Merge "audio: Do not use StreamSwitcher for StreamPrimary" into main am: 50956bd1cf am: 14a843b9af
Original change: https://android-review.googlesource.com/c/platform/hardware/interfaces/+/3291961
Change-Id: I9dbafaab3ca9b823358dd179212778cef5b0b5f1
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>
diff --git a/audio/aidl/default/Android.bp b/audio/aidl/default/Android.bp
index f51f65e..d47b0b1 100644
--- a/audio/aidl/default/Android.bp
+++ b/audio/aidl/default/Android.bp
@@ -77,6 +77,7 @@
"r_submix/ModuleRemoteSubmix.cpp",
"r_submix/SubmixRoute.cpp",
"r_submix/StreamRemoteSubmix.cpp",
+ "stub/DriverStubImpl.cpp",
"stub/ModuleStub.cpp",
"stub/StreamStub.cpp",
"usb/ModuleUsb.cpp",
diff --git a/audio/aidl/default/include/core-impl/DriverStubImpl.h b/audio/aidl/default/include/core-impl/DriverStubImpl.h
new file mode 100644
index 0000000..40a9fea
--- /dev/null
+++ b/audio/aidl/default/include/core-impl/DriverStubImpl.h
@@ -0,0 +1,49 @@
+/*
+ * Copyright (C) 2024 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.
+ */
+
+#pragma once
+
+#include "core-impl/Stream.h"
+
+namespace aidl::android::hardware::audio::core {
+
+class DriverStubImpl : virtual public DriverInterface {
+ public:
+ explicit DriverStubImpl(const StreamContext& context);
+
+ ::android::status_t init() override;
+ ::android::status_t drain(StreamDescriptor::DrainMode) override;
+ ::android::status_t flush() override;
+ ::android::status_t pause() override;
+ ::android::status_t standby() override;
+ ::android::status_t start() override;
+ ::android::status_t transfer(void* buffer, size_t frameCount, size_t* actualFrameCount,
+ int32_t* latencyMs) override;
+ void shutdown() override;
+
+ private:
+ const size_t mBufferSizeFrames;
+ const size_t mFrameSizeBytes;
+ const int mSampleRate;
+ const bool mIsAsynchronous;
+ const bool mIsInput;
+ bool mIsInitialized = false; // Used for validating the state machine logic.
+ bool mIsStandby = true; // Used for validating the state machine logic.
+ int64_t mStartTimeNs = 0;
+ long mFramesSinceStart = 0;
+};
+
+} // namespace aidl::android::hardware::audio::core
diff --git a/audio/aidl/default/include/core-impl/Stream.h b/audio/aidl/default/include/core-impl/Stream.h
index 5dca739..f7b9269 100644
--- a/audio/aidl/default/include/core-impl/Stream.h
+++ b/audio/aidl/default/include/core-impl/Stream.h
@@ -133,6 +133,9 @@
ReplyMQ* getReplyMQ() const { return mReplyMQ.get(); }
int getTransientStateDelayMs() const { return mDebugParameters.transientStateDelayMs; }
int getSampleRate() const { return mSampleRate; }
+ bool isInput() const {
+ return mFlags.getTag() == ::aidl::android::media::audio::common::AudioIoFlags::input;
+ }
bool isValid() const;
// 'reset' is called on a Binder thread when closing the stream. Does not use
// locking because it only cleans MQ pointers which were also set on the Binder thread.
diff --git a/audio/aidl/default/include/core-impl/StreamPrimary.h b/audio/aidl/default/include/core-impl/StreamPrimary.h
index 600c377..4f19a46 100644
--- a/audio/aidl/default/include/core-impl/StreamPrimary.h
+++ b/audio/aidl/default/include/core-impl/StreamPrimary.h
@@ -16,25 +16,39 @@
#pragma once
+#include <mutex>
#include <vector>
+#include <android-base/thread_annotations.h>
+
+#include "DriverStubImpl.h"
#include "StreamAlsa.h"
-#include "StreamSwitcher.h"
+#include "primary/PrimaryMixer.h"
namespace aidl::android::hardware::audio::core {
class StreamPrimary : public StreamAlsa {
public:
- StreamPrimary(StreamContext* context, const Metadata& metadata,
- const std::vector<::aidl::android::media::audio::common::AudioDevice>& devices);
+ StreamPrimary(StreamContext* context, const Metadata& metadata);
+ // Methods of 'DriverInterface'.
+ ::android::status_t init() override;
+ ::android::status_t drain(StreamDescriptor::DrainMode mode) override;
+ ::android::status_t flush() override;
+ ::android::status_t pause() override;
+ ::android::status_t standby() override;
::android::status_t start() override;
::android::status_t transfer(void* buffer, size_t frameCount, size_t* actualFrameCount,
int32_t* latencyMs) override;
::android::status_t refinePosition(StreamDescriptor::Position* position) override;
+ void shutdown() override;
+
+ // Overridden methods of 'StreamCommonImpl', called on a Binder thread.
+ ndk::ScopedAStatus setConnectedDevices(const ConnectedDevices& devices) override;
protected:
std::vector<alsa::DeviceProfile> getDeviceProfiles() override;
+ bool isStubStream();
const bool mIsAsynchronous;
int64_t mStartTimeNs = 0;
@@ -42,12 +56,29 @@
bool mSkipNextTransfer = false;
private:
- static std::pair<int, int> getCardAndDeviceId(
+ using AlsaDeviceId = std::pair<int, int>;
+
+ static constexpr StreamPrimary::AlsaDeviceId kDefaultCardAndDeviceId{
+ primary::PrimaryMixer::kAlsaCard, primary::PrimaryMixer::kAlsaDevice};
+ static constexpr StreamPrimary::AlsaDeviceId kStubDeviceId{
+ primary::PrimaryMixer::kInvalidAlsaCard, primary::PrimaryMixer::kInvalidAlsaDevice};
+
+ static AlsaDeviceId getCardAndDeviceId(
const std::vector<::aidl::android::media::audio::common::AudioDevice>& devices);
- const std::pair<int, int> mCardAndDeviceId;
+ static bool useStubStream(bool isInput,
+ const ::aidl::android::media::audio::common::AudioDevice& device);
+
+ bool isStubStreamOnWorker() const { return mCurrAlsaDeviceId == kStubDeviceId; }
+
+ DriverStubImpl mStubDriver;
+ mutable std::mutex mLock;
+ AlsaDeviceId mAlsaDeviceId GUARDED_BY(mLock) = kStubDeviceId;
+
+ // Used by the worker thread only.
+ AlsaDeviceId mCurrAlsaDeviceId = kStubDeviceId;
};
-class StreamInPrimary final : public StreamIn, public StreamSwitcher, public StreamInHwGainHelper {
+class StreamInPrimary final : public StreamIn, public StreamPrimary, public StreamInHwGainHelper {
public:
friend class ndk::SharedRefBase;
StreamInPrimary(
@@ -56,14 +87,6 @@
const std::vector<::aidl::android::media::audio::common::MicrophoneInfo>& microphones);
private:
- static bool useStubStream(const ::aidl::android::media::audio::common::AudioDevice& device);
-
- DeviceSwitchBehavior switchCurrentStream(
- const std::vector<::aidl::android::media::audio::common::AudioDevice>& devices)
- override;
- std::unique_ptr<StreamCommonInterfaceEx> createNewStream(
- const std::vector<::aidl::android::media::audio::common::AudioDevice>& devices,
- StreamContext* context, const Metadata& metadata) override;
void onClose(StreamDescriptor::State) override { defaultOnClose(); }
ndk::ScopedAStatus getHwGain(std::vector<float>* _aidl_return) override;
@@ -71,7 +94,7 @@
};
class StreamOutPrimary final : public StreamOut,
- public StreamSwitcher,
+ public StreamPrimary,
public StreamOutHwVolumeHelper {
public:
friend class ndk::SharedRefBase;
@@ -81,22 +104,10 @@
offloadInfo);
private:
- static bool useStubStream(const ::aidl::android::media::audio::common::AudioDevice& device);
-
- DeviceSwitchBehavior switchCurrentStream(
- const std::vector<::aidl::android::media::audio::common::AudioDevice>& devices)
- override;
- std::unique_ptr<StreamCommonInterfaceEx> createNewStream(
- const std::vector<::aidl::android::media::audio::common::AudioDevice>& devices,
- StreamContext* context, const Metadata& metadata) override;
void onClose(StreamDescriptor::State) override { defaultOnClose(); }
ndk::ScopedAStatus getHwVolume(std::vector<float>* _aidl_return) override;
ndk::ScopedAStatus setHwVolume(const std::vector<float>& in_channelVolumes) override;
-
- ndk::ScopedAStatus setConnectedDevices(
- const std::vector<::aidl::android::media::audio::common::AudioDevice>& devices)
- override;
};
} // namespace aidl::android::hardware::audio::core
diff --git a/audio/aidl/default/include/core-impl/StreamStub.h b/audio/aidl/default/include/core-impl/StreamStub.h
index 22b2020..cee44db 100644
--- a/audio/aidl/default/include/core-impl/StreamStub.h
+++ b/audio/aidl/default/include/core-impl/StreamStub.h
@@ -16,38 +16,15 @@
#pragma once
+#include "core-impl/DriverStubImpl.h"
#include "core-impl/Stream.h"
namespace aidl::android::hardware::audio::core {
-class StreamStub : public StreamCommonImpl {
+class StreamStub : public StreamCommonImpl, public DriverStubImpl {
public:
StreamStub(StreamContext* context, const Metadata& metadata);
~StreamStub();
-
- // Methods of 'DriverInterface'.
- ::android::status_t init() override;
- ::android::status_t drain(StreamDescriptor::DrainMode) override;
- ::android::status_t flush() override;
- ::android::status_t pause() override;
- ::android::status_t standby() override;
- ::android::status_t start() override;
- ::android::status_t transfer(void* buffer, size_t frameCount, size_t* actualFrameCount,
- int32_t* latencyMs) override;
- void shutdown() override;
-
- private:
- const size_t mBufferSizeFrames;
- const size_t mFrameSizeBytes;
- const int mSampleRate;
- const bool mIsAsynchronous;
- const bool mIsInput;
- bool mIsInitialized = false; // Used for validating the state machine logic.
- bool mIsStandby = true; // Used for validating the state machine logic.
-
- // Used by the worker thread.
- int64_t mStartTimeNs = 0;
- long mFramesSinceStart = 0;
};
class StreamInStub final : public StreamIn, public StreamStub {
diff --git a/audio/aidl/default/primary/PrimaryMixer.h b/audio/aidl/default/primary/PrimaryMixer.h
index 3806428..760d42f 100644
--- a/audio/aidl/default/primary/PrimaryMixer.h
+++ b/audio/aidl/default/primary/PrimaryMixer.h
@@ -16,20 +16,14 @@
#pragma once
-#include <map>
-#include <memory>
-#include <mutex>
-#include <vector>
-
-#include <android-base/thread_annotations.h>
-#include <android/binder_auto_utils.h>
-
#include "alsa/Mixer.h"
namespace aidl::android::hardware::audio::core::primary {
class PrimaryMixer : public alsa::Mixer {
public:
+ static constexpr int kInvalidAlsaCard = -1;
+ static constexpr int kInvalidAlsaDevice = -1;
static constexpr int kAlsaCard = 0;
static constexpr int kAlsaDevice = 0;
diff --git a/audio/aidl/default/primary/StreamPrimary.cpp b/audio/aidl/default/primary/StreamPrimary.cpp
index 801bbb8..1176d05 100644
--- a/audio/aidl/default/primary/StreamPrimary.cpp
+++ b/audio/aidl/default/primary/StreamPrimary.cpp
@@ -25,9 +25,7 @@
#include <error/Result.h>
#include <error/expected_utils.h>
-#include "PrimaryMixer.h"
#include "core-impl/StreamPrimary.h"
-#include "core-impl/StreamStub.h"
using aidl::android::hardware::audio::common::SinkMetadata;
using aidl::android::hardware::audio::common::SourceMetadata;
@@ -41,19 +39,49 @@
namespace aidl::android::hardware::audio::core {
-const static constexpr std::pair<int, int> kDefaultCardAndDeviceId = {
- primary::PrimaryMixer::kAlsaCard, primary::PrimaryMixer::kAlsaDevice};
-
-StreamPrimary::StreamPrimary(
- StreamContext* context, const Metadata& metadata,
- const std::vector<::aidl::android::media::audio::common::AudioDevice>& devices)
+StreamPrimary::StreamPrimary(StreamContext* context, const Metadata& metadata)
: StreamAlsa(context, metadata, 3 /*readWriteRetries*/),
mIsAsynchronous(!!getContext().getAsyncCallback()),
- mCardAndDeviceId(getCardAndDeviceId(devices)) {
+ mStubDriver(getContext()) {
context->startStreamDataProcessor();
}
+::android::status_t StreamPrimary::init() {
+ RETURN_STATUS_IF_ERROR(mStubDriver.init());
+ return StreamAlsa::init();
+}
+
+::android::status_t StreamPrimary::drain(StreamDescriptor::DrainMode mode) {
+ return isStubStreamOnWorker() ? mStubDriver.drain(mode) : StreamAlsa::drain(mode);
+}
+
+::android::status_t StreamPrimary::flush() {
+ return isStubStreamOnWorker() ? mStubDriver.flush() : StreamAlsa::flush();
+}
+
+::android::status_t StreamPrimary::pause() {
+ return isStubStreamOnWorker() ? mStubDriver.pause() : StreamAlsa::pause();
+}
+
+::android::status_t StreamPrimary::standby() {
+ return isStubStreamOnWorker() ? mStubDriver.standby() : StreamAlsa::standby();
+}
+
::android::status_t StreamPrimary::start() {
+ bool isStub = true, shutdownAlsaStream = false;
+ {
+ std::lock_guard l(mLock);
+ isStub = mAlsaDeviceId == kStubDeviceId;
+ shutdownAlsaStream =
+ mCurrAlsaDeviceId != mAlsaDeviceId && mCurrAlsaDeviceId != kStubDeviceId;
+ mCurrAlsaDeviceId = mAlsaDeviceId;
+ }
+ if (shutdownAlsaStream) {
+ StreamAlsa::shutdown(); // Close currently opened ALSA devices.
+ }
+ if (isStub) {
+ return mStubDriver.start();
+ }
RETURN_STATUS_IF_ERROR(StreamAlsa::start());
mStartTimeNs = ::android::uptimeNanos();
mFramesSinceStart = 0;
@@ -63,6 +91,9 @@
::android::status_t StreamPrimary::transfer(void* buffer, size_t frameCount,
size_t* actualFrameCount, int32_t* latencyMs) {
+ if (isStubStreamOnWorker()) {
+ return mStubDriver.transfer(buffer, frameCount, actualFrameCount, latencyMs);
+ }
// This is a workaround for the emulator implementation which has a host-side buffer
// and is not being able to achieve real-time behavior similar to ADSPs (b/302587331).
if (!mSkipNextTransfer) {
@@ -102,19 +133,52 @@
return ::android::OK;
}
+void StreamPrimary::shutdown() {
+ StreamAlsa::shutdown();
+ mStubDriver.shutdown();
+}
+
+ndk::ScopedAStatus StreamPrimary::setConnectedDevices(const ConnectedDevices& devices) {
+ LOG(DEBUG) << __func__ << ": " << ::android::internal::ToString(devices);
+ if (devices.size() > 1) {
+ LOG(ERROR) << __func__ << ": primary stream can only be connected to one device, got: "
+ << devices.size();
+ return ndk::ScopedAStatus::fromExceptionCode(EX_UNSUPPORTED_OPERATION);
+ }
+ {
+ const bool useStubDriver = devices.empty() || useStubStream(mIsInput, devices[0]);
+ std::lock_guard l(mLock);
+ mAlsaDeviceId = useStubDriver ? kStubDeviceId : getCardAndDeviceId(devices);
+ }
+ if (!devices.empty()) {
+ auto streamDataProcessor = getContext().getStreamDataProcessor().lock();
+ if (streamDataProcessor != nullptr) {
+ streamDataProcessor->setAudioDevice(devices[0]);
+ }
+ }
+ return StreamAlsa::setConnectedDevices(devices);
+}
+
std::vector<alsa::DeviceProfile> StreamPrimary::getDeviceProfiles() {
- return {alsa::DeviceProfile{.card = mCardAndDeviceId.first,
- .device = mCardAndDeviceId.second,
+ return {alsa::DeviceProfile{.card = mCurrAlsaDeviceId.first,
+ .device = mCurrAlsaDeviceId.second,
.direction = mIsInput ? PCM_IN : PCM_OUT,
.isExternal = false}};
}
-std::pair<int, int> StreamPrimary::getCardAndDeviceId(const std::vector<AudioDevice>& devices) {
+bool StreamPrimary::isStubStream() {
+ std::lock_guard l(mLock);
+ return mAlsaDeviceId == kStubDeviceId;
+}
+
+// static
+StreamPrimary::AlsaDeviceId StreamPrimary::getCardAndDeviceId(
+ const std::vector<AudioDevice>& devices) {
if (devices.empty() || devices[0].address.getTag() != AudioDeviceAddress::id) {
return kDefaultCardAndDeviceId;
}
std::string deviceAddress = devices[0].address.get<AudioDeviceAddress::id>();
- std::pair<int, int> cardAndDeviceId;
+ AlsaDeviceId cardAndDeviceId;
if (const size_t suffixPos = deviceAddress.rfind("CARD_");
suffixPos == std::string::npos ||
sscanf(deviceAddress.c_str() + suffixPos, "CARD_%d_DEV_%d", &cardAndDeviceId.first,
@@ -126,48 +190,28 @@
return cardAndDeviceId;
}
+// static
+bool StreamPrimary::useStubStream(
+ bool isInput, const ::aidl::android::media::audio::common::AudioDevice& device) {
+ static const bool kSimulateInput =
+ GetBoolProperty("ro.boot.audio.tinyalsa.simulate_input", false);
+ static const bool kSimulateOutput =
+ GetBoolProperty("ro.boot.audio.tinyalsa.ignore_output", false);
+ if (isInput) {
+ return kSimulateInput || device.type.type == AudioDeviceType::IN_TELEPHONY_RX ||
+ device.type.type == AudioDeviceType::IN_FM_TUNER ||
+ device.type.connection == AudioDeviceDescription::CONNECTION_BUS /*deprecated */;
+ }
+ return kSimulateOutput || device.type.type == AudioDeviceType::OUT_TELEPHONY_TX ||
+ device.type.connection == AudioDeviceDescription::CONNECTION_BUS /*deprecated*/;
+}
+
StreamInPrimary::StreamInPrimary(StreamContext&& context, const SinkMetadata& sinkMetadata,
const std::vector<MicrophoneInfo>& microphones)
: StreamIn(std::move(context), microphones),
- StreamSwitcher(&mContextInstance, sinkMetadata),
+ StreamPrimary(&mContextInstance, sinkMetadata),
StreamInHwGainHelper(&mContextInstance) {}
-bool StreamInPrimary::useStubStream(const AudioDevice& device) {
- static const bool kSimulateInput =
- GetBoolProperty("ro.boot.audio.tinyalsa.simulate_input", false);
- return kSimulateInput || device.type.type == AudioDeviceType::IN_TELEPHONY_RX ||
- device.type.type == AudioDeviceType::IN_FM_TUNER ||
- device.type.connection == AudioDeviceDescription::CONNECTION_BUS /*deprecated */;
-}
-
-StreamSwitcher::DeviceSwitchBehavior StreamInPrimary::switchCurrentStream(
- const std::vector<::aidl::android::media::audio::common::AudioDevice>& devices) {
- LOG(DEBUG) << __func__;
- if (devices.size() > 1) {
- LOG(ERROR) << __func__ << ": primary stream can only be connected to one device, got: "
- << devices.size();
- return DeviceSwitchBehavior::UNSUPPORTED_DEVICES;
- }
- if (devices.empty() || useStubStream(devices[0]) == isStubStream()) {
- return DeviceSwitchBehavior::USE_CURRENT_STREAM;
- }
- return DeviceSwitchBehavior::CREATE_NEW_STREAM;
-}
-
-std::unique_ptr<StreamCommonInterfaceEx> StreamInPrimary::createNewStream(
- const std::vector<::aidl::android::media::audio::common::AudioDevice>& devices,
- StreamContext* context, const Metadata& metadata) {
- if (devices.empty()) {
- LOG(FATAL) << __func__ << ": called with empty devices"; // see 'switchCurrentStream'
- }
- if (useStubStream(devices[0])) {
- return std::unique_ptr<StreamCommonInterfaceEx>(
- new InnerStreamWrapper<StreamStub>(context, metadata));
- }
- return std::unique_ptr<StreamCommonInterfaceEx>(
- new InnerStreamWrapper<StreamPrimary>(context, metadata, devices));
-}
-
ndk::ScopedAStatus StreamInPrimary::getHwGain(std::vector<float>* _aidl_return) {
if (isStubStream()) {
return ndk::ScopedAStatus::fromExceptionCode(EX_UNSUPPORTED_OPERATION);
@@ -201,44 +245,9 @@
StreamOutPrimary::StreamOutPrimary(StreamContext&& context, const SourceMetadata& sourceMetadata,
const std::optional<AudioOffloadInfo>& offloadInfo)
: StreamOut(std::move(context), offloadInfo),
- StreamSwitcher(&mContextInstance, sourceMetadata),
+ StreamPrimary(&mContextInstance, sourceMetadata),
StreamOutHwVolumeHelper(&mContextInstance) {}
-bool StreamOutPrimary::useStubStream(const AudioDevice& device) {
- static const bool kSimulateOutput =
- GetBoolProperty("ro.boot.audio.tinyalsa.ignore_output", false);
- return kSimulateOutput || device.type.type == AudioDeviceType::OUT_TELEPHONY_TX ||
- device.type.connection == AudioDeviceDescription::CONNECTION_BUS /*deprecated*/;
-}
-
-StreamSwitcher::DeviceSwitchBehavior StreamOutPrimary::switchCurrentStream(
- const std::vector<::aidl::android::media::audio::common::AudioDevice>& devices) {
- LOG(DEBUG) << __func__;
- if (devices.size() > 1) {
- LOG(ERROR) << __func__ << ": primary stream can only be connected to one device, got: "
- << devices.size();
- return DeviceSwitchBehavior::UNSUPPORTED_DEVICES;
- }
- if (devices.empty() || useStubStream(devices[0]) == isStubStream()) {
- return DeviceSwitchBehavior::USE_CURRENT_STREAM;
- }
- return DeviceSwitchBehavior::CREATE_NEW_STREAM;
-}
-
-std::unique_ptr<StreamCommonInterfaceEx> StreamOutPrimary::createNewStream(
- const std::vector<::aidl::android::media::audio::common::AudioDevice>& devices,
- StreamContext* context, const Metadata& metadata) {
- if (devices.empty()) {
- LOG(FATAL) << __func__ << ": called with empty devices"; // see 'switchCurrentStream'
- }
- if (useStubStream(devices[0])) {
- return std::unique_ptr<StreamCommonInterfaceEx>(
- new InnerStreamWrapper<StreamStub>(context, metadata));
- }
- return std::unique_ptr<StreamCommonInterfaceEx>(
- new InnerStreamWrapper<StreamPrimary>(context, metadata, devices));
-}
-
ndk::ScopedAStatus StreamOutPrimary::getHwVolume(std::vector<float>* _aidl_return) {
if (isStubStream()) {
return ndk::ScopedAStatus::fromExceptionCode(EX_UNSUPPORTED_OPERATION);
@@ -264,15 +273,4 @@
return ndk::ScopedAStatus::ok();
}
-ndk::ScopedAStatus StreamOutPrimary::setConnectedDevices(
- const std::vector<::aidl::android::media::audio::common::AudioDevice>& devices) {
- if (!devices.empty()) {
- auto streamDataProcessor = mContextInstance.getStreamDataProcessor().lock();
- if (streamDataProcessor != nullptr) {
- streamDataProcessor->setAudioDevice(devices[0]);
- }
- }
- return StreamSwitcher::setConnectedDevices(devices);
-}
-
} // namespace aidl::android::hardware::audio::core
diff --git a/audio/aidl/default/stub/DriverStubImpl.cpp b/audio/aidl/default/stub/DriverStubImpl.cpp
new file mode 100644
index 0000000..beb0114
--- /dev/null
+++ b/audio/aidl/default/stub/DriverStubImpl.cpp
@@ -0,0 +1,126 @@
+/*
+ * Copyright (C) 2024 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 <cmath>
+
+#define LOG_TAG "AHAL_Stream"
+#include <android-base/logging.h>
+#include <audio_utils/clock.h>
+
+#include "core-impl/DriverStubImpl.h"
+
+namespace aidl::android::hardware::audio::core {
+
+DriverStubImpl::DriverStubImpl(const StreamContext& context)
+ : mBufferSizeFrames(context.getBufferSizeInFrames()),
+ mFrameSizeBytes(context.getFrameSize()),
+ mSampleRate(context.getSampleRate()),
+ mIsAsynchronous(!!context.getAsyncCallback()),
+ mIsInput(context.isInput()) {}
+
+::android::status_t DriverStubImpl::init() {
+ mIsInitialized = true;
+ return ::android::OK;
+}
+
+::android::status_t DriverStubImpl::drain(StreamDescriptor::DrainMode) {
+ if (!mIsInitialized) {
+ LOG(FATAL) << __func__ << ": must not happen for an uninitialized driver";
+ }
+ if (!mIsInput) {
+ if (!mIsAsynchronous) {
+ static constexpr float kMicrosPerSecond = MICROS_PER_SECOND;
+ const size_t delayUs = static_cast<size_t>(
+ std::roundf(mBufferSizeFrames * kMicrosPerSecond / mSampleRate));
+ usleep(delayUs);
+ } else {
+ usleep(500);
+ }
+ }
+ return ::android::OK;
+}
+
+::android::status_t DriverStubImpl::flush() {
+ if (!mIsInitialized) {
+ LOG(FATAL) << __func__ << ": must not happen for an uninitialized driver";
+ }
+ return ::android::OK;
+}
+
+::android::status_t DriverStubImpl::pause() {
+ if (!mIsInitialized) {
+ LOG(FATAL) << __func__ << ": must not happen for an uninitialized driver";
+ }
+ return ::android::OK;
+}
+
+::android::status_t DriverStubImpl::standby() {
+ if (!mIsInitialized) {
+ LOG(FATAL) << __func__ << ": must not happen for an uninitialized driver";
+ }
+ mIsStandby = true;
+ return ::android::OK;
+}
+
+::android::status_t DriverStubImpl::start() {
+ if (!mIsInitialized) {
+ LOG(FATAL) << __func__ << ": must not happen for an uninitialized driver";
+ }
+ mIsStandby = false;
+ mStartTimeNs = ::android::uptimeNanos();
+ mFramesSinceStart = 0;
+ return ::android::OK;
+}
+
+::android::status_t DriverStubImpl::transfer(void* buffer, size_t frameCount,
+ size_t* actualFrameCount, int32_t*) {
+ if (!mIsInitialized) {
+ LOG(FATAL) << __func__ << ": must not happen for an uninitialized driver";
+ }
+ if (mIsStandby) {
+ LOG(FATAL) << __func__ << ": must not happen while in standby";
+ }
+ *actualFrameCount = frameCount;
+ if (mIsAsynchronous) {
+ usleep(500);
+ } else {
+ mFramesSinceStart += *actualFrameCount;
+ const long bufferDurationUs = (*actualFrameCount) * MICROS_PER_SECOND / mSampleRate;
+ const auto totalDurationUs =
+ (::android::uptimeNanos() - mStartTimeNs) / NANOS_PER_MICROSECOND;
+ const long totalOffsetUs =
+ mFramesSinceStart * MICROS_PER_SECOND / mSampleRate - totalDurationUs;
+ LOG(VERBOSE) << __func__ << ": totalOffsetUs " << totalOffsetUs;
+ if (totalOffsetUs > 0) {
+ const long sleepTimeUs = std::min(totalOffsetUs, bufferDurationUs);
+ LOG(VERBOSE) << __func__ << ": sleeping for " << sleepTimeUs << " us";
+ usleep(sleepTimeUs);
+ }
+ }
+ if (mIsInput) {
+ uint8_t* byteBuffer = static_cast<uint8_t*>(buffer);
+ for (size_t i = 0; i < frameCount * mFrameSizeBytes; ++i) {
+ byteBuffer[i] = std::rand() % 255;
+ }
+ }
+ return ::android::OK;
+}
+
+void DriverStubImpl::shutdown() {
+ mIsInitialized = false;
+}
+
+} // namespace aidl::android::hardware::audio::core
diff --git a/audio/aidl/default/stub/StreamStub.cpp b/audio/aidl/default/stub/StreamStub.cpp
index a3d99a8..f6c87e1 100644
--- a/audio/aidl/default/stub/StreamStub.cpp
+++ b/audio/aidl/default/stub/StreamStub.cpp
@@ -32,110 +32,12 @@
namespace aidl::android::hardware::audio::core {
StreamStub::StreamStub(StreamContext* context, const Metadata& metadata)
- : StreamCommonImpl(context, metadata),
- mBufferSizeFrames(getContext().getBufferSizeInFrames()),
- mFrameSizeBytes(getContext().getFrameSize()),
- mSampleRate(getContext().getSampleRate()),
- mIsAsynchronous(!!getContext().getAsyncCallback()),
- mIsInput(isInput(metadata)) {}
+ : StreamCommonImpl(context, metadata), DriverStubImpl(getContext()) {}
StreamStub::~StreamStub() {
cleanupWorker();
}
-::android::status_t StreamStub::init() {
- mIsInitialized = true;
- return ::android::OK;
-}
-
-::android::status_t StreamStub::drain(StreamDescriptor::DrainMode) {
- if (!mIsInitialized) {
- LOG(FATAL) << __func__ << ": must not happen for an uninitialized driver";
- }
- if (!mIsInput) {
- if (!mIsAsynchronous) {
- static constexpr float kMicrosPerSecond = MICROS_PER_SECOND;
- const size_t delayUs = static_cast<size_t>(
- std::roundf(mBufferSizeFrames * kMicrosPerSecond / mSampleRate));
- usleep(delayUs);
- } else {
- usleep(500);
- }
- }
- return ::android::OK;
-}
-
-::android::status_t StreamStub::flush() {
- if (!mIsInitialized) {
- LOG(FATAL) << __func__ << ": must not happen for an uninitialized driver";
- }
- return ::android::OK;
-}
-
-::android::status_t StreamStub::pause() {
- if (!mIsInitialized) {
- LOG(FATAL) << __func__ << ": must not happen for an uninitialized driver";
- }
- return ::android::OK;
-}
-
-::android::status_t StreamStub::standby() {
- if (!mIsInitialized) {
- LOG(FATAL) << __func__ << ": must not happen for an uninitialized driver";
- }
- mIsStandby = true;
- return ::android::OK;
-}
-
-::android::status_t StreamStub::start() {
- if (!mIsInitialized) {
- LOG(FATAL) << __func__ << ": must not happen for an uninitialized driver";
- }
- mIsStandby = false;
- mStartTimeNs = ::android::uptimeNanos();
- mFramesSinceStart = 0;
- return ::android::OK;
-}
-
-::android::status_t StreamStub::transfer(void* buffer, size_t frameCount, size_t* actualFrameCount,
- int32_t*) {
- if (!mIsInitialized) {
- LOG(FATAL) << __func__ << ": must not happen for an uninitialized driver";
- }
- if (mIsStandby) {
- LOG(FATAL) << __func__ << ": must not happen while in standby";
- }
- *actualFrameCount = frameCount;
- if (mIsAsynchronous) {
- usleep(500);
- } else {
- mFramesSinceStart += *actualFrameCount;
- const long bufferDurationUs =
- (*actualFrameCount) * MICROS_PER_SECOND / mContext.getSampleRate();
- const auto totalDurationUs =
- (::android::uptimeNanos() - mStartTimeNs) / NANOS_PER_MICROSECOND;
- const long totalOffsetUs =
- mFramesSinceStart * MICROS_PER_SECOND / mContext.getSampleRate() - totalDurationUs;
- LOG(VERBOSE) << __func__ << ": totalOffsetUs " << totalOffsetUs;
- if (totalOffsetUs > 0) {
- const long sleepTimeUs = std::min(totalOffsetUs, bufferDurationUs);
- LOG(VERBOSE) << __func__ << ": sleeping for " << sleepTimeUs << " us";
- usleep(sleepTimeUs);
- }
- }
- if (mIsInput) {
- uint8_t* byteBuffer = static_cast<uint8_t*>(buffer);
- for (size_t i = 0; i < frameCount * mFrameSizeBytes; ++i) {
- byteBuffer[i] = std::rand() % 255;
- }
- }
- return ::android::OK;
-}
-
-void StreamStub::shutdown() {
- mIsInitialized = false;
-}
-
StreamInStub::StreamInStub(StreamContext&& context, const SinkMetadata& sinkMetadata,
const std::vector<MicrophoneInfo>& microphones)
: StreamIn(std::move(context), microphones), StreamStub(&mContextInstance, sinkMetadata) {}