diff --git a/media/libaudiohal/StreamHalLocal.cpp b/media/libaudiohal/StreamHalLocal.cpp
new file mode 100644
index 0000000..cd97cc8
--- /dev/null
+++ b/media/libaudiohal/StreamHalLocal.cpp
@@ -0,0 +1,257 @@
+/*
+ * Copyright (C) 2016 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_TAG "StreamHalLocal"
+//#define LOG_NDEBUG 0
+
+#include <utils/Log.h>
+
+#include "DeviceHalLocal.h"
+#include "EffectHalLocal.h"
+#include "StreamHalLocal.h"
+
+namespace android {
+
+StreamHalLocal::StreamHalLocal(audio_stream_t *stream, sp<DeviceHalLocal> device)
+        : mDevice(device), mStream(stream) {
+}
+
+StreamHalLocal::~StreamHalLocal() {
+    mStream = 0;
+    mDevice.clear();
+}
+
+status_t StreamHalLocal::getSampleRate(uint32_t *rate) {
+    *rate = mStream->get_sample_rate(mStream);
+    return OK;
+}
+
+status_t StreamHalLocal::getBufferSize(size_t *size) {
+    *size = mStream->get_buffer_size(mStream);
+    return OK;
+}
+
+status_t StreamHalLocal::getChannelMask(audio_channel_mask_t *mask) {
+    *mask = mStream->get_channels(mStream);
+    return OK;
+}
+
+status_t StreamHalLocal::getFormat(audio_format_t *format) {
+    *format = mStream->get_format(mStream);
+    return OK;
+}
+
+status_t StreamHalLocal::getAudioProperties(
+        uint32_t *sampleRate, audio_channel_mask_t *mask, audio_format_t *format) {
+    *sampleRate = mStream->get_sample_rate(mStream);
+    *mask = mStream->get_channels(mStream);
+    *format = mStream->get_format(mStream);
+    return OK;
+}
+
+status_t StreamHalLocal::setParameters(const String8& kvPairs) {
+    return mStream->set_parameters(mStream, kvPairs.string());
+}
+
+status_t StreamHalLocal::getParameters(const String8& keys, String8 *values) {
+    char *halValues = mStream->get_parameters(mStream, keys.string());
+    if (halValues != NULL) {
+        values->setTo(halValues);
+        free(halValues);
+    } else {
+        values->clear();
+    }
+    return OK;
+}
+
+status_t StreamHalLocal::addEffect(sp<EffectHalInterface> effect) {
+    return mStream->add_audio_effect(mStream,
+            static_cast<EffectHalLocal*>(effect.get())->handle());
+}
+
+status_t StreamHalLocal::removeEffect(sp<EffectHalInterface> effect) {
+    return mStream->remove_audio_effect(mStream,
+            static_cast<EffectHalLocal*>(effect.get())->handle());
+}
+
+status_t StreamHalLocal::standby() {
+    return mStream->standby(mStream);
+}
+
+status_t StreamHalLocal::dump(int fd) {
+    return mStream->dump(mStream, fd);
+}
+
+StreamOutHalLocal::StreamOutHalLocal(audio_stream_out_t *stream, sp<DeviceHalLocal> device)
+        : StreamHalLocal(&stream->common, device), mStream(stream) {
+}
+
+StreamOutHalLocal::~StreamOutHalLocal() {
+    mCallback.clear();
+    mDevice->closeOutputStream(mStream);
+    mStream = 0;
+}
+
+status_t StreamOutHalLocal::getFrameSize(size_t *size) {
+    *size = audio_stream_out_frame_size(mStream);
+    return OK;
+}
+
+status_t StreamOutHalLocal::getLatency(uint32_t *latency) {
+    *latency = mStream->get_latency(mStream);
+    return OK;
+}
+
+status_t StreamOutHalLocal::setVolume(float left, float right) {
+    if (mStream->set_volume == NULL) return INVALID_OPERATION;
+    return mStream->set_volume(mStream, left, right);
+}
+
+status_t StreamOutHalLocal::write(const void *buffer, size_t bytes, size_t *written) {
+    ssize_t writeResult = mStream->write(mStream, buffer, bytes);
+    if (writeResult > 0) {
+        *written = writeResult;
+        return OK;
+    } else {
+        *written = 0;
+        return writeResult;
+    }
+}
+
+status_t StreamOutHalLocal::getRenderPosition(uint32_t *dspFrames) {
+    return mStream->get_render_position(mStream, dspFrames);
+}
+
+status_t StreamOutHalLocal::getNextWriteTimestamp(int64_t *timestamp) {
+    if (mStream->get_next_write_timestamp == NULL) return INVALID_OPERATION;
+    return mStream->get_next_write_timestamp(mStream, timestamp);
+}
+
+status_t StreamOutHalLocal::setCallback(sp<StreamOutHalInterfaceCallback> callback) {
+    if (mStream->set_callback == NULL) return INVALID_OPERATION;
+    status_t result = mStream->set_callback(mStream, StreamOutHalLocal::asyncCallback, this);
+    if (result == OK) {
+        mCallback = callback;
+    }
+    return result;
+}
+
+// static
+int StreamOutHalLocal::asyncCallback(stream_callback_event_t event, void*, void *cookie) {
+    // We act as if we gave a wp<StreamOutHalLocal> to HAL. This way we should handle
+    // correctly the case when the callback is invoked while StreamOutHalLocal's destructor is
+    // already running, because the destructor is invoked after the refcount has been atomically
+    // decremented.
+    wp<StreamOutHalLocal> weakSelf(reinterpret_cast<StreamOutHalLocal*>(cookie));
+    sp<StreamOutHalLocal> self = weakSelf.promote();
+    if (self == 0) return 0;
+    sp<StreamOutHalInterfaceCallback> callback = self->mCallback.promote();
+    if (callback == 0) return 0;
+    ALOGV("asyncCallback() event %d", event);
+    switch (event) {
+        case STREAM_CBK_EVENT_WRITE_READY:
+            callback->onWriteReady();
+            break;
+        case STREAM_CBK_EVENT_DRAIN_READY:
+            callback->onDrainReady();
+            break;
+        case STREAM_CBK_EVENT_ERROR:
+            callback->onError();
+            break;
+        default:
+            ALOGW("asyncCallback() unknown event %d", event);
+            break;
+    }
+    return 0;
+}
+
+status_t StreamOutHalLocal::supportsPauseAndResume(bool *supportsPause, bool *supportsResume) {
+    *supportsPause = mStream->pause != NULL;
+    *supportsResume = mStream->resume != NULL;
+    return OK;
+}
+
+status_t StreamOutHalLocal::pause() {
+    if (mStream->pause == NULL) return INVALID_OPERATION;
+    return mStream->pause(mStream);
+}
+
+status_t StreamOutHalLocal::resume() {
+    if (mStream->resume == NULL) return INVALID_OPERATION;
+    return mStream->resume(mStream);
+}
+
+status_t StreamOutHalLocal::supportsDrain(bool *supportsDrain) {
+    *supportsDrain = mStream->drain != NULL;
+    return OK;
+}
+
+status_t StreamOutHalLocal::drain(audio_drain_type_t type) {
+    if (mStream->drain == NULL) return INVALID_OPERATION;
+    return mStream->drain(mStream, type);
+}
+
+status_t StreamOutHalLocal::flush() {
+    if (mStream->flush == NULL) return INVALID_OPERATION;
+    return mStream->flush(mStream);
+}
+
+status_t StreamOutHalLocal::getPresentationPosition(uint64_t *frames, struct timespec *timestamp) {
+    if (mStream->get_presentation_position == NULL) return INVALID_OPERATION;
+    return mStream->get_presentation_position(mStream, frames, timestamp);
+}
+
+
+StreamInHalLocal::StreamInHalLocal(audio_stream_in_t *stream, sp<DeviceHalLocal> device)
+        : StreamHalLocal(&stream->common, device), mStream(stream) {
+}
+
+StreamInHalLocal::~StreamInHalLocal() {
+    mDevice->closeInputStream(mStream);
+    mStream = 0;
+}
+
+status_t StreamInHalLocal::getFrameSize(size_t *size) {
+    *size = audio_stream_in_frame_size(mStream);
+    return OK;
+}
+
+status_t StreamInHalLocal::setGain(float gain) {
+    return mStream->set_gain(mStream, gain);
+}
+
+status_t StreamInHalLocal::read(void *buffer, size_t bytes, size_t *read) {
+    ssize_t readResult = mStream->read(mStream, buffer, bytes);
+    if (readResult > 0) {
+        *read = readResult;
+        return OK;
+    } else {
+        *read = 0;
+        return readResult;
+    }
+}
+
+status_t StreamInHalLocal::getInputFramesLost(uint32_t *framesLost) {
+    *framesLost = mStream->get_input_frames_lost(mStream);
+    return OK;
+}
+
+status_t StreamInHalLocal::getCapturePosition(int64_t *frames, int64_t *time) {
+    if (mStream->get_capture_position == NULL) return INVALID_OPERATION;
+    return mStream->get_capture_position(mStream, frames, time);
+}
+
+} // namespace android