Stagefright: Update start-time once input-time reaches expected start-time

Not doing so will result in CameraSource always dropping frames since
updated-timestamp (0-based) will never intersect start-timestamp (based
on system-time).

Change-Id: I696aef51398ed59be0bad7e0e6f9a85504c1f408
CRs-Fixed: 899460

1 files changed, 6 insertions, 0 deletions

diff --git a/media/libstagefright/CameraSourceTimeLapse.cpp b/media/libstagefright/CameraSourceTimeLapse.cpp
index 873e473..926e95c 100644
--- a/media/libstagefright/CameraSourceTimeLapse.cpp
+++ b/media/libstagefright/CameraSourceTimeLapse.cpp
@@ -295,6 +295,12 @@ bool CameraSourceTimeLapse::skipFrameAndModifyTimeStamp(int64_t *timestampUs) {
 
         mLastTimeLapseFrameRealTimestampUs = *timestampUs;
         *timestampUs = mLastFrameTimestampUs + mTimeBetweenTimeLapseVideoFramesUs;
+        // Update start-time once the captured-time reaches the expected start-time.
+        // Not doing so will result in CameraSource always dropping frames since
+        // updated-timestamp will never intersect start-timestamp
+        if ((mNumFramesReceived == 0 && mLastTimeLapseFrameRealTimestampUs >= mStartTimeUs)) {
+            mStartTimeUs = *timestampUs;
+        }
         return false;
     }
     return false;