| /* | 
 |  * 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 <stdio.h> | 
 |  | 
 | #define LOG_TAG "DeviceHalHidl" | 
 | //#define LOG_NDEBUG 0 | 
 |  | 
 | #include PATH(android/hardware/audio/FILE_VERSION/IPrimaryDevice.h) | 
 | #include <cutils/native_handle.h> | 
 | #include <hwbinder/IPCThreadState.h> | 
 | #include <utils/Log.h> | 
 |  | 
 | #include <common/all-versions/VersionUtils.h> | 
 |  | 
 | #include "DeviceHalHidl.h" | 
 | #include "HidlUtils.h" | 
 | #include "StreamHalHidl.h" | 
 | #include "VersionUtils.h" | 
 |  | 
 | using ::android::hardware::audio::common::CPP_VERSION::implementation::HidlUtils; | 
 | using ::android::hardware::audio::common::utils::EnumBitfield; | 
 | using ::android::hardware::hidl_string; | 
 | using ::android::hardware::hidl_vec; | 
 |  | 
 | namespace android { | 
 | namespace CPP_VERSION { | 
 |  | 
 | using namespace ::android::hardware::audio::common::CPP_VERSION; | 
 | using namespace ::android::hardware::audio::CPP_VERSION; | 
 |  | 
 | namespace { | 
 |  | 
 | status_t deviceAddressFromHal( | 
 |         audio_devices_t device, const char* halAddress, DeviceAddress* address) { | 
 |     address->device = AudioDevice(device); | 
 |  | 
 |     if (halAddress == nullptr || strnlen(halAddress, AUDIO_DEVICE_MAX_ADDRESS_LEN) == 0) { | 
 |         return OK; | 
 |     } | 
 |     const bool isInput = (device & AUDIO_DEVICE_BIT_IN) != 0; | 
 |     if (isInput) device &= ~AUDIO_DEVICE_BIT_IN; | 
 |     if ((!isInput && (device & AUDIO_DEVICE_OUT_ALL_A2DP) != 0) | 
 |             || (isInput && (device & AUDIO_DEVICE_IN_BLUETOOTH_A2DP) != 0)) { | 
 |         int status = sscanf(halAddress, | 
 |                 "%hhX:%hhX:%hhX:%hhX:%hhX:%hhX", | 
 |                 &address->address.mac[0], &address->address.mac[1], &address->address.mac[2], | 
 |                 &address->address.mac[3], &address->address.mac[4], &address->address.mac[5]); | 
 |         return status == 6 ? OK : BAD_VALUE; | 
 |     } else if ((!isInput && (device & AUDIO_DEVICE_OUT_IP) != 0) | 
 |             || (isInput && (device & AUDIO_DEVICE_IN_IP) != 0)) { | 
 |         int status = sscanf(halAddress, | 
 |                 "%hhu.%hhu.%hhu.%hhu", | 
 |                 &address->address.ipv4[0], &address->address.ipv4[1], | 
 |                 &address->address.ipv4[2], &address->address.ipv4[3]); | 
 |         return status == 4 ? OK : BAD_VALUE; | 
 |     } else if ((!isInput && (device & AUDIO_DEVICE_OUT_ALL_USB)) != 0 | 
 |             || (isInput && (device & AUDIO_DEVICE_IN_ALL_USB)) != 0) { | 
 |         int status = sscanf(halAddress, | 
 |                 "card=%d;device=%d", | 
 |                 &address->address.alsa.card, &address->address.alsa.device); | 
 |         return status == 2 ? OK : BAD_VALUE; | 
 |     } else if ((!isInput && (device & AUDIO_DEVICE_OUT_BUS) != 0) | 
 |             || (isInput && (device & AUDIO_DEVICE_IN_BUS) != 0)) { | 
 |         if (halAddress != NULL) { | 
 |             address->busAddress = halAddress; | 
 |             return OK; | 
 |         } | 
 |         return BAD_VALUE; | 
 |     } else if ((!isInput && (device & AUDIO_DEVICE_OUT_REMOTE_SUBMIX)) != 0 | 
 |             || (isInput && (device & AUDIO_DEVICE_IN_REMOTE_SUBMIX) != 0)) { | 
 |         if (halAddress != NULL) { | 
 |             address->rSubmixAddress = halAddress; | 
 |             return OK; | 
 |         } | 
 |         return BAD_VALUE; | 
 |     } | 
 |     return OK; | 
 | } | 
 |  | 
 | }  // namespace | 
 |  | 
 | DeviceHalHidl::DeviceHalHidl(const sp<IDevice>& device) | 
 |         : ConversionHelperHidl("Device"), mDevice(device), | 
 |           mPrimaryDevice(IPrimaryDevice::castFrom(device)) { | 
 | } | 
 |  | 
 | DeviceHalHidl::~DeviceHalHidl() { | 
 |     if (mDevice != 0) { | 
 |         mDevice.clear(); | 
 |         hardware::IPCThreadState::self()->flushCommands(); | 
 |     } | 
 | } | 
 |  | 
 | status_t DeviceHalHidl::getSupportedDevices(uint32_t*) { | 
 |     // Obsolete. | 
 |     return INVALID_OPERATION; | 
 | } | 
 |  | 
 | status_t DeviceHalHidl::initCheck() { | 
 |     if (mDevice == 0) return NO_INIT; | 
 |     return processReturn("initCheck", mDevice->initCheck()); | 
 | } | 
 |  | 
 | status_t DeviceHalHidl::setVoiceVolume(float volume) { | 
 |     if (mDevice == 0) return NO_INIT; | 
 |     if (mPrimaryDevice == 0) return INVALID_OPERATION; | 
 |     return processReturn("setVoiceVolume", mPrimaryDevice->setVoiceVolume(volume)); | 
 | } | 
 |  | 
 | status_t DeviceHalHidl::setMasterVolume(float volume) { | 
 |     if (mDevice == 0) return NO_INIT; | 
 |     if (mPrimaryDevice == 0) return INVALID_OPERATION; | 
 |     return processReturn("setMasterVolume", mPrimaryDevice->setMasterVolume(volume)); | 
 | } | 
 |  | 
 | status_t DeviceHalHidl::getMasterVolume(float *volume) { | 
 |     if (mDevice == 0) return NO_INIT; | 
 |     if (mPrimaryDevice == 0) return INVALID_OPERATION; | 
 |     Result retval; | 
 |     Return<void> ret = mPrimaryDevice->getMasterVolume( | 
 |             [&](Result r, float v) { | 
 |                 retval = r; | 
 |                 if (retval == Result::OK) { | 
 |                     *volume = v; | 
 |                 } | 
 |             }); | 
 |     return processReturn("getMasterVolume", ret, retval); | 
 | } | 
 |  | 
 | status_t DeviceHalHidl::setMode(audio_mode_t mode) { | 
 |     if (mDevice == 0) return NO_INIT; | 
 |     if (mPrimaryDevice == 0) return INVALID_OPERATION; | 
 |     return processReturn("setMode", mPrimaryDevice->setMode(AudioMode(mode))); | 
 | } | 
 |  | 
 | status_t DeviceHalHidl::setMicMute(bool state) { | 
 |     if (mDevice == 0) return NO_INIT; | 
 |     return processReturn("setMicMute", mDevice->setMicMute(state)); | 
 | } | 
 |  | 
 | status_t DeviceHalHidl::getMicMute(bool *state) { | 
 |     if (mDevice == 0) return NO_INIT; | 
 |     Result retval; | 
 |     Return<void> ret = mDevice->getMicMute( | 
 |             [&](Result r, bool mute) { | 
 |                 retval = r; | 
 |                 if (retval == Result::OK) { | 
 |                     *state = mute; | 
 |                 } | 
 |             }); | 
 |     return processReturn("getMicMute", ret, retval); | 
 | } | 
 |  | 
 | status_t DeviceHalHidl::setMasterMute(bool state) { | 
 |     if (mDevice == 0) return NO_INIT; | 
 |     return processReturn("setMasterMute", mDevice->setMasterMute(state)); | 
 | } | 
 |  | 
 | status_t DeviceHalHidl::getMasterMute(bool *state) { | 
 |     if (mDevice == 0) return NO_INIT; | 
 |     Result retval; | 
 |     Return<void> ret = mDevice->getMasterMute( | 
 |             [&](Result r, bool mute) { | 
 |                 retval = r; | 
 |                 if (retval == Result::OK) { | 
 |                     *state = mute; | 
 |                 } | 
 |             }); | 
 |     return processReturn("getMasterMute", ret, retval); | 
 | } | 
 |  | 
 | status_t DeviceHalHidl::setParameters(const String8& kvPairs) { | 
 |     if (mDevice == 0) return NO_INIT; | 
 |     hidl_vec<ParameterValue> hidlParams; | 
 |     status_t status = parametersFromHal(kvPairs, &hidlParams); | 
 |     if (status != OK) return status; | 
 |     // TODO: change the API so that context and kvPairs are separated | 
 |     return processReturn("setParameters", | 
 |                          utils::setParameters(mDevice, {} /* context */, hidlParams)); | 
 | } | 
 |  | 
 | status_t DeviceHalHidl::getParameters(const String8& keys, String8 *values) { | 
 |     values->clear(); | 
 |     if (mDevice == 0) return NO_INIT; | 
 |     hidl_vec<hidl_string> hidlKeys; | 
 |     status_t status = keysFromHal(keys, &hidlKeys); | 
 |     if (status != OK) return status; | 
 |     Result retval; | 
 |     Return<void> ret = utils::getParameters(mDevice, | 
 |             {} /* context */, | 
 |             hidlKeys, | 
 |             [&](Result r, const hidl_vec<ParameterValue>& parameters) { | 
 |                 retval = r; | 
 |                 if (retval == Result::OK) { | 
 |                     parametersToHal(parameters, values); | 
 |                 } | 
 |             }); | 
 |     return processReturn("getParameters", ret, retval); | 
 | } | 
 |  | 
 | status_t DeviceHalHidl::getInputBufferSize( | 
 |         const struct audio_config *config, size_t *size) { | 
 |     if (mDevice == 0) return NO_INIT; | 
 |     AudioConfig hidlConfig; | 
 |     HidlUtils::audioConfigFromHal(*config, &hidlConfig); | 
 |     Result retval; | 
 |     Return<void> ret = mDevice->getInputBufferSize( | 
 |             hidlConfig, | 
 |             [&](Result r, uint64_t bufferSize) { | 
 |                 retval = r; | 
 |                 if (retval == Result::OK) { | 
 |                     *size = static_cast<size_t>(bufferSize); | 
 |                 } | 
 |             }); | 
 |     return processReturn("getInputBufferSize", ret, retval); | 
 | } | 
 |  | 
 | status_t DeviceHalHidl::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) { | 
 |     if (mDevice == 0) return NO_INIT; | 
 |     DeviceAddress hidlDevice; | 
 |     status_t status = deviceAddressFromHal(devices, address, &hidlDevice); | 
 |     if (status != OK) return status; | 
 |     AudioConfig hidlConfig; | 
 |     HidlUtils::audioConfigFromHal(*config, &hidlConfig); | 
 |     Result retval = Result::NOT_INITIALIZED; | 
 |     Return<void> ret = mDevice->openOutputStream( | 
 |             handle, | 
 |             hidlDevice, | 
 |             hidlConfig, | 
 |             EnumBitfield<AudioOutputFlag>(flags), | 
 | #if MAJOR_VERSION >= 4 | 
 |             {} /* metadata */, | 
 | #endif | 
 |             [&](Result r, const sp<IStreamOut>& result, const AudioConfig& suggestedConfig) { | 
 |                 retval = r; | 
 |                 if (retval == Result::OK) { | 
 |                     *outStream = new StreamOutHalHidl(result); | 
 |                 } | 
 |                 HidlUtils::audioConfigToHal(suggestedConfig, config); | 
 |             }); | 
 |     return processReturn("openOutputStream", ret, retval); | 
 | } | 
 |  | 
 | status_t DeviceHalHidl::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, | 
 |         sp<StreamInHalInterface> *inStream) { | 
 |     if (mDevice == 0) return NO_INIT; | 
 |     DeviceAddress hidlDevice; | 
 |     status_t status = deviceAddressFromHal(devices, address, &hidlDevice); | 
 |     if (status != OK) return status; | 
 |     AudioConfig hidlConfig; | 
 |     HidlUtils::audioConfigFromHal(*config, &hidlConfig); | 
 |     Result retval = Result::NOT_INITIALIZED; | 
 | #if MAJOR_VERSION == 2 | 
 |     auto sinkMetadata = AudioSource(source); | 
 | #elif MAJOR_VERSION >= 4 | 
 |     // TODO: correctly propagate the tracks sources and volume | 
 |     //       for now, only send the main source at 1dbfs | 
 |     SinkMetadata sinkMetadata = {{{ .source = AudioSource(source), .gain = 1 }}}; | 
 | #endif | 
 |     Return<void> ret = mDevice->openInputStream( | 
 |             handle, | 
 |             hidlDevice, | 
 |             hidlConfig, | 
 |             EnumBitfield<AudioInputFlag>(flags), | 
 |             sinkMetadata, | 
 |             [&](Result r, const sp<IStreamIn>& result, const AudioConfig& suggestedConfig) { | 
 |                 retval = r; | 
 |                 if (retval == Result::OK) { | 
 |                     *inStream = new StreamInHalHidl(result); | 
 |                 } | 
 |                 HidlUtils::audioConfigToHal(suggestedConfig, config); | 
 |             }); | 
 |     return processReturn("openInputStream", ret, retval); | 
 | } | 
 |  | 
 | status_t DeviceHalHidl::supportsAudioPatches(bool *supportsPatches) { | 
 |     if (mDevice == 0) return NO_INIT; | 
 |     return processReturn("supportsAudioPatches", mDevice->supportsAudioPatches(), supportsPatches); | 
 | } | 
 |  | 
 | status_t DeviceHalHidl::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 (mDevice == 0) return NO_INIT; | 
 |     hidl_vec<AudioPortConfig> hidlSources, hidlSinks; | 
 |     HidlUtils::audioPortConfigsFromHal(num_sources, sources, &hidlSources); | 
 |     HidlUtils::audioPortConfigsFromHal(num_sinks, sinks, &hidlSinks); | 
 |     Result retval; | 
 |     Return<void> ret = mDevice->createAudioPatch( | 
 |             hidlSources, hidlSinks, | 
 |             [&](Result r, AudioPatchHandle hidlPatch) { | 
 |                 retval = r; | 
 |                 if (retval == Result::OK) { | 
 |                     *patch = static_cast<audio_patch_handle_t>(hidlPatch); | 
 |                 } | 
 |             }); | 
 |     return processReturn("createAudioPatch", ret, retval); | 
 | } | 
 |  | 
 | status_t DeviceHalHidl::releaseAudioPatch(audio_patch_handle_t patch) { | 
 |     if (mDevice == 0) return NO_INIT; | 
 |     return processReturn("releaseAudioPatch", mDevice->releaseAudioPatch(patch)); | 
 | } | 
 |  | 
 | status_t DeviceHalHidl::getAudioPort(struct audio_port *port) { | 
 |     if (mDevice == 0) return NO_INIT; | 
 |     AudioPort hidlPort; | 
 |     HidlUtils::audioPortFromHal(*port, &hidlPort); | 
 |     Result retval; | 
 |     Return<void> ret = mDevice->getAudioPort( | 
 |             hidlPort, | 
 |             [&](Result r, const AudioPort& p) { | 
 |                 retval = r; | 
 |                 if (retval == Result::OK) { | 
 |                     HidlUtils::audioPortToHal(p, port); | 
 |                 } | 
 |             }); | 
 |     return processReturn("getAudioPort", ret, retval); | 
 | } | 
 |  | 
 | status_t DeviceHalHidl::setAudioPortConfig(const struct audio_port_config *config) { | 
 |     if (mDevice == 0) return NO_INIT; | 
 |     AudioPortConfig hidlConfig; | 
 |     HidlUtils::audioPortConfigFromHal(*config, &hidlConfig); | 
 |     return processReturn("setAudioPortConfig", mDevice->setAudioPortConfig(hidlConfig)); | 
 | } | 
 |  | 
 | #if MAJOR_VERSION == 2 | 
 | status_t DeviceHalHidl::getMicrophones( | 
 |         std::vector<media::MicrophoneInfo> *microphonesInfo __unused) { | 
 |     if (mDevice == 0) return NO_INIT; | 
 |     return INVALID_OPERATION; | 
 | } | 
 | #elif MAJOR_VERSION >= 4 | 
 | status_t DeviceHalHidl::getMicrophones(std::vector<media::MicrophoneInfo> *microphonesInfo) { | 
 |     if (mDevice == 0) return NO_INIT; | 
 |     Result retval; | 
 |     Return<void> ret = mDevice->getMicrophones( | 
 |             [&](Result r, hidl_vec<MicrophoneInfo> micArrayHal) { | 
 |         retval = r; | 
 |         for (size_t k = 0; k < micArrayHal.size(); k++) { | 
 |             audio_microphone_characteristic_t dst; | 
 |             //convert | 
 |             microphoneInfoToHal(micArrayHal[k], &dst); | 
 |             media::MicrophoneInfo microphone = media::MicrophoneInfo(dst); | 
 |             microphonesInfo->push_back(microphone); | 
 |         } | 
 |     }); | 
 |     return processReturn("getMicrophones", ret, retval); | 
 | } | 
 | #endif | 
 |  | 
 | status_t DeviceHalHidl::dump(int fd) { | 
 |     if (mDevice == 0) return NO_INIT; | 
 |     native_handle_t* hidlHandle = native_handle_create(1, 0); | 
 |     hidlHandle->data[0] = fd; | 
 |     Return<void> ret = mDevice->debug(hidlHandle, {} /* options */); | 
 |     native_handle_delete(hidlHandle); | 
 |     return processReturn("dump", ret); | 
 | } | 
 |  | 
 | } // namespace CPP_VERSION | 
 | } // namespace android |