[FFmpeg-devel] [PATCH 7/7] Add alias-safe aligned AV_[RW]N macros
Michael Niedermayer
michaelni
Sun Jan 31 02:31:34 CET 2010
On Fri, Jan 29, 2010 at 02:12:14AM +0000, Mans Rullgard wrote:
> ---
> libavutil/intreadwrite.h | 32 ++++++++++++++++++++++++++++++++
> 1 files changed, 32 insertions(+), 0 deletions(-)
>
> diff --git a/libavutil/intreadwrite.h b/libavutil/intreadwrite.h
> index 631db75..61ad488 100644
> --- a/libavutil/intreadwrite.h
> +++ b/libavutil/intreadwrite.h
> @@ -418,6 +418,38 @@ union unaligned_16 { uint16_t l; } __attribute__((packed)) av_alias;
> } while(0)
> #endif
>
> +/*
> + * The AV_[RW]NA macros access naturally aligned data
> + * in a type-safe way.
> + */
> +
> +#define AV_RNA(s, p) (((const ff_alias##s*)(p))->u##s)
> +#define AV_WNA(s, p, v) (((ff_alias##s*)(p))->u##s = (v))
do we really need yet another set?
[...]
--
Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB
If you really think that XML is the answer, then you definitly missunderstood
the question -- Attila Kinali
-------------- next part --------------
A non-text attachment was scrubbed...
Name: not available
Type: application/pgp-signature
Size: 189 bytes
Desc: Digital signature
URL: <http://lists.mplayerhq.hu/pipermail/ffmpeg-devel/attachments/20100131/ad4dda54/attachment.pgp>
More information about the ffmpeg-devel
mailing list