1 files changed, 49 insertions, 0 deletions
diff --git a/media/libaah_rtp/utils.cpp b/media/libaah_rtp/utils.cpp
new file mode 100644
index 0000000..3ed2599
--- /dev/null
+++ b/media/libaah_rtp/utils.cpp
@@ -0,0 +1,49 @@
+/*
+ * Copyright (C) 2012 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "utils.h"
+
+namespace android {
+
+void Timeout::setTimeout(int msec) {
+    if (msec < 0) {
+        mSystemEndTime = 0;
+        return;
+    }
+
+    mSystemEndTime = systemTime() + (static_cast<nsecs_t>(msec) * 1000000);
+}
+
+int Timeout::msecTillTimeout(nsecs_t nowTime) {
+    if (!mSystemEndTime) {
+        return -1;
+    }
+
+    if (mSystemEndTime < nowTime) {
+        return 0;
+    }
+
+    nsecs_t delta = mSystemEndTime - nowTime;
+    delta += 999999;
+    delta /= 1000000;
+    if (delta > 0x7FFFFFFF) {
+        return 0x7FFFFFFF;
+    }
+
+    return static_cast<int>(delta);
+}
+
+}  // namespace android