вт, 6 мая 2025 г., 23:15 Andrew Randrianasulu <[email protected]>:
> > > вт, 6 мая 2025 г., 23:10 Phyllis Smith via Cin <[email protected] > >: > >> Although the attached render file AVC_Intra_100.mp4 was checked in awhile >> ago, I have NOT been able to get AVC_Intra_100.mov to work on Fedora 32. >> Error I get is: >> >>> [libx264 @ 0x7f9b9c0b1040] 8-bit AVC-Intra is not widely compatible >>> [libx264 @ 0x7f9b9c0b1040] 10-bit x264 is required to encode AVC-Intra >>> FFMPEG::open_encoder err: Generic error in an external library >>> int FFMPEG::open_encoder(const char*, const char*): >>> open failed libx264:/tmp/hdrnmm.mov >>> >> If I delete the input line of "avcintra-class=100" which is perfectly >> legal per "view" it works, but then there is no point! >> > > I think our ffmpeg accidently get headers from system's x264, probably > compiled without 10bit support? (this is strange, but Fedora! they cut > codec support due to *patent* reasons because they operate in USA) > > try to remove x264-devel from system and recompile cingg? > > Or just check that Pixels set to yuv422p10le .... (may he i missed _that_ > back in time ).... > oh, I tried it on Termux and it was failing to set Pixels, so I discovered it had Windows line ends (^M in midnight commander's mcedit). I deleted those and now profile works! Attaching anew .. > > >> On Fri, Mar 20, 2020 at 3:11 PM Andrew Randrianasulu < >> [email protected]> wrote: >> >>> But not sure if I did this correctly. >>> >>> https://en.wikipedia.org/wiki/AVC-Intra >>> says for AVC-Intra 100: >>> >>> AVC-Intra 100: >>> nominally 100 Mbit/s, size of each frame is fixed >>> CAVLC entropy coding only. >>> All formats are High 4:2:2 Intra Profile, Level 4.1 >>> 4:2:2 chrominance sampling >>> frames are not scaled >>> >>> and yeah, this French-language pdf actually says the same: >>> >>> https://web.archive.org/web/20110720215759/http://www.ficam.fr/upload/documents/AVCIntra.pdf >>> >>> 50M 100M >>> Standard MPEG-4 part10 AVC/H.264 >>> Profile High 10 Intra High 4:2:2 Intra >>> Level Level 3.2/4.0 Level 4.1 >>> Resolution 1440x1080 / 960x720 1920x1080 / 1280x720 >>> Sampling 4:2:0 4:2:2 >>> Bit rate 54Mbps 111Mbps >>> Block size Y: 8x8, C: 4x4 >>> Intra Prediction Y: 9mode, C: 4mode >>> MBAFF Yes >>> De-block filter No >>> Slice/frame 10 >>> Entropy coding CABAC CAVLC >>> >>> so, I looked up ffmpeg cmd line >>> https://trac.ffmpeg.org/ticket/3597 >>> >>> ffmpeg -v info -i /mnt-data/backup4/vol0/export/CUHK\ 2014-1/V017b.mov >>> -vcodec libx264 -intra -pix_fmt yuv422p10le -vb 100M -x264opts >>> avcintra-class=100 >>> -x264opts colorprim=bt709 -x264opts transfer=bt709 -x264opts >>> colormatrix=bt709 >>> -threads 4 -acodec copy V017b-ffmpeg-git-avcintra100.mov >>> >>> Huh, said I and entered those params in opts file, actually in two files >>> (mp4 and mov containers) >>> >>> mov libx264 >>> cin_pix_fmt=yuv422p10le >>> flags -global_header >>> keyint_min=0 >>> x264-params=keyint=0:colorprim=bt709:transfer=bt709:colormatrix=bt709 >>> avcintra-class=100 >>> bufsize=100000000 >>> level=4.1 >>> >>> mp4 libx264 >>> cin_pix_fmt=yuv422p10le >>> flags -global_header >>> keyint_min=0 >>> x264-params=keyint=0:colorprim=bt709:transfer=bt709:colormatrix=bt709 >>> avcintra-class=100 >>> bufsize=100000000 >>> level=4.1 >>> >>> both for progressive content, for interlace you must add some more flags: >>> https://lists.ffmpeg.org/pipermail/ffmpeg-user/2017-January/035049.html >>> >>> -flags +ildct+ilme >>> -x264opts interlaced=1 >>> >>> Also, there is still lack of (GUI) user notification if file writing >>> failed due to >>> NO SPACE on device :} >>> >>> FFStream::write_packet: write packet failed. >>> file:/dev/shm/avci_new.mp4 >>> err: На устройстве не осталось свободного места >>> FFStream::encode_frame: encode failed. >>> file: /dev/shm/avci_new.mp4 >>> err: На устройстве не осталось свободного места >>> FFStream::flush failed >>> :file:/dev/shm/avci_new.mp4 >>> err: Операция не позволена >>> Render::render_single: Session finished. >>> ** rendered 273 frames in 85.585 secs, 3.190 fps >>> Render::render_single: Session finished. >>> ** rendered 273 frames in 85.485 secs, 3.194 fps >>> Render::render_single: Session finished. >>> ** rendered 273 frames in 82.176 secs, 3.322 fps >>> >>> Profile sort of assumes you set project to some supported resolution, >>> framerate, etc, >>> otherwise libx264 will fail with console error message..... >>> >>> I found some talk about AVC-Ultra, there even was patch for x264, but it >>> was not merged: >>> >>> https://mailman.videolan.org/pipermail/x264-devel/2015-September/011412.html >>> >>> >>> Also, I think sound must be uncompressed, but I'm not sure. >>> -- >>> Cin mailing list >>> [email protected] >>> https://lists.cinelerra-gg.org/mailman/listinfo/cin >>> >> -- >> Cin mailing list >> [email protected] >> https://lists.cinelerra-gg.org/mailman/listinfo/cin >> >
AVC_Intra_100.mov
Description: QuickTime movie
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