Re: [Linphone-users] Support for big-endian architectures is missing?

[Simon MORLAT]

Thanks for reporting this problem.
I guess the problem also happens for voice from a remote sip-phone ?

Paavo Hartikainen wrote:

> On PowerPC workstations (for example), audio that is played through
> "mediastreamer" is played in wrong byte order.  Playing default
> ringtone causes terrible grinding noise.
>
> I do not understand the code too well, but I tried changing file
> "linphone-0.12.2/mediastreamer/alsacard.c" line "64" to contain
> "SND_PCM_FORMAT_S16_BE" instead of "SND_PCM_FORMAT_S16_LE".  Listening
> to ringtone at configuration dialog after the modification sounds
> normal again.  No doubt this breaks audio byte order in little-endian
> systems, so it needs some conditional logic around.
>
> And of course this only has effect on ALSA, OSS needs something else.
> Audio input supposedly needs byte order fixes as well.
>
> I think "#include <endian.h>" might be useful as part of solution.
>
>