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sm7125: Import audio@7.0 default impl

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Change-Id: I37dac8d63dff454a396e9c14a1062db7f4b2588d
fourteen-wip
Rashed Abdel-Tawab 2 years ago committed by Simon1511
parent 2f752116d0
commit 1c47751006
18 changed files with 4358 additions and 1 deletions
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  1. 145
      audio/Android.bp
  2. 582
      audio/Device.cpp
  3. 120
      audio/DevicesFactory.cpp
  4. 174
      audio/ParametersUtil.cpp
  5. 351
      audio/PrimaryDevice.cpp
  6. 453
      audio/Stream.cpp
  7. 603
      audio/StreamIn.cpp
  8. 766
      audio/StreamOut.cpp
  9. 48
      audio/include/core/default/Conversions.h
  10. 172
      audio/include/core/default/Device.h
  11. 64
      audio/include/core/default/DevicesFactory.h
  12. 70
      audio/include/core/default/ParametersUtil.h
  13. 151
      audio/include/core/default/PrimaryDevice.h
  14. 231
      audio/include/core/default/Stream.h
  15. 159
      audio/include/core/default/StreamIn.h
  16. 188
      audio/include/core/default/StreamOut.h
  17. 80
      audio/include/core/default/Util.h
  18. 2
      common.mk

145
audio/Android.bp
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filegroup {
name: "android.hardware.audio-impl_sm7125_srcs",
srcs: [
"Device.cpp",
"DevicesFactory.cpp",
"ParametersUtil.cpp",
"PrimaryDevice.cpp",
"Stream.cpp",
"StreamIn.cpp",
"StreamOut.cpp",
],
}
cc_library_headers {
name: "android.hardware.audio-impl_sm7125_headers",
proprietary: true,
vendor: true,
export_include_dirs: ["include"],
}
cc_defaults {
name: "android.hardware.audio-impl_sm7125",
relative_install_path: "hw",
proprietary: true,
vendor: true,
srcs: [":android.hardware.audio-impl_sm7125_srcs"],
defaults: ["hidl_defaults"],
static_libs: [
"libaudiofoundation",
],
shared_libs: [
"libbase",
"libcutils",
"libfmq",
"libhardware",
"libhidlbase",
"liblog",
"libmedia_helper",
"libmediautils_vendor",
"libmemunreachable",
"libutils",
"android.hardware.audio.common-util",
],
header_libs: [
"android.hardware.audio-impl_sm7125_headers",
"android.hardware.audio.common.util@all-versions",
"libaudioclient_headers",
"libaudioutils_headers",
"libaudio_system_headers",
"libhardware_headers",
"libmedia_headers",
"libmediautils_headers",
],
export_header_lib_headers: [
"android.hardware.audio-impl_sm7125_headers",
],
}
cc_library_shared {
name: "android.hardware.audio@2.0-impl.sm7125",
defaults: ["android.hardware.audio-impl_sm7125"],
shared_libs: [
"android.hardware.audio@2.0",
"android.hardware.audio@2.0-util",
"android.hardware.audio.common@2.0",
"android.hardware.audio.common@2.0-util",
],
cflags: [
"-DMAJOR_VERSION=2",
"-DMINOR_VERSION=0",
"-include common/all-versions/VersionMacro.h",
],
}
cc_library_shared {
name: "android.hardware.audio@4.0-impl.sm7125",
defaults: ["android.hardware.audio-impl_sm7125"],
shared_libs: [
"android.hardware.audio@4.0",
"android.hardware.audio@4.0-util",
"android.hardware.audio.common@4.0",
"android.hardware.audio.common@4.0-util",
],
cflags: [
"-DMAJOR_VERSION=4",
"-DMINOR_VERSION=0",
"-include common/all-versions/VersionMacro.h",
],
}
cc_library_shared {
name: "android.hardware.audio@5.0-impl.sm7125",
defaults: ["android.hardware.audio-impl_sm7125"],
shared_libs: [
"android.hardware.audio@5.0",
"android.hardware.audio@5.0-util",
"android.hardware.audio.common@5.0",
"android.hardware.audio.common@5.0-util",
],
cflags: [
"-DMAJOR_VERSION=5",
"-DMINOR_VERSION=0",
"-include common/all-versions/VersionMacro.h",
],
}
cc_library_shared {
name: "android.hardware.audio@6.0-impl.sm7125",
defaults: ["android.hardware.audio-impl_sm7125"],
shared_libs: [
"android.hardware.audio@6.0",
"android.hardware.audio@6.0-util",
"android.hardware.audio.common@6.0",
"android.hardware.audio.common@6.0-util",
],
cflags: [
"-DMAJOR_VERSION=6",
"-DMINOR_VERSION=0",
"-include common/all-versions/VersionMacro.h",
],
}
cc_library_shared {
name: "android.hardware.audio@7.0-impl.sm7125",
defaults: ["android.hardware.audio-impl_sm7125"],
shared_libs: [
"android.hardware.audio@7.0",
"android.hardware.audio@7.0-util",
"android.hardware.audio.common@7.0",
"android.hardware.audio.common@7.0-enums",
"android.hardware.audio.common@7.0-util",
"libbase",
],
cflags: [
"-DMAJOR_VERSION=7",
"-DMINOR_VERSION=0",
"-include common/all-versions/VersionMacro.h",
],
}

582
audio/Device.cpp
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/*
* Copyright (C) 2018 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 "DeviceHAL"
#include "core/default/Device.h"
#include "common/all-versions/default/EffectMap.h"
#include "core/default/StreamIn.h"
#include "core/default/StreamOut.h"
#include "core/default/Util.h"
//#define LOG_NDEBUG 0
#include <inttypes.h>
#include <memory.h>
#include <string.h>
#include <algorithm>
#include <android/log.h>
#include <mediautils/MemoryLeakTrackUtil.h>
#include <memunreachable/memunreachable.h>
#include <HidlUtils.h>
namespace android {
namespace hardware {
namespace audio {
namespace CPP_VERSION {
namespace implementation {
using ::android::hardware::audio::common::CPP_VERSION::implementation::HidlUtils;
Device::Device(audio_hw_device_t* device) : mIsClosed(false), mDevice(device) {}
Device::~Device() {
(void)doClose();
mDevice = nullptr;
}
Result Device::analyzeStatus(const char* funcName, int status,
const std::vector<int>& ignoreErrors) {
return util::analyzeStatus("Device", funcName, status, ignoreErrors);
}
void Device::closeInputStream(audio_stream_in_t* stream) {
mDevice->close_input_stream(mDevice, stream);
LOG_ALWAYS_FATAL_IF(mOpenedStreamsCount == 0, "mOpenedStreamsCount is already 0");
--mOpenedStreamsCount;
}
void Device::closeOutputStream(audio_stream_out_t* stream) {
mDevice->close_output_stream(mDevice, stream);
LOG_ALWAYS_FATAL_IF(mOpenedStreamsCount == 0, "mOpenedStreamsCount is already 0");
--mOpenedStreamsCount;
}
char* Device::halGetParameters(const char* keys) {
return mDevice->get_parameters(mDevice, keys);
}
int Device::halSetParameters(const char* keysAndValues) {
return mDevice->set_parameters(mDevice, keysAndValues);
}
// Methods from ::android::hardware::audio::CPP_VERSION::IDevice follow.
Return<Result> Device::initCheck() {
return analyzeStatus("init_check", mDevice->init_check(mDevice));
}
Return<Result> Device::setMasterVolume(float volume) {
if (mDevice->set_master_volume == NULL) {
return Result::NOT_SUPPORTED;
}
if (!isGainNormalized(volume)) {
ALOGW("Can not set a master volume (%f) outside [0,1]", volume);
return Result::INVALID_ARGUMENTS;
}
return analyzeStatus("set_master_volume", mDevice->set_master_volume(mDevice, volume),
{ENOSYS} /*ignore*/);
}
Return<void> Device::getMasterVolume(getMasterVolume_cb _hidl_cb) {
Result retval(Result::NOT_SUPPORTED);
float volume = 0;
if (mDevice->get_master_volume != NULL) {
retval = analyzeStatus("get_master_volume", mDevice->get_master_volume(mDevice, &volume),
{ENOSYS} /*ignore*/);
}
_hidl_cb(retval, volume);
return Void();
}
Return<Result> Device::setMicMute(bool mute) {
return analyzeStatus("set_mic_mute", mDevice->set_mic_mute(mDevice, mute), {ENOSYS} /*ignore*/);
}
Return<void> Device::getMicMute(getMicMute_cb _hidl_cb) {
bool mute = false;
Result retval = analyzeStatus("get_mic_mute", mDevice->get_mic_mute(mDevice, &mute),
{ENOSYS} /*ignore*/);
_hidl_cb(retval, mute);
return Void();
}
Return<Result> Device::setMasterMute(bool mute) {
Result retval(Result::NOT_SUPPORTED);
if (mDevice->set_master_mute != NULL) {
retval = analyzeStatus("set_master_mute", mDevice->set_master_mute(mDevice, mute),
{ENOSYS} /*ignore*/);
}
return retval;
}
Return<void> Device::getMasterMute(getMasterMute_cb _hidl_cb) {
Result retval(Result::NOT_SUPPORTED);
bool mute = false;
if (mDevice->get_master_mute != NULL) {
retval = analyzeStatus("get_master_mute", mDevice->get_master_mute(mDevice, &mute),
{ENOSYS} /*ignore*/);
}
_hidl_cb(retval, mute);
return Void();
}
Return<void> Device::getInputBufferSize(const AudioConfig& config, getInputBufferSize_cb _hidl_cb) {
audio_config_t halConfig;
Result retval(Result::INVALID_ARGUMENTS);
uint64_t bufferSize = 0;
if (HidlUtils::audioConfigToHal(config, &halConfig) == NO_ERROR) {
size_t halBufferSize = mDevice->get_input_buffer_size(mDevice, &halConfig);
if (halBufferSize != 0) {
retval = Result::OK;
bufferSize = halBufferSize;
}
}
_hidl_cb(retval, bufferSize);
return Void();
}
std::tuple<Result, sp<IStreamOut>> Device::openOutputStreamImpl(int32_t ioHandle,
const DeviceAddress& device,
const AudioConfig& config,
const AudioOutputFlags& flags,
AudioConfig* suggestedConfig) {
audio_config_t halConfig;
if (HidlUtils::audioConfigToHal(config, &halConfig) != NO_ERROR) {
return {Result::INVALID_ARGUMENTS, nullptr};
}
audio_stream_out_t* halStream;
audio_devices_t halDevice;
char halDeviceAddress[AUDIO_DEVICE_MAX_ADDRESS_LEN];
if (CoreUtils::deviceAddressToHal(device, &halDevice, halDeviceAddress) != NO_ERROR) {
return {Result::INVALID_ARGUMENTS, nullptr};
}
audio_output_flags_t halFlags;
if (CoreUtils::audioOutputFlagsToHal(flags, &halFlags) != NO_ERROR) {
return {Result::INVALID_ARGUMENTS, nullptr};
}
ALOGV("open_output_stream handle: %d devices: %x flags: %#x "
"srate: %d format %#x channels %x address %s",
ioHandle, halDevice, halFlags, halConfig.sample_rate, halConfig.format,
halConfig.channel_mask, halDeviceAddress);
int status = mDevice->open_output_stream(mDevice, ioHandle, halDevice, halFlags, &halConfig,
&halStream, halDeviceAddress);
ALOGV("open_output_stream status %d stream %p", status, halStream);
sp<IStreamOut> streamOut;
if (status == OK) {
streamOut = new StreamOut(this, halStream);
++mOpenedStreamsCount;
}
status_t convertStatus =
HidlUtils::audioConfigFromHal(halConfig, false /*isInput*/, suggestedConfig);
ALOGW_IF(convertStatus != OK, "%s: suggested config with incompatible fields", __func__);
return {analyzeStatus("open_output_stream", status, {EINVAL} /*ignore*/), streamOut};
}
std::tuple<Result, sp<IStreamIn>> Device::openInputStreamImpl(
int32_t ioHandle, const DeviceAddress& device, const AudioConfig& config,
const AudioInputFlags& flags, AudioSource source, AudioConfig* suggestedConfig) {
audio_config_t halConfig;
if (HidlUtils::audioConfigToHal(config, &halConfig) != NO_ERROR) {
return {Result::INVALID_ARGUMENTS, nullptr};
}
audio_stream_in_t* halStream;
audio_devices_t halDevice;
char halDeviceAddress[AUDIO_DEVICE_MAX_ADDRESS_LEN];
if (CoreUtils::deviceAddressToHal(device, &halDevice, halDeviceAddress) != NO_ERROR) {
return {Result::INVALID_ARGUMENTS, nullptr};
}
audio_input_flags_t halFlags;
audio_source_t halSource;
if (CoreUtils::audioInputFlagsToHal(flags, &halFlags) != NO_ERROR ||
HidlUtils::audioSourceToHal(source, &halSource) != NO_ERROR) {
return {Result::INVALID_ARGUMENTS, nullptr};
}
ALOGV("open_input_stream handle: %d devices: %x flags: %#x "
"srate: %d format %#x channels %x address %s source %d",
ioHandle, halDevice, halFlags, halConfig.sample_rate, halConfig.format,
halConfig.channel_mask, halDeviceAddress, halSource);
int status = mDevice->open_input_stream(mDevice, ioHandle, halDevice, &halConfig, &halStream,
halFlags, halDeviceAddress, halSource);
ALOGV("open_input_stream status %d stream %p", status, halStream);
sp<IStreamIn> streamIn;
if (status == OK) {
streamIn = new StreamIn(this, halStream);
++mOpenedStreamsCount;
}
status_t convertStatus =
HidlUtils::audioConfigFromHal(halConfig, true /*isInput*/, suggestedConfig);
ALOGW_IF(convertStatus != OK, "%s: suggested config with incompatible fields", __func__);
return {analyzeStatus("open_input_stream", status, {EINVAL} /*ignore*/), streamIn};
}
#if MAJOR_VERSION == 2
Return<void> Device::openOutputStream(int32_t ioHandle, const DeviceAddress& device,
const AudioConfig& config, AudioOutputFlags flags,
openOutputStream_cb _hidl_cb) {
AudioConfig suggestedConfig;
auto [result, streamOut] =
openOutputStreamImpl(ioHandle, device, config, flags, &suggestedConfig);
_hidl_cb(result, streamOut, suggestedConfig);
return Void();
}
Return<void> Device::openInputStream(int32_t ioHandle, const DeviceAddress& device,
const AudioConfig& config, AudioInputFlags flags,
AudioSource source, openInputStream_cb _hidl_cb) {
AudioConfig suggestedConfig;
auto [result, streamIn] =
openInputStreamImpl(ioHandle, device, config, flags, source, &suggestedConfig);
_hidl_cb(result, streamIn, suggestedConfig);
return Void();
}
#elif MAJOR_VERSION >= 4
Return<void> Device::openOutputStream(int32_t ioHandle, const DeviceAddress& device,
const AudioConfig& config,
#if MAJOR_VERSION <= 6
AudioOutputFlags flags,
#else
const AudioOutputFlags& flags,
#endif
const SourceMetadata& sourceMetadata,
openOutputStream_cb _hidl_cb) {
#if MAJOR_VERSION <= 6
if (status_t status = CoreUtils::sourceMetadataToHal(sourceMetadata, nullptr);
status != NO_ERROR) {
#else
if (status_t status = CoreUtils::sourceMetadataToHalV7(sourceMetadata,
false /*ignoreNonVendorTags*/, nullptr);
status != NO_ERROR) {
#endif
_hidl_cb(analyzeStatus("sourceMetadataToHal", status), nullptr, AudioConfig{});
return Void();
}
AudioConfig suggestedConfig;
auto [result, streamOut] =
openOutputStreamImpl(ioHandle, device, config, flags, &suggestedConfig);
if (streamOut) {
streamOut->updateSourceMetadata(sourceMetadata);
}
_hidl_cb(result, streamOut, suggestedConfig);
return Void();
}
Return<void> Device::openInputStream(int32_t ioHandle, const DeviceAddress& device,
const AudioConfig& config,
#if MAJOR_VERSION <= 6
AudioInputFlags flags,
#else
const AudioInputFlags& flags,
#endif
const SinkMetadata& sinkMetadata,
openInputStream_cb _hidl_cb) {
if (sinkMetadata.tracks.size() == 0) {
// This should never happen, the framework must not create as stream
// if there is no client
ALOGE("openInputStream called without tracks connected");
_hidl_cb(Result::INVALID_ARGUMENTS, nullptr, AudioConfig{});
return Void();
}
#if MAJOR_VERSION <= 6
if (status_t status = CoreUtils::sinkMetadataToHal(sinkMetadata, nullptr); status != NO_ERROR) {
#else
if (status_t status = CoreUtils::sinkMetadataToHalV7(sinkMetadata,
false /*ignoreNonVendorTags*/, nullptr);
status != NO_ERROR) {
#endif
_hidl_cb(analyzeStatus("sinkMetadataToHal", status), nullptr, AudioConfig{});
return Void();
}
// Pick the first one as the main.
AudioSource source = sinkMetadata.tracks[0].source;
AudioConfig suggestedConfig;
auto [result, streamIn] =
openInputStreamImpl(ioHandle, device, config, flags, source, &suggestedConfig);
if (streamIn) {
streamIn->updateSinkMetadata(sinkMetadata);
}
_hidl_cb(result, streamIn, suggestedConfig);
return Void();
}
#endif /* MAJOR_VERSION */
Return<bool> Device::supportsAudioPatches() {
return version() >= AUDIO_DEVICE_API_VERSION_3_0;
}
Return<void> Device::createAudioPatch(const hidl_vec<AudioPortConfig>& sources,
const hidl_vec<AudioPortConfig>& sinks,
createAudioPatch_cb _hidl_cb) {
auto [retval, patch] = createOrUpdateAudioPatch(AudioPatchHandle{}, sources, sinks);
_hidl_cb(retval, patch);
return Void();
}
std::tuple<Result, AudioPatchHandle> Device::createOrUpdateAudioPatch(
AudioPatchHandle patch, const hidl_vec<AudioPortConfig>& sources,
const hidl_vec<AudioPortConfig>& sinks) {
Result retval(Result::NOT_SUPPORTED);
if (version() >= AUDIO_DEVICE_API_VERSION_3_0) {
audio_patch_handle_t halPatch = static_cast<audio_patch_handle_t>(patch);
std::unique_ptr<audio_port_config[]> halSources;
if (status_t status = HidlUtils::audioPortConfigsToHal(sources, &halSources);
status != NO_ERROR) {
return {analyzeStatus("audioPortConfigsToHal;sources", status), patch};
}
std::unique_ptr<audio_port_config[]> halSinks;
if (status_t status = HidlUtils::audioPortConfigsToHal(sinks, &halSinks);
status != NO_ERROR) {
return {analyzeStatus("audioPortConfigsToHal;sinks", status), patch};
}
retval = analyzeStatus("create_audio_patch",
mDevice->create_audio_patch(mDevice, sources.size(), &halSources[0],
sinks.size(), &halSinks[0], &halPatch));
if (retval == Result::OK) {
patch = static_cast<AudioPatchHandle>(halPatch);
}
}
return {retval, patch};
}
Return<Result> Device::releaseAudioPatch(int32_t patch) {
if (version() >= AUDIO_DEVICE_API_VERSION_3_0) {
return analyzeStatus(
"release_audio_patch",
mDevice->release_audio_patch(mDevice, static_cast<audio_patch_handle_t>(patch)));
}
return Result::NOT_SUPPORTED;
}
template <typename HalPort>
Return<void> Device::getAudioPortImpl(const AudioPort& port, getAudioPort_cb _hidl_cb,
int (*halGetter)(audio_hw_device_t*, HalPort*),
const char* halGetterName) {
if (halGetter == nullptr) {
_hidl_cb(Result::NOT_SUPPORTED, port);
return Void();
}
HalPort halPort;
if (status_t status = HidlUtils::audioPortToHal(port, &halPort); status != NO_ERROR) {
_hidl_cb(analyzeStatus("audioPortToHal", status), port);
return Void();
}
Result retval = analyzeStatus(halGetterName, halGetter(mDevice, &halPort));
AudioPort resultPort = port;
if (retval == Result::OK) {
if (status_t status = HidlUtils::audioPortFromHal(halPort, &resultPort);
status != NO_ERROR) {
_hidl_cb(analyzeStatus("audioPortFromHal", status), port);
return Void();
}
}
_hidl_cb(retval, resultPort);
return Void();
}
#if MAJOR_VERSION <= 6
Return<void> Device::getAudioPort(const AudioPort& port, getAudioPort_cb _hidl_cb) {
return getAudioPortImpl(port, _hidl_cb, mDevice->get_audio_port, "get_audio_port");
}
#else
Return<void> Device::getAudioPort(const AudioPort& port, getAudioPort_cb _hidl_cb) {
if (version() >= AUDIO_DEVICE_API_VERSION_3_2) {
// get_audio_port_v7 is mandatory if legacy HAL support this API version.
return getAudioPortImpl(port, _hidl_cb, mDevice->get_audio_port_v7, "get_audio_port_v7");
} else {
return getAudioPortImpl(port, _hidl_cb, mDevice->get_audio_port, "get_audio_port");
}
}
#endif
Return<Result> Device::setAudioPortConfig(const AudioPortConfig& config) {
if (version() >= AUDIO_DEVICE_API_VERSION_3_0) {
struct audio_port_config halPortConfig;
if (status_t status = HidlUtils::audioPortConfigToHal(config, &halPortConfig);
status != NO_ERROR) {
return analyzeStatus("audioPortConfigToHal", status);
}
return analyzeStatus("set_audio_port_config",
mDevice->set_audio_port_config(mDevice, &halPortConfig));
}
return Result::NOT_SUPPORTED;
}
#if MAJOR_VERSION == 2
Return<AudioHwSync> Device::getHwAvSync() {
int halHwAvSync;
Result retval = getParam(AudioParameter::keyHwAvSync, &halHwAvSync);
return retval == Result::OK ? halHwAvSync : AUDIO_HW_SYNC_INVALID;
}
#elif MAJOR_VERSION >= 4
Return<void> Device::getHwAvSync(getHwAvSync_cb _hidl_cb) {
int halHwAvSync;
Result retval = getParam(AudioParameter::keyHwAvSync, &halHwAvSync);
_hidl_cb(retval, halHwAvSync);
return Void();
}
#endif
Return<Result> Device::setScreenState(bool turnedOn) {
return setParam(AudioParameter::keyScreenState, turnedOn);
}
#if MAJOR_VERSION == 2
Return<void> Device::getParameters(const hidl_vec<hidl_string>& keys, getParameters_cb _hidl_cb) {
getParametersImpl({}, keys, _hidl_cb);
return Void();
}
Return<Result> Device::setParameters(const hidl_vec<ParameterValue>& parameters) {
return setParametersImpl({} /* context */, parameters);
}
#elif MAJOR_VERSION >= 4
Return<void> Device::getParameters(const hidl_vec<ParameterValue>& context,
const hidl_vec<hidl_string>& keys, getParameters_cb _hidl_cb) {
getParametersImpl(context, keys, _hidl_cb);
return Void();
}
Return<Result> Device::setParameters(const hidl_vec<ParameterValue>& context,
const hidl_vec<ParameterValue>& parameters) {
return setParametersImpl(context, parameters);
}
#endif
#if MAJOR_VERSION == 2
Return<void> Device::debugDump(const hidl_handle& fd) {
return debug(fd, {});
}
#endif
Return<void> Device::debug(const hidl_handle& fd, const hidl_vec<hidl_string>& options) {
if (fd.getNativeHandle() != nullptr && fd->numFds == 1) {
const int fd0 = fd->data[0];
bool dumpMem = false;
bool unreachableMemory = false;
for (const auto& option : options) {
if (option == "-m") {
dumpMem = true;
} else if (option == "--unreachable") {
unreachableMemory = true;
}
}
if (dumpMem) {
dprintf(fd0, "\nDumping memory:\n");
std::string s = dumpMemoryAddresses(100 /* limit */);
write(fd0, s.c_str(), s.size());
}
if (unreachableMemory) {
dprintf(fd0, "\nDumping unreachable memory:\n");
// TODO - should limit be an argument parameter?
std::string s = GetUnreachableMemoryString(true /* contents */, 100 /* limit */);
write(fd0, s.c_str(), s.size());
}
analyzeStatus("dump", mDevice->dump(mDevice, fd0));
}
return Void();
}
#if MAJOR_VERSION >= 4
Return<void> Device::getMicrophones(getMicrophones_cb _hidl_cb) {
Result retval = Result::NOT_SUPPORTED;
size_t actual_mics = AUDIO_MICROPHONE_MAX_COUNT;
audio_microphone_characteristic_t mic_array[AUDIO_MICROPHONE_MAX_COUNT];
hidl_vec<MicrophoneInfo> microphones;
if (mDevice->get_microphones != NULL &&
mDevice->get_microphones(mDevice, &mic_array[0], &actual_mics) == 0) {
microphones.resize(actual_mics);
for (size_t i = 0; i < actual_mics; ++i) {
(void)CoreUtils::microphoneInfoFromHal(mic_array[i], &microphones[i]);
}
retval = Result::OK;
}
_hidl_cb(retval, microphones);
return Void();
}
Return<Result> Device::setConnectedState(const DeviceAddress& address, bool connected) {
auto key = connected ? AudioParameter::keyDeviceConnect : AudioParameter::keyDeviceDisconnect;
return setParam(key, address);
}
#endif
Result Device::doClose() {
if (mIsClosed || mOpenedStreamsCount != 0) return Result::INVALID_STATE;
mIsClosed = true;
return analyzeStatus("close", audio_hw_device_close(mDevice));
}
#if MAJOR_VERSION >= 6
Return<Result> Device::close() {
return doClose();
}
Return<Result> Device::addDeviceEffect(AudioPortHandle device, uint64_t effectId) {
if (version() < AUDIO_DEVICE_API_VERSION_3_1 || mDevice->add_device_effect == nullptr) {
return Result::NOT_SUPPORTED;
}
effect_handle_t halEffect = EffectMap::getInstance().get(effectId);
if (halEffect != NULL) {
return analyzeStatus("add_device_effect",
mDevice->add_device_effect(
mDevice, static_cast<audio_port_handle_t>(device), halEffect));
} else {
ALOGW("%s Invalid effect ID passed from client: %" PRIu64 "", __func__, effectId);
return Result::INVALID_ARGUMENTS;
}
}
Return<Result> Device::removeDeviceEffect(AudioPortHandle device, uint64_t effectId) {
if (version() < AUDIO_DEVICE_API_VERSION_3_1 || mDevice->remove_device_effect == nullptr) {
return Result::NOT_SUPPORTED;
}
effect_handle_t halEffect = EffectMap::getInstance().get(effectId);
if (halEffect != NULL) {
return analyzeStatus("remove_device_effect",
mDevice->remove_device_effect(
mDevice, static_cast<audio_port_handle_t>(device), halEffect));
} else {
ALOGW("%s Invalid effect ID passed from client: %" PRIu64 "", __func__, effectId);
return Result::INVALID_ARGUMENTS;
}
}
Return<void> Device::updateAudioPatch(int32_t previousPatch,
const hidl_vec<AudioPortConfig>& sources,
const hidl_vec<AudioPortConfig>& sinks,
createAudioPatch_cb _hidl_cb) {
if (previousPatch != static_cast<int32_t>(AudioPatchHandle{})) {
auto [retval, patch] = createOrUpdateAudioPatch(previousPatch, sources, sinks);
_hidl_cb(retval, patch);
} else {
_hidl_cb(Result::INVALID_ARGUMENTS, previousPatch);
}
return Void();
}
#endif
} // namespace implementation
} // namespace CPP_VERSION
} // namespace audio
} // namespace hardware
} // namespace android

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audio/DevicesFactory.cpp
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/*
* Copyright (C) 2018 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 "DevicesFactoryHAL"
#include "core/default/DevicesFactory.h"
#include "core/default/Device.h"
#include "core/default/PrimaryDevice.h"
#include <string.h>
#include <android/log.h>
namespace android {
namespace hardware {
namespace audio {
namespace CPP_VERSION {
namespace implementation {
#if MAJOR_VERSION == 2
Return<void> DevicesFactory::openDevice(IDevicesFactory::Device device, openDevice_cb _hidl_cb) {
switch (device) {
case IDevicesFactory::Device::PRIMARY:
return openDevice<PrimaryDevice>(AUDIO_HARDWARE_MODULE_ID_PRIMARY, _hidl_cb);
case IDevicesFactory::Device::A2DP:
return openDevice(AUDIO_HARDWARE_MODULE_ID_A2DP, _hidl_cb);
case IDevicesFactory::Device::USB:
return openDevice(AUDIO_HARDWARE_MODULE_ID_USB, _hidl_cb);
case IDevicesFactory::Device::R_SUBMIX:
return openDevice(AUDIO_HARDWARE_MODULE_ID_REMOTE_SUBMIX, _hidl_cb);
case IDevicesFactory::Device::STUB:
return openDevice(AUDIO_HARDWARE_MODULE_ID_STUB, _hidl_cb);
}
_hidl_cb(Result::INVALID_ARGUMENTS, nullptr);
return Void();
}
#elif MAJOR_VERSION >= 4
Return<void> DevicesFactory::openDevice(const hidl_string& moduleName, openDevice_cb _hidl_cb) {
if (moduleName == AUDIO_HARDWARE_MODULE_ID_PRIMARY) {
return openDevice<PrimaryDevice>(moduleName.c_str(), _hidl_cb);
}
return openDevice(moduleName.c_str(), _hidl_cb);
}
Return<void> DevicesFactory::openPrimaryDevice(openPrimaryDevice_cb _hidl_cb) {
return openDevice<PrimaryDevice>(AUDIO_HARDWARE_MODULE_ID_PRIMARY, _hidl_cb);
}
#endif
Return<void> DevicesFactory::openDevice(const char* moduleName, openDevice_cb _hidl_cb) {
return openDevice<implementation::Device>(moduleName, _hidl_cb);
}
template <class DeviceShim, class Callback>
Return<void> DevicesFactory::openDevice(const char* moduleName, Callback _hidl_cb) {
audio_hw_device_t* halDevice;
Result retval(Result::INVALID_ARGUMENTS);
sp<DeviceShim> result;
int halStatus = loadAudioInterface(moduleName, &halDevice);
if (halStatus == OK) {
result = new DeviceShim(halDevice);
retval = Result::OK;
} else if (halStatus == -EINVAL) {
retval = Result::NOT_INITIALIZED;
}
_hidl_cb(retval, result);
return Void();
}
// static
int DevicesFactory::loadAudioInterface(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 = -EINVAL;
audio_hw_device_close(*dev);
goto out;
}
return OK;
out:
*dev = NULL;
return rc;
}
IDevicesFactory* HIDL_FETCH_IDevicesFactory(const char* name) {
return strcmp(name, "default") == 0 ? new DevicesFactory() : nullptr;
}
} // namespace implementation
} // namespace CPP_VERSION
} // namespace audio
} // namespace hardware
} // namespace android

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audio/ParametersUtil.cpp
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/*
* Copyright (C) 2018 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 "core/default/ParametersUtil.h"
#include "core/default/Util.h"
#include <system/audio.h>
#include <util/CoreUtils.h>
namespace android {
namespace hardware {
namespace audio {
namespace CPP_VERSION {
namespace implementation {
/** Converts a status_t in Result according to the rules of AudioParameter::get*
* Note: Static method and not private method to avoid leaking status_t dependency
*/
static Result getHalStatusToResult(status_t status) {
switch (status) {
case OK:
return Result::OK;
case BAD_VALUE: // Nothing was returned, probably because the HAL does
// not handle it
return Result::NOT_SUPPORTED;
case INVALID_OPERATION: // Conversion from string to the requested type
// failed
return Result::INVALID_ARGUMENTS;
default: // Should not happen
ALOGW("Unexpected status returned by getParam: %u", status);
return Result::INVALID_ARGUMENTS;
}
}
Result ParametersUtil::getParam(const char* name, bool* value) {
String8 halValue;
Result retval = getParam(name, &halValue);
*value = false;
if (retval == Result::OK) {
if (halValue.empty()) {
return Result::NOT_SUPPORTED;
}
*value = !(halValue == AudioParameter::valueOff);
}
return retval;
}
Result ParametersUtil::getParam(const char* name, int* value) {
const String8 halName(name);
AudioParameter keys;
keys.addKey(halName);
std::unique_ptr<AudioParameter> params = getParams(keys);
return getHalStatusToResult(params->getInt(halName, *value));
}
Result ParametersUtil::getParam(const char* name, String8* value, AudioParameter context) {
const String8 halName(name);
context.addKey(halName);
std::unique_ptr<AudioParameter> params = getParams(context);
return getHalStatusToResult(params->get(halName, *value));
}
void ParametersUtil::getParametersImpl(
const hidl_vec<ParameterValue>& context, const hidl_vec<hidl_string>& keys,
std::function<void(Result retval, const hidl_vec<ParameterValue>& parameters)> cb) {
AudioParameter halKeys;
for (auto& pair : context) {
halKeys.add(String8(pair.key.c_str()), String8(pair.value.c_str()));
}
for (size_t i = 0; i < keys.size(); ++i) {
halKeys.addKey(String8(keys[i].c_str()));
}
std::unique_ptr<AudioParameter> halValues = getParams(halKeys);
Result retval =
(keys.size() == 0 || halValues->size() != 0) ? Result::OK : Result::NOT_SUPPORTED;
hidl_vec<ParameterValue> result;
result.resize(halValues->size());
String8 halKey, halValue;
for (size_t i = 0; i < halValues->size(); ++i) {
status_t status = halValues->getAt(i, halKey, halValue);
if (status != OK) {
result.resize(0);
retval = getHalStatusToResult(status);
break;
}
result[i].key = halKey.string();
result[i].value = halValue.string();
}
cb(retval, result);
}
std::unique_ptr<AudioParameter> ParametersUtil::getParams(const AudioParameter& keys) {
String8 paramsAndValues;
char* halValues = halGetParameters(keys.keysToString().string());
if (halValues != NULL) {
paramsAndValues.setTo(halValues);
free(halValues);
} else {
paramsAndValues.clear();
}
return std::unique_ptr<AudioParameter>(new AudioParameter(paramsAndValues));
}
Result ParametersUtil::setParam(const char* name, const char* value) {
AudioParameter param;
param.add(String8(name), String8(value));
return setParams(param);
}
Result ParametersUtil::setParam(const char* name, bool value) {
AudioParameter param;
param.add(String8(name), String8(value ? AudioParameter::valueOn : AudioParameter::valueOff));
return setParams(param);
}
Result ParametersUtil::setParam(const char* name, int value) {
AudioParameter param;
param.addInt(String8(name), value);
return setParams(param);
}
Result ParametersUtil::setParam(const char* name, float value) {
AudioParameter param;
param.addFloat(String8(name), value);
return setParams(param);
}
Result ParametersUtil::setParametersImpl(const hidl_vec<ParameterValue>& context,
const hidl_vec<ParameterValue>& parameters) {
AudioParameter params;
for (auto& pair : context) {
params.add(String8(pair.key.c_str()), String8(pair.value.c_str()));
}
for (size_t i = 0; i < parameters.size(); ++i) {
params.add(String8(parameters[i].key.c_str()), String8(parameters[i].value.c_str()));
}
return setParams(params);
}
Result ParametersUtil::setParam(const char* name, const DeviceAddress& address) {
audio_devices_t halDeviceType;
char halDeviceAddress[AUDIO_DEVICE_MAX_ADDRESS_LEN];
if (CoreUtils::deviceAddressToHal(address, &halDeviceType, halDeviceAddress) != NO_ERROR) {
return Result::INVALID_ARGUMENTS;
}
AudioParameter params{String8(halDeviceAddress)};
params.addInt(String8(name), halDeviceType);
return setParams(params);
}
Result ParametersUtil::setParams(const AudioParameter& param) {
int halStatus = halSetParameters(param.toString().string());
return util::analyzeStatus(halStatus);
}
} // namespace implementation
} // namespace CPP_VERSION
} // namespace audio
} // namespace hardware
} // namespace android

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/*
* Copyright (C) 2018 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 "PrimaryDeviceHAL"
#include "core/default/PrimaryDevice.h"
#include "core/default/Util.h"
#if MAJOR_VERSION >= 4
#include <cmath>
#endif
namespace android {
namespace hardware {
namespace audio {
namespace CPP_VERSION {
namespace implementation {
PrimaryDevice::PrimaryDevice(audio_hw_device_t* device) : mDevice(new Device(device)) {}
PrimaryDevice::~PrimaryDevice() {
// Do not call mDevice->close here. If there are any unclosed streams,
// they only hold IDevice instance, not IPrimaryDevice, thus IPrimaryDevice
// "part" of a device can be destroyed before the streams.
}
// Methods from ::android::hardware::audio::CPP_VERSION::IDevice follow.
Return<Result> PrimaryDevice::initCheck() {
return mDevice->initCheck();
}
Return<Result> PrimaryDevice::setMasterVolume(float volume) {
return mDevice->setMasterVolume(volume);
}
Return<void> PrimaryDevice::getMasterVolume(getMasterVolume_cb _hidl_cb) {
return mDevice->getMasterVolume(_hidl_cb);
}
Return<Result> PrimaryDevice::setMicMute(bool mute) {
return mDevice->setMicMute(mute);
}
Return<void> PrimaryDevice::getMicMute(getMicMute_cb _hidl_cb) {
return mDevice->getMicMute(_hidl_cb);
}
Return<Result> PrimaryDevice::setMasterMute(bool mute) {
return mDevice->setMasterMute(mute);
}
Return<void> PrimaryDevice::getMasterMute(getMasterMute_cb _hidl_cb) {
return mDevice->getMasterMute(_hidl_cb);
}
Return<void> PrimaryDevice::getInputBufferSize(const AudioConfig& config,
getInputBufferSize_cb _hidl_cb) {
return mDevice->getInputBufferSize(config, _hidl_cb);
}
#if MAJOR_VERSION == 2
Return<void> PrimaryDevice::openOutputStream(int32_t ioHandle, const DeviceAddress& device,
const AudioConfig& config, AudioOutputFlags flags,
openOutputStream_cb _hidl_cb) {
return mDevice->openOutputStream(ioHandle, device, config, flags, _hidl_cb);
}
Return<void> PrimaryDevice::openInputStream(int32_t ioHandle, const DeviceAddress& device,
const AudioConfig& config, AudioInputFlags flags,
AudioSource source, openInputStream_cb _hidl_cb) {
return mDevice->openInputStream(ioHandle, device, config, flags, source, _hidl_cb);
}
#elif MAJOR_VERSION >= 4
Return<void> PrimaryDevice::openOutputStream(int32_t ioHandle, const DeviceAddress& device,
const AudioConfig& config,
#if MAJOR_VERSION <= 6
AudioOutputFlags flags,
#else
const AudioOutputFlags& flags,
#endif
const SourceMetadata& sourceMetadata,
openOutputStream_cb _hidl_cb) {
return mDevice->openOutputStream(ioHandle, device, config, flags, sourceMetadata, _hidl_cb);
}
Return<void> PrimaryDevice::openInputStream(int32_t ioHandle, const DeviceAddress& device,
const AudioConfig& config,
#if MAJOR_VERSION <= 6
AudioInputFlags flags,
#else
const AudioInputFlags& flags,
#endif
const SinkMetadata& sinkMetadata,
openInputStream_cb _hidl_cb) {
return mDevice->openInputStream(ioHandle, device, config, flags, sinkMetadata, _hidl_cb);
}
#endif
Return<bool> PrimaryDevice::supportsAudioPatches() {
return mDevice->supportsAudioPatches();
}
Return<void> PrimaryDevice::createAudioPatch(const hidl_vec<AudioPortConfig>& sources,
const hidl_vec<AudioPortConfig>& sinks,
createAudioPatch_cb _hidl_cb) {
return mDevice->createAudioPatch(sources, sinks, _hidl_cb);
}
Return<Result> PrimaryDevice::releaseAudioPatch(int32_t patch) {
return mDevice->releaseAudioPatch(patch);
}
Return<void> PrimaryDevice::getAudioPort(const AudioPort& port, getAudioPort_cb _hidl_cb) {
return mDevice->getAudioPort(port, _hidl_cb);
}
Return<Result> PrimaryDevice::setAudioPortConfig(const AudioPortConfig& config) {
return mDevice->setAudioPortConfig(config);
}
Return<Result> PrimaryDevice::setScreenState(bool turnedOn) {
return mDevice->setScreenState(turnedOn);
}
#if MAJOR_VERSION == 2
Return<AudioHwSync> PrimaryDevice::getHwAvSync() {
return mDevice->getHwAvSync();
}
Return<void> PrimaryDevice::getParameters(const hidl_vec<hidl_string>& keys,
getParameters_cb _hidl_cb) {
return mDevice->getParameters(keys, _hidl_cb);
}
Return<Result> PrimaryDevice::setParameters(const hidl_vec<ParameterValue>& parameters) {
return mDevice->setParameters(parameters);
}
Return<void> PrimaryDevice::debugDump(const hidl_handle& fd) {
return mDevice->debugDump(fd);
}
#elif MAJOR_VERSION >= 4
Return<void> PrimaryDevice::getHwAvSync(getHwAvSync_cb _hidl_cb) {
return mDevice->getHwAvSync(_hidl_cb);
}
Return<void> PrimaryDevice::getParameters(const hidl_vec<ParameterValue>& context,
const hidl_vec<hidl_string>& keys,
getParameters_cb _hidl_cb) {
return mDevice->getParameters(context, keys, _hidl_cb);
}
Return<Result> PrimaryDevice::setParameters(const hidl_vec<ParameterValue>& context,
const hidl_vec<ParameterValue>& parameters) {
return mDevice->setParameters(context, parameters);
}
Return<void> PrimaryDevice::getMicrophones(getMicrophones_cb _hidl_cb) {
return mDevice->getMicrophones(_hidl_cb);
}
Return<Result> PrimaryDevice::setConnectedState(const DeviceAddress& address, bool connected) {
return mDevice->setConnectedState(address, connected);
}
#endif
#if MAJOR_VERSION >= 6
Return<Result> PrimaryDevice::close() {
return mDevice->close();
}
Return<Result> PrimaryDevice::addDeviceEffect(AudioPortHandle device, uint64_t effectId) {
return mDevice->addDeviceEffect(device, effectId);
}
Return<Result> PrimaryDevice::removeDeviceEffect(AudioPortHandle device, uint64_t effectId) {
return mDevice->removeDeviceEffect(device, effectId);
}
Return<void> PrimaryDevice::updateAudioPatch(int32_t previousPatch,
const hidl_vec<AudioPortConfig>& sources,
const hidl_vec<AudioPortConfig>& sinks,
updateAudioPatch_cb _hidl_cb) {
return mDevice->updateAudioPatch(previousPatch, sources, sinks, _hidl_cb);
}
#endif
// Methods from ::android::hardware::audio::CPP_VERSION::IPrimaryDevice follow.
Return<Result> PrimaryDevice::setVoiceVolume(float volume) {
if (!isGainNormalized(volume)) {
ALOGW("Can not set a voice volume (%f) outside [0,1]", volume);
return Result::INVALID_ARGUMENTS;
}
return mDevice->analyzeStatus("set_voice_volume",
mDevice->device()->set_voice_volume(mDevice->device(), volume));
}
Return<Result> PrimaryDevice::setMode(AudioMode mode) {
// INVALID, CURRENT, CNT, MAX are reserved for internal use.
// TODO: remove the values from the HIDL interface
switch (mode) {
case AudioMode::NORMAL:
case AudioMode::RINGTONE:
case AudioMode::IN_CALL:
case AudioMode::IN_COMMUNICATION:
#if MAJOR_VERSION >= 6
case AudioMode::CALL_SCREEN:
#endif
break; // Valid values
default:
return Result::INVALID_ARGUMENTS;
};
return mDevice->analyzeStatus(
"set_mode",
mDevice->device()->set_mode(mDevice->device(), static_cast<audio_mode_t>(mode)));
}
Return<void> PrimaryDevice::getBtScoNrecEnabled(getBtScoNrecEnabled_cb _hidl_cb) {
bool enabled;
Result retval = mDevice->getParam(AudioParameter::keyBtNrec, &enabled);
_hidl_cb(retval, enabled);
return Void();
}
Return<Result> PrimaryDevice::setBtScoNrecEnabled(bool enabled) {
return mDevice->setParam(AudioParameter::keyBtNrec, enabled);
}
Return<void> PrimaryDevice::getBtScoWidebandEnabled(getBtScoWidebandEnabled_cb _hidl_cb) {
bool enabled;
Result retval = mDevice->getParam(AUDIO_PARAMETER_KEY_BT_SCO_WB, &enabled);
_hidl_cb(retval, enabled);
return Void();
}
Return<Result> PrimaryDevice::setBtScoWidebandEnabled(bool enabled) {
return mDevice->setParam(AUDIO_PARAMETER_KEY_BT_SCO_WB, enabled);
}
static const char* convertTtyModeFromHIDL(IPrimaryDevice::TtyMode mode) {
switch (mode) {
case IPrimaryDevice::TtyMode::OFF:
return AUDIO_PARAMETER_VALUE_TTY_OFF;
case IPrimaryDevice::TtyMode::VCO:
return AUDIO_PARAMETER_VALUE_TTY_VCO;
case IPrimaryDevice::TtyMode::HCO:
return AUDIO_PARAMETER_VALUE_TTY_HCO;
case IPrimaryDevice::TtyMode::FULL:
return AUDIO_PARAMETER_VALUE_TTY_FULL;
default:
return nullptr;
}
}
static IPrimaryDevice::TtyMode convertTtyModeToHIDL(const char* halMode) {
if (strcmp(halMode, AUDIO_PARAMETER_VALUE_TTY_OFF) == 0)
return IPrimaryDevice::TtyMode::OFF;
else if (strcmp(halMode, AUDIO_PARAMETER_VALUE_TTY_VCO) == 0)
return IPrimaryDevice::TtyMode::VCO;
else if (strcmp(halMode, AUDIO_PARAMETER_VALUE_TTY_HCO) == 0)
return IPrimaryDevice::TtyMode::HCO;
else if (strcmp(halMode, AUDIO_PARAMETER_VALUE_TTY_FULL) == 0)
return IPrimaryDevice::TtyMode::FULL;
return IPrimaryDevice::TtyMode(-1);
}
Return<void> PrimaryDevice::getTtyMode(getTtyMode_cb _hidl_cb) {
String8 halMode;
Result retval = mDevice->getParam(AUDIO_PARAMETER_KEY_TTY_MODE, &halMode);
if (retval != Result::OK) {
_hidl_cb(retval, TtyMode::OFF);
return Void();
}
TtyMode mode = convertTtyModeToHIDL(halMode);
if (mode == TtyMode(-1)) {
ALOGE("HAL returned invalid TTY value: %s", halMode.c_str());
_hidl_cb(Result::INVALID_STATE, TtyMode::OFF);
return Void();
}
_hidl_cb(Result::OK, mode);
return Void();
}
Return<Result> PrimaryDevice::setTtyMode(IPrimaryDevice::TtyMode mode) {
const char* modeStr = convertTtyModeFromHIDL(mode);
if (modeStr == nullptr) {
ALOGW("Can not set an invalid TTY value: %d", mode);
return Result::INVALID_ARGUMENTS;
}
return mDevice->setParam(AUDIO_PARAMETER_KEY_TTY_MODE, modeStr);
}
Return<void> PrimaryDevice::getHacEnabled(getHacEnabled_cb _hidl_cb) {
bool enabled;
Result retval = mDevice->getParam(AUDIO_PARAMETER_KEY_HAC, &enabled);
_hidl_cb(retval, enabled);
return Void();
}
Return<Result> PrimaryDevice::setHacEnabled(bool enabled) {
return mDevice->setParam(AUDIO_PARAMETER_KEY_HAC, enabled);
}
#if MAJOR_VERSION >= 4
Return<Result> PrimaryDevice::setBtScoHeadsetDebugName(const hidl_string& name) {
return mDevice->setParam(AUDIO_PARAMETER_KEY_BT_SCO_HEADSET_NAME, name.c_str());
}
Return<void> PrimaryDevice::getBtHfpEnabled(getBtHfpEnabled_cb _hidl_cb) {
bool enabled;
Result retval = mDevice->getParam(AUDIO_PARAMETER_KEY_HFP_ENABLE, &enabled);
_hidl_cb(retval, enabled);
return Void();
}
Return<Result> PrimaryDevice::setBtHfpEnabled(bool enabled) {
return mDevice->setParam(AUDIO_PARAMETER_KEY_HFP_ENABLE, enabled);
}
Return<Result> PrimaryDevice::setBtHfpSampleRate(uint32_t sampleRateHz) {
return mDevice->setParam(AUDIO_PARAMETER_KEY_HFP_SET_SAMPLING_RATE, int(sampleRateHz));
}
Return<Result> PrimaryDevice::setBtHfpVolume(float volume) {
if (!isGainNormalized(volume)) {
ALOGW("Can not set BT HFP volume (%f) outside [0,1]", volume);
return Result::INVALID_ARGUMENTS;
}
// Map the normalized volume onto the range of [0, 15]
return mDevice->setParam(AUDIO_PARAMETER_KEY_HFP_VOLUME,
static_cast<int>(std::round(volume * 15)));
}
Return<Result> PrimaryDevice::updateRotation(IPrimaryDevice::Rotation rotation) {
// legacy API expects the rotation in degree
return mDevice->setParam(AUDIO_PARAMETER_KEY_ROTATION, int(rotation) * 90);
}
#endif
Return<void> PrimaryDevice::debug(const hidl_handle& fd, const hidl_vec<hidl_string>& options) {
return mDevice->debug(fd, options);
}
} // namespace implementation
} // namespace CPP_VERSION
} // namespace audio
} // namespace hardware
} // namespace android

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/*
* Copyright (C) 2018 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 "StreamHAL"
#include "core/default/Stream.h"
#include "common/all-versions/HidlSupport.h"
#include "common/all-versions/default/EffectMap.h"
#include "core/default/Util.h"
#include <inttypes.h>
#include <HidlUtils.h>
#include <android/log.h>
#include <hardware/audio.h>
#include <hardware/audio_effect.h>
#include <media/AudioContainers.h>
#include <media/TypeConverter.h>
#include <util/CoreUtils.h>
namespace android {
namespace hardware {
namespace audio {
namespace CPP_VERSION {
namespace implementation {
using ::android::hardware::audio::common::CPP_VERSION::implementation::HidlUtils;
using ::android::hardware::audio::common::utils::splitString;
Stream::Stream(bool isInput, audio_stream_t* stream) : mIsInput(isInput), mStream(stream) {
(void)mIsInput; // prevent 'unused field' warnings in pre-V7 versions.
}
Stream::~Stream() {
mStream = nullptr;
}
// static
Result Stream::analyzeStatus(const char* funcName, int status) {
return util::analyzeStatus("stream", funcName, status);
}
// static
Result Stream::analyzeStatus(const char* funcName, int status,
const std::vector<int>& ignoreErrors) {
return util::analyzeStatus("stream", funcName, status, ignoreErrors);
}
char* Stream::halGetParameters(const char* keys) {
return mStream->get_parameters(mStream, keys);
}
int Stream::halSetParameters(const char* keysAndValues) {
return mStream->set_parameters(mStream, keysAndValues);
}
// Methods from ::android::hardware::audio::CPP_VERSION::IStream follow.
Return<uint64_t> Stream::getFrameSize() {
// Needs to be implemented by interface subclasses. But can't be declared as pure virtual,
// since interface subclasses implementation do not inherit from this class.
LOG_ALWAYS_FATAL("Stream::getFrameSize is pure abstract");
return uint64_t{};
}
Return<uint64_t> Stream::getFrameCount() {
int halFrameCount;
Result retval = getParam(AudioParameter::keyFrameCount, &halFrameCount);
return retval == Result::OK ? halFrameCount : 0;
}
Return<uint64_t> Stream::getBufferSize() {
return mStream->get_buffer_size(mStream);
}
#if MAJOR_VERSION <= 6
Return<uint32_t> Stream::getSampleRate() {
return mStream->get_sample_rate(mStream);
}
#if MAJOR_VERSION == 2
Return<void> Stream::getSupportedSampleRates(getSupportedSampleRates_cb _hidl_cb) {
return getSupportedSampleRates(getFormat(), _hidl_cb);
}
Return<void> Stream::getSupportedChannelMasks(getSupportedChannelMasks_cb _hidl_cb) {
return getSupportedChannelMasks(getFormat(), _hidl_cb);
}
#endif
Return<void> Stream::getSupportedSampleRates(AudioFormat format,
getSupportedSampleRates_cb _hidl_cb) {
AudioParameter context;
context.addInt(String8(AUDIO_PARAMETER_STREAM_FORMAT), int(format));
String8 halListValue;
Result result =
getParam(AudioParameter::keyStreamSupportedSamplingRates, &halListValue, context);
hidl_vec<uint32_t> sampleRates;
SampleRateSet halSampleRates;
if (result == Result::OK) {
halSampleRates =
samplingRatesFromString(halListValue.string(), AudioParameter::valueListSeparator);
sampleRates = hidl_vec<uint32_t>(halSampleRates.begin(), halSampleRates.end());
// Legacy get_parameter does not return a status_t, thus can not advertise of failure.
// Note that this method must succeed (non empty list) if the format is supported.
if (sampleRates.size() == 0) {
result = Result::NOT_SUPPORTED;
}
}
#if MAJOR_VERSION == 2
_hidl_cb(sampleRates);
#elif MAJOR_VERSION >= 4
_hidl_cb(result, sampleRates);
#endif
return Void();
}
Return<void> Stream::getSupportedChannelMasks(AudioFormat format,
getSupportedChannelMasks_cb _hidl_cb) {
AudioParameter context;
context.addInt(String8(AUDIO_PARAMETER_STREAM_FORMAT), int(format));
String8 halListValue;
Result result = getParam(AudioParameter::keyStreamSupportedChannels, &halListValue, context);
hidl_vec<AudioChannelBitfield> channelMasks;
ChannelMaskSet halChannelMasks;
if (result == Result::OK) {
halChannelMasks =
channelMasksFromString(halListValue.string(), AudioParameter::valueListSeparator);
channelMasks.resize(halChannelMasks.size());
size_t i = 0;
for (auto channelMask : halChannelMasks) {
channelMasks[i++] = AudioChannelBitfield(channelMask);
}
// Legacy get_parameter does not return a status_t, thus can not advertise of failure.
// Note that this method must succeed (non empty list) if the format is supported.
if (channelMasks.size() == 0) {
result = Result::NOT_SUPPORTED;
}
}
#if MAJOR_VERSION == 2
_hidl_cb(channelMasks);
#elif MAJOR_VERSION >= 4
_hidl_cb(result, channelMasks);
#endif
return Void();
}
Return<Result> Stream::setSampleRate(uint32_t sampleRateHz) {
return setParam(AudioParameter::keySamplingRate, static_cast<int>(sampleRateHz));
}
Return<AudioChannelBitfield> Stream::getChannelMask() {
return AudioChannelBitfield(mStream->get_channels(mStream));
}
Return<Result> Stream::setChannelMask(AudioChannelBitfield mask) {
return setParam(AudioParameter::keyChannels, static_cast<int>(mask));
}
Return<AudioFormat> Stream::getFormat() {
return AudioFormat(mStream->get_format(mStream));
}
Return<void> Stream::getSupportedFormats(getSupportedFormats_cb _hidl_cb) {
String8 halListValue;
Result result = getParam(AudioParameter::keyStreamSupportedFormats, &halListValue);
hidl_vec<AudioFormat> formats;
FormatVector halFormats;
if (result == Result::OK) {
halFormats = formatsFromString(halListValue.string(), AudioParameter::valueListSeparator);
formats.resize(halFormats.size());
for (size_t i = 0; i < halFormats.size(); ++i) {
formats[i] = AudioFormat(halFormats[i]);
}
// Legacy get_parameter does not return a status_t, thus can not advertise of failure.
// Note that the method must not return an empty list if this capability is supported.
if (formats.size() == 0) {
result = Result::NOT_SUPPORTED;
}
}
#if MAJOR_VERSION <= 5
_hidl_cb(formats);
#elif MAJOR_VERSION >= 6
_hidl_cb(result, formats);
#endif
return Void();
}
Return<Result> Stream::setFormat(AudioFormat format) {
return setParam(AudioParameter::keyFormat, static_cast<int>(format));
}
Return<void> Stream::getAudioProperties(getAudioProperties_cb _hidl_cb) {
uint32_t halSampleRate = mStream->get_sample_rate(mStream);
audio_channel_mask_t halMask = mStream->get_channels(mStream);
audio_format_t halFormat = mStream->get_format(mStream);
_hidl_cb(halSampleRate, AudioChannelBitfield(halMask), AudioFormat(halFormat));
return Void();
}
#else // MAJOR_VERSION <= 6
Return<void> Stream::getSupportedProfiles(getSupportedProfiles_cb _hidl_cb) {
String8 halListValue;
Result result = getParam(AudioParameter::keyStreamSupportedFormats, &halListValue);
hidl_vec<AudioProfile> profiles;
if (result != Result::OK) {
_hidl_cb(result, profiles);
return Void();
}
// Ensure that the separator is one character, despite that it's defined as a C string.
static_assert(sizeof(AUDIO_PARAMETER_VALUE_LIST_SEPARATOR) == 2);
std::vector<std::string> halFormats =
splitString(halListValue.string(), AUDIO_PARAMETER_VALUE_LIST_SEPARATOR[0]);
hidl_vec<AudioFormat> formats;
(void)HidlUtils::audioFormatsFromHal(halFormats, &formats);
std::vector<AudioProfile> tempProfiles;
for (const auto& format : formats) {
audio_format_t halFormat;
if (status_t status = HidlUtils::audioFormatToHal(format, &halFormat); status != NO_ERROR) {
continue;
}
AudioParameter context;
context.addInt(String8(AUDIO_PARAMETER_STREAM_FORMAT), int(halFormat));
// Query supported sample rates for the format.
result = getParam(AudioParameter::keyStreamSupportedSamplingRates, &halListValue, context);
if (result != Result::OK) break;
std::vector<std::string> halSampleRates =
splitString(halListValue.string(), AUDIO_PARAMETER_VALUE_LIST_SEPARATOR[0]);
hidl_vec<uint32_t> sampleRates;
sampleRates.resize(halSampleRates.size());
for (size_t i = 0; i < sampleRates.size(); ++i) {
sampleRates[i] = std::stoi(halSampleRates[i]);
}
// Query supported channel masks for the format.
result = getParam(AudioParameter::keyStreamSupportedChannels, &halListValue, context);
if (result != Result::OK) break;
std::vector<std::string> halChannelMasks =
splitString(halListValue.string(), AUDIO_PARAMETER_VALUE_LIST_SEPARATOR[0]);
hidl_vec<AudioChannelMask> channelMasks;
(void)HidlUtils::audioChannelMasksFromHal(halChannelMasks, &channelMasks);
// Create a profile.
if (channelMasks.size() != 0 && sampleRates.size() != 0) {
tempProfiles.push_back({.format = format,
.sampleRates = std::move(sampleRates),
.channelMasks = std::move(channelMasks)});
}
}
// Legacy get_parameter does not return a status_t, thus can not advertise of failure.
// Note that the method must not return an empty list if this capability is supported.
if (!tempProfiles.empty()) {
profiles = tempProfiles;
} else {
result = Result::NOT_SUPPORTED;
}
_hidl_cb(result, profiles);
return Void();
}
Return<void> Stream::getAudioProperties(getAudioProperties_cb _hidl_cb) {
audio_config_base_t halConfigBase = {mStream->get_sample_rate(mStream),
mStream->get_channels(mStream),
mStream->get_format(mStream)};
AudioConfigBase configBase = {};
status_t status = HidlUtils::audioConfigBaseFromHal(halConfigBase, mIsInput, &configBase);
_hidl_cb(Stream::analyzeStatus("get_audio_properties", status), configBase);
return Void();
}
Return<Result> Stream::setAudioProperties(const AudioConfigBaseOptional& config) {
audio_config_base_t halConfigBase = AUDIO_CONFIG_BASE_INITIALIZER;
bool formatSpecified, sRateSpecified, channelMaskSpecified;
status_t status = HidlUtils::audioConfigBaseOptionalToHal(
config, &halConfigBase, &formatSpecified, &sRateSpecified, &channelMaskSpecified);
if (status != NO_ERROR) {
return Stream::analyzeStatus("set_audio_properties", status);
}
if (sRateSpecified) {
if (Result result = setParam(AudioParameter::keySamplingRate,
static_cast<int>(halConfigBase.sample_rate));
result != Result::OK) {
return result;
}
}
if (channelMaskSpecified) {
if (Result result = setParam(AudioParameter::keyChannels,
static_cast<int>(halConfigBase.channel_mask));
result != Result::OK) {
return result;
}
}
if (formatSpecified) {
if (Result result =
setParam(AudioParameter::keyFormat, static_cast<int>(halConfigBase.format));
result != Result::OK) {
return result;
}
}
return Result::OK;
}
#endif // MAJOR_VERSION <= 6
Return<Result> Stream::addEffect(uint64_t effectId) {
effect_handle_t halEffect = EffectMap::getInstance().get(effectId);
if (halEffect != NULL) {
return analyzeStatus("add_audio_effect", mStream->add_audio_effect(mStream, halEffect));
} else {
ALOGW("Invalid effect ID passed from client: %" PRIu64, effectId);
return Result::INVALID_ARGUMENTS;
}
}
Return<Result> Stream::removeEffect(uint64_t effectId) {
effect_handle_t halEffect = EffectMap::getInstance().get(effectId);
if (halEffect != NULL) {
return analyzeStatus("remove_audio_effect",
mStream->remove_audio_effect(mStream, halEffect));
} else {
ALOGW("Invalid effect ID passed from client: %" PRIu64, effectId);
return Result::INVALID_ARGUMENTS;
}
}
Return<Result> Stream::standby() {
return analyzeStatus("standby", mStream->standby(mStream));
}
Return<Result> Stream::setHwAvSync(uint32_t hwAvSync) {
return setParam(AudioParameter::keyStreamHwAvSync, static_cast<int>(hwAvSync));
}
#if MAJOR_VERSION == 2
Return<AudioDevice> Stream::getDevice() {
int device = 0;
Result retval = getParam(AudioParameter::keyRouting, &device);
return retval == Result::OK ? static_cast<AudioDevice>(device) : AudioDevice::NONE;
}
Return<Result> Stream::setDevice(const DeviceAddress& address) {
return setParam(AudioParameter::keyRouting, address);
}
Return<void> Stream::getParameters(const hidl_vec<hidl_string>& keys, getParameters_cb _hidl_cb) {
getParametersImpl({} /* context */, keys, _hidl_cb);
return Void();
}
Return<Result> Stream::setParameters(const hidl_vec<ParameterValue>& parameters) {
return setParametersImpl({} /* context */, parameters);
}
Return<Result> Stream::setConnectedState(const DeviceAddress& address, bool connected) {
return setParam(
connected ? AudioParameter::keyDeviceConnect : AudioParameter::keyDeviceDisconnect,
address);
}
#elif MAJOR_VERSION >= 4
Return<void> Stream::getDevices(getDevices_cb _hidl_cb) {
int halDevice = 0;
Result retval = getParam(AudioParameter::keyRouting, &halDevice);
hidl_vec<DeviceAddress> devices;
if (retval == Result::OK) {
devices.resize(1);
retval = Stream::analyzeStatus(
"get_devices",
CoreUtils::deviceAddressFromHal(static_cast<audio_devices_t>(halDevice), nullptr,
&devices[0]));
}
_hidl_cb(retval, devices);
return Void();
}
Return<Result> Stream::setDevices(const hidl_vec<DeviceAddress>& devices) {
// FIXME: can the legacy API set multiple device with address ?
if (devices.size() > 1) {
return Result::NOT_SUPPORTED;
}
DeviceAddress address{};
if (devices.size() == 1) {
address = devices[0];
}
return setParam(AudioParameter::keyRouting, address);
}
Return<void> Stream::getParameters(const hidl_vec<ParameterValue>& context,
const hidl_vec<hidl_string>& keys, getParameters_cb _hidl_cb) {
getParametersImpl(context, keys, _hidl_cb);
return Void();
}
Return<Result> Stream::setParameters(const hidl_vec<ParameterValue>& context,
const hidl_vec<ParameterValue>& parameters) {
return setParametersImpl(context, parameters);
}
#endif
Return<Result> Stream::start() {
return Result::NOT_SUPPORTED;
}
Return<Result> Stream::stop() {
return Result::NOT_SUPPORTED;
}
Return<void> Stream::createMmapBuffer(int32_t minSizeFrames __unused,
createMmapBuffer_cb _hidl_cb) {
Result retval(Result::NOT_SUPPORTED);
MmapBufferInfo info;
_hidl_cb(retval, info);
return Void();
}
Return<void> Stream::getMmapPosition(getMmapPosition_cb _hidl_cb) {
Result retval(Result::NOT_SUPPORTED);
MmapPosition position;
_hidl_cb(retval, position);
return Void();
}
Return<Result> Stream::close() {
return Result::NOT_SUPPORTED;
}
Return<void> Stream::debug(const hidl_handle& fd, const hidl_vec<hidl_string>& /* options */) {
if (fd.getNativeHandle() != nullptr && fd->numFds == 1) {
analyzeStatus("dump", mStream->dump(mStream, fd->data[0]));
}
return Void();
}
#if MAJOR_VERSION == 2
Return<void> Stream::debugDump(const hidl_handle& fd) {
return debug(fd, {} /* options */);
}
#endif
} // namespace implementation
} // namespace CPP_VERSION
} // namespace audio
} // namespace hardware
} // namespace android

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audio/StreamIn.cpp
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/*
* Copyright (C) 2018 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 "StreamInHAL"
#include "core/default/StreamIn.h"
#include "core/default/Util.h"
#include "common/all-versions/HidlSupport.h"
//#define LOG_NDEBUG 0
#define ATRACE_TAG ATRACE_TAG_AUDIO
#include <HidlUtils.h>
#include <android/log.h>
#include <hardware/audio.h>
#include <util/CoreUtils.h>
#include <utils/Trace.h>
#include <cmath>
#include <memory>
namespace android {
namespace hardware {
namespace audio {
namespace CPP_VERSION {
namespace implementation {
using ::android::hardware::audio::common::CPP_VERSION::implementation::HidlUtils;
namespace {
class ReadThread : public Thread {
public:
// ReadThread's lifespan never exceeds StreamIn's lifespan.
ReadThread(std::atomic<bool>* stop, audio_stream_in_t* stream, StreamIn::CommandMQ* commandMQ,
StreamIn::DataMQ* dataMQ, StreamIn::StatusMQ* statusMQ, EventFlag* efGroup)
: Thread(false /*canCallJava*/),
mStop(stop),
mStream(stream),
mCommandMQ(commandMQ),
mDataMQ(dataMQ),
mStatusMQ(statusMQ),
mEfGroup(efGroup),
mBuffer(nullptr) {}
bool init() {
mBuffer.reset(new (std::nothrow) uint8_t[mDataMQ->getQuantumCount()]);
return mBuffer != nullptr;
}
virtual ~ReadThread() {}
private:
std::atomic<bool>* mStop;
audio_stream_in_t* mStream;
StreamIn::CommandMQ* mCommandMQ;
StreamIn::DataMQ* mDataMQ;
StreamIn::StatusMQ* mStatusMQ;
EventFlag* mEfGroup;
std::unique_ptr<uint8_t[]> mBuffer;
IStreamIn::ReadParameters mParameters;
IStreamIn::ReadStatus mStatus;
bool threadLoop() override;
void doGetCapturePosition();
void doRead();
};
void ReadThread::doRead() {
size_t availableToWrite = mDataMQ->availableToWrite();
size_t requestedToRead = mParameters.params.read;
if (requestedToRead > availableToWrite) {
ALOGW(
"truncating read data from %d to %d due to insufficient data queue "
"space",
(int32_t)requestedToRead, (int32_t)availableToWrite);
requestedToRead = availableToWrite;
}
ssize_t readResult = mStream->read(mStream, &mBuffer[0], requestedToRead);
mStatus.retval = Result::OK;
if (readResult >= 0) {
mStatus.reply.read = readResult;
if (!mDataMQ->write(&mBuffer[0], readResult)) {
ALOGW("data message queue write failed");
}
} else {
mStatus.retval = Stream::analyzeStatus("read", readResult);
}
}
void ReadThread::doGetCapturePosition() {
mStatus.retval = StreamIn::getCapturePositionImpl(
mStream, &mStatus.reply.capturePosition.frames, &mStatus.reply.capturePosition.time);
}
bool ReadThread::threadLoop() {
// This implementation doesn't return control back to the Thread until it
// decides to stop,
// as the Thread uses mutexes, and this can lead to priority inversion.
while (!std::atomic_load_explicit(mStop, std::memory_order_acquire)) {
uint32_t efState = 0;
mEfGroup->wait(static_cast<uint32_t>(MessageQueueFlagBits::NOT_FULL), &efState);
if (!(efState & static_cast<uint32_t>(MessageQueueFlagBits::NOT_FULL))) {
continue; // Nothing to do.
}
if (!mCommandMQ->read(&mParameters)) {
continue; // Nothing to do.
}
mStatus.replyTo = mParameters.command;
switch (mParameters.command) {
case IStreamIn::ReadCommand::READ:
doRead();
break;
case IStreamIn::ReadCommand::GET_CAPTURE_POSITION:
doGetCapturePosition();
break;
default:
ALOGE("Unknown read thread command code %d", mParameters.command);
mStatus.retval = Result::NOT_SUPPORTED;
break;
}
if (!mStatusMQ->write(&mStatus)) {
ALOGW("status message queue write failed");
}
mEfGroup->wake(static_cast<uint32_t>(MessageQueueFlagBits::NOT_EMPTY));
}
return false;
}
} // namespace
StreamIn::StreamIn(const sp<Device>& device, audio_stream_in_t* stream)
: mDevice(device),
mStream(stream),
mStreamCommon(new Stream(true /*isInput*/, &stream->common)),
mStreamMmap(new StreamMmap<audio_stream_in_t>(stream)),
mEfGroup(nullptr),
mStopReadThread(false) {}
StreamIn::~StreamIn() {
ATRACE_CALL();
close();
if (mReadThread.get()) {
ATRACE_NAME("mReadThread->join");
status_t status = mReadThread->join();
ALOGE_IF(status, "read thread exit error: %s", strerror(-status));
}
if (mEfGroup) {
status_t status = EventFlag::deleteEventFlag(&mEfGroup);
ALOGE_IF(status, "read MQ event flag deletion error: %s", strerror(-status));
}
#if MAJOR_VERSION <= 5
mDevice->closeInputStream(mStream);
#endif
mStream = nullptr;
}
// Methods from ::android::hardware::audio::CPP_VERSION::IStream follow.
Return<uint64_t> StreamIn::getFrameSize() {
return audio_stream_in_frame_size(mStream);
}
Return<uint64_t> StreamIn::getFrameCount() {
return mStreamCommon->getFrameCount();
}
Return<uint64_t> StreamIn::getBufferSize() {
return mStreamCommon->getBufferSize();
}
#if MAJOR_VERSION <= 6
Return<uint32_t> StreamIn::getSampleRate() {
return mStreamCommon->getSampleRate();
}
#if MAJOR_VERSION == 2
Return<void> StreamIn::getSupportedChannelMasks(getSupportedChannelMasks_cb _hidl_cb) {
return mStreamCommon->getSupportedChannelMasks(_hidl_cb);
}
Return<void> StreamIn::getSupportedSampleRates(getSupportedSampleRates_cb _hidl_cb) {
return mStreamCommon->getSupportedSampleRates(_hidl_cb);
}
#endif
Return<void> StreamIn::getSupportedChannelMasks(AudioFormat format,
getSupportedChannelMasks_cb _hidl_cb) {
return mStreamCommon->getSupportedChannelMasks(format, _hidl_cb);
}
Return<void> StreamIn::getSupportedSampleRates(AudioFormat format,
getSupportedSampleRates_cb _hidl_cb) {
return mStreamCommon->getSupportedSampleRates(format, _hidl_cb);
}
Return<Result> StreamIn::setSampleRate(uint32_t sampleRateHz) {
return mStreamCommon->setSampleRate(sampleRateHz);
}
Return<AudioChannelBitfield> StreamIn::getChannelMask() {
return mStreamCommon->getChannelMask();
}
Return<Result> StreamIn::setChannelMask(AudioChannelBitfield mask) {
return mStreamCommon->setChannelMask(mask);
}
Return<AudioFormat> StreamIn::getFormat() {
return mStreamCommon->getFormat();
}
Return<void> StreamIn::getSupportedFormats(getSupportedFormats_cb _hidl_cb) {
return mStreamCommon->getSupportedFormats(_hidl_cb);
}
Return<Result> StreamIn::setFormat(AudioFormat format) {
return mStreamCommon->setFormat(format);
}
#else
Return<void> StreamIn::getSupportedProfiles(getSupportedProfiles_cb _hidl_cb) {
return mStreamCommon->getSupportedProfiles(_hidl_cb);
}
Return<Result> StreamIn::setAudioProperties(const AudioConfigBaseOptional& config) {
return mStreamCommon->setAudioProperties(config);
}
#endif // MAJOR_VERSION <= 6
Return<void> StreamIn::getAudioProperties(getAudioProperties_cb _hidl_cb) {
return mStreamCommon->getAudioProperties(_hidl_cb);
}
Return<Result> StreamIn::addEffect(uint64_t effectId) {
return mStreamCommon->addEffect(effectId);
}
Return<Result> StreamIn::removeEffect(uint64_t effectId) {
return mStreamCommon->removeEffect(effectId);
}
Return<Result> StreamIn::standby() {
return mStreamCommon->standby();
}
Return<Result> StreamIn::setHwAvSync(uint32_t hwAvSync) {
return mStreamCommon->setHwAvSync(hwAvSync);
}
#if MAJOR_VERSION == 2
Return<Result> StreamIn::setConnectedState(const DeviceAddress& address, bool connected) {
return mStreamCommon->setConnectedState(address, connected);
}
Return<AudioDevice> StreamIn::getDevice() {
return mStreamCommon->getDevice();
}
Return<Result> StreamIn::setDevice(const DeviceAddress& address) {
return mStreamCommon->setDevice(address);
}
Return<void> StreamIn::getParameters(const hidl_vec<hidl_string>& keys, getParameters_cb _hidl_cb) {
return mStreamCommon->getParameters(keys, _hidl_cb);
}
Return<Result> StreamIn::setParameters(const hidl_vec<ParameterValue>& parameters) {
return mStreamCommon->setParameters(parameters);
}
Return<void> StreamIn::debugDump(const hidl_handle& fd) {
return mStreamCommon->debugDump(fd);
}
#elif MAJOR_VERSION >= 4
Return<void> StreamIn::getDevices(getDevices_cb _hidl_cb) {
return mStreamCommon->getDevices(_hidl_cb);
}
Return<Result> StreamIn::setDevices(const hidl_vec<DeviceAddress>& devices) {
return mStreamCommon->setDevices(devices);
}
Return<void> StreamIn::getParameters(const hidl_vec<ParameterValue>& context,
const hidl_vec<hidl_string>& keys, getParameters_cb _hidl_cb) {
return mStreamCommon->getParameters(context, keys, _hidl_cb);
}
Return<Result> StreamIn::setParameters(const hidl_vec<ParameterValue>& context,
const hidl_vec<ParameterValue>& parameters) {
return mStreamCommon->setParameters(context, parameters);
}
#endif
Return<Result> StreamIn::start() {
return mStreamMmap->start();
}
Return<Result> StreamIn::stop() {
return mStreamMmap->stop();
}
Return<void> StreamIn::createMmapBuffer(int32_t minSizeFrames, createMmapBuffer_cb _hidl_cb) {
return mStreamMmap->createMmapBuffer(minSizeFrames, audio_stream_in_frame_size(mStream),
_hidl_cb);
}
Return<void> StreamIn::getMmapPosition(getMmapPosition_cb _hidl_cb) {
return mStreamMmap->getMmapPosition(_hidl_cb);
}
Return<Result> StreamIn::close() {
if (mStopReadThread.load(std::memory_order_relaxed)) { // only this thread writes
return Result::INVALID_STATE;
}
mStopReadThread.store(true, std::memory_order_release);
if (mEfGroup) {
mEfGroup->wake(static_cast<uint32_t>(MessageQueueFlagBits::NOT_FULL));
}
#if MAJOR_VERSION >= 6
mDevice->closeInputStream(mStream);
#endif
return Result::OK;
}
// Methods from ::android::hardware::audio::CPP_VERSION::IStreamIn follow.
Return<void> StreamIn::getAudioSource(getAudioSource_cb _hidl_cb) {
int halSource;
Result retval = mStreamCommon->getParam(AudioParameter::keyInputSource, &halSource);
AudioSource source = {};
if (retval == Result::OK) {
retval = Stream::analyzeStatus(
"get_audio_source",
HidlUtils::audioSourceFromHal(static_cast<audio_source_t>(halSource), &source));
}
_hidl_cb(retval, source);
return Void();
}
Return<Result> StreamIn::setGain(float gain) {
if (!isGainNormalized(gain)) {
ALOGW("Can not set a stream input gain (%f) outside [0,1]", gain);
return Result::INVALID_ARGUMENTS;
}
return Stream::analyzeStatus("set_gain", mStream->set_gain(mStream, gain));
}
Return<void> StreamIn::prepareForReading(uint32_t frameSize, uint32_t framesCount,
prepareForReading_cb _hidl_cb) {
status_t status;
#if MAJOR_VERSION <= 6
ThreadInfo threadInfo = {0, 0};
#else
int32_t threadInfo = 0;
#endif
// Wrap the _hidl_cb to return an error
auto sendError = [&threadInfo, &_hidl_cb](Result result) {
_hidl_cb(result, CommandMQ::Descriptor(), DataMQ::Descriptor(), StatusMQ::Descriptor(),
threadInfo);
};
// Create message queues.
if (mDataMQ) {
ALOGE("the client attempts to call prepareForReading twice");
sendError(Result::INVALID_STATE);
return Void();
}
std::unique_ptr<CommandMQ> tempCommandMQ(new CommandMQ(1));
// Check frameSize and framesCount
if (frameSize == 0 || framesCount == 0) {
ALOGE("Null frameSize (%u) or framesCount (%u)", frameSize, framesCount);
sendError(Result::INVALID_ARGUMENTS);
return Void();
}
if (frameSize > Stream::MAX_BUFFER_SIZE / framesCount) {
ALOGE("Buffer too big: %u*%u bytes > MAX_BUFFER_SIZE (%u)", frameSize, framesCount,
Stream::MAX_BUFFER_SIZE);
sendError(Result::INVALID_ARGUMENTS);
return Void();
}
std::unique_ptr<DataMQ> tempDataMQ(new DataMQ(frameSize * framesCount, true /* EventFlag */));
std::unique_ptr<StatusMQ> tempStatusMQ(new StatusMQ(1));
if (!tempCommandMQ->isValid() || !tempDataMQ->isValid() || !tempStatusMQ->isValid()) {
ALOGE_IF(!tempCommandMQ->isValid(), "command MQ is invalid");
ALOGE_IF(!tempDataMQ->isValid(), "data MQ is invalid");
ALOGE_IF(!tempStatusMQ->isValid(), "status MQ is invalid");
sendError(Result::INVALID_ARGUMENTS);
return Void();
}
EventFlag* tempRawEfGroup{};
status = EventFlag::createEventFlag(tempDataMQ->getEventFlagWord(), &tempRawEfGroup);
std::unique_ptr<EventFlag, void (*)(EventFlag*)> tempElfGroup(
tempRawEfGroup, [](auto* ef) { EventFlag::deleteEventFlag(&ef); });
if (status != OK || !tempElfGroup) {
ALOGE("failed creating event flag for data MQ: %s", strerror(-status));
sendError(Result::INVALID_ARGUMENTS);
return Void();
}
// Create and launch the thread.
auto tempReadThread =
sp<ReadThread>::make(&mStopReadThread, mStream, tempCommandMQ.get(), tempDataMQ.get(),
tempStatusMQ.get(), tempElfGroup.get());
if (!tempReadThread->init()) {
ALOGW("failed to start reader thread: %s", strerror(-status));
sendError(Result::INVALID_ARGUMENTS);
return Void();
}
status = tempReadThread->run("reader", PRIORITY_URGENT_AUDIO);
if (status != OK) {
ALOGW("failed to start reader thread: %s", strerror(-status));
sendError(Result::INVALID_ARGUMENTS);
return Void();
}
mCommandMQ = std::move(tempCommandMQ);
mDataMQ = std::move(tempDataMQ);
mStatusMQ = std::move(tempStatusMQ);
mReadThread = tempReadThread;
mEfGroup = tempElfGroup.release();
#if MAJOR_VERSION <= 6
threadInfo.pid = getpid();
threadInfo.tid = mReadThread->getTid();
#else
threadInfo = mReadThread->getTid();
#endif
_hidl_cb(Result::OK, *mCommandMQ->getDesc(), *mDataMQ->getDesc(), *mStatusMQ->getDesc(),
threadInfo);
return Void();
}
Return<uint32_t> StreamIn::getInputFramesLost() {
return mStream->get_input_frames_lost(mStream);
}
// static
Result StreamIn::getCapturePositionImpl(audio_stream_in_t* stream, uint64_t* frames,
uint64_t* time) {
// HAL may have a stub function, always returning ENOSYS, don't
// spam the log in this case.
static const std::vector<int> ignoredErrors{ENOSYS};
Result retval(Result::NOT_SUPPORTED);
if (stream->get_capture_position == NULL) return retval;
int64_t halFrames, halTime;
retval = Stream::analyzeStatus("get_capture_position",
stream->get_capture_position(stream, &halFrames, &halTime),
ignoredErrors);
if (retval == Result::OK) {
*frames = halFrames;
*time = halTime;
}
return retval;
};
Return<void> StreamIn::getCapturePosition(getCapturePosition_cb _hidl_cb) {
uint64_t frames = 0, time = 0;
Result retval = getCapturePositionImpl(mStream, &frames, &time);
_hidl_cb(retval, frames, time);
return Void();
}
Return<void> StreamIn::debug(const hidl_handle& fd, const hidl_vec<hidl_string>& options) {
return mStreamCommon->debug(fd, options);
}
#if MAJOR_VERSION >= 4
Result StreamIn::doUpdateSinkMetadata(const SinkMetadata& sinkMetadata) {
std::vector<record_track_metadata> halTracks;
#if MAJOR_VERSION <= 6
(void)CoreUtils::sinkMetadataToHal(sinkMetadata, &halTracks);
#else
// Validate whether a conversion to V7 is possible. This is needed
// to have a consistent behavior of the HAL regardless of the API
// version of the legacy HAL (and also to be consistent with openInputStream).
std::vector<record_track_metadata_v7> halTracksV7;
if (status_t status = CoreUtils::sinkMetadataToHalV7(
sinkMetadata, false /*ignoreNonVendorTags*/, &halTracksV7);
status == NO_ERROR) {
halTracks.reserve(halTracksV7.size());
for (auto metadata_v7 : halTracksV7) {
halTracks.push_back(std::move(metadata_v7.base));
}
} else {
return Stream::analyzeStatus("sinkMetadataToHal", status);
}
#endif // MAJOR_VERSION <= 6
const sink_metadata_t halMetadata = {
.track_count = halTracks.size(),
.tracks = halTracks.data(),
};
mStream->update_sink_metadata(mStream, &halMetadata);
return Result::OK;
}
#if MAJOR_VERSION >= 7
Result StreamIn::doUpdateSinkMetadataV7(const SinkMetadata& sinkMetadata) {
std::vector<record_track_metadata_v7> halTracks;
if (status_t status = CoreUtils::sinkMetadataToHalV7(sinkMetadata,
false /*ignoreNonVendorTags*/, &halTracks);
status != NO_ERROR) {
return Stream::analyzeStatus("sinkMetadataToHal", status);
}
const sink_metadata_v7_t halMetadata = {
.track_count = halTracks.size(),
.tracks = halTracks.data(),
};
mStream->update_sink_metadata_v7(mStream, &halMetadata);
return Result::OK;
}
#endif // MAJOR_VERSION >= 7
#if MAJOR_VERSION <= 6
Return<void> StreamIn::updateSinkMetadata(const SinkMetadata& sinkMetadata) {
if (mStream->update_sink_metadata == nullptr) {
return Void(); // not supported by the HAL
}
(void)doUpdateSinkMetadata(sinkMetadata);
return Void();
}
#elif MAJOR_VERSION >= 7
Return<Result> StreamIn::updateSinkMetadata(const SinkMetadata& sinkMetadata) {
if (mDevice->version() < AUDIO_DEVICE_API_VERSION_3_2) {
if (mStream->update_sink_metadata == nullptr) {
return Result::NOT_SUPPORTED;
}
return doUpdateSinkMetadata(sinkMetadata);
} else {
if (mStream->update_sink_metadata_v7 == nullptr) {
return Result::NOT_SUPPORTED;
}
return doUpdateSinkMetadataV7(sinkMetadata);
}
}
#endif
Return<void> StreamIn::getActiveMicrophones(getActiveMicrophones_cb _hidl_cb) {
Result retval = Result::NOT_SUPPORTED;
size_t actual_mics = AUDIO_MICROPHONE_MAX_COUNT;
audio_microphone_characteristic_t mic_array[AUDIO_MICROPHONE_MAX_COUNT];
hidl_vec<MicrophoneInfo> microphones;
if (mStream->get_active_microphones != NULL &&
mStream->get_active_microphones(mStream, &mic_array[0], &actual_mics) == 0) {
microphones.resize(actual_mics);
for (size_t i = 0; i < actual_mics; ++i) {
(void)CoreUtils::microphoneInfoFromHal(mic_array[i], &microphones[i]);
}
retval = Result::OK;
}
_hidl_cb(retval, microphones);
return Void();
}
#endif
#if MAJOR_VERSION >= 5
Return<Result> StreamIn::setMicrophoneDirection(MicrophoneDirection direction) {
if (mStream->set_microphone_direction == nullptr) {
return Result::NOT_SUPPORTED;
}
if (!common::utils::isValidHidlEnum(direction)) {
ALOGE("%s: Invalid direction %d", __func__, direction);
return Result::INVALID_ARGUMENTS;
}
return Stream::analyzeStatus(
"set_microphone_direction",
mStream->set_microphone_direction(
mStream, static_cast<audio_microphone_direction_t>(direction)));
}
Return<Result> StreamIn::setMicrophoneFieldDimension(float zoom) {
if (mStream->set_microphone_field_dimension == nullptr) {
return Result::NOT_SUPPORTED;
}
if (std::isnan(zoom) || zoom < -1 || zoom > 1) {
ALOGE("%s: Invalid zoom %f", __func__, zoom);
return Result::INVALID_ARGUMENTS;
}
return Stream::analyzeStatus("set_microphone_field_dimension",
mStream->set_microphone_field_dimension(mStream, zoom));
}
#endif
} // namespace implementation
} // namespace CPP_VERSION
} // namespace audio
} // namespace hardware
} // namespace android

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audio/StreamOut.cpp
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/*
* Copyright (C) 2018 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 "StreamOutHAL"
#include "core/default/StreamOut.h"
#include "core/default/Util.h"
//#define LOG_NDEBUG 0
#define ATRACE_TAG ATRACE_TAG_AUDIO
#include <string.h>
#include <memory>
#include <HidlUtils.h>
#include <android/log.h>
#include <audio_utils/Metadata.h>
#include <hardware/audio.h>
#include <util/CoreUtils.h>
#include <utils/Trace.h>
namespace android {
namespace hardware {
namespace audio {
namespace CPP_VERSION {
namespace implementation {
using ::android::hardware::audio::common::CPP_VERSION::implementation::HidlUtils;
namespace {
class WriteThread : public Thread {
public:
// WriteThread's lifespan never exceeds StreamOut's lifespan.
WriteThread(std::atomic<bool>* stop, audio_stream_out_t* stream,
StreamOut::CommandMQ* commandMQ, StreamOut::DataMQ* dataMQ,
StreamOut::StatusMQ* statusMQ, EventFlag* efGroup)
: Thread(false /*canCallJava*/),
mStop(stop),
mStream(stream),
mCommandMQ(commandMQ),
mDataMQ(dataMQ),
mStatusMQ(statusMQ),
mEfGroup(efGroup),
mBuffer(nullptr) {}
bool init() {
mBuffer.reset(new (std::nothrow) uint8_t[mDataMQ->getQuantumCount()]);
return mBuffer != nullptr;
}
virtual ~WriteThread() {}
private:
std::atomic<bool>* mStop;
audio_stream_out_t* mStream;
StreamOut::CommandMQ* mCommandMQ;
StreamOut::DataMQ* mDataMQ;
StreamOut::StatusMQ* mStatusMQ;
EventFlag* mEfGroup;
std::unique_ptr<uint8_t[]> mBuffer;
IStreamOut::WriteStatus mStatus;
bool threadLoop() override;
void doGetLatency();
void doGetPresentationPosition();
void doWrite();
};
void WriteThread::doWrite() {
const size_t availToRead = mDataMQ->availableToRead();
mStatus.retval = Result::OK;
mStatus.reply.written = 0;
if (mDataMQ->read(&mBuffer[0], availToRead)) {
ssize_t writeResult = mStream->write(mStream, &mBuffer[0], availToRead);
if (writeResult >= 0) {
mStatus.reply.written = writeResult;
} else {
mStatus.retval = Stream::analyzeStatus("write", writeResult);
}
}
}
void WriteThread::doGetPresentationPosition() {
mStatus.retval =
StreamOut::getPresentationPositionImpl(mStream, &mStatus.reply.presentationPosition.frames,
&mStatus.reply.presentationPosition.timeStamp);
}
void WriteThread::doGetLatency() {
mStatus.retval = Result::OK;
mStatus.reply.latencyMs = mStream->get_latency(mStream);
}
bool WriteThread::threadLoop() {
// This implementation doesn't return control back to the Thread until it
// decides to stop,
// as the Thread uses mutexes, and this can lead to priority inversion.
while (!std::atomic_load_explicit(mStop, std::memory_order_acquire)) {
uint32_t efState = 0;
mEfGroup->wait(static_cast<uint32_t>(MessageQueueFlagBits::NOT_EMPTY), &efState);
if (!(efState & static_cast<uint32_t>(MessageQueueFlagBits::NOT_EMPTY))) {
continue; // Nothing to do.
}
if (!mCommandMQ->read(&mStatus.replyTo)) {
continue; // Nothing to do.
}
switch (mStatus.replyTo) {
case IStreamOut::WriteCommand::WRITE:
doWrite();
break;
case IStreamOut::WriteCommand::GET_PRESENTATION_POSITION:
doGetPresentationPosition();
break;
case IStreamOut::WriteCommand::GET_LATENCY:
doGetLatency();
break;
default:
ALOGE("Unknown write thread command code %d", mStatus.replyTo);
mStatus.retval = Result::NOT_SUPPORTED;
break;
}
if (!mStatusMQ->write(&mStatus)) {
ALOGE("status message queue write failed");
}
mEfGroup->wake(static_cast<uint32_t>(MessageQueueFlagBits::NOT_FULL));
}
return false;
}
} // namespace
StreamOut::StreamOut(const sp<Device>& device, audio_stream_out_t* stream)
: mDevice(device),
mStream(stream),
mStreamCommon(new Stream(false /*isInput*/, &stream->common)),
mStreamMmap(new StreamMmap<audio_stream_out_t>(stream)),
mEfGroup(nullptr),
mStopWriteThread(false) {}
StreamOut::~StreamOut() {
ATRACE_CALL();
(void)close();
if (mWriteThread.get()) {
ATRACE_NAME("mWriteThread->join");
status_t status = mWriteThread->join();
ALOGE_IF(status, "write thread exit error: %s", strerror(-status));
}
if (mEfGroup) {
status_t status = EventFlag::deleteEventFlag(&mEfGroup);
ALOGE_IF(status, "write MQ event flag deletion error: %s", strerror(-status));
}
mCallback = nullptr;
#if MAJOR_VERSION <= 5
mDevice->closeOutputStream(mStream);
// Closing the output stream in the HAL waits for the callback to finish,
// and joins the callback thread. Thus is it guaranteed that the callback
// thread will not be accessing our object anymore.
#endif
mStream = nullptr;
}
// Methods from ::android::hardware::audio::CPP_VERSION::IStream follow.
Return<uint64_t> StreamOut::getFrameSize() {
return audio_stream_out_frame_size(mStream);
}
Return<uint64_t> StreamOut::getFrameCount() {
return mStreamCommon->getFrameCount();
}
Return<uint64_t> StreamOut::getBufferSize() {
return mStreamCommon->getBufferSize();
}
#if MAJOR_VERSION <= 6
Return<uint32_t> StreamOut::getSampleRate() {
return mStreamCommon->getSampleRate();
}
#if MAJOR_VERSION == 2
Return<void> StreamOut::getSupportedChannelMasks(getSupportedChannelMasks_cb _hidl_cb) {
return mStreamCommon->getSupportedChannelMasks(_hidl_cb);
}
Return<void> StreamOut::getSupportedSampleRates(getSupportedSampleRates_cb _hidl_cb) {
return mStreamCommon->getSupportedSampleRates(_hidl_cb);
}
#endif
Return<void> StreamOut::getSupportedChannelMasks(AudioFormat format,
getSupportedChannelMasks_cb _hidl_cb) {
return mStreamCommon->getSupportedChannelMasks(format, _hidl_cb);
}
Return<void> StreamOut::getSupportedSampleRates(AudioFormat format,
getSupportedSampleRates_cb _hidl_cb) {
return mStreamCommon->getSupportedSampleRates(format, _hidl_cb);
}
Return<Result> StreamOut::setSampleRate(uint32_t sampleRateHz) {
return mStreamCommon->setSampleRate(sampleRateHz);
}
Return<AudioChannelBitfield> StreamOut::getChannelMask() {
return mStreamCommon->getChannelMask();
}
Return<Result> StreamOut::setChannelMask(AudioChannelBitfield mask) {
return mStreamCommon->setChannelMask(mask);
}
Return<AudioFormat> StreamOut::getFormat() {
return mStreamCommon->getFormat();
}
Return<void> StreamOut::getSupportedFormats(getSupportedFormats_cb _hidl_cb) {
return mStreamCommon->getSupportedFormats(_hidl_cb);
}
Return<Result> StreamOut::setFormat(AudioFormat format) {
return mStreamCommon->setFormat(format);
}
#else
Return<void> StreamOut::getSupportedProfiles(getSupportedProfiles_cb _hidl_cb) {
return mStreamCommon->getSupportedProfiles(_hidl_cb);
}
Return<Result> StreamOut::setAudioProperties(const AudioConfigBaseOptional& config) {
return mStreamCommon->setAudioProperties(config);
}
#endif // MAJOR_VERSION <= 6
Return<void> StreamOut::getAudioProperties(getAudioProperties_cb _hidl_cb) {
return mStreamCommon->getAudioProperties(_hidl_cb);
}
Return<Result> StreamOut::addEffect(uint64_t effectId) {
return mStreamCommon->addEffect(effectId);
}
Return<Result> StreamOut::removeEffect(uint64_t effectId) {
return mStreamCommon->removeEffect(effectId);
}
Return<Result> StreamOut::standby() {
return mStreamCommon->standby();
}
Return<Result> StreamOut::setHwAvSync(uint32_t hwAvSync) {
return mStreamCommon->setHwAvSync(hwAvSync);
}
#if MAJOR_VERSION == 2
Return<Result> StreamOut::setConnectedState(const DeviceAddress& address, bool connected) {
return mStreamCommon->setConnectedState(address, connected);
}
Return<AudioDevice> StreamOut::getDevice() {
return mStreamCommon->getDevice();
}
Return<Result> StreamOut::setDevice(const DeviceAddress& address) {
return mStreamCommon->setDevice(address);
}
Return<void> StreamOut::getParameters(const hidl_vec<hidl_string>& keys,
getParameters_cb _hidl_cb) {
return mStreamCommon->getParameters(keys, _hidl_cb);
}
Return<Result> StreamOut::setParameters(const hidl_vec<ParameterValue>& parameters) {
return mStreamCommon->setParameters(parameters);
}
Return<void> StreamOut::debugDump(const hidl_handle& fd) {
return mStreamCommon->debugDump(fd);
}
#elif MAJOR_VERSION >= 4
Return<void> StreamOut::getDevices(getDevices_cb _hidl_cb) {
return mStreamCommon->getDevices(_hidl_cb);
}
Return<Result> StreamOut::setDevices(const hidl_vec<DeviceAddress>& devices) {
return mStreamCommon->setDevices(devices);
}
Return<void> StreamOut::getParameters(const hidl_vec<ParameterValue>& context,
const hidl_vec<hidl_string>& keys,
getParameters_cb _hidl_cb) {
return mStreamCommon->getParameters(context, keys, _hidl_cb);
}
Return<Result> StreamOut::setParameters(const hidl_vec<ParameterValue>& context,
const hidl_vec<ParameterValue>& parameters) {
return mStreamCommon->setParameters(context, parameters);
}
#endif
Return<Result> StreamOut::close() {
if (mStopWriteThread.load(std::memory_order_relaxed)) { // only this thread writes
return Result::INVALID_STATE;
}
mStopWriteThread.store(true, std::memory_order_release);
if (mEfGroup) {
mEfGroup->wake(static_cast<uint32_t>(MessageQueueFlagBits::NOT_EMPTY));
}
#if MAJOR_VERSION >= 6
mDevice->closeOutputStream(mStream);
#endif
return Result::OK;
}
// Methods from ::android::hardware::audio::CPP_VERSION::IStreamOut follow.
Return<uint32_t> StreamOut::getLatency() {
return mStream->get_latency(mStream);
}
Return<Result> StreamOut::setVolume(float left, float right) {
if (mStream->set_volume == NULL) {
return Result::NOT_SUPPORTED;
}
if (!isGainNormalized(left)) {
ALOGW("Can not set a stream output volume {%f, %f} outside [0,1]", left, right);
return Result::INVALID_ARGUMENTS;
}
return Stream::analyzeStatus("set_volume", mStream->set_volume(mStream, left, right),
{ENOSYS} /*ignore*/);
}
Return<void> StreamOut::prepareForWriting(uint32_t frameSize, uint32_t framesCount,
prepareForWriting_cb _hidl_cb) {
status_t status;
#if MAJOR_VERSION <= 6
ThreadInfo threadInfo = {0, 0};
#else
int32_t threadInfo = 0;
#endif
// Wrap the _hidl_cb to return an error
auto sendError = [&threadInfo, &_hidl_cb](Result result) {
_hidl_cb(result, CommandMQ::Descriptor(), DataMQ::Descriptor(), StatusMQ::Descriptor(),
threadInfo);
};
// Create message queues.
if (mDataMQ) {
ALOGE("the client attempts to call prepareForWriting twice");
sendError(Result::INVALID_STATE);
return Void();
}
std::unique_ptr<CommandMQ> tempCommandMQ(new CommandMQ(1));
// Check frameSize and framesCount
if (frameSize == 0 || framesCount == 0) {
ALOGE("Null frameSize (%u) or framesCount (%u)", frameSize, framesCount);
sendError(Result::INVALID_ARGUMENTS);
return Void();
}
if (frameSize > Stream::MAX_BUFFER_SIZE / framesCount) {
ALOGE("Buffer too big: %u*%u bytes > MAX_BUFFER_SIZE (%u)", frameSize, framesCount,
Stream::MAX_BUFFER_SIZE);
sendError(Result::INVALID_ARGUMENTS);
return Void();
}
std::unique_ptr<DataMQ> tempDataMQ(new DataMQ(frameSize * framesCount, true /* EventFlag */));
std::unique_ptr<StatusMQ> tempStatusMQ(new StatusMQ(1));
if (!tempCommandMQ->isValid() || !tempDataMQ->isValid() || !tempStatusMQ->isValid()) {
ALOGE_IF(!tempCommandMQ->isValid(), "command MQ is invalid");
ALOGE_IF(!tempDataMQ->isValid(), "data MQ is invalid");
ALOGE_IF(!tempStatusMQ->isValid(), "status MQ is invalid");
sendError(Result::INVALID_ARGUMENTS);
return Void();
}
EventFlag* tempRawEfGroup{};
status = EventFlag::createEventFlag(tempDataMQ->getEventFlagWord(), &tempRawEfGroup);
std::unique_ptr<EventFlag, void (*)(EventFlag*)> tempElfGroup(
tempRawEfGroup, [](auto* ef) { EventFlag::deleteEventFlag(&ef); });
if (status != OK || !tempElfGroup) {
ALOGE("failed creating event flag for data MQ: %s", strerror(-status));
sendError(Result::INVALID_ARGUMENTS);
return Void();
}
// Create and launch the thread.
auto tempWriteThread =
sp<WriteThread>::make(&mStopWriteThread, mStream, tempCommandMQ.get(), tempDataMQ.get(),
tempStatusMQ.get(), tempElfGroup.get());
if (!tempWriteThread->init()) {
ALOGW("failed to start writer thread: %s", strerror(-status));
sendError(Result::INVALID_ARGUMENTS);
return Void();
}
status = tempWriteThread->run("writer", PRIORITY_URGENT_AUDIO);
if (status != OK) {
ALOGW("failed to start writer thread: %s", strerror(-status));
sendError(Result::INVALID_ARGUMENTS);
return Void();
}
mCommandMQ = std::move(tempCommandMQ);
mDataMQ = std::move(tempDataMQ);
mStatusMQ = std::move(tempStatusMQ);
mWriteThread = tempWriteThread;
mEfGroup = tempElfGroup.release();
#if MAJOR_VERSION <= 6
threadInfo.pid = getpid();
threadInfo.tid = mWriteThread->getTid();
#else
threadInfo = mWriteThread->getTid();
#endif
_hidl_cb(Result::OK, *mCommandMQ->getDesc(), *mDataMQ->getDesc(), *mStatusMQ->getDesc(),
threadInfo);
return Void();
}
Return<void> StreamOut::getRenderPosition(getRenderPosition_cb _hidl_cb) {
uint32_t halDspFrames;
Result retval = Stream::analyzeStatus("get_render_position",
mStream->get_render_position(mStream, &halDspFrames),
{ENOSYS} /*ignore*/);
_hidl_cb(retval, halDspFrames);
return Void();
}
Return<void> StreamOut::getNextWriteTimestamp(getNextWriteTimestamp_cb _hidl_cb) {
Result retval(Result::NOT_SUPPORTED);
int64_t timestampUs = 0;
if (mStream->get_next_write_timestamp != NULL) {
retval = Stream::analyzeStatus("get_next_write_timestamp",
mStream->get_next_write_timestamp(mStream, &timestampUs),
{ENOSYS} /*ignore*/);
}
_hidl_cb(retval, timestampUs);
return Void();
}
Return<Result> StreamOut::setCallback(const sp<IStreamOutCallback>& callback) {
if (mStream->set_callback == NULL) return Result::NOT_SUPPORTED;
// Safe to pass 'this' because it is guaranteed that the callback thread
// is joined prior to exit from StreamOut's destructor.
int result = mStream->set_callback(mStream, StreamOut::asyncCallback, this);
if (result == 0) {
mCallback = callback;
}
return Stream::analyzeStatus("set_callback", result, {ENOSYS} /*ignore*/);
}
Return<Result> StreamOut::clearCallback() {
if (mStream->set_callback == NULL) return Result::NOT_SUPPORTED;
mCallback = nullptr;
return Result::OK;
}
// static
int StreamOut::asyncCallback(stream_callback_event_t event, void*, void* cookie) {
// It is guaranteed that the callback thread is joined prior
// to exiting from StreamOut's destructor. Must *not* use sp<StreamOut>
// here because it can make this code the last owner of StreamOut,
// and an attempt to run the destructor on the callback thread
// will cause a deadlock in the legacy HAL code.
StreamOut* self = reinterpret_cast<StreamOut*>(cookie);
// It's correct to hold an sp<> to callback because the reference
// in the StreamOut instance can be cleared in the meantime. There is
// no difference on which thread to run IStreamOutCallback's destructor.
sp<IStreamOutCallback> callback = self->mCallback.load();
if (callback.get() == nullptr) return 0;
ALOGV("asyncCallback() event %d", event);
Return<void> result;
switch (event) {
case STREAM_CBK_EVENT_WRITE_READY:
result = callback->onWriteReady();
break;
case STREAM_CBK_EVENT_DRAIN_READY:
result = callback->onDrainReady();
break;
case STREAM_CBK_EVENT_ERROR:
result = callback->onError();
break;
default:
ALOGW("asyncCallback() unknown event %d", event);
break;
}
ALOGW_IF(!result.isOk(), "Client callback failed: %s", result.description().c_str());
return 0;
}
Return<void> StreamOut::supportsPauseAndResume(supportsPauseAndResume_cb _hidl_cb) {
_hidl_cb(mStream->pause != NULL, mStream->resume != NULL);
return Void();
}
Return<Result> StreamOut::pause() {
return mStream->pause != NULL
? Stream::analyzeStatus("pause", mStream->pause(mStream), {ENOSYS} /*ignore*/)
: Result::NOT_SUPPORTED;
}
Return<Result> StreamOut::resume() {
return mStream->resume != NULL
? Stream::analyzeStatus("resume", mStream->resume(mStream), {ENOSYS} /*ignore*/)
: Result::NOT_SUPPORTED;
}
Return<bool> StreamOut::supportsDrain() {
return mStream->drain != NULL;
}
Return<Result> StreamOut::drain(AudioDrain type) {
audio_drain_type_t halDrainType =
type == AudioDrain::EARLY_NOTIFY ? AUDIO_DRAIN_EARLY_NOTIFY : AUDIO_DRAIN_ALL;
return mStream->drain != NULL
? Stream::analyzeStatus("drain", mStream->drain(mStream, halDrainType),
{ENOSYS} /*ignore*/)
: Result::NOT_SUPPORTED;
}
Return<Result> StreamOut::flush() {
return mStream->flush != NULL
? Stream::analyzeStatus("flush", mStream->flush(mStream), {ENOSYS} /*ignore*/)
: Result::NOT_SUPPORTED;
}
// static
Result StreamOut::getPresentationPositionImpl(audio_stream_out_t* stream, uint64_t* frames,
TimeSpec* timeStamp) {
// Don't logspam on EINVAL--it's normal for get_presentation_position
// to return it sometimes. EAGAIN may be returned by A2DP audio HAL
// implementation. ENODATA can also be reported while the writer is
// continuously querying it, but the stream has been stopped.
static const std::vector<int> ignoredErrors{EINVAL, EAGAIN, ENODATA, ENOSYS};
Result retval(Result::NOT_SUPPORTED);
if (stream->get_presentation_position == NULL) return retval;
struct timespec halTimeStamp;
retval = Stream::analyzeStatus("get_presentation_position",
stream->get_presentation_position(stream, frames, &halTimeStamp),
ignoredErrors);
if (retval == Result::OK) {
timeStamp->tvSec = halTimeStamp.tv_sec;
timeStamp->tvNSec = halTimeStamp.tv_nsec;
}
return retval;
}
Return<void> StreamOut::getPresentationPosition(getPresentationPosition_cb _hidl_cb) {
uint64_t frames = 0;
TimeSpec timeStamp = {0, 0};
Result retval = getPresentationPositionImpl(mStream, &frames, &timeStamp);
_hidl_cb(retval, frames, timeStamp);
return Void();
}
Return<Result> StreamOut::start() {
return mStreamMmap->start();
}
Return<Result> StreamOut::stop() {
return mStreamMmap->stop();
}
Return<void> StreamOut::createMmapBuffer(int32_t minSizeFrames, createMmapBuffer_cb _hidl_cb) {
return mStreamMmap->createMmapBuffer(minSizeFrames, audio_stream_out_frame_size(mStream),
_hidl_cb);
}
Return<void> StreamOut::getMmapPosition(getMmapPosition_cb _hidl_cb) {
return mStreamMmap->getMmapPosition(_hidl_cb);
}
Return<void> StreamOut::debug(const hidl_handle& fd, const hidl_vec<hidl_string>& options) {
return mStreamCommon->debug(fd, options);
}
#if MAJOR_VERSION >= 4
Result StreamOut::doUpdateSourceMetadata(const SourceMetadata& sourceMetadata) {
std::vector<playback_track_metadata_t> halTracks;
#if MAJOR_VERSION <= 6
(void)CoreUtils::sourceMetadataToHal(sourceMetadata, &halTracks);
#else
// Validate whether a conversion to V7 is possible. This is needed
// to have a consistent behavior of the HAL regardless of the API
// version of the legacy HAL (and also to be consistent with openOutputStream).
std::vector<playback_track_metadata_v7> halTracksV7;
if (status_t status = CoreUtils::sourceMetadataToHalV7(
sourceMetadata, false /*ignoreNonVendorTags*/, &halTracksV7);
status == NO_ERROR) {
halTracks.reserve(halTracksV7.size());
for (auto metadata_v7 : halTracksV7) {
halTracks.push_back(std::move(metadata_v7.base));
}
} else {
return Stream::analyzeStatus("sourceMetadataToHal", status);
}
#endif // MAJOR_VERSION <= 6
const source_metadata_t halMetadata = {
.track_count = halTracks.size(),
.tracks = halTracks.data(),
};
mStream->update_source_metadata(mStream, &halMetadata);
return Result::OK;
}
#if MAJOR_VERSION >= 7
Result StreamOut::doUpdateSourceMetadataV7(const SourceMetadata& sourceMetadata) {
std::vector<playback_track_metadata_v7> halTracks;
if (status_t status = CoreUtils::sourceMetadataToHalV7(
sourceMetadata, false /*ignoreNonVendorTags*/, &halTracks);
status != NO_ERROR) {
return Stream::analyzeStatus("sourceMetadataToHal", status);
}
const source_metadata_v7_t halMetadata = {
.track_count = halTracks.size(),
.tracks = halTracks.data(),
};
mStream->update_source_metadata_v7(mStream, &halMetadata);
return Result::OK;
}
#endif // MAJOR_VERSION >= 7
#if MAJOR_VERSION <= 6
Return<void> StreamOut::updateSourceMetadata(const SourceMetadata& sourceMetadata) {
if (mStream->update_source_metadata == nullptr) {
return Void(); // not supported by the HAL
}
(void)doUpdateSourceMetadata(sourceMetadata);
return Void();
}
#elif MAJOR_VERSION >= 7
Return<Result> StreamOut::updateSourceMetadata(const SourceMetadata& sourceMetadata) {
if (mDevice->version() < AUDIO_DEVICE_API_VERSION_3_2) {
if (mStream->update_source_metadata == nullptr) {
return Result::NOT_SUPPORTED;
}
return doUpdateSourceMetadata(sourceMetadata);
} else {
if (mStream->update_source_metadata_v7 == nullptr) {
return Result::NOT_SUPPORTED;
}
return doUpdateSourceMetadataV7(sourceMetadata);
}
}
#endif
Return<Result> StreamOut::selectPresentation(int32_t /*presentationId*/, int32_t /*programId*/) {
return Result::NOT_SUPPORTED; // TODO: propagate to legacy
}
#endif
#if MAJOR_VERSION >= 6
Return<void> StreamOut::getDualMonoMode(getDualMonoMode_cb _hidl_cb) {
audio_dual_mono_mode_t mode = AUDIO_DUAL_MONO_MODE_OFF;
Result retval = mStream->get_dual_mono_mode != nullptr
? Stream::analyzeStatus("get_dual_mono_mode",
mStream->get_dual_mono_mode(mStream, &mode))
: Result::NOT_SUPPORTED;
_hidl_cb(retval, DualMonoMode(mode));
return Void();
}
Return<Result> StreamOut::setDualMonoMode(DualMonoMode mode) {
return mStream->set_dual_mono_mode != nullptr
? Stream::analyzeStatus(
"set_dual_mono_mode",
mStream->set_dual_mono_mode(mStream,
static_cast<audio_dual_mono_mode_t>(mode)))
: Result::NOT_SUPPORTED;
}
Return<void> StreamOut::getAudioDescriptionMixLevel(getAudioDescriptionMixLevel_cb _hidl_cb) {
float leveldB = -std::numeric_limits<float>::infinity();
Result retval = mStream->get_audio_description_mix_level != nullptr
? Stream::analyzeStatus(
"get_audio_description_mix_level",
mStream->get_audio_description_mix_level(mStream, &leveldB))
: Result::NOT_SUPPORTED;
_hidl_cb(retval, leveldB);
return Void();
}
Return<Result> StreamOut::setAudioDescriptionMixLevel(float leveldB) {
return mStream->set_audio_description_mix_level != nullptr
? Stream::analyzeStatus(
"set_audio_description_mix_level",
mStream->set_audio_description_mix_level(mStream, leveldB))
: Result::NOT_SUPPORTED;
}
Return<void> StreamOut::getPlaybackRateParameters(getPlaybackRateParameters_cb _hidl_cb) {
audio_playback_rate_t rate = AUDIO_PLAYBACK_RATE_INITIALIZER;
Result retval =
mStream->get_playback_rate_parameters != nullptr
? Stream::analyzeStatus("get_playback_rate_parameters",
mStream->get_playback_rate_parameters(mStream, &rate))
: Result::NOT_SUPPORTED;
_hidl_cb(retval,
PlaybackRate{rate.mSpeed, rate.mPitch, static_cast<TimestretchMode>(rate.mStretchMode),
static_cast<TimestretchFallbackMode>(rate.mFallbackMode)});
return Void();
}
Return<Result> StreamOut::setPlaybackRateParameters(const PlaybackRate& playbackRate) {
audio_playback_rate_t rate = {
playbackRate.speed, playbackRate.pitch,
static_cast<audio_timestretch_stretch_mode_t>(playbackRate.timestretchMode),
static_cast<audio_timestretch_fallback_mode_t>(playbackRate.fallbackMode)};
return mStream->set_playback_rate_parameters != nullptr
? Stream::analyzeStatus("set_playback_rate_parameters",
mStream->set_playback_rate_parameters(mStream, &rate))
: Result::NOT_SUPPORTED;
}
Return<Result> StreamOut::setEventCallback(const sp<IStreamOutEventCallback>& callback) {
if (mStream->set_event_callback == nullptr) return Result::NOT_SUPPORTED;
int result = mStream->set_event_callback(mStream, StreamOut::asyncEventCallback, this);
if (result == 0) {
mEventCallback = callback;
}
return Stream::analyzeStatus("set_stream_out_callback", result, {ENOSYS} /*ignore*/);
}
// static
int StreamOut::asyncEventCallback(stream_event_callback_type_t event, void* param, void* cookie) {
StreamOut* self = reinterpret_cast<StreamOut*>(cookie);
sp<IStreamOutEventCallback> eventCallback = self->mEventCallback.load();
if (eventCallback.get() == nullptr) return 0;
ALOGV("%s event %d", __func__, event);
Return<void> result;
switch (event) {
case STREAM_EVENT_CBK_TYPE_CODEC_FORMAT_CHANGED: {
hidl_vec<uint8_t> audioMetadata;
// 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()
// but instead use audio_utils::metadata::dataByteStringLen().
audioMetadata.setToExternal((uint8_t*)param, audio_utils::metadata::dataByteStringLen(
(const uint8_t*)param));
result = eventCallback->onCodecFormatChanged(audioMetadata);
} break;
default:
ALOGW("%s unknown event %d", __func__, event);
break;
}
ALOGW_IF(!result.isOk(), "Client callback failed: %s", result.description().c_str());
return 0;
}
#endif
} // namespace implementation
} // namespace CPP_VERSION
} // namespace audio
} // namespace hardware
} // namespace android

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audio/include/core/default/Conversions.h
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/*
* Copyright (C) 2018 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_CONVERSIONS_H_
#define ANDROID_HARDWARE_AUDIO_CONVERSIONS_H_
#include PATH(android/hardware/audio/FILE_VERSION/types.h)
#include <string>
#include <system/audio.h>
namespace android {
namespace hardware {
namespace audio {
namespace CPP_VERSION {
namespace implementation {
using namespace ::android::hardware::audio::common::CPP_VERSION;
using namespace ::android::hardware::audio::CPP_VERSION;
std::string deviceAddressToHal(const DeviceAddress& address);
#if MAJOR_VERSION >= 4
bool halToMicrophoneCharacteristics(MicrophoneInfo* pDst,
const struct audio_microphone_characteristic_t& src);
#endif
} // namespace implementation
} // namespace CPP_VERSION
} // namespace audio
} // namespace hardware
} // namespace android
#endif // ANDROID_HARDWARE_AUDIO_CONVERSIONS_H_

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audio/include/core/default/Device.h
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/*
* Copyright (C) 2018 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_DEVICE_H
#define ANDROID_HARDWARE_AUDIO_DEVICE_H
#include PATH(android/hardware/audio/FILE_VERSION/IDevice.h)
#include "ParametersUtil.h"
#include <memory>
#include <hardware/audio.h>
#include <media/AudioParameter.h>
#include <hidl/Status.h>
#include <hidl/MQDescriptor.h>
#include <VersionUtils.h>
#include <util/CoreUtils.h>
namespace android {
namespace hardware {
namespace audio {
namespace CPP_VERSION {
namespace implementation {
using ::android::sp;
using ::android::hardware::hidl_string;
using ::android::hardware::hidl_vec;
using ::android::hardware::Return;
using ::android::hardware::Void;
using namespace ::android::hardware::audio::common::CPP_VERSION;
using namespace ::android::hardware::audio::CPP_VERSION;
using AudioInputFlags = CoreUtils::AudioInputFlags;
using AudioOutputFlags = CoreUtils::AudioOutputFlags;
struct Device : public IDevice, public ParametersUtil {
explicit Device(audio_hw_device_t* device);
// Methods from ::android::hardware::audio::CPP_VERSION::IDevice follow.
Return<Result> initCheck() override;
Return<Result> setMasterVolume(float volume) override;
Return<void> getMasterVolume(getMasterVolume_cb _hidl_cb) override;
Return<Result> setMicMute(bool mute) override;
Return<void> getMicMute(getMicMute_cb _hidl_cb) override;
Return<Result> setMasterMute(bool mute) override;
Return<void> getMasterMute(getMasterMute_cb _hidl_cb) override;
Return<void> getInputBufferSize(const AudioConfig& config,
getInputBufferSize_cb _hidl_cb) override;
std::tuple<Result, sp<IStreamOut>> openOutputStreamImpl(int32_t ioHandle,
const DeviceAddress& device,
const AudioConfig& config,
const AudioOutputFlags& flags,
AudioConfig* suggestedConfig);
std::tuple<Result, sp<IStreamIn>> openInputStreamImpl(
int32_t ioHandle, const DeviceAddress& device, const AudioConfig& config,
const AudioInputFlags& flags, AudioSource source, AudioConfig* suggestedConfig);
Return<void> openOutputStream(int32_t ioHandle, const DeviceAddress& device,
const AudioConfig& config,
#if MAJOR_VERSION <= 6
AudioOutputFlags flags,
#else
const AudioOutputFlags& flags,
#endif
#if MAJOR_VERSION >= 4
const SourceMetadata& sourceMetadata,
#endif
openOutputStream_cb _hidl_cb) override;
Return<void> openInputStream(int32_t ioHandle, const DeviceAddress& device,
const AudioConfig& config,
#if MAJOR_VERSION <= 6
AudioInputFlags flags,
#else
const AudioInputFlags& flags,
#endif
#if MAJOR_VERSION == 2
AudioSource source,
#elif MAJOR_VERSION >= 4
const SinkMetadata& sinkMetadata,
#endif
openInputStream_cb _hidl_cb) override;
Return<bool> supportsAudioPatches() override;
Return<void> createAudioPatch(const hidl_vec<AudioPortConfig>& sources,
const hidl_vec<AudioPortConfig>& sinks,
createAudioPatch_cb _hidl_cb) override;
Return<Result> releaseAudioPatch(int32_t patch) override;
Return<void> getAudioPort(const AudioPort& port, getAudioPort_cb _hidl_cb) override;
Return<Result> setAudioPortConfig(const AudioPortConfig& config) override;
Return<Result> setScreenState(bool turnedOn) override;
#if MAJOR_VERSION == 2
Return<AudioHwSync> getHwAvSync() override;
Return<void> getParameters(const hidl_vec<hidl_string>& keys,
getParameters_cb _hidl_cb) override;
Return<Result> setParameters(const hidl_vec<ParameterValue>& parameters) override;
Return<void> debugDump(const hidl_handle& fd) override;
#elif MAJOR_VERSION >= 4
Return<void> getHwAvSync(getHwAvSync_cb _hidl_cb) override;
Return<void> getParameters(const hidl_vec<ParameterValue>& context,
const hidl_vec<hidl_string>& keys,
getParameters_cb _hidl_cb) override;
Return<Result> setParameters(const hidl_vec<ParameterValue>& context,
const hidl_vec<ParameterValue>& parameters) override;
Return<void> getMicrophones(getMicrophones_cb _hidl_cb) override;
Return<Result> setConnectedState(const DeviceAddress& address, bool connected) override;
#endif
#if MAJOR_VERSION >= 6
Return<Result> close() override;
Return<Result> addDeviceEffect(AudioPortHandle device, uint64_t effectId) override;
Return<Result> removeDeviceEffect(AudioPortHandle device, uint64_t effectId) override;
Return<void> updateAudioPatch(int32_t previousPatch, const hidl_vec<AudioPortConfig>& sources,
const hidl_vec<AudioPortConfig>& sinks,
createAudioPatch_cb _hidl_cb) override;
#endif
Return<void> debug(const hidl_handle& fd, const hidl_vec<hidl_string>& options) override;
// Utility methods for extending interfaces.
Result analyzeStatus(const char* funcName, int status,
const std::vector<int>& ignoreErrors = {});
void closeInputStream(audio_stream_in_t* stream);
void closeOutputStream(audio_stream_out_t* stream);
audio_hw_device_t* device() const { return mDevice; }
uint32_t version() const { return mDevice->common.version; }
private:
bool mIsClosed;
audio_hw_device_t* mDevice;
int mOpenedStreamsCount = 0;
virtual ~Device();
Result doClose();
std::tuple<Result, AudioPatchHandle> createOrUpdateAudioPatch(
AudioPatchHandle patch, const hidl_vec<AudioPortConfig>& sources,
const hidl_vec<AudioPortConfig>& sinks);
template <typename HalPort>
Return<void> getAudioPortImpl(const AudioPort& port, getAudioPort_cb _hidl_cb,
int (*halGetter)(audio_hw_device_t*, HalPort*),
const char* halGetterName);
// Methods from ParametersUtil.
char* halGetParameters(const char* keys) override;
int halSetParameters(const char* keysAndValues) override;
};
} // namespace implementation
} // namespace CPP_VERSION
} // namespace audio
} // namespace hardware
} // namespace android
#endif // ANDROID_HARDWARE_AUDIO_DEVICE_H

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audio/include/core/default/DevicesFactory.h
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/*
* Copyright (C) 2018 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_DEVICESFACTORY_H
#define ANDROID_HARDWARE_AUDIO_DEVICESFACTORY_H
#include PATH(android/hardware/audio/FILE_VERSION/IDevicesFactory.h)
#include <hardware/audio.h>
#include <hidl/Status.h>
#include <hidl/MQDescriptor.h>
namespace android {
namespace hardware {
namespace audio {
namespace CPP_VERSION {
namespace implementation {
using ::android::sp;
using ::android::hardware::hidl_string;
using ::android::hardware::hidl_vec;
using ::android::hardware::Return;
using ::android::hardware::Void;
using namespace ::android::hardware::audio::CPP_VERSION;
struct DevicesFactory : public IDevicesFactory {
#if MAJOR_VERSION == 2
Return<void> openDevice(IDevicesFactory::Device device, openDevice_cb _hidl_cb) override;
#elif MAJOR_VERSION >= 4
Return<void> openDevice(const hidl_string& device, openDevice_cb _hidl_cb) override;
Return<void> openPrimaryDevice(openPrimaryDevice_cb _hidl_cb) override;
#endif
private:
template <class DeviceShim, class Callback>
Return<void> openDevice(const char* moduleName, Callback _hidl_cb);
Return<void> openDevice(const char* moduleName, openDevice_cb _hidl_cb);
static int loadAudioInterface(const char* if_name, audio_hw_device_t** dev);
};
extern "C" IDevicesFactory* HIDL_FETCH_IDevicesFactory(const char* name);
} // namespace implementation
} // namespace CPP_VERSION
} // namespace audio
} // namespace hardware
} // namespace android
#endif // ANDROID_HARDWARE_AUDIO_DEVICESFACTORY_H

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audio/include/core/default/ParametersUtil.h
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/*
* Copyright (C) 2018 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_PARAMETERS_UTIL_H_
#define ANDROID_HARDWARE_AUDIO_PARAMETERS_UTIL_H_
#include PATH(android/hardware/audio/FILE_VERSION/types.h)
#include <functional>
#include <memory>
#include <hidl/HidlSupport.h>
#include <media/AudioParameter.h>
namespace android {
namespace hardware {
namespace audio {
namespace CPP_VERSION {
namespace implementation {
using ::android::hardware::hidl_string;
using ::android::hardware::hidl_vec;
using namespace ::android::hardware::audio::common::CPP_VERSION;
using namespace ::android::hardware::audio::CPP_VERSION;
class ParametersUtil {
public:
Result setParam(const char* name, const char* value);
Result getParam(const char* name, bool* value);
Result getParam(const char* name, int* value);
Result getParam(const char* name, String8* value, AudioParameter context = {});
void getParametersImpl(
const hidl_vec<ParameterValue>& context, const hidl_vec<hidl_string>& keys,
std::function<void(Result retval, const hidl_vec<ParameterValue>& parameters)> cb);
std::unique_ptr<AudioParameter> getParams(const AudioParameter& keys);
Result setParam(const char* name, bool value);
Result setParam(const char* name, int value);
Result setParam(const char* name, float value);
Result setParametersImpl(const hidl_vec<ParameterValue>& context,
const hidl_vec<ParameterValue>& parameters);
Result setParams(const AudioParameter& param);
Result setParam(const char* name, const DeviceAddress& address);
protected:
virtual ~ParametersUtil() {}
virtual char* halGetParameters(const char* keys) = 0;
virtual int halSetParameters(const char* keysAndValues) = 0;
};
} // namespace implementation
} // namespace CPP_VERSION
} // namespace audio
} // namespace hardware
} // namespace android
#endif // ANDROID_HARDWARE_AUDIO_PARAMETERS_UTIL_H_

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/*
* Copyright (C) 2018 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_PRIMARYDEVICE_H
#define ANDROID_HARDWARE_AUDIO_PRIMARYDEVICE_H
#include PATH(android/hardware/audio/FILE_VERSION/IPrimaryDevice.h)
#include "Device.h"
#include <hidl/Status.h>
#include <hidl/MQDescriptor.h>
namespace android {
namespace hardware {
namespace audio {
namespace CPP_VERSION {
namespace implementation {
using ::android::sp;
using ::android::hardware::hidl_string;
using ::android::hardware::hidl_vec;
using ::android::hardware::Return;
using ::android::hardware::Void;
using namespace ::android::hardware::audio::common::CPP_VERSION;
using namespace ::android::hardware::audio::CPP_VERSION;
struct PrimaryDevice : public IPrimaryDevice {
explicit PrimaryDevice(audio_hw_device_t* device);
// Methods from ::android::hardware::audio::CPP_VERSION::IDevice follow.
Return<Result> initCheck() override;
Return<Result> setMasterVolume(float volume) override;
Return<void> getMasterVolume(getMasterVolume_cb _hidl_cb) override;
Return<Result> setMicMute(bool mute) override;
Return<void> getMicMute(getMicMute_cb _hidl_cb) override;
Return<Result> setMasterMute(bool mute) override;
Return<void> getMasterMute(getMasterMute_cb _hidl_cb) override;
Return<void> getInputBufferSize(const AudioConfig& config,
getInputBufferSize_cb _hidl_cb) override;
Return<void> openOutputStream(int32_t ioHandle, const DeviceAddress& device,
const AudioConfig& config,
#if MAJOR_VERSION <= 6
AudioOutputFlags flags,
#else
const AudioOutputFlags& flags,
#endif
#if MAJOR_VERSION >= 4
const SourceMetadata& sourceMetadata,
#endif
openOutputStream_cb _hidl_cb) override;
Return<void> openInputStream(int32_t ioHandle, const DeviceAddress& device,
const AudioConfig& config,
#if MAJOR_VERSION <= 6
AudioInputFlags flags,
#else
const AudioInputFlags& flags,
#endif
#if MAJOR_VERSION == 2
AudioSource source,
#elif MAJOR_VERSION >= 4
const SinkMetadata& sinkMetadata,
#endif
openInputStream_cb _hidl_cb) override;
Return<bool> supportsAudioPatches() override;
Return<void> createAudioPatch(const hidl_vec<AudioPortConfig>& sources,
const hidl_vec<AudioPortConfig>& sinks,
createAudioPatch_cb _hidl_cb) override;
Return<Result> releaseAudioPatch(int32_t patch) override;
Return<void> getAudioPort(const AudioPort& port, getAudioPort_cb _hidl_cb) override;
Return<Result> setAudioPortConfig(const AudioPortConfig& config) override;
Return<Result> setScreenState(bool turnedOn) override;
#if MAJOR_VERSION == 2
Return<AudioHwSync> getHwAvSync() override;
Return<void> getParameters(const hidl_vec<hidl_string>& keys,
getParameters_cb _hidl_cb) override;
Return<Result> setParameters(const hidl_vec<ParameterValue>& parameters) override;
Return<void> debugDump(const hidl_handle& fd) override;
#elif MAJOR_VERSION >= 4
Return<void> getHwAvSync(getHwAvSync_cb _hidl_cb) override;
Return<void> getParameters(const hidl_vec<ParameterValue>& context,
const hidl_vec<hidl_string>& keys,
getParameters_cb _hidl_cb) override;
Return<Result> setParameters(const hidl_vec<ParameterValue>& context,
const hidl_vec<ParameterValue>& parameters) override;
Return<void> getMicrophones(getMicrophones_cb _hidl_cb) override;
Return<Result> setConnectedState(const DeviceAddress& address, bool connected) override;
#endif
#if MAJOR_VERSION >= 6
Return<Result> close() override;
Return<Result> addDeviceEffect(AudioPortHandle device, uint64_t effectId) override;
Return<Result> removeDeviceEffect(AudioPortHandle device, uint64_t effectId) override;
Return<void> updateAudioPatch(int32_t previousPatch, const hidl_vec<AudioPortConfig>& sources,
const hidl_vec<AudioPortConfig>& sinks,
updateAudioPatch_cb _hidl_cb) override;
#endif
Return<void> debug(const hidl_handle& fd, const hidl_vec<hidl_string>& options) override;
// Methods from ::android::hardware::audio::CPP_VERSION::IPrimaryDevice follow.
Return<Result> setVoiceVolume(float volume) override;
Return<Result> setMode(AudioMode mode) override;
Return<void> getBtScoNrecEnabled(getBtScoNrecEnabled_cb _hidl_cb) override;
Return<Result> setBtScoNrecEnabled(bool enabled) override;
Return<void> getBtScoWidebandEnabled(getBtScoWidebandEnabled_cb _hidl_cb) override;
Return<Result> setBtScoWidebandEnabled(bool enabled) override;
Return<void> getTtyMode(getTtyMode_cb _hidl_cb) override;
Return<Result> setTtyMode(IPrimaryDevice::TtyMode mode) override;
Return<void> getHacEnabled(getHacEnabled_cb _hidl_cb) override;
Return<Result> setHacEnabled(bool enabled) override;
#if MAJOR_VERSION >= 4
Return<Result> setBtScoHeadsetDebugName(const hidl_string& name) override;
Return<void> getBtHfpEnabled(getBtHfpEnabled_cb _hidl_cb) override;
Return<Result> setBtHfpEnabled(bool enabled) override;
Return<Result> setBtHfpSampleRate(uint32_t sampleRateHz) override;
Return<Result> setBtHfpVolume(float volume) override;
Return<Result> updateRotation(IPrimaryDevice::Rotation rotation) override;
#endif
private:
sp<Device> mDevice;
virtual ~PrimaryDevice();
};
} // namespace implementation
} // namespace CPP_VERSION
} // namespace audio
} // namespace hardware
} // namespace android
#endif // ANDROID_HARDWARE_AUDIO_PRIMARYDEVICE_H

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audio/include/core/default/Stream.h
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/*
* Copyright (C) 2018 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_STREAM_H
#define ANDROID_HARDWARE_AUDIO_STREAM_H
#include PATH(android/hardware/audio/FILE_VERSION/IStream.h)
#include "ParametersUtil.h"
#include <vector>
#include <hardware/audio.h>
#include <hidl/Status.h>
#include <hidl/MQDescriptor.h>
#include <VersionUtils.h>
namespace android {
namespace hardware {
namespace audio {
namespace CPP_VERSION {
namespace implementation {
using ::android::sp;
using ::android::hardware::hidl_string;
using ::android::hardware::hidl_vec;
using ::android::hardware::Return;
using ::android::hardware::Void;
#if MAJOR_VERSION <= 6
using ::android::hardware::audio::common::CPP_VERSION::implementation::AudioChannelBitfield;
#endif
using namespace ::android::hardware::audio::common::CPP_VERSION;
using namespace ::android::hardware::audio::CPP_VERSION;
struct Stream : public IStream, public ParametersUtil {
Stream(bool isInput, audio_stream_t* stream);
/** 1GiB is the maximum buffer size the HAL client is allowed to request.
* This value has been chosen to be under SIZE_MAX and still big enough
* for all audio use case.
* Keep private for 2.0, put in .hal in 2.1
*/
static constexpr uint32_t MAX_BUFFER_SIZE = 2 << 30 /* == 1GiB */;
// Methods from ::android::hardware::audio::CPP_VERSION::IStream follow.
Return<uint64_t> getFrameSize() override;
Return<uint64_t> getFrameCount() override;
Return<uint64_t> getBufferSize() override;
#if MAJOR_VERSION <= 6
Return<uint32_t> getSampleRate() override;
#if MAJOR_VERSION == 2
Return<void> getSupportedSampleRates(getSupportedSampleRates_cb _hidl_cb) override;
Return<void> getSupportedChannelMasks(getSupportedChannelMasks_cb _hidl_cb) override;
#endif
Return<void> getSupportedSampleRates(AudioFormat format, getSupportedSampleRates_cb _hidl_cb);
Return<void> getSupportedChannelMasks(AudioFormat format, getSupportedChannelMasks_cb _hidl_cb);
Return<Result> setSampleRate(uint32_t sampleRateHz) override;
Return<AudioChannelBitfield> getChannelMask() override;
Return<Result> setChannelMask(AudioChannelBitfield mask) override;
Return<AudioFormat> getFormat() override;
Return<void> getSupportedFormats(getSupportedFormats_cb _hidl_cb) override;
Return<Result> setFormat(AudioFormat format) override;
#else
Return<void> getSupportedProfiles(getSupportedProfiles_cb _hidl_cb) override;
Return<Result> setAudioProperties(const AudioConfigBaseOptional& config) override;
#endif // MAJOR_VERSION <= 6
Return<void> getAudioProperties(getAudioProperties_cb _hidl_cb) override;
Return<Result> addEffect(uint64_t effectId) override;
Return<Result> removeEffect(uint64_t effectId) override;
Return<Result> standby() override;
#if MAJOR_VERSION == 2
Return<AudioDevice> getDevice() override;
Return<Result> setDevice(const DeviceAddress& address) override;
Return<void> getParameters(const hidl_vec<hidl_string>& keys,
getParameters_cb _hidl_cb) override;
Return<Result> setParameters(const hidl_vec<ParameterValue>& parameters) override;
Return<Result> setConnectedState(const DeviceAddress& address, bool connected) override;
#elif MAJOR_VERSION >= 4
Return<void> getDevices(getDevices_cb _hidl_cb) override;
Return<Result> setDevices(const hidl_vec<DeviceAddress>& devices) override;
Return<void> getParameters(const hidl_vec<ParameterValue>& context,
const hidl_vec<hidl_string>& keys,
getParameters_cb _hidl_cb) override;
Return<Result> setParameters(const hidl_vec<ParameterValue>& context,
const hidl_vec<ParameterValue>& parameters) override;
#endif
Return<Result> setHwAvSync(uint32_t hwAvSync) override;
Return<Result> start() override;
Return<Result> stop() override;
Return<void> createMmapBuffer(int32_t minSizeFrames, createMmapBuffer_cb _hidl_cb) override;
Return<void> getMmapPosition(getMmapPosition_cb _hidl_cb) override;
Return<Result> close() override;
Return<void> debug(const hidl_handle& fd, const hidl_vec<hidl_string>& options) override;
#if MAJOR_VERSION == 2
Return<void> debugDump(const hidl_handle& fd) override;
#endif
// Utility methods for extending interfaces.
static Result analyzeStatus(const char* funcName, int status);
static Result analyzeStatus(const char* funcName, int status,
const std::vector<int>& ignoreErrors);
private:
const bool mIsInput;
audio_stream_t* mStream;
virtual ~Stream();
// Methods from ParametersUtil.
char* halGetParameters(const char* keys) override;
int halSetParameters(const char* keysAndValues) override;
};
template <typename T>
struct StreamMmap : public RefBase {
explicit StreamMmap(T* stream) : mStream(stream) {}
Return<Result> start();
Return<Result> stop();
Return<void> createMmapBuffer(int32_t minSizeFrames, size_t frameSize,
IStream::createMmapBuffer_cb _hidl_cb);
Return<void> getMmapPosition(IStream::getMmapPosition_cb _hidl_cb);
private:
StreamMmap() {}
T* mStream;
};
template <typename T>
Return<Result> StreamMmap<T>::start() {
if (mStream->start == NULL) return Result::NOT_SUPPORTED;
int result = mStream->start(mStream);
return Stream::analyzeStatus("start", result);
}
template <typename T>
Return<Result> StreamMmap<T>::stop() {
if (mStream->stop == NULL) return Result::NOT_SUPPORTED;
int result = mStream->stop(mStream);
return Stream::analyzeStatus("stop", result);
}
template <typename T>
Return<void> StreamMmap<T>::createMmapBuffer(int32_t minSizeFrames, size_t frameSize,
IStream::createMmapBuffer_cb _hidl_cb) {
Result retval(Result::NOT_SUPPORTED);
MmapBufferInfo info;
native_handle_t* hidlHandle = nullptr;
if (mStream->create_mmap_buffer != NULL) {
if (minSizeFrames <= 0) {
retval = Result::INVALID_ARGUMENTS;
goto exit;
}
struct audio_mmap_buffer_info halInfo;
retval = Stream::analyzeStatus(
"create_mmap_buffer", mStream->create_mmap_buffer(mStream, minSizeFrames, &halInfo));
if (retval == Result::OK) {
hidlHandle = native_handle_create(1, 0);
hidlHandle->data[0] = halInfo.shared_memory_fd;
// Negative buffer size frame is a legacy hack to indicate that the buffer
// is shareable to applications before the relevant flag was introduced
bool applicationShareable =
halInfo.flags & AUDIO_MMAP_APPLICATION_SHAREABLE || halInfo.buffer_size_frames < 0;
halInfo.buffer_size_frames = abs(halInfo.buffer_size_frames);
info.sharedMemory = // hidl_memory size must always be positive
hidl_memory("audio_buffer", hidlHandle, frameSize * halInfo.buffer_size_frames);
#if MAJOR_VERSION == 2
if (applicationShareable) {
halInfo.buffer_size_frames *= -1;
}
#else
info.flags =
halInfo.flags | (applicationShareable ? MmapBufferFlag::APPLICATION_SHAREABLE
: MmapBufferFlag::NONE);
#endif
info.bufferSizeFrames = halInfo.buffer_size_frames;
info.burstSizeFrames = halInfo.burst_size_frames;
}
}
exit:
_hidl_cb(retval, info);
if (hidlHandle != nullptr) {
native_handle_delete(hidlHandle);
}
return Void();
}
template <typename T>
Return<void> StreamMmap<T>::getMmapPosition(IStream::getMmapPosition_cb _hidl_cb) {
Result retval(Result::NOT_SUPPORTED);
MmapPosition position;
if (mStream->get_mmap_position != NULL) {
struct audio_mmap_position halPosition;
retval = Stream::analyzeStatus("get_mmap_position",
mStream->get_mmap_position(mStream, &halPosition));
if (retval == Result::OK) {
position.timeNanoseconds = halPosition.time_nanoseconds;
position.positionFrames = halPosition.position_frames;
}
}
_hidl_cb(retval, position);
return Void();
}
} // namespace implementation
} // namespace CPP_VERSION
} // namespace audio
} // namespace hardware
} // namespace android
#endif // ANDROID_HARDWARE_AUDIO_STREAM_H

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audio/include/core/default/StreamIn.h
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/*
* Copyright (C) 2018 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_STREAMIN_H
#define ANDROID_HARDWARE_AUDIO_STREAMIN_H
#include PATH(android/hardware/audio/FILE_VERSION/IStreamIn.h)
#include "Device.h"
#include "Stream.h"
#include <atomic>
#include <memory>
#include <fmq/EventFlag.h>
#include <fmq/MessageQueue.h>
#include <hidl/MQDescriptor.h>
#include <hidl/Status.h>
#include <utils/Thread.h>
namespace android {
namespace hardware {
namespace audio {
namespace CPP_VERSION {
namespace implementation {
using ::android::sp;
using ::android::hardware::hidl_string;
using ::android::hardware::hidl_vec;
using ::android::hardware::Return;
using ::android::hardware::Void;
using namespace ::android::hardware::audio::common::CPP_VERSION;
using namespace ::android::hardware::audio::CPP_VERSION;
struct StreamIn : public IStreamIn {
typedef MessageQueue<ReadParameters, kSynchronizedReadWrite> CommandMQ;
typedef MessageQueue<uint8_t, kSynchronizedReadWrite> DataMQ;
typedef MessageQueue<ReadStatus, kSynchronizedReadWrite> StatusMQ;
StreamIn(const sp<Device>& device, audio_stream_in_t* stream);
// Methods from ::android::hardware::audio::CPP_VERSION::IStream follow.
Return<uint64_t> getFrameSize() override;
Return<uint64_t> getFrameCount() override;
Return<uint64_t> getBufferSize() override;
#if MAJOR_VERSION <= 6
Return<uint32_t> getSampleRate() override;
#if MAJOR_VERSION == 2
Return<void> getSupportedSampleRates(getSupportedSampleRates_cb _hidl_cb) override;
Return<void> getSupportedChannelMasks(getSupportedChannelMasks_cb _hidl_cb) override;
#endif
Return<void> getSupportedSampleRates(AudioFormat format, getSupportedSampleRates_cb _hidl_cb);
Return<void> getSupportedChannelMasks(AudioFormat format, getSupportedChannelMasks_cb _hidl_cb);
Return<Result> setSampleRate(uint32_t sampleRateHz) override;
Return<AudioChannelBitfield> getChannelMask() override;
Return<Result> setChannelMask(AudioChannelBitfield mask) override;
Return<AudioFormat> getFormat() override;
Return<void> getSupportedFormats(getSupportedFormats_cb _hidl_cb) override;
Return<Result> setFormat(AudioFormat format) override;
#else
Return<void> getSupportedProfiles(getSupportedProfiles_cb _hidl_cb) override;
Return<Result> setAudioProperties(const AudioConfigBaseOptional& config) override;
#endif // MAJOR_VERSION <= 6
Return<void> getAudioProperties(getAudioProperties_cb _hidl_cb) override;
Return<Result> addEffect(uint64_t effectId) override;
Return<Result> removeEffect(uint64_t effectId) override;
Return<Result> standby() override;
#if MAJOR_VERSION == 2
Return<AudioDevice> getDevice() override;
Return<Result> setDevice(const DeviceAddress& address) override;
Return<void> getParameters(const hidl_vec<hidl_string>& keys,
getParameters_cb _hidl_cb) override;
Return<Result> setParameters(const hidl_vec<ParameterValue>& parameters) override;
Return<Result> setConnectedState(const DeviceAddress& address, bool connected) override;
#elif MAJOR_VERSION >= 4
Return<void> getDevices(getDevices_cb _hidl_cb) override;
Return<Result> setDevices(const hidl_vec<DeviceAddress>& devices) override;
Return<void> getParameters(const hidl_vec<ParameterValue>& context,
const hidl_vec<hidl_string>& keys,
getParameters_cb _hidl_cb) override;
Return<Result> setParameters(const hidl_vec<ParameterValue>& context,
const hidl_vec<ParameterValue>& parameters) override;
#endif
Return<Result> setHwAvSync(uint32_t hwAvSync) override;
Return<Result> close() override;
Return<void> debug(const hidl_handle& fd, const hidl_vec<hidl_string>& options) override;
#if MAJOR_VERSION == 2
Return<void> debugDump(const hidl_handle& fd) override;
#endif
// Methods from ::android::hardware::audio::CPP_VERSION::IStreamIn follow.
Return<void> getAudioSource(getAudioSource_cb _hidl_cb) override;
Return<Result> setGain(float gain) override;
Return<void> prepareForReading(uint32_t frameSize, uint32_t framesCount,
prepareForReading_cb _hidl_cb) override;
Return<uint32_t> getInputFramesLost() override;
Return<void> getCapturePosition(getCapturePosition_cb _hidl_cb) override;
Return<Result> start() override;
Return<Result> stop() override;
Return<void> createMmapBuffer(int32_t minSizeFrames, createMmapBuffer_cb _hidl_cb) override;
Return<void> getMmapPosition(getMmapPosition_cb _hidl_cb) override;
#if MAJOR_VERSION >= 4
#if MAJOR_VERSION <= 6
Return<void> updateSinkMetadata(const SinkMetadata& sinkMetadata) override;
#else
Return<Result> updateSinkMetadata(const SinkMetadata& sinkMetadata) override;
#endif
Return<void> getActiveMicrophones(getActiveMicrophones_cb _hidl_cb) override;
#endif // MAJOR_VERSION >= 4
#if MAJOR_VERSION >= 5
Return<Result> setMicrophoneDirection(MicrophoneDirection direction) override;
Return<Result> setMicrophoneFieldDimension(float zoom) override;
#endif
static Result getCapturePositionImpl(audio_stream_in_t* stream, uint64_t* frames,
uint64_t* time);
private:
#if MAJOR_VERSION >= 4
Result doUpdateSinkMetadata(const SinkMetadata& sinkMetadata);
#if MAJOR_VERSION >= 7
Result doUpdateSinkMetadataV7(const SinkMetadata& sinkMetadata);
#endif
#endif // MAJOR_VERSION >= 4
const sp<Device> mDevice;
audio_stream_in_t* mStream;
const sp<Stream> mStreamCommon;
const sp<StreamMmap<audio_stream_in_t>> mStreamMmap;
std::unique_ptr<CommandMQ> mCommandMQ;
std::unique_ptr<DataMQ> mDataMQ;
std::unique_ptr<StatusMQ> mStatusMQ;
EventFlag* mEfGroup;
std::atomic<bool> mStopReadThread;
sp<Thread> mReadThread;
virtual ~StreamIn();
};
} // namespace implementation
} // namespace CPP_VERSION
} // namespace audio
} // namespace hardware
} // namespace android
#endif // ANDROID_HARDWARE_AUDIO_STREAMIN_H

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audio/include/core/default/StreamOut.h
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/*
* Copyright (C) 2018 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_STREAMOUT_H
#define ANDROID_HARDWARE_AUDIO_STREAMOUT_H
#include PATH(android/hardware/audio/FILE_VERSION/IStreamOut.h)
#include "Device.h"
#include "Stream.h"
#include <atomic>
#include <memory>
#include <fmq/EventFlag.h>
#include <fmq/MessageQueue.h>
#include <hidl/MQDescriptor.h>
#include <hidl/Status.h>
#include <mediautils/Synchronization.h>
#include <utils/Thread.h>
namespace android {
namespace hardware {
namespace audio {
namespace CPP_VERSION {
namespace implementation {
using ::android::sp;
using ::android::hardware::hidl_string;
using ::android::hardware::hidl_vec;
using ::android::hardware::Return;
using ::android::hardware::Void;
using namespace ::android::hardware::audio::common::CPP_VERSION;
using namespace ::android::hardware::audio::CPP_VERSION;
struct StreamOut : public IStreamOut {
typedef MessageQueue<WriteCommand, kSynchronizedReadWrite> CommandMQ;
typedef MessageQueue<uint8_t, kSynchronizedReadWrite> DataMQ;
typedef MessageQueue<WriteStatus, kSynchronizedReadWrite> StatusMQ;
StreamOut(const sp<Device>& device, audio_stream_out_t* stream);
// Methods from ::android::hardware::audio::CPP_VERSION::IStream follow.
Return<uint64_t> getFrameSize() override;
Return<uint64_t> getFrameCount() override;
Return<uint64_t> getBufferSize() override;
#if MAJOR_VERSION <= 6
Return<uint32_t> getSampleRate() override;
#if MAJOR_VERSION == 2
Return<void> getSupportedSampleRates(getSupportedSampleRates_cb _hidl_cb) override;
Return<void> getSupportedChannelMasks(getSupportedChannelMasks_cb _hidl_cb) override;
#endif
Return<void> getSupportedSampleRates(AudioFormat format, getSupportedSampleRates_cb _hidl_cb);
Return<void> getSupportedChannelMasks(AudioFormat format, getSupportedChannelMasks_cb _hidl_cb);
Return<Result> setSampleRate(uint32_t sampleRateHz) override;
Return<AudioChannelBitfield> getChannelMask() override;
Return<Result> setChannelMask(AudioChannelBitfield mask) override;
Return<AudioFormat> getFormat() override;
Return<void> getSupportedFormats(getSupportedFormats_cb _hidl_cb) override;
Return<Result> setFormat(AudioFormat format) override;
#else
Return<void> getSupportedProfiles(getSupportedProfiles_cb _hidl_cb) override;
Return<Result> setAudioProperties(const AudioConfigBaseOptional& config) override;
#endif // MAJOR_VERSION <= 6
Return<void> getAudioProperties(getAudioProperties_cb _hidl_cb) override;
Return<Result> addEffect(uint64_t effectId) override;
Return<Result> removeEffect(uint64_t effectId) override;
Return<Result> standby() override;
#if MAJOR_VERSION == 2
Return<AudioDevice> getDevice() override;
Return<Result> setDevice(const DeviceAddress& address) override;
Return<void> getParameters(const hidl_vec<hidl_string>& keys,
getParameters_cb _hidl_cb) override;
Return<Result> setParameters(const hidl_vec<ParameterValue>& parameters) override;
Return<Result> setConnectedState(const DeviceAddress& address, bool connected) override;
#elif MAJOR_VERSION >= 4
Return<void> getDevices(getDevices_cb _hidl_cb) override;
Return<Result> setDevices(const hidl_vec<DeviceAddress>& devices) override;
Return<void> getParameters(const hidl_vec<ParameterValue>& context,
const hidl_vec<hidl_string>& keys,
getParameters_cb _hidl_cb) override;
Return<Result> setParameters(const hidl_vec<ParameterValue>& context,
const hidl_vec<ParameterValue>& parameters) override;
#endif
Return<Result> setHwAvSync(uint32_t hwAvSync) override;
Return<Result> close() override;
Return<void> debug(const hidl_handle& fd, const hidl_vec<hidl_string>& options) override;
#if MAJOR_VERSION == 2
Return<void> debugDump(const hidl_handle& fd) override;
#endif
// Methods from ::android::hardware::audio::CPP_VERSION::IStreamOut follow.
Return<uint32_t> getLatency() override;
Return<Result> setVolume(float left, float right) override;
Return<void> prepareForWriting(uint32_t frameSize, uint32_t framesCount,
prepareForWriting_cb _hidl_cb) override;
Return<void> getRenderPosition(getRenderPosition_cb _hidl_cb) override;
Return<void> getNextWriteTimestamp(getNextWriteTimestamp_cb _hidl_cb) override;
Return<Result> setCallback(const sp<IStreamOutCallback>& callback) override;
Return<Result> clearCallback() override;
Return<void> supportsPauseAndResume(supportsPauseAndResume_cb _hidl_cb) override;
Return<Result> pause() override;
Return<Result> resume() override;
Return<bool> supportsDrain() override;
Return<Result> drain(AudioDrain type) override;
Return<Result> flush() override;
Return<void> getPresentationPosition(getPresentationPosition_cb _hidl_cb) override;
Return<Result> start() override;
Return<Result> stop() override;
Return<void> createMmapBuffer(int32_t minSizeFrames, createMmapBuffer_cb _hidl_cb) override;
Return<void> getMmapPosition(getMmapPosition_cb _hidl_cb) override;
#if MAJOR_VERSION >= 4
Return<Result> selectPresentation(int32_t presentationId, int32_t programId) override;
#if MAJOR_VERSION <= 6
Return<void> updateSourceMetadata(const SourceMetadata& sourceMetadata) override;
#else
Return<Result> updateSourceMetadata(const SourceMetadata& sourceMetadata) override;
#endif
#endif // MAJOR_VERSION >= 4
#if MAJOR_VERSION >= 6
Return<void> getDualMonoMode(getDualMonoMode_cb _hidl_cb) override;
Return<Result> setDualMonoMode(DualMonoMode mode) override;
Return<void> getAudioDescriptionMixLevel(getAudioDescriptionMixLevel_cb _hidl_cb) override;
Return<Result> setAudioDescriptionMixLevel(float leveldB) override;
Return<void> getPlaybackRateParameters(getPlaybackRateParameters_cb _hidl_cb) override;
Return<Result> setPlaybackRateParameters(const PlaybackRate& playbackRate) override;
#endif
static Result getPresentationPositionImpl(audio_stream_out_t* stream, uint64_t* frames,
TimeSpec* timeStamp);
#if MAJOR_VERSION >= 6
Return<Result> setEventCallback(const sp<IStreamOutEventCallback>& callback) override;
#endif
private:
#if MAJOR_VERSION >= 4
Result doUpdateSourceMetadata(const SourceMetadata& sourceMetadata);
#if MAJOR_VERSION >= 7
Result doUpdateSourceMetadataV7(const SourceMetadata& sourceMetadata);
#endif
#endif // MAJOR_VERSION >= 4
const sp<Device> mDevice;
audio_stream_out_t* mStream;
const sp<Stream> mStreamCommon;
const sp<StreamMmap<audio_stream_out_t>> mStreamMmap;
mediautils::atomic_sp<IStreamOutCallback> mCallback; // for non-blocking write and drain
#if MAJOR_VERSION >= 6
mediautils::atomic_sp<IStreamOutEventCallback> mEventCallback;
#endif
std::unique_ptr<CommandMQ> mCommandMQ;
std::unique_ptr<DataMQ> mDataMQ;
std::unique_ptr<StatusMQ> mStatusMQ;
EventFlag* mEfGroup;
std::atomic<bool> mStopWriteThread;
sp<Thread> mWriteThread;
virtual ~StreamOut();
static int asyncCallback(stream_callback_event_t event, void* param, void* cookie);
#if MAJOR_VERSION >= 6
static int asyncEventCallback(stream_event_callback_type_t event, void* param, void* cookie);
#endif
};
} // namespace implementation
} // namespace CPP_VERSION
} // namespace audio
} // namespace hardware
} // namespace android
#endif // ANDROID_HARDWARE_AUDIO_STREAMOUT_H

80
audio/include/core/default/Util.h
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@ -0,0 +1,80 @@
/*
* Copyright (C) 2018 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_UTIL_H
#define ANDROID_HARDWARE_AUDIO_UTIL_H
#include PATH(android/hardware/audio/FILE_VERSION/types.h)
#include <algorithm>
#include <vector>
#include <system/audio.h>
namespace android {
namespace hardware {
namespace audio {
namespace CPP_VERSION {
namespace implementation {
using namespace ::android::hardware::audio::common::CPP_VERSION;
using namespace ::android::hardware::audio::CPP_VERSION;
/** @return true if gain is between 0 and 1 included. */
constexpr bool isGainNormalized(float gain) {
return gain >= 0.0 && gain <= 1.0;
}
namespace util {
template <typename T>
inline bool element_in(T e, const std::vector<T>& v) {
return std::find(v.begin(), v.end(), e) != v.end();
}
static inline Result analyzeStatus(status_t status) {
switch (status) {
case 0:
return Result::OK;
case -EINVAL:
return Result::INVALID_ARGUMENTS;
case -ENODATA:
return Result::INVALID_STATE;
case -ENODEV:
return Result::NOT_INITIALIZED;
case -ENOSYS:
return Result::NOT_SUPPORTED;
default:
return Result::INVALID_STATE;
}
}
static inline Result analyzeStatus(const char* className, const char* funcName, status_t status,
const std::vector<int>& ignoreErrors = {}) {
if (status != 0 && !element_in(-status, ignoreErrors)) {
ALOGW("Error from HAL %s in function %s: %s", className, funcName, strerror(-status));
}
return analyzeStatus(status);
}
} // namespace util
} // namespace implementation
} // namespace CPP_VERSION
} // namespace audio
} // namespace hardware
} // namespace android
#endif // ANDROID_HARDWARE_AUDIO_UTIL_H

2
common.mk
Unescape View File

@ -67,7 +67,7 @@ PRODUCT_PACKAGES += \
# Audio # Audio
PRODUCT_PACKAGES += \ PRODUCT_PACKAGES += \
android.hardware.audio.service \ android.hardware.audio.service \
android.hardware.audio@6.0-impl \ android.hardware.audio@6.0-impl.sm7125 \
android.hardware.audio.effect@6.0-impl \ android.hardware.audio.effect@6.0-impl \
android.hardware.soundtrigger@2.2-impl \ android.hardware.soundtrigger@2.2-impl \
audio.a2dp.default \ audio.a2dp.default \

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