mirror of https://github.com/NekoX-Dev/NekoX.git
163 lines
5.1 KiB
Java
163 lines
5.1 KiB
Java
/*
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* Copyright (C) 2017 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.google.android.exoplayer2.audio;
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import android.annotation.TargetApi;
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import androidx.annotation.Nullable;
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import com.google.android.exoplayer2.C;
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import com.google.android.exoplayer2.util.Util;
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/**
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* Attributes for audio playback, which configure the underlying platform
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* {@link android.media.AudioTrack}.
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* <p>
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* To set the audio attributes, create an instance using the {@link Builder} and either pass it to
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* {@link com.google.android.exoplayer2.SimpleExoPlayer#setAudioAttributes(AudioAttributes)} or
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* send a message of type {@link C#MSG_SET_AUDIO_ATTRIBUTES} to the audio renderers.
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* <p>
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* This class is based on {@link android.media.AudioAttributes}, but can be used on all supported
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* API versions.
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*/
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public final class AudioAttributes {
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public static final AudioAttributes DEFAULT = new Builder().build();
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/**
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* Builder for {@link AudioAttributes}.
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*/
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public static final class Builder {
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private @C.AudioContentType int contentType;
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private @C.AudioFlags int flags;
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private @C.AudioUsage int usage;
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private @C.AudioAllowedCapturePolicy int allowedCapturePolicy;
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/**
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* Creates a new builder for {@link AudioAttributes}.
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*
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* <p>By default the content type is {@link C#CONTENT_TYPE_UNKNOWN}, usage is {@link
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* C#USAGE_MEDIA}, capture policy is {@link C#ALLOW_CAPTURE_BY_ALL} and no flags are set.
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*/
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public Builder() {
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contentType = C.CONTENT_TYPE_UNKNOWN;
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flags = 0;
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usage = C.USAGE_MEDIA;
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allowedCapturePolicy = C.ALLOW_CAPTURE_BY_ALL;
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}
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/**
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* @see android.media.AudioAttributes.Builder#setContentType(int)
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*/
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public Builder setContentType(@C.AudioContentType int contentType) {
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this.contentType = contentType;
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return this;
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}
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/**
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* @see android.media.AudioAttributes.Builder#setFlags(int)
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*/
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public Builder setFlags(@C.AudioFlags int flags) {
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this.flags = flags;
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return this;
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}
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/**
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* @see android.media.AudioAttributes.Builder#setUsage(int)
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*/
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public Builder setUsage(@C.AudioUsage int usage) {
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this.usage = usage;
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return this;
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}
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/** See {@link android.media.AudioAttributes.Builder#setAllowedCapturePolicy(int)}. */
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public Builder setAllowedCapturePolicy(@C.AudioAllowedCapturePolicy int allowedCapturePolicy) {
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this.allowedCapturePolicy = allowedCapturePolicy;
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return this;
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}
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/** Creates an {@link AudioAttributes} instance from this builder. */
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public AudioAttributes build() {
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return new AudioAttributes(contentType, flags, usage, allowedCapturePolicy);
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}
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}
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public final @C.AudioContentType int contentType;
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public final @C.AudioFlags int flags;
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public final @C.AudioUsage int usage;
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public final @C.AudioAllowedCapturePolicy int allowedCapturePolicy;
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@Nullable private android.media.AudioAttributes audioAttributesV21;
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private AudioAttributes(
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@C.AudioContentType int contentType,
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@C.AudioFlags int flags,
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@C.AudioUsage int usage,
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@C.AudioAllowedCapturePolicy int allowedCapturePolicy) {
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this.contentType = contentType;
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this.flags = flags;
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this.usage = usage;
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this.allowedCapturePolicy = allowedCapturePolicy;
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}
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/**
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* Returns a {@link android.media.AudioAttributes} from this instance.
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*
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* <p>Field {@link AudioAttributes#allowedCapturePolicy} is ignored for API levels prior to 29.
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*/
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@TargetApi(21)
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public android.media.AudioAttributes getAudioAttributesV21() {
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if (audioAttributesV21 == null) {
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android.media.AudioAttributes.Builder builder =
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new android.media.AudioAttributes.Builder()
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.setContentType(contentType)
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.setFlags(flags)
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.setUsage(usage);
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if (Util.SDK_INT >= 29) {
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builder.setAllowedCapturePolicy(allowedCapturePolicy);
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}
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audioAttributesV21 = builder.build();
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}
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return audioAttributesV21;
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}
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@Override
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public boolean equals(@Nullable Object obj) {
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if (this == obj) {
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return true;
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}
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if (obj == null || getClass() != obj.getClass()) {
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return false;
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}
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AudioAttributes other = (AudioAttributes) obj;
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return this.contentType == other.contentType
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&& this.flags == other.flags
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&& this.usage == other.usage
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&& this.allowedCapturePolicy == other.allowedCapturePolicy;
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}
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@Override
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public int hashCode() {
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int result = 17;
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result = 31 * result + contentType;
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result = 31 * result + flags;
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result = 31 * result + usage;
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result = 31 * result + allowedCapturePolicy;
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return result;
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}
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}
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