1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
|
/*
* Copyright (C) 2018 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 org.mozilla.thirdparty.com.google.android.exoplayer2.offline;
import android.os.Parcel;
import android.os.Parcelable;
import androidx.annotation.Nullable;
/**
* A key for a subset of media which can be separately loaded (a "stream").
*
* <p>The stream key consists of a period index, a group index within the period and a track index
* within the group. The interpretation of these indices depends on the type of media for which the
* stream key is used.
*/
public final class StreamKey implements Comparable<StreamKey>, Parcelable {
/** The period index. */
public final int periodIndex;
/** The group index. */
public final int groupIndex;
/** The track index. */
public final int trackIndex;
/**
* @param groupIndex The group index.
* @param trackIndex The track index.
*/
public StreamKey(int groupIndex, int trackIndex) {
this(0, groupIndex, trackIndex);
}
/**
* @param periodIndex The period index.
* @param groupIndex The group index.
* @param trackIndex The track index.
*/
public StreamKey(int periodIndex, int groupIndex, int trackIndex) {
this.periodIndex = periodIndex;
this.groupIndex = groupIndex;
this.trackIndex = trackIndex;
}
/* package */ StreamKey(Parcel in) {
periodIndex = in.readInt();
groupIndex = in.readInt();
trackIndex = in.readInt();
}
@Override
public String toString() {
return periodIndex + "." + groupIndex + "." + trackIndex;
}
@Override
public boolean equals(@Nullable Object o) {
if (this == o) {
return true;
}
if (o == null || getClass() != o.getClass()) {
return false;
}
StreamKey that = (StreamKey) o;
return periodIndex == that.periodIndex
&& groupIndex == that.groupIndex
&& trackIndex == that.trackIndex;
}
@Override
public int hashCode() {
int result = periodIndex;
result = 31 * result + groupIndex;
result = 31 * result + trackIndex;
return result;
}
// Comparable implementation.
@Override
public int compareTo(StreamKey o) {
int result = periodIndex - o.periodIndex;
if (result == 0) {
result = groupIndex - o.groupIndex;
if (result == 0) {
result = trackIndex - o.trackIndex;
}
}
return result;
}
// Parcelable implementation.
@Override
public int describeContents() {
return 0;
}
@Override
public void writeToParcel(Parcel dest, int flags) {
dest.writeInt(periodIndex);
dest.writeInt(groupIndex);
dest.writeInt(trackIndex);
}
public static final Parcelable.Creator<StreamKey> CREATOR =
new Parcelable.Creator<StreamKey>() {
@Override
public StreamKey createFromParcel(Parcel in) {
return new StreamKey(in);
}
@Override
public StreamKey[] newArray(int size) {
return new StreamKey[size];
}
};
}
|
