diff --git a/cmds/stagefright/record.cpp b/cmds/stagefright/record.cpp
index 176dab0..0025c5e 100644
--- a/cmds/stagefright/record.cpp
+++ b/cmds/stagefright/record.cpp
@@ -32,8 +32,10 @@
 
 using namespace android;
 
-#if 0
+#if 1
 class DummySource : public MediaSource {
+    static const int32_t kFramerate = 24;  // fps
+
 public:
     DummySource(int width, int height)
         : mWidth(width),
@@ -52,6 +54,7 @@
     }
 
     virtual status_t start(MetaData *params) {
+        mNumFramesOutput = 0;
         return OK;
     }
 
@@ -61,6 +64,12 @@
 
     virtual status_t read(
             MediaBuffer **buffer, const MediaSource::ReadOptions *options) {
+        if (mNumFramesOutput == kFramerate * 10) {
+            // Stop returning data after 10 secs.
+            return ERROR_END_OF_STREAM;
+        }
+
+        // printf("DummySource::read\n");
         status_t err = mGroup.acquire_buffer(buffer);
         if (err != OK) {
             return err;
@@ -69,7 +78,13 @@
         char x = (char)((double)rand() / RAND_MAX * 255);
         memset((*buffer)->data(), x, mSize);
         (*buffer)->set_range(0, mSize);
+        (*buffer)->meta_data()->clear();
+        (*buffer)->meta_data()->setInt64(
+                kKeyTime, (mNumFramesOutput * 1000000) / kFramerate);
+        ++mNumFramesOutput;
 
+        // printf("DummySource::read - returning buffer\n");
+        // LOGI("DummySource::read - returning buffer");
         return OK;
     }
 
@@ -80,6 +95,7 @@
     MediaBufferGroup mGroup;
     int mWidth, mHeight;
     size_t mSize;
+    int64_t mNumFramesOutput;;
 
     DummySource(const DummySource &);
     DummySource &operator=(const DummySource &);
@@ -144,8 +160,8 @@
     success = success && meta->findInt32(kKeyHeight, &height);
     CHECK(success);
 #else
-    int width = 320;
-    int height = 240;
+    int width = 800;
+    int height = 480;
     sp<MediaSource> decoder = new DummySource(width, height);
 #endif
 
@@ -159,19 +175,26 @@
         OMXCodec::Create(
                 client.interface(), enc_meta, true /* createEncoder */, decoder);
 
-#if 0
+#if 1
     sp<MPEG4Writer> writer = new MPEG4Writer("/sdcard/output.mp4");
-    writer->addSource(enc_meta, encoder);
+    writer->addSource(encoder);
     writer->start();
-    sleep(20);
-    printf("stopping now.\n");
+    while (!writer->reachedEOS()) {
+        usleep(100000);
+    }
     writer->stop();
 #else
     encoder->start();
 
     MediaBuffer *buffer;
     while (encoder->read(&buffer) == OK) {
-        printf("got an output frame of size %d\n", buffer->range_length());
+        int32_t isSync;
+        if (!buffer->meta_data()->findInt32(kKeyIsSyncFrame, &isSync)) {
+            isSync = false;
+        }
+
+        printf("got an output frame of size %d%s\n", buffer->range_length(),
+               isSync ? " (SYNC)" : "");
 
         buffer->release();
         buffer = NULL;
diff --git a/include/media/stagefright/OMXCodec.h b/include/media/stagefright/OMXCodec.h
index d0f4f17..7890883 100644
--- a/include/media/stagefright/OMXCodec.h
+++ b/include/media/stagefright/OMXCodec.h
@@ -158,6 +158,8 @@
     void setVideoInputFormat(
             const char *mime, OMX_U32 width, OMX_U32 height);
 
+    status_t setupMPEG4EncoderParameters();
+
     void setVideoOutputFormat(
             const char *mime, OMX_U32 width, OMX_U32 height);
 
diff --git a/media/libstagefright/OMXCodec.cpp b/media/libstagefright/OMXCodec.cpp
index 01ec973..41a9fe9 100644
--- a/media/libstagefright/OMXCodec.cpp
+++ b/media/libstagefright/OMXCodec.cpp
@@ -214,6 +214,7 @@
     if (!strncmp(componentName, "OMX.qcom.video.encoder.", 23)) {
         quirks |= kRequiresLoadedToIdleAfterAllocation;
         quirks |= kRequiresAllocateBufferOnInputPorts;
+        quirks |= kRequiresAllocateBufferOnOutputPorts;
     }
     if (!strncmp(componentName, "OMX.qcom.video.decoder.", 23)) {
         // XXX Required on P....on only.
@@ -562,6 +563,22 @@
     return err;
 }
 
+static size_t getFrameSize(
+        OMX_COLOR_FORMATTYPE colorFormat, int32_t width, int32_t height) {
+    switch (colorFormat) {
+        case OMX_COLOR_FormatYCbYCr:
+        case OMX_COLOR_FormatCbYCrY:
+            return width * height * 2;
+
+        case OMX_COLOR_FormatYUV420SemiPlanar:
+            return (width * height * 3) / 2;
+
+        default:
+            CHECK(!"Should not be here. Unsupported color format.");
+            break;
+    }
+}
+
 void OMXCodec::setVideoInputFormat(
         const char *mime, OMX_U32 width, OMX_U32 height) {
     CODEC_LOGV("setVideoInputFormat width=%ld, height=%ld", width, height);
@@ -585,12 +602,13 @@
         colorFormat = OMX_COLOR_FormatYUV420SemiPlanar;
     }
 
-    setVideoPortFormatType(
+    CHECK_EQ(setVideoPortFormatType(
             kPortIndexInput, OMX_VIDEO_CodingUnused,
-            colorFormat);
+            colorFormat), OK);
 
-    setVideoPortFormatType(
-            kPortIndexOutput, compressionFormat, OMX_COLOR_FormatUnused);
+    CHECK_EQ(setVideoPortFormatType(
+            kPortIndexOutput, compressionFormat, OMX_COLOR_FormatUnused),
+            OK);
 
     OMX_PARAM_PORTDEFINITIONTYPE def;
     InitOMXParams(&def);
@@ -623,7 +641,7 @@
             mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
     CHECK_EQ(err, OK);
 
-    def.nBufferSize = (width * height * 2); // (width * height * 3) / 2;
+    def.nBufferSize = getFrameSize(colorFormat, width, height);
     CODEC_LOGV("Setting nBufferSize = %ld", def.nBufferSize);
 
     CHECK_EQ(def.eDomain, OMX_PortDomainVideo);
@@ -633,9 +651,103 @@
     video_def->eCompressionFormat = OMX_VIDEO_CodingUnused;
     video_def->eColorFormat = colorFormat;
 
+    video_def->xFramerate = 24 << 16;  // XXX crucial!
+
     err = mOMX->setParameter(
             mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
     CHECK_EQ(err, OK);
+
+    switch (compressionFormat) {
+        case OMX_VIDEO_CodingMPEG4:
+        {
+            CHECK_EQ(setupMPEG4EncoderParameters(), OK);
+            break;
+        }
+
+        case OMX_VIDEO_CodingH263:
+            break;
+
+        default:
+            CHECK(!"Support for this compressionFormat to be implemented.");
+            break;
+    }
+}
+
+status_t OMXCodec::setupMPEG4EncoderParameters() {
+    OMX_VIDEO_PARAM_MPEG4TYPE mpeg4type;
+    InitOMXParams(&mpeg4type);
+    mpeg4type.nPortIndex = kPortIndexOutput;
+
+    status_t err = mOMX->getParameter(
+            mNode, OMX_IndexParamVideoMpeg4, &mpeg4type, sizeof(mpeg4type));
+    CHECK_EQ(err, OK);
+
+    mpeg4type.nSliceHeaderSpacing = 0;
+    mpeg4type.bSVH = OMX_FALSE;
+    mpeg4type.bGov = OMX_FALSE;
+
+    mpeg4type.nAllowedPictureTypes =
+        OMX_VIDEO_PictureTypeI | OMX_VIDEO_PictureTypeP;
+
+    mpeg4type.nPFrames = 23;
+    mpeg4type.nBFrames = 0;
+
+    mpeg4type.nIDCVLCThreshold = 0;
+    mpeg4type.bACPred = OMX_TRUE;
+    mpeg4type.nMaxPacketSize = 256;
+    mpeg4type.nTimeIncRes = 1000;
+    mpeg4type.nHeaderExtension = 0;
+    mpeg4type.bReversibleVLC = OMX_FALSE;
+
+    mpeg4type.eProfile = OMX_VIDEO_MPEG4ProfileCore;
+    mpeg4type.eLevel = OMX_VIDEO_MPEG4Level2;
+
+    err = mOMX->setParameter(
+            mNode, OMX_IndexParamVideoMpeg4, &mpeg4type, sizeof(mpeg4type));
+    CHECK_EQ(err, OK);
+
+    // ----------------
+
+    OMX_VIDEO_PARAM_BITRATETYPE bitrateType;
+    InitOMXParams(&bitrateType);
+    bitrateType.nPortIndex = kPortIndexOutput;
+
+    err = mOMX->getParameter(
+            mNode, OMX_IndexParamVideoBitrate,
+            &bitrateType, sizeof(bitrateType));
+    CHECK_EQ(err, OK);
+
+    bitrateType.eControlRate = OMX_Video_ControlRateVariable;
+    bitrateType.nTargetBitrate = 1000000;
+
+    err = mOMX->setParameter(
+            mNode, OMX_IndexParamVideoBitrate,
+            &bitrateType, sizeof(bitrateType));
+    CHECK_EQ(err, OK);
+
+    // ----------------
+
+    OMX_VIDEO_PARAM_ERRORCORRECTIONTYPE errorCorrectionType;
+    InitOMXParams(&errorCorrectionType);
+    errorCorrectionType.nPortIndex = kPortIndexOutput;
+
+    err = mOMX->getParameter(
+            mNode, OMX_IndexParamVideoErrorCorrection,
+            &errorCorrectionType, sizeof(errorCorrectionType));
+    CHECK_EQ(err, OK);
+
+    errorCorrectionType.bEnableHEC = OMX_FALSE;
+    errorCorrectionType.bEnableResync = OMX_TRUE;
+    errorCorrectionType.nResynchMarkerSpacing = 256;
+    errorCorrectionType.bEnableDataPartitioning = OMX_FALSE;
+    errorCorrectionType.bEnableRVLC = OMX_FALSE;
+
+    err = mOMX->setParameter(
+            mNode, OMX_IndexParamVideoErrorCorrection,
+            &errorCorrectionType, sizeof(errorCorrectionType));
+    CHECK_EQ(err, OK);
+
+    return OK;
 }
 
 void OMXCodec::setVideoOutputFormat(
@@ -708,6 +820,7 @@
     video_def->nFrameWidth = width;
     video_def->nFrameHeight = height;
 
+    video_def->eCompressionFormat = compressionFormat;
     video_def->eColorFormat = OMX_COLOR_FormatUnused;
 
     err = mOMX->setParameter(