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Return Immutable List for getAllSurroundEncodingsMaybeSupported()

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Cedric T 2023-05-08 10:02:09 +08:00 committed by Tianyi Feng
parent 689451b0c6
commit b069fb1283
1 changed files with 4 additions and 2 deletions
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6
libraries/exoplayer/src/main/java/androidx/media3/exoplayer/audio/AudioCapabilities.java
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@ -44,6 +44,8 @@ import com.google.common.collect.ImmutableSet;
import com.google.common.primitives.Ints; import com.google.common.primitives.Ints;
import java.util.ArrayList; import java.util.ArrayList;
import java.util.Arrays; import java.util.Arrays;
import java.util.Collections;
import java.util.List;
/** Represents the set of audio formats that a device is capable of playing. */ /** Represents the set of audio formats that a device is capable of playing. */
@UnstableApi @UnstableApi
@ -402,7 +404,7 @@ public final class AudioCapabilities {
/** /**
* Returns an array list of surround encodings that maybe supported. * Returns an array list of surround encodings that maybe supported.
*/ */
private static ArrayList<Integer> getAllSurroundEncodingsMaybeSupported() { private static List<Integer> getAllSurroundEncodingsMaybeSupported() {
ArrayList<Integer> encodings = new ArrayList<>(); ArrayList<Integer> encodings = new ArrayList<>();
for (int encoding : ALL_SURROUND_ENCODINGS_AND_MAX_CHANNELS.keySet()) { for (int encoding : ALL_SURROUND_ENCODINGS_AND_MAX_CHANNELS.keySet()) {
// AudioFormat.ENCODING_DTS_UHD_P2 is supported from API 34. // AudioFormat.ENCODING_DTS_UHD_P2 is supported from API 34.
@ -411,7 +413,7 @@ public final class AudioCapabilities {
} }
encodings.add(encoding); encodings.add(encoding);
} }
return encodings; return Collections.unmodifiableList(encodings);
} }
} }
} }