Added Audio::Timestamp::addMsecs method

svn-id: r40957

2 files changed, 9 insertions, 0 deletions

diff --git a/sound/timestamp.cpp b/sound/timestamp.cpp
index 8b0f660385..13de41ff06 100644
--- a/sound/timestamp.cpp
+++ b/sound/timestamp.cpp
@@ -53,6 +53,12 @@ Timestamp Timestamp::addFrames(int frames) const {
 	return timestamp;
 }
 
+Timestamp Timestamp::addMsecs(int ms) const {
+	Timestamp timestamp(*this);
+	timestamp._msecs += ms;
+	return timestamp;
+}
+
 int Timestamp::frameDiff(const Timestamp &b) const {
 	assert(_frameRate == b._frameRate);
 
diff --git a/sound/timestamp.h b/sound/timestamp.h
index deb86bc2d7..72671aaa77 100644
--- a/sound/timestamp.h
+++ b/sound/timestamp.h
@@ -56,6 +56,9 @@ public:
 	/** Adds a number of frames to a timestamp. */
 	Timestamp addFrames(int frames) const;
 
+	/** Adds a number of milliseconds to a timestamp. */
+	Timestamp addMsecs(int ms) const;
+
 	/** Computes the difference (# of frames) between this timestamp and b. */
 	int frameDiff(const Timestamp &b) const;