[Ffmpeg-devel] [PATCH] better gdb report on crash in fft.c on mingw.

Benjamin Larsson banan
Sun Jul 2 04:09:54 CEST 2006


Herv? W. wrote:

> Hi,
>
> Perhaps an explanation why this problem occured is in order.
> Commn's cpu has 3dnow (MM_3DNOW) which sets has_vectors in
> ff_fft_init, but because his system doesn't have SSE or the mm3dnow
> header, s->fft_calc is still set to ff_fft_calc_c, but ffmpeg still
> thought it has_vectors and called av_freep(&s->exptab), which should
> only happen when not using ff_fft_calc_c.
>
> The change:
> ff_fft_init now double checks that the system has mm3dnow.h before
> checking if the cpu can do 3dnow at all.
>
> -V
>
>  
>
Applied.

MvH
Benjamin Larsson

--

new tiny signature





More information about the ffmpeg-devel mailing list