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-rw-r--r--core/api/current.txt1
-rw-r--r--core/jni/android_media_AudioSystem.cpp54
-rw-r--r--media/java/android/media/AudioManager.java48
-rw-r--r--media/java/android/media/AudioSystem.java3
4 files changed, 106 insertions, 0 deletions
diff --git a/core/api/current.txt b/core/api/current.txt
index 0ab93b82b441..cf5a261f583d 100644
--- a/core/api/current.txt
+++ b/core/api/current.txt
@@ -21194,6 +21194,7 @@ package android.media {
method public int getStreamMinVolume(int);
method public int getStreamVolume(int);
method public float getStreamVolumeDb(int, int, int);
+ method @FlaggedApi("android.media.audio.supported_device_types_api") @NonNull public java.util.Set<java.lang.Integer> getSupportedDeviceTypes(int);
method @NonNull public java.util.List<android.media.AudioMixerAttributes> getSupportedMixerAttributes(@NonNull android.media.AudioDeviceInfo);
method @Deprecated public int getVibrateSetting(int);
method public int getVolumeGroupIdForAttributes(@NonNull android.media.AudioAttributes);
diff --git a/core/jni/android_media_AudioSystem.cpp b/core/jni/android_media_AudioSystem.cpp
index 3413ededb889..969e47b6a803 100644
--- a/core/jni/android_media_AudioSystem.cpp
+++ b/core/jni/android_media_AudioSystem.cpp
@@ -25,6 +25,7 @@
#include <android_os_Parcel.h>
#include <audiomanager/AudioManager.h>
#include <jni.h>
+#include <media/AidlConversion.h>
#include <media/AudioContainers.h>
#include <media/AudioPolicy.h>
#include <media/AudioSystem.h>
@@ -66,6 +67,11 @@ static struct {
jmethodID toArray;
} gArrayListMethods;
+static jclass gIntArrayClass;
+static struct {
+ jmethodID add;
+} gIntArrayMethods;
+
static jclass gBooleanClass;
static jmethodID gBooleanCstor;
@@ -1607,6 +1613,48 @@ android_media_AudioSystem_listAudioPorts(JNIEnv *env, jobject clazz,
return jStatus;
}
+// From AudioDeviceInfo
+static const int GET_DEVICES_INPUTS = 0x0001;
+static const int GET_DEVICES_OUTPUTS = 0x0002;
+
+static int android_media_AudioSystem_getSupportedDeviceTypes(JNIEnv *env, jobject clazz,
+ jint direction, jobject jDeviceTypes) {
+ if (jDeviceTypes == NULL) {
+ ALOGE("%s NULL Device Types IntArray", __func__);
+ return AUDIO_JAVA_BAD_VALUE;
+ }
+ if (!env->IsInstanceOf(jDeviceTypes, gIntArrayClass)) {
+ ALOGE("%s not an IntArray", __func__);
+ return AUDIO_JAVA_BAD_VALUE;
+ }
+
+ // Convert AudioManager.GET_DEVICES_ flags to AUDIO_PORT_ROLE_ constants
+ audio_port_role_t role;
+ if (direction == GET_DEVICES_INPUTS) {
+ role = AUDIO_PORT_ROLE_SOURCE;
+ } else if (direction == GET_DEVICES_OUTPUTS) {
+ role = AUDIO_PORT_ROLE_SINK;
+ } else {
+ ALOGE("%s invalid direction : 0x%X", __func__, direction);
+ return AUDIO_JAVA_BAD_VALUE;
+ }
+
+ std::vector<media::AudioPortFw> deviceList;
+ AudioSystem::listDeclaredDevicePorts(static_cast<media::AudioPortRole>(role), &deviceList);
+
+ // Walk the device list
+ for (const auto &device : deviceList) {
+ ConversionResult<audio_port_v7> result = aidl2legacy_AudioPortFw_audio_port_v7(device);
+
+ struct audio_port_v7 port = VALUE_OR_RETURN_STATUS(result);
+ assert(port.type == AUDIO_PORT_TYPE_DEVICE);
+
+ env->CallVoidMethod(jDeviceTypes, gIntArrayMethods.add, port.ext.device.type);
+ }
+
+ return AUDIO_JAVA_SUCCESS;
+}
+
static int
android_media_AudioSystem_createAudioPatch(JNIEnv *env, jobject clazz,
jobjectArray jPatches, jobjectArray jSources, jobjectArray jSinks)
@@ -3184,6 +3232,8 @@ static const JNINativeMethod gMethods[] =
android_media_AudioSystem_setAudioFlingerBinder),
MAKE_JNI_NATIVE_METHOD("listAudioPorts", "(Ljava/util/ArrayList;[I)I",
android_media_AudioSystem_listAudioPorts),
+ MAKE_JNI_NATIVE_METHOD("getSupportedDeviceTypes", "(ILandroid/util/IntArray;)I",
+ android_media_AudioSystem_getSupportedDeviceTypes),
MAKE_JNI_NATIVE_METHOD("createAudioPatch",
"([Landroid/media/AudioPatch;[Landroid/media/"
"AudioPortConfig;[Landroid/media/AudioPortConfig;)I",
@@ -3325,6 +3375,10 @@ int register_android_media_AudioSystem(JNIEnv *env)
gArrayListMethods.add = GetMethodIDOrDie(env, arrayListClass, "add", "(Ljava/lang/Object;)Z");
gArrayListMethods.toArray = GetMethodIDOrDie(env, arrayListClass, "toArray", "()[Ljava/lang/Object;");
+ jclass intArrayClass = FindClassOrDie(env, "android/util/IntArray");
+ gIntArrayClass = MakeGlobalRefOrDie(env, intArrayClass);
+ gIntArrayMethods.add = GetMethodIDOrDie(env, gIntArrayClass, "add", "(I)V");
+
jclass booleanClass = FindClassOrDie(env, "java/lang/Boolean");
gBooleanClass = MakeGlobalRefOrDie(env, booleanClass);
gBooleanCstor = GetMethodIDOrDie(env, booleanClass, "<init>", "(Z)V");
diff --git a/media/java/android/media/AudioManager.java b/media/java/android/media/AudioManager.java
index 4918289e8b5c..69708ecde281 100644
--- a/media/java/android/media/AudioManager.java
+++ b/media/java/android/media/AudioManager.java
@@ -23,6 +23,7 @@ import static android.media.audio.Flags.autoPublicVolumeApiHardening;
import static android.media.audio.Flags.automaticBtDeviceType;
import static android.media.audio.Flags.FLAG_FOCUS_EXCLUSIVE_WITH_RECORDING;
import static android.media.audio.Flags.FLAG_FOCUS_FREEZE_TEST_API;
+import static android.media.audio.Flags.FLAG_SUPPORTED_DEVICE_TYPES_API;
import static android.media.audiopolicy.Flags.FLAG_ENABLE_FADE_MANAGER_CONFIGURATION;
import android.Manifest;
@@ -80,6 +81,7 @@ import android.os.UserHandle;
import android.provider.Settings;
import android.text.TextUtils;
import android.util.ArrayMap;
+import android.util.IntArray;
import android.util.Log;
import android.util.Pair;
import android.view.KeyEvent;
@@ -100,6 +102,7 @@ import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Objects;
+import java.util.Set;
import java.util.TreeMap;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.Executor;
@@ -7838,6 +7841,51 @@ public class AudioManager {
}
/**
+ * Returns a Set of unique Integers corresponding to audio device type identifiers that can
+ * <i>potentially</i> be connected to the system and meeting the criteria specified in the
+ * <code>direction</code> parameter.
+ * Note that this set contains {@link AudioDeviceInfo} device type identifiers for both devices
+ * currently available <i>and</i> those that can be available if the user connects an audio
+ * peripheral. Examples include TYPE_WIRED_HEADSET if the Android device supports an analog
+ * headset jack or TYPE_USB_DEVICE if the Android device supports a USB host-mode port.
+ * These are generally a superset of device type identifiers associated with the
+ * AudioDeviceInfo objects returned from AudioManager.getDevices().
+ * @param direction The constant specifying whether input or output devices are queried.
+ * @see #GET_DEVICES_OUTPUTS
+ * @see #GET_DEVICES_INPUTS
+ * @return A (possibly zero-length) Set of Integer objects corresponding to the audio
+ * device types of devices supported by the implementation.
+ * @throws IllegalArgumentException If an invalid direction constant is specified.
+ */
+ @FlaggedApi(FLAG_SUPPORTED_DEVICE_TYPES_API)
+ public @NonNull Set<Integer>
+ getSupportedDeviceTypes(int direction) {
+ if (direction != GET_DEVICES_OUTPUTS && direction != GET_DEVICES_INPUTS) {
+ throw new IllegalArgumentException("AudioManager.getSupportedDeviceTypes("
+ + Integer.toHexString(direction) + ") - Invalid.");
+ }
+
+ IntArray internalDeviceTypes = new IntArray();
+ int status = AudioSystem.getSupportedDeviceTypes(direction, internalDeviceTypes);
+ if (status != AudioManager.SUCCESS) {
+ Log.e(TAG, "AudioManager.getSupportedDeviceTypes(" + direction + ") failed. status:"
+ + status);
+ }
+
+ // convert to external (AudioDeviceInfo.getType()) device IDs
+ HashSet<Integer> externalDeviceTypes = new HashSet<Integer>();
+ for (int index = 0; index < internalDeviceTypes.size(); index++) {
+ // Set will eliminate any duplicates which AudioSystem.getSupportedDeviceTypes()
+ // returns
+ externalDeviceTypes.add(
+ AudioDeviceInfo.convertInternalDeviceToDeviceType(
+ internalDeviceTypes.get(index)));
+ }
+
+ return externalDeviceTypes;
+ }
+
+ /**
* Returns an array of {@link AudioDeviceInfo} objects corresponding to the audio devices
* currently connected to the system and meeting the criteria specified in the
* <code>flags</code> parameter.
diff --git a/media/java/android/media/AudioSystem.java b/media/java/android/media/AudioSystem.java
index 0f6cbffef300..f73be35fa130 100644
--- a/media/java/android/media/AudioSystem.java
+++ b/media/java/android/media/AudioSystem.java
@@ -36,6 +36,7 @@ import android.os.IBinder;
import android.os.Parcel;
import android.os.Vibrator;
import android.telephony.TelephonyManager;
+import android.util.IntArray;
import android.util.Log;
import android.util.Pair;
@@ -1947,6 +1948,8 @@ public class AudioSystem
/** @hide */
public static native int listAudioPorts(ArrayList<AudioPort> ports, int[] generation);
/** @hide */
+ public static native int getSupportedDeviceTypes(int flags, IntArray internalDeviceTypes);
+ /** @hide */
public static native int createAudioPatch(AudioPatch[] patch,
AudioPortConfig[] sources, AudioPortConfig[] sinks);
/** @hide */
generated by cgit v1.2.3-59-g8ed1b (git 2.39.0) at 2025-12-27 07:34:05 +0000