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<div class="moz-cite-prefix">Den 23.11.2024 13:24, skrev Andrew
Randrianasulu:<br>
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cite="mid:CA+rFky69TvPq9Ee2x+WCj9dhRVg-s60OE1GiF+vifDSdRK+ANg@mail.gmail.com">
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<div dir="ltr" class="gmail_attr">сб, 23 нояб. 2024 г.,
15:15 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 18:54, 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"
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 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" 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 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 noreferrer" target="_blank"
moz-do-not-send="true" class="moz-txt-link-freetext">terjejhanssen@gmail.com</a>>:<br>
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<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 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 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 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 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:
</pre>
<blockquote
type="cite">
<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 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 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>
</blockquote>
<pre>AV1 doesn't support interlaced frame.</pre>
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Tried also the cmd as suggested from Fei Wang:<br>
<br>
<font face="monospace">ffmpeg -hide_banner -qsv_device
/dev/dri/renderD128 -hwaccel_output_format qsv -i hdv09_04.m2t
-pix_fmt nv12 -vf vpp_qsv=deinterlace=advanced -c:v av1_qsv -f
null -<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>
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>
[mpeg2video @ 0x55908d205300] Invalid frame dimensions 0x0.<br>
Last message repeated 3 times<br>
[mpegts @ 0x55908d1aa480] PES packet size mismatch<br>
[mpegts @ 0x55908d1aa480] Packet corrupt (stream = 1, dts =
258142320).<br>
[mpegts @ 0x55908d1aa480] Could not find codec parameters for
stream 2 (Unknown: none ([160][0][0][0] / 0x00A0)): unknown codec<br>
Consider increasing the value for the 'analyzeduration' (0) and
'probesize' (5000000) options<br>
[mpegts @ 0x55908d1aa480] Could not find codec parameters for
stream 3 (Unknown: none ([161][0][0][0] / 0x00A1)): unknown codec<br>
Consider increasing the value for the 'analyzeduration' (0) and
'probesize' (5000000) options<br>
Input #0, mpegts, from 'hdv09_04.m2t':<br>
Duration: 00:03:59.06, start: 2629.496000, bitrate: 26110 kb/s<br>
Program 100 <br>
Stream #0:0[0x810]: Video: mpeg2video (Main) ([2][0][0][0] /
0x0002), yuv420p(tv, bt709, top first), 1440x1080 [SAR 4:3 DAR
16:9], 25000 kb/s, 25 fps, 25 tbr, 90k tbn<br>
Side data:<br>
cpb: bitrate max/min/avg: 25000000/0/0 buffer size:
7340032 vbv_delay: N/A<br>
Stream #0:1[0x814]: Audio: mp2 (mp3float) ([3][0][0][0] /
0x0003), 48000 Hz, stereo, fltp, 384 kb/s<br>
Stream #0:2[0x815]: Unknown: none ([160][0][0][0] / 0x00A0)<br>
Stream #0:3[0x811]: Unknown: none ([161][0][0][0] / 0x00A1)<br>
Stream mapping:<br>
Stream #0:0 -> #0:0 (mpeg2video (native) -> av1 (av1_qsv))<br>
Stream #0:1 -> #0:1 (mp2 (native) -> pcm_s16le (native))<br>
Press [q] to stop, [?] for help<br>
[av1_qsv @ 0x55908d2dd280] Using the constant quantization
parameter (CQP) by default. Please use the global_quality option
and other options for a quality-based mode or the b option and
other options for a bitrate-based mode if the default is not the
desired choice.<br>
Output #0, null, to 'pipe:':<br>
Metadata:<br>
encoder : Lavf61.7.100<br>
Stream #0:0: Video: av1, nv12(tv, bt709, top coded first
(swapped)), 1440x1080 [SAR 4:3 DAR 16:9], q=2-31, 25 fps, 25 tbn<br>
Metadata:<br>
encoder : Lavc61.19.100 av1_qsv<br>
Stream #0:1: Audio: pcm_s16le, 48000 Hz, stereo, s16, 1536 kb/s<br>
Metadata:<br>
encoder : Lavc61.19.100 pcm_s16le<br>
[null @ 0x55908d355c00] Application provided invalid, non
monotonically increasing dts to muxer in stream 0:
-140737488355328 >= -140737488355328<br>
Last message repeated 167 times<br>
[null @ 0x55908d355c00] Application provided invalid, non
monotonically increasing dts to muxer in stream 0:
-140737488355328 >= -140737488355328<br>
Last message repeated 183 times<br>
[null @ 0x55908d355c00] Application provided invalid, non
monotonically increasing dts to muxer in stream 0:
-140737488355328 >= -140737488355328<br>
Last message repeated 194 times<br>
[null @ 0x55908d355c00] Application provided invalid, non
monotonically increasing dts to muxer in stream 0:
-140737488355328 >= -140737488355328<br>
Last message repeated 196 times<br>
[null @ 0x55908d355c00] Application provided invalid, non
monotonically increasing dts to muxer in stream 0:
-140737488355328 >= -140737488355328<br>
Last message repeated 198 times<br>
[null @ 0x55908d355c00] Application provided invalid, non
monotonically increasing dts to muxer in stream 0:
-140737488355328 >= -140737488355328<br>
Last message repeated 199 times<br>
[null @ 0x55908d355c00] Application provided invalid, non
monotonically increasing dts to muxer in stream 0:
-140737488355328 >= -140737488355328<br>
Last message repeated 208 times<br>
[null @ 0x55908d355c00] Application provided invalid, non
monotonically increasing dts to muxer in stream 0:
-140737488355328 >= -140737488355328<br>
Last message repeated 199 times<br>
[null @ 0x55908d355c00] Application provided invalid, non
monotonically increasing dts to muxer in stream 0:
-140737488355328 >= -140737488355328<br>
Last message repeated 207 times<br>
[null @ 0x55908d355c00] Application provided invalid, non
monotonically increasing dts to muxer in stream 0:
-140737488355328 >= -140737488355328<br>
Last message repeated 220 times<br>
[null @ 0x55908d355c00] Application provided invalid, non
monotonically increasing dts to muxer in stream 0:
-140737488355328 >= -140737488355328<br>
Last message repeated 199 times<br>
[null @ 0x55908d355c00] Application provided invalid, non
monotonically increasing dts to muxer in stream 0:
-140737488355328 >= -140737488355328<br>
Last message repeated 207 times<br>
[null @ 0x55908d355c00] Application provided invalid, non
monotonically increasing dts to muxer in stream 0:
-140737488355328 >= -140737488355328<br>
Last message repeated 202 times<br>
[null @ 0x55908d355c00] Application provided invalid, non
monotonically increasing dts to muxer in stream 0:
-140737488355328 >= -140737488355328<br>
Last message repeated 207 times<br>
[null @ 0x55908d355c00] Application provided invalid, non
monotonically increasing dts to muxer in stream 0:
-140737488355328 >= -140737488355328<br>
Last message repeated 205 times<br>
[null @ 0x55908d355c00] Application provided invalid, non
monotonically increasing dts to muxer in stream 0:
-140737488355328 >= -140737488355328<br>
Last message repeated 182 times<br>
[null @ 0x55908d355c00] Application provided invalid, non
monotonically increasing dts to muxer in stream 0:
-140737488355328 >= -140737488355328<br>
Last message repeated 202 times<br>
[null @ 0x55908d355c00] Application provided invalid, non
monotonically increasing dts to muxer in stream 0:
-140737488355328 >= -140737488355328<br>
Last message repeated 183 times<br>
[null @ 0x55908d355c00] Application provided invalid, non
monotonically increasing dts to muxer in stream 0:
-140737488355328 >= -140737488355328<br>
Last message repeated 194 times<br>
[null @ 0x55908d355c00] Application provided invalid, non
monotonically increasing dts to muxer in stream 0:
-140737488355328 >= -140737488355328<br>
Last message repeated 208 times<br>
[null @ 0x55908d355c00] Application provided invalid, non
monotonically increasing dts to muxer in stream 0:
-140737488355328 >= -140737488355328<br>
Last message repeated 202 times<br>
[null @ 0x55908d355c00] Application provided invalid, non
monotonically increasing dts to muxer in stream 0:
-140737488355328 >= -140737488355328<br>
Last message repeated 191 times<br>
[null @ 0x55908d355c00] Application provided invalid, non
monotonically increasing dts to muxer in stream 0:
-140737488355328 >= -140737488355328<br>
Last message repeated 187 times<br>
[null @ 0x55908d355c00] Application provided invalid, non
monotonically increasing dts to muxer in stream 0:
-140737488355328 >= -140737488355328<br>
Last message repeated 190 times<br>
[null @ 0x55908d355c00] Application provided invalid, non
monotonically increasing dts to muxer in stream 0:
-140737488355328 >= -140737488355328<br>
Last message repeated 212 times<br>
[null @ 0x55908d355c00] Application provided invalid, non
monotonically increasing dts to muxer in stream 0:
-140737488355328 >= -140737488355328<br>
Last message repeated 220 times<br>
[null @ 0x55908d355c00] Application provided invalid, non
monotonically increasing dts to muxer in stream 0:
-140737488355328 >= -140737488355328<br>
Last message repeated 200 times<br>
[null @ 0x55908d355c00] Application provided invalid, non
monotonically increasing dts to muxer in stream 0:
-140737488355328 >= -140737488355328<br>
Last message repeated 197 times<br>
[null @ 0x55908d355c00] Application provided invalid, non
monotonically increasing dts to muxer in stream 0:
-140737488355328 >= -140737488355328<br>
Last message repeated 204 times<br>
[null @ 0x55908d355c00] Application provided invalid, non
monotonically increasing dts to muxer in stream 0:
-140737488355328 >= -140737488355328<br>
Last message repeated 125 times<br>
[mpegts @ 0x55908d1aa480] PES packet size mismatch<br>
[mpegts @ 0x55908d1aa480] Packet corrupt (stream = 1, dts =
258142320).<br>
[null @ 0x55908d355c00] Application provided invalid, non
monotonically increasing dts to muxer in stream 0:
-140737488355328 >= -140737488355328<br>
Last message repeated 8 times<br>
[mpeg2video @ 0x55908d232400] ac-tex damaged at 10 61<br>
[mpeg2video @ 0x55908d232400] Warning MVs not available<br>
[null @ 0x55908d355c00] Application provided invalid, non
monotonically increasing dts to muxer in stream 0:
-140737488355328 >= -140737488355328<br>
[mpeg2video @ 0x55908d232400] concealing 630 DC, 630 AC, 630 MV
errors in P frame<br>
[vist#0:0/mpeg2video @ 0x55908d354b40] [dec:mpeg2video @
0x55908d320d00] corrupt decoded frame<br>
[null @ 0x55908d355c00] Application provided invalid, non
monotonically increasing dts to muxer in stream 0:
-140737488355328 >= -140737488355328<br>
Last message repeated 33 times<br>
[out#0/null @ 0x55908d261140] video:45168KiB audio:44770KiB
subtitle:0KiB other streams:0KiB global headers:0KiB muxing
overhead: unknown<br>
frame= 5963 fps=399 q=-0.0 Lsize=N/A time=-1563749870:36:53.12
bitrate=N/A speed=N/A <br>
<br>
</font>
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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>
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<div dir="auto">*i think* specification allow it, just current
hw implementation via qsv does not exist (yet?).</div>
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<div dir="auto">You better ask some intel engineers about that.</div>
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<div dir="auto">............snip<br>
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<div><font
face="Courier New, Courier, monospace"> <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 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>
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</blockquote>
.........................snip<br>
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<div> <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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</blockquote>
<br>
HDV --> av1_qsv transcoded as
referenced above on the newer
i17-12700/DG2<br>
</div>
</blockquote>
</div>
</div>
<div dir="auto"><br>
</div>
<div dir="auto">??</div>
<div dir="auto"><br>
</div>
<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>
</div>
</blockquote>
<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>
</div>
</blockquote>
</div>
</div>
<div dir="auto"><br>
</div>
<div dir="auto"><br>
</div>
<div dir="auto">welll ..may be?</div>
</div>
</blockquote>
</div>
</blockquote>
</div>
</div>
</div>
</blockquote>
<br>
Tried my own tff 1080i50 HDV input with FFmpeg on i7-12700/DG2 again
and got No av1_qsv errors:<br>
<br>
<font face="monospace">HDV --> av1_qsv nv12 -global_quality 25<br>
-----------------------------------<br>
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<br>
frame= 5963 fps=561 q=-0.0 Lsize= 234099KiB time=00:03:58.77
bitrate=8031.5kbits/s speed=22.5x <br>
<br>
ffprobe -hide_banner hdv09_04_av1_qsv_format_nv12_gq25.mp4</font><font
face="monospace"><br>
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>
<br>
mediainfo hdv09_04_av1_qsv_format_nv12_gq25.mp4 | egrep -i
"scan|bit|format"<br>
Complete name :
hdv09_04_av1_qsv_format_nv12_gq25.mp4<br>
Format : MPEG-4<br>
Format profile : Base Media<br>
Overall bit rate : 8 021 kb/s<br>
Format : AV1<br>
Format/Info : AOMedia Video 1<br>
Format profile : <a class="moz-txt-link-abbreviated" href="mailto:Main@L4.0">Main@L4.0</a><br>
Bit rate : 7 903 kb/s<br>
Bit depth : 8 bits<br>
Scan type : Interlaced<br>
Scan type, store method : Interleaved fields<br>
Scan order : Top Field First<br>
Bits/(Pixel*Frame) : 0.203<br>
Format : AAC LC<br>
Format/Info : Advanced Audio Codec
Low Complexity<br>
Bit rate mode : Constant<br>
Bit rate : 132 kb/s <br>
<br>
<br>
Also FHD --> av1_qsv with p010le works<br>
<br>
</font><br>
<blockquote type="cite"
cite="mid:CA+rFky69TvPq9Ee2x+WCj9dhRVg-s60OE1GiF+vifDSdRK+ANg@mail.gmail.com">
<div dir="auto">
<div dir="auto">
<div class="gmail_quote">
<blockquote class="gmail_quote"
style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div>
<blockquote type="cite">
<div dir="auto">
<div dir="auto"><br>
</div>
<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>
</div>
</blockquote>
<br>
I'll try that also.<br>
<br>
</div>
</blockquote>
</div>
</div>
</div>
</blockquote>
I can't notice differences at playback with VLC and FFplay (other
than 16:9 vs 4:3 format as usual). And both visually with good
qualities in my eyes.<br>
<br>
<font face="monospace">Cingg Set Format Interlace Mode: Not
interlaced<br>
did the trick and both hdv and hd could be rendered <br>
FFprobe reported it is pgogressiv, while native FFmpeg transcoding
still say interlaced.<br>
<br>
HDV --> av1_qsv<br>
<br>
av1_qsv_8b420.mp4<br>
mp4 av1_qsv<br>
# av1_qsv_8b420<br>
cin_pix_fmt=nv12<br>
profile=main<br>
# global_quality=25<br>
<br>
** rendered 5972 frames in 10.026 secs, 595.651 fps<br>
<br>
----------<br>
<br>
ffprobe -hide_banner hdv09_04_av1_qsv.mp4<br>
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'hdv09_04_av1_qsv.mp4':<br>
Metadata:<br>
major_brand : isom<br>
minor_version : 512<br>
compatible_brands: isomav01iso2mp41<br>
encoder : Lavf61.1.100<br>
Duration: 00:03:58.88, start: 0.000000, bitrate: 1533 kb/s<br>
Stream #0:0[0x1](und): Video: av1 (libdav1d) (Main) (av01 /
0x31307661), yuv420p(tv, bt709/unknown/unknown, progressive),
1440x1080, 1532 kb/s, SAR 4:3 DAR 16:9, 25 fps, 25 tbr, 12800 tbn
(default)<br>
<br>
=====================<br>
<br>
FHD --> av1_qsv<br>
<br>
av1_qsv_10b420.mp4<br>
mp4 av1_qsv<br>
# av1_qsv_10b420<br>
cin_pix_fmt=p010le<br>
profile=main<br>
# global_quality=25<br>
<br>
** rendered 1780 frames in 42.035 secs, 42.346 fps<br>
<br>
-------------------<br>
<br>
ffprobe -hide_banner hd01_av1_qsv.mp4<br>
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'hd01_av1_qsv.mp4':<br>
Metadata:<br>
major_brand : isom<br>
minor_version : 512<br>
compatible_brands: isomav01iso2mp41<br>
encoder : Lavf61.1.100<br>
Duration: 00:01:11.20, start: 0.000000, bitrate: 1070 kb/s<br>
Stream #0:0[0x1](und): Video: av1 (libdav1d) (Main) (av01 /
0x31307661), yuv420p10le(tv, bt709/unknown/unknown, progressive),
1920x1080, 1070 kb/s, SAR 1:1 DAR 16:9, 25 fps, 25 tbr, 12800 tbn
(default)<br>
<br>
</font><br>
<br>
</body>
</html>