Allocate a block of size bytes with alignment suitable for all
memory accesses (including vectors if available on the CPU).
@param size Size in bytes for the memory block to be allocated.
@return Pointer to the allocated block, NULL if the block cannot
be allocated.
@see av_mallocz()
Allocate a block of size bytes with alignment suitable for all memory accesses (including vectors if available on the CPU). @param size Size in bytes for the memory block to be allocated. @return Pointer to the allocated block, NULL if the block cannot be allocated. @see av_mallocz()