diff --git a/include/media/IMediaRecorder.h b/include/media/IMediaRecorder.h
index 54b197c..28be7c1 100644
--- a/include/media/IMediaRecorder.h
+++ b/include/media/IMediaRecorder.h
@@ -40,6 +40,7 @@
     virtual	status_t		setAudioEncoder(int ae) = 0;
     virtual	status_t		setOutputFile(const char* path) = 0;
     virtual	status_t		setOutputFile(int fd, int64_t offset, int64_t length) = 0;
+    virtual	status_t		setOutputFileAuxiliary(int fd) = 0;
     virtual	status_t		setVideoSize(int width, int height) = 0;
     virtual	status_t		setVideoFrameRate(int frames_per_second) = 0;
     virtual     status_t                setParameters(const String8& params) = 0;
diff --git a/include/media/MediaRecorderBase.h b/include/media/MediaRecorderBase.h
index e5edd29..c42346e 100644
--- a/include/media/MediaRecorderBase.h
+++ b/include/media/MediaRecorderBase.h
@@ -40,6 +40,7 @@
     virtual status_t setPreviewSurface(const sp<Surface>& surface) = 0;
     virtual status_t setOutputFile(const char *path) = 0;
     virtual status_t setOutputFile(int fd, int64_t offset, int64_t length) = 0;
+    virtual status_t setOutputFileAuxiliary(int fd) {return INVALID_OPERATION;}
     virtual status_t setParameters(const String8& params) = 0;
     virtual status_t setListener(const sp<IMediaRecorderClient>& listener) = 0;
     virtual status_t prepare() = 0;
diff --git a/include/media/mediarecorder.h b/include/media/mediarecorder.h
index 291b18a..a600f6b 100644
--- a/include/media/mediarecorder.h
+++ b/include/media/mediarecorder.h
@@ -170,6 +170,7 @@
     status_t    setAudioEncoder(int ae);
     status_t    setOutputFile(const char* path);
     status_t    setOutputFile(int fd, int64_t offset, int64_t length);
+    status_t    setOutputFileAuxiliary(int fd);
     status_t    setVideoSize(int width, int height);
     status_t    setVideoFrameRate(int frames_per_second);
     status_t    setParameters(const String8& params);
@@ -196,6 +197,7 @@
     bool                        mIsAudioEncoderSet;
     bool                        mIsVideoEncoderSet;
     bool                        mIsOutputFileSet;
+    bool                        mIsAuxiliaryOutputFileSet;
     Mutex                       mLock;
     Mutex                       mNotifyLock;
 };
diff --git a/media/libmedia/IMediaRecorder.cpp b/media/libmedia/IMediaRecorder.cpp
index f55a01e..59cd1b7 100644
--- a/media/libmedia/IMediaRecorder.cpp
+++ b/media/libmedia/IMediaRecorder.cpp
@@ -43,6 +43,7 @@
     SET_AUDIO_ENCODER,
     SET_OUTPUT_FILE_PATH,
     SET_OUTPUT_FILE_FD,
+    SET_OUTPUT_FILE_AUXILIARY_FD,
     SET_VIDEO_SIZE,
     SET_VIDEO_FRAMERATE,
     SET_PARAMETERS,
@@ -159,6 +160,15 @@
         return reply.readInt32();
     }
 
+    status_t setOutputFileAuxiliary(int fd) {
+        LOGV("setOutputFileAuxiliary(%d)", fd);
+        Parcel data, reply;
+        data.writeInterfaceToken(IMediaRecorder::getInterfaceDescriptor());
+        data.writeFileDescriptor(fd);
+        remote()->transact(SET_OUTPUT_FILE_AUXILIARY_FD, data, &reply);
+        return reply.readInt32();
+    }
+
     status_t setVideoSize(int width, int height)
     {
         LOGV("setVideoSize(%dx%d)", width, height);
@@ -377,6 +387,13 @@
             ::close(fd);
             return NO_ERROR;
         } break;
+        case SET_OUTPUT_FILE_AUXILIARY_FD: {
+            LOGV("SET_OUTPUT_FILE_AUXILIARY_FD");
+            CHECK_INTERFACE(IMediaRecorder, data, reply);
+            int fd = dup(data.readFileDescriptor());
+            reply->writeInt32(setOutputFileAuxiliary(fd));
+            return NO_ERROR;
+        } break;
         case SET_VIDEO_SIZE: {
             LOGV("SET_VIDEO_SIZE");
             CHECK_INTERFACE(IMediaRecorder, data, reply);
diff --git a/media/libmedia/mediarecorder.cpp b/media/libmedia/mediarecorder.cpp
index 7f25359..51d91fe 100644
--- a/media/libmedia/mediarecorder.cpp
+++ b/media/libmedia/mediarecorder.cpp
@@ -308,6 +308,32 @@
     return ret;
 }
 
+status_t MediaRecorder::setOutputFileAuxiliary(int fd)
+{
+    LOGV("setOutputFileAuxiliary(%d)", fd);
+    if(mMediaRecorder == NULL) {
+        LOGE("media recorder is not initialized yet");
+        return INVALID_OPERATION;
+    }
+    if (mIsAuxiliaryOutputFileSet) {
+        LOGE("output file has already been set");
+        return INVALID_OPERATION;
+    }
+    if (!(mCurrentState & MEDIA_RECORDER_DATASOURCE_CONFIGURED)) {
+        LOGE("setOutputFile called in an invalid state(%d)", mCurrentState);
+        return INVALID_OPERATION;
+    }
+
+    status_t ret = mMediaRecorder->setOutputFileAuxiliary(fd);
+    if (OK != ret) {
+        LOGV("setOutputFileAuxiliary failed: %d", ret);
+        mCurrentState = MEDIA_RECORDER_ERROR;
+        return ret;
+    }
+    mIsAuxiliaryOutputFileSet = true;
+    return ret;
+}
+
 status_t MediaRecorder::setVideoSize(int width, int height)
 {
     LOGV("setVideoSize(%d, %d)", width, height);
@@ -571,6 +597,7 @@
     mIsAudioEncoderSet = false;
     mIsVideoEncoderSet = false;
     mIsOutputFileSet   = false;
+    mIsAuxiliaryOutputFileSet = false;
 }
 
 // Release should be OK in any state
diff --git a/media/libmediaplayerservice/MediaRecorderClient.cpp b/media/libmediaplayerservice/MediaRecorderClient.cpp
index 96519e6..be6a8be 100644
--- a/media/libmediaplayerservice/MediaRecorderClient.cpp
+++ b/media/libmediaplayerservice/MediaRecorderClient.cpp
@@ -164,6 +164,17 @@
     return mRecorder->setOutputFile(fd, offset, length);
 }
 
+status_t MediaRecorderClient::setOutputFileAuxiliary(int fd)
+{
+    LOGV("setOutputFileAuxiliary(%d)", fd);
+    Mutex::Autolock lock(mLock);
+    if (mRecorder == NULL) {
+        LOGE("recorder is not initialized");
+        return NO_INIT;
+    }
+    return mRecorder->setOutputFileAuxiliary(fd);
+}
+
 status_t MediaRecorderClient::setVideoSize(int width, int height)
 {
     LOGV("setVideoSize(%dx%d)", width, height);
diff --git a/media/libmediaplayerservice/MediaRecorderClient.h b/media/libmediaplayerservice/MediaRecorderClient.h
index 6c17217..fded98e 100644
--- a/media/libmediaplayerservice/MediaRecorderClient.h
+++ b/media/libmediaplayerservice/MediaRecorderClient.h
@@ -37,6 +37,7 @@
     virtual     status_t        setAudioEncoder(int ae);
     virtual     status_t        setOutputFile(const char* path);
     virtual     status_t        setOutputFile(int fd, int64_t offset, int64_t length);
+    virtual     status_t        setOutputFileAuxiliary(int fd);
     virtual     status_t        setVideoSize(int width, int height);
     virtual     status_t        setVideoFrameRate(int frames_per_second);
     virtual     status_t        setParameters(const String8& params);