Add encoding constant for AAC ER BSAC

PiperOrigin-RevId: 320601157

library/common/src/main/java/com/google/android/exoplayer2/C.java

@@ -177,6 +177,7 @@ public final class C {
     ENCODING_AAC_HE_V2,
     ENCODING_AAC_HE_V2,
     ENCODING_AAC_XHE,
     ENCODING_AAC_XHE,
     ENCODING_AAC_ELD,
     ENCODING_AAC_ELD,
+    ENCODING_AAC_ER_BSAC,
     ENCODING_AC3,
     ENCODING_AC3,
     ENCODING_E_AC3,
     ENCODING_E_AC3,
     ENCODING_E_AC3_JOC,
     ENCODING_E_AC3_JOC,
@@ -232,6 +233,8 @@ public final class C {
   public static final int ENCODING_AAC_XHE = AudioFormat.ENCODING_AAC_XHE;
   public static final int ENCODING_AAC_XHE = AudioFormat.ENCODING_AAC_XHE;
   /** @see AudioFormat#ENCODING_AAC_ELD */
   /** @see AudioFormat#ENCODING_AAC_ELD */
   public static final int ENCODING_AAC_ELD = AudioFormat.ENCODING_AAC_ELD;
   public static final int ENCODING_AAC_ELD = AudioFormat.ENCODING_AAC_ELD;
+  /** AAC Error Resilient Bit-Sliced Arithmetic Coding. */
+  public static final int ENCODING_AAC_ER_BSAC = 0x40000000;
   /** @see AudioFormat#ENCODING_AC3 */
   /** @see AudioFormat#ENCODING_AC3 */
   public static final int ENCODING_AC3 = AudioFormat.ENCODING_AC3;
   public static final int ENCODING_AC3 = AudioFormat.ENCODING_AC3;
   /** @see AudioFormat#ENCODING_E_AC3 */
   /** @see AudioFormat#ENCODING_E_AC3 */

library/common/src/main/java/com/google/android/exoplayer2/audio/AacUtil.java

@@ -309,6 +309,8 @@ public final class AacUtil {
         return C.ENCODING_AAC_XHE;
         return C.ENCODING_AAC_XHE;
       case AUDIO_OBJECT_TYPE_AAC_ELD:
       case AUDIO_OBJECT_TYPE_AAC_ELD:
         return C.ENCODING_AAC_ELD;
         return C.ENCODING_AAC_ELD;
+      case AUDIO_OBJECT_TYPE_AAC_ER_BSAC:
+        return C.ENCODING_AAC_ER_BSAC;
       default:
       default:
         return C.ENCODING_INVALID;
         return C.ENCODING_INVALID;
     }
     }