libaudiohal: Implement simple HIDL client
This client requires both HIDL client and server to be of the same
ABI version (e.g. 32-bit).
EffectHalHidl::process and EffectHalHidl::processReverse are stubs.
Some extra warnings are logged due to unimplemented functions
in the legacy HAL.
Bug: 30222631
Change-Id: Id074131dec6d6c4f1031695abcf3ea066e92a5af
Test: Play Music (play / EQ), YouTube, Loopback RTLT, Ok Google on N5X
diff --git a/media/libaudiohal/DeviceHalHidl.cpp b/media/libaudiohal/DeviceHalHidl.cpp
new file mode 100644
index 0000000..a6ced12
--- /dev/null
+++ b/media/libaudiohal/DeviceHalHidl.cpp
@@ -0,0 +1,351 @@
+/*
+ * 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 <android/hardware/audio/2.0/IPrimaryDevice.h>
+#include <cutils/native_handle.h>
+#include <utils/Log.h>
+
+#include "DeviceHalHidl.h"
+#include "HidlUtils.h"
+#include "StreamHalHidl.h"
+
+using ::android::hardware::audio::common::V2_0::AudioConfig;
+using ::android::hardware::audio::common::V2_0::AudioDevice;
+using ::android::hardware::audio::common::V2_0::AudioInputFlag;
+using ::android::hardware::audio::common::V2_0::AudioOutputFlag;
+using ::android::hardware::audio::common::V2_0::AudioPatchHandle;
+using ::android::hardware::audio::common::V2_0::AudioPort;
+using ::android::hardware::audio::common::V2_0::AudioPortConfig;
+using ::android::hardware::audio::common::V2_0::AudioMode;
+using ::android::hardware::audio::common::V2_0::AudioSource;
+using ::android::hardware::audio::V2_0::DeviceAddress;
+using ::android::hardware::audio::V2_0::IPrimaryDevice;
+using ::android::hardware::audio::V2_0::ParameterValue;
+using ::android::hardware::audio::V2_0::Result;
+using ::android::hardware::hidl_string;
+using ::android::hardware::hidl_vec;
+
+namespace android {
+
+namespace {
+
+status_t deviceAddressFromHal(
+ audio_devices_t device, const char* halAddress, DeviceAddress* address) {
+ address->device = AudioDevice(device);
+ 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) {
+}
+
+DeviceHalHidl::~DeviceHalHidl() {
+}
+
+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;
+ sp<IPrimaryDevice> primaryDev = IPrimaryDevice::castFrom(mDevice);
+ if (primaryDev == 0) return INVALID_OPERATION;
+ return processReturn("setVoiceVolume", primaryDev->setVoiceVolume(volume));
+}
+
+status_t DeviceHalHidl::setMasterVolume(float volume) {
+ if (mDevice == 0) return NO_INIT;
+ sp<IPrimaryDevice> primaryDev = IPrimaryDevice::castFrom(mDevice);
+ if (primaryDev == 0) return INVALID_OPERATION;
+ return processReturn("setMasterVolume", primaryDev->setMasterVolume(volume));
+}
+
+status_t DeviceHalHidl::getMasterVolume(float *volume) {
+ if (mDevice == 0) return NO_INIT;
+ sp<IPrimaryDevice> primaryDev = IPrimaryDevice::castFrom(mDevice);
+ if (primaryDev == 0) return INVALID_OPERATION;
+ Result retval;
+ Return<void> ret = primaryDev->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;
+ sp<IPrimaryDevice> primaryDev = IPrimaryDevice::castFrom(mDevice);
+ if (primaryDev == 0) return INVALID_OPERATION;
+ return processReturn("setMode", primaryDev->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;
+ return processReturn("setParameters", mDevice->setParameters(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 = mDevice->getParameters(
+ 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,
+ AudioOutputFlag(flags),
+ [&](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;
+ Return<void> ret = mDevice->openInputStream(
+ handle,
+ hidlDevice,
+ hidlConfig,
+ AudioInputFlag(flags),
+ AudioSource(source),
+ [&](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));
+}
+
+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->debugDump(hidlHandle);
+ native_handle_delete(hidlHandle);
+ return processReturn("dump", ret);
+}
+
+} // namespace android