From 0dc7df28dd50167722550fb20c57327398e32e9f Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?M=C3=A5ns=20Rullg=C3=A5rd?= Date: Mon, 12 Apr 2010 11:14:48 +0000 Subject: [PATCH] DCA: use some type-punning in qmf_32_subbands() Originally committed as revision 22847 to svn://svn.ffmpeg.org/ffmpeg/trunk --- libavcodec/dca.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/libavcodec/dca.c b/libavcodec/dca.c index dc164e4b97..596756c79f 100644 --- a/libavcodec/dca.c +++ b/libavcodec/dca.c @@ -30,6 +30,7 @@ #include #include +#include "libavutil/intreadwrite.h" #include "avcodec.h" #include "dsputil.h" #include "fft.h" @@ -770,8 +771,8 @@ static void qmf_32_subbands(DCAContext * s, int chans, for (subindex = 0; subindex < 8; subindex++) { /* Load in one sample from each subband and clear inactive subbands */ for (i = 0; i < s->subband_activity[chans]; i++){ - if((i-1)&2) s->raXin[i] = -samples_in[i][subindex]; - else s->raXin[i] = samples_in[i][subindex]; + uint32_t v = AV_RN32A(&samples_in[i][subindex]) ^ ((i-1)&2)<<30; + AV_WN32A(&s->raXin[i], v); } for (; i < 32; i++) s->raXin[i] = 0.0;