[Freeswitch-users] libg722_1: Cross Compilation of src/make_dct4_tables.c

[Steve Underwood]

On 12/26/2010 09:23 AM, mazilo wrote:
> I am facing a dilemma trying to cross-compile libg722_1 package from
> FreeSWITCH git version for an ARM5 platform. First of all, the compilation
> is fine up to a point to produce a cross-platform src/make_dct4_tables
> binary file. From there on, the compilation process tries to execute the
> newly produced (cross-compiled) src/make_dct4_tables binary file on the host
> to produce a src/dct4.h file that contains tables. This certainly will crash
> the compilation process because the src/make_dct4_tables binary file is for
> an ARM5 platform and not an x86 platform where the host is. I can manually
> compile the src/make_dct4_tables.c on the host to produce an x86 binary file
> and use it to manually generate the src/dct4.h file, but this poses a
> dilemma. Even though the src/dct4.h produced in this way will not have a
> problem to produce the libg722_1 codes to run/execute on an ARM5 platform,
> but it will probably not be able to correctly process the G722_1 audio
> streams. The reason is simply I suspect the src/dct4.h files generated by
> the src/make_dct4_tables binary file from both the x86 and ARM5 platforms
> are not identical. I hope experts here will be able to see this and come up
> with the solution.
>
> -----
> don't and stop are the ONLY two 4-letter words considered offensive to men,
> but not when used together.
I just committed some updates to the G.722.1 codec in the FreeSwitch 
repository. Can you see if that builds OK in your cross compiling 
environment?

Steve