[FFmpeg-devel] GPU Hardware Acceleration [was Re: openCL support]

compn tempn at twmi.rr.com
Thu Jan 3 16:47:36 CET 2013

On Thu, 3 Jan 2013 23:06:35 +1100 (EST), Patrick Shirkey wrote:
>On Thu, January 3, 2013 9:59 pm, Andrey Utkin wrote:
>> 2012/12/31 Roger Pack <rogerdpack2 at gmail.com>:
>>> I wish I had time to implement bindings to
>>> https://developer.nvidia.com/nvidia-codec-libraries (nvcuvenc).  There
>>>  "may" be libraries for nvcuvenc for linux, I haven't looked into it
>>> too much, but
>>>  every so often people that do live streaming using ffmpeg "wish" they
>>>  could use their graphics card for encoding, to save on cpu, so it might
>>>  be interesting.
>> Nvidia H.264 encoding library is not available for linux, only for
>> windows.
>> There is a commercial multi-platform library leveraging Nvidia GPU
>> from MainConcept. BTW it utilizes CPU quite noticeably, still its
>> performance figured out to be not interesting in comparsion with
>> x264...
>Pretty much the same thing with AMD/ATI. They have commercial drivers and
>basically a completely proprietary version of ffmpeg that runs on *nix but
>they refuse to open source all the code so it can be used by the

they are distributing actual ffmpeg? i like to keep a list of big
companies that use the project.

>opensource community. They see ffmpeg and opensource multimedia in general
>as a threat to their proprietary corporate benefactors who have put a lot
>of pressure on them not to cooperate with the open source community.

many users would be happy to have binary encoding support even.

>Over here we have discussed it with them for the past year right up to the

Thank you for trying.

>What they fail to see is that open source and Linux in particular
>represent the best way for them increase their rapidly diminishing bottom
>line. Not only is Linux the most widely used operating system on the

i think amd/ati's problems go deeper than just linux support. probably
more into forgetting to have competitive research teams working on the
next big thing, like lower-watt multicore gpu.

>by the Carlyle Group who's main business model is printing money and
>taking over petroleum exporting countries.



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