[FFmpeg-user] AAC decoding on Android

Wagner Patriota wagner.patriota at gmail.com
Fri Jul 20 20:10:14 CEST 2012


aren't you able to access the hardware decoder in this case?

On Fri, Jul 20, 2012 at 1:06 PM, Ali Shaheen <ali.shaheen at popcatcher.com>wrote:

> Carl, I ll try to run with 0.11.1 and then comeback to you. thanks
>
>
> On 20 July 2012 17:59, Ali Shaheen <ali.shaheen at popcatcher.com> wrote:
>
> > I have tried with the latest (0.11.1) but when built using same script
> and
> > run with my application it gives this exception.
> > 07-20 17:54:56.260: E/AndroidRuntime(22901): Caused by:
> > java.lang.UnsatisfiedLinkError: Cannot load library: reloc_library[1311]:
> > 139 cannot locate 'avcodec_init'...
> >
> > I searched a lot about the solution of the exception above and then moved
> > back to 0.8.11.
> >
> > Thanks
> >
> >
> >
> > On 20 July 2012 17:46, Carl Eugen Hoyos <cehoyos at ag.or.at> wrote:
> >
> >> Ali Shaheen <ali.shaheen <at> popcatcher.com> writes:
> >>
> >> > I am using 0.8.11  and i have build for armv6.
> >>
> >> This is old, please test current git head.
> >>
> >> > I was wondering if there is some optimization flag
> >> > or something..
> >>
> >> > which can enhance performance by multithreading.
> >>
> >> There is no multithreading for audio decoding
> >> (and I would be surprised if a device that is too slow
> >> to decode AAC provides multiple cores).
> >>
> >> > in build script i have used these flags.
> >> > OPTIMIZE_CFLAGS="-marm -march=$CPU"
> >> > --extra-cflags=" -O3 -fpic -DANDROID -DHAVE_SYS_UIO_H=1
> >> > -Dipv6mr_interface=ipv6mr_ifindex -fasm -Wno-psabi -fno-short-enums
> >> > -fno-strict-aliasing -finline-limit=300 $OPTIMIZE_CFLAGS "
> >>
> >> Do you know that any of these flags have a positive effect
> >> on performance?
> >>
> >> Carl Eugen
> >>
> >> _______________________________________________
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> >> ffmpeg-user at ffmpeg.org
> >> http://ffmpeg.org/mailman/listinfo/ffmpeg-user
> >>
> >
> >
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