diff --git a/chipset-mt8183/chromeos-base/arcvm-codec-chipset-mt8183/arcvm-codec-chipset-mt8183-0.0.1-r3.ebuild b/chipset-mt8183/chromeos-base/arcvm-codec-chipset-mt8183/arcvm-codec-chipset-mt8183-0.0.1-r4.ebuild
similarity index 100%
rename from chipset-mt8183/chromeos-base/arcvm-codec-chipset-mt8183/arcvm-codec-chipset-mt8183-0.0.1-r3.ebuild
rename to chipset-mt8183/chromeos-base/arcvm-codec-chipset-mt8183/arcvm-codec-chipset-mt8183-0.0.1-r4.ebuild
diff --git a/chipset-mt8183/chromeos-base/arcvm-codec-chipset-mt8183/files/media_codecs_performance_c2.xml b/chipset-mt8183/chromeos-base/arcvm-codec-chipset-mt8183/files/media_codecs_performance_c2.xml
index 50cc51d..915d8d0 100644
--- a/chipset-mt8183/chromeos-base/arcvm-codec-chipset-mt8183/files/media_codecs_performance_c2.xml
+++ b/chipset-mt8183/chromeos-base/arcvm-codec-chipset-mt8183/files/media_codecs_performance_c2.xml
@@ -15,6 +15,30 @@
 -->
 
 <MediaCodecs>
+    <Encoders>
+        <MediaCodec name="c2.android.h263.encoder" type="video/3gpp" update="true">
+            <Limit name="measured-frame-rate-176x144" range="512-512" /> <!-- N=48 v95%=1.1 -->
+        </MediaCodec>
+        <MediaCodec name="c2.android.avc.encoder" type="video/avc" update="true">
+            <Limit name="measured-frame-rate-320x240" range="317-321" /> <!-- N=48 v95%=1.1 -->
+            <Limit name="measured-frame-rate-720x480" range="142-142" /> <!-- N=48 v95%=1.1 -->
+            <Limit name="measured-frame-rate-1280x720" range="80-86" /> <!-- N=48 v95%=1.2 -->
+            <!-- measured 95%:39-58 med:41 SLOW -->
+            <Limit name="measured-frame-rate-1920x1080" range="41-48" /> <!-- N=48 v95%=1.2 -->
+        </MediaCodec>
+        <MediaCodec name="c2.android.hevc.encoder" type="video/hevc" update="true">
+            <Limit name="measured-frame-rate-320x240" range="46-46" /> <!-- N=48 v95%=1.1 -->
+        </MediaCodec>
+        <MediaCodec name="c2.android.mpeg4.encoder" type="video/mp4v-es" update="true">
+            <Limit name="measured-frame-rate-176x144" range="483-483" /> <!-- N=48 v95%=1.1 -->
+        </MediaCodec>
+        <MediaCodec name="c2.android.vp8.encoder" type="video/x-vnd.on2.vp8" update="true">
+            <Limit name="measured-frame-rate-320x180" range="117-117" /> <!-- N=48 v95%=1.0 -->
+            <Limit name="measured-frame-rate-640x360" range="63-63" /> <!-- N=48 v95%=1.0 -->
+            <Limit name="measured-frame-rate-1280x720" range="34-34" /> <!-- N=48 v95%=1.0 -->
+            <Limit name="measured-frame-rate-1920x1080" range="15-16" /> <!-- N=48 v95%=1.0 -->
+        </MediaCodec>
+    </Encoders>
     <Decoders>
         <MediaCodec name="c2.vda.avc.decoder" type="video/avc" update="true">
             <Limit name="measured-frame-rate-320x240" range="648-652" />
@@ -29,5 +53,37 @@
             <Limit name="measured-frame-rate-1280x720" range="274-276" />
             <Limit name="measured-frame-rate-1920x1088" range="152-153" />
         </MediaCodec>
+
+        <MediaCodec name="c2.android.h263.decoder" type="video/3gpp" update="true">
+            <Limit name="measured-frame-rate-176x144" range="443-443" /> <!-- N=48 v95%=1.2 -->
+            <Limit name="measured-frame-rate-352x288" range="351-351" /> <!-- N=48 v95%=1.2 -->
+        </MediaCodec>
+        <MediaCodec name="c2.android.avc.decoder" type="video/avc" update="true">
+            <Limit name="measured-frame-rate-320x240" range="216-227" /> <!-- N=48 v95%=1.3 -->
+            <Limit name="measured-frame-rate-720x480" range="129-129" /> <!-- N=48 v95%=1.2 -->
+            <Limit name="measured-frame-rate-1280x720" range="64-64" /> <!-- N=48 v95%=1.3 -->
+            <Limit name="measured-frame-rate-1920x1080" range="35-35" /> <!-- N=48 v95%=1.1 -->
+        </MediaCodec>
+        <MediaCodec name="c2.android.hevc.decoder" type="video/hevc" update="true">
+            <Limit name="measured-frame-rate-352x288" range="304-304" /> <!-- N=48 v95%=1.2 -->
+            <Limit name="measured-frame-rate-640x360" range="194-194" /> <!-- N=48 v95%=1.2 -->
+            <Limit name="measured-frame-rate-720x480" range="170-170" /> <!-- N=48 v95%=1.2 -->
+            <Limit name="measured-frame-rate-1280x720" range="100-101" /> <!-- N=48 v95%=1.0 -->
+            <Limit name="measured-frame-rate-1920x1080" range="63-63" /> <!-- N=48 v95%=1.0 -->
+        </MediaCodec>
+        <MediaCodec name="c2.android.mpeg4.decoder" type="video/mp4v-es" update="true">
+            <Limit name="measured-frame-rate-176x144" range="426-426" /> <!-- N=48 v95%=1.1 -->
+        </MediaCodec>
+        <MediaCodec name="c2.android.vp8.decoder" type="video/x-vnd.on2.vp8" update="true">
+            <Limit name="measured-frame-rate-320x180" range="376-376" /> <!-- N=48 v95%=1.1 -->
+            <Limit name="measured-frame-rate-640x360" range="178-179" /> <!-- N=48 v95%=1.1 -->
+            <Limit name="measured-frame-rate-1920x1080" range="26-27" /> <!-- N=48 v95%=1.0 -->
+        </MediaCodec>
+        <MediaCodec name="c2.android.vp9.decoder" type="video/x-vnd.on2.vp9" update="true">
+            <Limit name="measured-frame-rate-320x180" range="288-288" /> <!-- N=48 v95%=1.1 -->
+            <Limit name="measured-frame-rate-640x360" range="167-167" /> <!-- N=48 v95%=1.2 -->
+            <Limit name="measured-frame-rate-1280x720" range="97-97" /> <!-- N=48 v95%=1.2 -->
+            <Limit name="measured-frame-rate-1920x1080" range="67-67" /> <!-- N=48 v95%=1.1 -->
+        </MediaCodec>
     </Decoders>
 </MediaCodecs>