commit f5df0cc104f6929fdc9d0084c599fe086fe1d790
author Linus Nilsson <lnilsson@google.com> Thu Apr 22 15:40:32 2021 -0700
committer Linus Nilsson <lnilsson@google.com> Thu Apr 22 15:40:32 2021 -0700
tree 06f29d5374dcc61495118483be58f22b0366d872
parent 22df0f2124d451339ac6be3a1162dcd88f59dbf2

Transcoder: Run all transcoder threads on background priority.

Bug: 183751395
Test: build_and_run_all_unit_tests.sh
Change-Id: I4e30e3fda4b9ed8773991d7d4bff5229df57b52d

media/libmediatranscoding/transcoder/MediaSampleWriter.cpp

diff --git a/media/libmediatranscoding/transcoder/MediaSampleWriter.cpp b/media/libmediatranscoding/transcoder/MediaSampleWriter.cpp
index d6ae0f3..0e800bc 100644
--- a/media/libmediatranscoding/transcoder/MediaSampleWriter.cpp
+++ b/media/libmediatranscoding/transcoder/MediaSampleWriter.cpp
@@ -21,6 +21,7 @@
 #include <media/MediaSampleWriter.h>
 #include <media/NdkMediaMuxer.h>
 #include <sys/prctl.h>
+#include <utils/AndroidThreads.h>
 
 namespace android {
 
@@ -174,6 +175,7 @@
 
     mState = STARTED;
     std::thread([this] {
+        androidSetThreadPriority(0 /* tid (0 = current) */, ANDROID_PRIORITY_BACKGROUND);
         prctl(PR_SET_NAME, (unsigned long)"SampleWriterTrd", 0, 0, 0);
 
         bool wasStopped = false;