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Commit 96d8c37e authored by Eric Laurent's avatar Eric Laurent
Browse files

AudioEffect: add contructor for device effect 

Add a @SystemApi constructor to AudioEffect class
allowing to attach an audio effect to an input or output
device.

Bug: 136294538
Test: make
Change-Id: I0cb5cf5f38f95605a8605f3347aaa7e187db4e8a
parent 4d539605

api/system-current.txt

+8 −0
Original line number Diff line number Diff line
@@ -4141,6 +4141,14 @@ package android.media { 














}



























package android.media.audiofx {

























  public class AudioEffect {













    ctor @RequiresPermission("android.permission.MODIFY_DEFAULT_AUDIO_EFFECTS") public AudioEffect(@NonNull java.util.UUID, @NonNull android.media.AudioDeviceAddress);













  }

























}



























package android.media.audiopolicy {





























  public class AudioMix {

































media/java/android/media/audiofx/AudioEffect.java



+45
−3




























Original line number
Diff line number
Diff line








@@ -16,11 +16,18 @@





























package android.media.audiofx;





























import android.annotation.NonNull;













import android.annotation.Nullable;













import android.annotation.RequiresPermission;















import android.annotation.SdkConstant;















import android.annotation.SdkConstant.SdkConstantType;













import android.annotation.SystemApi;















import android.annotation.TestApi;















import android.app.ActivityThread;















import android.compat.annotation.UnsupportedAppUsage;













import android.media.AudioDeviceAddress;













import android.media.AudioDeviceInfo;













import android.media.AudioSystem;















import android.os.Build;















import android.os.Handler;















import android.os.Looper;










@@ -448,12 +455,46 @@ public class AudioEffect {













    public AudioEffect(UUID type, UUID uuid, int priority, int audioSession)















            throws IllegalArgumentException, UnsupportedOperationException,















            RuntimeException {













        this(type, uuid, priority, audioSession, null);













    }



























    /**













     * Constructs an AudioEffect attached to a particular audio device.













     * The device does not have to be attached when the effect is created. The effect will only













     * be applied when the device is actually selected for playback or capture.













     * @param uuid unique identifier of a particular effect implementation.













     * @param device the device the effect must be attached to.













     *













     * @throws java.lang.IllegalArgumentException













     * @throws java.lang.UnsupportedOperationException













     * @throws java.lang.RuntimeException













     * @hide













     */













    @SystemApi













    @RequiresPermission(android.Manifest.permission.MODIFY_DEFAULT_AUDIO_EFFECTS)













    public AudioEffect(@NonNull UUID uuid, @NonNull AudioDeviceAddress device) {













        this(EFFECT_TYPE_NULL, Objects.requireNonNull(uuid), 0, -2, Objects.requireNonNull(device));













    }



























    private AudioEffect(UUID type, UUID uuid, int priority,













            int audioSession, @Nullable AudioDeviceAddress device)













            throws IllegalArgumentException, UnsupportedOperationException,













            RuntimeException {















        int[] id = new int[1];















        Descriptor[] desc = new Descriptor[1];



























        int deviceType = AudioSystem.DEVICE_NONE;













        String deviceAddress = "";













        if (device != null) {













            deviceType = AudioDeviceInfo.convertDeviceTypeToInternalDevice(device.getType());













            deviceAddress = device.getAddress();













        }





























        // native initialization















        int initResult = native_setup(new WeakReference<AudioEffect>(this),













                type.toString(), uuid.toString(), priority, audioSession, id,













                desc, ActivityThread.currentOpPackageName());













                type.toString(), uuid.toString(), priority, audioSession,













                deviceType, deviceAddress,













                id, desc, ActivityThread.currentOpPackageName());















        if (initResult != SUCCESS && initResult != ALREADY_EXISTS) {















            Log.e(TAG, "Error code " + initResult















                    + " when initializing AudioEffect.");










@@ -1293,7 +1334,8 @@ public class AudioEffect {













    private static native final void native_init();































    private native final int native_setup(Object audioeffect_this, String type,













            String uuid, int priority, int audioSession, int[] id, Object[] desc,













            String uuid, int priority, int audioSession,













            int deviceType, String deviceAddress, int[] id, Object[] desc,















            String opPackageName);































    private native final void native_finalize();

































media/jni/audioeffect/android_media_AudioEffect.cpp



+13
−4




























Original line number
Diff line number
Diff line








@@ -268,8 +268,9 @@ android_media_AudioEffect_native_init(JNIEnv *env)





























static jint















android_media_AudioEffect_native_setup(JNIEnv *env, jobject thiz, jobject weak_this,













        jstring type, jstring uuid, jint priority, jint sessionId, jintArray jId,













        jobjectArray javadesc, jstring opPackageName)













        jstring type, jstring uuid, jint priority, jint sessionId,













        jint deviceType, jstring deviceAddress,













        jintArray jId, jobjectArray javadesc, jstring opPackageName)















{















    ALOGV("android_media_AudioEffect_native_setup");















    AudioEffectJniStorage* lpJniStorage = NULL;









@@ -280,6 +281,7 @@ android_media_AudioEffect_native_setup(JNIEnv *env, jobject thiz, jobject weak_t













    const char *uuidStr = NULL;















    effect_descriptor_t desc;















    jobject jdesc;













    AudioDeviceTypeAddr device;































    ScopedUtfChars opPackageNameStr(env, opPackageName);


























@@ -328,6 +330,12 @@ android_media_AudioEffect_native_setup(JNIEnv *env, jobject thiz, jobject weak_t













        goto setup_failure;















    }





























    if (deviceType != AUDIO_DEVICE_NONE) {













        device.mType = deviceType;













        ScopedUtfChars address(env, deviceAddress);













        device.mAddress = address.c_str();













    }





























    // create the native AudioEffect object















    lpAudioEffect = new AudioEffect(typeStr,















                                    String16(opPackageNameStr.c_str()),









@@ -336,7 +344,8 @@ android_media_AudioEffect_native_setup(JNIEnv *env, jobject thiz, jobject weak_t













                                    effectCallback,















                                    &lpJniStorage->mCallbackData,















                                    (audio_session_t) sessionId,













                                    AUDIO_IO_HANDLE_NONE);













                                    AUDIO_IO_HANDLE_NONE,













                                    device);















    if (lpAudioEffect == 0) {















        ALOGE("Error creating AudioEffect");















        goto setup_failure;










@@ -757,7 +766,7 @@ android_media_AudioEffect_native_queryPreProcessings(JNIEnv *env, jclass clazz _













// Dalvik VM type signatures















static const JNINativeMethod gMethods[] = {















    {"native_init",          "()V",      (void *)android_media_AudioEffect_native_init},













    {"native_setup",         "(Ljava/lang/Object;Ljava/lang/String;Ljava/lang/String;II[I[Ljava/lang/Object;Ljava/lang/String;)I",













    {"native_setup",         "(Ljava/lang/Object;Ljava/lang/String;Ljava/lang/String;IIILjava/lang/String;[I[Ljava/lang/Object;Ljava/lang/String;)I",















                                         (void *)android_media_AudioEffect_native_setup},















    {"native_finalize",      "()V",      (void *)android_media_AudioEffect_native_finalize},















    {"native_release",       "()V",      (void *)android_media_AudioEffect_native_release},