diff --git a/media/libmediatranscoding/transcoder/VideoTrackTranscoder.cpp b/media/libmediatranscoding/transcoder/VideoTrackTranscoder.cpp
index 7272a74..d21908f 100644
--- a/media/libmediatranscoding/transcoder/VideoTrackTranscoder.cpp
+++ b/media/libmediatranscoding/transcoder/VideoTrackTranscoder.cpp
@@ -50,6 +50,8 @@
 static constexpr int32_t kDefaultBitrateMbps = 10 * 1000 * 1000;
 // Default frame rate.
 static constexpr int32_t kDefaultFrameRate = 30;
+// Default codec complexity
+static constexpr int32_t kDefaultCodecComplexity = 1;
 
 template <typename T>
 void VideoTrackTranscoder::BlockingQueue<T>::push(T const& value, bool front) {
@@ -247,6 +249,7 @@
 
     SetDefaultFormatValueInt32(AMEDIAFORMAT_KEY_PRIORITY, encoderFormat, kDefaultCodecPriority);
     SetDefaultFormatValueInt32(AMEDIAFORMAT_KEY_FRAME_RATE, encoderFormat, kDefaultFrameRate);
+    SetDefaultFormatValueInt32(AMEDIAFORMAT_KEY_COMPLEXITY, encoderFormat, kDefaultCodecComplexity);
     AMediaFormat_setInt32(encoderFormat, AMEDIAFORMAT_KEY_COLOR_FORMAT, kColorFormatSurface);
 
     // Always encode without rotation. The rotation degree will be transferred directly to