[FFmpeg-devel] libavcodec/pthread.c:138: error: no previous prototype for 'avcodec_thread_execute2'

Michael Niedermayer michaelni
Sun Mar 14 14:32:38 CET 2010


On Sun, Mar 14, 2010 at 02:00:12AM +0000, M?ns Rullg?rd wrote:
> Michael Niedermayer <michaelni at gmx.at> writes:
> 
> > On Mon, Mar 08, 2010 at 04:57:24PM +0100, Benoit Fouet wrote:
> > [...]
> >> @@ -3255,9 +3255,11 @@ enum PixelFormat avcodec_default_get_for                                                                             
> >> 
> >>  int avcodec_thread_init(AVCodecContext *s, int thread_count);
> >>  void avcodec_thread_free(AVCodecContext *s);
> >> +#if LIBAVCODEC_VERSION_MAJOR < 53
> >>  int avcodec_thread_execute(AVCodecContext *s, int (*func)(AVCodecContext *c2, void *arg2),void *arg, int *ret, int count, int size);
> >
> >>  int avcodec_default_execute(AVCodecContext *c, int (*func)(AVCodecContext *c2, void *arg2),void *arg, int *ret, int count, int size);
> >>  int avcodec_default_execute2(AVCodecContext *c, int (*func)(AVCodecContext *c2, void *arg2, int, int),void *arg, int *ret, int count);
> >
> > these 2 are usefull to set AVCodecContext->execute* to a non threaded
> > variant which a user app might wish to do
> 
> Those are the defaults if avcodec_thread_init() isn't called.  There
> is no need to export them.

I thought some implementations might want to use it as fallback or to
pass execution on after doing some processing.
We allso have such a thing for get_buffer/release_buffer() and its used

[...]
-- 
Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

Freedom in capitalist society always remains about the same as it was in
ancient Greek republics: Freedom for slave owners. -- Vladimir Lenin
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