[FFmpeg-user] AAC decoding on Android

Ali Shaheen ali.shaheen at popcatcher.com
Fri Jul 20 23:54:21 CEST 2012


Hi Wagner,
              Actually i need decoded stream as well. I already implemented
in ffmpeg for mp3,wma. So i am trying to use same for aac.
-Ali

On 20 July 2012 20:10, Wagner Patriota <wagner.patriota at gmail.com> wrote:

> 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
> > >>
> > >> _______________________________________________
> > >> ffmpeg-user mailing list
> > >> ffmpeg-user at ffmpeg.org
> > >> http://ffmpeg.org/mailman/listinfo/ffmpeg-user
> > >>
> > >
> > >
> > _______________________________________________
> > ffmpeg-user mailing list
> > ffmpeg-user at ffmpeg.org
> > http://ffmpeg.org/mailman/listinfo/ffmpeg-user
> >
> _______________________________________________
> ffmpeg-user mailing list
> ffmpeg-user at ffmpeg.org
> http://ffmpeg.org/mailman/listinfo/ffmpeg-user
>


More information about the ffmpeg-user mailing list