diff --git a/include/media/IOMX.h b/include/media/IOMX.h
index 6643736..3db2c38 100644
--- a/include/media/IOMX.h
+++ b/include/media/IOMX.h
@@ -143,6 +143,7 @@
         INTERNAL_OPTION_SUSPEND,  // data is a bool
         INTERNAL_OPTION_REPEAT_PREVIOUS_FRAME_DELAY,  // data is an int64_t
         INTERNAL_OPTION_MAX_TIMESTAMP_GAP, // data is int64_t
+        INTERNAL_OPTION_START_TIME, // data is an int64_t
     };
     virtual status_t setInternalOption(
             node_id node,
diff --git a/include/media/mediarecorder.h b/include/media/mediarecorder.h
index 88a42a0..142cb90 100644
--- a/include/media/mediarecorder.h
+++ b/include/media/mediarecorder.h
@@ -39,7 +39,7 @@
 enum video_source {
     VIDEO_SOURCE_DEFAULT = 0,
     VIDEO_SOURCE_CAMERA = 1,
-    VIDEO_SOURCE_GRALLOC_BUFFER = 2,
+    VIDEO_SOURCE_SURFACE = 2,
 
     VIDEO_SOURCE_LIST_END  // must be last - used to validate audio source type
 };
diff --git a/include/media/stagefright/ACodec.h b/include/media/stagefright/ACodec.h
index 7ba5acc..e284109 100644
--- a/include/media/stagefright/ACodec.h
+++ b/include/media/stagefright/ACodec.h
@@ -207,6 +207,8 @@
     int64_t mRepeatFrameDelayUs;
     int64_t mMaxPtsGapUs;
 
+    bool mCreateInputBuffersSuspended;
+
     status_t setCyclicIntraMacroblockRefresh(const sp<AMessage> &msg, int32_t mode);
     status_t allocateBuffersOnPort(OMX_U32 portIndex);
     status_t freeBuffersOnPort(OMX_U32 portIndex);
diff --git a/include/media/stagefright/MediaCodecSource.h b/include/media/stagefright/MediaCodecSource.h
new file mode 100644
index 0000000..4b18a0b
--- /dev/null
+++ b/include/media/stagefright/MediaCodecSource.h
@@ -0,0 +1,134 @@
+/*
+ * Copyright (C) 2014 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef MediaCodecSource_H_
+#define MediaCodecSource_H_
+
+#include <media/stagefright/foundation/ABase.h>
+#include <media/stagefright/foundation/AHandlerReflector.h>
+#include <media/stagefright/MediaSource.h>
+
+namespace android {
+
+class ALooper;
+class AMessage;
+class IGraphicBufferProducer;
+class MediaCodec;
+class MetaData;
+
+struct MediaCodecSource : public MediaSource,
+                          public MediaBufferObserver {
+    enum FlagBits {
+        FLAG_USE_SURFACE_INPUT      = 1,
+        FLAG_USE_METADATA_INPUT     = 2,
+    };
+
+    static sp<MediaCodecSource> Create(
+            const sp<ALooper> &looper,
+            const sp<AMessage> &format,
+            const sp<MediaSource> &source,
+            uint32_t flags = 0);
+
+    bool isVideo() const { return mIsVideo; }
+    sp<IGraphicBufferProducer> getGraphicBufferProducer();
+
+    // MediaSource
+    virtual status_t start(MetaData *params = NULL);
+    virtual status_t stop();
+    virtual status_t pause();
+    virtual sp<MetaData> getFormat() { return mMeta; }
+    virtual status_t read(
+            MediaBuffer **buffer,
+            const ReadOptions *options = NULL);
+
+    // MediaBufferObserver
+    virtual void signalBufferReturned(MediaBuffer *buffer);
+
+    // for AHandlerReflector
+    void onMessageReceived(const sp<AMessage> &msg);
+
+protected:
+    virtual ~MediaCodecSource();
+
+private:
+    struct Puller;
+
+    enum {
+        kWhatPullerNotify,
+        kWhatEncoderActivity,
+        kWhatStart,
+        kWhatStop,
+        kWhatPause,
+    };
+
+    MediaCodecSource(
+            const sp<ALooper> &looper,
+            const sp<AMessage> &outputFormat,
+            const sp<MediaSource> &source,
+            uint32_t flags = 0);
+
+    status_t onStart(MetaData *params);
+    status_t init();
+    status_t initEncoder();
+    void releaseEncoder();
+    status_t feedEncoderInputBuffers();
+    void scheduleDoMoreWork();
+    status_t doMoreWork();
+    void suspend();
+    void resume(int64_t skipFramesBeforeUs = -1ll);
+    void signalEOS(status_t err = ERROR_END_OF_STREAM);
+    bool reachedEOS();
+    status_t postSynchronouslyAndReturnError(const sp<AMessage> &msg);
+
+    sp<ALooper> mLooper;
+    sp<ALooper> mCodecLooper;
+    sp<AHandlerReflector<MediaCodecSource> > mReflector;
+    sp<AMessage> mOutputFormat;
+    sp<MetaData> mMeta;
+    sp<Puller> mPuller;
+    sp<MediaCodec> mEncoder;
+    uint32_t mFlags;
+    List<uint32_t> mStopReplyIDQueue;
+    bool mIsVideo;
+    bool mStarted;
+    bool mStopping;
+    bool mDoMoreWorkPending;
+    bool mPullerReachedEOS;
+    sp<AMessage> mEncoderActivityNotify;
+    sp<IGraphicBufferProducer> mGraphicBufferProducer;
+    Vector<sp<ABuffer> > mEncoderInputBuffers;
+    Vector<sp<ABuffer> > mEncoderOutputBuffers;
+    List<MediaBuffer *> mInputBufferQueue;
+    List<size_t> mAvailEncoderInputIndices;
+    List<int64_t> mDecodingTimeQueue; // decoding time (us) for video
+
+    // audio drift time
+    int64_t mFirstSampleTimeUs;
+    List<int64_t> mDriftTimeQueue;
+
+    // following variables are protected by mOutputBufferLock
+    Mutex mOutputBufferLock;
+    Condition mOutputBufferCond;
+    List<MediaBuffer*> mOutputBufferQueue;
+    bool mEncodedReachedEOS;
+    status_t mErrorCode;
+
+    DISALLOW_EVIL_CONSTRUCTORS(MediaCodecSource);
+};
+
+} // namespace android
+
+#endif /* MediaCodecSource_H_ */
diff --git a/media/libmediaplayerservice/StagefrightRecorder.cpp b/media/libmediaplayerservice/StagefrightRecorder.cpp
index 78dad19..1ee0ee4 100644
--- a/media/libmediaplayerservice/StagefrightRecorder.cpp
+++ b/media/libmediaplayerservice/StagefrightRecorder.cpp
@@ -24,8 +24,10 @@
 #include <binder/IServiceManager.h>
 
 #include <media/IMediaPlayerService.h>
-#include <media/openmax/OMX_Audio.h>
+#include <media/stagefright/foundation/ABuffer.h>
 #include <media/stagefright/foundation/ADebug.h>
+#include <media/stagefright/foundation/AMessage.h>
+#include <media/stagefright/foundation/ALooper.h>
 #include <media/stagefright/AudioSource.h>
 #include <media/stagefright/AMRWriter.h>
 #include <media/stagefright/AACWriter.h>
@@ -35,13 +37,12 @@
 #include <media/stagefright/MPEG4Writer.h>
 #include <media/stagefright/MediaDefs.h>
 #include <media/stagefright/MetaData.h>
+#include <media/stagefright/MediaCodecSource.h>
 #include <media/stagefright/OMXClient.h>
 #include <media/stagefright/OMXCodec.h>
-#include <media/stagefright/SurfaceMediaSource.h>
 #include <media/MediaProfiles.h>
 #include <camera/ICamera.h>
 #include <camera/CameraParameters.h>
-#include <gui/Surface.h>
 
 #include <utils/Errors.h>
 #include <sys/types.h>
@@ -71,8 +72,7 @@
       mAudioSource(AUDIO_SOURCE_CNT),
       mVideoSource(VIDEO_SOURCE_LIST_END),
       mCaptureTimeLapse(false),
-      mStarted(false),
-      mSurfaceMediaSource(NULL) {
+      mStarted(false) {
 
     ALOGV("Constructor");
     reset();
@@ -81,10 +81,19 @@
 StagefrightRecorder::~StagefrightRecorder() {
     ALOGV("Destructor");
     stop();
+
+    if (mLooper != NULL) {
+        mLooper->stop();
+    }
 }
 
 status_t StagefrightRecorder::init() {
     ALOGV("init");
+
+    mLooper = new ALooper;
+    mLooper->setName("recorder_looper");
+    mLooper->start();
+
     return OK;
 }
 
@@ -93,7 +102,7 @@
 // while encoding GL Frames
 sp<IGraphicBufferProducer> StagefrightRecorder::querySurfaceMediaSource() const {
     ALOGV("Get SurfaceMediaSource");
-    return mSurfaceMediaSource->getBufferQueue();
+    return mGraphicBufferProducer;
 }
 
 status_t StagefrightRecorder::setAudioSource(audio_source_t as) {
@@ -739,15 +748,61 @@
 }
 
 status_t StagefrightRecorder::prepare() {
-    return OK;
-}
-
-status_t StagefrightRecorder::start() {
-    CHECK_GE(mOutputFd, 0);
+    ALOGV("prepare");
+    if (mOutputFd < 0) {
+        ALOGE("Output file descriptor is invalid");
+        return INVALID_OPERATION;
+    }
 
     // Get UID here for permission checking
     mClientUid = IPCThreadState::self()->getCallingUid();
-    if (mWriter != NULL) {
+
+    status_t status = OK;
+
+    switch (mOutputFormat) {
+        case OUTPUT_FORMAT_DEFAULT:
+        case OUTPUT_FORMAT_THREE_GPP:
+        case OUTPUT_FORMAT_MPEG_4:
+            status = setupMPEG4Recording();
+            break;
+
+        case OUTPUT_FORMAT_AMR_NB:
+        case OUTPUT_FORMAT_AMR_WB:
+            status = setupAMRRecording();
+            break;
+
+        case OUTPUT_FORMAT_AAC_ADIF:
+        case OUTPUT_FORMAT_AAC_ADTS:
+            status = setupAACRecording();
+            break;
+
+        case OUTPUT_FORMAT_RTP_AVP:
+            status = setupRTPRecording();
+            break;
+
+        case OUTPUT_FORMAT_MPEG2TS:
+            status = setupMPEG2TSRecording();
+            break;
+
+        default:
+            ALOGE("Unsupported output file format: %d", mOutputFormat);
+            status = UNKNOWN_ERROR;
+            break;
+    }
+
+    return status;
+}
+
+status_t StagefrightRecorder::start() {
+    ALOGV("start");
+    if (mOutputFd < 0) {
+        ALOGE("Output file descriptor is invalid");
+        return INVALID_OPERATION;
+    }
+
+    // Get UID here for permission checking
+    mClientUid = IPCThreadState::self()->getCallingUid();
+    if (mWriter == NULL) {
         ALOGE("File writer is not avaialble");
         return UNKNOWN_ERROR;
     }
@@ -758,31 +813,35 @@
         case OUTPUT_FORMAT_DEFAULT:
         case OUTPUT_FORMAT_THREE_GPP:
         case OUTPUT_FORMAT_MPEG_4:
-            status = startMPEG4Recording();
+        {
+            sp<MetaData> meta = new MetaData;
+            setupMPEG4MetaData(&meta);
+            status = mWriter->start(meta.get());
             break;
+        }
 
         case OUTPUT_FORMAT_AMR_NB:
         case OUTPUT_FORMAT_AMR_WB:
-            status = startAMRRecording();
-            break;
-
         case OUTPUT_FORMAT_AAC_ADIF:
         case OUTPUT_FORMAT_AAC_ADTS:
-            status = startAACRecording();
-            break;
-
         case OUTPUT_FORMAT_RTP_AVP:
-            status = startRTPRecording();
-            break;
-
         case OUTPUT_FORMAT_MPEG2TS:
-            status = startMPEG2TSRecording();
+        {
+            status = mWriter->start();
             break;
+        }
 
         default:
+        {
             ALOGE("Unsupported output file format: %d", mOutputFormat);
             status = UNKNOWN_ERROR;
             break;
+        }
+    }
+
+    if (status != OK) {
+        mWriter.clear();
+        mWriter = NULL;
     }
 
     if ((status == OK) && (!mStarted)) {
@@ -816,58 +875,54 @@
         return NULL;
     }
 
-    sp<MetaData> encMeta = new MetaData;
+    sp<AMessage> format = new AMessage;
     const char *mime;
     switch (mAudioEncoder) {
         case AUDIO_ENCODER_AMR_NB:
         case AUDIO_ENCODER_DEFAULT:
-            mime = MEDIA_MIMETYPE_AUDIO_AMR_NB;
+            format->setString("mime", MEDIA_MIMETYPE_AUDIO_AMR_NB);
             break;
         case AUDIO_ENCODER_AMR_WB:
-            mime = MEDIA_MIMETYPE_AUDIO_AMR_WB;
+            format->setString("mime", MEDIA_MIMETYPE_AUDIO_AMR_WB);
             break;
         case AUDIO_ENCODER_AAC:
-            mime = MEDIA_MIMETYPE_AUDIO_AAC;
-            encMeta->setInt32(kKeyAACProfile, OMX_AUDIO_AACObjectLC);
+            format->setString("mime", MEDIA_MIMETYPE_AUDIO_AAC);
+            format->setInt32("aac-profile", OMX_AUDIO_AACObjectLC);
             break;
         case AUDIO_ENCODER_HE_AAC:
-            mime = MEDIA_MIMETYPE_AUDIO_AAC;
-            encMeta->setInt32(kKeyAACProfile, OMX_AUDIO_AACObjectHE);
+            format->setString("mime", MEDIA_MIMETYPE_AUDIO_AAC);
+            format->setInt32("aac-profile", OMX_AUDIO_AACObjectHE);
             break;
         case AUDIO_ENCODER_AAC_ELD:
-            mime = MEDIA_MIMETYPE_AUDIO_AAC;
-            encMeta->setInt32(kKeyAACProfile, OMX_AUDIO_AACObjectELD);
+            format->setString("mime", MEDIA_MIMETYPE_AUDIO_AAC);
+            format->setInt32("aac-profile", OMX_AUDIO_AACObjectELD);
             break;
 
         default:
             ALOGE("Unknown audio encoder: %d", mAudioEncoder);
             return NULL;
     }
-    encMeta->setCString(kKeyMIMEType, mime);
 
     int32_t maxInputSize;
     CHECK(audioSource->getFormat()->findInt32(
                 kKeyMaxInputSize, &maxInputSize));
 
-    encMeta->setInt32(kKeyMaxInputSize, maxInputSize);
-    encMeta->setInt32(kKeyChannelCount, mAudioChannels);
-    encMeta->setInt32(kKeySampleRate, mSampleRate);
-    encMeta->setInt32(kKeyBitRate, mAudioBitRate);
+    format->setInt32("max-input-size", maxInputSize);
+    format->setInt32("channel-count", mAudioChannels);
+    format->setInt32("sample-rate", mSampleRate);
+    format->setInt32("bitrate", mAudioBitRate);
     if (mAudioTimeScale > 0) {
-        encMeta->setInt32(kKeyTimeScale, mAudioTimeScale);
+        format->setInt32("time-scale", mAudioTimeScale);
     }
 
-    OMXClient client;
-    CHECK_EQ(client.connect(), (status_t)OK);
     sp<MediaSource> audioEncoder =
-        OMXCodec::Create(client.interface(), encMeta,
-                         true /* createEncoder */, audioSource);
+            MediaCodecSource::Create(mLooper, format, audioSource);
     mAudioSourceNode = audioSource;
 
     return audioEncoder;
 }
 
-status_t StagefrightRecorder::startAACRecording() {
+status_t StagefrightRecorder::setupAACRecording() {
     // FIXME:
     // Add support for OUTPUT_FORMAT_AAC_ADIF
     CHECK_EQ(mOutputFormat, OUTPUT_FORMAT_AAC_ADTS);
@@ -878,16 +933,10 @@
     CHECK(mAudioSource != AUDIO_SOURCE_CNT);
 
     mWriter = new AACWriter(mOutputFd);
-    status_t status = startRawAudioRecording();
-    if (status != OK) {
-        mWriter.clear();
-        mWriter = NULL;
-    }
-
-    return status;
+    return setupRawAudioRecording();
 }
 
-status_t StagefrightRecorder::startAMRRecording() {
+status_t StagefrightRecorder::setupAMRRecording() {
     CHECK(mOutputFormat == OUTPUT_FORMAT_AMR_NB ||
           mOutputFormat == OUTPUT_FORMAT_AMR_WB);
 
@@ -907,15 +956,10 @@
     }
 
     mWriter = new AMRWriter(mOutputFd);
-    status_t status = startRawAudioRecording();
-    if (status != OK) {
-        mWriter.clear();
-        mWriter = NULL;
-    }
-    return status;
+    return setupRawAudioRecording();
 }
 
-status_t StagefrightRecorder::startRawAudioRecording() {
+status_t StagefrightRecorder::setupRawAudioRecording() {
     if (mAudioSource >= AUDIO_SOURCE_CNT) {
         ALOGE("Invalid audio source: %d", mAudioSource);
         return BAD_VALUE;
@@ -941,12 +985,11 @@
         mWriter->setMaxFileSize(mMaxFileSizeBytes);
     }
     mWriter->setListener(mListener);
-    mWriter->start();
 
     return OK;
 }
 
-status_t StagefrightRecorder::startRTPRecording() {
+status_t StagefrightRecorder::setupRTPRecording() {
     CHECK_EQ(mOutputFormat, OUTPUT_FORMAT_RTP_AVP);
 
     if ((mAudioSource != AUDIO_SOURCE_CNT
@@ -983,10 +1026,10 @@
     mWriter->addSource(source);
     mWriter->setListener(mListener);
 
-    return mWriter->start();
+    return OK;
 }
 
-status_t StagefrightRecorder::startMPEG2TSRecording() {
+status_t StagefrightRecorder::setupMPEG2TSRecording() {
     CHECK_EQ(mOutputFormat, OUTPUT_FORMAT_MPEG2TS);
 
     sp<MediaWriter> writer = new MPEG2TSWriter(mOutputFd);
@@ -1036,7 +1079,7 @@
 
     mWriter = writer;
 
-    return mWriter->start();
+    return OK;
 }
 
 void StagefrightRecorder::clipVideoFrameRate() {
@@ -1277,49 +1320,14 @@
             return err;
         }
         *mediaSource = cameraSource;
-    } else if (mVideoSource == VIDEO_SOURCE_GRALLOC_BUFFER) {
-        // If using GRAlloc buffers, setup surfacemediasource.
-        // Later a handle to that will be passed
-        // to the client side when queried
-        status_t err = setupSurfaceMediaSource();
-        if (err != OK) {
-            return err;
-        }
-        *mediaSource = mSurfaceMediaSource;
+    } else if (mVideoSource == VIDEO_SOURCE_SURFACE) {
+        *mediaSource = NULL;
     } else {
         return INVALID_OPERATION;
     }
     return OK;
 }
 
-// setupSurfaceMediaSource creates a source with the given
-// width and height and framerate.
-// TODO: This could go in a static function inside SurfaceMediaSource
-// similar to that in CameraSource
-status_t StagefrightRecorder::setupSurfaceMediaSource() {
-    status_t err = OK;
-    mSurfaceMediaSource = new SurfaceMediaSource(mVideoWidth, mVideoHeight);
-    if (mSurfaceMediaSource == NULL) {
-        return NO_INIT;
-    }
-
-    if (mFrameRate == -1) {
-        int32_t frameRate = 0;
-        CHECK (mSurfaceMediaSource->getFormat()->findInt32(
-                                        kKeyFrameRate, &frameRate));
-        ALOGI("Frame rate is not explicitly set. Use the current frame "
-             "rate (%d fps)", frameRate);
-        mFrameRate = frameRate;
-    } else {
-        err = mSurfaceMediaSource->setFrameRate(mFrameRate);
-    }
-    CHECK(mFrameRate != -1);
-
-    mIsMetaDataStoredInVideoBuffers =
-        mSurfaceMediaSource->isMetaDataStoredInVideoBuffers();
-    return err;
-}
-
 status_t StagefrightRecorder::setupCameraSource(
         sp<CameraSource> *cameraSource) {
     status_t err = OK;
@@ -1386,21 +1394,19 @@
         sp<MediaSource> *source) {
     source->clear();
 
-    sp<MetaData> enc_meta = new MetaData;
-    enc_meta->setInt32(kKeyBitRate, mVideoBitRate);
-    enc_meta->setInt32(kKeyFrameRate, mFrameRate);
+    sp<AMessage> format = new AMessage();
 
     switch (mVideoEncoder) {
         case VIDEO_ENCODER_H263:
-            enc_meta->setCString(kKeyMIMEType, MEDIA_MIMETYPE_VIDEO_H263);
+            format->setString("mime", MEDIA_MIMETYPE_VIDEO_H263);
             break;
 
         case VIDEO_ENCODER_MPEG_4_SP:
-            enc_meta->setCString(kKeyMIMEType, MEDIA_MIMETYPE_VIDEO_MPEG4);
+            format->setString("mime", MEDIA_MIMETYPE_VIDEO_MPEG4);
             break;
 
         case VIDEO_ENCODER_H264:
-            enc_meta->setCString(kKeyMIMEType, MEDIA_MIMETYPE_VIDEO_AVC);
+            format->setString("mime", MEDIA_MIMETYPE_VIDEO_AVC);
             break;
 
         default:
@@ -1408,59 +1414,69 @@
             break;
     }
 
-    sp<MetaData> meta = cameraSource->getFormat();
+    if (cameraSource != NULL) {
+        sp<MetaData> meta = cameraSource->getFormat();
 
-    int32_t width, height, stride, sliceHeight, colorFormat;
-    CHECK(meta->findInt32(kKeyWidth, &width));
-    CHECK(meta->findInt32(kKeyHeight, &height));
-    CHECK(meta->findInt32(kKeyStride, &stride));
-    CHECK(meta->findInt32(kKeySliceHeight, &sliceHeight));
-    CHECK(meta->findInt32(kKeyColorFormat, &colorFormat));
+        int32_t width, height, stride, sliceHeight, colorFormat;
+        CHECK(meta->findInt32(kKeyWidth, &width));
+        CHECK(meta->findInt32(kKeyHeight, &height));
+        CHECK(meta->findInt32(kKeyStride, &stride));
+        CHECK(meta->findInt32(kKeySliceHeight, &sliceHeight));
+        CHECK(meta->findInt32(kKeyColorFormat, &colorFormat));
 
-    enc_meta->setInt32(kKeyWidth, width);
-    enc_meta->setInt32(kKeyHeight, height);
-    enc_meta->setInt32(kKeyIFramesInterval, mIFramesIntervalSec);
-    enc_meta->setInt32(kKeyStride, stride);
-    enc_meta->setInt32(kKeySliceHeight, sliceHeight);
-    enc_meta->setInt32(kKeyColorFormat, colorFormat);
+        format->setInt32("width", width);
+        format->setInt32("height", height);
+        format->setInt32("stride", stride);
+        format->setInt32("slice-height", sliceHeight);
+        format->setInt32("color-format", colorFormat);
+    } else {
+        format->setInt32("width", mVideoWidth);
+        format->setInt32("height", mVideoHeight);
+        format->setInt32("stride", mVideoWidth);
+        format->setInt32("slice-height", mVideoWidth);
+        format->setInt32("color-format", OMX_COLOR_FormatAndroidOpaque);
+    }
+
+    format->setInt32("bitrate", mVideoBitRate);
+    format->setInt32("frame-rate", mFrameRate);
+    format->setInt32("i-frame-interval", mIFramesIntervalSec);
+
     if (mVideoTimeScale > 0) {
-        enc_meta->setInt32(kKeyTimeScale, mVideoTimeScale);
+        format->setInt32("time-scale", mVideoTimeScale);
     }
     if (mVideoEncoderProfile != -1) {
-        enc_meta->setInt32(kKeyVideoProfile, mVideoEncoderProfile);
+        format->setInt32("profile", mVideoEncoderProfile);
     }
     if (mVideoEncoderLevel != -1) {
-        enc_meta->setInt32(kKeyVideoLevel, mVideoEncoderLevel);
+        format->setInt32("level", mVideoEncoderLevel);
     }
 
-    OMXClient client;
-    CHECK_EQ(client.connect(), (status_t)OK);
-
-    uint32_t encoder_flags = 0;
+    uint32_t flags = 0;
     if (mIsMetaDataStoredInVideoBuffers) {
-        encoder_flags |= OMXCodec::kStoreMetaDataInVideoBuffers;
+        flags |= MediaCodecSource::FLAG_USE_METADATA_INPUT;
     }
 
-    // Do not wait for all the input buffers to become available.
-    // This give timelapse video recording faster response in
-    // receiving output from video encoder component.
-    if (mCaptureTimeLapse) {
-        encoder_flags |= OMXCodec::kOnlySubmitOneInputBufferAtOneTime;
+    if (cameraSource == NULL) {
+        flags |= MediaCodecSource::FLAG_USE_SURFACE_INPUT;
     }
 
-    sp<MediaSource> encoder = OMXCodec::Create(
-            client.interface(), enc_meta,
-            true /* createEncoder */, cameraSource,
-            NULL, encoder_flags);
+    sp<MediaCodecSource> encoder =
+            MediaCodecSource::Create(mLooper, format, cameraSource, flags);
     if (encoder == NULL) {
         ALOGW("Failed to create the encoder");
         // When the encoder fails to be created, we need
         // release the camera source due to the camera's lock
         // and unlock mechanism.
-        cameraSource->stop();
+        if (cameraSource != NULL) {
+            cameraSource->stop();
+        }
         return UNKNOWN_ERROR;
     }
 
+    if (cameraSource == NULL) {
+        mGraphicBufferProducer = encoder->getGraphicBufferProducer();
+    }
+
     *source = encoder;
 
     return OK;
@@ -1494,9 +1510,10 @@
     return OK;
 }
 
-status_t StagefrightRecorder::setupMPEG4Recording(int32_t *totalBitRate) {
+status_t StagefrightRecorder::setupMPEG4Recording() {
     mWriter.clear();
-    *totalBitRate = 0;
+    mTotalBitRate = 0;
+
     status_t err = OK;
     sp<MediaWriter> writer = new MPEG4Writer(mOutputFd);
 
@@ -1515,7 +1532,7 @@
         }
 
         writer->addSource(encoder);
-        *totalBitRate += mVideoBitRate;
+        mTotalBitRate += mVideoBitRate;
     }
 
     // Audio source is added at the end if it exists.
@@ -1524,7 +1541,7 @@
     if (!mCaptureTimeLapse && (mAudioSource != AUDIO_SOURCE_CNT)) {
         err = setupAudioEncoder(writer);
         if (err != OK) return err;
-        *totalBitRate += mAudioBitRate;
+        mTotalBitRate += mAudioBitRate;
     }
 
     if (mInterleaveDurationUs > 0) {
@@ -1542,7 +1559,13 @@
         writer->setMaxFileSize(mMaxFileSizeBytes);
     }
 
-    mStartTimeOffsetMs = mEncoderProfiles->getStartTimeOffsetMs(mCameraId);
+    if (mVideoSource == VIDEO_SOURCE_DEFAULT
+            || mVideoSource == VIDEO_SOURCE_CAMERA) {
+        mStartTimeOffsetMs = mEncoderProfiles->getStartTimeOffsetMs(mCameraId);
+    } else if (mVideoSource == VIDEO_SOURCE_SURFACE) {
+        // surface source doesn't need large initial delay
+        mStartTimeOffsetMs = 200;
+    }
     if (mStartTimeOffsetMs > 0) {
         reinterpret_cast<MPEG4Writer *>(writer.get())->
             setStartTimeOffsetMs(mStartTimeOffsetMs);
@@ -1553,11 +1576,11 @@
     return OK;
 }
 
-void StagefrightRecorder::setupMPEG4MetaData(int64_t startTimeUs, int32_t totalBitRate,
-        sp<MetaData> *meta) {
+void StagefrightRecorder::setupMPEG4MetaData(sp<MetaData> *meta) {
+    int64_t startTimeUs = systemTime() / 1000;
     (*meta)->setInt64(kKeyTime, startTimeUs);
     (*meta)->setInt32(kKeyFileType, mOutputFormat);
-    (*meta)->setInt32(kKeyBitRate, totalBitRate);
+    (*meta)->setInt32(kKeyBitRate, mTotalBitRate);
     (*meta)->setInt32(kKey64BitFileOffset, mUse64BitFileOffset);
     if (mMovieTimeScale > 0) {
         (*meta)->setInt32(kKeyTimeScale, mMovieTimeScale);
@@ -1570,25 +1593,6 @@
     }
 }
 
-status_t StagefrightRecorder::startMPEG4Recording() {
-    int32_t totalBitRate;
-    status_t err = setupMPEG4Recording(&totalBitRate);
-    if (err != OK) {
-        return err;
-    }
-
-    int64_t startTimeUs = systemTime() / 1000;
-    sp<MetaData> meta = new MetaData;
-    setupMPEG4MetaData(startTimeUs, totalBitRate, &meta);
-
-    err = mWriter->start(meta.get());
-    if (err != OK) {
-        return err;
-    }
-
-    return OK;
-}
-
 status_t StagefrightRecorder::pause() {
     ALOGV("pause");
     if (mWriter == NULL) {
@@ -1628,6 +1632,8 @@
         mWriter.clear();
     }
 
+    mGraphicBufferProducer.clear();
+
     if (mOutputFd >= 0) {
         ::close(mOutputFd);
         mOutputFd = -1;
@@ -1647,7 +1653,6 @@
         addBatteryData(params);
     }
 
-
     return err;
 }
 
@@ -1699,6 +1704,7 @@
     mRotationDegrees = 0;
     mLatitudex10000 = -3600000;
     mLongitudex10000 = -3600000;
+    mTotalBitRate = 0;
 
     mOutputFd = -1;
 
diff --git a/media/libmediaplayerservice/StagefrightRecorder.h b/media/libmediaplayerservice/StagefrightRecorder.h
index bc43488..7d6abd3 100644
--- a/media/libmediaplayerservice/StagefrightRecorder.h
+++ b/media/libmediaplayerservice/StagefrightRecorder.h
@@ -37,6 +37,7 @@
 class MediaProfiles;
 class IGraphicBufferProducer;
 class SurfaceMediaSource;
+class ALooper;
 
 struct StagefrightRecorder : public MediaRecorderBase {
     StagefrightRecorder();
@@ -106,6 +107,7 @@
     int32_t mLatitudex10000;
     int32_t mLongitudex10000;
     int32_t mStartTimeOffsetMs;
+    int32_t mTotalBitRate;
 
     bool mCaptureTimeLapse;
     int64_t mTimeBetweenTimeLapseFrameCaptureUs;
@@ -122,17 +124,16 @@
     // An <IGraphicBufferProducer> pointer
     // will be sent to the client side using which the
     // frame buffers will be queued and dequeued
-    sp<SurfaceMediaSource> mSurfaceMediaSource;
+    sp<IGraphicBufferProducer> mGraphicBufferProducer;
+    sp<ALooper> mLooper;
 
-    status_t setupMPEG4Recording(int32_t *totalBitRate);
-    void setupMPEG4MetaData(int64_t startTimeUs, int32_t totalBitRate,
-        sp<MetaData> *meta);
-    status_t startMPEG4Recording();
-    status_t startAMRRecording();
-    status_t startAACRecording();
-    status_t startRawAudioRecording();
-    status_t startRTPRecording();
-    status_t startMPEG2TSRecording();
+    status_t setupMPEG4Recording();
+    void setupMPEG4MetaData(sp<MetaData> *meta);
+    status_t setupAMRRecording();
+    status_t setupAACRecording();
+    status_t setupRawAudioRecording();
+    status_t setupRTPRecording();
+    status_t setupMPEG2TSRecording();
     sp<MediaSource> createAudioSource();
     status_t checkVideoEncoderCapabilities(
             bool *supportsCameraSourceMetaDataMode);
@@ -142,9 +143,6 @@
     // depending on the videosource type
     status_t setupMediaSource(sp<MediaSource> *mediaSource);
     status_t setupCameraSource(sp<CameraSource> *cameraSource);
-    // setup the surfacemediasource for the encoder
-    status_t setupSurfaceMediaSource();
-
     status_t setupAudioEncoder(const sp<MediaWriter>& writer);
     status_t setupVideoEncoder(sp<MediaSource> cameraSource, sp<MediaSource> *source);
 
diff --git a/media/libstagefright/ACodec.cpp b/media/libstagefright/ACodec.cpp
index c9f89fc..f2354b4 100644
--- a/media/libstagefright/ACodec.cpp
+++ b/media/libstagefright/ACodec.cpp
@@ -374,7 +374,8 @@
       mStoreMetaDataInOutputBuffers(false),
       mMetaDataBuffersToSubmit(0),
       mRepeatFrameDelayUs(-1ll),
-      mMaxPtsGapUs(-1l) {
+      mMaxPtsGapUs(-1l),
+      mCreateInputBuffersSuspended(false) {
     mUninitializedState = new UninitializedState(this);
     mLoadedState = new LoadedState(this);
     mLoadedToIdleState = new LoadedToIdleState(this);
@@ -1120,6 +1121,12 @@
         if (!msg->findInt64("max-pts-gap-to-encoder", &mMaxPtsGapUs)) {
             mMaxPtsGapUs = -1l;
         }
+
+        if (!msg->findInt32(
+                    "create-input-buffers-suspended",
+                    (int32_t*)&mCreateInputBuffersSuspended)) {
+            mCreateInputBuffersSuspended = false;
+        }
     }
 
     // Always try to enable dynamic output buffers on native surface
@@ -3941,6 +3948,22 @@
 
         if (err != OK) {
             ALOGE("[%s] Unable to configure max timestamp gap (err %d)",
+                    mCodec->mComponentName.c_str(),
+                    err);
+          }
+      }
+
+    if (err == OK && mCodec->mCreateInputBuffersSuspended) {
+        bool suspend = true;
+        err = mCodec->mOMX->setInternalOption(
+                mCodec->mNode,
+                kPortIndexInput,
+                IOMX::INTERNAL_OPTION_SUSPEND,
+                &suspend,
+                sizeof(suspend));
+
+        if (err != OK) {
+            ALOGE("[%s] Unable to configure option to suspend (err %d)",
                   mCodec->mComponentName.c_str(),
                   err);
         }
@@ -4003,6 +4026,7 @@
 
 bool ACodec::LoadedToIdleState::onMessageReceived(const sp<AMessage> &msg) {
     switch (msg->what()) {
+        case kWhatSetParameters:
         case kWhatShutdown:
         {
             mCodec->deferMessage(msg);
@@ -4069,6 +4093,7 @@
 
 bool ACodec::IdleToExecutingState::onMessageReceived(const sp<AMessage> &msg) {
     switch (msg->what()) {
+        case kWhatSetParameters:
         case kWhatShutdown:
         {
             mCodec->deferMessage(msg);
@@ -4338,6 +4363,22 @@
         }
     }
 
+    int64_t skipFramesBeforeUs;
+    if (params->findInt64("skip-frames-before", &skipFramesBeforeUs)) {
+        status_t err =
+            mOMX->setInternalOption(
+                     mNode,
+                     kPortIndexInput,
+                     IOMX::INTERNAL_OPTION_START_TIME,
+                     &skipFramesBeforeUs,
+                     sizeof(skipFramesBeforeUs));
+
+        if (err != OK) {
+            ALOGE("Failed to set parameter 'skip-frames-before' (err %d)", err);
+            return err;
+        }
+    }
+
     int32_t dropInputFrames;
     if (params->findInt32("drop-input-frames", &dropInputFrames)) {
         bool suspend = dropInputFrames != 0;
diff --git a/media/libstagefright/Android.mk b/media/libstagefright/Android.mk
index c6cee5d..bc08718 100644
--- a/media/libstagefright/Android.mk
+++ b/media/libstagefright/Android.mk
@@ -30,6 +30,7 @@
         MediaBufferGroup.cpp              \
         MediaCodec.cpp                    \
         MediaCodecList.cpp                \
+        MediaCodecSource.cpp              \
         MediaDefs.cpp                     \
         MediaExtractor.cpp                \
         http/MediaHTTP.cpp                \
diff --git a/media/libstagefright/MPEG4Writer.cpp b/media/libstagefright/MPEG4Writer.cpp
index b7a4b75..0fa3b2d 100644
--- a/media/libstagefright/MPEG4Writer.cpp
+++ b/media/libstagefright/MPEG4Writer.cpp
@@ -1763,7 +1763,7 @@
 }
 
 status_t MPEG4Writer::Track::stop() {
-    ALOGD("Stopping %s track", mIsAudio? "Audio": "Video");
+    ALOGD("%s track stopping", mIsAudio? "Audio": "Video");
     if (!mStarted) {
         ALOGE("Stop() called but track is not started");
         return ERROR_END_OF_STREAM;
@@ -1774,19 +1774,14 @@
     }
     mDone = true;
 
+    ALOGD("%s track source stopping", mIsAudio? "Audio": "Video");
+    mSource->stop();
+    ALOGD("%s track source stopped", mIsAudio? "Audio": "Video");
+
     void *dummy;
     pthread_join(mThread, &dummy);
-
     status_t err = (status_t) dummy;
 
-    ALOGD("Stopping %s track source", mIsAudio? "Audio": "Video");
-    {
-        status_t status = mSource->stop();
-        if (err == OK && status != OK && status != ERROR_END_OF_STREAM) {
-            err = status;
-        }
-    }
-
     ALOGD("%s track stopped", mIsAudio? "Audio": "Video");
     return err;
 }
diff --git a/media/libstagefright/MediaCodecSource.cpp b/media/libstagefright/MediaCodecSource.cpp
new file mode 100644
index 0000000..2c20d62
--- /dev/null
+++ b/media/libstagefright/MediaCodecSource.cpp
@@ -0,0 +1,881 @@
+/*
+ * Copyright 2014, The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+//#define LOG_NDEBUG 0
+#define LOG_TAG "MediaCodecSource"
+#define DEBUG_DRIFT_TIME 0
+#include <gui/IGraphicBufferProducer.h>
+#include <gui/Surface.h>
+#include <media/ICrypto.h>
+#include <media/stagefright/foundation/ABuffer.h>
+#include <media/stagefright/foundation/ADebug.h>
+#include <media/stagefright/foundation/ALooper.h>
+#include <media/stagefright/foundation/AMessage.h>
+#include <media/stagefright/MediaBuffer.h>
+#include <media/stagefright/MediaCodec.h>
+#include <media/stagefright/MetaData.h>
+#include <media/stagefright/MediaErrors.h>
+#include <media/stagefright/MediaSource.h>
+#include <media/stagefright/MediaCodecSource.h>
+#include <media/stagefright/Utils.h>
+
+namespace android {
+
+static void ReleaseMediaBufferReference(const sp<ABuffer> &accessUnit) {
+    void *mbuf;
+    if (accessUnit->meta()->findPointer("mediaBuffer", &mbuf)
+            && mbuf != NULL) {
+        ALOGV("releasing mbuf %p", mbuf);
+
+        accessUnit->meta()->setPointer("mediaBuffer", NULL);
+
+        static_cast<MediaBuffer *>(mbuf)->release();
+        mbuf = NULL;
+    }
+}
+
+struct MediaCodecSource::Puller : public AHandler {
+    Puller(const sp<MediaSource> &source);
+
+    status_t start(const sp<MetaData> &meta, const sp<AMessage> &notify);
+    void stopAsync();
+
+    void pause();
+    void resume();
+
+protected:
+    virtual void onMessageReceived(const sp<AMessage> &msg);
+    virtual ~Puller();
+
+private:
+    enum {
+        kWhatStart = 'msta',
+        kWhatStop,
+        kWhatPull,
+        kWhatPause,
+        kWhatResume,
+    };
+
+    sp<MediaSource> mSource;
+    sp<AMessage> mNotify;
+    sp<ALooper> mLooper;
+    int32_t mPullGeneration;
+    bool mIsAudio;
+    bool mPaused;
+    bool mReachedEOS;
+
+    status_t postSynchronouslyAndReturnError(const sp<AMessage> &msg);
+    void schedulePull();
+    void handleEOS();
+
+    DISALLOW_EVIL_CONSTRUCTORS(Puller);
+};
+
+MediaCodecSource::Puller::Puller(const sp<MediaSource> &source)
+    : mSource(source),
+      mLooper(new ALooper()),
+      mPullGeneration(0),
+      mIsAudio(false),
+      mPaused(false),
+      mReachedEOS(false) {
+    sp<MetaData> meta = source->getFormat();
+    const char *mime;
+    CHECK(meta->findCString(kKeyMIMEType, &mime));
+
+    mIsAudio = !strncasecmp(mime, "audio/", 6);
+
+    mLooper->setName("pull_looper");
+}
+
+MediaCodecSource::Puller::~Puller() {
+    mLooper->unregisterHandler(id());
+    mLooper->stop();
+}
+
+status_t MediaCodecSource::Puller::postSynchronouslyAndReturnError(
+        const sp<AMessage> &msg) {
+    sp<AMessage> response;
+    status_t err = msg->postAndAwaitResponse(&response);
+
+    if (err != OK) {
+        return err;
+    }
+
+    if (!response->findInt32("err", &err)) {
+        err = OK;
+    }
+
+    return err;
+}
+
+status_t MediaCodecSource::Puller::start(const sp<MetaData> &meta,
+        const sp<AMessage> &notify) {
+    ALOGV("puller (%s) start", mIsAudio ? "audio" : "video");
+    mLooper->start(
+            false /* runOnCallingThread */,
+            false /* canCallJava */,
+            PRIORITY_AUDIO);
+    mLooper->registerHandler(this);
+    mNotify = notify;
+
+    sp<AMessage> msg = new AMessage(kWhatStart, id());
+    msg->setObject("meta", meta);
+    return postSynchronouslyAndReturnError(msg);
+}
+
+void MediaCodecSource::Puller::stopAsync() {
+    ALOGV("puller (%s) stopAsync", mIsAudio ? "audio" : "video");
+    (new AMessage(kWhatStop, id()))->post();
+}
+
+void MediaCodecSource::Puller::pause() {
+    (new AMessage(kWhatPause, id()))->post();
+}
+
+void MediaCodecSource::Puller::resume() {
+    (new AMessage(kWhatResume, id()))->post();
+}
+
+void MediaCodecSource::Puller::schedulePull() {
+    sp<AMessage> msg = new AMessage(kWhatPull, id());
+    msg->setInt32("generation", mPullGeneration);
+    msg->post();
+}
+
+void MediaCodecSource::Puller::handleEOS() {
+    if (!mReachedEOS) {
+        ALOGV("puller (%s) posting EOS", mIsAudio ? "audio" : "video");
+        mReachedEOS = true;
+        sp<AMessage> notify = mNotify->dup();
+        notify->setPointer("accessUnit", NULL);
+        notify->post();
+    }
+}
+
+void MediaCodecSource::Puller::onMessageReceived(const sp<AMessage> &msg) {
+    switch (msg->what()) {
+        case kWhatStart:
+        {
+            sp<RefBase> obj;
+            CHECK(msg->findObject("meta", &obj));
+
+            mReachedEOS = false;
+
+            status_t err = mSource->start(static_cast<MetaData *>(obj.get()));
+
+            if (err == OK) {
+                schedulePull();
+            }
+
+            sp<AMessage> response = new AMessage;
+            response->setInt32("err", err);
+
+            uint32_t replyID;
+            CHECK(msg->senderAwaitsResponse(&replyID));
+            response->postReply(replyID);
+            break;
+        }
+
+        case kWhatStop:
+        {
+            ALOGV("source (%s) stopping", mIsAudio ? "audio" : "video");
+            mSource->stop();
+            ALOGV("source (%s) stopped", mIsAudio ? "audio" : "video");
+            ++mPullGeneration;
+
+            handleEOS();
+            break;
+        }
+
+        case kWhatPull:
+        {
+            int32_t generation;
+            CHECK(msg->findInt32("generation", &generation));
+
+            if (generation != mPullGeneration) {
+                break;
+            }
+
+            MediaBuffer *mbuf;
+            status_t err = mSource->read(&mbuf);
+
+            if (mPaused) {
+                if (err == OK) {
+                    mbuf->release();
+                    mbuf = NULL;
+                }
+
+                msg->post();
+                break;
+            }
+
+            if (err != OK) {
+                if (err == ERROR_END_OF_STREAM) {
+                    ALOGV("stream ended, mbuf %p", mbuf);
+                } else {
+                    ALOGE("error %d reading stream.", err);
+                }
+                handleEOS();
+            } else {
+                sp<AMessage> notify = mNotify->dup();
+
+                notify->setPointer("accessUnit", mbuf);
+                notify->post();
+
+                msg->post();
+            }
+            break;
+        }
+
+        case kWhatPause:
+        {
+            mPaused = true;
+            break;
+        }
+
+        case kWhatResume:
+        {
+            mPaused = false;
+            break;
+        }
+
+        default:
+            TRESPASS();
+    }
+}
+
+// static
+sp<MediaCodecSource> MediaCodecSource::Create(
+        const sp<ALooper> &looper,
+        const sp<AMessage> &format,
+        const sp<MediaSource> &source,
+        uint32_t flags) {
+    sp<MediaCodecSource> mediaSource =
+            new MediaCodecSource(looper, format, source, flags);
+
+    if (mediaSource->init() == OK) {
+        return mediaSource;
+    }
+    return NULL;
+}
+
+status_t MediaCodecSource::start(MetaData* params) {
+    sp<AMessage> msg = new AMessage(kWhatStart, mReflector->id());
+    msg->setObject("meta", params);
+    return postSynchronouslyAndReturnError(msg);
+}
+
+status_t MediaCodecSource::stop() {
+    sp<AMessage> msg = new AMessage(kWhatStop, mReflector->id());
+    return postSynchronouslyAndReturnError(msg);
+}
+
+status_t MediaCodecSource::pause() {
+    (new AMessage(kWhatPause, mReflector->id()))->post();
+    return OK;
+}
+
+sp<IGraphicBufferProducer> MediaCodecSource::getGraphicBufferProducer() {
+    CHECK(mFlags & FLAG_USE_SURFACE_INPUT);
+    return mGraphicBufferProducer;
+}
+
+status_t MediaCodecSource::read(MediaBuffer** buffer,
+        const ReadOptions* options) {
+    Mutex::Autolock autolock(mOutputBufferLock);
+
+    *buffer = NULL;
+    while (mOutputBufferQueue.size() == 0 && !mEncodedReachedEOS) {
+        mOutputBufferCond.wait(mOutputBufferLock);
+    }
+    if (!mEncodedReachedEOS) {
+        *buffer = *mOutputBufferQueue.begin();
+        mOutputBufferQueue.erase(mOutputBufferQueue.begin());
+        return OK;
+    }
+    return mErrorCode;
+}
+
+void MediaCodecSource::signalBufferReturned(MediaBuffer *buffer) {
+    buffer->setObserver(0);
+    buffer->release();
+}
+
+MediaCodecSource::MediaCodecSource(
+        const sp<ALooper> &looper,
+        const sp<AMessage> &outputFormat,
+        const sp<MediaSource> &source,
+        uint32_t flags)
+    : mLooper(looper),
+      mOutputFormat(outputFormat),
+      mMeta(new MetaData),
+      mFlags(flags),
+      mIsVideo(false),
+      mStarted(false),
+      mStopping(false),
+      mDoMoreWorkPending(false),
+      mPullerReachedEOS(false),
+      mFirstSampleTimeUs(-1ll),
+      mEncodedReachedEOS(false),
+      mErrorCode(OK) {
+    CHECK(mLooper != NULL);
+
+    AString mime;
+    CHECK(mOutputFormat->findString("mime", &mime));
+
+    if (!strncasecmp("video/", mime.c_str(), 6)) {
+        mIsVideo = true;
+    }
+
+    if (!(mFlags & FLAG_USE_SURFACE_INPUT)) {
+        mPuller = new Puller(source);
+    }
+}
+
+MediaCodecSource::~MediaCodecSource() {
+    releaseEncoder();
+
+    mCodecLooper->stop();
+    mLooper->unregisterHandler(mReflector->id());
+}
+
+status_t MediaCodecSource::init() {
+    status_t err = initEncoder();
+
+    if (err != OK) {
+        releaseEncoder();
+    }
+
+    return err;
+}
+
+status_t MediaCodecSource::initEncoder() {
+    mReflector = new AHandlerReflector<MediaCodecSource>(this);
+    mLooper->registerHandler(mReflector);
+
+    mCodecLooper = new ALooper;
+    mCodecLooper->setName("codec_looper");
+    mCodecLooper->start();
+
+    if (mFlags & FLAG_USE_METADATA_INPUT) {
+        mOutputFormat->setInt32("store-metadata-in-buffers", 1);
+    }
+
+    if (mFlags & FLAG_USE_SURFACE_INPUT) {
+        mOutputFormat->setInt32("create-input-buffers-suspended", 1);
+    }
+
+    AString outputMIME;
+    CHECK(mOutputFormat->findString("mime", &outputMIME));
+
+    mEncoder = MediaCodec::CreateByType(
+            mCodecLooper, outputMIME.c_str(), true /* encoder */);
+
+    if (mEncoder == NULL) {
+        return NO_INIT;
+    }
+
+    ALOGV("output format is '%s'", mOutputFormat->debugString(0).c_str());
+
+    status_t err = mEncoder->configure(
+                mOutputFormat,
+                NULL /* nativeWindow */,
+                NULL /* crypto */,
+                MediaCodec::CONFIGURE_FLAG_ENCODE);
+
+    if (err != OK) {
+        return err;
+    }
+
+    mEncoder->getOutputFormat(&mOutputFormat);
+    convertMessageToMetaData(mOutputFormat, mMeta);
+
+    if (mFlags & FLAG_USE_SURFACE_INPUT) {
+        CHECK(mIsVideo);
+
+        err = mEncoder->createInputSurface(&mGraphicBufferProducer);
+
+        if (err != OK) {
+            return err;
+        }
+    }
+
+    err = mEncoder->start();
+
+    if (err != OK) {
+        return err;
+    }
+
+    err = mEncoder->getInputBuffers(&mEncoderInputBuffers);
+
+    if (err != OK) {
+        return err;
+    }
+
+    err = mEncoder->getOutputBuffers(&mEncoderOutputBuffers);
+
+    if (err != OK) {
+        return err;
+    }
+
+    mEncodedReachedEOS = false;
+    mErrorCode = OK;
+
+    return OK;
+}
+
+void MediaCodecSource::releaseEncoder() {
+    if (mEncoder == NULL) {
+        return;
+    }
+
+    mEncoder->release();
+    mEncoder.clear();
+
+    while (!mInputBufferQueue.empty()) {
+        MediaBuffer *mbuf = *mInputBufferQueue.begin();
+        mInputBufferQueue.erase(mInputBufferQueue.begin());
+        if (mbuf != NULL) {
+            mbuf->release();
+        }
+    }
+
+    for (size_t i = 0; i < mEncoderInputBuffers.size(); ++i) {
+        sp<ABuffer> accessUnit = mEncoderInputBuffers.itemAt(i);
+        ReleaseMediaBufferReference(accessUnit);
+    }
+
+    mEncoderInputBuffers.clear();
+    mEncoderOutputBuffers.clear();
+}
+
+bool MediaCodecSource::reachedEOS() {
+    return mEncodedReachedEOS && ((mPuller == NULL) || mPullerReachedEOS);
+}
+
+status_t MediaCodecSource::postSynchronouslyAndReturnError(
+        const sp<AMessage> &msg) {
+    sp<AMessage> response;
+    status_t err = msg->postAndAwaitResponse(&response);
+
+    if (err != OK) {
+        return err;
+    }
+
+    if (!response->findInt32("err", &err)) {
+        err = OK;
+    }
+
+    return err;
+}
+
+void MediaCodecSource::signalEOS(status_t err) {
+    if (!mEncodedReachedEOS) {
+        ALOGI("encoder (%s) reached EOS", mIsVideo ? "video" : "audio");
+        {
+            Mutex::Autolock autoLock(mOutputBufferLock);
+            // release all unread media buffers
+            for (List<MediaBuffer*>::iterator it = mOutputBufferQueue.begin();
+                    it != mOutputBufferQueue.end(); it++) {
+                (*it)->release();
+            }
+            mOutputBufferQueue.clear();
+            mEncodedReachedEOS = true;
+            mErrorCode = err;
+            mOutputBufferCond.signal();
+        }
+
+        releaseEncoder();
+    }
+    if (mStopping && reachedEOS()) {
+        ALOGI("MediaCodecSource (%s) fully stopped",
+                mIsVideo ? "video" : "audio");
+        // posting reply to everyone that's waiting
+        List<uint32_t>::iterator it;
+        for (it = mStopReplyIDQueue.begin();
+                it != mStopReplyIDQueue.end(); it++) {
+            (new AMessage)->postReply(*it);
+        }
+        mStopReplyIDQueue.clear();
+        mStopping = false;
+    }
+}
+
+void MediaCodecSource::suspend() {
+    CHECK(mFlags & FLAG_USE_SURFACE_INPUT);
+    if (mEncoder != NULL) {
+        sp<AMessage> params = new AMessage;
+        params->setInt32("drop-input-frames", true);
+        mEncoder->setParameters(params);
+    }
+}
+
+void MediaCodecSource::resume(int64_t skipFramesBeforeUs) {
+    CHECK(mFlags & FLAG_USE_SURFACE_INPUT);
+    if (mEncoder != NULL) {
+        sp<AMessage> params = new AMessage;
+        params->setInt32("drop-input-frames", false);
+        if (skipFramesBeforeUs > 0) {
+            params->setInt64("skip-frames-before", skipFramesBeforeUs);
+        }
+        mEncoder->setParameters(params);
+    }
+}
+
+void MediaCodecSource::scheduleDoMoreWork() {
+    if (mDoMoreWorkPending) {
+        return;
+    }
+
+    mDoMoreWorkPending = true;
+
+    if (mEncoderActivityNotify == NULL) {
+        mEncoderActivityNotify = new AMessage(
+                kWhatEncoderActivity, mReflector->id());
+    }
+    mEncoder->requestActivityNotification(mEncoderActivityNotify);
+}
+
+status_t MediaCodecSource::feedEncoderInputBuffers() {
+    while (!mInputBufferQueue.empty()
+            && !mAvailEncoderInputIndices.empty()) {
+        MediaBuffer* mbuf = *mInputBufferQueue.begin();
+        mInputBufferQueue.erase(mInputBufferQueue.begin());
+
+        size_t bufferIndex = *mAvailEncoderInputIndices.begin();
+        mAvailEncoderInputIndices.erase(mAvailEncoderInputIndices.begin());
+
+        int64_t timeUs = 0ll;
+        uint32_t flags = 0;
+        size_t size = 0;
+
+        if (mbuf != NULL) {
+            CHECK(mbuf->meta_data()->findInt64(kKeyTime, &timeUs));
+
+            // push decoding time for video, or drift time for audio
+            if (mIsVideo) {
+                mDecodingTimeQueue.push_back(timeUs);
+            } else {
+#if DEBUG_DRIFT_TIME
+                if (mFirstSampleTimeUs < 0ll) {
+                    mFirstSampleTimeUs = timeUs;
+                }
+
+                int64_t driftTimeUs = 0;
+                if (mbuf->meta_data()->findInt64(kKeyDriftTime, &driftTimeUs)
+                        && driftTimeUs) {
+                    driftTimeUs = timeUs - mFirstSampleTimeUs - driftTimeUs;
+                }
+                mDriftTimeQueue.push_back(driftTimeUs);
+#endif // DEBUG_DRIFT_TIME
+            }
+
+            size = mbuf->size();
+
+            memcpy(mEncoderInputBuffers.itemAt(bufferIndex)->data(),
+                   mbuf->data(), size);
+
+            if (mIsVideo) {
+                // video encoder will release MediaBuffer when done
+                // with underlying data.
+                mEncoderInputBuffers.itemAt(bufferIndex)->meta()
+                        ->setPointer("mediaBuffer", mbuf);
+            } else {
+                mbuf->release();
+            }
+        } else {
+            flags = MediaCodec::BUFFER_FLAG_EOS;
+        }
+
+        status_t err = mEncoder->queueInputBuffer(
+                bufferIndex, 0, size, timeUs, flags);
+
+        if (err != OK) {
+            return err;
+        }
+    }
+
+    return OK;
+}
+
+status_t MediaCodecSource::doMoreWork() {
+    status_t err;
+
+    if (!(mFlags & FLAG_USE_SURFACE_INPUT)) {
+        for (;;) {
+            size_t bufferIndex;
+            err = mEncoder->dequeueInputBuffer(&bufferIndex);
+
+            if (err != OK) {
+                break;
+            }
+
+            mAvailEncoderInputIndices.push_back(bufferIndex);
+        }
+
+        feedEncoderInputBuffers();
+    }
+
+    for (;;) {
+        size_t bufferIndex;
+        size_t offset;
+        size_t size;
+        int64_t timeUs;
+        uint32_t flags;
+        native_handle_t* handle = NULL;
+        err = mEncoder->dequeueOutputBuffer(
+                &bufferIndex, &offset, &size, &timeUs, &flags);
+
+        if (err != OK) {
+            if (err == INFO_FORMAT_CHANGED) {
+                continue;
+            } else if (err == INFO_OUTPUT_BUFFERS_CHANGED) {
+                mEncoder->getOutputBuffers(&mEncoderOutputBuffers);
+                continue;
+            }
+
+            if (err == -EAGAIN) {
+                err = OK;
+            }
+            break;
+        }
+        if (!(flags & MediaCodec::BUFFER_FLAG_EOS)) {
+            sp<ABuffer> outbuf = mEncoderOutputBuffers.itemAt(bufferIndex);
+
+            MediaBuffer *mbuf = new MediaBuffer(outbuf->size());
+            memcpy(mbuf->data(), outbuf->data(), outbuf->size());
+
+            if (!(flags & MediaCodec::BUFFER_FLAG_CODECCONFIG)) {
+                if (mIsVideo) {
+                    int64_t decodingTimeUs;
+                    if (mFlags & FLAG_USE_SURFACE_INPUT) {
+                        // GraphicBufferSource is supposed to discard samples
+                        // queued before start, and offset timeUs by start time
+                        CHECK_GE(timeUs, 0ll);
+                        // TODO:
+                        // Decoding time for surface source is unavailable,
+                        // use presentation time for now. May need to move
+                        // this logic into MediaCodec.
+                        decodingTimeUs = timeUs;
+                    } else {
+                        CHECK(!mDecodingTimeQueue.empty());
+                        decodingTimeUs = *(mDecodingTimeQueue.begin());
+                        mDecodingTimeQueue.erase(mDecodingTimeQueue.begin());
+                    }
+                    mbuf->meta_data()->setInt64(kKeyDecodingTime, decodingTimeUs);
+
+                    ALOGV("[video] time %lld us (%.2f secs), dts/pts diff %lld",
+                            timeUs, timeUs / 1E6, decodingTimeUs - timeUs);
+                } else {
+                    int64_t driftTimeUs = 0;
+#if DEBUG_DRIFT_TIME
+                    CHECK(!mDriftTimeQueue.empty());
+                    driftTimeUs = *(mDriftTimeQueue.begin());
+                    mDriftTimeQueue.erase(mDriftTimeQueue.begin());
+                    mbuf->meta_data()->setInt64(kKeyDriftTime, driftTimeUs);
+#endif // DEBUG_DRIFT_TIME
+                    ALOGV("[audio] time %lld us (%.2f secs), drift %lld",
+                            timeUs, timeUs / 1E6, driftTimeUs);
+                }
+                mbuf->meta_data()->setInt64(kKeyTime, timeUs);
+            } else {
+                mbuf->meta_data()->setInt32(kKeyIsCodecConfig, true);
+            }
+            if (flags & MediaCodec::BUFFER_FLAG_SYNCFRAME) {
+                mbuf->meta_data()->setInt32(kKeyIsSyncFrame, true);
+            }
+            mbuf->setObserver(this);
+            mbuf->add_ref();
+
+            {
+                Mutex::Autolock autoLock(mOutputBufferLock);
+                mOutputBufferQueue.push_back(mbuf);
+                mOutputBufferCond.signal();
+            }
+        }
+
+        mEncoder->releaseOutputBuffer(bufferIndex);
+
+        if (flags & MediaCodec::BUFFER_FLAG_EOS) {
+            err = ERROR_END_OF_STREAM;
+            break;
+        }
+    }
+
+    return err;
+}
+
+status_t MediaCodecSource::onStart(MetaData *params) {
+    if (mStopping) {
+        ALOGE("Failed to start while we're stopping");
+        return INVALID_OPERATION;
+    }
+
+    if (mStarted) {
+        ALOGI("MediaCodecSource (%s) resuming", mIsVideo ? "video" : "audio");
+        if (mFlags & FLAG_USE_SURFACE_INPUT) {
+            resume();
+        } else {
+            CHECK(mPuller != NULL);
+            mPuller->resume();
+        }
+        return OK;
+    }
+
+    ALOGI("MediaCodecSource (%s) starting", mIsVideo ? "video" : "audio");
+
+    status_t err = OK;
+
+    if (mFlags & FLAG_USE_SURFACE_INPUT) {
+        int64_t startTimeUs;
+        if (!params || !params->findInt64(kKeyTime, &startTimeUs)) {
+            startTimeUs = -1ll;
+        }
+        resume(startTimeUs);
+        scheduleDoMoreWork();
+    } else {
+        CHECK(mPuller != NULL);
+        sp<AMessage> notify = new AMessage(
+                kWhatPullerNotify, mReflector->id());
+        err = mPuller->start(params, notify);
+        if (err != OK) {
+            mPullerReachedEOS = true;
+            return err;
+        }
+    }
+
+    ALOGI("MediaCodecSource (%s) started", mIsVideo ? "video" : "audio");
+
+    mStarted = true;
+    return OK;
+}
+
+void MediaCodecSource::onMessageReceived(const sp<AMessage> &msg) {
+    switch (msg->what()) {
+    case kWhatPullerNotify:
+    {
+        MediaBuffer *mbuf;
+        CHECK(msg->findPointer("accessUnit", (void**)&mbuf));
+
+        if (mbuf == NULL) {
+            ALOGI("puller (%s) reached EOS",
+                    mIsVideo ? "video" : "audio");
+            mPullerReachedEOS = true;
+        }
+
+        if (mEncoder == NULL) {
+            ALOGV("got msg '%s' after encoder shutdown.",
+                  msg->debugString().c_str());
+
+            if (mbuf != NULL) {
+                mbuf->release();
+            } else {
+                signalEOS();
+            }
+            break;
+        }
+
+        mInputBufferQueue.push_back(mbuf);
+
+        feedEncoderInputBuffers();
+        scheduleDoMoreWork();
+
+        break;
+    }
+    case kWhatEncoderActivity:
+    {
+        mDoMoreWorkPending = false;
+
+        if (mEncoder == NULL) {
+            break;
+        }
+
+        status_t err = doMoreWork();
+
+        if (err == OK) {
+            scheduleDoMoreWork();
+        } else {
+            // reached EOS, or error
+            signalEOS(err);
+        }
+
+        break;
+    }
+    case kWhatStart:
+    {
+        uint32_t replyID;
+        CHECK(msg->senderAwaitsResponse(&replyID));
+
+        sp<RefBase> obj;
+        CHECK(msg->findObject("meta", &obj));
+        MetaData *params = static_cast<MetaData *>(obj.get());
+
+        sp<AMessage> response = new AMessage;
+        response->setInt32("err", onStart(params));
+        response->postReply(replyID);
+        break;
+    }
+    case kWhatStop:
+    {
+        ALOGI("MediaCodecSource (%s) stopping", mIsVideo ? "video" : "audio");
+
+        uint32_t replyID;
+        CHECK(msg->senderAwaitsResponse(&replyID));
+
+        if (reachedEOS()) {
+            // if we already reached EOS, reply and return now
+            ALOGI("MediaCodecSource (%s) already stopped",
+                    mIsVideo ? "video" : "audio");
+            (new AMessage)->postReply(replyID);
+            break;
+        }
+
+        mStopReplyIDQueue.push_back(replyID);
+        if (mStopping) {
+            // nothing to do if we're already stopping, reply will be posted
+            // to all when we're stopped.
+            break;
+        }
+
+        mStopping = true;
+
+        // if using surface, signal source EOS and wait for EOS to come back.
+        // otherwise, release encoder and post EOS if haven't done already
+        if (mFlags & FLAG_USE_SURFACE_INPUT) {
+            mEncoder->signalEndOfInputStream();
+        } else {
+            CHECK(mPuller != NULL);
+            mPuller->stopAsync();
+            signalEOS();
+        }
+        break;
+    }
+    case kWhatPause:
+    {
+        if (mFlags && FLAG_USE_SURFACE_INPUT) {
+            suspend();
+        } else {
+            CHECK(mPuller != NULL);
+            mPuller->pause();
+        }
+        break;
+    }
+    default:
+        TRESPASS();
+    }
+}
+
+} // namespace android
diff --git a/media/libstagefright/omx/GraphicBufferSource.cpp b/media/libstagefright/omx/GraphicBufferSource.cpp
index 20fa7ce..1e6de55 100644
--- a/media/libstagefright/omx/GraphicBufferSource.cpp
+++ b/media/libstagefright/omx/GraphicBufferSource.cpp
@@ -45,6 +45,7 @@
     mMaxTimestampGapUs(-1ll),
     mPrevOriginalTimeUs(-1ll),
     mPrevModifiedTimeUs(-1ll),
+    mSkipFramesBeforeNs(-1ll),
     mRepeatLastFrameGeneration(0),
     mRepeatLastFrameTimestamp(-1ll),
     mLatestSubmittedBufferId(-1),
@@ -414,7 +415,18 @@
         mBufferSlot[item.mBuf] = item.mGraphicBuffer;
     }
 
-    err = submitBuffer_l(item, cbi);
+    err = UNKNOWN_ERROR;
+
+    // only submit sample if start time is unspecified, or sample
+    // is queued after the specified start time
+    if (mSkipFramesBeforeNs < 0ll || item.mTimestamp >= mSkipFramesBeforeNs) {
+        // if start time is set, offset time stamp by start time
+        if (mSkipFramesBeforeNs > 0) {
+            item.mTimestamp -= mSkipFramesBeforeNs;
+        }
+        err = submitBuffer_l(item, cbi);
+    }
+
     if (err != OK) {
         ALOGV("submitBuffer_l failed, releasing bq buf %d", item.mBuf);
         mBufferQueue->releaseBuffer(item.mBuf, item.mFrameNumber,
@@ -762,6 +774,14 @@
 
     return OK;
 }
+
+void GraphicBufferSource::setSkipFramesBeforeUs(int64_t skipFramesBeforeUs) {
+    Mutex::Autolock autoLock(mMutex);
+
+    mSkipFramesBeforeNs =
+            (skipFramesBeforeUs > 0) ? (skipFramesBeforeUs * 1000) : -1ll;
+}
+
 void GraphicBufferSource::onMessageReceived(const sp<AMessage> &msg) {
     switch (msg->what()) {
         case kWhatRepeatLastFrame:
diff --git a/media/libstagefright/omx/GraphicBufferSource.h b/media/libstagefright/omx/GraphicBufferSource.h
index 3b0e454..153f2a0 100644
--- a/media/libstagefright/omx/GraphicBufferSource.h
+++ b/media/libstagefright/omx/GraphicBufferSource.h
@@ -118,6 +118,10 @@
     // of suspension on input.
     status_t setMaxTimestampGapUs(int64_t maxGapUs);
 
+    // Sets the start time us (in system time), samples before which should
+    // be dropped and not submitted to encoder
+    void setSkipFramesBeforeUs(int64_t startTimeUs);
+
 protected:
     // BufferQueue::ConsumerListener interface, called when a new frame of
     // data is available.  If we're executing and a codec buffer is
@@ -223,16 +227,17 @@
     enum {
         kRepeatLastFrameCount = 10,
     };
-    int64_t mRepeatAfterUs;
-    int64_t mMaxTimestampGapUs;
 
     KeyedVector<int64_t, int64_t> mOriginalTimeUs;
+    int64_t mMaxTimestampGapUs;
     int64_t mPrevOriginalTimeUs;
     int64_t mPrevModifiedTimeUs;
+    int64_t mSkipFramesBeforeNs;
 
     sp<ALooper> mLooper;
     sp<AHandlerReflector<GraphicBufferSource> > mReflector;
 
+    int64_t mRepeatAfterUs;
     int32_t mRepeatLastFrameGeneration;
     int64_t mRepeatLastFrameTimestamp;
     int32_t mRepeatLastFrameCount;
diff --git a/media/libstagefright/omx/OMXNodeInstance.cpp b/media/libstagefright/omx/OMXNodeInstance.cpp
index 6c5c857..dba522f 100644
--- a/media/libstagefright/omx/OMXNodeInstance.cpp
+++ b/media/libstagefright/omx/OMXNodeInstance.cpp
@@ -850,6 +850,7 @@
         case IOMX::INTERNAL_OPTION_SUSPEND:
         case IOMX::INTERNAL_OPTION_REPEAT_PREVIOUS_FRAME_DELAY:
         case IOMX::INTERNAL_OPTION_MAX_TIMESTAMP_GAP:
+        case IOMX::INTERNAL_OPTION_START_TIME:
         {
             const sp<GraphicBufferSource> &bufferSource =
                 getGraphicBufferSource();
@@ -874,7 +875,8 @@
                 int64_t delayUs = *(int64_t *)data;
 
                 return bufferSource->setRepeatPreviousFrameDelayUs(delayUs);
-            } else {
+            } else if (type ==
+                    IOMX::INTERNAL_OPTION_MAX_TIMESTAMP_GAP){
                 if (size != sizeof(int64_t)) {
                     return INVALID_OPERATION;
                 }
@@ -882,6 +884,14 @@
                 int64_t maxGapUs = *(int64_t *)data;
 
                 return bufferSource->setMaxTimestampGapUs(maxGapUs);
+            } else { // IOMX::INTERNAL_OPTION_START_TIME
+                if (size != sizeof(int64_t)) {
+                    return INVALID_OPERATION;
+                }
+
+                int64_t skipFramesBeforeUs = *(int64_t *)data;
+
+                bufferSource->setSkipFramesBeforeUs(skipFramesBeforeUs);
             }
 
             return OK;
diff --git a/media/libstagefright/tests/SurfaceMediaSource_test.cpp b/media/libstagefright/tests/SurfaceMediaSource_test.cpp
index 49ffcd6..ddedad7 100644
--- a/media/libstagefright/tests/SurfaceMediaSource_test.cpp
+++ b/media/libstagefright/tests/SurfaceMediaSource_test.cpp
@@ -746,9 +746,8 @@
     CHECK(fd >= 0);
 
     sp<MediaRecorder> mr = SurfaceMediaSourceGLTest::setUpMediaRecorder(fd,
-            VIDEO_SOURCE_GRALLOC_BUFFER,
-            OUTPUT_FORMAT_MPEG_4, VIDEO_ENCODER_H264, mYuvTexWidth,
-            mYuvTexHeight, 30);
+            VIDEO_SOURCE_SURFACE, OUTPUT_FORMAT_MPEG_4, VIDEO_ENCODER_H264,
+            mYuvTexWidth, mYuvTexHeight, 30);
     // get the reference to the surfacemediasource living in
     // mediaserver that is created by stagefrightrecorder
     sp<IGraphicBufferProducer> iST = mr->querySurfaceMediaSourceFromMediaServer();
@@ -880,7 +879,7 @@
     }
     CHECK(fd >= 0);
 
-    sp<MediaRecorder> mr = setUpMediaRecorder(fd, VIDEO_SOURCE_GRALLOC_BUFFER,
+    sp<MediaRecorder> mr = setUpMediaRecorder(fd, VIDEO_SOURCE_SURFACE,
             OUTPUT_FORMAT_MPEG_4, VIDEO_ENCODER_H264, mYuvTexWidth, mYuvTexHeight, 30);
 
     // get the reference to the surfacemediasource living in
@@ -923,7 +922,7 @@
     }
     CHECK(fd >= 0);
 
-    sp<MediaRecorder> mr = setUpMediaRecorder(fd, VIDEO_SOURCE_GRALLOC_BUFFER,
+    sp<MediaRecorder> mr = setUpMediaRecorder(fd, VIDEO_SOURCE_SURFACE,
             OUTPUT_FORMAT_MPEG_4, VIDEO_ENCODER_H264, mYuvTexWidth, mYuvTexHeight, 30);
 
     // get the reference to the surfacemediasource living in