[MPlayer-dev-eng] memalign usage within mplayer

[compn]

On Wed, 3 Mar 2010 16:03:59 +0800, Zuxy Meng wrote:
>Hi,
>
>My personal build used to work perfectly on Windows but now is plauged
>with Seg fault due to misaligned access with SSE code. After spending
>dozens of minutes I found the root cause is mp_image.c uses memalign()
>in mp_image_alloc_planes(), which has been defined to malloc() when
>not present, and the pointer passes down to put_pixels16_sse2 somehow
>via several functions like get_buffer() etc.
>
>I wonder if some recent change has lead to this problem (did we use
>av_malloc() and av_free() before?) or my builds just happened to work.
>If the latter is true, is it reasonable to use av_malloc() and
>av_free() for malloc() and free() across the project under such
>scenario?

previously sse was disabled on mingw, also there was a memalign-hack
option too i think? both were removed after gcc4 came out.

-compn