Remove canAcquireSession from DrmSessionManager

It's been replaced by getExoMediaCryptoType().

PiperOrigin-RevId: 323382332

library/core/src/main/java/com/google/android/exoplayer2/drm/DefaultDrmSessionManager.java

@@ -466,38 +466,6 @@ public class DefaultDrmSessionManager implements DrmSessionManager {
   }
 
   @Override
-  public boolean canAcquireSession(DrmInitData drmInitData) {
-    if (offlineLicenseKeySetId != null) {
-      // An offline license can be restored so a session can always be acquired.
-      return true;
-    }
-    List<SchemeData> schemeDatas = getSchemeDatas(drmInitData, uuid, true);
-    if (schemeDatas.isEmpty()) {
-      if (drmInitData.schemeDataCount == 1 && drmInitData.get(0).matches(C.COMMON_PSSH_UUID)) {
-        // Assume scheme specific data will be added before the session is opened.
-        Log.w(
-            TAG, "DrmInitData only contains common PSSH SchemeData. Assuming support for: " + uuid);
-      } else {
-        // No data for this manager's scheme.
-        return false;
-      }
-    }
-    String schemeType = drmInitData.schemeType;
-    if (schemeType == null || C.CENC_TYPE_cenc.equals(schemeType)) {
-      // If there is no scheme information, assume patternless AES-CTR.
-      return true;
-    } else if (C.CENC_TYPE_cbc1.equals(schemeType)
-        || C.CENC_TYPE_cbcs.equals(schemeType)
-        || C.CENC_TYPE_cens.equals(schemeType)) {
-      // API support for AES-CBC and pattern encryption was added in API 24. However, the
-      // implementation was not stable until API 25.
-      return Util.SDK_INT >= 25;
-    }
-    // Unknown schemes, assume one of them is supported.
-    return true;
-  }
-
-  @Override
   @Nullable
   public DrmSession acquirePlaceholderSession(Looper playbackLooper, int trackType) {
     initPlaybackLooper(playbackLooper);
@@ -593,6 +561,37 @@ public class DefaultDrmSessionManager implements DrmSessionManager {
 
   // Internal methods.
 
+  private boolean canAcquireSession(DrmInitData drmInitData) {
+    if (offlineLicenseKeySetId != null) {
+      // An offline license can be restored so a session can always be acquired.
+      return true;
+    }
+    List<SchemeData> schemeDatas = getSchemeDatas(drmInitData, uuid, true);
+    if (schemeDatas.isEmpty()) {
+      if (drmInitData.schemeDataCount == 1 && drmInitData.get(0).matches(C.COMMON_PSSH_UUID)) {
+        // Assume scheme specific data will be added before the session is opened.
+        Log.w(
+            TAG, "DrmInitData only contains common PSSH SchemeData. Assuming support for: " + uuid);
+      } else {
+        // No data for this manager's scheme.
+        return false;
+      }
+    }
+    String schemeType = drmInitData.schemeType;
+    if (schemeType == null || C.CENC_TYPE_cenc.equals(schemeType)) {
+      // If there is no scheme information, assume patternless AES-CTR.
+      return true;
+    } else if (C.CENC_TYPE_cbc1.equals(schemeType)
+        || C.CENC_TYPE_cbcs.equals(schemeType)
+        || C.CENC_TYPE_cens.equals(schemeType)) {
+      // API support for AES-CBC and pattern encryption was added in API 24. However, the
+      // implementation was not stable until API 25.
+      return Util.SDK_INT >= 25;
+    }
+    // Unknown schemes, assume one of them is supported.
+    return true;
+  }
+
   private void initPlaybackLooper(Looper playbackLooper) {
     if (this.playbackLooper == null) {
       this.playbackLooper = playbackLooper;

library/core/src/main/java/com/google/android/exoplayer2/drm/DrmSessionManager.java

@@ -33,11 +33,6 @@ public interface DrmSessionManager {
       new DrmSessionManager() {
 
         @Override
-        public boolean canAcquireSession(DrmInitData drmInitData) {
-          return false;
-        }
-
-        @Override
         public DrmSession acquireSession(
             Looper playbackLooper,
             @Nullable DrmSessionEventListener.EventDispatcher eventDispatcher,
@@ -71,16 +66,6 @@ public interface DrmSessionManager {
   }
 
   /**
-   * Returns whether the manager is capable of acquiring a session for the given
-   * {@link DrmInitData}.
-   *
-   * @param drmInitData DRM initialization data.
-   * @return Whether the manager is capable of acquiring a session for the given
-   *     {@link DrmInitData}.
-   */
-  boolean canAcquireSession(DrmInitData drmInitData);
-
-  /**
    * Returns a {@link DrmSession} that does not execute key requests, with an incremented reference
    * count. When the caller no longer needs to use the instance, it must call {@link
    * DrmSession#release(DrmSessionEventListener.EventDispatcher)} to decrement the reference count.