diff --git a/media/omx/1.0/vts/functional/audio/VtsHalMediaOmxV1_0TargetAudioDecTest.cpp b/media/omx/1.0/vts/functional/audio/VtsHalMediaOmxV1_0TargetAudioDecTest.cpp
index 145d04a..81a05ca 100644
--- a/media/omx/1.0/vts/functional/audio/VtsHalMediaOmxV1_0TargetAudioDecTest.cpp
+++ b/media/omx/1.0/vts/functional/audio/VtsHalMediaOmxV1_0TargetAudioDecTest.cpp
@@ -643,39 +643,16 @@
                    AudioDecHidlTest::standardComp comp, bool signalEOS = true) {
     android::hardware::media::omx::V1_0::Status status;
     Message msg;
-
-    // dispatch output buffers
-    for (size_t i = 0; i < oBuffer->size(); i++) {
-        dispatchOutputBuffer(omxNode, oBuffer, i);
-    }
-    // dispatch input buffers
+    size_t index;
     uint32_t flags = 0;
     int frameID = offset;
-    for (size_t i = 0; (i < iBuffer->size()) && (frameID < (int)Info->size()) &&
-                       (frameID < (offset + range));
-         i++) {
-        char* ipBuffer = static_cast<char*>(
-            static_cast<void*>((*iBuffer)[i].mMemory->getPointer()));
-        ASSERT_LE((*Info)[frameID].bytesCount,
-                  static_cast<int>((*iBuffer)[i].mMemory->getSize()));
-        eleStream.read(ipBuffer, (*Info)[frameID].bytesCount);
-        ASSERT_EQ(eleStream.gcount(), (*Info)[frameID].bytesCount);
-        flags = (*Info)[frameID].flags;
-        if (signalEOS && ((frameID == (int)Info->size() - 1) ||
-                          (frameID == (offset + range - 1))))
-            flags |= OMX_BUFFERFLAG_EOS;
-        dispatchInputBuffer(omxNode, iBuffer, i, (*Info)[frameID].bytesCount,
-                            flags, (*Info)[frameID].timestamp);
-        frameID++;
-    }
-
     int timeOut = TIMEOUT_COUNTER_Q;
     bool iQueued, oQueued;
+
     while (1) {
         iQueued = oQueued = false;
         status =
             observer->dequeueMessage(&msg, DEFAULT_TIMEOUT_Q, iBuffer, oBuffer);
-
         // Port Reconfiguration
         if (status == android::hardware::media::omx::V1_0::Status::OK &&
             msg.type == Message::Type::EVENT) {
@@ -688,7 +665,6 @@
         if (frameID == (int)Info->size() || frameID == (offset + range)) break;
 
         // Dispatch input buffer
-        size_t index = 0;
         if ((index = getEmptyBufferID(iBuffer)) < iBuffer->size()) {
             char* ipBuffer = static_cast<char*>(
                 static_cast<void*>((*iBuffer)[index].mMemory->getPointer()));
@@ -697,6 +673,11 @@
             eleStream.read(ipBuffer, (*Info)[frameID].bytesCount);
             ASSERT_EQ(eleStream.gcount(), (*Info)[frameID].bytesCount);
             flags = (*Info)[frameID].flags;
+            // Indicate to omx core that the buffer contains a full frame worth
+            // of data
+            flags |= OMX_BUFFERFLAG_ENDOFFRAME;
+            // Indicate the omx core that this is the last buffer it needs to
+            // process
             if (signalEOS && ((frameID == (int)Info->size() - 1) ||
                               (frameID == (offset + range - 1))))
                 flags |= OMX_BUFFERFLAG_EOS;
@@ -706,10 +687,12 @@
             frameID++;
             iQueued = true;
         }
+        // Dispatch output buffer
         if ((index = getEmptyBufferID(oBuffer)) < oBuffer->size()) {
             dispatchOutputBuffer(omxNode, oBuffer, index);
             oQueued = true;
         }
+        // Reset Counters when either input or output buffer is dispatched
         if (iQueued || oQueued)
             timeOut = TIMEOUT_COUNTER_Q;
         else
diff --git a/media/omx/1.0/vts/functional/audio/VtsHalMediaOmxV1_0TargetAudioEncTest.cpp b/media/omx/1.0/vts/functional/audio/VtsHalMediaOmxV1_0TargetAudioEncTest.cpp
index 038830d..278e196 100644
--- a/media/omx/1.0/vts/functional/audio/VtsHalMediaOmxV1_0TargetAudioEncTest.cpp
+++ b/media/omx/1.0/vts/functional/audio/VtsHalMediaOmxV1_0TargetAudioEncTest.cpp
@@ -376,44 +376,25 @@
                    bool signalEOS = true) {
     android::hardware::media::omx::V1_0::Status status;
     Message msg;
-
-    // dispatch output buffers
-    for (size_t i = 0; i < oBuffer->size(); i++) {
-        dispatchOutputBuffer(omxNode, oBuffer, i);
-    }
-    // dispatch input buffers
+    size_t index;
     int bytesCount = samplesPerFrame * nChannels * 2;
     int32_t timestampIncr =
         (int)(((float)samplesPerFrame / nSampleRate) * 1000000);
     uint64_t timestamp = 0;
     uint32_t flags = 0;
-    for (size_t i = 0; i < iBuffer->size() && nFrames != 0; i++) {
-        char* ipBuffer = static_cast<char*>(
-            static_cast<void*>((*iBuffer)[i].mMemory->getPointer()));
-        ASSERT_LE(bytesCount,
-                  static_cast<int>((*iBuffer)[i].mMemory->getSize()));
-        eleStream.read(ipBuffer, bytesCount);
-        if (eleStream.gcount() != bytesCount) break;
-        if (signalEOS && (nFrames == 1)) flags = OMX_BUFFERFLAG_EOS;
-        dispatchInputBuffer(omxNode, iBuffer, i, bytesCount, flags, timestamp);
-        timestamp += timestampIncr;
-        nFrames--;
-    }
-
     int timeOut = TIMEOUT_COUNTER_Q;
     bool iQueued, oQueued;
+
     while (1) {
         iQueued = oQueued = false;
         status =
             observer->dequeueMessage(&msg, DEFAULT_TIMEOUT_Q, iBuffer, oBuffer);
-
         if (status == android::hardware::media::omx::V1_0::Status::OK)
             ASSERT_TRUE(false);
 
         if (nFrames == 0) break;
 
         // Dispatch input buffer
-        size_t index = 0;
         if ((index = getEmptyBufferID(iBuffer)) < iBuffer->size()) {
             char* ipBuffer = static_cast<char*>(
                 static_cast<void*>((*iBuffer)[index].mMemory->getPointer()));
@@ -421,7 +402,8 @@
                       static_cast<int>((*iBuffer)[index].mMemory->getSize()));
             eleStream.read(ipBuffer, bytesCount);
             if (eleStream.gcount() != bytesCount) break;
-            if (signalEOS && (nFrames == 1)) flags = OMX_BUFFERFLAG_EOS;
+            flags = OMX_BUFFERFLAG_ENDOFFRAME;
+            if (signalEOS && (nFrames == 1)) flags |= OMX_BUFFERFLAG_EOS;
             dispatchInputBuffer(omxNode, iBuffer, index, bytesCount, flags,
                                 timestamp);
             timestamp += timestampIncr;
@@ -433,6 +415,7 @@
             dispatchOutputBuffer(omxNode, oBuffer, index);
             oQueued = true;
         }
+        // Reset Counters when either input or output buffer is dispatched
         if (iQueued || oQueued)
             timeOut = TIMEOUT_COUNTER_Q;
         else
diff --git a/media/omx/1.0/vts/functional/video/VtsHalMediaOmxV1_0TargetVideoDecTest.cpp b/media/omx/1.0/vts/functional/video/VtsHalMediaOmxV1_0TargetVideoDecTest.cpp
index 8d739e8..2ea9701 100644
--- a/media/omx/1.0/vts/functional/video/VtsHalMediaOmxV1_0TargetVideoDecTest.cpp
+++ b/media/omx/1.0/vts/functional/video/VtsHalMediaOmxV1_0TargetVideoDecTest.cpp
@@ -601,39 +601,16 @@
                    bool signalEOS = true) {
     android::hardware::media::omx::V1_0::Status status;
     Message msg;
-
-    // dispatch output buffers
-    for (size_t i = 0; i < oBuffer->size(); i++) {
-        dispatchOutputBuffer(omxNode, oBuffer, i, oPortMode);
-    }
-    // dispatch input buffers
+    size_t index;
     uint32_t flags = 0;
     int frameID = offset;
-    for (size_t i = 0; (i < iBuffer->size()) && (frameID < (int)Info->size()) &&
-                       (frameID < (offset + range));
-         i++) {
-        char* ipBuffer = static_cast<char*>(
-            static_cast<void*>((*iBuffer)[i].mMemory->getPointer()));
-        ASSERT_LE((*Info)[frameID].bytesCount,
-                  static_cast<int>((*iBuffer)[i].mMemory->getSize()));
-        eleStream.read(ipBuffer, (*Info)[frameID].bytesCount);
-        ASSERT_EQ(eleStream.gcount(), (*Info)[frameID].bytesCount);
-        flags = (*Info)[frameID].flags;
-        if (signalEOS && ((frameID == (int)Info->size() - 1) ||
-                          (frameID == (offset + range - 1))))
-            flags |= OMX_BUFFERFLAG_EOS;
-        dispatchInputBuffer(omxNode, iBuffer, i, (*Info)[frameID].bytesCount,
-                            flags, (*Info)[frameID].timestamp);
-        frameID++;
-    }
-
     int timeOut = TIMEOUT_COUNTER_Q;
     bool iQueued, oQueued;
+
     while (1) {
         iQueued = oQueued = false;
         status =
             observer->dequeueMessage(&msg, DEFAULT_TIMEOUT_Q, iBuffer, oBuffer);
-
         // Port Reconfiguration
         if (status == android::hardware::media::omx::V1_0::Status::OK &&
             msg.type == Message::Type::EVENT) {
@@ -645,7 +622,6 @@
         if (frameID == (int)Info->size() || frameID == (offset + range)) break;
 
         // Dispatch input buffer
-        size_t index = 0;
         if ((index = getEmptyBufferID(iBuffer)) < iBuffer->size()) {
             char* ipBuffer = static_cast<char*>(
                 static_cast<void*>((*iBuffer)[index].mMemory->getPointer()));
@@ -654,6 +630,11 @@
             eleStream.read(ipBuffer, (*Info)[frameID].bytesCount);
             ASSERT_EQ(eleStream.gcount(), (*Info)[frameID].bytesCount);
             flags = (*Info)[frameID].flags;
+            // Indicate to omx core that the buffer contains a full frame worth
+            // of data
+            flags |= OMX_BUFFERFLAG_ENDOFFRAME;
+            // Indicate the omx core that this is the last buffer it needs to
+            // process
             if (signalEOS && ((frameID == (int)Info->size() - 1) ||
                               (frameID == (offset + range - 1))))
                 flags |= OMX_BUFFERFLAG_EOS;
@@ -663,10 +644,12 @@
             frameID++;
             iQueued = true;
         }
+        // Dispatch output buffer
         if ((index = getEmptyBufferID(oBuffer)) < oBuffer->size()) {
             dispatchOutputBuffer(omxNode, oBuffer, index, oPortMode);
             oQueued = true;
         }
+        // Reset Counters when either input or output buffer is dispatched
         if (iQueued || oQueued)
             timeOut = TIMEOUT_COUNTER_Q;
         else
diff --git a/media/omx/1.0/vts/functional/video/VtsHalMediaOmxV1_0TargetVideoEncTest.cpp b/media/omx/1.0/vts/functional/video/VtsHalMediaOmxV1_0TargetVideoEncTest.cpp
index 23f051d..74b995b 100644
--- a/media/omx/1.0/vts/functional/video/VtsHalMediaOmxV1_0TargetVideoEncTest.cpp
+++ b/media/omx/1.0/vts/functional/video/VtsHalMediaOmxV1_0TargetVideoEncTest.cpp
@@ -983,58 +983,25 @@
                    sp<CodecProducerListener> listener = nullptr) {
     android::hardware::media::omx::V1_0::Status status;
     Message msg;
-    uint32_t ipCount = 0;
+    uint64_t timestamp = 0;
+    uint32_t flags = 0;
+    int timeOut = TIMEOUT_COUNTER_Q;
+    bool iQueued, oQueued;
 
+    uint32_t ipCount = 0;
     if (ipCount == 0) {
         status = changeFrameRate(omxNode, portIndexOutput, (24U << 16));
         if (status == ::android::hardware::media::omx::V1_0::Status::OK)
             xFramerate = (24U << 16);
     }
-
-    // dispatch output buffers
-    for (size_t i = 0; i < oBuffer->size(); i++) {
-        dispatchOutputBuffer(omxNode, oBuffer, i);
-    }
-    // dispatch input buffers
     int32_t timestampIncr = (int)((float)1000000 / (xFramerate >> 16));
-    // timestamp scale = Nano sec
-    if (inputDataIsMeta) timestampIncr *= 1000;
-    uint64_t timestamp = 0;
-    uint32_t flags = 0;
-    for (size_t i = 0; i < iBuffer->size() && nFrames != 0; i++) {
-        if (inputDataIsMeta) {
-            if (listener->freeBuffers > listener->minUnDequeuedCount) {
-                if (dispatchGraphicBuffer(omxNode, producer, listener, iBuffer,
-                                          portIndexInput, eleStream, timestamp))
-                    break;
-                timestamp += timestampIncr;
-                nFrames--;
-                ipCount++;
-            }
-        } else {
-            char* ipBuffer = static_cast<char*>(
-                static_cast<void*>((*iBuffer)[i].mMemory->getPointer()));
-            ASSERT_LE(bytesCount,
-                      static_cast<int>((*iBuffer)[i].mMemory->getSize()));
-            if (fillByteBuffer(omxNode, ipBuffer, portIndexInput, eleStream))
-                break;
-            if (signalEOS && (nFrames == 1)) flags = OMX_BUFFERFLAG_EOS;
-            dispatchInputBuffer(omxNode, iBuffer, i, bytesCount, flags,
-                                timestamp);
-            if (timestampUslist) timestampUslist->push_back(timestamp);
-            timestamp += timestampIncr;
-            nFrames--;
-            ipCount++;
-        }
-    }
+    if (inputDataIsMeta) timestampIncr *= 1000;  // timestamp scale: Nano sec
 
-    int timeOut = TIMEOUT_COUNTER_Q;
-    bool iQueued, oQueued;
     while (1) {
         iQueued = oQueued = false;
         status =
             observer->dequeueMessage(&msg, DEFAULT_TIMEOUT_Q, iBuffer, oBuffer);
-
+        // Port Reconfiguration
         if (status == android::hardware::media::omx::V1_0::Status::OK) {
             ASSERT_EQ(msg.type, Message::Type::EVENT);
             if (msg.data.eventData.event == OMX_EventPortSettingsChanged) {
@@ -1076,7 +1043,8 @@
                 if (fillByteBuffer(omxNode, ipBuffer, portIndexInput,
                                    eleStream))
                     break;
-                if (signalEOS && (nFrames == 1)) flags = OMX_BUFFERFLAG_EOS;
+                flags = OMX_BUFFERFLAG_ENDOFFRAME;
+                if (signalEOS && (nFrames == 1)) flags |= OMX_BUFFERFLAG_EOS;
                 dispatchInputBuffer(omxNode, iBuffer, index, bytesCount, flags,
                                     timestamp);
                 if (timestampUslist) timestampUslist->push_back(timestamp);
@@ -1086,10 +1054,12 @@
                 iQueued = true;
             }
         }
+        // Dispatch output buffer
         if ((index = getEmptyBufferID(oBuffer)) < oBuffer->size()) {
             dispatchOutputBuffer(omxNode, oBuffer, index);
             oQueued = true;
         }
+        // Reset Counters when either input or output buffer is dispatched
         if (iQueued || oQueued)
             timeOut = TIMEOUT_COUNTER_Q;
         else
@@ -1098,6 +1068,7 @@
             EXPECT_TRUE(false) << "Wait on Input/Output is found indefinite";
             break;
         }
+        // Runtime Param Configuration
         if (ipCount == 15) {
             changeBitrate(omxNode, portIndexOutput, 768000);
             requestIDR(omxNode, portIndexOutput);