[FFmpeg-user] Using latest NDK and ffmpeg version results in very slow video processing on android

Srikanth Kommineni srikanth0569 at gmail.com
Wed Feb 3 20:08:40 CET 2016


That's a great suggestion martin, is there a easy I can determine the
number of cores being used ?

On Tue, Feb 2, 2016 at 6:04 PM, Reuben Martin <reuben.m at gmail.com> wrote:

> On Monday, February 01, 2016 08:19:07 PM Srikanth Kommineni wrote:
> > The older script it not setting the CPU option and seems to be compiling
> > fine but when I tried to remove the cpu option in the newer script and
> its
> > failing with
> >
> > ffmpeg-android-master/toolchain-android/bin/arm-linux-androideabi-gcc is
> > unable to create an executable file.
> >
> > C compiler test failed.
> >
>
> It might be getting set with an environment variable, or a default value
> somewhere. There are a lot more components to this than is revealed from
> the
> build scripts.
>
> Check the man pages for your compiler to see what CPU architectures it
> supports. It appears you’re building it on a Mac, and in that case it is
> either using gcc (which the version of gcc on a mac is older than the
> aforementioned arm cpu), or more likely is using LLVM, which I am not
> familiar
> what CPU architectures it supports. The man pages should cover that though.
>
> One quick way to test the theory is to run the newer binary and see how
> many
> cores are being used.
>
> -Reuben
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-- 
Srikanth Kommineni


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