[Cin] SVT-AV1 encoding quite fast on x86_64
Terje J. Hanssen
terjejhanssen at gmail.com
Sat Dec 30 22:31:17 CET 2023
Den 30.12.2023 18:38, skrev Andrew Randrianasulu:
>
>
> сб, 30 дек. 2023 г., 18:28 Terje J. Hanssen via Cin
> <cin at lists.cinelerra-gg.org>:
>
>
>
> Den 30.12.2023 10:03, skrev Andrea paz:
>
>>> If SVT-AV1 1.8.0 rendering is possible with cin-aom-38_svt.AppImage, where do you select this?
>> Among the webm presets should also appear av1-svt.webm, the profile
>> created by Andrew; see image:
>>
>> https://postimg.cc/cgjQfR11
>
> Yes, thanks I found it. I had not looked there or simply overseen
> it, as it normally is referred to as svt-av1 :)
> And SVT-AV1 1.8 confirms to be VERY FAST and of most interest as
> default CPU AV1 encoder (also for CinGG?)
>
> As mentioned in Phoronix recent release article:
> https://www.phoronix.com/news/SVT-AV1-1.8-Released
> SVT-AV1 1.8 brings more speed-ups at various preset levels --
> especially M0 to M6 where there can be gains as much as 53%.
>
> Two Cin-GG AV1-SVT rendering tests of the same loaded hdv07_05.m2t
> clip took 0:02:54 and 0:02:51 respectively.
> If not due to technical issues (see the attached messages), that
> is impressive FPS = 10240/172 = 59.5 or 2.4x faster than the clip
> duration!
> And compared to the AOM 3.8 40-minutes rendering above, this is
> 14.3x times faster!
> The CinGG svt-av1 v.1.8 preset seemed to use Preset 6 and CRF 26
>
> In comparison I started a temporary test with the same FFmpeg
> SVT-AV1 v. 1.7 Preset 6, which seemed to perform much slower (ca.
> 8 FPS).
> The default faster Preset 10 and CRF 35 from my previous FFPmpeg
> test of the same clip provided 68 FPS.
>
> That is, very Promising SVT-AV1 speed rendering, BUT
> the HDV Aspect ratio and broken Audio has to be fixed in CinGG
> yuv420p(pc, smpte170m/unknown/unknown), 1440x1080 [SAR 1:1 DAR 4:3]
>
> Or the procedure has to be clarified, in case I have done
> something wrong or inadequate.
>
>
>
> for aspect ratio I just send out patch hopefully fixing this.
>
> For audio - try opus/webm as audio encoder?
>
> For colorspace - set it to bt709 as illustrated here
>
> https://cinelerra-gg.org/download/CinelerraGG_Manual/Color_Space_Color_Range_Aff.html
>
While waiting for a patched aspect ratio version, I've tried the other
suggestions:
opus/webm audio encoder
Colorspace bt709
This fixed the audio issue and extended the file size and rendering time
with 50%
** rendered 10452 frames in 232.659 secs, 44.924 fps
Attach also the rendering messages
du -sh hdv07*
235M hdv07_05_cingg_aom-av1.webm
241M hdv07_05_m2t_cingg_aom38-av1.webm
284M hdv07_05_m2t_cingg_svt-av1_pr6+opus.webm
220M hdv07_05_m2t_cingg_svt-av1_pr6.webm
239M hdv07_05_m2t_svt-av1_pr10.webm
229M hdv07_05_m2t_svt-av1_pr6.webm
ffplay -hide_banner hdv07_05_m2t_cingg_svt-av1_pr6+opus.webm
[libdav1d @ 0x7f7eb4003700] libdav1d 1.3.0
Input #0, matroska,webm, from
'hdv07_05_m2t_cingg_svt-av1_pr6+opus.webm':
Metadata:
ENCODER : Lavf60.16.100
Duration: 00:06:58.08, start: -0.007000, bitrate: 5689 kb/s
Stream #0:0: Video: av1 (Main), yuv420p(pc,
bt709/unknown/unknown), 1440x1080, SAR 1:1 DAR 4:3, 25 fps, 25 tbr,
1k tbn
Metadata:
DURATION : 00:06:58.080000000
Stream #0:1(eng): Audio: opus, 48000 Hz, stereo, fltp
Metadata:
DURATION : 00:06:58.068000000
[libdav1d @ 0x7f7eb4057000] libdav1d 1.3.0
41.58 A-V: -0.037 fd= 0 aq= 12KB vq= 269KB sq= 0B f=0/0
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Svt[info]: -------------------------------------------
Svt[info]: SVT [version]: SVT-AV1 Encoder Lib v1.8.0
Svt[info]: SVT [build] : GCC 13.2.1 20230801 64 bit
Svt[info]: LIB Build date: Dec 29 2023 10:28:50
Svt[info]: -------------------------------------------
Svt[info]: Number of logical cores available: 8
Svt[info]: Number of PPCS 59
Svt[info]: [asm level on system : up to avx2]
Svt[info]: [asm level selected : up to avx2]
Svt[info]: -------------------------------------------
Svt[info]: SVT [config]: main profile tier (auto) level (auto)
Svt[info]: SVT [config]: width / height / fps numerator / fps denominator : 1440 / 1080 / 25 / 1
Svt[info]: SVT [config]: bit-depth / color format : 8 / YUV420
Svt[info]: SVT [config]: preset / tune / pred struct : 10 / PSNR / random access
Svt[info]: SVT [config]: gop size / mini-gop size / key-frame type : 161 / 16 / key frame
Svt[info]: SVT [config]: BRC mode / rate factor : CRF / 35
Svt[info]: -------------------------------------------
FFStream::encode_frame: encode failed.
file: /run/media/terje/home_lp15/terje/Videoklipp/AV1/hdv07_05_m2t_cingg_svt-av1_pr6+opus.webm
err: Resource temporarily unavailable
FFMPEG::mux_video err: Operation not permitted
FFStream::encode_frame: encode failed.
file: /run/media/terje/home_lp15/terje/Videoklipp/AV1/hdv07_05_m2t_cingg_svt-av1_pr6+opus.webm
err: Resource temporarily unavailable
FFMPEG::mux_video err: Operation not permitted
Render::render_single: Session finished.
FFMPEG::open_decoder: some stream times estimated: /run/media/terje/home_lp15/terje/Videoklipp/AV1/hdv07_05_m2t_cingg_svt-av1_pr6+opus.webm
** rendered 10452 frames in 232.659 secs, 44.924 fps
FFMPEG::open_decoder: some stream times estimated: /run/media/terje/home_lp15/terje/Videoklipp/AV1/hdv07_05_m2t_cingg_svt-av1_pr6+opus.webm
audio0 pad 128 -335 (463)
FFMPEG::open_decoder: some stream times estimated: /run/media/terje/home_lp15/terje/Videoklipp/AV1/hdv07_05_m2t_cingg_svt-av1_pr6+opus.webm
FFMPEG::open_decoder: some stream times estimated: /run/media/terje/home_lp15/terje/Videoklipp/AV1/hdv07_05_m2t_cingg_svt-av1_pr6+opus.webm
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