[vlc-devel] [PATCH 03/15] vlc_common: add helper functions to convert (milli)seconds to/from mtime_t

[Steve Lhomme]

---
 include/vlc_common.h | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

diff --git a/include/vlc_common.h b/include/vlc_common.h
index 3d17d8e6a63..d4186883df6 100644
--- a/include/vlc_common.h
+++ b/include/vlc_common.h
@@ -294,6 +294,27 @@ typedef int64_t mtime_t;
 #define SEC_FROM_VTICK(mt)  ((mt) / CLOCK_FREQ)      /* mtime_t in seconds */
 #define VTICK_FROM_SEC(sec) ((mtime_t)((sec) * CLOCK_FREQ)) /* seconds in mtime_t */
 
+static inline mtime_t vtick_from_sec(int64_t sec)
+{
+    return sec * CLOCK_FREQ;
+}
+
+static inline int64_t sec_from_vtick(mtime_t mt)
+{
+    return mt / CLOCK_FREQ;
+}
+
+static inline mtime_t vtick_from_milli(int64_t ms)
+{
+    /* TODO refine if CLOCK_FREQ is not a multiple of 1000 */
+    return ms * (CLOCK_FREQ / 1000);
+}
+
+static inline int64_t milli_from_vtick(mtime_t mt)
+{
+    /* TODO refine if CLOCK_FREQ is not a multiple of 1000 */
+    return mt / (CLOCK_FREQ / 1000);
+}
 
 /**
  * The vlc_fourcc_t type.
-- 
2.17.0