Add a macro to get the number of elements in a table.

Originally committed as revision 15619 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Benoit Fouet 2008-10-15 07:24:54 +00:00
parent e46a98271e
commit ac809e814e

View File

@ -116,6 +116,7 @@
#define FFMIN3(a,b,c) FFMIN(FFMIN(a,b),c)
#define FFSWAP(type,a,b) do{type SWAP_tmp= b; b= a; a= SWAP_tmp;}while(0)
#define FF_ARRAY_ELEMS(a) (sizeof(a) / sizeof((a)[0]))
/* misc math functions */
extern const uint8_t ff_log2_tab[256];