Remove local and hybrid HALs

Those aren't used anymore.

Test: m
Change-Id: I2cf326f042d7ada195cc246c3547c8825a92ab98
diff --git a/media/libaudiohal/impl/Android.bp b/media/libaudiohal/impl/Android.bp
index ed7e50b..f40aa17 100644
--- a/media/libaudiohal/impl/Android.bp
+++ b/media/libaudiohal/impl/Android.bp
@@ -10,12 +10,8 @@
 filegroup {
     name: "audio_core_hal_client_sources",
     srcs: [
-        "DeviceHalLocal.cpp",
-        "DevicesFactoryHalHybrid.cpp",
-        "DevicesFactoryHalLocal.cpp",
         "DeviceHalHidl.cpp",
         "DevicesFactoryHalHidl.cpp",
-        "StreamHalLocal.cpp",
         "StreamHalHidl.cpp",
     ],
 }
diff --git a/media/libaudiohal/impl/DeviceHalLocal.cpp b/media/libaudiohal/impl/DeviceHalLocal.cpp
deleted file mode 100644
index e473e41..0000000
--- a/media/libaudiohal/impl/DeviceHalLocal.cpp
+++ /dev/null
@@ -1,256 +0,0 @@
-/*
- * 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 "DeviceHalLocal"
-//#define LOG_NDEBUG 0
-
-#include <media/AudioParameter.h>
-#include <utils/Log.h>
-
-#include "DeviceHalLocal.h"
-#include "StreamHalLocal.h"
-
-namespace android {
-
-DeviceHalLocal::DeviceHalLocal(audio_hw_device_t *dev)
-        : mDev(dev) {
-}
-
-DeviceHalLocal::~DeviceHalLocal() {
-    int status = audio_hw_device_close(mDev);
-    ALOGW_IF(status, "Error closing audio hw device %p: %s", mDev, strerror(-status));
-    mDev = 0;
-}
-
-status_t DeviceHalLocal::getSupportedDevices(uint32_t *devices) {
-    if (mDev->get_supported_devices == NULL) return INVALID_OPERATION;
-    *devices = mDev->get_supported_devices(mDev);
-    return OK;
-}
-
-status_t DeviceHalLocal::initCheck() {
-    return mDev->init_check(mDev);
-}
-
-status_t DeviceHalLocal::setVoiceVolume(float volume) {
-    return mDev->set_voice_volume(mDev, volume);
-}
-
-status_t DeviceHalLocal::setMasterVolume(float volume) {
-    if (mDev->set_master_volume == NULL) return INVALID_OPERATION;
-    return mDev->set_master_volume(mDev, volume);
-}
-
-status_t DeviceHalLocal::getMasterVolume(float *volume) {
-    if (mDev->get_master_volume == NULL) return INVALID_OPERATION;
-    return mDev->get_master_volume(mDev, volume);
-}
-
-status_t DeviceHalLocal::setMode(audio_mode_t mode) {
-    return mDev->set_mode(mDev, mode);
-}
-
-status_t DeviceHalLocal::setMicMute(bool state) {
-    return mDev->set_mic_mute(mDev, state);
-}
-
-status_t DeviceHalLocal::getMicMute(bool *state) {
-    return mDev->get_mic_mute(mDev, state);
-}
-
-status_t DeviceHalLocal::setMasterMute(bool state) {
-    if (mDev->set_master_mute == NULL) return INVALID_OPERATION;
-    return mDev->set_master_mute(mDev, state);
-}
-
-status_t DeviceHalLocal::getMasterMute(bool *state) {
-    if (mDev->get_master_mute == NULL) return INVALID_OPERATION;
-    return mDev->get_master_mute(mDev, state);
-}
-
-status_t DeviceHalLocal::setParameters(const String8& kvPairs) {
-    return mDev->set_parameters(mDev, kvPairs.string());
-}
-
-status_t DeviceHalLocal::getParameters(const String8& keys, String8 *values) {
-    char *halValues = mDev->get_parameters(mDev, keys.string());
-    if (halValues != NULL) {
-        values->setTo(halValues);
-        free(halValues);
-    } else {
-        values->clear();
-    }
-    return OK;
-}
-
-status_t DeviceHalLocal::getInputBufferSize(
-        const struct audio_config *config, size_t *size) {
-    *size = mDev->get_input_buffer_size(mDev, config);
-    return OK;
-}
-
-status_t DeviceHalLocal::openOutputStream(
-        audio_io_handle_t handle,
-        audio_devices_t deviceType,
-        audio_output_flags_t flags,
-        struct audio_config *config,
-        const char *address,
-        sp<StreamOutHalInterface> *outStream) {
-    audio_stream_out_t *halStream;
-    ALOGV("open_output_stream handle: %d devices: %x flags: %#x"
-            "srate: %d format %#x channels %x address %s",
-            handle, deviceType, flags,
-            config->sample_rate, config->format, config->channel_mask,
-            address);
-    int openResut = mDev->open_output_stream(
-            mDev, handle, deviceType, flags, config, &halStream, address);
-    if (openResut == OK) {
-        *outStream = new StreamOutHalLocal(halStream, this);
-    }
-    ALOGV("open_output_stream status %d stream %p", openResut, halStream);
-    return openResut;
-}
-
-status_t DeviceHalLocal::openInputStream(
-        audio_io_handle_t handle,
-        audio_devices_t devices,
-        struct audio_config *config,
-        audio_input_flags_t flags,
-        const char *address,
-        audio_source_t source,
-        audio_devices_t /*outputDevice*/,
-        const char */*outputDeviceAddress*/,
-        sp<StreamInHalInterface> *inStream) {
-    audio_stream_in_t *halStream;
-    ALOGV("open_input_stream handle: %d devices: %x flags: %#x "
-            "srate: %d format %#x channels %x address %s source %d",
-            handle, devices, flags,
-            config->sample_rate, config->format, config->channel_mask,
-            address, source);
-    int openResult = mDev->open_input_stream(
-            mDev, handle, devices, config, &halStream, flags, address, source);
-    if (openResult == OK) {
-        *inStream = new StreamInHalLocal(halStream, this);
-    }
-    ALOGV("open_input_stream status %d stream %p", openResult, inStream);
-    return openResult;
-}
-
-status_t DeviceHalLocal::supportsAudioPatches(bool *supportsPatches) {
-    *supportsPatches = version() >= AUDIO_DEVICE_API_VERSION_3_0;
-    return OK;
-}
-
-status_t DeviceHalLocal::createAudioPatch(
-        unsigned int num_sources,
-        const struct audio_port_config *sources,
-        unsigned int num_sinks,
-        const struct audio_port_config *sinks,
-        audio_patch_handle_t *patch) {
-    if (version() >= AUDIO_DEVICE_API_VERSION_3_0) {
-        return mDev->create_audio_patch(
-                mDev, num_sources, sources, num_sinks, sinks, patch);
-    } else {
-        return INVALID_OPERATION;
-    }
-}
-
-status_t DeviceHalLocal::releaseAudioPatch(audio_patch_handle_t patch) {
-    if (version() >= AUDIO_DEVICE_API_VERSION_3_0) {
-        return mDev->release_audio_patch(mDev, patch);
-    } else {
-        return INVALID_OPERATION;
-    }
-}
-
-status_t DeviceHalLocal::getAudioPort(struct audio_port *port) {
-    return mDev->get_audio_port(mDev, port);
-}
-
-status_t DeviceHalLocal::getAudioPort(struct audio_port_v7 *port) {
-#if MAJOR_VERSION >= 7
-    if (version() >= AUDIO_DEVICE_API_VERSION_3_2) {
-        // get_audio_port_v7 is mandatory if legacy HAL support this API version.
-        return mDev->get_audio_port_v7(mDev, port);
-    }
-#endif
-    struct audio_port audioPort = {};
-    audio_populate_audio_port(port, &audioPort);
-    status_t status = getAudioPort(&audioPort);
-    if (status == NO_ERROR) {
-        audio_populate_audio_port_v7(&audioPort, port);
-    }
-    return status;
-}
-
-status_t DeviceHalLocal::setAudioPortConfig(const struct audio_port_config *config) {
-    if (version() >= AUDIO_DEVICE_API_VERSION_3_0)
-        return mDev->set_audio_port_config(mDev, config);
-    else
-        return INVALID_OPERATION;
-}
-
-#if MAJOR_VERSION == 2
-status_t DeviceHalLocal::getMicrophones(
-        std::vector<media::MicrophoneInfo> *microphones __unused) {
-    return INVALID_OPERATION;
-}
-#elif MAJOR_VERSION >= 4
-status_t DeviceHalLocal::getMicrophones(std::vector<media::MicrophoneInfo> *microphones) {
-    if (mDev->get_microphones == NULL) return INVALID_OPERATION;
-    size_t actual_mics = AUDIO_MICROPHONE_MAX_COUNT;
-    audio_microphone_characteristic_t mic_array[AUDIO_MICROPHONE_MAX_COUNT];
-    status_t status = mDev->get_microphones(mDev, &mic_array[0], &actual_mics);
-    for (size_t i = 0; i < actual_mics; i++) {
-        media::MicrophoneInfo microphoneInfo = media::MicrophoneInfo(mic_array[i]);
-        microphones->push_back(microphoneInfo);
-    }
-    return status;
-}
-#endif
-
-// Local HAL implementation does not support effects
-status_t DeviceHalLocal::addDeviceEffect(
-        audio_port_handle_t device __unused, sp<EffectHalInterface> effect __unused) {
-    return INVALID_OPERATION;
-}
-
-status_t DeviceHalLocal::removeDeviceEffect(
-        audio_port_handle_t device __unused, sp<EffectHalInterface> effect __unused) {
-    return INVALID_OPERATION;
-}
-
-status_t DeviceHalLocal::setConnectedState(const struct audio_port_v7 *port, bool connected) {
-    AudioParameter param(String8(port->ext.device.address));
-    const String8 key(connected ?
-            AudioParameter::keyDeviceConnect : AudioParameter::keyDeviceDisconnect);
-    param.addInt(key, port->ext.device.type);
-    return setParameters(param.toString());
-}
-
-status_t DeviceHalLocal::dump(int fd, const Vector<String16>& /* args */) {
-    return mDev->dump(mDev, fd);
-}
-
-void DeviceHalLocal::closeOutputStream(struct audio_stream_out *stream_out) {
-    mDev->close_output_stream(mDev, stream_out);
-}
-
-void DeviceHalLocal::closeInputStream(struct audio_stream_in *stream_in) {
-    mDev->close_input_stream(mDev, stream_in);
-}
-
-} // namespace android
diff --git a/media/libaudiohal/impl/DeviceHalLocal.h b/media/libaudiohal/impl/DeviceHalLocal.h
deleted file mode 100644
index 3e586cf..0000000
--- a/media/libaudiohal/impl/DeviceHalLocal.h
+++ /dev/null
@@ -1,154 +0,0 @@
-/*
- * 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.
- */
-
-#ifndef ANDROID_HARDWARE_DEVICE_HAL_LOCAL_H
-#define ANDROID_HARDWARE_DEVICE_HAL_LOCAL_H
-
-#include <hardware/audio.h>
-#include <media/audiohal/DeviceHalInterface.h>
-
-namespace android {
-
-class DeviceHalLocal : public DeviceHalInterface
-{
-  public:
-    // Sets the value of 'devices' to a bitmask of 1 or more values of audio_devices_t.
-    virtual status_t getSupportedDevices(uint32_t *devices);
-
-    // Check to see if the audio hardware interface has been initialized.
-    virtual status_t initCheck();
-
-    // Set the audio volume of a voice call. Range is between 0.0 and 1.0.
-    virtual status_t setVoiceVolume(float volume);
-
-    // Set the audio volume for all audio activities other than voice call.
-    virtual status_t setMasterVolume(float volume);
-
-    // Get the current master volume value for the HAL.
-    virtual status_t getMasterVolume(float *volume);
-
-    // Called when the audio mode changes.
-    virtual status_t setMode(audio_mode_t mode);
-
-    // Muting control.
-    virtual status_t setMicMute(bool state);
-    virtual status_t getMicMute(bool *state);
-    virtual status_t setMasterMute(bool state);
-    virtual status_t getMasterMute(bool *state);
-
-    // Set global audio parameters.
-    virtual status_t setParameters(const String8& kvPairs);
-
-    // Get global audio parameters.
-    virtual status_t getParameters(const String8& keys, String8 *values);
-
-    // Returns audio input buffer size according to parameters passed.
-    virtual status_t getInputBufferSize(const struct audio_config *config,
-            size_t *size);
-
-    // Creates and opens the audio hardware output stream. The stream is closed
-    // by releasing all references to the returned object.
-    virtual status_t openOutputStream(
-            audio_io_handle_t handle,
-            audio_devices_t devices,
-            audio_output_flags_t flags,
-            struct audio_config *config,
-            const char *address,
-            sp<StreamOutHalInterface> *outStream);
-
-    // Creates and opens the audio hardware input stream. The stream is closed
-    // by releasing all references to the returned object.
-    virtual status_t openInputStream(
-            audio_io_handle_t handle,
-            audio_devices_t devices,
-            struct audio_config *config,
-            audio_input_flags_t flags,
-            const char *address,
-            audio_source_t source,
-            audio_devices_t outputDevice,
-            const char *outputDeviceAddress,
-            sp<StreamInHalInterface> *inStream);
-
-    // Returns whether createAudioPatch and releaseAudioPatch operations are supported.
-    virtual status_t supportsAudioPatches(bool *supportsPatches);
-
-    // Creates an audio patch between several source and sink ports.
-    virtual status_t createAudioPatch(
-            unsigned int num_sources,
-            const struct audio_port_config *sources,
-            unsigned int num_sinks,
-            const struct audio_port_config *sinks,
-            audio_patch_handle_t *patch);
-
-    // Releases an audio patch.
-    virtual status_t releaseAudioPatch(audio_patch_handle_t patch);
-
-    // Fills the list of supported attributes for a given audio port.
-    virtual status_t getAudioPort(struct audio_port *port);
-
-    // Fills the list of supported attributes for a given audio port.
-    virtual status_t getAudioPort(struct audio_port_v7 *port);
-
-    // Set audio port configuration.
-    virtual status_t setAudioPortConfig(const struct audio_port_config *config);
-
-    // List microphones
-    virtual status_t getMicrophones(std::vector<media::MicrophoneInfo> *microphones);
-
-    status_t addDeviceEffect(audio_port_handle_t device, sp<EffectHalInterface> effect) override;
-    status_t removeDeviceEffect(audio_port_handle_t device, sp<EffectHalInterface> effect) override;
-
-    status_t getMmapPolicyInfos(
-            media::audio::common::AudioMMapPolicyType policyType __unused,
-            std::vector<media::audio::common::AudioMMapPolicyInfo> *policyInfos __unused) override {
-        // This function will only be available on AIDL HAL.
-        return INVALID_OPERATION;
-    }
-
-    int32_t getAAudioMixerBurstCount() override {
-        // This function will only be available on AIDL HAL.
-        return INVALID_OPERATION;
-    }
-
-    int32_t getAAudioHardwareBurstMinUsec() override {
-        // This function will only be available on AIDL HAL.
-        return INVALID_OPERATION;
-    }
-
-    status_t setConnectedState(const struct audio_port_v7 *port, bool connected) override;
-
-    status_t dump(int fd, const Vector<String16>& args) override;
-
-    void closeOutputStream(struct audio_stream_out *stream_out);
-    void closeInputStream(struct audio_stream_in *stream_in);
-
-    uint32_t version() const { return mDev->common.version; }
-
-  private:
-    audio_hw_device_t *mDev;
-
-    friend class DevicesFactoryHalLocal;
-
-    // Can not be constructed directly by clients.
-    explicit DeviceHalLocal(audio_hw_device_t *dev);
-
-    // The destructor automatically closes the device.
-    virtual ~DeviceHalLocal();
-};
-
-} // namespace android
-
-#endif // ANDROID_HARDWARE_DEVICE_HAL_LOCAL_H
diff --git a/media/libaudiohal/impl/DevicesFactoryHalHidl.cpp b/media/libaudiohal/impl/DevicesFactoryHalHidl.cpp
index f475729..8f3c907 100644
--- a/media/libaudiohal/impl/DevicesFactoryHalHidl.cpp
+++ b/media/libaudiohal/impl/DevicesFactoryHalHidl.cpp
@@ -227,4 +227,10 @@
     return mDeviceFactories;
 }
 
+// Main entry-point to the shared library.
+extern "C" __attribute__((visibility("default"))) void* createIDevicesFactory() {
+    auto service = hardware::audio::CPP_VERSION::IDevicesFactory::getService();
+    return service ? new DevicesFactoryHalHidl(service) : nullptr;
+}
+
 } // namespace android
diff --git a/media/libaudiohal/impl/DevicesFactoryHalHybrid.cpp b/media/libaudiohal/impl/DevicesFactoryHalHybrid.cpp
deleted file mode 100644
index d684c27..0000000
--- a/media/libaudiohal/impl/DevicesFactoryHalHybrid.cpp
+++ /dev/null
@@ -1,58 +0,0 @@
-/*
- * Copyright (C) 2017 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 "DevicesFactoryHalHybrid"
-//#define LOG_NDEBUG 0
-
-#include "DevicesFactoryHalHidl.h"
-#include "DevicesFactoryHalHybrid.h"
-#include "DevicesFactoryHalLocal.h"
-
-namespace android {
-
-DevicesFactoryHalHybrid::DevicesFactoryHalHybrid(sp<IDevicesFactory> hidlFactory)
-        : mLocalFactory(new DevicesFactoryHalLocal()),
-          mHidlFactory(new DevicesFactoryHalHidl(hidlFactory)) {
-}
-
-status_t DevicesFactoryHalHybrid::openDevice(const char *name, sp<DeviceHalInterface> *device) {
-    if (mHidlFactory != 0 && strcmp(AUDIO_HARDWARE_MODULE_ID_A2DP, name) != 0 &&
-        strcmp(AUDIO_HARDWARE_MODULE_ID_HEARING_AID, name) != 0) {
-        return mHidlFactory->openDevice(name, device);
-    }
-    return mLocalFactory->openDevice(name, device);
-}
-
-status_t DevicesFactoryHalHybrid::getHalPids(std::vector<pid_t> *pids) {
-    if (mHidlFactory != 0) {
-        return mHidlFactory->getHalPids(pids);
-    }
-    return INVALID_OPERATION;
-}
-
-status_t DevicesFactoryHalHybrid::setCallbackOnce(sp<DevicesFactoryHalCallback> callback) {
-    if (mHidlFactory) {
-        return mHidlFactory->setCallbackOnce(callback);
-    }
-    return INVALID_OPERATION;
-}
-
-extern "C" __attribute__((visibility("default"))) void* createIDevicesFactory() {
-    auto service = hardware::audio::CPP_VERSION::IDevicesFactory::getService();
-    return service ? new DevicesFactoryHalHybrid(service) : nullptr;
-}
-
-} // namespace android
diff --git a/media/libaudiohal/impl/DevicesFactoryHalHybrid.h b/media/libaudiohal/impl/DevicesFactoryHalHybrid.h
deleted file mode 100644
index 221584c..0000000
--- a/media/libaudiohal/impl/DevicesFactoryHalHybrid.h
+++ /dev/null
@@ -1,53 +0,0 @@
-/*
- * Copyright (C) 2017 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 ANDROID_HARDWARE_DEVICES_FACTORY_HAL_HYBRID_H
-#define ANDROID_HARDWARE_DEVICES_FACTORY_HAL_HYBRID_H
-
-#include PATH(android/hardware/audio/FILE_VERSION/IDevicesFactory.h)
-#include <media/audiohal/DevicesFactoryHalInterface.h>
-#include <utils/Errors.h>
-#include <utils/RefBase.h>
-
-using ::android::hardware::audio::CPP_VERSION::IDevicesFactory;
-
-namespace android {
-
-class DevicesFactoryHalHybrid : public DevicesFactoryHalInterface
-{
-  public:
-    DevicesFactoryHalHybrid(sp<IDevicesFactory> hidlFactory);
-
-    // Opens a device with the specified name. To close the device, it is
-    // necessary to release references to the returned object.
-    virtual status_t openDevice(const char *name, sp<DeviceHalInterface> *device);
-
-            status_t getHalPids(std::vector<pid_t> *pids) override;
-
-            status_t setCallbackOnce(sp<DevicesFactoryHalCallback> callback) override;
-
-            float getHalVersion() const override {
-                return MAJOR_VERSION + (float)MINOR_VERSION / 10;
-            }
-
-  private:
-    sp<DevicesFactoryHalInterface> mLocalFactory;
-    sp<DevicesFactoryHalInterface> mHidlFactory;
-};
-
-} // namespace android
-
-#endif // ANDROID_HARDWARE_DEVICES_FACTORY_HAL_HYBRID_H
diff --git a/media/libaudiohal/impl/DevicesFactoryHalLocal.cpp b/media/libaudiohal/impl/DevicesFactoryHalLocal.cpp
deleted file mode 100644
index 13a9acd..0000000
--- a/media/libaudiohal/impl/DevicesFactoryHalLocal.cpp
+++ /dev/null
@@ -1,69 +0,0 @@
-/*
- * 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 "DevicesFactoryHalLocal"
-//#define LOG_NDEBUG 0
-
-#include <string.h>
-
-#include <hardware/audio.h>
-#include <utils/Log.h>
-
-#include "DeviceHalLocal.h"
-#include "DevicesFactoryHalLocal.h"
-
-namespace android {
-
-static status_t load_audio_interface(const char *if_name, audio_hw_device_t **dev)
-{
-    const hw_module_t *mod;
-    int rc;
-
-    rc = hw_get_module_by_class(AUDIO_HARDWARE_MODULE_ID, if_name, &mod);
-    if (rc) {
-        ALOGE("%s couldn't load audio hw module %s.%s (%s)", __func__,
-                AUDIO_HARDWARE_MODULE_ID, if_name, strerror(-rc));
-        goto out;
-    }
-    rc = audio_hw_device_open(mod, dev);
-    if (rc) {
-        ALOGE("%s couldn't open audio hw device in %s.%s (%s)", __func__,
-                AUDIO_HARDWARE_MODULE_ID, if_name, strerror(-rc));
-        goto out;
-    }
-    if ((*dev)->common.version < AUDIO_DEVICE_API_VERSION_MIN) {
-        ALOGE("%s wrong audio hw device version %04x", __func__, (*dev)->common.version);
-        rc = BAD_VALUE;
-        audio_hw_device_close(*dev);
-        goto out;
-    }
-    return OK;
-
-out:
-    *dev = NULL;
-    return rc;
-}
-
-status_t DevicesFactoryHalLocal::openDevice(const char *name, sp<DeviceHalInterface> *device) {
-    audio_hw_device_t *dev;
-    status_t rc = load_audio_interface(name, &dev);
-    if (rc == OK) {
-        *device = new DeviceHalLocal(dev);
-    }
-    return rc;
-}
-
-} // namespace android
diff --git a/media/libaudiohal/impl/DevicesFactoryHalLocal.h b/media/libaudiohal/impl/DevicesFactoryHalLocal.h
deleted file mode 100644
index a0da125..0000000
--- a/media/libaudiohal/impl/DevicesFactoryHalLocal.h
+++ /dev/null
@@ -1,58 +0,0 @@
-/*
- * 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.
- */
-
-#ifndef ANDROID_HARDWARE_DEVICES_FACTORY_HAL_LOCAL_H
-#define ANDROID_HARDWARE_DEVICES_FACTORY_HAL_LOCAL_H
-
-#include <media/audiohal/DevicesFactoryHalInterface.h>
-#include <utils/Errors.h>
-#include <utils/RefBase.h>
-
-#include "DeviceHalLocal.h"
-
-namespace android {
-
-class DevicesFactoryHalLocal : public DevicesFactoryHalInterface
-{
-  public:
-    // Opens a device with the specified name. To close the device, it is
-    // necessary to release references to the returned object.
-    virtual status_t openDevice(const char *name, sp<DeviceHalInterface> *device);
-
-            status_t getHalPids(std::vector<pid_t> *pids __unused) override {
-                return INVALID_OPERATION;
-            }
-
-            status_t setCallbackOnce(sp<DevicesFactoryHalCallback> callback __unused) override {
-                return INVALID_OPERATION;
-            }
-
-            float getHalVersion() const override {
-                return MAJOR_VERSION + (float)MINOR_VERSION / 10;
-            }
-
-  private:
-    friend class DevicesFactoryHalHybrid;
-
-    // Can not be constructed directly by clients.
-    DevicesFactoryHalLocal() {}
-
-    virtual ~DevicesFactoryHalLocal() {}
-};
-
-} // namespace android
-
-#endif // ANDROID_HARDWARE_DEVICES_FACTORY_HAL_LOCAL_H
diff --git a/media/libaudiohal/impl/StreamHalLocal.cpp b/media/libaudiohal/impl/StreamHalLocal.cpp
deleted file mode 100644
index 477f510..0000000
--- a/media/libaudiohal/impl/StreamHalLocal.cpp
+++ /dev/null
@@ -1,520 +0,0 @@
-/*
- * 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 <audio_utils/Metadata.h>
-#include <hardware/audio.h>
-#include <media/AudioParameter.h>
-#include <utils/Log.h>
-
-#include "DeviceHalLocal.h"
-#include "ParameterUtils.h"
-#include "StreamHalLocal.h"
-
-namespace android {
-
-StreamHalLocal::StreamHalLocal(audio_stream_t *stream, sp<DeviceHalLocal> device)
-        : mDevice(device),
-          mStream(stream) {
-    // Instrument audio signal power logging.
-    // Note: This assumes channel mask, format, and sample rate do not change after creation.
-    if (mStream != nullptr /* && mStreamPowerLog.isUserDebugOrEngBuild() */) {
-        mStreamPowerLog.init(mStream->get_sample_rate(mStream),
-                mStream->get_channels(mStream),
-                mStream->get_format(mStream));
-    }
-}
-
-StreamHalLocal::~StreamHalLocal() {
-    mStream = 0;
-    mDevice.clear();
-}
-
-status_t StreamHalLocal::getBufferSize(size_t *size) {
-    *size = mStream->get_buffer_size(mStream);
-    return OK;
-}
-
-status_t StreamHalLocal::getAudioProperties(audio_config_base_t *configBase) {
-    configBase->sample_rate = mStream->get_sample_rate(mStream);
-    configBase->channel_mask = mStream->get_channels(mStream);
-    configBase->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>) {
-    LOG_ALWAYS_FATAL("Local streams can not have effects");
-    return INVALID_OPERATION;
-}
-
-status_t StreamHalLocal::removeEffect(sp<EffectHalInterface>) {
-    LOG_ALWAYS_FATAL("Local streams can not have effects");
-    return INVALID_OPERATION;
-}
-
-status_t StreamHalLocal::standby() {
-    return mStream->standby(mStream);
-}
-
-status_t StreamHalLocal::dump(int fd, const Vector<String16>& args) {
-    (void) args;
-    status_t status = mStream->dump(mStream, fd);
-    mStreamPowerLog.dump(fd);
-    return status;
-}
-
-status_t StreamHalLocal::setHalThreadPriority(int) {
-    // Don't need to do anything as local hal is executed by audioflinger directly
-    // on the same thread.
-    return OK;
-}
-
-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::selectPresentation(int presentationId, int programId) {
-    AudioParameter param;
-    param.addInt(String8(AudioParameter::keyPresentationId), presentationId);
-    param.addInt(String8(AudioParameter::keyProgramId), programId);
-    return setParameters(param.toString());
-}
-
-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;
-        mStreamPowerLog.log(buffer, *written);
-        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(wp<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(static_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(bool earlyNotify) {
-    if (mStream->drain == NULL) return INVALID_OPERATION;
-    return mStream->drain(mStream, earlyNotify ? AUDIO_DRAIN_EARLY_NOTIFY : AUDIO_DRAIN_ALL);
-}
-
-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);
-}
-
-void StreamOutHalLocal::doUpdateSourceMetadata(const SourceMetadata& sourceMetadata) {
-    std::vector<playback_track_metadata> halTracks;
-    halTracks.reserve(sourceMetadata.tracks.size());
-    for (auto& metadata : sourceMetadata.tracks) {
-        playback_track_metadata halTrackMetadata;
-        playback_track_metadata_from_v7(&halTrackMetadata, &metadata);
-        halTracks.push_back(halTrackMetadata);
-    }
-    const source_metadata_t halMetadata = {
-        .track_count = halTracks.size(),
-        .tracks = halTracks.data(),
-    };
-    mStream->update_source_metadata(mStream, &halMetadata);
-}
-
-#if MAJOR_VERSION >= 7
-void StreamOutHalLocal::doUpdateSourceMetadataV7(const SourceMetadata& sourceMetadata) {
-    const source_metadata_v7_t metadata {
-        .track_count = sourceMetadata.tracks.size(),
-        // const cast is fine as it is in a const structure
-        .tracks = const_cast<playback_track_metadata_v7*>(sourceMetadata.tracks.data()),
-    };
-    mStream->update_source_metadata_v7(mStream, &metadata);
-}
-#endif
-
-status_t StreamOutHalLocal::updateSourceMetadata(const SourceMetadata& sourceMetadata) {
-#if MAJOR_VERSION < 7
-    if (mStream->update_source_metadata == nullptr) {
-        return INVALID_OPERATION;
-    }
-    doUpdateSourceMetadata(sourceMetadata);
-#else
-    if (mDevice->version() < AUDIO_DEVICE_API_VERSION_3_2) {
-        if (mStream->update_source_metadata == nullptr) {
-            return INVALID_OPERATION;
-        }
-        doUpdateSourceMetadata(sourceMetadata);
-    } else {
-        if (mStream->update_source_metadata_v7 == nullptr) {
-            return INVALID_OPERATION;
-        }
-        doUpdateSourceMetadataV7(sourceMetadata);
-    }
-#endif
-    return OK;
-}
-
-
-status_t StreamOutHalLocal::start() {
-    if (mStream->start == NULL) return INVALID_OPERATION;
-    return mStream->start(mStream);
-}
-
-status_t StreamOutHalLocal::stop() {
-    if (mStream->stop == NULL) return INVALID_OPERATION;
-    return mStream->stop(mStream);
-}
-
-status_t StreamOutHalLocal::createMmapBuffer(int32_t minSizeFrames,
-                                  struct audio_mmap_buffer_info *info) {
-    if (mStream->create_mmap_buffer == NULL) return INVALID_OPERATION;
-    return mStream->create_mmap_buffer(mStream, minSizeFrames, info);
-}
-
-status_t StreamOutHalLocal::getMmapPosition(struct audio_mmap_position *position) {
-    if (mStream->get_mmap_position == NULL) return INVALID_OPERATION;
-    return mStream->get_mmap_position(mStream, position);
-}
-
-status_t StreamOutHalLocal::getDualMonoMode(audio_dual_mono_mode_t* mode) {
-    if (mStream->get_dual_mono_mode == nullptr) return INVALID_OPERATION;
-    return mStream->get_dual_mono_mode(mStream, mode);
-}
-
-status_t StreamOutHalLocal::setDualMonoMode(audio_dual_mono_mode_t mode) {
-    if (mStream->set_dual_mono_mode == nullptr) return INVALID_OPERATION;
-    return mStream->set_dual_mono_mode(mStream, mode);
-}
-
-status_t StreamOutHalLocal::getAudioDescriptionMixLevel(float* leveldB) {
-    if (mStream->get_audio_description_mix_level == nullptr) return INVALID_OPERATION;
-    return mStream->get_audio_description_mix_level(mStream, leveldB);
-}
-
-status_t StreamOutHalLocal::setAudioDescriptionMixLevel(float leveldB) {
-    if (mStream->set_audio_description_mix_level == nullptr) return INVALID_OPERATION;
-    return mStream->set_audio_description_mix_level(mStream, leveldB);
-}
-
-status_t StreamOutHalLocal::getPlaybackRateParameters(audio_playback_rate_t* playbackRate) {
-    if (mStream->get_playback_rate_parameters == nullptr) return INVALID_OPERATION;
-    return mStream->get_playback_rate_parameters(mStream, playbackRate);
-}
-
-status_t StreamOutHalLocal::setPlaybackRateParameters(const audio_playback_rate_t& playbackRate) {
-    if (mStream->set_playback_rate_parameters == nullptr) return INVALID_OPERATION;
-    return mStream->set_playback_rate_parameters(mStream, &playbackRate);
-}
-
-status_t StreamOutHalLocal::setEventCallback(
-        const sp<StreamOutHalInterfaceEventCallback>& callback) {
-    if (mStream->set_event_callback == nullptr) {
-        return INVALID_OPERATION;
-    }
-    stream_event_callback_t asyncCallback =
-            callback == nullptr ? nullptr : StreamOutHalLocal::asyncEventCallback;
-    status_t result = mStream->set_event_callback(mStream, asyncCallback, this);
-    if (result == OK) {
-        mEventCallback = callback;
-    }
-    return result;
-}
-
-// static
-int StreamOutHalLocal::asyncEventCallback(
-        stream_event_callback_type_t event, void *param, 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(static_cast<StreamOutHalLocal*>(cookie));
-    sp<StreamOutHalLocal> self = weakSelf.promote();
-    if (self == nullptr) return 0;
-    sp<StreamOutHalInterfaceEventCallback> callback = self->mEventCallback.promote();
-    if (callback.get() == nullptr) return 0;
-    switch (event) {
-        case STREAM_EVENT_CBK_TYPE_CODEC_FORMAT_CHANGED:
-            // void* param is the byte string buffer from byte_string_from_audio_metadata().
-            // As the byte string buffer may have embedded zeroes, we cannot use strlen()
-            callback->onCodecFormatChanged(std::basic_string<uint8_t>(
-                    (const uint8_t*)param,
-                    audio_utils::metadata::dataByteStringLen((const uint8_t*)param)));
-            break;
-        default:
-            ALOGW("%s unknown event %d", __func__, event);
-            break;
-    }
-    return 0;
-}
-
-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;
-        mStreamPowerLog.log( buffer, *read);
-        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);
-}
-
-void StreamInHalLocal::doUpdateSinkMetadata(const SinkMetadata& sinkMetadata) {
-    std::vector<record_track_metadata> halTracks;
-    halTracks.reserve(sinkMetadata.tracks.size());
-    for (auto& metadata : sinkMetadata.tracks) {
-        record_track_metadata halTrackMetadata;
-        record_track_metadata_from_v7(&halTrackMetadata, &metadata);
-        halTracks.push_back(halTrackMetadata);
-    }
-    const sink_metadata_t halMetadata = {
-        .track_count = halTracks.size(),
-        .tracks = halTracks.data(),
-    };
-    mStream->update_sink_metadata(mStream, &halMetadata);
-}
-
-#if MAJOR_VERSION >= 7
-void StreamInHalLocal::doUpdateSinkMetadataV7(const SinkMetadata& sinkMetadata) {
-    const sink_metadata_v7_t halMetadata {
-        .track_count = sinkMetadata.tracks.size(),
-        // const cast is fine as it is in a const structure
-        .tracks = const_cast<record_track_metadata_v7*>(sinkMetadata.tracks.data()),
-    };
-    mStream->update_sink_metadata_v7(mStream, &halMetadata);
-}
-#endif
-
-status_t StreamInHalLocal::updateSinkMetadata(const SinkMetadata& sinkMetadata) {
-#if MAJOR_VERSION < 7
-    if (mStream->update_sink_metadata == nullptr) {
-        return INVALID_OPERATION;  // not supported by the HAL
-    }
-    doUpdateSinkMetadata(sinkMetadata);
-#else
-    if (mDevice->version() < AUDIO_DEVICE_API_VERSION_3_2) {
-        if (mStream->update_sink_metadata == nullptr) {
-            return INVALID_OPERATION;  // not supported by the HAL
-        }
-        doUpdateSinkMetadata(sinkMetadata);
-    } else {
-        if (mStream->update_sink_metadata_v7 == nullptr) {
-            return INVALID_OPERATION;  // not supported by the HAL
-        }
-        doUpdateSinkMetadataV7(sinkMetadata);
-    }
-#endif
-    return OK;
-}
-
-status_t StreamInHalLocal::start() {
-    if (mStream->start == NULL) return INVALID_OPERATION;
-    return mStream->start(mStream);
-}
-
-status_t StreamInHalLocal::stop() {
-    if (mStream->stop == NULL) return INVALID_OPERATION;
-    return mStream->stop(mStream);
-}
-
-status_t StreamInHalLocal::createMmapBuffer(int32_t minSizeFrames,
-                                  struct audio_mmap_buffer_info *info) {
-    if (mStream->create_mmap_buffer == NULL) return INVALID_OPERATION;
-    return mStream->create_mmap_buffer(mStream, minSizeFrames, info);
-}
-
-status_t StreamInHalLocal::getMmapPosition(struct audio_mmap_position *position) {
-    if (mStream->get_mmap_position == NULL) return INVALID_OPERATION;
-    return mStream->get_mmap_position(mStream, position);
-}
-
-#if MAJOR_VERSION == 2
-status_t StreamInHalLocal::getActiveMicrophones(
-        std::vector<media::MicrophoneInfo> *microphones __unused) {
-    return INVALID_OPERATION;
-}
-#elif MAJOR_VERSION >= 4
-status_t StreamInHalLocal::getActiveMicrophones(std::vector<media::MicrophoneInfo> *microphones) {
-    if (mStream->get_active_microphones == NULL) return INVALID_OPERATION;
-    size_t actual_mics = AUDIO_MICROPHONE_MAX_COUNT;
-    audio_microphone_characteristic_t mic_array[AUDIO_MICROPHONE_MAX_COUNT];
-    status_t status = mStream->get_active_microphones(mStream, &mic_array[0], &actual_mics);
-    for (size_t i = 0; i < actual_mics; i++) {
-        media::MicrophoneInfo microphoneInfo = media::MicrophoneInfo(mic_array[i]);
-        microphones->push_back(microphoneInfo);
-    }
-    return status;
-}
-#endif
-
-#if MAJOR_VERSION < 5
-status_t StreamInHalLocal::setPreferredMicrophoneDirection(
-            audio_microphone_direction_t direction __unused) {
-    return INVALID_OPERATION;
-}
-
-status_t StreamInHalLocal::setPreferredMicrophoneFieldDimension(float zoom __unused) {
-    return INVALID_OPERATION;
-}
-#else
-status_t StreamInHalLocal::setPreferredMicrophoneDirection(audio_microphone_direction_t direction) {
-    if (mStream->set_microphone_direction == NULL) return INVALID_OPERATION;
-    return mStream->set_microphone_direction(mStream, direction);
-}
-
-status_t StreamInHalLocal::setPreferredMicrophoneFieldDimension(float zoom) {
-    if (mStream->set_microphone_field_dimension == NULL) return INVALID_OPERATION;
-    return mStream->set_microphone_field_dimension(mStream, zoom);
-
-}
-#endif
-
-} // namespace android
diff --git a/media/libaudiohal/impl/StreamHalLocal.h b/media/libaudiohal/impl/StreamHalLocal.h
deleted file mode 100644
index 770137f..0000000
--- a/media/libaudiohal/impl/StreamHalLocal.h
+++ /dev/null
@@ -1,262 +0,0 @@
-/*
- * 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.
- */
-
-#ifndef ANDROID_HARDWARE_STREAM_HAL_LOCAL_H
-#define ANDROID_HARDWARE_STREAM_HAL_LOCAL_H
-
-#include <media/audiohal/StreamHalInterface.h>
-#include "StreamPowerLog.h"
-
-namespace android {
-
-class DeviceHalLocal;
-
-class StreamHalLocal : public virtual StreamHalInterface
-{
-  public:
-    // Return size of input/output buffer in bytes for this stream - eg. 4800.
-    virtual status_t getBufferSize(size_t *size);
-
-    // Return the base configuration of the stream:
-    //   - channel mask;
-    //   - format - e.g. AUDIO_FORMAT_PCM_16_BIT;
-    //   - sampling rate in Hz - eg. 44100.
-    virtual status_t getAudioProperties(audio_config_base_t *configBase);
-
-    // Set audio stream parameters.
-    virtual status_t setParameters(const String8& kvPairs);
-
-    // Get audio stream parameters.
-    virtual status_t getParameters(const String8& keys, String8 *values);
-
-    // Add or remove the effect on the stream.
-    virtual status_t addEffect(sp<EffectHalInterface> effect);
-    virtual status_t removeEffect(sp<EffectHalInterface> effect);
-
-    // Put the audio hardware input/output into standby mode.
-    virtual status_t standby();
-
-    virtual status_t dump(int fd, const Vector<String16>& args) override;
-
-    // Start a stream operating in mmap mode.
-    virtual status_t start() = 0;
-
-    // Stop a stream operating in mmap mode.
-    virtual status_t stop() = 0;
-
-    // Retrieve information on the data buffer in mmap mode.
-    virtual status_t createMmapBuffer(int32_t minSizeFrames,
-                                      struct audio_mmap_buffer_info *info) = 0;
-
-    // Get current read/write position in the mmap buffer
-    virtual status_t getMmapPosition(struct audio_mmap_position *position) = 0;
-
-    // Set the priority of the thread that interacts with the HAL
-    // (must match the priority of the audioflinger's thread that calls 'read' / 'write')
-    virtual status_t setHalThreadPriority(int priority);
-
-  protected:
-    // Subclasses can not be constructed directly by clients.
-    StreamHalLocal(audio_stream_t *stream, sp<DeviceHalLocal> device);
-
-    // The destructor automatically closes the stream.
-    virtual ~StreamHalLocal();
-
-    sp<DeviceHalLocal> mDevice;
-
-    // mStreamPowerLog is used for audio signal power logging.
-    StreamPowerLog mStreamPowerLog;
-
-  private:
-    audio_stream_t *mStream;
-};
-
-class StreamOutHalLocal : public StreamOutHalInterface, public StreamHalLocal {
-  public:
-    // Return the frame size (number of bytes per sample) of a stream.
-    virtual status_t getFrameSize(size_t *size);
-
-    // Return the audio hardware driver estimated latency in milliseconds.
-    virtual status_t getLatency(uint32_t *latency);
-
-    // Use this method in situations where audio mixing is done in the hardware.
-    virtual status_t setVolume(float left, float right);
-
-    // Selects the audio presentation (if available).
-    virtual status_t selectPresentation(int presentationId, int programId);
-
-    // Write audio buffer to driver.
-    virtual status_t write(const void *buffer, size_t bytes, size_t *written);
-
-    // Return the number of audio frames written by the audio dsp to DAC since
-    // the output has exited standby.
-    virtual status_t getRenderPosition(uint32_t *dspFrames);
-
-    // Get the local time at which the next write to the audio driver will be presented.
-    virtual status_t getNextWriteTimestamp(int64_t *timestamp);
-
-    // Set the callback for notifying completion of non-blocking write and drain.
-    virtual status_t setCallback(wp<StreamOutHalInterfaceCallback> callback);
-
-    // Returns whether pause and resume operations are supported.
-    virtual status_t supportsPauseAndResume(bool *supportsPause, bool *supportsResume);
-
-    // Notifies to the audio driver to resume playback following a pause.
-    virtual status_t pause();
-
-    // Notifies to the audio driver to resume playback following a pause.
-    virtual status_t resume();
-
-    // Returns whether drain operation is supported.
-    virtual status_t supportsDrain(bool *supportsDrain);
-
-    // Requests notification when data buffered by the driver/hardware has been played.
-    virtual status_t drain(bool earlyNotify);
-
-    // Notifies to the audio driver to flush the queued data.
-    virtual status_t flush();
-
-    // Return a recent count of the number of audio frames presented to an external observer.
-    virtual status_t getPresentationPosition(uint64_t *frames, struct timespec *timestamp);
-
-    // Start a stream operating in mmap mode.
-    virtual status_t start();
-
-    // Stop a stream operating in mmap mode.
-    virtual status_t stop();
-
-    // Retrieve information on the data buffer in mmap mode.
-    virtual status_t createMmapBuffer(int32_t minSizeFrames,
-                                      struct audio_mmap_buffer_info *info);
-
-    // Get current read/write position in the mmap buffer
-    virtual status_t getMmapPosition(struct audio_mmap_position *position);
-
-    // Called when the metadata of the stream's source has been changed.
-    status_t updateSourceMetadata(const SourceMetadata& sourceMetadata) override;
-
-    // Returns the Dual Mono mode presentation setting.
-    status_t getDualMonoMode(audio_dual_mono_mode_t* mode) override;
-
-    // Sets the Dual Mono mode presentation on the output device.
-    status_t setDualMonoMode(audio_dual_mono_mode_t mode) override;
-
-    // Returns the Audio Description Mix level in dB.
-    status_t getAudioDescriptionMixLevel(float* leveldB) override;
-
-    // Sets the Audio Description Mix level in dB.
-    status_t setAudioDescriptionMixLevel(float leveldB) override;
-
-    // Retrieves current playback rate parameters.
-    status_t getPlaybackRateParameters(audio_playback_rate_t* playbackRate) override;
-
-    // Sets the playback rate parameters that control playback behavior.
-    status_t setPlaybackRateParameters(const audio_playback_rate_t& playbackRate) override;
-
-    status_t setEventCallback(const sp<StreamOutHalInterfaceEventCallback>& callback) override;
-
-    status_t setLatencyMode(audio_latency_mode_t mode __unused) override {
-        return INVALID_OPERATION;
-    }
-    status_t getRecommendedLatencyModes(
-            std::vector<audio_latency_mode_t> *modes __unused) override {
-        return INVALID_OPERATION;
-    }
-    status_t setLatencyModeCallback(
-            const sp<StreamOutHalInterfaceLatencyModeCallback>& callback __unused) override {
-        return INVALID_OPERATION;
-    }
-
-  private:
-    audio_stream_out_t *mStream;
-    wp<StreamOutHalInterfaceCallback> mCallback;
-    wp<StreamOutHalInterfaceEventCallback> mEventCallback;
-
-    friend class DeviceHalLocal;
-
-    // Can not be constructed directly by clients.
-    StreamOutHalLocal(audio_stream_out_t *stream, sp<DeviceHalLocal> device);
-
-    virtual ~StreamOutHalLocal();
-
-    static int asyncCallback(stream_callback_event_t event, void *param, void *cookie);
-
-    static int asyncEventCallback(stream_event_callback_type_t event, void *param, void *cookie);
-
-    void doUpdateSourceMetadataV7(const SourceMetadata& sourceMetadata);
-    void doUpdateSourceMetadata(const SourceMetadata& sourceMetadata);
-};
-
-class StreamInHalLocal : public StreamInHalInterface, public StreamHalLocal {
-  public:
-    // Return the frame size (number of bytes per sample) of a stream.
-    virtual status_t getFrameSize(size_t *size);
-
-    // Set the input gain for the audio driver.
-    virtual status_t setGain(float gain);
-
-    // Read audio buffer in from driver.
-    virtual status_t read(void *buffer, size_t bytes, size_t *read);
-
-    // Return the amount of input frames lost in the audio driver.
-    virtual status_t getInputFramesLost(uint32_t *framesLost);
-
-    // Return a recent count of the number of audio frames received and
-    // the clock time associated with that frame count.
-    virtual status_t getCapturePosition(int64_t *frames, int64_t *time);
-
-    // Start a stream operating in mmap mode.
-    virtual status_t start();
-
-    // Stop a stream operating in mmap mode.
-    virtual status_t stop();
-
-    // Retrieve information on the data buffer in mmap mode.
-    virtual status_t createMmapBuffer(int32_t minSizeFrames,
-                                      struct audio_mmap_buffer_info *info);
-
-    // Get current read/write position in the mmap buffer
-    virtual status_t getMmapPosition(struct audio_mmap_position *position);
-
-    // Get active microphones
-    virtual status_t getActiveMicrophones(std::vector<media::MicrophoneInfo> *microphones);
-
-    // Sets microphone direction (for processing)
-    virtual status_t setPreferredMicrophoneDirection(audio_microphone_direction_t direction);
-
-    // Sets microphone zoom (for processing)
-    virtual status_t setPreferredMicrophoneFieldDimension(float zoom);
-
-    // Called when the metadata of the stream's sink has been changed.
-    status_t updateSinkMetadata(const SinkMetadata& sinkMetadata) override;
-
-  private:
-    audio_stream_in_t *mStream;
-
-    friend class DeviceHalLocal;
-
-    // Can not be constructed directly by clients.
-    StreamInHalLocal(audio_stream_in_t *stream, sp<DeviceHalLocal> device);
-
-    virtual ~StreamInHalLocal();
-
-    void doUpdateSinkMetadata(const SinkMetadata& sinkMetadata);
-    void doUpdateSinkMetadataV7(const SinkMetadata& sinkMetadata);
-};
-
-} // namespace android
-
-#endif // ANDROID_HARDWARE_STREAM_HAL_LOCAL_H