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| author | Måns Rullgård <mans@mansr.com> | 2010-02-18 16:24:31 +0000 |
|---|---|---|
| committer | Måns Rullgård <mans@mansr.com> | 2010-02-18 16:24:31 +0000 |
| commit | 19769ece3bd99b7570f39c9c605bee1bbada2b57 (patch) | |
| tree | db19c1e9e60ff41d57dfd1a76a4eb08509f924f6 /libavcodec/h264.c | |
| parent | f4a7434f16afc4616a34a7cd1bd8e592ed04e89f (diff) | |
| download | ffmpeg-19769ece3bd99b7570f39c9c605bee1bbada2b57.tar.gz | |
H264: use alias-safe macros
This eliminates all aliasing violation warnings in h264 code.
No measurable speed difference with gcc-4.4.3 on i7.
Originally committed as revision 21881 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavcodec/h264.c')
| -rw-r--r-- | libavcodec/h264.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/libavcodec/h264.c b/libavcodec/h264.c index f0abd6bc00..97c97ba7a1 100644 --- a/libavcodec/h264.c +++ b/libavcodec/h264.c @@ -156,11 +156,11 @@ const uint8_t *ff_h264_decode_nal(H264Context *h, const uint8_t *src, int *dst_l # if HAVE_FAST_64BIT # define RS 7 for(i=0; i+1<length; i+=9){ - if(!((~*(const uint64_t*)(src+i) & (*(const uint64_t*)(src+i) - 0x0100010001000101ULL)) & 0x8000800080008080ULL)) + if(!((~AV_RN64A(src+i) & (AV_RN64A(src+i) - 0x0100010001000101ULL)) & 0x8000800080008080ULL)) # else # define RS 3 for(i=0; i+1<length; i+=5){ - if(!((~*(const uint32_t*)(src+i) & (*(const uint32_t*)(src+i) - 0x01000101U)) & 0x80008080U)) + if(!((~AV_RN32A(src+i) & (AV_RN32A(src+i) - 0x01000101U)) & 0x80008080U)) # endif continue; if(i>0 && !src[i]) i--; |