diff --git a/media/libmediatranscoding/transcoder/VideoTrackTranscoder.cpp b/media/libmediatranscoding/transcoder/VideoTrackTranscoder.cpp
index e3c0b05..994695f 100644
--- a/media/libmediatranscoding/transcoder/VideoTrackTranscoder.cpp
+++ b/media/libmediatranscoding/transcoder/VideoTrackTranscoder.cpp
@@ -238,7 +238,12 @@
     int32_t operatingRate = getDefaultOperatingRate(encoderFormat);
 
     if (operatingRate != -1) {
-        SetDefaultFormatValueInt32(AMEDIAFORMAT_KEY_OPERATING_RATE, encoderFormat, operatingRate);
+        float tmpf;
+        int32_t tmpi;
+        if (!AMediaFormat_getFloat(encoderFormat, AMEDIAFORMAT_KEY_OPERATING_RATE, &tmpf) &&
+            !AMediaFormat_getInt32(encoderFormat, AMEDIAFORMAT_KEY_OPERATING_RATE, &tmpi)) {
+            AMediaFormat_setInt32(encoderFormat, AMEDIAFORMAT_KEY_OPERATING_RATE, operatingRate);
+        }
     }
 
     SetDefaultFormatValueInt32(AMEDIAFORMAT_KEY_PRIORITY, encoderFormat, kDefaultCodecPriority);
@@ -260,8 +265,8 @@
         return AMEDIA_ERROR_INVALID_PARAMETER;
     }
 
-    // TODO: replace __ANDROID_API_FUTURE__with 31 when it's official (b/178144708)
-    #define __TRANSCODING_MIN_API__ __ANDROID_API_FUTURE__
+// TODO: replace __ANDROID_API_FUTURE__with 31 when it's official (b/178144708)
+#define __TRANSCODING_MIN_API__ __ANDROID_API_FUTURE__
 
     AMediaCodec* encoder;
     if (__builtin_available(android __TRANSCODING_MIN_API__, *)) {
diff --git a/media/libmediatranscoding/transcoder/benchmark/MediaTranscoderBenchmark.cpp b/media/libmediatranscoding/transcoder/benchmark/MediaTranscoderBenchmark.cpp
index e0b2050..42933e6 100644
--- a/media/libmediatranscoding/transcoder/benchmark/MediaTranscoderBenchmark.cpp
+++ b/media/libmediatranscoding/transcoder/benchmark/MediaTranscoderBenchmark.cpp
@@ -33,6 +33,7 @@
 #include <binder/ProcessState.h>
 #include <fcntl.h>
 #include <media/MediaTranscoder.h>
+#include <media/NdkCommon.h>
 
 #include <iostream>
 
@@ -87,6 +88,7 @@
 
     AMediaFormat* videoFormat = AMediaFormat_new();
     AMediaFormat_setInt32(videoFormat, AMEDIAFORMAT_KEY_BIT_RATE, kVideoBitRate);
+    AMediaFormat_setString(videoFormat, AMEDIAFORMAT_KEY_MIME, AMEDIA_MIMETYPE_VIDEO_AVC);
     return videoFormat;
 }
 
@@ -222,7 +224,7 @@
 }
 
 static void SetMaxOperatingRate(AMediaFormat* format) {
-    AMediaFormat_setFloat(format, AMEDIAFORMAT_KEY_OPERATING_RATE, INT32_MAX);
+    AMediaFormat_setInt32(format, AMEDIAFORMAT_KEY_OPERATING_RATE, INT32_MAX);
     AMediaFormat_setInt32(format, AMEDIAFORMAT_KEY_PRIORITY, 1);
 }