Audio V4: Move common files before refactor
This will make diff much more clear and allow git to follow the files.
Bug: 38184704
Test: compile
Change-Id: I41ccb41c334aa56d3935be333e6227dd99773766
Signed-off-by: Kevin Rocard <krocard@google.com>
diff --git a/audio/common/all-versions/README b/audio/common/all-versions/README
new file mode 100644
index 0000000..d8df022
--- /dev/null
+++ b/audio/common/all-versions/README
@@ -0,0 +1 @@
+This folder contains code common to all versions of the audio API
diff --git a/audio/common/all-versions/default/Android.bp b/audio/common/all-versions/default/Android.bp
new file mode 100644
index 0000000..82b38c0
--- /dev/null
+++ b/audio/common/all-versions/default/Android.bp
@@ -0,0 +1,41 @@
+//
+// 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.
+
+cc_library_shared {
+ name: "android.hardware.audio.common@2.0-util",
+ defaults: ["hidl_defaults"],
+ vendor_available: true,
+ vndk: {
+ enabled: true,
+ },
+ srcs: [
+ "EffectMap.cpp",
+ "HidlUtils.cpp",
+ ],
+
+ export_include_dirs: ["."],
+
+ shared_libs: [
+ "liblog",
+ "libutils",
+ "libhidlbase",
+ "android.hardware.audio.common@2.0",
+ ],
+
+ header_libs: [
+ "libaudio_system_headers",
+ "libhardware_headers",
+ ],
+}
diff --git a/audio/common/all-versions/default/EffectMap.cpp b/audio/common/all-versions/default/EffectMap.cpp
new file mode 100644
index 0000000..703b91c
--- /dev/null
+++ b/audio/common/all-versions/default/EffectMap.cpp
@@ -0,0 +1,57 @@
+/*
+ * 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.
+ */
+
+#include <atomic>
+
+#include "EffectMap.h"
+
+namespace android {
+
+ANDROID_SINGLETON_STATIC_INSTANCE(EffectMap);
+
+// static
+const uint64_t EffectMap::INVALID_ID = 0;
+
+// static
+uint64_t EffectMap::makeUniqueId() {
+ static std::atomic<uint64_t> counter{INVALID_ID + 1};
+ return counter++;
+}
+
+uint64_t EffectMap::add(effect_handle_t handle) {
+ uint64_t newId = makeUniqueId();
+ std::lock_guard<std::mutex> lock(mLock);
+ mEffects.add(newId, handle);
+ return newId;
+}
+
+effect_handle_t EffectMap::get(const uint64_t& id) {
+ std::lock_guard<std::mutex> lock(mLock);
+ ssize_t idx = mEffects.indexOfKey(id);
+ return idx >= 0 ? mEffects[idx] : NULL;
+}
+
+void EffectMap::remove(effect_handle_t handle) {
+ std::lock_guard<std::mutex> lock(mLock);
+ for (size_t i = 0; i < mEffects.size(); ++i) {
+ if (mEffects[i] == handle) {
+ mEffects.removeItemsAt(i);
+ break;
+ }
+ }
+}
+
+} // namespace android
diff --git a/audio/common/all-versions/default/EffectMap.h b/audio/common/all-versions/default/EffectMap.h
new file mode 100644
index 0000000..355b635
--- /dev/null
+++ b/audio/common/all-versions/default/EffectMap.h
@@ -0,0 +1,46 @@
+/*
+ * 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_audio_V2_0_EffectMap_H_
+#define android_hardware_audio_V2_0_EffectMap_H_
+
+#include <mutex>
+
+#include <hardware/audio_effect.h>
+#include <utils/KeyedVector.h>
+#include <utils/Singleton.h>
+
+namespace android {
+
+// This class needs to be in 'android' ns because Singleton macros require that.
+class EffectMap : public Singleton<EffectMap> {
+ public:
+ static const uint64_t INVALID_ID;
+
+ uint64_t add(effect_handle_t handle);
+ effect_handle_t get(const uint64_t& id);
+ void remove(effect_handle_t handle);
+
+ private:
+ static uint64_t makeUniqueId();
+
+ std::mutex mLock;
+ KeyedVector<uint64_t, effect_handle_t> mEffects;
+};
+
+} // namespace android
+
+#endif // android_hardware_audio_V2_0_EffectMap_H_
diff --git a/audio/common/all-versions/default/HidlUtils.cpp b/audio/common/all-versions/default/HidlUtils.cpp
new file mode 100644
index 0000000..a74fb89
--- /dev/null
+++ b/audio/common/all-versions/default/HidlUtils.cpp
@@ -0,0 +1,336 @@
+/*
+ * 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.
+ */
+
+#include <string.h>
+
+#include "HidlUtils.h"
+
+using ::android::hardware::audio::common::V2_0::AudioChannelMask;
+using ::android::hardware::audio::common::V2_0::AudioDevice;
+using ::android::hardware::audio::common::V2_0::AudioFormat;
+using ::android::hardware::audio::common::V2_0::AudioGainMode;
+using ::android::hardware::audio::common::V2_0::AudioMixLatencyClass;
+using ::android::hardware::audio::common::V2_0::AudioPortConfigMask;
+using ::android::hardware::audio::common::V2_0::AudioPortRole;
+using ::android::hardware::audio::common::V2_0::AudioPortType;
+using ::android::hardware::audio::common::V2_0::AudioSource;
+using ::android::hardware::audio::common::V2_0::AudioStreamType;
+using ::android::hardware::audio::common::V2_0::AudioUsage;
+
+namespace android {
+
+void HidlUtils::audioConfigFromHal(const audio_config_t& halConfig, AudioConfig* config) {
+ config->sampleRateHz = halConfig.sample_rate;
+ config->channelMask = AudioChannelMask(halConfig.channel_mask);
+ config->format = AudioFormat(halConfig.format);
+ audioOffloadInfoFromHal(halConfig.offload_info, &config->offloadInfo);
+ config->frameCount = halConfig.frame_count;
+}
+
+void HidlUtils::audioConfigToHal(const AudioConfig& config, audio_config_t* halConfig) {
+ memset(halConfig, 0, sizeof(audio_config_t));
+ halConfig->sample_rate = config.sampleRateHz;
+ halConfig->channel_mask = static_cast<audio_channel_mask_t>(config.channelMask);
+ halConfig->format = static_cast<audio_format_t>(config.format);
+ audioOffloadInfoToHal(config.offloadInfo, &halConfig->offload_info);
+ halConfig->frame_count = config.frameCount;
+}
+
+void HidlUtils::audioGainConfigFromHal(const struct audio_gain_config& halConfig,
+ AudioGainConfig* config) {
+ config->index = halConfig.index;
+ config->mode = AudioGainMode(halConfig.mode);
+ config->channelMask = AudioChannelMask(halConfig.channel_mask);
+ for (size_t i = 0; i < sizeof(audio_channel_mask_t) * 8; ++i) {
+ config->values[i] = halConfig.values[i];
+ }
+ config->rampDurationMs = halConfig.ramp_duration_ms;
+}
+
+void HidlUtils::audioGainConfigToHal(const AudioGainConfig& config,
+ struct audio_gain_config* halConfig) {
+ halConfig->index = config.index;
+ halConfig->mode = static_cast<audio_gain_mode_t>(config.mode);
+ halConfig->channel_mask = static_cast<audio_channel_mask_t>(config.channelMask);
+ memset(halConfig->values, 0, sizeof(halConfig->values));
+ for (size_t i = 0; i < sizeof(audio_channel_mask_t) * 8; ++i) {
+ halConfig->values[i] = config.values[i];
+ }
+ halConfig->ramp_duration_ms = config.rampDurationMs;
+}
+
+void HidlUtils::audioGainFromHal(const struct audio_gain& halGain, AudioGain* gain) {
+ gain->mode = AudioGainMode(halGain.mode);
+ gain->channelMask = AudioChannelMask(halGain.channel_mask);
+ gain->minValue = halGain.min_value;
+ gain->maxValue = halGain.max_value;
+ gain->defaultValue = halGain.default_value;
+ gain->stepValue = halGain.step_value;
+ gain->minRampMs = halGain.min_ramp_ms;
+ gain->maxRampMs = halGain.max_ramp_ms;
+}
+
+void HidlUtils::audioGainToHal(const AudioGain& gain, struct audio_gain* halGain) {
+ halGain->mode = static_cast<audio_gain_mode_t>(gain.mode);
+ halGain->channel_mask = static_cast<audio_channel_mask_t>(gain.channelMask);
+ halGain->min_value = gain.minValue;
+ halGain->max_value = gain.maxValue;
+ halGain->default_value = gain.defaultValue;
+ halGain->step_value = gain.stepValue;
+ halGain->min_ramp_ms = gain.minRampMs;
+ halGain->max_ramp_ms = gain.maxRampMs;
+}
+
+void HidlUtils::audioOffloadInfoFromHal(const audio_offload_info_t& halOffload,
+ AudioOffloadInfo* offload) {
+ offload->sampleRateHz = halOffload.sample_rate;
+ offload->channelMask = AudioChannelMask(halOffload.channel_mask);
+ offload->format = AudioFormat(halOffload.format);
+ offload->streamType = AudioStreamType(halOffload.stream_type);
+ offload->bitRatePerSecond = halOffload.bit_rate;
+ offload->durationMicroseconds = halOffload.duration_us;
+ offload->hasVideo = halOffload.has_video;
+ offload->isStreaming = halOffload.is_streaming;
+ offload->bitWidth = halOffload.bit_width;
+ offload->bufferSize = halOffload.offload_buffer_size;
+ offload->usage = static_cast<AudioUsage>(halOffload.usage);
+}
+
+void HidlUtils::audioOffloadInfoToHal(const AudioOffloadInfo& offload,
+ audio_offload_info_t* halOffload) {
+ *halOffload = AUDIO_INFO_INITIALIZER;
+ halOffload->sample_rate = offload.sampleRateHz;
+ halOffload->channel_mask = static_cast<audio_channel_mask_t>(offload.channelMask);
+ halOffload->format = static_cast<audio_format_t>(offload.format);
+ halOffload->stream_type = static_cast<audio_stream_type_t>(offload.streamType);
+ halOffload->bit_rate = offload.bitRatePerSecond;
+ halOffload->duration_us = offload.durationMicroseconds;
+ halOffload->has_video = offload.hasVideo;
+ halOffload->is_streaming = offload.isStreaming;
+ halOffload->bit_width = offload.bitWidth;
+ halOffload->offload_buffer_size = offload.bufferSize;
+ halOffload->usage = static_cast<audio_usage_t>(offload.usage);
+}
+
+void HidlUtils::audioPortConfigFromHal(const struct audio_port_config& halConfig,
+ AudioPortConfig* config) {
+ config->id = halConfig.id;
+ config->role = AudioPortRole(halConfig.role);
+ config->type = AudioPortType(halConfig.type);
+ config->configMask = AudioPortConfigMask(halConfig.config_mask);
+ config->sampleRateHz = halConfig.sample_rate;
+ config->channelMask = AudioChannelMask(halConfig.channel_mask);
+ config->format = AudioFormat(halConfig.format);
+ audioGainConfigFromHal(halConfig.gain, &config->gain);
+ switch (halConfig.type) {
+ case AUDIO_PORT_TYPE_NONE:
+ break;
+ case AUDIO_PORT_TYPE_DEVICE: {
+ config->ext.device.hwModule = halConfig.ext.device.hw_module;
+ config->ext.device.type = AudioDevice(halConfig.ext.device.type);
+ memcpy(config->ext.device.address.data(), halConfig.ext.device.address,
+ AUDIO_DEVICE_MAX_ADDRESS_LEN);
+ break;
+ }
+ case AUDIO_PORT_TYPE_MIX: {
+ config->ext.mix.hwModule = halConfig.ext.mix.hw_module;
+ config->ext.mix.ioHandle = halConfig.ext.mix.handle;
+ if (halConfig.role == AUDIO_PORT_ROLE_SOURCE) {
+ config->ext.mix.useCase.source = AudioSource(halConfig.ext.mix.usecase.source);
+ } else if (halConfig.role == AUDIO_PORT_ROLE_SINK) {
+ config->ext.mix.useCase.stream = AudioStreamType(halConfig.ext.mix.usecase.stream);
+ }
+ break;
+ }
+ case AUDIO_PORT_TYPE_SESSION: {
+ config->ext.session.session = halConfig.ext.session.session;
+ break;
+ }
+ }
+}
+
+void HidlUtils::audioPortConfigToHal(const AudioPortConfig& config,
+ struct audio_port_config* halConfig) {
+ memset(halConfig, 0, sizeof(audio_port_config));
+ halConfig->id = config.id;
+ halConfig->role = static_cast<audio_port_role_t>(config.role);
+ halConfig->type = static_cast<audio_port_type_t>(config.type);
+ halConfig->config_mask = static_cast<unsigned int>(config.configMask);
+ halConfig->sample_rate = config.sampleRateHz;
+ halConfig->channel_mask = static_cast<audio_channel_mask_t>(config.channelMask);
+ halConfig->format = static_cast<audio_format_t>(config.format);
+ audioGainConfigToHal(config.gain, &halConfig->gain);
+ switch (config.type) {
+ case AudioPortType::NONE:
+ break;
+ case AudioPortType::DEVICE: {
+ halConfig->ext.device.hw_module = config.ext.device.hwModule;
+ halConfig->ext.device.type = static_cast<audio_devices_t>(config.ext.device.type);
+ memcpy(halConfig->ext.device.address, config.ext.device.address.data(),
+ AUDIO_DEVICE_MAX_ADDRESS_LEN);
+ break;
+ }
+ case AudioPortType::MIX: {
+ halConfig->ext.mix.hw_module = config.ext.mix.hwModule;
+ halConfig->ext.mix.handle = config.ext.mix.ioHandle;
+ if (config.role == AudioPortRole::SOURCE) {
+ halConfig->ext.mix.usecase.source =
+ static_cast<audio_source_t>(config.ext.mix.useCase.source);
+ } else if (config.role == AudioPortRole::SINK) {
+ halConfig->ext.mix.usecase.stream =
+ static_cast<audio_stream_type_t>(config.ext.mix.useCase.stream);
+ }
+ break;
+ }
+ case AudioPortType::SESSION: {
+ halConfig->ext.session.session =
+ static_cast<audio_session_t>(config.ext.session.session);
+ break;
+ }
+ }
+}
+
+void HidlUtils::audioPortConfigsFromHal(unsigned int numHalConfigs,
+ const struct audio_port_config* halConfigs,
+ hidl_vec<AudioPortConfig>* configs) {
+ configs->resize(numHalConfigs);
+ for (unsigned int i = 0; i < numHalConfigs; ++i) {
+ audioPortConfigFromHal(halConfigs[i], &(*configs)[i]);
+ }
+}
+
+std::unique_ptr<audio_port_config[]> HidlUtils::audioPortConfigsToHal(
+ const hidl_vec<AudioPortConfig>& configs) {
+ std::unique_ptr<audio_port_config[]> halConfigs(new audio_port_config[configs.size()]);
+ for (size_t i = 0; i < configs.size(); ++i) {
+ audioPortConfigToHal(configs[i], &halConfigs[i]);
+ }
+ return halConfigs;
+}
+
+void HidlUtils::audioPortFromHal(const struct audio_port& halPort, AudioPort* port) {
+ port->id = halPort.id;
+ port->role = AudioPortRole(halPort.role);
+ port->type = AudioPortType(halPort.type);
+ port->name.setToExternal(halPort.name, strlen(halPort.name));
+ port->sampleRates.resize(halPort.num_sample_rates);
+ for (size_t i = 0; i < halPort.num_sample_rates; ++i) {
+ port->sampleRates[i] = halPort.sample_rates[i];
+ }
+ port->channelMasks.resize(halPort.num_channel_masks);
+ for (size_t i = 0; i < halPort.num_channel_masks; ++i) {
+ port->channelMasks[i] = AudioChannelMask(halPort.channel_masks[i]);
+ }
+ port->formats.resize(halPort.num_formats);
+ for (size_t i = 0; i < halPort.num_formats; ++i) {
+ port->formats[i] = AudioFormat(halPort.formats[i]);
+ }
+ port->gains.resize(halPort.num_gains);
+ for (size_t i = 0; i < halPort.num_gains; ++i) {
+ audioGainFromHal(halPort.gains[i], &port->gains[i]);
+ }
+ audioPortConfigFromHal(halPort.active_config, &port->activeConfig);
+ switch (halPort.type) {
+ case AUDIO_PORT_TYPE_NONE:
+ break;
+ case AUDIO_PORT_TYPE_DEVICE: {
+ port->ext.device.hwModule = halPort.ext.device.hw_module;
+ port->ext.device.type = AudioDevice(halPort.ext.device.type);
+ memcpy(port->ext.device.address.data(), halPort.ext.device.address,
+ AUDIO_DEVICE_MAX_ADDRESS_LEN);
+ break;
+ }
+ case AUDIO_PORT_TYPE_MIX: {
+ port->ext.mix.hwModule = halPort.ext.mix.hw_module;
+ port->ext.mix.ioHandle = halPort.ext.mix.handle;
+ port->ext.mix.latencyClass = AudioMixLatencyClass(halPort.ext.mix.latency_class);
+ break;
+ }
+ case AUDIO_PORT_TYPE_SESSION: {
+ port->ext.session.session = halPort.ext.session.session;
+ break;
+ }
+ }
+}
+
+void HidlUtils::audioPortToHal(const AudioPort& port, struct audio_port* halPort) {
+ memset(halPort, 0, sizeof(audio_port));
+ halPort->id = port.id;
+ halPort->role = static_cast<audio_port_role_t>(port.role);
+ halPort->type = static_cast<audio_port_type_t>(port.type);
+ memcpy(halPort->name, port.name.c_str(),
+ std::min(port.name.size(), static_cast<size_t>(AUDIO_PORT_MAX_NAME_LEN)));
+ halPort->num_sample_rates =
+ std::min(port.sampleRates.size(), static_cast<size_t>(AUDIO_PORT_MAX_SAMPLING_RATES));
+ for (size_t i = 0; i < halPort->num_sample_rates; ++i) {
+ halPort->sample_rates[i] = port.sampleRates[i];
+ }
+ halPort->num_channel_masks =
+ std::min(port.channelMasks.size(), static_cast<size_t>(AUDIO_PORT_MAX_CHANNEL_MASKS));
+ for (size_t i = 0; i < halPort->num_channel_masks; ++i) {
+ halPort->channel_masks[i] = static_cast<audio_channel_mask_t>(port.channelMasks[i]);
+ }
+ halPort->num_formats =
+ std::min(port.formats.size(), static_cast<size_t>(AUDIO_PORT_MAX_FORMATS));
+ for (size_t i = 0; i < halPort->num_formats; ++i) {
+ halPort->formats[i] = static_cast<audio_format_t>(port.formats[i]);
+ }
+ halPort->num_gains = std::min(port.gains.size(), static_cast<size_t>(AUDIO_PORT_MAX_GAINS));
+ for (size_t i = 0; i < halPort->num_gains; ++i) {
+ audioGainToHal(port.gains[i], &halPort->gains[i]);
+ }
+ audioPortConfigToHal(port.activeConfig, &halPort->active_config);
+ switch (port.type) {
+ case AudioPortType::NONE:
+ break;
+ case AudioPortType::DEVICE: {
+ halPort->ext.device.hw_module = port.ext.device.hwModule;
+ halPort->ext.device.type = static_cast<audio_devices_t>(port.ext.device.type);
+ memcpy(halPort->ext.device.address, port.ext.device.address.data(),
+ AUDIO_DEVICE_MAX_ADDRESS_LEN);
+ break;
+ }
+ case AudioPortType::MIX: {
+ halPort->ext.mix.hw_module = port.ext.mix.hwModule;
+ halPort->ext.mix.handle = port.ext.mix.ioHandle;
+ halPort->ext.mix.latency_class =
+ static_cast<audio_mix_latency_class_t>(port.ext.mix.latencyClass);
+ break;
+ }
+ case AudioPortType::SESSION: {
+ halPort->ext.session.session = static_cast<audio_session_t>(port.ext.session.session);
+ break;
+ }
+ }
+}
+
+void HidlUtils::uuidFromHal(const audio_uuid_t& halUuid, Uuid* uuid) {
+ uuid->timeLow = halUuid.timeLow;
+ uuid->timeMid = halUuid.timeMid;
+ uuid->versionAndTimeHigh = halUuid.timeHiAndVersion;
+ uuid->variantAndClockSeqHigh = halUuid.clockSeq;
+ memcpy(uuid->node.data(), halUuid.node, uuid->node.size());
+}
+
+void HidlUtils::uuidToHal(const Uuid& uuid, audio_uuid_t* halUuid) {
+ halUuid->timeLow = uuid.timeLow;
+ halUuid->timeMid = uuid.timeMid;
+ halUuid->timeHiAndVersion = uuid.versionAndTimeHigh;
+ halUuid->clockSeq = uuid.variantAndClockSeqHigh;
+ memcpy(halUuid->node, uuid.node.data(), uuid.node.size());
+}
+
+} // namespace android
diff --git a/audio/common/all-versions/default/HidlUtils.h b/audio/common/all-versions/default/HidlUtils.h
new file mode 100644
index 0000000..09ed288
--- /dev/null
+++ b/audio/common/all-versions/default/HidlUtils.h
@@ -0,0 +1,67 @@
+/*
+ * 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_audio_V2_0_Hidl_Utils_H_
+#define android_hardware_audio_V2_0_Hidl_Utils_H_
+
+#include <memory>
+
+#include <android/hardware/audio/common/2.0/types.h>
+#include <system/audio.h>
+
+using ::android::hardware::audio::common::V2_0::AudioConfig;
+using ::android::hardware::audio::common::V2_0::AudioGain;
+using ::android::hardware::audio::common::V2_0::AudioGainConfig;
+using ::android::hardware::audio::common::V2_0::AudioOffloadInfo;
+using ::android::hardware::audio::common::V2_0::AudioPort;
+using ::android::hardware::audio::common::V2_0::AudioPortConfig;
+using ::android::hardware::audio::common::V2_0::Uuid;
+using ::android::hardware::hidl_vec;
+
+namespace android {
+
+class HidlUtils {
+ public:
+ static void audioConfigFromHal(const audio_config_t& halConfig, AudioConfig* config);
+ static void audioConfigToHal(const AudioConfig& config, audio_config_t* halConfig);
+ static void audioGainConfigFromHal(const struct audio_gain_config& halConfig,
+ AudioGainConfig* config);
+ static void audioGainConfigToHal(const AudioGainConfig& config,
+ struct audio_gain_config* halConfig);
+ static void audioGainFromHal(const struct audio_gain& halGain, AudioGain* gain);
+ static void audioGainToHal(const AudioGain& gain, struct audio_gain* halGain);
+ static void audioOffloadInfoFromHal(const audio_offload_info_t& halOffload,
+ AudioOffloadInfo* offload);
+ static void audioOffloadInfoToHal(const AudioOffloadInfo& offload,
+ audio_offload_info_t* halOffload);
+ static void audioPortConfigFromHal(const struct audio_port_config& halConfig,
+ AudioPortConfig* config);
+ static void audioPortConfigToHal(const AudioPortConfig& config,
+ struct audio_port_config* halConfig);
+ static void audioPortConfigsFromHal(unsigned int numHalConfigs,
+ const struct audio_port_config* halConfigs,
+ hidl_vec<AudioPortConfig>* configs);
+ static std::unique_ptr<audio_port_config[]> audioPortConfigsToHal(
+ const hidl_vec<AudioPortConfig>& configs);
+ static void audioPortFromHal(const struct audio_port& halPort, AudioPort* port);
+ static void audioPortToHal(const AudioPort& port, struct audio_port* halPort);
+ static void uuidFromHal(const audio_uuid_t& halUuid, Uuid* uuid);
+ static void uuidToHal(const Uuid& uuid, audio_uuid_t* halUuid);
+};
+
+} // namespace android
+
+#endif // android_hardware_audio_V2_0_Hidl_Utils_H_
diff --git a/audio/common/all-versions/default/OWNERS b/audio/common/all-versions/default/OWNERS
new file mode 100644
index 0000000..6fdc97c
--- /dev/null
+++ b/audio/common/all-versions/default/OWNERS
@@ -0,0 +1,3 @@
+elaurent@google.com
+krocard@google.com
+mnaganov@google.com