Index: webkit/media/webmediaplayer_util.cc |
diff --git a/webkit/media/webmediaplayer_util.cc b/webkit/media/webmediaplayer_util.cc |
new file mode 100644 |
index 0000000000000000000000000000000000000000..e2d5ef8d62dcb5d2f275c3ed09c6584d56b5b11f |
--- /dev/null |
+++ b/webkit/media/webmediaplayer_util.cc |
@@ -0,0 +1,26 @@ |
+// Copyright (c) 2012 The Chromium Authors. All rights reserved. |
+// Use of this source code is governed by a BSD-style license that can be |
+// found in the LICENSE file. |
+ |
+#include "webkit/media/webmediaplayer_util.h" |
+ |
+#include <math.h> |
+ |
+namespace webkit_media { |
+ |
+base::TimeDelta ConvertSecondsToTimestamp(float seconds) { |
+ float microseconds = seconds * base::Time::kMicrosecondsPerSecond; |
+ float integer = ceilf(microseconds); |
+ float difference = integer - microseconds; |
+ |
+ // Round down if difference is large enough. |
+ if ((microseconds > 0 && difference > 0.5f) || |
+ (microseconds <= 0 && difference >= 0.5f)) { |
+ integer -= 1.0f; |
+ } |
+ |
+ // Now we can safely cast to int64 microseconds. |
+ return base::TimeDelta::FromMicroseconds(static_cast<int64>(integer)); |
+} |
+ |
+} // namespace webkit_media |