[FFmpeg-user] HW acceleration and ffmpeg

Harshil Makwana harshil.makwana1991 at gmail.com
Mon Nov 12 15:30:48 EET 2018


You need to specify hardware accelerator to ffmpeg.

You can give hw acceleration name with 
-hwaccel option to ffmpeg.

And if you want to use it with any binary then its example code is located at :

doc/examples/hw_decode.c or doc/examples/vaapi_encode.c or
doc/examples/vaapi_decode.c file

You can compile and use its binary.


> On 12-Nov-2018, at 6:11 PM, <vpstranger at tutanota.com> <vpstranger at tutanota.com> wrote:
> Hello! 
> I have a couple of questions about ffmpeg tool. 
> When I use the ffmpeg tool that was compiled with support of one of the hardware accelerators, will the tool automatically use this acceleration while working? Or it has to be explicitly specified somehow that it must be used? 
> And if it attempts to use it, how do I check whether that attempt was successful?
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