@@ -50,6 +50,14 @@ typedef union {

  * AV_[RW][BLN](16|24|32|48|64) and AV_(COPY|SWAP|ZERO)(64|128) macros.

  * Preprocessor symbols must be defined, even if these are implemented

  * as inline functions.

+ *

+ * R/W means read/write, B/L/N means big/little/native endianness.

+ * The following macros require aligned access, compared to their

+ * unaligned variants: AV_(COPY|SWAP|ZERO)(64|128), AV_[RW]N[8-64]A.

+ * Incorrect usage may range from abysmal performance to crash

+ * depending on the platform.

+ *

+ * The unaligned variants are AV_[RW][BLN][8-64] and AV_COPY*U.

  */

 #ifdef HAVE_AV_CONFIG_H