Merge "Support multiple output devices in refrence audio HAL" into main (09b66d05) · Commits · e / os / android_hardware_interfaces

audio/aidl/default/alsa/StreamAlsa.cpp

+7 −0

Original line number	Diff line number	Diff line
		@@ -75,6 +75,10 @@ StreamAlsa::~StreamAlsa() {
		}
		decltype(mAlsaDeviceProxies) alsaDeviceProxies;
		for (const auto& device : getDeviceProfiles()) {
		if ((device.direction == PCM_OUT && mIsInput) \|\|
		(device.direction == PCM_IN && !mIsInput)) {
		continue;
		}
		alsa::DeviceProxy proxy;
		if (device.isExternal) {
		// Always ask alsa configure as required since the configuration should be supported
		@@ -92,6 +96,9 @@ StreamAlsa::~StreamAlsa() {
		}
		alsaDeviceProxies.push_back(std::move(proxy));
		}
		if (alsaDeviceProxies.empty()) {
		return ::android::NO_INIT;
		}
		mAlsaDeviceProxies = std::move(alsaDeviceProxies);
		return ::android::OK;
		}

audio/aidl/default/include/core-impl/StreamPrimary.h

+7 −1

Original line number	Diff line number	Diff line
		@@ -25,7 +25,8 @@ namespace aidl::android::hardware::audio::core {

		class StreamPrimary : public StreamAlsa {
		public:
		StreamPrimary(StreamContext* context, const Metadata& metadata);
		StreamPrimary(StreamContext* context, const Metadata& metadata,
		const std::vector<::aidl::android::media::audio::common::AudioDevice>& devices);

		::android::status_t start() override;
		::android::status_t transfer(void* buffer, size_t frameCount, size_t* actualFrameCount,
		@@ -39,6 +40,11 @@ class StreamPrimary : public StreamAlsa {
		int64_t mStartTimeNs = 0;
		long mFramesSinceStart = 0;
		bool mSkipNextTransfer = false;

		private:
		static std::pair<int, int> getCardAndDeviceId(
		const std::vector<::aidl::android::media::audio::common::AudioDevice>& devices);
		const std::pair<int, int> mCardAndDeviceId;
		};

		class StreamInPrimary final : public StreamIn, public StreamSwitcher, public StreamInHwGainHelper {

audio/aidl/default/primary/StreamPrimary.cpp

+35 −14

Original line number	Diff line number	Diff line
		@@ -15,7 +15,11 @@
		*/

		#define LOG_TAG "AHAL_StreamPrimary"

		#include <cstdio>

		#include <android-base/logging.h>
		#include <android-base/parseint.h>
		#include <android-base/properties.h>
		#include <audio_utils/clock.h>
		#include <error/Result.h>
		@@ -28,6 +32,7 @@
		using aidl::android::hardware::audio::common::SinkMetadata;
		using aidl::android::hardware::audio::common::SourceMetadata;
		using aidl::android::media::audio::common::AudioDevice;
		using aidl::android::media::audio::common::AudioDeviceAddress;
		using aidl::android::media::audio::common::AudioDeviceDescription;
		using aidl::android::media::audio::common::AudioDeviceType;
		using aidl::android::media::audio::common::AudioOffloadInfo;
		@@ -36,9 +41,15 @@ using android::base::GetBoolProperty;

		namespace aidl::android::hardware::audio::core {

		StreamPrimary::StreamPrimary(StreamContext* context, const Metadata& metadata)
		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)
		: StreamAlsa(context, metadata, 3 /readWriteRetries/),
		mIsAsynchronous(!!getContext().getAsyncCallback()) {
		mIsAsynchronous(!!getContext().getAsyncCallback()),
		mCardAndDeviceId(getCardAndDeviceId(devices)) {
		context->startStreamDataProcessor();
		}

		@@ -92,17 +103,27 @@ StreamPrimary::StreamPrimary(StreamContext* context, const Metadata& metadata)
		}

		std::vector<alsa::DeviceProfile> StreamPrimary::getDeviceProfiles() {
		static const std::vector<alsa::DeviceProfile> kBuiltInSource{
		alsa::DeviceProfile{.card = primary::PrimaryMixer::kAlsaCard,
		.device = primary::PrimaryMixer::kAlsaDevice,
		.direction = PCM_IN,
		return {alsa::DeviceProfile{.card = mCardAndDeviceId.first,
		.device = mCardAndDeviceId.second,
		.direction = mIsInput ? PCM_IN : PCM_OUT,
		.isExternal = false}};
		static const std::vector<alsa::DeviceProfile> kBuiltInSink{
		alsa::DeviceProfile{.card = primary::PrimaryMixer::kAlsaCard,
		.device = primary::PrimaryMixer::kAlsaDevice,
		.direction = PCM_OUT,
		.isExternal = false}};
		return mIsInput ? kBuiltInSource : kBuiltInSink;
		}

		std::pair<int, int> 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;
		if (const size_t suffixPos = deviceAddress.rfind("CARD_");
		suffixPos == std::string::npos \|\|
		sscanf(deviceAddress.c_str() + suffixPos, "CARD_%d_DEV_%d", &cardAndDeviceId.first,
		&cardAndDeviceId.second) != 2) {
		return kDefaultCardAndDeviceId;
		}
		LOG(DEBUG) << __func__ << ": parsed with card id " << cardAndDeviceId.first << ", device id "
		<< cardAndDeviceId.second;
		return cardAndDeviceId;
		}

		StreamInPrimary::StreamInPrimary(StreamContext&& context, const SinkMetadata& sinkMetadata,
		@@ -145,7 +166,7 @@ std::unique_ptr<StreamCommonInterfaceEx> StreamInPrimary::createNewStream(
		new InnerStreamWrapper<StreamStub>(context, metadata));
		}
		return std::unique_ptr<StreamCommonInterfaceEx>(
		new InnerStreamWrapper<StreamPrimary>(context, metadata));
		new InnerStreamWrapper<StreamPrimary>(context, metadata, devices));
		}

		ndk::ScopedAStatus StreamInPrimary::getHwGain(std::vector<float>* _aidl_return) {
		@@ -217,7 +238,7 @@ std::unique_ptr<StreamCommonInterfaceEx> StreamOutPrimary::createNewStream(
		new InnerStreamWrapper<StreamStub>(context, metadata));
		}
		return std::unique_ptr<StreamCommonInterfaceEx>(
		new InnerStreamWrapper<StreamPrimary>(context, metadata));
		new InnerStreamWrapper<StreamPrimary>(context, metadata, devices));
		}

		ndk::ScopedAStatus StreamOutPrimary::getHwVolume(std::vector<float>* _aidl_return) {