[vlc-devel] [vlc-commits] commit: Added support for ffmpeg-mt. (Laurent Aimar )

[Laurent Aimar]

On Thu, 2010-05-13 at 17:11 +1000, xxcv wrote:
> > +        i_thread_count = vlc_GetCPUCount();
> > +#ifdef HAVE_AVCODEC_VA
> > +    if( b_use_hw )
> > +    {
> > +        if( i_thread_count>  1 )
> > +            msg_Err( p_dec, "ffmpeg-hw and ffmpeg-threads options are not compatible" );
> Is it possible to always let avcodec fall back to 1 thread count 
> automatically when hardware acceleration is in use ?
> libavcodec will crash attempt to use hardware acceleration with multiple 
> thread counts.
> This is a workaround to cover up a libavcodec bug right ?
 Yes, but it is not enough. With the version I used, it still segfaults
and so I will have to disable hardware acceleration instead.

> > +        i_thread_count = 1;
> > +    }
> > +#endif
> > +    msg_Dbg( p_dec, "allowing %d thread(s) for decoding", i_thread_count );
> > +    p_sys->p_context->thread_count = i_thread_count;
> Is it possible to change the thread count after completion of function 
> InitVideoDec ?
 I don't think so, why ?
-- 
fenrir