Add Dolby TrueHD audio format

Format is not public for now.
Unhide at next API bump.

Bug: 30024357
Change-Id: Ic307214d8ac8b7bb57609bf609366968efafd7cc
diff --git a/core/jni/android_media_AudioFormat.h b/core/jni/android_media_AudioFormat.h
index 6513304..092aaf6 100644
--- a/core/jni/android_media_AudioFormat.h
+++ b/core/jni/android_media_AudioFormat.h
@@ -20,18 +20,20 @@
 #include <system/audio.h>
 
 // keep these values in sync with AudioFormat.java
-#define ENCODING_PCM_16BIT  2
-#define ENCODING_PCM_8BIT   3
-#define ENCODING_PCM_FLOAT  4
-#define ENCODING_AC3        5
-#define ENCODING_E_AC3      6
-#define ENCODING_DTS        7
-#define ENCODING_DTS_HD     8
-#define ENCODING_MP3        9
-#define ENCODING_AAC_LC     10
-#define ENCODING_AAC_HE_V1  11
-#define ENCODING_AAC_HE_V2  12
-#define ENCODING_IEC61937   13
+#define ENCODING_PCM_16BIT      2
+#define ENCODING_PCM_8BIT       3
+#define ENCODING_PCM_FLOAT      4
+#define ENCODING_AC3            5
+#define ENCODING_E_AC3          6
+#define ENCODING_DTS            7
+#define ENCODING_DTS_HD         8
+#define ENCODING_MP3            9
+#define ENCODING_AAC_LC         10
+#define ENCODING_AAC_HE_V1      11
+#define ENCODING_AAC_HE_V2      12
+#define ENCODING_IEC61937       13
+#define ENCODING_DOLBY_TRUEHD   14
+
 #define ENCODING_INVALID    0
 #define ENCODING_DEFAULT    1
 
@@ -65,6 +67,8 @@
         return AUDIO_FORMAT_AAC_HE_V1;
     case ENCODING_AAC_HE_V2:
         return AUDIO_FORMAT_AAC_HE_V2;
+    case ENCODING_DOLBY_TRUEHD:
+        return AUDIO_FORMAT_DOLBY_TRUEHD;
     case ENCODING_IEC61937:
         return AUDIO_FORMAT_IEC61937;
     case ENCODING_DEFAULT:
@@ -108,6 +112,8 @@
         return ENCODING_AAC_HE_V2;
     case AUDIO_FORMAT_IEC61937:
         return ENCODING_IEC61937;
+    case AUDIO_FORMAT_DOLBY_TRUEHD:
+        return ENCODING_DOLBY_TRUEHD;
     case AUDIO_FORMAT_DEFAULT:
         return ENCODING_DEFAULT;
     default:
diff --git a/media/java/android/media/AudioFormat.java b/media/java/android/media/AudioFormat.java
index a4484e7..7d5939c 100644
--- a/media/java/android/media/AudioFormat.java
+++ b/media/java/android/media/AudioFormat.java
@@ -263,6 +263,10 @@
      * on some platforms when converting to short internally.
      */
     public static final int ENCODING_IEC61937 = 13;
+    /** Audio data format: DOLBY TRUEHD compressed
+     * @hide
+     **/
+    public static final int ENCODING_DOLBY_TRUEHD = 14;
 
     /** Invalid audio channel configuration */
     /** @deprecated Use {@link #CHANNEL_INVALID} instead.  */