Den 30.12.2023 18:38, skrev Andrew Randrianasulu:
сб, 30 дек. 2023 г., 18:28 Terje J. Hanssen via Cin <[email protected]>:
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:
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...
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