[Cin] AV1 yuv422p10le rendering with some output FFStream::seek I/O errors, seek fails

[Terje J. Hanssen]

Den 11.08.2024 20:36, skrev Phyllis Smith:
>
>     If there isn't other reasons against it, I will suggest to rename
>     the current preset av1.webm to av1_aom.webm
>
> Good suggestion and no one has noted any reason not to.  It is done in 
> GIT along with adding the 2 lines that make the rendered file seekable.
>
>
>     And possibly upgrade to svt-av1 v.2.1.
>
> Agreed -- I started working on this on May 29, but had some trouble.  
> I will try harder!
>
> I am still pondering the below information.
>
> Transcoding regarding duration was also mentioned above.
> My input file here was a cfhd transcoded with ffmpeg from a Prores 422 
> hq source video file (that is not a arbitrary cut).
>
> Alt. 1)
> Therefore I went back to my source Prores 422 (HQ) hd01.mov which 
> especially default includes 16 channels LPCM audio, even though only 2 
> ch stereo is used.
>
>
> Loaded this Prores 422 hq source file into CinGG
>
> 1) Video only rendering - no error messages
>
>     Rendering to file /Videoklipp/Cineform/av1_aom_yuv422p10le.webm
>         File format; FFMPEG webm
>         Video only wrench: av1.webm | yuv422p10le
>     cin
>     Cinelerra Infinity - built: Jul 29 2024 01:18:06
>     ....
>     Render::render_single: Session finished.
>     ** rendered 1781 frames in 187.108 secs, 9.519 fps
>
>     FFMPEG::open_decoder: some stream times estimated:
>     /run/media/terje/Videoklipp/Cineform/av1_aom_yuv422p10le.webm
>     FFMPEG::open_decoder: some stream times estimated:
>     /run/media/terje/Videoklipp/Cineform/av1_aom_yuv422p10le.webm
>     FFMPEG::open_decoder: some stream times estimated:
>     /run/media/terje/Videoklipp/Cineform/av1_aom_yuv422p10le.webm
>     Total excess of backups: -50
>     Session time: 0:05:08
>     Cpu time: user: 0:20:00.969 sys: 0:00:08.355
>
>
> 2) Audio only rendering - not possible in CinGG
>
>     Cinelerra Infinity - built: Jul 29 2024 01:18:06
>     -
>     16 channels lpcm audio (actually only #1 and #2 stereo used)
>
>     Rendering to file /Videoklipp/Cineform/opus.webm
>         File format; FFMPEG webm
>         Audio only wrench: opus.webm
>
>     [libopus @ 0x7f637c06a6c0] Opus mapping family undefined for 16
>     channels.
>     FFMPEG::open_encoder  err: Invalid argument
>     int FFMPEG::open_encoder(const char*, const char*):
>     open failed libopus:/run/media/terje/Videoklipp/Cineform/opus.webm
>     Render::render_single: Session finished.
>     Total excess of backups: -50
>     Session time: 0:02:21
>     Cpu time: user: 0:00:13.680 sys: 0:00:02.102
>
> -----------------
>
> Alt. 2)
> Transcoded alt. 1) source input file to Prores 422 hq with 2 ch stereo 
> audio:
>
> ffmpeg -hide_banner -i hd01.mov -map_metadata 0 -c:v copy -c:a 
> pcm_s24le -ac 2 hd02.mov
>
> -----------------
>
> Alt. 3)
> Transcoded th source file Prores 422 (HQ) with LPCM audio to CFHD 
> quality 7 (high+), AAC audio (default) to stereo (-ac 2) and Metadata 
> (some)
>
> ffmpeg -hide_banner -i hd01.mov -map_metadata 0 -c:v cfhd -quality 7 
> -ac 2 cfhd01.mov
>
>
> By loading Alt. 2) Prores LPCM or Alt. 3) CFHD AAC with 2 ch stereo 
> audio into CinGG
>
> 1) Video only av1_aom.webm rendering caused the previous FFseek I/O errors

Especially that rendering Alt. 2) Prores with 2 ch audio caused FFseek 
I/O errors confused me, because the video part was just copied from the 
original Alt.1)
that worked fine.

>
> 2) Audio only hd02.mov stereo lpcm -> opus.webm worked ok
>
>     cin
>     Cinelerra Infinity - built: Jul 29 2024 01:18:06
>     ........
>     Render::render_single: Session finished.
>     ** rendered 1781 frames in 6.387 secs, 278.848 fps
>
>     FFMPEG::open_decoder: some stream times estimated:
>     /run/media/terje/Videoklipp/Cineform/opus.webm
>     audio0 pad 16 0 (16)
>     FFMPEG::open_decoder: some stream times estimated:
>     /run/media/terje/Videoklipp/Cineform/opus.webm
>     Total excess of backups: -50
>     Session time: 0:01:49
>     Cpu time: user: 0:00:15.458 sys: 0:00:02.457
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <https://lists.cinelerra-gg.org/pipermail/cin/attachments/20240811/c48e6be1/attachment-0001.htm>