mirror of https://github.com/NekoX-Dev/NekoX.git
130 lines
3.5 KiB
Java
130 lines
3.5 KiB
Java
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/*
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* Copyright 2013 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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package org.webrtc;
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import androidx.annotation.Nullable;
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/** Java wrapper for a C++ MediaStreamTrackInterface. */
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public class MediaStreamTrack {
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public static final String AUDIO_TRACK_KIND = "audio";
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public static final String VIDEO_TRACK_KIND = "video";
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/** Tracks MediaStreamTrackInterface.TrackState */
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public enum State {
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LIVE,
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ENDED;
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@CalledByNative("State")
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static State fromNativeIndex(int nativeIndex) {
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return values()[nativeIndex];
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}
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}
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// Must be kept in sync with cricket::MediaType.
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public enum MediaType {
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MEDIA_TYPE_AUDIO(0),
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MEDIA_TYPE_VIDEO(1);
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private final int nativeIndex;
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private MediaType(int nativeIndex) {
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this.nativeIndex = nativeIndex;
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}
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@CalledByNative("MediaType")
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int getNative() {
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return nativeIndex;
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}
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@CalledByNative("MediaType")
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static MediaType fromNativeIndex(int nativeIndex) {
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for (MediaType type : MediaType.values()) {
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if (type.getNative() == nativeIndex) {
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return type;
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}
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}
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throw new IllegalArgumentException("Unknown native media type: " + nativeIndex);
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}
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}
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/** Factory method to create an AudioTrack or VideoTrack subclass. */
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static @Nullable MediaStreamTrack createMediaStreamTrack(long nativeTrack) {
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if (nativeTrack == 0) {
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return null;
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}
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String trackKind = nativeGetKind(nativeTrack);
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if (trackKind.equals(AUDIO_TRACK_KIND)) {
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return new AudioTrack(nativeTrack);
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} else if (trackKind.equals(VIDEO_TRACK_KIND)) {
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return new VideoTrack(nativeTrack);
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} else {
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return null;
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}
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}
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private long nativeTrack;
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public MediaStreamTrack(long nativeTrack) {
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if (nativeTrack == 0) {
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throw new IllegalArgumentException("nativeTrack may not be null");
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}
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this.nativeTrack = nativeTrack;
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}
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public String id() {
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checkMediaStreamTrackExists();
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return nativeGetId(nativeTrack);
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}
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public String kind() {
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checkMediaStreamTrackExists();
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return nativeGetKind(nativeTrack);
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}
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public boolean enabled() {
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checkMediaStreamTrackExists();
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return nativeGetEnabled(nativeTrack);
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}
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public boolean setEnabled(boolean enable) {
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checkMediaStreamTrackExists();
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return nativeSetEnabled(nativeTrack, enable);
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}
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public State state() {
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checkMediaStreamTrackExists();
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return nativeGetState(nativeTrack);
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}
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public void dispose() {
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checkMediaStreamTrackExists();
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JniCommon.nativeReleaseRef(nativeTrack);
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nativeTrack = 0;
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}
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long getNativeMediaStreamTrack() {
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checkMediaStreamTrackExists();
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return nativeTrack;
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}
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private void checkMediaStreamTrackExists() {
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if (nativeTrack == 0) {
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throw new IllegalStateException("MediaStreamTrack has been disposed.");
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}
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}
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private static native String nativeGetId(long track);
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private static native String nativeGetKind(long track);
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private static native boolean nativeGetEnabled(long track);
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private static native boolean nativeSetEnabled(long track, boolean enabled);
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private static native State nativeGetState(long track);
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}
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