commit 87d199cf2bf15e655a60b9c59e354cd85d45d0d5
author Chong Zhang <chz@google.com> Mon Mar 01 19:02:18 2021 -0800
committer Chong Zhang <chz@google.com> Mon Mar 08 20:37:39 2021 +0000
tree d3d7df11cf5c52641dc5814c3c18efb2054e89a0
parent b2d4b7b00eda590b0b96a5109137126d1f81a19b

transcoding: drop transcoding request for bad actors

Drop requests for a uid if it submits more than X back-to-back requests
that lasted longer than Y seconds.

bug: 177631807
test: new and existing unit tests; CTS MediaTranscodeManagerTest;
Manual testing Yelp app (with shortened thresholds)

Change-Id: I88287be62190ee5bc815dedb2a62c54ed3c41824

media/libmediatranscoding/transcoder/MediaSampleWriter.cpp

diff --git a/media/libmediatranscoding/transcoder/MediaSampleWriter.cpp b/media/libmediatranscoding/transcoder/MediaSampleWriter.cpp
index 0efe85d..88c1c42 100644
--- a/media/libmediatranscoding/transcoder/MediaSampleWriter.cpp
+++ b/media/libmediatranscoding/transcoder/MediaSampleWriter.cpp
@@ -237,8 +237,8 @@
     }
 
     std::chrono::microseconds updateInterval(mHeartBeatIntervalUs);
-    std::chrono::system_clock::time_point nextUpdateTime =
-            std::chrono::system_clock::now() + updateInterval;
+    std::chrono::steady_clock::time_point nextUpdateTime =
+            std::chrono::steady_clock::now() + updateInterval;
 
     while (true) {
         if (trackEosCount >= mTracks.size()) {