Changeset 70 for pjproject/trunk/pjlib/include/pj/os.h

Timestamp:

Nov 21, 2005 4:59:47 PM (18 years ago)

Author:

bennylp

Message:

Added rdtsc option for win32 timestamp and added pj_elapsed_msec

File:

• pjproject/trunk/pjlib/include/pj/os.h (modified) (1 diff)

pjproject/trunk/pjlib/include/pj/os.h

@@ -923 +923 @@
 
 /**
+ * Calculate the elapsed time as 32-bit miliseconds.
+ * This function calculates the elapsed time using highest precision
+ * calculation that is available for current platform, considering
+ * whether floating point or 64-bit precision arithmetic is available. 
+ * For maximum portability, application should prefer to use this function
+ * rather than calculating the elapsed time by itself.
+ *
+ * @param start     The starting timestamp.
+ * @param stop      The end timestamp.
+ *
+ * @return          Elapsed time in milisecond.
+ *
+ * @see pj_elapsed_time(), pj_elapsed_cycle(), pj_elapsed_nanosec()
+ */
+PJ_DECL(pj_uint32_t) pj_elapsed_msec( const pj_timestamp *start,
+                                      const pj_timestamp *stop );
+
+/**
  * Calculate the elapsed time in 32-bit microseconds.
  * This function calculates the elapsed time using highest precision