media/java/android/media/metrics/TrackChangeEvent.java - platform/frameworks/base - Git at Google

 /*
  * Copyright (C) 2020 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 android.media.metrics;

 import android.annotation.IntDef;
 import android.annotation.NonNull;
 import android.annotation.Nullable;
 import android.os.Parcel;
 import android.os.Parcelable;

 import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
 import java.util.Objects;

 /**
  * Playback track change event.
  * @hide
  */
 public final class TrackChangeEvent implements Parcelable {
     public static final int TRACK_STATE_OFF = 0;
     public static final int TRACK_STATE_ON = 1;

     public static final int TRACK_CHANGE_REASON_UNKNOWN = 0;
     public static final int TRACK_CHANGE_REASON_OTHER = 1;
     public static final int TRACK_CHANGE_REASON_INITIAL = 2;
     public static final int TRACK_CHANGE_REASON_MANUAL = 3;
     public static final int TRACK_CHANGE_REASON_ADAPTIVE = 4;

     public static final int TRACK_TYPE_AUDIO = 0;
     public static final int TRACK_TYPE_VIDEO = 1;
     public static final int TRACK_TYPE_TEXT = 2;

     private final int mState;
     private final int mReason;
     private final @Nullable String mContainerMimeType;
     private final @Nullable String mSampleMimeType;
     private final @Nullable String mCodecName;
     private final int mBitrate;
     private final long mTimeSincePlaybackCreatedMillis;
     private final int mType;
     private final @Nullable String mLanguage;
     private final @Nullable String mLanguageRegion;
     private final int mChannelCount;
     private final int mSampleRate;
     private final int mWidth;
     private final int mHeight;


     /** @hide */
     @IntDef(prefix = "TRACK_STATE_", value = {
         TRACK_STATE_OFF,
         TRACK_STATE_ON
     })
     @Retention(RetentionPolicy.SOURCE)
     public @interface TrackState {}

     /** @hide */
     @IntDef(prefix = "TRACK_CHANGE_REASON_", value = {
         TRACK_CHANGE_REASON_UNKNOWN,
         TRACK_CHANGE_REASON_OTHER,
         TRACK_CHANGE_REASON_INITIAL,
         TRACK_CHANGE_REASON_MANUAL,
         TRACK_CHANGE_REASON_ADAPTIVE
     })
     @Retention(RetentionPolicy.SOURCE)
     public @interface TrackChangeReason {}

     /** @hide */
     @IntDef(prefix = "TRACK_TYPE_", value = {
         TRACK_TYPE_AUDIO,
         TRACK_TYPE_VIDEO,
         TRACK_TYPE_TEXT
     })
     @Retention(RetentionPolicy.SOURCE)
     public @interface TrackType {}

     public TrackChangeEvent(
             int state,
             int reason,
             @Nullable String containerMimeType,
             @Nullable String sampleMimeType,
             @Nullable String codecName,
             int bitrate,
             long timeSincePlaybackCreatedMillis,
             int type,
             @Nullable String language,
             @Nullable String languageRegion,
             int channelCount,
             int sampleRate,
             int width,
             int height) {
         this.mState = state;
         this.mReason = reason;
         this.mContainerMimeType = containerMimeType;
         this.mSampleMimeType = sampleMimeType;
         this.mCodecName = codecName;
         this.mBitrate = bitrate;
         this.mTimeSincePlaybackCreatedMillis = timeSincePlaybackCreatedMillis;
         this.mType = type;
         this.mLanguage = language;
         this.mLanguageRegion = languageRegion;
         this.mChannelCount = channelCount;
         this.mSampleRate = sampleRate;
         this.mWidth = width;
         this.mHeight = height;
     }

     @TrackState
     public int getTrackState() {
         return mState;
     }

     @TrackChangeReason
     public int getTrackChangeReason() {
         return mReason;
     }

     public @Nullable String getContainerMimeType() {
         return mContainerMimeType;
     }

     public @Nullable String getSampleMimeType() {
         return mSampleMimeType;
     }

     public @Nullable String getCodecName() {
         return mCodecName;
     }

     public int getBitrate() {
         return mBitrate;
     }

     public long getTimeSincePlaybackCreatedMillis() {
         return mTimeSincePlaybackCreatedMillis;
     }

     @TrackType
     public int getTrackType() {
         return mType;
     }

     public @Nullable String getLanguage() {
         return mLanguage;
     }

     public @Nullable String getLanguageRegion() {
         return mLanguageRegion;
     }

     public int getChannelCount() {
         return mChannelCount;
     }

     public int getSampleRate() {
         return mSampleRate;
     }

     public int getWidth() {
         return mWidth;
     }

     public int getHeight() {
         return mHeight;
     }

     @Override
     public void writeToParcel(@NonNull Parcel dest, int flags) {
         int flg = 0;
         if (mContainerMimeType != null) flg |= 0x4;
         if (mSampleMimeType != null) flg |= 0x8;
         if (mCodecName != null) flg |= 0x10;
         if (mLanguage != null) flg |= 0x100;
         if (mLanguageRegion != null) flg |= 0x200;
         dest.writeInt(flg);
         dest.writeInt(mState);
         dest.writeInt(mReason);
         if (mContainerMimeType != null) dest.writeString(mContainerMimeType);
         if (mSampleMimeType != null) dest.writeString(mSampleMimeType);
         if (mCodecName != null) dest.writeString(mCodecName);
         dest.writeInt(mBitrate);
         dest.writeLong(mTimeSincePlaybackCreatedMillis);
         dest.writeInt(mType);
         if (mLanguage != null) dest.writeString(mLanguage);
         if (mLanguageRegion != null) dest.writeString(mLanguageRegion);
         dest.writeInt(mChannelCount);
         dest.writeInt(mSampleRate);
         dest.writeInt(mWidth);
         dest.writeInt(mHeight);
     }

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

     /** @hide */
     /* package-private */ TrackChangeEvent(@NonNull Parcel in) {
         int flg = in.readInt();
         int state = in.readInt();
         int reason = in.readInt();
         String containerMimeType = (flg & 0x4) == 0 ? null : in.readString();
         String sampleMimeType = (flg & 0x8) == 0 ? null : in.readString();
         String codecName = (flg & 0x10) == 0 ? null : in.readString();
         int bitrate = in.readInt();
         long timeSincePlaybackCreatedMillis = in.readLong();
         int type = in.readInt();
         String language = (flg & 0x100) == 0 ? null : in.readString();
         String languageRegion = (flg & 0x200) == 0 ? null : in.readString();
         int channelCount = in.readInt();
         int sampleRate = in.readInt();
         int width = in.readInt();
         int height = in.readInt();

         this.mState = state;
         this.mReason = reason;
         this.mContainerMimeType = containerMimeType;
         this.mSampleMimeType = sampleMimeType;
         this.mCodecName = codecName;
         this.mBitrate = bitrate;
         this.mTimeSincePlaybackCreatedMillis = timeSincePlaybackCreatedMillis;
         this.mType = type;
         this.mLanguage = language;
         this.mLanguageRegion = languageRegion;
         this.mChannelCount = channelCount;
         this.mSampleRate = sampleRate;
         this.mWidth = width;
         this.mHeight = height;
     }

     public static final @NonNull Parcelable.Creator<TrackChangeEvent> CREATOR =
             new Parcelable.Creator<TrackChangeEvent>() {
         @Override
         public TrackChangeEvent[] newArray(int size) {
             return new TrackChangeEvent[size];
         }

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


     // Code below generated by codegen v1.0.22.
     //
     // DO NOT MODIFY!
     // CHECKSTYLE:OFF Generated code
     //
     // To regenerate run:
     // $ codegen $ANDROID_BUILD_TOP/frameworks/base/media/java/android/media/metrics/TrackChangeEvent.java
     //
     // To exclude the generated code from IntelliJ auto-formatting enable (one-time):
     //   Settings > Editor > Code Style > Formatter Control
     //@formatter:off

     @Override
     public String toString() {
         return "TrackChangeEvent { " +
                 "state = " + mState + ", " +
                 "reason = " + mReason + ", " +
                 "containerMimeType = " + mContainerMimeType + ", " +
                 "sampleMimeType = " + mSampleMimeType + ", " +
                 "codecName = " + mCodecName + ", " +
                 "bitrate = " + mBitrate + ", " +
                 "timeSincePlaybackCreatedMillis = " + mTimeSincePlaybackCreatedMillis + ", " +
                 "type = " + mType + ", " +
                 "language = " + mLanguage + ", " +
                 "languageRegion = " + mLanguageRegion + ", " +
                 "channelCount = " + mChannelCount + ", " +
                 "sampleRate = " + mSampleRate + ", " +
                 "width = " + mWidth + ", " +
                 "height = " + mHeight +
         " }";
     }

     @Override
     public boolean equals(@Nullable Object o) {
         if (this == o) return true;
         if (o == null || getClass() != o.getClass()) return false;
         TrackChangeEvent that = (TrackChangeEvent) o;
         return mState == that.mState
                 && mReason == that.mReason
                 && Objects.equals(mContainerMimeType, that.mContainerMimeType)
                 && Objects.equals(mSampleMimeType, that.mSampleMimeType)
                 && Objects.equals(mCodecName, that.mCodecName)
                 && mBitrate == that.mBitrate
                 && mTimeSincePlaybackCreatedMillis == that.mTimeSincePlaybackCreatedMillis
                 && mType == that.mType
                 && Objects.equals(mLanguage, that.mLanguage)
                 && Objects.equals(mLanguageRegion, that.mLanguageRegion)
                 && mChannelCount == that.mChannelCount
                 && mSampleRate == that.mSampleRate
                 && mWidth == that.mWidth
                 && mHeight == that.mHeight;
     }

     @Override
     public int hashCode() {
         return Objects.hash(mState, mReason, mContainerMimeType, mSampleMimeType, mCodecName,
                 mBitrate, mTimeSincePlaybackCreatedMillis, mType, mLanguage, mLanguageRegion,
                 mChannelCount, mSampleRate, mWidth, mHeight);
     }

     /**
      * A builder for {@link TrackChangeEvent}
      */
     public static final class Builder {
         // TODO: check track type for the setters.
         private int mState;
         private int mReason;
         private @Nullable String mContainerMimeType;
         private @Nullable String mSampleMimeType;
         private @Nullable String mCodecName;
         private int mBitrate;
         private long mTimeSincePlaybackCreatedMillis;
         private int mType;
         private @Nullable String mLanguage;
         private @Nullable String mLanguageRegion;
         private int mChannelCount;
         private int mSampleRate;
         private int mWidth;
         private int mHeight;

         private long mBuilderFieldsSet = 0L;

         /**
          * Creates a new Builder.
          *
          * @hide
          */
         public Builder(int type) {
             mType = type;
         }

         public @NonNull Builder setTrackState(@TrackState int value) {
             checkNotUsed();
             mBuilderFieldsSet |= 0x1;
             mState = value;
             return this;
         }

         public @NonNull Builder setTrackChangeReason(@TrackChangeReason int value) {
             checkNotUsed();
             mBuilderFieldsSet |= 0x2;
             mReason = value;
             return this;
         }

         public @NonNull Builder setContainerMimeType(@NonNull String value) {
             checkNotUsed();
             mBuilderFieldsSet |= 0x4;
             mContainerMimeType = value;
             return this;
         }

         public @NonNull Builder setSampleMimeType(@NonNull String value) {
             checkNotUsed();
             mBuilderFieldsSet |= 0x8;
             mSampleMimeType = value;
             return this;
         }

         public @NonNull Builder setCodecName(@NonNull String value) {
             checkNotUsed();
             mBuilderFieldsSet |= 0x10;
             mCodecName = value;
             return this;
         }

         public @NonNull Builder setBitrate(int value) {
             checkNotUsed();
             mBuilderFieldsSet |= 0x20;
             mBitrate = value;
             return this;
         }

         public @NonNull Builder setTimeSincePlaybackCreatedMillis(long value) {
             checkNotUsed();
             mBuilderFieldsSet |= 0x40;
             mTimeSincePlaybackCreatedMillis = value;
             return this;
         }

         public @NonNull Builder setTrackType(@TrackType int value) {
             checkNotUsed();
             mBuilderFieldsSet |= 0x80;
             mType = value;
             return this;
         }

         public @NonNull Builder setLanguage(@NonNull String value) {
             checkNotUsed();
             mBuilderFieldsSet |= 0x100;
             mLanguage = value;
             return this;
         }

         public @NonNull Builder setLanguageRegion(@NonNull String value) {
             checkNotUsed();
             mBuilderFieldsSet |= 0x200;
             mLanguageRegion = value;
             return this;
         }

         public @NonNull Builder setChannelCount(int value) {
             checkNotUsed();
             mBuilderFieldsSet |= 0x400;
             mChannelCount = value;
             return this;
         }

         public @NonNull Builder setSampleRate(int value) {
             checkNotUsed();
             mBuilderFieldsSet |= 0x800;
             mSampleRate = value;
             return this;
         }

         public @NonNull Builder setWidth(int value) {
             checkNotUsed();
             mBuilderFieldsSet |= 0x1000;
             mWidth = value;
             return this;
         }

         public @NonNull Builder setHeight(int value) {
             checkNotUsed();
             mBuilderFieldsSet |= 0x2000;
             mHeight = value;
             return this;
         }

         /** Builds the instance. This builder should not be touched after calling this! */
         public @NonNull TrackChangeEvent build() {
             checkNotUsed();
             mBuilderFieldsSet |= 0x4000; // Mark builder used

             TrackChangeEvent o = new TrackChangeEvent(
                     mState,
                     mReason,
                     mContainerMimeType,
                     mSampleMimeType,
                     mCodecName,
                     mBitrate,
                     mTimeSincePlaybackCreatedMillis,
                     mType,
                     mLanguage,
                     mLanguageRegion,
                     mChannelCount,
                     mSampleRate,
                     mWidth,
                     mHeight);
             return o;
         }

         private void checkNotUsed() {
             if ((mBuilderFieldsSet & 0x4000) != 0) {
                 throw new IllegalStateException(
                         "This Builder should not be reused. Use a new Builder instance instead");
             }
         }
     }
 }
	/*
	* Copyright (C) 2020 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 android.media.metrics;

	import android.annotation.IntDef;
	import android.annotation.NonNull;
	import android.annotation.Nullable;
	import android.os.Parcel;
	import android.os.Parcelable;

	import java.lang.annotation.Retention;
	import java.lang.annotation.RetentionPolicy;
	import java.util.Objects;

	/**
	* Playback track change event.
	* @hide
	*/
	public final class TrackChangeEvent implements Parcelable {
	public static final int TRACK_STATE_OFF = 0;
	public static final int TRACK_STATE_ON = 1;

	public static final int TRACK_CHANGE_REASON_UNKNOWN = 0;
	public static final int TRACK_CHANGE_REASON_OTHER = 1;
	public static final int TRACK_CHANGE_REASON_INITIAL = 2;
	public static final int TRACK_CHANGE_REASON_MANUAL = 3;
	public static final int TRACK_CHANGE_REASON_ADAPTIVE = 4;

	public static final int TRACK_TYPE_AUDIO = 0;
	public static final int TRACK_TYPE_VIDEO = 1;
	public static final int TRACK_TYPE_TEXT = 2;

	private final int mState;
	private final int mReason;
	private final @Nullable String mContainerMimeType;
	private final @Nullable String mSampleMimeType;
	private final @Nullable String mCodecName;
	private final int mBitrate;
	private final long mTimeSincePlaybackCreatedMillis;
	private final int mType;
	private final @Nullable String mLanguage;
	private final @Nullable String mLanguageRegion;
	private final int mChannelCount;
	private final int mSampleRate;
	private final int mWidth;
	private final int mHeight;



	/** @hide */
	@IntDef(prefix = "TRACK_STATE_", value = {
	TRACK_STATE_OFF,
	TRACK_STATE_ON
	})
	@Retention(RetentionPolicy.SOURCE)
	public @interface TrackState {}

	/** @hide */
	@IntDef(prefix = "TRACK_CHANGE_REASON_", value = {
	TRACK_CHANGE_REASON_UNKNOWN,
	TRACK_CHANGE_REASON_OTHER,
	TRACK_CHANGE_REASON_INITIAL,
	TRACK_CHANGE_REASON_MANUAL,
	TRACK_CHANGE_REASON_ADAPTIVE
	})
	@Retention(RetentionPolicy.SOURCE)
	public @interface TrackChangeReason {}

	/** @hide */
	@IntDef(prefix = "TRACK_TYPE_", value = {
	TRACK_TYPE_AUDIO,
	TRACK_TYPE_VIDEO,
	TRACK_TYPE_TEXT
	})
	@Retention(RetentionPolicy.SOURCE)
	public @interface TrackType {}

	public TrackChangeEvent(
	int state,
	int reason,
	@Nullable String containerMimeType,
	@Nullable String sampleMimeType,
	@Nullable String codecName,
	int bitrate,
	long timeSincePlaybackCreatedMillis,
	int type,
	@Nullable String language,
	@Nullable String languageRegion,
	int channelCount,
	int sampleRate,
	int width,
	int height) {
	this.mState = state;
	this.mReason = reason;
	this.mContainerMimeType = containerMimeType;
	this.mSampleMimeType = sampleMimeType;
	this.mCodecName = codecName;
	this.mBitrate = bitrate;
	this.mTimeSincePlaybackCreatedMillis = timeSincePlaybackCreatedMillis;
	this.mType = type;
	this.mLanguage = language;
	this.mLanguageRegion = languageRegion;
	this.mChannelCount = channelCount;
	this.mSampleRate = sampleRate;
	this.mWidth = width;
	this.mHeight = height;
	}

	@TrackState
	public int getTrackState() {
	return mState;
	}

	@TrackChangeReason
	public int getTrackChangeReason() {
	return mReason;
	}

	public @Nullable String getContainerMimeType() {
	return mContainerMimeType;
	}

	public @Nullable String getSampleMimeType() {
	return mSampleMimeType;
	}

	public @Nullable String getCodecName() {
	return mCodecName;
	}

	public int getBitrate() {
	return mBitrate;
	}

	public long getTimeSincePlaybackCreatedMillis() {
	return mTimeSincePlaybackCreatedMillis;
	}

	@TrackType
	public int getTrackType() {
	return mType;
	}

	public @Nullable String getLanguage() {
	return mLanguage;
	}

	public @Nullable String getLanguageRegion() {
	return mLanguageRegion;
	}

	public int getChannelCount() {
	return mChannelCount;
	}

	public int getSampleRate() {
	return mSampleRate;
	}

	public int getWidth() {
	return mWidth;
	}

	public int getHeight() {
	return mHeight;
	}

	@Override
	public void writeToParcel(@NonNull Parcel dest, int flags) {
	int flg = 0;
	if (mContainerMimeType != null) flg \|= 0x4;
	if (mSampleMimeType != null) flg \|= 0x8;
	if (mCodecName != null) flg \|= 0x10;
	if (mLanguage != null) flg \|= 0x100;
	if (mLanguageRegion != null) flg \|= 0x200;
	dest.writeInt(flg);
	dest.writeInt(mState);
	dest.writeInt(mReason);
	if (mContainerMimeType != null) dest.writeString(mContainerMimeType);
	if (mSampleMimeType != null) dest.writeString(mSampleMimeType);
	if (mCodecName != null) dest.writeString(mCodecName);
	dest.writeInt(mBitrate);
	dest.writeLong(mTimeSincePlaybackCreatedMillis);
	dest.writeInt(mType);
	if (mLanguage != null) dest.writeString(mLanguage);
	if (mLanguageRegion != null) dest.writeString(mLanguageRegion);
	dest.writeInt(mChannelCount);
	dest.writeInt(mSampleRate);
	dest.writeInt(mWidth);
	dest.writeInt(mHeight);
	}

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

	/** @hide */
	/* package-private */ TrackChangeEvent(@NonNull Parcel in) {
	int flg = in.readInt();
	int state = in.readInt();
	int reason = in.readInt();
	String containerMimeType = (flg & 0x4) == 0 ? null : in.readString();
	String sampleMimeType = (flg & 0x8) == 0 ? null : in.readString();
	String codecName = (flg & 0x10) == 0 ? null : in.readString();
	int bitrate = in.readInt();
	long timeSincePlaybackCreatedMillis = in.readLong();
	int type = in.readInt();
	String language = (flg & 0x100) == 0 ? null : in.readString();
	String languageRegion = (flg & 0x200) == 0 ? null : in.readString();
	int channelCount = in.readInt();
	int sampleRate = in.readInt();
	int width = in.readInt();
	int height = in.readInt();

	this.mState = state;
	this.mReason = reason;
	this.mContainerMimeType = containerMimeType;
	this.mSampleMimeType = sampleMimeType;
	this.mCodecName = codecName;
	this.mBitrate = bitrate;
	this.mTimeSincePlaybackCreatedMillis = timeSincePlaybackCreatedMillis;
	this.mType = type;
	this.mLanguage = language;
	this.mLanguageRegion = languageRegion;
	this.mChannelCount = channelCount;
	this.mSampleRate = sampleRate;
	this.mWidth = width;
	this.mHeight = height;
	}

	public static final @NonNull Parcelable.Creator<TrackChangeEvent> CREATOR =
	new Parcelable.Creator<TrackChangeEvent>() {
	@Override
	public TrackChangeEvent[] newArray(int size) {
	return new TrackChangeEvent[size];
	}

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



	// Code below generated by codegen v1.0.22.
	//
	// DO NOT MODIFY!
	// CHECKSTYLE:OFF Generated code
	//
	// To regenerate run:
	// $ codegen $ANDROID_BUILD_TOP/frameworks/base/media/java/android/media/metrics/TrackChangeEvent.java
	//
	// To exclude the generated code from IntelliJ auto-formatting enable (one-time):
	// Settings > Editor > Code Style > Formatter Control
	//@formatter:off

	@Override
	public String toString() {
	return "TrackChangeEvent { " +
	"state = " + mState + ", " +
	"reason = " + mReason + ", " +
	"containerMimeType = " + mContainerMimeType + ", " +
	"sampleMimeType = " + mSampleMimeType + ", " +
	"codecName = " + mCodecName + ", " +
	"bitrate = " + mBitrate + ", " +
	"timeSincePlaybackCreatedMillis = " + mTimeSincePlaybackCreatedMillis + ", " +
	"type = " + mType + ", " +
	"language = " + mLanguage + ", " +
	"languageRegion = " + mLanguageRegion + ", " +
	"channelCount = " + mChannelCount + ", " +
	"sampleRate = " + mSampleRate + ", " +
	"width = " + mWidth + ", " +
	"height = " + mHeight +
	" }";
	}

	@Override
	public boolean equals(@Nullable Object o) {
	if (this == o) return true;
	if (o == null \|\| getClass() != o.getClass()) return false;
	TrackChangeEvent that = (TrackChangeEvent) o;
	return mState == that.mState
	&& mReason == that.mReason
	&& Objects.equals(mContainerMimeType, that.mContainerMimeType)
	&& Objects.equals(mSampleMimeType, that.mSampleMimeType)
	&& Objects.equals(mCodecName, that.mCodecName)
	&& mBitrate == that.mBitrate
	&& mTimeSincePlaybackCreatedMillis == that.mTimeSincePlaybackCreatedMillis
	&& mType == that.mType
	&& Objects.equals(mLanguage, that.mLanguage)
	&& Objects.equals(mLanguageRegion, that.mLanguageRegion)
	&& mChannelCount == that.mChannelCount
	&& mSampleRate == that.mSampleRate
	&& mWidth == that.mWidth
	&& mHeight == that.mHeight;
	}

	@Override
	public int hashCode() {
	return Objects.hash(mState, mReason, mContainerMimeType, mSampleMimeType, mCodecName,
	mBitrate, mTimeSincePlaybackCreatedMillis, mType, mLanguage, mLanguageRegion,
	mChannelCount, mSampleRate, mWidth, mHeight);
	}

	/**
	* A builder for {@link TrackChangeEvent}
	*/
	public static final class Builder {
	// TODO: check track type for the setters.
	private int mState;
	private int mReason;
	private @Nullable String mContainerMimeType;
	private @Nullable String mSampleMimeType;
	private @Nullable String mCodecName;
	private int mBitrate;
	private long mTimeSincePlaybackCreatedMillis;
	private int mType;
	private @Nullable String mLanguage;
	private @Nullable String mLanguageRegion;
	private int mChannelCount;
	private int mSampleRate;
	private int mWidth;
	private int mHeight;

	private long mBuilderFieldsSet = 0L;

	/**
	* Creates a new Builder.
	*
	* @hide
	*/
	public Builder(int type) {
	mType = type;
	}

	public @NonNull Builder setTrackState(@TrackState int value) {
	checkNotUsed();
	mBuilderFieldsSet \|= 0x1;
	mState = value;
	return this;
	}

	public @NonNull Builder setTrackChangeReason(@TrackChangeReason int value) {
	checkNotUsed();
	mBuilderFieldsSet \|= 0x2;
	mReason = value;
	return this;
	}

	public @NonNull Builder setContainerMimeType(@NonNull String value) {
	checkNotUsed();
	mBuilderFieldsSet \|= 0x4;
	mContainerMimeType = value;
	return this;
	}

	public @NonNull Builder setSampleMimeType(@NonNull String value) {
	checkNotUsed();
	mBuilderFieldsSet \|= 0x8;
	mSampleMimeType = value;
	return this;
	}

	public @NonNull Builder setCodecName(@NonNull String value) {
	checkNotUsed();
	mBuilderFieldsSet \|= 0x10;
	mCodecName = value;
	return this;
	}

	public @NonNull Builder setBitrate(int value) {
	checkNotUsed();
	mBuilderFieldsSet \|= 0x20;
	mBitrate = value;
	return this;
	}

	public @NonNull Builder setTimeSincePlaybackCreatedMillis(long value) {
	checkNotUsed();
	mBuilderFieldsSet \|= 0x40;
	mTimeSincePlaybackCreatedMillis = value;
	return this;
	}

	public @NonNull Builder setTrackType(@TrackType int value) {
	checkNotUsed();
	mBuilderFieldsSet \|= 0x80;
	mType = value;
	return this;
	}

	public @NonNull Builder setLanguage(@NonNull String value) {
	checkNotUsed();
	mBuilderFieldsSet \|= 0x100;
	mLanguage = value;
	return this;
	}

	public @NonNull Builder setLanguageRegion(@NonNull String value) {
	checkNotUsed();
	mBuilderFieldsSet \|= 0x200;
	mLanguageRegion = value;
	return this;
	}

	public @NonNull Builder setChannelCount(int value) {
	checkNotUsed();
	mBuilderFieldsSet \|= 0x400;
	mChannelCount = value;
	return this;
	}

	public @NonNull Builder setSampleRate(int value) {
	checkNotUsed();
	mBuilderFieldsSet \|= 0x800;
	mSampleRate = value;
	return this;
	}

	public @NonNull Builder setWidth(int value) {
	checkNotUsed();
	mBuilderFieldsSet \|= 0x1000;
	mWidth = value;
	return this;
	}

	public @NonNull Builder setHeight(int value) {
	checkNotUsed();
	mBuilderFieldsSet \|= 0x2000;
	mHeight = value;
	return this;
	}

	/** Builds the instance. This builder should not be touched after calling this! */
	public @NonNull TrackChangeEvent build() {
	checkNotUsed();
	mBuilderFieldsSet \|= 0x4000; // Mark builder used

	TrackChangeEvent o = new TrackChangeEvent(
	mState,
	mReason,
	mContainerMimeType,
	mSampleMimeType,
	mCodecName,
	mBitrate,
	mTimeSincePlaybackCreatedMillis,
	mType,
	mLanguage,
	mLanguageRegion,
	mChannelCount,
	mSampleRate,
	mWidth,
	mHeight);
	return o;
	}

	private void checkNotUsed() {
	if ((mBuilderFieldsSet & 0x4000) != 0) {
	throw new IllegalStateException(
	"This Builder should not be reused. Use a new Builder instance instead");
	}
	}
	}
	}