diff options
author | Måns Rullgård <mans@mansr.com> | 2010-04-12 15:14:48 +0400 |
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committer | Måns Rullgård <mans@mansr.com> | 2010-04-12 15:14:48 +0400 |
commit | 0dc7df28dd50167722550fb20c57327398e32e9f (patch) | |
tree | 3e1c00d25102f7f970560524d0e94475f2a2ee76 /libavcodec/dca.c | |
parent | 6b174197b5bfc6ec09ab5ba89d8c2b232a06e900 (diff) |
DCA: use some type-punning in qmf_32_subbands()
Originally committed as revision 22847 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavcodec/dca.c')
-rw-r--r-- | libavcodec/dca.c | 5 |
1 files 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 <stddef.h> #include <stdio.h> +#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; |