Revert^2 "Add APIs to query MMAP support in AAudio."
aca8f4620d31b4788e579f3fcc048b90a23d6758
Change-Id: I8db2f75f1af5df667e0c00b195feb55551337f88
diff --git a/media/audioserver/main_audioserver.cpp b/media/audioserver/main_audioserver.cpp
index 5d7daa4..b0a2d71 100644
--- a/media/audioserver/main_audioserver.cpp
+++ b/media/audioserver/main_audioserver.cpp
@@ -190,7 +190,7 @@
// attempting to call audio flinger on a null pointer could make the process crash
// and attract attentions.
std::vector<AudioMMapPolicyInfo> policyInfos;
- status_t status = sp<IAudioFlinger>::cast(af)->getMmapPolicyInfos(
+ status_t status = AudioSystem::getMmapPolicyInfos(
AudioMMapPolicyType::DEFAULT, &policyInfos);
// Initialize aaudio service when querying mmap policy succeeds and
// any of the policy supports MMAP.
diff --git a/media/libaaudio/include/aaudio/AAudioTesting.h b/media/libaaudio/include/aaudio/AAudioTesting.h
index d67ec70..16d6c33 100644
--- a/media/libaaudio/include/aaudio/AAudioTesting.h
+++ b/media/libaaudio/include/aaudio/AAudioTesting.h
@@ -31,24 +31,225 @@
* 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 {
/**
- * Related feature is disabled and never used.
+ * AAudio MMAP is disabled and never used.
*/
AAUDIO_POLICY_NEVER = 1,
/**
- * If related feature works then use it. Otherwise fall back to something else.
+ * 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_POLICY_AUTO,
/**
- * Related feature must be used. If not available then fail.
+ * 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.
diff --git a/media/libaaudio/src/core/AAudioAudio.cpp b/media/libaaudio/src/core/AAudioAudio.cpp
index 1e8ac8d..3315344 100644
--- a/media/libaaudio/src/core/AAudioAudio.cpp
+++ b/media/libaaudio/src/core/AAudioAudio.cpp
@@ -53,6 +53,16 @@
return AudioGlobal_convertStreamStateToText(state);
}
+AAUDIO_API aaudio_policy_t AAudio_getPlatformMMapPolicy(
+ AAudio_DeviceType device, aaudio_direction_t direction) {
+ return AudioGlobal_getPlatformMMapPolicy(device, direction);
+}
+
+AAUDIO_API aaudio_policy_t AAudio_getPlatformMMapExclusivePolicy(
+ AAudio_DeviceType device, aaudio_direction_t direction) {
+ return AudioGlobal_getPlatformMMapExclusivePolicy(device, direction);
+}
+
static AudioStream *convertAAudioStreamToAudioStream(AAudioStream* stream)
{
return (AudioStream*) stream;
diff --git a/media/libaaudio/src/core/AudioGlobal.cpp b/media/libaaudio/src/core/AudioGlobal.cpp
index 30f9677..3268488 100644
--- a/media/libaaudio/src/core/AudioGlobal.cpp
+++ b/media/libaaudio/src/core/AudioGlobal.cpp
@@ -15,6 +15,13 @@
*/
#include <aaudio/AAudio.h>
#include <aaudio/AAudioTesting.h>
+#include <android/media/audio/common/AudioDevice.h>
+#include <android/media/audio/common/AudioMMapPolicyInfo.h>
+#include <android/media/audio/common/AudioMMapPolicyType.h>
+#include <media/AidlConversionCppNdk.h>
+#include <media/AudioSystem.h>
+#include <system/audio-hal-enums.h>
+#include <utility/AAudioUtilities.h>
#include "AudioGlobal.h"
@@ -23,6 +30,10 @@
*/
namespace aaudio {
+using android::media::audio::common::AudioDevice;
+using android::media::audio::common::AudioMMapPolicyInfo;
+using android::media::audio::common::AudioMMapPolicyType;
+
static aaudio_policy_t g_MMapPolicy = AAUDIO_UNSPECIFIED;
aaudio_policy_t AudioGlobal_getMMapPolicy() {
@@ -132,6 +143,39 @@
return "Unrecognized";
}
+namespace {
+
+aaudio_policy_t getPlatformMMapPolicy(AudioMMapPolicyType policyType, AAudio_DeviceType device,
+ aaudio_direction_t direction) {
+ if (direction != AAUDIO_DIRECTION_INPUT && direction != AAUDIO_DIRECTION_OUTPUT) {
+ return AAUDIO_ERROR_ILLEGAL_ARGUMENT;
+ }
+ const audio_devices_t deviceType = AAudioConvert_aaudioToAndroidDeviceType(device, direction);
+ if (deviceType == AUDIO_DEVICE_NONE) {
+ return AAUDIO_ERROR_ILLEGAL_ARGUMENT;
+ }
+
+ AudioMMapPolicyInfo policyInfo;
+ if (android::status_t status = android::AudioSystem::getMmapPolicyForDevice(
+ policyType, deviceType, &policyInfo);
+ status != android::NO_ERROR) {
+ return AAudioConvert_androidToAAudioResult(status);
+ }
+ return AAudioConvert_androidToAAudioMMapPolicy(policyInfo.mmapPolicy);
+}
+
+} // namespace
+
+aaudio_policy_t AudioGlobal_getPlatformMMapPolicy(
+ AAudio_DeviceType device, aaudio_direction_t direction) {
+ return getPlatformMMapPolicy(AudioMMapPolicyType::DEFAULT, device, direction);
+}
+
+aaudio_policy_t AudioGlobal_getPlatformMMapExclusivePolicy(
+ AAudio_DeviceType device, aaudio_direction_t direction) {
+ return getPlatformMMapPolicy(AudioMMapPolicyType::EXCLUSIVE, device, direction);
+}
+
#undef AAUDIO_CASE_ENUM
} // namespace aaudio
diff --git a/media/libaaudio/src/core/AudioGlobal.h b/media/libaaudio/src/core/AudioGlobal.h
index 8af49b4..7ff344b 100644
--- a/media/libaaudio/src/core/AudioGlobal.h
+++ b/media/libaaudio/src/core/AudioGlobal.h
@@ -40,6 +40,11 @@
const char* AudioGlobal_convertSharingModeToText(aaudio_sharing_mode_t mode);
const char* AudioGlobal_convertStreamStateToText(aaudio_stream_state_t state);
+aaudio_policy_t AudioGlobal_getPlatformMMapPolicy(
+ AAudio_DeviceType device, aaudio_direction_t direction);
+aaudio_policy_t AudioGlobal_getPlatformMMapExclusivePolicy(
+ AAudio_DeviceType device, aaudio_direction_t direction);
+
} // namespace aaudio
#endif // AAUDIO_AUDIOGLOBAL_H
diff --git a/media/libaaudio/src/core/AudioStreamBuilder.cpp b/media/libaaudio/src/core/AudioStreamBuilder.cpp
index 01f0038..b0dc669 100644
--- a/media/libaaudio/src/core/AudioStreamBuilder.cpp
+++ b/media/libaaudio/src/core/AudioStreamBuilder.cpp
@@ -110,7 +110,7 @@
std::vector<AudioMMapPolicyInfo> policyInfos;
aaudio_policy_t mmapPolicy = AudioGlobal_getMMapPolicy();
ALOGD("%s, global mmap policy is %d", __func__, mmapPolicy);
- if (status_t status = android::AudioSystem::getMmapPolicyInfo(
+ if (status_t status = android::AudioSystem::getMmapPolicyInfos(
AudioMMapPolicyType::DEFAULT, &policyInfos); status == NO_ERROR) {
aaudio_policy_t systemMmapPolicy = AAudio_getAAudioPolicy(
policyInfos, AAUDIO_MMAP_POLICY_DEFAULT_AIDL);
@@ -143,7 +143,7 @@
policyInfos.clear();
aaudio_policy_t mmapExclusivePolicy = AAUDIO_UNSPECIFIED;
- if (status_t status = android::AudioSystem::getMmapPolicyInfo(
+ if (status_t status = android::AudioSystem::getMmapPolicyInfos(
AudioMMapPolicyType::EXCLUSIVE, &policyInfos); status == NO_ERROR) {
mmapExclusivePolicy = AAudio_getAAudioPolicy(
policyInfos, AAUDIO_MMAP_EXCLUSIVE_POLICY_DEFAULT_AIDL);
diff --git a/media/libaaudio/src/libaaudio.map.txt b/media/libaaudio/src/libaaudio.map.txt
index e28dcb4..7213393 100644
--- a/media/libaaudio/src/libaaudio.map.txt
+++ b/media/libaaudio/src/libaaudio.map.txt
@@ -70,6 +70,8 @@
AAudioStream_getHardwareChannelCount; # introduced=UpsideDownCake
AAudioStream_getHardwareFormat; # introduced=UpsideDownCake
AAudioStream_getHardwareSampleRate; # introduced=UpsideDownCake
+ AAudio_getPlatformMMapPolicy; # introduced=36
+ AAudio_getPlatformMMapExclusivePolicy; #introduced=36
local:
*;
};
diff --git a/media/libaaudio/src/utility/AAudioUtilities.cpp b/media/libaaudio/src/utility/AAudioUtilities.cpp
index 3df23ee..c741946 100644
--- a/media/libaaudio/src/utility/AAudioUtilities.cpp
+++ b/media/libaaudio/src/utility/AAudioUtilities.cpp
@@ -693,3 +693,128 @@
}
return aidl2legacy_aaudio_policy(policy);
}
+
+audio_devices_t AAudioConvert_aaudioToAndroidDeviceType(AAudio_DeviceType device,
+ aaudio_direction_t direction) {
+ if (direction == AAUDIO_DIRECTION_INPUT) {
+ switch (device) {
+ case AAUDIO_DEVICE_BUILTIN_MIC:
+ return AUDIO_DEVICE_IN_BUILTIN_MIC;
+ case AAUDIO_DEVICE_BLUETOOTH_SCO:
+ return AUDIO_DEVICE_IN_BLUETOOTH_SCO_HEADSET;
+ case AAUDIO_DEVICE_WIRED_HEADSET:
+ return AUDIO_DEVICE_IN_WIRED_HEADSET;
+ case AAUDIO_DEVICE_HDMI:
+ return AUDIO_DEVICE_IN_HDMI;
+ case AAUDIO_DEVICE_TELEPHONY:
+ return AUDIO_DEVICE_IN_TELEPHONY_RX;
+ case AAUDIO_DEVICE_DOCK:
+ return AUDIO_DEVICE_IN_DGTL_DOCK_HEADSET;
+ case AAUDIO_DEVICE_DOCK_ANALOG:
+ return AUDIO_DEVICE_IN_ANLG_DOCK_HEADSET;
+ case AAUDIO_DEVICE_USB_ACCESSORY:
+ return AUDIO_DEVICE_IN_USB_ACCESSORY;
+ case AAUDIO_DEVICE_USB_DEVICE:
+ return AUDIO_DEVICE_IN_USB_DEVICE;
+ case AAUDIO_DEVICE_USB_HEADSET:
+ return AUDIO_DEVICE_IN_USB_HEADSET;
+ case AAUDIO_DEVICE_FM_TUNER:
+ return AUDIO_DEVICE_IN_FM_TUNER;
+ case AAUDIO_DEVICE_TV_TUNER:
+ return AUDIO_DEVICE_IN_TV_TUNER;
+ case AAUDIO_DEVICE_LINE_ANALOG:
+ return AUDIO_DEVICE_IN_LINE;
+ case AAUDIO_DEVICE_LINE_DIGITAL:
+ return AUDIO_DEVICE_IN_SPDIF;
+ case AAUDIO_DEVICE_BLUETOOTH_A2DP:
+ return AUDIO_DEVICE_IN_BLUETOOTH_A2DP;
+ case AAUDIO_DEVICE_IP:
+ return AUDIO_DEVICE_IN_IP;
+ case AAUDIO_DEVICE_BUS:
+ return AUDIO_DEVICE_IN_BUS;
+ case AAUDIO_DEVICE_REMOTE_SUBMIX:
+ return AUDIO_DEVICE_IN_REMOTE_SUBMIX;
+ case AAUDIO_DEVICE_BLE_HEADSET:
+ return AUDIO_DEVICE_IN_BLE_HEADSET;
+ case AAUDIO_DEVICE_HDMI_ARC:
+ return AUDIO_DEVICE_IN_HDMI_ARC;
+ case AAUDIO_DEVICE_HDMI_EARC:
+ return AUDIO_DEVICE_IN_HDMI_EARC;
+ default:
+ break;
+ }
+ } else {
+ switch (device) {
+ case AAUDIO_DEVICE_BUILTIN_EARPIECE:
+ return AUDIO_DEVICE_OUT_EARPIECE;
+ case AAUDIO_DEVICE_BUILTIN_SPEAKER:
+ return AUDIO_DEVICE_OUT_SPEAKER;
+ case AAUDIO_DEVICE_WIRED_HEADSET:
+ return AUDIO_DEVICE_OUT_WIRED_HEADSET;
+ case AAUDIO_DEVICE_WIRED_HEADPHONES:
+ return AUDIO_DEVICE_OUT_WIRED_HEADPHONE;
+ case AAUDIO_DEVICE_LINE_ANALOG:
+ return AUDIO_DEVICE_OUT_LINE;
+ case AAUDIO_DEVICE_LINE_DIGITAL:
+ return AUDIO_DEVICE_OUT_SPDIF;
+ case AAUDIO_DEVICE_BLUETOOTH_SCO:
+ return AUDIO_DEVICE_OUT_BLUETOOTH_SCO;
+ case AAUDIO_DEVICE_BLUETOOTH_A2DP:
+ return AUDIO_DEVICE_OUT_BLUETOOTH_A2DP;
+ case AAUDIO_DEVICE_HDMI:
+ return AUDIO_DEVICE_OUT_HDMI;
+ case AAUDIO_DEVICE_HDMI_ARC:
+ return AUDIO_DEVICE_OUT_HDMI_ARC;
+ case AAUDIO_DEVICE_HDMI_EARC:
+ return AUDIO_DEVICE_OUT_HDMI_EARC;
+ case AAUDIO_DEVICE_USB_DEVICE:
+ return AUDIO_DEVICE_OUT_USB_DEVICE;
+ case AAUDIO_DEVICE_USB_HEADSET:
+ return AUDIO_DEVICE_OUT_USB_HEADSET;
+ case AAUDIO_DEVICE_USB_ACCESSORY:
+ return AUDIO_DEVICE_OUT_USB_ACCESSORY;
+ case AAUDIO_DEVICE_DOCK:
+ return AUDIO_DEVICE_OUT_DGTL_DOCK_HEADSET;
+ case AAUDIO_DEVICE_DOCK_ANALOG:
+ return AUDIO_DEVICE_OUT_ANLG_DOCK_HEADSET;
+ case AAUDIO_DEVICE_FM:
+ return AUDIO_DEVICE_OUT_FM;
+ case AAUDIO_DEVICE_TELEPHONY:
+ return AUDIO_DEVICE_OUT_TELEPHONY_TX;
+ case AAUDIO_DEVICE_AUX_LINE:
+ return AUDIO_DEVICE_OUT_AUX_LINE;
+ case AAUDIO_DEVICE_IP:
+ return AUDIO_DEVICE_OUT_IP;
+ case AAUDIO_DEVICE_BUS:
+ return AUDIO_DEVICE_OUT_BUS;
+ case AAUDIO_DEVICE_HEARING_AID:
+ return AUDIO_DEVICE_OUT_HEARING_AID;
+ case AAUDIO_DEVICE_BUILTIN_SPEAKER_SAFE:
+ return AUDIO_DEVICE_OUT_SPEAKER_SAFE;
+ case AAUDIO_DEVICE_REMOTE_SUBMIX:
+ return AUDIO_DEVICE_OUT_REMOTE_SUBMIX;
+ case AAUDIO_DEVICE_BLE_HEADSET:
+ return AUDIO_DEVICE_OUT_BLE_HEADSET;
+ case AAUDIO_DEVICE_BLE_SPEAKER:
+ return AUDIO_DEVICE_OUT_BLE_SPEAKER;
+ case AAUDIO_DEVICE_BLE_BROADCAST:
+ return AUDIO_DEVICE_OUT_BLE_BROADCAST;
+ default:
+ break;
+ }
+ }
+ return AUDIO_DEVICE_NONE;
+}
+
+aaudio_policy_t AAudioConvert_androidToAAudioMMapPolicy(AudioMMapPolicy policy) {
+ switch (policy) {
+ case AudioMMapPolicy::AUTO:
+ return AAUDIO_POLICY_AUTO;
+ case AudioMMapPolicy::ALWAYS:
+ return AAUDIO_POLICY_ALWAYS;
+ case AudioMMapPolicy::NEVER:
+ case AudioMMapPolicy::UNSPECIFIED:
+ default:
+ return AAUDIO_POLICY_NEVER;
+ }
+}
diff --git a/media/libaaudio/src/utility/AAudioUtilities.h b/media/libaaudio/src/utility/AAudioUtilities.h
index 7c351e1..d5069f5 100644
--- a/media/libaaudio/src/utility/AAudioUtilities.h
+++ b/media/libaaudio/src/utility/AAudioUtilities.h
@@ -363,4 +363,14 @@
android::media::audio::common::AudioMMapPolicy defaultPolicy =
android::media::audio::common::AudioMMapPolicy::NEVER);
+/**
+ * Convert the aaudio device type to android device type. Returns AUDIO_DEVICE_NONE if
+ * the given device is not a valid one.
+ */
+audio_devices_t AAudioConvert_aaudioToAndroidDeviceType(
+ AAudio_DeviceType device, aaudio_direction_t direction);
+
+aaudio_policy_t AAudioConvert_androidToAAudioMMapPolicy(
+ android::media::audio::common::AudioMMapPolicy policy);
+
#endif //UTILITY_AAUDIO_UTILITIES_H
diff --git a/media/libaaudio/tests/test_mmap_path.cpp b/media/libaaudio/tests/test_mmap_path.cpp
index c8376f6..6ad694f 100644
--- a/media/libaaudio/tests/test_mmap_path.cpp
+++ b/media/libaaudio/tests/test_mmap_path.cpp
@@ -40,7 +40,7 @@
*/
static void openStreamAndVerify(aaudio_direction_t direction) {
std::vector<AudioMMapPolicyInfo> policyInfos;
- ASSERT_EQ(android::NO_ERROR, android::AudioSystem::getMmapPolicyInfo(
+ ASSERT_EQ(android::NO_ERROR, android::AudioSystem::getMmapPolicyInfos(
AudioMMapPolicyType::DEFAULT, &policyInfos));
if (AAudio_getAAudioPolicy(policyInfos) == AAUDIO_POLICY_NEVER) {
// Query the system MMAP policy, if it is NEVER, it indicates there is no MMAP support.
diff --git a/media/libaudioclient/AudioSystem.cpp b/media/libaudioclient/AudioSystem.cpp
index ee44074..a467d2c 100644
--- a/media/libaudioclient/AudioSystem.cpp
+++ b/media/libaudioclient/AudioSystem.cpp
@@ -2700,13 +2700,13 @@
return af->setVibratorInfos(vibratorInfos);
}
-status_t AudioSystem::getMmapPolicyInfo(
+status_t AudioSystem::getMmapPolicyInfos(
AudioMMapPolicyType policyType, std::vector<AudioMMapPolicyInfo> *policyInfos) {
- const sp<IAudioFlinger> af = get_audio_flinger();
- if (af == nullptr) {
+ const sp<IAudioPolicyService> aps = get_audio_policy_service();
+ if (aps == nullptr) {
return PERMISSION_DENIED;
}
- return af->getMmapPolicyInfos(policyType, policyInfos);
+ return statusTFromBinderStatus(aps->getMmapPolicyInfos(policyType, policyInfos));
}
int32_t AudioSystem::getAAudioMixerBurstCount() {
@@ -2803,6 +2803,18 @@
aps->clearPreferredMixerAttributes(attrAidl, portIdAidl, uidAidl));
}
+status_t AudioSystem::getMmapPolicyForDevice(AudioMMapPolicyType policyType,
+ audio_devices_t device,
+ AudioMMapPolicyInfo *policyInfo) {
+ const sp<IAudioPolicyService> aps = get_audio_policy_service();
+ if (aps == nullptr) {
+ return PERMISSION_DENIED;
+ }
+ policyInfo->device.type = VALUE_OR_RETURN_STATUS(
+ legacy2aidl_audio_devices_t_AudioDeviceDescription(device));
+ return statusTFromBinderStatus(aps->getMmapPolicyForDevice(policyType, policyInfo));
+}
+
// ---------------------------------------------------------------------------
int AudioSystem::AudioPolicyServiceClient::addAudioPortCallback(
diff --git a/media/libaudioclient/aidl/android/media/IAudioPolicyService.aidl b/media/libaudioclient/aidl/android/media/IAudioPolicyService.aidl
index b4f879a..f262c2e 100644
--- a/media/libaudioclient/aidl/android/media/IAudioPolicyService.aidl
+++ b/media/libaudioclient/aidl/android/media/IAudioPolicyService.aidl
@@ -46,6 +46,8 @@
import android.media.audio.common.AudioDevice;
import android.media.audio.common.AudioDeviceDescription;
import android.media.audio.common.AudioFormatDescription;
+import android.media.audio.common.AudioMMapPolicyInfo;
+import android.media.audio.common.AudioMMapPolicyType;
import android.media.audio.common.AudioMode;
import android.media.audio.common.AudioPolicyForcedConfig;
import android.media.audio.common.AudioPolicyForceUse;
@@ -482,6 +484,17 @@
* required to control audio access.
*/
INativePermissionController getPermissionController();
+
+ /**
+ * Query mmap policy information.
+ */
+ AudioMMapPolicyInfo[] getMmapPolicyInfos(AudioMMapPolicyType policyType);
+
+ /**
+ * Get all devices that support AAudio MMAP.
+ */
+ void getMmapPolicyForDevice(AudioMMapPolicyType policyType,
+ inout AudioMMapPolicyInfo policyInfo);
// When adding a new method, please review and update
// AudioPolicyService.cpp AudioPolicyService::onTransact()
// AudioPolicyService.cpp IAUDIOPOLICYSERVICE_BINDER_METHOD_MACRO_LIST
diff --git a/media/libaudioclient/include/media/AudioSystem.h b/media/libaudioclient/include/media/AudioSystem.h
index 40e5673..d0f3767 100644
--- a/media/libaudioclient/include/media/AudioSystem.h
+++ b/media/libaudioclient/include/media/AudioSystem.h
@@ -797,7 +797,7 @@
static status_t setVibratorInfos(const std::vector<media::AudioVibratorInfo>& vibratorInfos);
- static status_t getMmapPolicyInfo(
+ static status_t getMmapPolicyInfos(
media::audio::common::AudioMMapPolicyType policyType,
std::vector<media::audio::common::AudioMMapPolicyInfo> *policyInfos);
@@ -805,6 +805,10 @@
static int32_t getAAudioHardwareBurstMinUsec();
+ static status_t getMmapPolicyForDevice(
+ media::audio::common::AudioMMapPolicyType policyType, audio_devices_t device,
+ media::audio::common::AudioMMapPolicyInfo *policyInfo);
+
class AudioFlingerClient: public IBinder::DeathRecipient, public media::BnAudioFlingerClient
{
public: