Yield the omx threads so that file writer threads have a chance to retrieve the output buffers once they become ready

bug - 3252228

Change-Id: Iab7cf1c9a87cce7b814c63b42b21fcd6a7314b36

2 files changed, 5 insertions, 0 deletions

diff --git a/media/libstagefright/MPEG4Writer.cpp b/media/libstagefright/MPEG4Writer.cpp
index 602aa9f4dddf..06c4c980681a 100644
--- a/media/libstagefright/MPEG4Writer.cpp
+++ b/media/libstagefright/MPEG4Writer.cpp
@@ -1734,6 +1734,8 @@ status_t MPEG4Writer::Track::threadEntry() {
     } else {
         prctl(PR_SET_NAME, (unsigned long)"VideoTrackEncoding", 0, 0, 0);
     }
+    setpriority(PRIO_PROCESS, 0, ANDROID_PRIORITY_AUDIO);
+
     sp<MetaData> meta_data;
 
     mNumSamples = 0;
diff --git a/media/libstagefright/OMXCodec.cpp b/media/libstagefright/OMXCodec.cpp
index b954be76ad11..43e4e970ebda 100644
--- a/media/libstagefright/OMXCodec.cpp
+++ b/media/libstagefright/OMXCodec.cpp
@@ -2029,6 +2029,9 @@ void OMXCodec::on_message(const omx_message &msg) {
 
                 mFilledBuffers.push_back(i);
                 mBufferFilled.signal();
+                if (mIsEncoder) {
+                    sched_yield();
+                }
             }
 
             break;