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-rw-r--r--include/system/window.h6
1 files changed, 4 insertions, 2 deletions
diff --git a/include/system/window.h b/include/system/window.h
index 5762a500..eef567db 100644
--- a/include/system/window.h
+++ b/include/system/window.h
@@ -441,8 +441,10 @@ static inline int native_window_set_buffers_transform(
* All buffers queued after this call will be associated with the timestamp
* parameter specified. If the timestamp is set to NATIVE_WINDOW_TIMESTAMP_AUTO
* (the default), timestamps will be generated automatically when queueBuffer is
- * called. The timestamp is measured in nanoseconds, and must be monotonically
- * increasing.
+ * called. The timestamp is measured in nanoseconds, and is normally monotonically
+ * increasing. The timestamp should be unaffected by time-of-day adjustments,
+ * and for a camera should be strictly monotonic but for a media player may be
+ * reset when the position is set.
*/
static inline int native_window_set_buffers_timestamp(
struct ANativeWindow* window,