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98 changes: 45 additions & 53 deletions
98
libraries/common/src/main/java/androidx/media3/common/Label.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,94 +1,86 @@ | ||
| /* | ||
| * Copyright 2024 The Android Open Source Project | ||
| * | ||
| * Licensed under the Apache License, Version 2.0 (the "License"); | ||
| * you may not use this file except in compliance with the License. | ||
| * You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| */ | ||
| package androidx.media3.common; | ||
|
|
||
| import static androidx.media3.common.util.Assertions.checkNotNull; | ||
|
|
||
| import android.os.Bundle; | ||
| import android.os.Parcel; | ||
| import android.os.Parcelable; | ||
| import androidx.annotation.NonNull; | ||
| import androidx.annotation.Nullable; | ||
| import androidx.media3.common.util.UnstableApi; | ||
| import androidx.media3.common.util.Util; | ||
|
|
||
| /** A Label, as defined by ISO 23009-1, 4th edition, 5.3.7.2. */ | ||
| /** A label for a {@link Format}. */ | ||
| @UnstableApi | ||
| public class Label implements Parcelable, Bundleable { | ||
| /** Declares the language code(s) for this Label. */ | ||
| @Nullable public final String lang; | ||
| public class Label { | ||
| /** | ||
| * The language of this label, as an IETF BCP 47 conformant tag, or null if unknown or not | ||
| * applicable. | ||
| */ | ||
| @Nullable public final String language; | ||
|
|
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| /** The value for this Label. */ | ||
| /** The value for this label. */ | ||
| public final String value; | ||
|
|
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| /** | ||
| * @param lang The lang code. | ||
| * @param value The value. | ||
| * Creates a label. | ||
| * | ||
| * @param language The language of this label, as an IETF BCP 47 conformant tag, or null if | ||
| * unknown or not applicable. | ||
| * @param value The label value. | ||
| */ | ||
| public Label(@Nullable String lang, String value) { | ||
| this.lang = lang; | ||
| public Label(@Nullable String language, String value) { | ||
| this.language = Util.normalizeLanguageCode(language); | ||
| this.value = value; | ||
| } | ||
|
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| /* package */ Label(Parcel in) { | ||
| lang = in.readString(); | ||
| value = in.readString(); | ||
| } | ||
|
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| @Override | ||
| public boolean equals(@Nullable Object o) { | ||
| if (this == o) return true; | ||
| if (o == null || getClass() != o.getClass()) return false; | ||
| if (this == o) { | ||
| return true; | ||
| } | ||
| if (o == null || getClass() != o.getClass()) { | ||
| return false; | ||
| } | ||
| Label label = (Label) o; | ||
| return Util.areEqual(lang, label.lang) && Util.areEqual(value, label.value); | ||
| return Util.areEqual(language, label.language) && Util.areEqual(value, label.value); | ||
| } | ||
|
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| @Override | ||
| public int hashCode() { | ||
| int result = value.hashCode(); | ||
| result = 31 * result + (lang != null ? lang.hashCode() : 0); | ||
| result = 31 * result + (language != null ? language.hashCode() : 0); | ||
| return result; | ||
| } | ||
|
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| @Override | ||
| public int describeContents() { | ||
| return 0; | ||
| } | ||
|
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| @Override | ||
| public void writeToParcel(@NonNull Parcel dest, int flags) { | ||
| dest.writeString(lang); | ||
| dest.writeString(value); | ||
| } | ||
|
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| public static final Parcelable.Creator<Label> CREATOR = | ||
| new Parcelable.Creator<Label>() { | ||
|
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| @Override | ||
| public Label createFromParcel(Parcel in) { | ||
| return new Label(in); | ||
| } | ||
|
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| @Override | ||
| public Label[] newArray(int size) { | ||
| return new Label[size]; | ||
| } | ||
| }; | ||
|
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| private static final String FIELD_LANG_INDEX = Util.intToStringMaxRadix(0); | ||
| private static final String FIELD_LANGUAGE_INDEX = Util.intToStringMaxRadix(0); | ||
| private static final String FIELD_VALUE_INDEX = Util.intToStringMaxRadix(1); | ||
|
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| @Override | ||
| /** Serializes this instance to a {@link Bundle}. */ | ||
| public Bundle toBundle() { | ||
| Bundle bundle = new Bundle(); | ||
| bundle.putString(FIELD_LANG_INDEX, lang); | ||
| if (language != null) { | ||
| bundle.putString(FIELD_LANGUAGE_INDEX, language); | ||
| } | ||
| bundle.putString(FIELD_VALUE_INDEX, value); | ||
| return bundle; | ||
| } | ||
|
|
||
| /** | ||
| * Constructs an instance of {@link Label} from a {@link Bundle} produced by {@link #toBundle()}. | ||
| */ | ||
| /** Deserializes an instance from a {@link Bundle} produced by {@link #toBundle()}. */ | ||
| public static Label fromBundle(Bundle bundle) { | ||
| return new Label( | ||
| bundle.getString(FIELD_LANG_INDEX), checkNotNull(bundle.getString(FIELD_VALUE_INDEX))); | ||
| bundle.getString(FIELD_LANGUAGE_INDEX), checkNotNull(bundle.getString(FIELD_VALUE_INDEX))); | ||
| } | ||
| } |
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