auto import from //branches/cupcake/...@131421
diff --git a/media/libmedia/AudioRecord.cpp b/media/libmedia/AudioRecord.cpp
index a987b92..3d39181 100644
--- a/media/libmedia/AudioRecord.cpp
+++ b/media/libmedia/AudioRecord.cpp
@@ -128,22 +128,8 @@
         return BAD_VALUE;
     }
 
-    size_t inputBuffSizeInBytes = -1;
-    if (AudioSystem::getInputBufferSize(sampleRate, format, channelCount, &inputBuffSizeInBytes)
-        != NO_ERROR) {
-            LOGE("AudioSystem could not query the input buffer size.");
-            return NO_INIT;
-    }
-    if (inputBuffSizeInBytes == 0) {
-        LOGE("Recording parameters are not supported: sampleRate %d, channelCount %d, format %d",
-            sampleRate, channelCount, format);
-        return BAD_VALUE;
-    }
-    int frameSizeInBytes = channelCount * (format == AudioSystem::PCM_16_BIT ? 2 : 1);
-    
-    // We use 2* size of input buffer for ping pong use of record buffer.
-    int minFrameCount = 2 * inputBuffSizeInBytes / frameSizeInBytes;
-    LOGV("AudioRecord::set() minFrameCount = %d", minFrameCount);
+    // TODO: Get input frame count from hardware.
+    int minFrameCount = 1024*2;
 
     if (frameCount == 0) {
         frameCount = minFrameCount;
diff --git a/media/libmedia/AudioSystem.cpp b/media/libmedia/AudioSystem.cpp
index cf91105..63dfc3b 100644
--- a/media/libmedia/AudioSystem.cpp
+++ b/media/libmedia/AudioSystem.cpp
@@ -20,7 +20,6 @@
 #include <utils/Log.h>
 #include <utils/IServiceManager.h>
 #include <media/AudioSystem.h>
-#include <media/AudioTrack.h>
 #include <math.h>
 
 namespace android {
@@ -31,9 +30,10 @@
 sp<AudioSystem::AudioFlingerClient> AudioSystem::gAudioFlingerClient;
 audio_error_callback AudioSystem::gAudioErrorCallback = NULL;
 // Cached values
-int AudioSystem::gOutSamplingRate = 0;
-int AudioSystem::gOutFrameCount = 0;
-uint32_t AudioSystem::gOutLatency = 0;
+int AudioSystem::gOutSamplingRate[NUM_AUDIO_OUTPUT_TYPES];
+int AudioSystem::gOutFrameCount[NUM_AUDIO_OUTPUT_TYPES];
+uint32_t AudioSystem::gOutLatency[NUM_AUDIO_OUTPUT_TYPES];
+bool AudioSystem::gA2dpEnabled;
 // Cached values for recording queries
 uint32_t AudioSystem::gPrevInSamplingRate = 16000;
 int AudioSystem::gPrevInFormat = AudioSystem::PCM_16_BIT;
@@ -66,9 +66,12 @@
         gAudioFlinger = interface_cast<IAudioFlinger>(binder);
         gAudioFlinger->registerClient(gAudioFlingerClient);
         // Cache frequently accessed parameters 
-        gOutFrameCount = (int)gAudioFlinger->frameCount();
-        gOutSamplingRate = (int)gAudioFlinger->sampleRate();
-        gOutLatency = gAudioFlinger->latency();
+        for (int output = 0; output < NUM_AUDIO_OUTPUT_TYPES; output++) {
+            gOutFrameCount[output] = (int)gAudioFlinger->frameCount(output);
+            gOutSamplingRate[output] = (int)gAudioFlinger->sampleRate(output);
+            gOutLatency[output] = gAudioFlinger->latency(output);
+        }
+        gA2dpEnabled = gAudioFlinger->isA2dpEnabled();
     }
     LOGE_IF(gAudioFlinger==0, "no AudioFlinger!?");
     return gAudioFlinger;
@@ -147,7 +150,7 @@
 
 status_t AudioSystem::setStreamVolume(int stream, float value)
 {
-    if (uint32_t(stream) >= AudioTrack::NUM_STREAM_TYPES) return BAD_VALUE;
+    if (uint32_t(stream) >= NUM_STREAM_TYPES) return BAD_VALUE;
     const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger();
     if (af == 0) return PERMISSION_DENIED;
     af->setStreamVolume(stream, value);
@@ -156,7 +159,7 @@
 
 status_t AudioSystem::setStreamMute(int stream, bool mute)
 {
-    if (uint32_t(stream) >= AudioTrack::NUM_STREAM_TYPES) return BAD_VALUE;
+    if (uint32_t(stream) >= NUM_STREAM_TYPES) return BAD_VALUE;
     const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger();
     if (af == 0) return PERMISSION_DENIED;
     af->setStreamMute(stream, mute);
@@ -165,7 +168,7 @@
 
 status_t AudioSystem::getStreamVolume(int stream, float* volume)
 {
-    if (uint32_t(stream) >= AudioTrack::NUM_STREAM_TYPES) return BAD_VALUE;
+    if (uint32_t(stream) >= NUM_STREAM_TYPES) return BAD_VALUE;
     const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger();
     if (af == 0) return PERMISSION_DENIED;
     *volume = af->streamVolume(stream);
@@ -174,7 +177,7 @@
 
 status_t AudioSystem::getStreamMute(int stream, bool* mute)
 {
-    if (uint32_t(stream) >= AudioTrack::NUM_STREAM_TYPES) return BAD_VALUE;
+    if (uint32_t(stream) >= NUM_STREAM_TYPES) return BAD_VALUE;
     const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger();
     if (af == 0) return PERMISSION_DENIED;
     *mute = af->streamMute(stream);
@@ -252,37 +255,48 @@
     return volume ? 100 - int(dBConvertInverse * log(volume) + 0.5) : 0;
 }
 
-status_t AudioSystem::getOutputSamplingRate(int* samplingRate)
+status_t AudioSystem::getOutputSamplingRate(int* samplingRate, int streamType)
 {
-    if (gOutSamplingRate == 0) {
+    int output = getOutput(streamType);
+
+    if (gOutSamplingRate[output] == 0) {
         const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger();
         if (af == 0) return PERMISSION_DENIED;
         // gOutSamplingRate is updated by get_audio_flinger()
     }
-    *samplingRate = gOutSamplingRate;
+    LOGV("getOutputSamplingRate() streamType %d, output %d, sampling rate %d", streamType, output, gOutSamplingRate[output]);
+    *samplingRate = gOutSamplingRate[output];
     
     return NO_ERROR;
 }
 
-status_t AudioSystem::getOutputFrameCount(int* frameCount)
+status_t AudioSystem::getOutputFrameCount(int* frameCount, int streamType)
 {
-    if (gOutFrameCount == 0) {
+    int output = getOutput(streamType);
+
+    if (gOutFrameCount[output] == 0) {
         const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger();
         if (af == 0) return PERMISSION_DENIED;
         // gOutFrameCount is updated by get_audio_flinger()
     }
-    *frameCount = gOutFrameCount;
+    LOGV("getOutputFrameCount() streamType %d, output %d, frame count %d", streamType, output, gOutFrameCount[output]);
+
+    *frameCount = gOutFrameCount[output];
     return NO_ERROR;
 }
 
-status_t AudioSystem::getOutputLatency(uint32_t* latency)
+status_t AudioSystem::getOutputLatency(uint32_t* latency, int streamType)
 {
-    if (gOutLatency == 0) {
+    int output = getOutput(streamType);
+
+    if (gOutLatency[output] == 0) {
         const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger();
         if (af == 0) return PERMISSION_DENIED;
         // gOutLatency is updated by get_audio_flinger()
-    }    
-    *latency = gOutLatency;
+    }
+    LOGV("getOutputLatency() streamType %d, output %d, latency %d", streamType, output, gOutLatency[output]);
+
+    *latency = gOutLatency[output];
     
     return NO_ERROR;
 }
@@ -315,24 +329,23 @@
 void AudioSystem::AudioFlingerClient::binderDied(const wp<IBinder>& who) {   
     Mutex::Autolock _l(AudioSystem::gLock);
     AudioSystem::gAudioFlinger.clear();
-    AudioSystem::gOutSamplingRate = 0;
-    AudioSystem::gOutFrameCount = 0;
-    AudioSystem::gOutLatency = 0;
+
+    for (int output = 0; output < NUM_AUDIO_OUTPUT_TYPES; output++) {
+        gOutFrameCount[output] = 0;
+        gOutSamplingRate[output] = 0;
+        gOutLatency[output] = 0;
+    }
     AudioSystem::gInBuffSize = 0;
-    
+
     if (gAudioErrorCallback) {
         gAudioErrorCallback(DEAD_OBJECT);
     }
     LOGW("AudioFlinger server died!");
 }
 
-void AudioSystem::AudioFlingerClient::audioOutputChanged(uint32_t frameCount, uint32_t samplingRate, uint32_t latency) {
-
-    AudioSystem::gOutFrameCount = frameCount;
-    AudioSystem::gOutSamplingRate = samplingRate;
-    AudioSystem::gOutLatency = latency;
-
-    LOGV("AudioFlinger output changed!");
+void AudioSystem::AudioFlingerClient::a2dpEnabledChanged(bool enabled) {
+    gA2dpEnabled = enabled;        
+    LOGV("AudioFlinger A2DP enabled status changed! %d", enabled);
 }
 
 void AudioSystem::setErrorCallback(audio_error_callback cb) {
@@ -340,5 +353,31 @@
     gAudioErrorCallback = cb;
 }
 
+int AudioSystem::getOutput(int streamType)
+{  
+    if (streamType == DEFAULT) {
+        streamType = MUSIC;
+    }
+    if (gA2dpEnabled && routedToA2dpOutput(streamType)) {
+        return AUDIO_OUTPUT_A2DP;
+    } else {
+        return AUDIO_OUTPUT_HARDWARE;
+    }
+}
+
+bool AudioSystem::routedToA2dpOutput(int streamType) {
+    switch(streamType) {
+    case MUSIC:
+    case VOICE_CALL:
+    case BLUETOOTH_SCO:
+    case SYSTEM:
+        return true;
+    default:
+        return false;
+    }
+}
+
+
+
 }; // namespace android
 
diff --git a/media/libmedia/AudioTrack.cpp b/media/libmedia/AudioTrack.cpp
index 63b2012..1ffad46 100644
--- a/media/libmedia/AudioTrack.cpp
+++ b/media/libmedia/AudioTrack.cpp
@@ -128,22 +128,21 @@
        return NO_INIT;
     }
     int afSampleRate;
-    if (AudioSystem::getOutputSamplingRate(&afSampleRate) != NO_ERROR) {
+    if (AudioSystem::getOutputSamplingRate(&afSampleRate, streamType) != NO_ERROR) {
         return NO_INIT;
     }
     int afFrameCount;
-    if (AudioSystem::getOutputFrameCount(&afFrameCount) != NO_ERROR) {
+    if (AudioSystem::getOutputFrameCount(&afFrameCount, streamType) != NO_ERROR) {
         return NO_INIT;
     }
     uint32_t afLatency;
-    if (AudioSystem::getOutputLatency(&afLatency) != NO_ERROR) {
+    if (AudioSystem::getOutputLatency(&afLatency, streamType) != NO_ERROR) {
         return NO_INIT;
     }
 
-
     // handle default values first.
-    if (streamType == DEFAULT) {
-        streamType = MUSIC;
+    if (streamType == AudioSystem::DEFAULT) {
+        streamType = AudioSystem::MUSIC;
     }
     if (sampleRate == 0) {
         sampleRate = afSampleRate;
@@ -260,7 +259,7 @@
     mMarkerPosition = 0;
     mNewPosition = 0;
     mUpdatePeriod = 0;
-    
+
     return NO_ERROR;
 }
 
@@ -434,7 +433,7 @@
 {
     int afSamplingRate;
 
-    if (AudioSystem::getOutputSamplingRate(&afSamplingRate) != NO_ERROR) {
+    if (AudioSystem::getOutputSamplingRate(&afSamplingRate, mStreamType) != NO_ERROR) {
         return;
     }
     // Resampler implementation limits input sampling rate to 2 x output sampling rate.
diff --git a/media/libmedia/IAudioFlinger.cpp b/media/libmedia/IAudioFlinger.cpp
index 4215820..5cbb25c 100644
--- a/media/libmedia/IAudioFlinger.cpp
+++ b/media/libmedia/IAudioFlinger.cpp
@@ -53,7 +53,8 @@
     SET_PARAMETER,
     REGISTER_CLIENT,
     GET_INPUTBUFFERSIZE,
-    WAKE_UP
+    WAKE_UP,
+    IS_A2DP_ENABLED
 };
 
 class BpAudioFlinger : public BpInterface<IAudioFlinger>
@@ -123,42 +124,47 @@
         return interface_cast<IAudioRecord>(reply.readStrongBinder());
     }
 
-    virtual uint32_t sampleRate() const
+    virtual uint32_t sampleRate(int output) const
     {
         Parcel data, reply;
         data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
+        data.writeInt32(output);
         remote()->transact(SAMPLE_RATE, data, &reply);
         return reply.readInt32();
     }
 
-    virtual int channelCount() const
+    virtual int channelCount(int output) const
     {
         Parcel data, reply;
         data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
+        data.writeInt32(output);
         remote()->transact(CHANNEL_COUNT, data, &reply);
         return reply.readInt32();
     }
 
-    virtual int format() const
+    virtual int format(int output) const
     {
         Parcel data, reply;
         data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
+        data.writeInt32(output);
         remote()->transact(FORMAT, data, &reply);
         return reply.readInt32();
     }
 
-    virtual size_t frameCount() const
+    virtual size_t frameCount(int output) const
     {
         Parcel data, reply;
         data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
+        data.writeInt32(output);
         remote()->transact(FRAME_COUNT, data, &reply);
         return reply.readInt32();
     }
 
-    virtual uint32_t latency() const
+    virtual uint32_t latency(int output) const
     {
         Parcel data, reply;
         data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
+        data.writeInt32(output);
         remote()->transact(LATENCY, data, &reply);
         return reply.readInt32();
     }
@@ -333,6 +339,14 @@
         remote()->transact(WAKE_UP, data, &reply);
         return;
     }
+
+    virtual bool isA2dpEnabled() const
+    {
+        Parcel data, reply;
+        data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
+        remote()->transact(IS_A2DP_ENABLED, data, &reply);
+        return (bool)reply.readInt32();
+    }
 };
 
 IMPLEMENT_META_INTERFACE(AudioFlinger, "android.media.IAudioFlinger");
@@ -385,27 +399,32 @@
         } break;
         case SAMPLE_RATE: {
             CHECK_INTERFACE(IAudioFlinger, data, reply);
-            reply->writeInt32( sampleRate() );
+            int output = data.readInt32();
+            reply->writeInt32( sampleRate(output) );
             return NO_ERROR;
         } break;
         case CHANNEL_COUNT: {
             CHECK_INTERFACE(IAudioFlinger, data, reply);
-            reply->writeInt32( channelCount() );
+            int output = data.readInt32();
+            reply->writeInt32( channelCount(output) );
             return NO_ERROR;
         } break;
         case FORMAT: {
             CHECK_INTERFACE(IAudioFlinger, data, reply);
-            reply->writeInt32( format() );
+            int output = data.readInt32();
+            reply->writeInt32( format(output) );
             return NO_ERROR;
         } break;
         case FRAME_COUNT: {
             CHECK_INTERFACE(IAudioFlinger, data, reply);
-            reply->writeInt32( frameCount() );
+            int output = data.readInt32();
+            reply->writeInt32( frameCount(output) );
             return NO_ERROR;
         } break;
         case LATENCY: {
             CHECK_INTERFACE(IAudioFlinger, data, reply);
-            reply->writeInt32( latency() );
+            int output = data.readInt32();
+            reply->writeInt32( latency(output) );
             return NO_ERROR;
         } break;
          case SET_MASTER_VOLUME: {
@@ -519,7 +538,11 @@
             wakeUp();
             return NO_ERROR;
         } break;
-
+        case IS_A2DP_ENABLED: {
+            CHECK_INTERFACE(IAudioFlinger, data, reply);
+            reply->writeInt32( (int)isA2dpEnabled() );
+            return NO_ERROR;
+        } break;
         default:
             return BBinder::onTransact(code, data, reply, flags);
     }
diff --git a/media/libmedia/IAudioFlingerClient.cpp b/media/libmedia/IAudioFlingerClient.cpp
index d956266..5feb11f 100644
--- a/media/libmedia/IAudioFlingerClient.cpp
+++ b/media/libmedia/IAudioFlingerClient.cpp
@@ -38,13 +38,11 @@
     {
     }
 
-    void audioOutputChanged(uint32_t frameCount, uint32_t samplingRate, uint32_t latency)
+    void a2dpEnabledChanged(bool enabled)
     {
         Parcel data, reply;
         data.writeInterfaceToken(IAudioFlingerClient::getInterfaceDescriptor());
-        data.writeInt32(frameCount);
-        data.writeInt32(samplingRate);
-        data.writeInt32(latency);
+        data.writeInt32((int)enabled);
         remote()->transact(AUDIO_OUTPUT_CHANGED, data, &reply);
     }
 };
@@ -65,10 +63,8 @@
     switch(code) {
         case AUDIO_OUTPUT_CHANGED: {
             CHECK_INTERFACE(IAudioFlingerClient, data, reply);
-            uint32_t frameCount = data.readInt32();
-            uint32_t samplingRate = data.readInt32();
-            uint32_t latency = data.readInt32();
-            audioOutputChanged(frameCount, samplingRate, latency);
+            bool enabled = (bool)data.readInt32();
+            a2dpEnabledChanged(enabled);
             return NO_ERROR;
         } break;
         default:
diff --git a/media/libmedia/IMediaRecorder.cpp b/media/libmedia/IMediaRecorder.cpp
index 1f6d599..507d03e 100644
--- a/media/libmedia/IMediaRecorder.cpp
+++ b/media/libmedia/IMediaRecorder.cpp
@@ -39,7 +39,8 @@
     SET_OUTPUT_FORMAT,
     SET_VIDEO_ENCODER,
     SET_AUDIO_ENCODER,
-    SET_OUTPUT_FILE,
+    SET_OUTPUT_FILE_PATH,
+    SET_OUTPUT_FILE_FD,
     SET_VIDEO_SIZE,
     SET_VIDEO_FRAMERATE,
     SET_PREVIEW_SURFACE,
@@ -139,7 +140,18 @@
         Parcel data, reply;
         data.writeInterfaceToken(IMediaRecorder::getInterfaceDescriptor());
         data.writeCString(path);
-        remote()->transact(SET_OUTPUT_FILE, data, &reply);
+        remote()->transact(SET_OUTPUT_FILE_PATH, data, &reply);
+        return reply.readInt32();
+    }
+
+    status_t setOutputFile(int fd, int64_t offset, int64_t length) {
+        LOGV("setOutputFile(%d, %lld, %lld)", fd, offset, length);
+        Parcel data, reply;
+        data.writeInterfaceToken(IMediaRecorder::getInterfaceDescriptor());
+        data.writeFileDescriptor(fd);
+        data.writeInt64(offset);
+        data.writeInt64(length);
+        remote()->transact(SET_OUTPUT_FILE_FD, data, &reply);
         return reply.readInt32();
     }
 
@@ -330,13 +342,22 @@
             return NO_ERROR;
 
         } break;
-        case SET_OUTPUT_FILE: {
-            LOGV("SET_OUTPUT_FILE");
+        case SET_OUTPUT_FILE_PATH: {
+            LOGV("SET_OUTPUT_FILE_PATH");
             CHECK_INTERFACE(IMediaRecorder, data, reply);
             const char* path = data.readCString();
             reply->writeInt32(setOutputFile(path));
             return NO_ERROR;
         } break;
+        case SET_OUTPUT_FILE_FD: {
+            LOGV("SET_OUTPUT_FILE_FD");
+            CHECK_INTERFACE(IMediaRecorder, data, reply);
+            int fd = dup(data.readFileDescriptor());
+            int64_t offset = data.readInt64();
+            int64_t length = data.readInt64();
+            reply->writeInt32(setOutputFile(fd, offset, length));
+            return NO_ERROR;
+        } break;
         case SET_VIDEO_SIZE: {
             LOGV("SET_VIDEO_SIZE");
             CHECK_INTERFACE(IMediaRecorder, data, reply);
diff --git a/media/libmedia/JetPlayer.cpp b/media/libmedia/JetPlayer.cpp
index ead24d4..9bd75c2 100644
--- a/media/libmedia/JetPlayer.cpp
+++ b/media/libmedia/JetPlayer.cpp
@@ -96,7 +96,7 @@
 
     // create the output AudioTrack
     mAudioTrack = new AudioTrack();
-    mAudioTrack->set(AudioTrack::MUSIC,  //TODO parametrize this
+    mAudioTrack->set(AudioSystem::MUSIC,  //TODO parametrize this
             pLibConfig->sampleRate,
             1, // format = PCM 16bits per sample,
             pLibConfig->numChannels,
diff --git a/media/libmedia/ToneGenerator.cpp b/media/libmedia/ToneGenerator.cpp
index fa36460..7fafc56 100644
--- a/media/libmedia/ToneGenerator.cpp
+++ b/media/libmedia/ToneGenerator.cpp
@@ -93,7 +93,7 @@
 
     mState = TONE_IDLE;
 
-    if (AudioSystem::getOutputSamplingRate(&mSamplingRate) != NO_ERROR) {
+    if (AudioSystem::getOutputSamplingRate(&mSamplingRate, streamType) != NO_ERROR) {
         LOGE("Unable to marshal AudioFlinger");
         return;
     }
@@ -182,7 +182,7 @@
             mLock.lock();
             if (mState == TONE_STARTING) {
                 if (mWaitCbkCond.waitRelative(mLock, seconds(1)) != NO_ERROR) {
-                    LOGE("--- timed out");
+                    LOGE("--- Immediate start timed out");
                     mState = TONE_IDLE;
                 }
             }
@@ -200,7 +200,7 @@
             }
             LOGV("cond received");
         } else {
-            LOGE("--- timed out");
+            LOGE("--- Delayed start timed out");
             mState = TONE_IDLE;
         }
     }
@@ -235,7 +235,7 @@
         if (lStatus == NO_ERROR) {
             LOGV("track stop complete, time %d", (unsigned int)(systemTime()/1000000));
         } else {
-            LOGE("--- timed out");
+            LOGE("--- Stop timed out");
             mState = TONE_IDLE;
             mpAudioTrack->stop();
         }
diff --git a/media/libmedia/mediaplayer.cpp b/media/libmedia/mediaplayer.cpp
index 31ff507..bd8579c 100644
--- a/media/libmedia/mediaplayer.cpp
+++ b/media/libmedia/mediaplayer.cpp
@@ -82,7 +82,7 @@
     mListener = NULL;
     mCookie = NULL;
     mDuration = -1;
-    mStreamType = AudioTrack::MUSIC;
+    mStreamType = AudioSystem::MUSIC;
     mCurrentPosition = -1;
     mSeekPosition = -1;
     mCurrentState = MEDIA_PLAYER_IDLE;
diff --git a/media/libmedia/mediarecorder.cpp b/media/libmedia/mediarecorder.cpp
index 6ee4c0d..4ab26ac 100644
--- a/media/libmedia/mediarecorder.cpp
+++ b/media/libmedia/mediarecorder.cpp
@@ -248,7 +248,33 @@
 
     status_t ret = mMediaRecorder->setOutputFile(path);
     if (OK != ret) {
-        LOGV("setAudioEncoder failed: %d", ret);
+        LOGV("setOutputFile failed: %d", ret);
+        mCurrentState = MEDIA_RECORDER_ERROR;
+        return UNKNOWN_ERROR;
+    }
+    mIsOutputFileSet = true;
+    return ret;
+}
+
+status_t MediaRecorder::setOutputFile(int fd, int64_t offset, int64_t length)
+{
+    LOGV("setOutputFile(%d, %lld, %lld)", fd, offset, length);
+    if(mMediaRecorder == NULL) {
+        LOGE("media recorder is not initialized yet");
+        return INVALID_OPERATION;
+    }
+    if (mIsOutputFileSet) {
+        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->setOutputFile(fd, offset, length);
+    if (OK != ret) {
+        LOGV("setOutputFile failed: %d", ret);
         mCurrentState = MEDIA_RECORDER_ERROR;
         return UNKNOWN_ERROR;
     }
@@ -306,7 +332,7 @@
         return INVALID_OPERATION;
     }
     if (!(mCurrentState & MEDIA_RECORDER_DATASOURCE_CONFIGURED)) {
-        LOGE("setVideoFrameRate called in an invalid state: %d", mCurrentState);
+        LOGE("prepare called in an invalid state: %d", mCurrentState);
         return INVALID_OPERATION;
     }
 
@@ -328,7 +354,7 @@
         return INVALID_OPERATION;
     }
     if (mCurrentState & MEDIA_RECORDER_ERROR) {
-        LOGE("setVideoFrameRate called in an invalid state: %d", mCurrentState);
+        LOGE("getMaxAmplitude called in an invalid state: %d", mCurrentState);
         return INVALID_OPERATION;
     }