Loading media/libaaudio/include/aaudio/AAudio.h +229 −0 Original line number Diff line number Diff line Loading @@ -895,6 +895,180 @@ enum { }; typedef uint32_t aaudio_channel_mask_t; // The values are copied from JAVA SDK device types defined in android/media/AudioDeviceInfo.java // When a new value is added, it should be added here and handled by the conversion at // AAudioConvert_aaudioToAndroidDeviceType. typedef enum AAudio_DeviceType : int32_t { /** * A device type describing the attached earphone speaker. */ AAUDIO_DEVICE_BUILTIN_EARPIECE = 1, /** * A device type describing the speaker system (i.e. a mono speaker or stereo speakers) built * in a device. */ AAUDIO_DEVICE_BUILTIN_SPEAKER = 2, /** * A device type describing a headset, which is the combination of a headphones and microphone. */ AAUDIO_DEVICE_WIRED_HEADSET = 3, /** * A device type describing a pair of wired headphones. */ AAUDIO_DEVICE_WIRED_HEADPHONES = 4, /** * A device type describing an analog line-level connection. */ AAUDIO_DEVICE_LINE_ANALOG = 5, /** * A device type describing a digital line connection (e.g. SPDIF). */ AAUDIO_DEVICE_LINE_DIGITAL = 6, /** * A device type describing a Bluetooth device typically used for telephony. */ AAUDIO_DEVICE_BLUETOOTH_SCO = 7, /** * A device type describing a Bluetooth device supporting the A2DP profile. */ AAUDIO_DEVICE_BLUETOOTH_A2DP = 8, /** * A device type describing an HDMI connection . */ AAUDIO_DEVICE_HDMI = 9, /** * A device type describing the Audio Return Channel of an HDMI connection. */ AAUDIO_DEVICE_HDMI_ARC = 10, /** * A device type describing a USB audio device. */ AAUDIO_DEVICE_USB_DEVICE = 11, /** * A device type describing a USB audio device in accessory mode. */ AAUDIO_DEVICE_USB_ACCESSORY = 12, /** * A device type describing the audio device associated with a dock. * Starting at API 34, this device type only represents digital docks, while docks with an * analog connection are represented with {@link #AAUDIO_DEVICE_DOCK_ANALOG}. */ AAUDIO_DEVICE_DOCK = 13, /** * A device type associated with the transmission of audio signals over FM. */ AAUDIO_DEVICE_FM = 14, /** * A device type describing the microphone(s) built in a device. */ AAUDIO_DEVICE_BUILTIN_MIC = 15, /** * A device type for accessing the audio content transmitted over FM. */ AAUDIO_DEVICE_FM_TUNER = 16, /** * A device type for accessing the audio content transmitted over the TV tuner system. */ AAUDIO_DEVICE_TV_TUNER = 17, /** * A device type describing the transmission of audio signals over the telephony network. */ AAUDIO_DEVICE_TELEPHONY = 18, /** * A device type describing the auxiliary line-level connectors. */ AAUDIO_DEVICE_AUX_LINE = 19, /** * A device type connected over IP. */ AAUDIO_DEVICE_IP = 20, /** * A type-agnostic device used for communication with external audio systems. */ AAUDIO_DEVICE_BUS = 21, /** * A device type describing a USB audio headset. */ AAUDIO_DEVICE_USB_HEADSET = 22, /** * A device type describing a Hearing Aid. */ AAUDIO_DEVICE_HEARING_AID = 23, /** * A device type describing the speaker system (i.e. a mono speaker or stereo speakers) built * in a device, that is specifically tuned for outputting sounds like notifications and alarms * (i.e. sounds the user couldn't necessarily anticipate). * <p>Note that this physical audio device may be the same as {@link #TYPE_BUILTIN_SPEAKER} * but is driven differently to safely accommodate the different use case.</p> */ AAUDIO_DEVICE_BUILTIN_SPEAKER_SAFE = 24, /** * A device type for rerouting audio within the Android framework between mixes and * system applications. */ AAUDIO_DEVICE_REMOTE_SUBMIX = 25, /** * A device type describing a Bluetooth Low Energy (BLE) audio headset or headphones. * Headphones are grouped with headsets when the device is a sink: * the features of headsets and headphones with regard to playback are the same. */ AAUDIO_DEVICE_BLE_HEADSET = 26, /** * A device type describing a Bluetooth Low Energy (BLE) audio speaker. */ AAUDIO_DEVICE_BLE_SPEAKER = 27, /** * A device type describing an Echo Canceller loopback Reference. * This device is only used when capturing with MediaRecorder.AudioSource.ECHO_REFERENCE, * which requires privileged permission * {@link android.Manifest.permission#CAPTURE_AUDIO_OUTPUT}. * * Note that this is not exposed as it is a system API that requires privileged permission. */ // AAUDIO_DEVICE_ECHO_REFERENCE = 28, /** * A device type describing the Enhanced Audio Return Channel of an HDMI connection. */ AAUDIO_DEVICE_HDMI_EARC = 29, /** * A device type describing a Bluetooth Low Energy (BLE) broadcast group. */ AAUDIO_DEVICE_BLE_BROADCAST = 30, /** * A device type describing the audio device associated with a dock using an analog connection. */ AAUDIO_DEVICE_DOCK_ANALOG = 31 } AAudio_DeviceType; typedef struct AAudioStreamStruct AAudioStream; typedef struct AAudioStreamBuilderStruct AAudioStreamBuilder; Loading Loading @@ -2342,6 +2516,61 @@ AAUDIO_API int32_t AAudioStream_getOffloadPadding(AAudioStream* _Nonnull stream) AAUDIO_API aaudio_result_t AAudioStream_setOffloadEndOfStream(AAudioStream* _Nonnull stream) __INTRODUCED_IN(36); /************************************************************************************ * Helper functions for AAudio MMAP. * AAudio MMAP data path uses a memory region that is shared between the hardware and * the audio software. The shared memory is referenced using a file descriptor that is * generated by the ALSA driver. Apps can read/write directly from/to the shared * memory, which helps improve the audio latency. ************************************************************************************/ /** * When the audio is played/recorded via AAudio MMAP data path, the apps can write to/read from * a shared memory that will also be accessed directly by hardware. That reduces the audio latency. * The following values are used to describe how AAudio MMAP is supported. */ enum { /** * AAudio MMAP is disabled and never used. */ AAUDIO_POLICY_NEVER = 1, /** * AAudio MMAP support depends on device's availability. It will be used * when it is possible or fallback to the normal path, where the audio data * will be delivered via audio framework data pipeline. */ AAUDIO_POLICY_AUTO, /** * AAudio MMAP must be used or fail. */ AAUDIO_POLICY_ALWAYS }; typedef int32_t aaudio_policy_t; /** * Query how aaudio mmap is supported for the given device type. * * @param device device type * @param direction {@link AAUDIO_DIRECTION_OUTPUT} or {@link AAUDIO_DIRECTION_INPUT} * @return the mmap policy or {@link #AAUDIO_ERROR_ILLEGAL_ARGUMENT} if the device or direction * is invalid or {@link #AAUDIO_ERROR_INTERNAL} if the audio HAL returns error. */ AAUDIO_API aaudio_policy_t AAudio_getPlatformMMapPolicy( AAudio_DeviceType device, aaudio_direction_t direction) __INTRODUCED_IN(36); /** * Query how aaudio exclusive mmap is supported for the given device type. * * @param device device type * @param direction {@link AAUDIO_DIRECTION_OUTPUT} or {@link AAUDIO_DIRECTION_INPUT} * @return the mmap exclusive policy or or {@link #AAUDIO_ERROR_ILLEGAL_ARGUMENT} if the device * or direction is invalid or {@link #AAUDIO_ERROR_INTERNAL} if the audio HAL returns error. */ AAUDIO_API aaudio_policy_t AAudio_getPlatformMMapExclusivePolicy( AAudio_DeviceType device, aaudio_direction_t direction) __INTRODUCED_IN(36); #ifdef __cplusplus } #endif Loading media/libaaudio/include/aaudio/AAudioTesting.h +0 −219 Original line number Diff line number Diff line Loading @@ -31,225 +31,6 @@ extern "C" { * They may change or be removed at any time. ************************************************************************************/ /** * When the audio is played/recorded via AAudio MMAP data path, the apps can write to/read from * a shared memory that will also be accessed directly by hardware. That reduces the audio latency. * The following values are used to describe how AAudio MMAP is supported. */ enum { /** * AAudio MMAP is disabled and never used. */ AAUDIO_POLICY_NEVER = 1, /** * AAudio MMAP support depends on device's availability. It will be used * when it is possible or fallback to the normal path, where the audio data * will be delivered via audio framework data pipeline. */ AAUDIO_POLICY_AUTO, /** * AAudio MMAP must be used or fail. */ AAUDIO_POLICY_ALWAYS }; typedef int32_t aaudio_policy_t; // The values are copied from JAVA SDK device types defined in android/media/AudioDeviceInfo.java // When a new value is added, it should be added here and handled by the conversion at // AAudioConvert_aaudioToAndroidDeviceType. typedef enum AAudio_DeviceType : int32_t { /** * A device type describing the attached earphone speaker. */ AAUDIO_DEVICE_BUILTIN_EARPIECE = 1, /** * A device type describing the speaker system (i.e. a mono speaker or stereo speakers) built * in a device. */ AAUDIO_DEVICE_BUILTIN_SPEAKER = 2, /** * A device type describing a headset, which is the combination of a headphones and microphone. */ AAUDIO_DEVICE_WIRED_HEADSET = 3, /** * A device type describing a pair of wired headphones. */ AAUDIO_DEVICE_WIRED_HEADPHONES = 4, /** * A device type describing an analog line-level connection. */ AAUDIO_DEVICE_LINE_ANALOG = 5, /** * A device type describing a digital line connection (e.g. SPDIF). */ AAUDIO_DEVICE_LINE_DIGITAL = 6, /** * A device type describing a Bluetooth device typically used for telephony. */ AAUDIO_DEVICE_BLUETOOTH_SCO = 7, /** * A device type describing a Bluetooth device supporting the A2DP profile. */ AAUDIO_DEVICE_BLUETOOTH_A2DP = 8, /** * A device type describing an HDMI connection . */ AAUDIO_DEVICE_HDMI = 9, /** * A device type describing the Audio Return Channel of an HDMI connection. */ AAUDIO_DEVICE_HDMI_ARC = 10, /** * A device type describing a USB audio device. */ AAUDIO_DEVICE_USB_DEVICE = 11, /** * A device type describing a USB audio device in accessory mode. */ AAUDIO_DEVICE_USB_ACCESSORY = 12, /** * A device type describing the audio device associated with a dock. * Starting at API 34, this device type only represents digital docks, while docks with an * analog connection are represented with {@link #AAUDIO_DEVICE_DOCK_ANALOG}. */ AAUDIO_DEVICE_DOCK = 13, /** * A device type associated with the transmission of audio signals over FM. */ AAUDIO_DEVICE_FM = 14, /** * A device type describing the microphone(s) built in a device. */ AAUDIO_DEVICE_BUILTIN_MIC = 15, /** * A device type for accessing the audio content transmitted over FM. */ AAUDIO_DEVICE_FM_TUNER = 16, /** * A device type for accessing the audio content transmitted over the TV tuner system. */ AAUDIO_DEVICE_TV_TUNER = 17, /** * A device type describing the transmission of audio signals over the telephony network. */ AAUDIO_DEVICE_TELEPHONY = 18, /** * A device type describing the auxiliary line-level connectors. */ AAUDIO_DEVICE_AUX_LINE = 19, /** * A device type connected over IP. */ AAUDIO_DEVICE_IP = 20, /** * A type-agnostic device used for communication with external audio systems. */ AAUDIO_DEVICE_BUS = 21, /** * A device type describing a USB audio headset. */ AAUDIO_DEVICE_USB_HEADSET = 22, /** * A device type describing a Hearing Aid. */ AAUDIO_DEVICE_HEARING_AID = 23, /** * A device type describing the speaker system (i.e. a mono speaker or stereo speakers) built * in a device, that is specifically tuned for outputting sounds like notifications and alarms * (i.e. sounds the user couldn't necessarily anticipate). * <p>Note that this physical audio device may be the same as {@link #TYPE_BUILTIN_SPEAKER} * but is driven differently to safely accommodate the different use case.</p> */ AAUDIO_DEVICE_BUILTIN_SPEAKER_SAFE = 24, /** * A device type for rerouting audio within the Android framework between mixes and * system applications. */ AAUDIO_DEVICE_REMOTE_SUBMIX = 25, /** * A device type describing a Bluetooth Low Energy (BLE) audio headset or headphones. * Headphones are grouped with headsets when the device is a sink: * the features of headsets and headphones with regard to playback are the same. */ AAUDIO_DEVICE_BLE_HEADSET = 26, /** * A device type describing a Bluetooth Low Energy (BLE) audio speaker. */ AAUDIO_DEVICE_BLE_SPEAKER = 27, /** * A device type describing an Echo Canceller loopback Reference. * This device is only used when capturing with MediaRecorder.AudioSource.ECHO_REFERENCE, * which requires privileged permission * {@link android.Manifest.permission#CAPTURE_AUDIO_OUTPUT}. * * Note that this is not exposed as it is a system API that requires privileged permission. */ // AAUDIO_DEVICE_ECHO_REFERENCE = 28, /** * A device type describing the Enhanced Audio Return Channel of an HDMI connection. */ AAUDIO_DEVICE_HDMI_EARC = 29, /** * A device type describing a Bluetooth Low Energy (BLE) broadcast group. */ AAUDIO_DEVICE_BLE_BROADCAST = 30, /** * A device type describing the audio device associated with a dock using an analog connection. */ AAUDIO_DEVICE_DOCK_ANALOG = 31 } AAudio_DeviceType; /** * Query how aaudio mmap is supported for the given device type. * * @param device device type * @param direction {@link AAUDIO_DIRECTION_OUTPUT} or {@link AAUDIO_DIRECTION_INPUT} * @return the mmap policy or negative error */ AAUDIO_API aaudio_policy_t AAudio_getPlatformMMapPolicy( AAudio_DeviceType device, aaudio_direction_t direction) __INTRODUCED_IN(36); /** * Query how aaudio exclusive mmap is supported for the given device type. * * @param device device type * @param direction {@link AAUDIO_DIRECTION_OUTPUT} or {@link AAUDIO_DIRECTION_INPUT} * @return the mmap exclusive policy or negative error */ AAUDIO_API aaudio_policy_t AAudio_getPlatformMMapExclusivePolicy( AAudio_DeviceType device, aaudio_direction_t direction) __INTRODUCED_IN(36); /** * Control whether AAudioStreamBuilder_openStream() will use the new MMAP data path * or the older "Legacy" data path. 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media/libaaudio/include/aaudio/AAudio.h +229 −0 Original line number Diff line number Diff line Loading @@ -895,6 +895,180 @@ enum { }; typedef uint32_t aaudio_channel_mask_t; // The values are copied from JAVA SDK device types defined in android/media/AudioDeviceInfo.java // When a new value is added, it should be added here and handled by the conversion at // AAudioConvert_aaudioToAndroidDeviceType. typedef enum AAudio_DeviceType : int32_t { /** * A device type describing the attached earphone speaker. */ AAUDIO_DEVICE_BUILTIN_EARPIECE = 1, /** * A device type describing the speaker system (i.e. a mono speaker or stereo speakers) built * in a device. */ AAUDIO_DEVICE_BUILTIN_SPEAKER = 2, /** * A device type describing a headset, which is the combination of a headphones and microphone. */ AAUDIO_DEVICE_WIRED_HEADSET = 3, /** * A device type describing a pair of wired headphones. */ AAUDIO_DEVICE_WIRED_HEADPHONES = 4, /** * A device type describing an analog line-level connection. */ AAUDIO_DEVICE_LINE_ANALOG = 5, /** * A device type describing a digital line connection (e.g. SPDIF). */ AAUDIO_DEVICE_LINE_DIGITAL = 6, /** * A device type describing a Bluetooth device typically used for telephony. */ AAUDIO_DEVICE_BLUETOOTH_SCO = 7, /** * A device type describing a Bluetooth device supporting the A2DP profile. */ AAUDIO_DEVICE_BLUETOOTH_A2DP = 8, /** * A device type describing an HDMI connection . */ AAUDIO_DEVICE_HDMI = 9, /** * A device type describing the Audio Return Channel of an HDMI connection. */ AAUDIO_DEVICE_HDMI_ARC = 10, /** * A device type describing a USB audio device. */ AAUDIO_DEVICE_USB_DEVICE = 11, /** * A device type describing a USB audio device in accessory mode. */ AAUDIO_DEVICE_USB_ACCESSORY = 12, /** * A device type describing the audio device associated with a dock. * Starting at API 34, this device type only represents digital docks, while docks with an * analog connection are represented with {@link #AAUDIO_DEVICE_DOCK_ANALOG}. */ AAUDIO_DEVICE_DOCK = 13, /** * A device type associated with the transmission of audio signals over FM. */ AAUDIO_DEVICE_FM = 14, /** * A device type describing the microphone(s) built in a device. */ AAUDIO_DEVICE_BUILTIN_MIC = 15, /** * A device type for accessing the audio content transmitted over FM. */ AAUDIO_DEVICE_FM_TUNER = 16, /** * A device type for accessing the audio content transmitted over the TV tuner system. */ AAUDIO_DEVICE_TV_TUNER = 17, /** * A device type describing the transmission of audio signals over the telephony network. */ AAUDIO_DEVICE_TELEPHONY = 18, /** * A device type describing the auxiliary line-level connectors. */ AAUDIO_DEVICE_AUX_LINE = 19, /** * A device type connected over IP. */ AAUDIO_DEVICE_IP = 20, /** * A type-agnostic device used for communication with external audio systems. */ AAUDIO_DEVICE_BUS = 21, /** * A device type describing a USB audio headset. */ AAUDIO_DEVICE_USB_HEADSET = 22, /** * A device type describing a Hearing Aid. */ AAUDIO_DEVICE_HEARING_AID = 23, /** * A device type describing the speaker system (i.e. a mono speaker or stereo speakers) built * in a device, that is specifically tuned for outputting sounds like notifications and alarms * (i.e. sounds the user couldn't necessarily anticipate). * <p>Note that this physical audio device may be the same as {@link #TYPE_BUILTIN_SPEAKER} * but is driven differently to safely accommodate the different use case.</p> */ AAUDIO_DEVICE_BUILTIN_SPEAKER_SAFE = 24, /** * A device type for rerouting audio within the Android framework between mixes and * system applications. */ AAUDIO_DEVICE_REMOTE_SUBMIX = 25, /** * A device type describing a Bluetooth Low Energy (BLE) audio headset or headphones. * Headphones are grouped with headsets when the device is a sink: * the features of headsets and headphones with regard to playback are the same. */ AAUDIO_DEVICE_BLE_HEADSET = 26, /** * A device type describing a Bluetooth Low Energy (BLE) audio speaker. */ AAUDIO_DEVICE_BLE_SPEAKER = 27, /** * A device type describing an Echo Canceller loopback Reference. * This device is only used when capturing with MediaRecorder.AudioSource.ECHO_REFERENCE, * which requires privileged permission * {@link android.Manifest.permission#CAPTURE_AUDIO_OUTPUT}. * * Note that this is not exposed as it is a system API that requires privileged permission. */ // AAUDIO_DEVICE_ECHO_REFERENCE = 28, /** * A device type describing the Enhanced Audio Return Channel of an HDMI connection. */ AAUDIO_DEVICE_HDMI_EARC = 29, /** * A device type describing a Bluetooth Low Energy (BLE) broadcast group. */ AAUDIO_DEVICE_BLE_BROADCAST = 30, /** * A device type describing the audio device associated with a dock using an analog connection. */ AAUDIO_DEVICE_DOCK_ANALOG = 31 } AAudio_DeviceType; typedef struct AAudioStreamStruct AAudioStream; typedef struct AAudioStreamBuilderStruct AAudioStreamBuilder; Loading Loading @@ -2342,6 +2516,61 @@ AAUDIO_API int32_t AAudioStream_getOffloadPadding(AAudioStream* _Nonnull stream) AAUDIO_API aaudio_result_t AAudioStream_setOffloadEndOfStream(AAudioStream* _Nonnull stream) __INTRODUCED_IN(36); /************************************************************************************ * Helper functions for AAudio MMAP. * AAudio MMAP data path uses a memory region that is shared between the hardware and * the audio software. The shared memory is referenced using a file descriptor that is * generated by the ALSA driver. Apps can read/write directly from/to the shared * memory, which helps improve the audio latency. ************************************************************************************/ /** * When the audio is played/recorded via AAudio MMAP data path, the apps can write to/read from * a shared memory that will also be accessed directly by hardware. That reduces the audio latency. * The following values are used to describe how AAudio MMAP is supported. */ enum { /** * AAudio MMAP is disabled and never used. */ AAUDIO_POLICY_NEVER = 1, /** * AAudio MMAP support depends on device's availability. It will be used * when it is possible or fallback to the normal path, where the audio data * will be delivered via audio framework data pipeline. */ AAUDIO_POLICY_AUTO, /** * AAudio MMAP must be used or fail. */ AAUDIO_POLICY_ALWAYS }; typedef int32_t aaudio_policy_t; /** * Query how aaudio mmap is supported for the given device type. * * @param device device type * @param direction {@link AAUDIO_DIRECTION_OUTPUT} or {@link AAUDIO_DIRECTION_INPUT} * @return the mmap policy or {@link #AAUDIO_ERROR_ILLEGAL_ARGUMENT} if the device or direction * is invalid or {@link #AAUDIO_ERROR_INTERNAL} if the audio HAL returns error. */ AAUDIO_API aaudio_policy_t AAudio_getPlatformMMapPolicy( AAudio_DeviceType device, aaudio_direction_t direction) __INTRODUCED_IN(36); /** * Query how aaudio exclusive mmap is supported for the given device type. * * @param device device type * @param direction {@link AAUDIO_DIRECTION_OUTPUT} or {@link AAUDIO_DIRECTION_INPUT} * @return the mmap exclusive policy or or {@link #AAUDIO_ERROR_ILLEGAL_ARGUMENT} if the device * or direction is invalid or {@link #AAUDIO_ERROR_INTERNAL} if the audio HAL returns error. */ AAUDIO_API aaudio_policy_t AAudio_getPlatformMMapExclusivePolicy( AAudio_DeviceType device, aaudio_direction_t direction) __INTRODUCED_IN(36); #ifdef __cplusplus } #endif Loading
media/libaaudio/include/aaudio/AAudioTesting.h +0 −219 Original line number Diff line number Diff line Loading @@ -31,225 +31,6 @@ extern "C" { * They may change or be removed at any time. ************************************************************************************/ /** * When the audio is played/recorded via AAudio MMAP data path, the apps can write to/read from * a shared memory that will also be accessed directly by hardware. That reduces the audio latency. * The following values are used to describe how AAudio MMAP is supported. */ enum { /** * AAudio MMAP is disabled and never used. */ AAUDIO_POLICY_NEVER = 1, /** * AAudio MMAP support depends on device's availability. It will be used * when it is possible or fallback to the normal path, where the audio data * will be delivered via audio framework data pipeline. */ AAUDIO_POLICY_AUTO, /** * AAudio MMAP must be used or fail. */ AAUDIO_POLICY_ALWAYS }; typedef int32_t aaudio_policy_t; // The values are copied from JAVA SDK device types defined in android/media/AudioDeviceInfo.java // When a new value is added, it should be added here and handled by the conversion at // AAudioConvert_aaudioToAndroidDeviceType. typedef enum AAudio_DeviceType : int32_t { /** * A device type describing the attached earphone speaker. */ AAUDIO_DEVICE_BUILTIN_EARPIECE = 1, /** * A device type describing the speaker system (i.e. a mono speaker or stereo speakers) built * in a device. */ AAUDIO_DEVICE_BUILTIN_SPEAKER = 2, /** * A device type describing a headset, which is the combination of a headphones and microphone. */ AAUDIO_DEVICE_WIRED_HEADSET = 3, /** * A device type describing a pair of wired headphones. */ AAUDIO_DEVICE_WIRED_HEADPHONES = 4, /** * A device type describing an analog line-level connection. */ AAUDIO_DEVICE_LINE_ANALOG = 5, /** * A device type describing a digital line connection (e.g. SPDIF). */ AAUDIO_DEVICE_LINE_DIGITAL = 6, /** * A device type describing a Bluetooth device typically used for telephony. */ AAUDIO_DEVICE_BLUETOOTH_SCO = 7, /** * A device type describing a Bluetooth device supporting the A2DP profile. */ AAUDIO_DEVICE_BLUETOOTH_A2DP = 8, /** * A device type describing an HDMI connection . */ AAUDIO_DEVICE_HDMI = 9, /** * A device type describing the Audio Return Channel of an HDMI connection. */ AAUDIO_DEVICE_HDMI_ARC = 10, /** * A device type describing a USB audio device. */ AAUDIO_DEVICE_USB_DEVICE = 11, /** * A device type describing a USB audio device in accessory mode. */ AAUDIO_DEVICE_USB_ACCESSORY = 12, /** * A device type describing the audio device associated with a dock. * Starting at API 34, this device type only represents digital docks, while docks with an * analog connection are represented with {@link #AAUDIO_DEVICE_DOCK_ANALOG}. */ AAUDIO_DEVICE_DOCK = 13, /** * A device type associated with the transmission of audio signals over FM. */ AAUDIO_DEVICE_FM = 14, /** * A device type describing the microphone(s) built in a device. */ AAUDIO_DEVICE_BUILTIN_MIC = 15, /** * A device type for accessing the audio content transmitted over FM. */ AAUDIO_DEVICE_FM_TUNER = 16, /** * A device type for accessing the audio content transmitted over the TV tuner system. */ AAUDIO_DEVICE_TV_TUNER = 17, /** * A device type describing the transmission of audio signals over the telephony network. */ AAUDIO_DEVICE_TELEPHONY = 18, /** * A device type describing the auxiliary line-level connectors. */ AAUDIO_DEVICE_AUX_LINE = 19, /** * A device type connected over IP. */ AAUDIO_DEVICE_IP = 20, /** * A type-agnostic device used for communication with external audio systems. */ AAUDIO_DEVICE_BUS = 21, /** * A device type describing a USB audio headset. */ AAUDIO_DEVICE_USB_HEADSET = 22, /** * A device type describing a Hearing Aid. */ AAUDIO_DEVICE_HEARING_AID = 23, /** * A device type describing the speaker system (i.e. a mono speaker or stereo speakers) built * in a device, that is specifically tuned for outputting sounds like notifications and alarms * (i.e. sounds the user couldn't necessarily anticipate). * <p>Note that this physical audio device may be the same as {@link #TYPE_BUILTIN_SPEAKER} * but is driven differently to safely accommodate the different use case.</p> */ AAUDIO_DEVICE_BUILTIN_SPEAKER_SAFE = 24, /** * A device type for rerouting audio within the Android framework between mixes and * system applications. */ AAUDIO_DEVICE_REMOTE_SUBMIX = 25, /** * A device type describing a Bluetooth Low Energy (BLE) audio headset or headphones. * Headphones are grouped with headsets when the device is a sink: * the features of headsets and headphones with regard to playback are the same. */ AAUDIO_DEVICE_BLE_HEADSET = 26, /** * A device type describing a Bluetooth Low Energy (BLE) audio speaker. */ AAUDIO_DEVICE_BLE_SPEAKER = 27, /** * A device type describing an Echo Canceller loopback Reference. * This device is only used when capturing with MediaRecorder.AudioSource.ECHO_REFERENCE, * which requires privileged permission * {@link android.Manifest.permission#CAPTURE_AUDIO_OUTPUT}. * * Note that this is not exposed as it is a system API that requires privileged permission. */ // AAUDIO_DEVICE_ECHO_REFERENCE = 28, /** * A device type describing the Enhanced Audio Return Channel of an HDMI connection. */ AAUDIO_DEVICE_HDMI_EARC = 29, /** * A device type describing a Bluetooth Low Energy (BLE) broadcast group. */ AAUDIO_DEVICE_BLE_BROADCAST = 30, /** * A device type describing the audio device associated with a dock using an analog connection. */ AAUDIO_DEVICE_DOCK_ANALOG = 31 } AAudio_DeviceType; /** * Query how aaudio mmap is supported for the given device type. * * @param device device type * @param direction {@link AAUDIO_DIRECTION_OUTPUT} or {@link AAUDIO_DIRECTION_INPUT} * @return the mmap policy or negative error */ AAUDIO_API aaudio_policy_t AAudio_getPlatformMMapPolicy( AAudio_DeviceType device, aaudio_direction_t direction) __INTRODUCED_IN(36); /** * Query how aaudio exclusive mmap is supported for the given device type. * * @param device device type * @param direction {@link AAUDIO_DIRECTION_OUTPUT} or {@link AAUDIO_DIRECTION_INPUT} * @return the mmap exclusive policy or negative error */ AAUDIO_API aaudio_policy_t AAudio_getPlatformMMapExclusivePolicy( AAudio_DeviceType device, aaudio_direction_t direction) __INTRODUCED_IN(36); /** * Control whether AAudioStreamBuilder_openStream() will use the new MMAP data path * or the older "Legacy" data path. 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