[FFmpeg-user] compiling for android
Carl Eugen Hoyos
cehoyos at ag.or.at
Wed Jul 9 18:15:49 CEST 2014
Patrick Shirkey <pshirkey <at> boosthardware.com> writes:
> > You can try to compile the following simple code:
> >
> > #include <math.h>
> >
> > double test(double x)
> > {
> > return cos(x) + sin(x);
> > }
So far I assumed that FFmpeg source code does contain
calls to sincos()...
> I found that I can compile without errors if I use the
> following commandline:
>
> /4.4prebuilts/gcc/linux-x86/arm/arm-linux-androideabi-4.7/
> bin/arm-linux-androideabi-gcc
> --sysroot=/4.4/prebuilts/ndk/current/platforms/android-18/arch-arm
> -lm testlm.c
You have to add -O3 or similar to test this.
Carl Eugen
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