Add MediaRecorder.SystemSource.

Add an IntDef named MediaRecorder.SystemSource, which includes all
audio source that is defined in MediaRecorder.AudioSource. It can be
used for preferred device for capture preset APIs.

Test: atest AudioServiceHostTest
Bug: 180395563
Change-Id: If80a2875b64544c1e7e60999bad6dafdba712333

2 files changed, 29 insertions, 5 deletions

diff --git a/media/java/android/media/AudioManager.java b/media/java/android/media/AudioManager.java
index 1cef0922a48e..c40974dcb3dc 100644
--- a/media/java/android/media/AudioManager.java
+++ b/media/java/android/media/AudioManager.java
@@ -1988,7 +1988,7 @@ public class AudioManager {
      */
     @SystemApi
     @RequiresPermission(android.Manifest.permission.MODIFY_AUDIO_ROUTING)
-    public boolean setPreferredDeviceForCapturePreset(int capturePreset,
+    public boolean setPreferredDeviceForCapturePreset(@MediaRecorder.SystemSource int capturePreset,
                                                       @NonNull AudioDeviceAttributes device) {
         return setPreferredDevicesForCapturePreset(capturePreset, Arrays.asList(device));
     }
@@ -2002,7 +2002,8 @@ public class AudioManager {
      */
     @SystemApi
     @RequiresPermission(android.Manifest.permission.MODIFY_AUDIO_ROUTING)
-    public boolean clearPreferredDevicesForCapturePreset(int capturePreset) {
+    public boolean clearPreferredDevicesForCapturePreset(
+            @MediaRecorder.SystemSource int capturePreset) {
         if (!MediaRecorder.isValidAudioSource(capturePreset)) {
             return false;
         }
@@ -2024,7 +2025,8 @@ public class AudioManager {
     @NonNull
     @SystemApi
     @RequiresPermission(android.Manifest.permission.MODIFY_AUDIO_ROUTING)
-    public List<AudioDeviceAttributes> getPreferredDevicesForCapturePreset(int capturePreset) {
+    public List<AudioDeviceAttributes> getPreferredDevicesForCapturePreset(
+            @MediaRecorder.SystemSource int capturePreset) {
         if (!MediaRecorder.isValidAudioSource(capturePreset)) {
             return new ArrayList<AudioDeviceAttributes>();
         }
@@ -2036,7 +2038,8 @@ public class AudioManager {
     }
 
     private boolean setPreferredDevicesForCapturePreset(
-            int capturePreset, @NonNull List<AudioDeviceAttributes> devices) {
+            @MediaRecorder.SystemSource int capturePreset,
+            @NonNull List<AudioDeviceAttributes> devices) {
         Objects.requireNonNull(devices);
         if (!MediaRecorder.isValidAudioSource(capturePreset)) {
             return false;
@@ -2081,7 +2084,8 @@ public class AudioManager {
          * @param devices a list of newly set preferred audio devices
          */
         void onPreferredDevicesForCapturePresetChanged(
-                int capturePreset, @NonNull List<AudioDeviceAttributes> devices);
+                @MediaRecorder.SystemSource int capturePreset,
+                @NonNull List<AudioDeviceAttributes> devices);
     }
 
     /**
diff --git a/media/java/android/media/MediaRecorder.java b/media/java/android/media/MediaRecorder.java
index 49a4cc6239bb..c35a92031ca3 100644
--- a/media/java/android/media/MediaRecorder.java
+++ b/media/java/android/media/MediaRecorder.java
@@ -379,6 +379,26 @@ public class MediaRecorder implements AudioRouting,
     @Retention(RetentionPolicy.SOURCE)
     public @interface Source {}
 
+    /** @hide */
+    @IntDef({
+        AudioSource.DEFAULT,
+        AudioSource.MIC,
+        AudioSource.VOICE_UPLINK,
+        AudioSource.VOICE_DOWNLINK,
+        AudioSource.VOICE_CALL,
+        AudioSource.CAMCORDER,
+        AudioSource.VOICE_RECOGNITION,
+        AudioSource.VOICE_COMMUNICATION,
+        AudioSource.REMOTE_SUBMIX,
+        AudioSource.UNPROCESSED,
+        AudioSource.VOICE_PERFORMANCE,
+        AudioSource.ECHO_REFERENCE,
+        AudioSource.RADIO_TUNER,
+        AudioSource.HOTWORD,
+    })
+    @Retention(RetentionPolicy.SOURCE)
+    public @interface SystemSource {}
+
     // TODO make AudioSource static (API change) and move this method inside the AudioSource class
     /**
      * @hide