[Cin] HEVC hw encoding on AMD Polaris cards

Phyllis Smith phylsmith2017 at gmail.com
Sat Jun 1 00:04:02 CEST 2019

The new builds are now available with this mod in.  We do not actually test
them all but did Leap 15.1.


On Fri, May 31, 2019 at 2:43 PM Андрей Спицын <spitsyn.andrey at gmail.com>

> Thank you very much. This would be be very helpful. Can you provide me
> debian 9 amd64 package for testing please.
> пт, 31 мая 2019 г., 5:28 Phyllis Smith <phylsmith2017 at gmail.com>:
>> @Spitsyn.andrey: concerning your previous message as provided below the
>> asterisks (***).  A change to the Shell Commands has been checked into GIT
>> that I believe should get you what you can use when you use the "Add"
>> option after going to: Settings->Preferences->Interface->Shell Commands.  I
>> have not documented how to use it yet but I am pretty sure you will
>> understand how to use it as I barely do.  Be sure when doing the Add to
>> check the box "run /path/script.sh + argv" to run that script.  I believe
>> this is all you have to do to get this working:
>> 1) put your script as you described earlier below anywhere on your system
>> that will not be deleted
>> 2) set up you Shell Command as described in the CinelerraGG_manual.pdf
>>   basically do an Add, type in the line /{your directory
>> path}/your_script_file.sh and check the "run" box
>> 3) click all OKs to get back to Cinelerra
>> 4) NOW to execute your script from inside Cinelerra, assuming you have
>> loaded your video files/assets, highlight the 1 file in the Resources
>> Window that you want to proxy using your script, then use the Shell Cmds
>> icon to find the Add that you did and click on it.  I would suggest you
>> look at the output on the window from where you started up Cinelerra to
>> make sure it is working or your script could include an output log file.
>> You can also use $1, $2, ... more args  in your script and then highlight
>> multiple files.
>> Let me know if this works for you or what the problem is if it does not.
>> Thank you as this was a good addition for us.  gg/Phyllis
>> *************************************************************************************************
>> On Wed, May 15, 2019 at 1:22 AM Спицын Андрей <spitsyn.andrey at gmail.com>
>> wrote:
>>> >@GG  My hardware is little bit outdated so I already using script for a
>>> >proxy files creation. I've spend some time to find appropriate options
>>> for
>>> >ffmpeg to use fully hardware encoding/filtering. It has very good
>>> results
>>> >compared to cinelerra proxy routine (about 30x faster) and cinelerra
>>> using
>>> >ffmpeg's hardware filter and vaapi encoder (around 10x faster).
>>> >So I thought that cinelerra can use this script to speed up the proxy
>>> files
>>> >creation.
>>> Here the script file:
>>> #!/bin/bash
>>> filename="$1"
>>> fileout="${filename%.*}"
>>> proxy="6"
>>> # Hardware encode AMD
>>> ffmpeg -threads 2 -hwaccel vaapi  -vaapi_device /dev/dri/renderD128  -i
>>> "$1" -c:v h264_vaapi -vf
>>> "format=nv12,hwupload,scale_vaapi=iw/'$proxy':ih/'$proxy'" -vcodec
>>> h264_vaapi  -preset fast -c:a copy -bf 0 -profile:v 66
>>> "$fileout".proxy"$proxy"-mp4.mp4
>>> --
>> Cin mailing list
>> Cin at lists.cinelerra-gg.org
>> https://lists.cinelerra-gg.org/mailman/listinfo/cin
> --
> Cin mailing list
> Cin at lists.cinelerra-gg.org
> https://lists.cinelerra-gg.org/mailman/listinfo/cin
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <https://lists.cinelerra-gg.org/pipermail/cin/attachments/20190531/2f5b42f7/attachment-0001.html>

More information about the Cin mailing list