From 6cbf2420b95db9c65921c2f1c23105b9f7998338 Mon Sep 17 00:00:00 2001 From: Mans Rullgard Date: Tue, 5 Jul 2011 15:53:05 +0100 Subject: PPC: use Altivec IMDCT only for supported sizes The Altivec IMDCT works with size 32 and higher only. Signed-off-by: Mans Rullgard --- libavcodec/ppc/fft_altivec.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) (limited to 'libavcodec/ppc') diff --git a/libavcodec/ppc/fft_altivec.c b/libavcodec/ppc/fft_altivec.c index 435024a0cb..39830b29a0 100644 --- a/libavcodec/ppc/fft_altivec.c +++ b/libavcodec/ppc/fft_altivec.c @@ -141,7 +141,9 @@ av_cold void ff_fft_init_altivec(FFTContext *s) { #if HAVE_GNU_AS s->fft_calc = ff_fft_calc_interleave_altivec; - s->imdct_calc = ff_imdct_calc_altivec; - s->imdct_half = ff_imdct_half_altivec; + if (s->mdct_bits >= 5) { + s->imdct_calc = ff_imdct_calc_altivec; + s->imdct_half = ff_imdct_half_altivec; + } #endif } -- cgit v1.2.1