[FFmpeg-devel] FFMpeg on SH4 (STi7109)
Tue Nov 18 14:12:05 CET 2008
Jean-Michel Hautbois wrote:
> Hi everybody !
> I am currently trying to compile ffmpeg for the sh4 platform. I have a
> STi7109 based board, and I am currently doing:
May the gods have mercy on you.
> ./configure --enable-cross-compile --cross-prefix=sh4-linux- --arch=sh4
> I have read the discussions here:
> *and here:*
> *I am currently facing the following errors:
> libavcodec/sh4/qpel.c: At top level:
> libavcodec/sh4/qpel.c:1080: error: static declaration of
> 'ff_put_qpel8_mc11_old_c' follows non-static declaration
> ./libavcodec/dsputil.h:143: error: previous declaration of
That file looks like a duplicate of parts of dsputil.c. Something is
definitely fishy here.
> And I have a lot of these.
> Is there something I have to specify in the configure command in order to
> obtain a working executable ?
It looks like the SH4 support is broken. Someone should fix it...
> After this first step, I would like to use the ST231 cores. Do I have to use
> the STAPI ? Or is there any other way to do this ?
Do you have full documentation for the chip? The datasheets I have
provide very little information about how to access these cores. I
suppose you could reverse engineer the ST driver.
mans at mansr.com
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