Make audio HAL consistent. (63bf6942) · Commits · e / os / android_hardware_interfaces

audio/5.0/Android.bp

+2 −1

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		@@ -20,6 +20,7 @@ hidl_interface {
		"android.hardware.audio.common@5.0",
		"android.hardware.audio.effect@5.0",
		"android.hidl.base@1.0",
		"android.hidl.safe_union@1.0",
		],
		types: [
		"AudioDrain",
		@@ -28,8 +29,8 @@ hidl_interface {
		"AudioMicrophoneCoordinate",
		"AudioMicrophoneDirectionality",
		"AudioMicrophoneLocation",
		"DeviceAddress",
		"MessageQueueFlagBits",
		"MicrophoneDirection",
		"MicrophoneInfo",
		"MmapBufferFlag",
		"MmapBufferInfo",

+1 −1

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		@@ -133,7 +133,7 @@ interface IDevice {
		* @param config stream configuration.
		* @param flags additional flags.
		* @param sinkMetadata Description of the audio that is suggested by the client.
		* May be used by implementations to configure hardware effects.
		* May be used by implementations to configure processing effects.
		* @return retval operation completion status.
		* @return inStream in case of success, created input stream.
		* @return suggestedConfig in case of invalid parameters, suggested config.

+23 −0

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		@@ -165,4 +165,27 @@ interface IStreamIn extends IStream {
		*/
		getActiveMicrophones()
		generates(Result retval, vec<MicrophoneInfo> microphones);

		/**
		* Specifies the logical microphone (for processing).
		*
		* Optional method
		*
		* @param Direction constant
		* @return retval OK if the call is successful, an error code otherwise.
		*/
		setMicrophoneDirection(MicrophoneDirection direction)
		generates(Result retval);

		/**
		* Specifies the zoom factor for the selected microphone (for processing).
		*
		* Optional method
		*
		* @param the desired field dimension of microphone capture. Range is from -1 (wide angle),
		* though 0 (no zoom) to 1 (maximum zoom).
		*
		* @return retval OK if the call is not successful, an error code otherwise.
		*/
		setMicrophoneFieldDimension(float zoom) generates(Result retval);
		};

+26 −23

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		@@ -49,34 +49,11 @@ struct TimeSpec {
		uint64_t tvNSec; // nanoseconds
		};

		/**
		* IEEE 802 MAC address.
		*/
		typedef uint8_t[6] MacAddress;

		struct ParameterValue {
		string key;
		string value;
		};

		/**
		* Specifies a device in case when several devices of the same type
		* can be connected (e.g. BT A2DP, USB).
		*/
		struct DeviceAddress {
		AudioDevice device; // discriminator
		union Address {
		MacAddress mac; // used for BLUETOOTH_A2DP_*
		uint8_t[4] ipv4; // used for IP
		struct Alsa {
		int32_t card;
		int32_t device;
		} alsa; // used for USB_*
		} address;
		string busAddress; // used for BUS
		string rSubmixAddress; // used for REMOTE_SUBMIX
		};

		enum MmapBufferFlag : uint32_t {
		NONE = 0x0,
		/**
		@@ -244,3 +221,29 @@ struct MicrophoneInfo {
		*/
		AudioMicrophoneCoordinate orientation;
		};

		/**
		* Constants used by the HAL to determine how to select microphones and process those inputs in
		* order to optimize for capture in the specified direction.
		*
		* MicrophoneDirection Constants are defined in MicrophoneDirection.java.
		*/
		@export(name="audio_microphone_direction_t", value_prefix="MIC_DIRECTION_")
		enum MicrophoneDirection : int32_t {
		/**
		* Don't do any directionality processing of the activated microphone(s).
		*/
		UNSPECIFIED = 0,
		/**
		* Optimize capture for audio coming from the screen-side of the device.
		*/
		FRONT = 1,
		/**
		* Optimize capture for audio coming from the side of the device opposite the screen.
		*/
		BACK = 2,
		/**
		* Optimize capture for audio coming from an off-device microphone.
		*/
		EXTERNAL = 3,
		};

+1 −0

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		@@ -26,6 +26,7 @@ hidl_interface {
		interfaces: [
		"android.hardware.audio.common@5.0",
		"android.hidl.base@1.0",
		"android.hidl.safe_union@1.0",
		],
		types: [
		"AudioBuffer",