriver()
returns 0<br>
VAProfileMPEG2Simple
: VAEntrypointEncSlice<br>
VAProfileMPEG2Main
: VAEntrypointEncSlice<br>
VAProfileH264Main
: VAEntrypointEncSlice<br>
VAProfileH264Main
: VAEntrypointEncSliceLP<br>
VAProfileH264High
: VAEntrypointEncSlice<br>
VAProfileH264High
: VAEntrypointEncSliceLP<br>
VAProfileJPEGBaseline
: VAEntrypointEncPicture<br>
VAProfileH264ConstrainedBaseline:
VAEntrypointEncSlice<br>
VAProfileH264ConstrainedBaseline:
VAEntrypointEncSliceLP<br>
VAProfileVP8Version0_3
: VAEntrypointEncSlice<br>
VAProfileHEVCMain
: VAEntrypointEncSlice<br>
VAProfileHEVCMain10
: VAEntrypointEncSlice</font><br>
<br>
By the way, neither this attempt
claims about unsupported or
wrong image structure format !?<br>
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<div dir="auto">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)</div>
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<br>
HDV --> av1_qsv transcoded as referenced
above on the newer i17-12700/DG2<br>
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<div dir="auto">??</div>
<div dir="auto"><br>
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<div dir="auto">you mean why default ffmpeg does not
trip over this line?</div>
<div dir="auto"><br>
</div>
<div dir="auto">it silently ignores interlace and
makes something flagged as interlaced but actually
not?</div>
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<br>
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?<br>
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<div dir="auto">welll ..may be?</div>
<div dir="auto"><br>
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<div dir="auto">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.</div>
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<br>
I'll try that also.<br>
<br>
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<pre>You may add deinterlace filter
before encoder after apply this patch:
<a href="https://patchwork.ffmpeg.org/project/ffmpeg/list/?series=13372"
rel="noreferrer noreferrer noreferrer" target="_blank"
moz-do-not-send="true"
class="moz-txt-link-freetext">https://patchwork.ffmpeg.org/project/ffmpeg/list/?series=13372</a>
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
</pre>
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