tree/library/core/src/main/java/com/google/android/exoplayer2/trackselection/TrackSelectionParameters.java - platform/external/exoplayer - Git at Google

 /*
  * Copyright (C) 2019 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 com.google.android.exoplayer2.trackselection;

 import android.content.Context;
 import android.os.Looper;
 import android.os.Parcel;
 import android.os.Parcelable;
 import android.text.TextUtils;
 import android.view.accessibility.CaptioningManager;
 import androidx.annotation.Nullable;
 import androidx.annotation.RequiresApi;
 import com.google.android.exoplayer2.C;
 import com.google.android.exoplayer2.util.Util;
 import java.util.Locale;

 /** Constraint parameters for track selection. */
 public class TrackSelectionParameters implements Parcelable {

   /**
    * A builder for {@link TrackSelectionParameters}. See the {@link TrackSelectionParameters}
    * documentation for explanations of the parameters that can be configured using this builder.
    */
   public static class Builder {

     @Nullable /* package */ String preferredAudioLanguage;
     @Nullable /* package */ String preferredTextLanguage;
     @C.RoleFlags /* package */ int preferredTextRoleFlags;
     /* package */ boolean selectUndeterminedTextLanguage;
     @C.SelectionFlags /* package */ int disabledTextTrackSelectionFlags;

     /**
      * Creates a builder with default initial values.
      *
      * @param context Any context.
      */
     @SuppressWarnings({"deprecation", "nullness:method.invocation.invalid"})
     public Builder(Context context) {
       this();
       setPreferredTextLanguageAndRoleFlagsToCaptioningManagerSettings(context);
     }

     /**
      * @deprecated {@link Context} constraints will not be set when using this constructor. Use
      *     {@link #Builder(Context)} instead.
      */
     @Deprecated
     public Builder() {
       preferredAudioLanguage = null;
       preferredTextLanguage = null;
       preferredTextRoleFlags = 0;
       selectUndeterminedTextLanguage = false;
       disabledTextTrackSelectionFlags = 0;
     }

     /**
      * @param initialValues The {@link TrackSelectionParameters} from which the initial values of
      *     the builder are obtained.
      */
     /* package */ Builder(TrackSelectionParameters initialValues) {
       preferredAudioLanguage = initialValues.preferredAudioLanguage;
       preferredTextLanguage = initialValues.preferredTextLanguage;
       preferredTextRoleFlags = initialValues.preferredTextRoleFlags;
       selectUndeterminedTextLanguage = initialValues.selectUndeterminedTextLanguage;
       disabledTextTrackSelectionFlags = initialValues.disabledTextTrackSelectionFlags;
     }

     /**
      * Sets the preferred language for audio and forced text tracks.
      *
      * @param preferredAudioLanguage Preferred audio language as an IETF BCP 47 conformant tag, or
      *     {@code null} to select the default track, or the first track if there's no default.
      * @return This builder.
      */
     public Builder setPreferredAudioLanguage(@Nullable String preferredAudioLanguage) {
       this.preferredAudioLanguage = preferredAudioLanguage;
       return this;
     }

     /**
      * Sets the preferred language and role flags for text tracks based on the accessibility
      * settings of {@link CaptioningManager}.
      *
      * <p>Does nothing for API levels &lt; 19 or when the {@link CaptioningManager} is disabled.
      *
      * @param context A {@link Context}.
      * @return This builder.
      */
     public Builder setPreferredTextLanguageAndRoleFlagsToCaptioningManagerSettings(
         Context context) {
       if (Util.SDK_INT >= 19) {
         setPreferredTextLanguageAndRoleFlagsToCaptioningManagerSettingsV19(context);
       }
       return this;
     }

     /**
      * Sets the preferred language for text tracks.
      *
      * @param preferredTextLanguage Preferred text language as an IETF BCP 47 conformant tag, or
      *     {@code null} to select the default track if there is one, or no track otherwise.
      * @return This builder.
      */
     public Builder setPreferredTextLanguage(@Nullable String preferredTextLanguage) {
       this.preferredTextLanguage = preferredTextLanguage;
       return this;
     }

     /**
      * Sets the preferred {@link C.RoleFlags} for text tracks.
      *
      * @param preferredTextRoleFlags Preferred text role flags.
      * @return This builder.
      */
     public Builder setPreferredTextRoleFlags(@C.RoleFlags int preferredTextRoleFlags) {
       this.preferredTextRoleFlags = preferredTextRoleFlags;
       return this;
     }

     /**
      * Sets whether a text track with undetermined language should be selected if no track with
      * {@link #setPreferredTextLanguage(String)} is available, or if the preferred language is
      * unset.
      *
      * @param selectUndeterminedTextLanguage Whether a text track with undetermined language should
      *     be selected if no preferred language track is available.
      * @return This builder.
      */
     public Builder setSelectUndeterminedTextLanguage(boolean selectUndeterminedTextLanguage) {
       this.selectUndeterminedTextLanguage = selectUndeterminedTextLanguage;
       return this;
     }

     /**
      * Sets a bitmask of selection flags that are disabled for text track selections.
      *
      * @param disabledTextTrackSelectionFlags A bitmask of {@link C.SelectionFlags} that are
      *     disabled for text track selections.
      * @return This builder.
      */
     public Builder setDisabledTextTrackSelectionFlags(
         @C.SelectionFlags int disabledTextTrackSelectionFlags) {
       this.disabledTextTrackSelectionFlags = disabledTextTrackSelectionFlags;
       return this;
     }

     /** Builds a {@link TrackSelectionParameters} instance with the selected values. */
     public TrackSelectionParameters build() {
       return new TrackSelectionParameters(
           // Audio
           preferredAudioLanguage,
           // Text
           preferredTextLanguage,
           preferredTextRoleFlags,
           selectUndeterminedTextLanguage,
           disabledTextTrackSelectionFlags);
     }

     @RequiresApi(19)
     private void setPreferredTextLanguageAndRoleFlagsToCaptioningManagerSettingsV19(
         Context context) {
       if (Util.SDK_INT < 23 && Looper.myLooper() == null) {
         // Android platform bug (pre-Marshmallow) that causes RuntimeExceptions when
         // CaptioningService is instantiated from a non-Looper thread. See [internal: b/143779904].
         return;
       }
       CaptioningManager captioningManager =
           (CaptioningManager) context.getSystemService(Context.CAPTIONING_SERVICE);
       if (captioningManager == null || !captioningManager.isEnabled()) {
         return;
       }
       preferredTextRoleFlags = C.ROLE_FLAG_CAPTION | C.ROLE_FLAG_DESCRIBES_MUSIC_AND_SOUND;
       Locale preferredLocale = captioningManager.getLocale();
       if (preferredLocale != null) {
         preferredTextLanguage = Util.getLocaleLanguageTag(preferredLocale);
       }
     }
   }

   /**
    * An instance with default values, except those obtained from the {@link Context}.
    *
    * <p>If possible, use {@link #getDefaults(Context)} instead.
    *
    * <p>This instance will not have the following settings:
    *
    * <ul>
    *   <li>{@link Builder#setPreferredTextLanguageAndRoleFlagsToCaptioningManagerSettings(Context)
    *       Preferred text language and role flags} configured to the accessibility settings of
    *       {@link CaptioningManager}.
    * </ul>
    */
   @SuppressWarnings("deprecation")
   public static final TrackSelectionParameters DEFAULT_WITHOUT_CONTEXT = new Builder().build();

   /**
    * @deprecated This instance is not configured using {@link Context} constraints. Use {@link
    *     #getDefaults(Context)} instead.
    */
   @Deprecated public static final TrackSelectionParameters DEFAULT = DEFAULT_WITHOUT_CONTEXT;

   /** Returns an instance configured with default values. */
   public static TrackSelectionParameters getDefaults(Context context) {
     return new Builder(context).build();
   }

   /**
    * The preferred language for audio and forced text tracks as an IETF BCP 47 conformant tag.
    * {@code null} selects the default track, or the first track if there's no default. The default
    * value is {@code null}.
    */
   @Nullable public final String preferredAudioLanguage;
   /**
    * The preferred language for text tracks as an IETF BCP 47 conformant tag. {@code null} selects
    * the default track if there is one, or no track otherwise. The default value is {@code null}, or
    * the language of the accessibility {@link CaptioningManager} if enabled.
    */
   @Nullable public final String preferredTextLanguage;
   /**
    * The preferred {@link C.RoleFlags} for text tracks. {@code 0} selects the default track if there
    * is one, or no track otherwise. The default value is {@code 0}, or {@link C#ROLE_FLAG_SUBTITLE}
    * | {@link C#ROLE_FLAG_DESCRIBES_MUSIC_AND_SOUND} if the accessibility {@link CaptioningManager}
    * is enabled.
    */
   @C.RoleFlags public final int preferredTextRoleFlags;
   /**
    * Whether a text track with undetermined language should be selected if no track with {@link
    * #preferredTextLanguage} is available, or if {@link #preferredTextLanguage} is unset. The
    * default value is {@code false}.
    */
   public final boolean selectUndeterminedTextLanguage;
   /**
    * Bitmask of selection flags that are disabled for text track selections. See {@link
    * C.SelectionFlags}. The default value is {@code 0} (i.e. no flags).
    */
   @C.SelectionFlags public final int disabledTextTrackSelectionFlags;

   /* package */ TrackSelectionParameters(
       @Nullable String preferredAudioLanguage,
       @Nullable String preferredTextLanguage,
       @C.RoleFlags int preferredTextRoleFlags,
       boolean selectUndeterminedTextLanguage,
       @C.SelectionFlags int disabledTextTrackSelectionFlags) {
     // Audio
     this.preferredAudioLanguage = Util.normalizeLanguageCode(preferredAudioLanguage);
     // Text
     this.preferredTextLanguage = Util.normalizeLanguageCode(preferredTextLanguage);
     this.preferredTextRoleFlags = preferredTextRoleFlags;
     this.selectUndeterminedTextLanguage = selectUndeterminedTextLanguage;
     this.disabledTextTrackSelectionFlags = disabledTextTrackSelectionFlags;
   }

   /* package */ TrackSelectionParameters(Parcel in) {
     this.preferredAudioLanguage = in.readString();
     this.preferredTextLanguage = in.readString();
     this.preferredTextRoleFlags = in.readInt();
     this.selectUndeterminedTextLanguage = Util.readBoolean(in);
     this.disabledTextTrackSelectionFlags = in.readInt();
   }

   /** Creates a new {@link Builder}, copying the initial values from this instance. */
   public Builder buildUpon() {
     return new Builder(this);
   }

   @Override
   @SuppressWarnings("EqualsGetClass")
   public boolean equals(@Nullable Object obj) {
     if (this == obj) {
       return true;
     }
     if (obj == null || getClass() != obj.getClass()) {
       return false;
     }
     TrackSelectionParameters other = (TrackSelectionParameters) obj;
     return TextUtils.equals(preferredAudioLanguage, other.preferredAudioLanguage)
         && TextUtils.equals(preferredTextLanguage, other.preferredTextLanguage)
         && preferredTextRoleFlags == other.preferredTextRoleFlags
         && selectUndeterminedTextLanguage == other.selectUndeterminedTextLanguage
         && disabledTextTrackSelectionFlags == other.disabledTextTrackSelectionFlags;
   }

   @Override
   public int hashCode() {
     int result = 1;
     result = 31 * result + (preferredAudioLanguage == null ? 0 : preferredAudioLanguage.hashCode());
     result = 31 * result + (preferredTextLanguage == null ? 0 : preferredTextLanguage.hashCode());
     result = 31 * result + preferredTextRoleFlags;
     result = 31 * result + (selectUndeterminedTextLanguage ? 1 : 0);
     result = 31 * result + disabledTextTrackSelectionFlags;
     return result;
   }

   // Parcelable implementation.

   @Override
   public int describeContents() {
     return 0;
   }

   @Override
   public void writeToParcel(Parcel dest, int flags) {
     dest.writeString(preferredAudioLanguage);
     dest.writeString(preferredTextLanguage);
     dest.writeInt(preferredTextRoleFlags);
     Util.writeBoolean(dest, selectUndeterminedTextLanguage);
     dest.writeInt(disabledTextTrackSelectionFlags);
   }

   public static final Creator<TrackSelectionParameters> CREATOR =
       new Creator<TrackSelectionParameters>() {

         @Override
         public TrackSelectionParameters createFromParcel(Parcel in) {
           return new TrackSelectionParameters(in);
         }

         @Override
         public TrackSelectionParameters[] newArray(int size) {
           return new TrackSelectionParameters[size];
         }
       };
 }
	/*
	* Copyright (C) 2019 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 com.google.android.exoplayer2.trackselection;

	import android.content.Context;
	import android.os.Looper;
	import android.os.Parcel;
	import android.os.Parcelable;
	import android.text.TextUtils;
	import android.view.accessibility.CaptioningManager;
	import androidx.annotation.Nullable;
	import androidx.annotation.RequiresApi;
	import com.google.android.exoplayer2.C;
	import com.google.android.exoplayer2.util.Util;
	import java.util.Locale;

	/** Constraint parameters for track selection. */
	public class TrackSelectionParameters implements Parcelable {

	/**
	* A builder for {@link TrackSelectionParameters}. See the {@link TrackSelectionParameters}
	* documentation for explanations of the parameters that can be configured using this builder.
	*/
	public static class Builder {

	@Nullable /* package */ String preferredAudioLanguage;
	@Nullable /* package */ String preferredTextLanguage;
	@C.RoleFlags /* package */ int preferredTextRoleFlags;
	/* package */ boolean selectUndeterminedTextLanguage;
	@C.SelectionFlags /* package */ int disabledTextTrackSelectionFlags;

	/**
	* Creates a builder with default initial values.
	*
	* @param context Any context.
	*/
	@SuppressWarnings({"deprecation", "nullness:method.invocation.invalid"})
	public Builder(Context context) {
	this();
	setPreferredTextLanguageAndRoleFlagsToCaptioningManagerSettings(context);
	}

	/**
	* @deprecated {@link Context} constraints will not be set when using this constructor. Use
	* {@link #Builder(Context)} instead.
	*/
	@Deprecated
	public Builder() {
	preferredAudioLanguage = null;
	preferredTextLanguage = null;
	preferredTextRoleFlags = 0;
	selectUndeterminedTextLanguage = false;
	disabledTextTrackSelectionFlags = 0;
	}

	/**
	* @param initialValues The {@link TrackSelectionParameters} from which the initial values of
	* the builder are obtained.
	*/
	/* package */ Builder(TrackSelectionParameters initialValues) {
	preferredAudioLanguage = initialValues.preferredAudioLanguage;
	preferredTextLanguage = initialValues.preferredTextLanguage;
	preferredTextRoleFlags = initialValues.preferredTextRoleFlags;
	selectUndeterminedTextLanguage = initialValues.selectUndeterminedTextLanguage;
	disabledTextTrackSelectionFlags = initialValues.disabledTextTrackSelectionFlags;
	}

	/**
	* Sets the preferred language for audio and forced text tracks.
	*
	* @param preferredAudioLanguage Preferred audio language as an IETF BCP 47 conformant tag, or
	* {@code null} to select the default track, or the first track if there's no default.
	* @return This builder.
	*/
	public Builder setPreferredAudioLanguage(@Nullable String preferredAudioLanguage) {
	this.preferredAudioLanguage = preferredAudioLanguage;
	return this;
	}

	/**
	* Sets the preferred language and role flags for text tracks based on the accessibility
	* settings of {@link CaptioningManager}.
	*
	* <p>Does nothing for API levels < 19 or when the {@link CaptioningManager} is disabled.
	*
	* @param context A {@link Context}.
	* @return This builder.
	*/
	public Builder setPreferredTextLanguageAndRoleFlagsToCaptioningManagerSettings(
	Context context) {
	if (Util.SDK_INT >= 19) {
	setPreferredTextLanguageAndRoleFlagsToCaptioningManagerSettingsV19(context);
	}
	return this;
	}

	/**
	* Sets the preferred language for text tracks.
	*
	* @param preferredTextLanguage Preferred text language as an IETF BCP 47 conformant tag, or
	* {@code null} to select the default track if there is one, or no track otherwise.
	* @return This builder.
	*/
	public Builder setPreferredTextLanguage(@Nullable String preferredTextLanguage) {
	this.preferredTextLanguage = preferredTextLanguage;
	return this;
	}

	/**
	* Sets the preferred {@link C.RoleFlags} for text tracks.
	*
	* @param preferredTextRoleFlags Preferred text role flags.
	* @return This builder.
	*/
	public Builder setPreferredTextRoleFlags(@C.RoleFlags int preferredTextRoleFlags) {
	this.preferredTextRoleFlags = preferredTextRoleFlags;
	return this;
	}

	/**
	* Sets whether a text track with undetermined language should be selected if no track with
	* {@link #setPreferredTextLanguage(String)} is available, or if the preferred language is
	* unset.
	*
	* @param selectUndeterminedTextLanguage Whether a text track with undetermined language should
	* be selected if no preferred language track is available.
	* @return This builder.
	*/
	public Builder setSelectUndeterminedTextLanguage(boolean selectUndeterminedTextLanguage) {
	this.selectUndeterminedTextLanguage = selectUndeterminedTextLanguage;
	return this;
	}

	/**
	* Sets a bitmask of selection flags that are disabled for text track selections.
	*
	* @param disabledTextTrackSelectionFlags A bitmask of {@link C.SelectionFlags} that are
	* disabled for text track selections.
	* @return This builder.
	*/
	public Builder setDisabledTextTrackSelectionFlags(
	@C.SelectionFlags int disabledTextTrackSelectionFlags) {
	this.disabledTextTrackSelectionFlags = disabledTextTrackSelectionFlags;
	return this;
	}

	/** Builds a {@link TrackSelectionParameters} instance with the selected values. */
	public TrackSelectionParameters build() {
	return new TrackSelectionParameters(
	// Audio
	preferredAudioLanguage,
	// Text
	preferredTextLanguage,
	preferredTextRoleFlags,
	selectUndeterminedTextLanguage,
	disabledTextTrackSelectionFlags);
	}

	@RequiresApi(19)
	private void setPreferredTextLanguageAndRoleFlagsToCaptioningManagerSettingsV19(
	Context context) {
	if (Util.SDK_INT < 23 && Looper.myLooper() == null) {
	// Android platform bug (pre-Marshmallow) that causes RuntimeExceptions when
	// CaptioningService is instantiated from a non-Looper thread. See [internal: b/143779904].
	return;
	}
	CaptioningManager captioningManager =
	(CaptioningManager) context.getSystemService(Context.CAPTIONING_SERVICE);
	if (captioningManager == null \|\| !captioningManager.isEnabled()) {
	return;
	}
	preferredTextRoleFlags = C.ROLE_FLAG_CAPTION \| C.ROLE_FLAG_DESCRIBES_MUSIC_AND_SOUND;
	Locale preferredLocale = captioningManager.getLocale();
	if (preferredLocale != null) {
	preferredTextLanguage = Util.getLocaleLanguageTag(preferredLocale);
	}
	}
	}

	/**
	* An instance with default values, except those obtained from the {@link Context}.
	*
	* <p>If possible, use {@link #getDefaults(Context)} instead.
	*
	* <p>This instance will not have the following settings:
	*
	* <ul>
	* <li>{@link Builder#setPreferredTextLanguageAndRoleFlagsToCaptioningManagerSettings(Context)
	* Preferred text language and role flags} configured to the accessibility settings of
	* {@link CaptioningManager}.
	* </ul>
	*/
	@SuppressWarnings("deprecation")
	public static final TrackSelectionParameters DEFAULT_WITHOUT_CONTEXT = new Builder().build();

	/**
	* @deprecated This instance is not configured using {@link Context} constraints. Use {@link
	* #getDefaults(Context)} instead.
	*/
	@Deprecated public static final TrackSelectionParameters DEFAULT = DEFAULT_WITHOUT_CONTEXT;

	/** Returns an instance configured with default values. */
	public static TrackSelectionParameters getDefaults(Context context) {
	return new Builder(context).build();
	}

	/**
	* The preferred language for audio and forced text tracks as an IETF BCP 47 conformant tag.
	* {@code null} selects the default track, or the first track if there's no default. The default
	* value is {@code null}.
	*/
	@Nullable public final String preferredAudioLanguage;
	/**
	* The preferred language for text tracks as an IETF BCP 47 conformant tag. {@code null} selects
	* the default track if there is one, or no track otherwise. The default value is {@code null}, or
	* the language of the accessibility {@link CaptioningManager} if enabled.
	*/
	@Nullable public final String preferredTextLanguage;
	/**
	* The preferred {@link C.RoleFlags} for text tracks. {@code 0} selects the default track if there
	* is one, or no track otherwise. The default value is {@code 0}, or {@link C#ROLE_FLAG_SUBTITLE}
	* \| {@link C#ROLE_FLAG_DESCRIBES_MUSIC_AND_SOUND} if the accessibility {@link CaptioningManager}
	* is enabled.
	*/
	@C.RoleFlags public final int preferredTextRoleFlags;
	/**
	* Whether a text track with undetermined language should be selected if no track with {@link
	* #preferredTextLanguage} is available, or if {@link #preferredTextLanguage} is unset. The
	* default value is {@code false}.
	*/
	public final boolean selectUndeterminedTextLanguage;
	/**
	* Bitmask of selection flags that are disabled for text track selections. See {@link
	* C.SelectionFlags}. The default value is {@code 0} (i.e. no flags).
	*/
	@C.SelectionFlags public final int disabledTextTrackSelectionFlags;

	/* package */ TrackSelectionParameters(
	@Nullable String preferredAudioLanguage,
	@Nullable String preferredTextLanguage,
	@C.RoleFlags int preferredTextRoleFlags,
	boolean selectUndeterminedTextLanguage,
	@C.SelectionFlags int disabledTextTrackSelectionFlags) {
	// Audio
	this.preferredAudioLanguage = Util.normalizeLanguageCode(preferredAudioLanguage);
	// Text
	this.preferredTextLanguage = Util.normalizeLanguageCode(preferredTextLanguage);
	this.preferredTextRoleFlags = preferredTextRoleFlags;
	this.selectUndeterminedTextLanguage = selectUndeterminedTextLanguage;
	this.disabledTextTrackSelectionFlags = disabledTextTrackSelectionFlags;
	}

	/* package */ TrackSelectionParameters(Parcel in) {
	this.preferredAudioLanguage = in.readString();
	this.preferredTextLanguage = in.readString();
	this.preferredTextRoleFlags = in.readInt();
	this.selectUndeterminedTextLanguage = Util.readBoolean(in);
	this.disabledTextTrackSelectionFlags = in.readInt();
	}

	/** Creates a new {@link Builder}, copying the initial values from this instance. */
	public Builder buildUpon() {
	return new Builder(this);
	}

	@Override
	@SuppressWarnings("EqualsGetClass")
	public boolean equals(@Nullable Object obj) {
	if (this == obj) {
	return true;
	}
	if (obj == null \|\| getClass() != obj.getClass()) {
	return false;
	}
	TrackSelectionParameters other = (TrackSelectionParameters) obj;
	return TextUtils.equals(preferredAudioLanguage, other.preferredAudioLanguage)
	&& TextUtils.equals(preferredTextLanguage, other.preferredTextLanguage)
	&& preferredTextRoleFlags == other.preferredTextRoleFlags
	&& selectUndeterminedTextLanguage == other.selectUndeterminedTextLanguage
	&& disabledTextTrackSelectionFlags == other.disabledTextTrackSelectionFlags;
	}

	@Override
	public int hashCode() {
	int result = 1;
	result = 31 * result + (preferredAudioLanguage == null ? 0 : preferredAudioLanguage.hashCode());
	result = 31 * result + (preferredTextLanguage == null ? 0 : preferredTextLanguage.hashCode());
	result = 31 * result + preferredTextRoleFlags;
	result = 31 * result + (selectUndeterminedTextLanguage ? 1 : 0);
	result = 31 * result + disabledTextTrackSelectionFlags;
	return result;
	}

	// Parcelable implementation.

	@Override
	public int describeContents() {
	return 0;
	}

	@Override
	public void writeToParcel(Parcel dest, int flags) {
	dest.writeString(preferredAudioLanguage);
	dest.writeString(preferredTextLanguage);
	dest.writeInt(preferredTextRoleFlags);
	Util.writeBoolean(dest, selectUndeterminedTextLanguage);
	dest.writeInt(disabledTextTrackSelectionFlags);
	}

	public static final Creator<TrackSelectionParameters> CREATOR =
	new Creator<TrackSelectionParameters>() {

	@Override
	public TrackSelectionParameters createFromParcel(Parcel in) {
	return new TrackSelectionParameters(in);
	}

	@Override
	public TrackSelectionParameters[] newArray(int size) {
	return new TrackSelectionParameters[size];
	}
	};
	}