[Cin] Video Formats and the latest players AV1, WebM, HEIF

Terje J. Hanssen terjejhanssen at gmail.com
Thu Jan 11 11:33:51 CET 2024



Den 11.01.2024 03:30, skrev Andrew Randrianasulu:
>
>
> вт, 9 янв. 2024 г., 20:06 Terje J. Hanssen via Cin 
> <cin at lists.cinelerra-gg.org>:
>
>     AV1 and WebM:
>     Play it with your browser and smart-phone!
>
>     I've just tested PAL HDV 16:9 and SD-DV 4:3 video clips rendered with
>     Cin-GG to AV1 video and Opus audio muxed in a WebM container.
>     They playback fine in VLC mediaplayer and not at least in Firefox and
>     Google-Chrome browsers on Linux.
>
>     Transferred these WebM clips using Gnome File manager on Linux to my
>     smart-phone Google Pixel 7 Pro via USB connection.
>     Tested these AV1 WebM clips playback worked fine on Pixel 7 with
>     Android
>     14, possibly using its Tensor hw decoder.
>
>
>
>
> may be mobile mpv can help to see if hardware decoder was using in 
> this vase ?

Well, I downloaded mpv for Android, but apparently I have to look more 
into it, just to navigate.
While the default Photo app lists the newest (webm) files on top in the 
DCIM/Camera.
mpv starts listing at the bottom (2013). I gave up after scrolling to 
2015 :)
Could not see neither opposite listing nor search button.

>
>     Refresh training references:
>
>     Video File Formats overview
>     https://www.ionos.com/digitalguide/websites/web-design/video-formats/
>
>     AV1 Codec
>     https://www.ionos.com/digitalguide/websites/web-development/av1-codec/
>
>     WebM:
>     https://www.ionos.com/digitalguide/websites/website-creation/webm/
>
>     HEIF:
>     https://www.ionos.com/digitalguide/websites/web-design/what-can-heif-high-efficiency-image-file-format-do/
>
>
> This last one probably not yet in ffmpeg 6.1, I just saw this commit 
> in ffmpeg.git:

So far, I have just installed several heif plugins (ffmpeg included) 
from Packman on lp15 (and on tw-sr):

i+ | libheif-aom                         | Plugin AOM encoder and 
decoder for AVIF                       | package
i+ | libheif-dav1d                       | Plugin dav1d decoder for 
AVIF                                 | package
i+ | libheif-ffmpeg                      | Plugin FFMPEG decoder (HW 
acc) for HEIC                       | package
i+ | libheif-HEIF                        | Plugin for HEIF decoder and 
encoder                           | package
i+ | libheif-jpeg                        | Plugin encoder and decoder 
for JPEG in HEIF                   | package
i+ | libheif-openjpeg                    | Plugin OpenJPEG J2K encoder 
and decoder for JPEG-2000 in HEIF | package
i+ | libheif-rav1e                       | Plugin rav1e encoder for 
AVIF                                 | package


Addition to the references above:

AVIF – the license-free image format
https://www.ionos.com/digitalguide/websites/web-design/avif-format/


>
> ======
> commit a0821345eb31b727d93c9c3ed7d74d2774c73afa
> Author: Vignesh Venkatasubramanian via ffmpeg-devel 
> <ffmpeg-devel at ffmpeg.org>
> Date:   Wed Oct 4 09:40:15 2023 -0700
>
>     avformat/mov: Add support for demuxing still HEIC images   They 
> are similar to AVIF images (both use the HEIF container). The only 
> additional work needed is to parse the hvcC box and put it in the 
> extradata.
>
>     With this patch applied, ffmpeg (when built with an HEVC decoder)  
>   is able to decode the files in
> https://github.com/nokiatech/heif/tree/gh-pages/content/images
>
>  Also add a couple of fate tests with samples from
> https://github.com/nokiatech/heif_conformance/tree/master/conformance_files
>  Partially fixes trac ticket #6521.
>
> ======
>
> see also bunch of fixes for prores encoders.
>
>
>
>
>
>
>
>
>
>     -- 
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>     Cin at lists.cinelerra-gg.org
>     https://lists.cinelerra-gg.org/mailman/listinfo/cin
>
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