SVQ1 chroma has been special-cased aligned to 16-bytes since at least r15466
Other architectures also assume 16-byte alignment here too but set STRIDE_ALIGN
to 16.
Originally committed as revision 21736 to svn://svn.ffmpeg.org/ffmpeg/trunk
c->avg_h264_qpel_pixels_tab[1][x+y*4] = avg_h264_qpel8_mc##x##y##_##CPU;
if((mm_flags & FF_MM_SSE2) && !(mm_flags & FF_MM_3DNOW)){
// these functions are slower than mmx on AMD, but faster on Intel
-/* FIXME works in most codecs, but crashes svq1 due to unaligned chroma
c->put_pixels_tab[0][0] = put_pixels16_sse2;
c->avg_pixels_tab[0][0] = avg_pixels16_sse2;
-*/
H264_QPEL_FUNCS(0, 0, sse2);
}
if(mm_flags & FF_MM_SSE2){