mirror of https://github.com/NekoX-Dev/NekoX.git
101 lines
2.6 KiB
Java
101 lines
2.6 KiB
Java
/*
|
|
* Copyright (C) 2016 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.decoder;
|
|
|
|
import com.google.android.exoplayer2.C;
|
|
|
|
/**
|
|
* Base class for buffers with flags.
|
|
*/
|
|
public abstract class Buffer {
|
|
|
|
@C.BufferFlags
|
|
private int flags;
|
|
|
|
/**
|
|
* Clears the buffer.
|
|
*/
|
|
public void clear() {
|
|
flags = 0;
|
|
}
|
|
|
|
/**
|
|
* Returns whether the {@link C#BUFFER_FLAG_DECODE_ONLY} flag is set.
|
|
*/
|
|
public final boolean isDecodeOnly() {
|
|
return getFlag(C.BUFFER_FLAG_DECODE_ONLY);
|
|
}
|
|
|
|
/**
|
|
* Returns whether the {@link C#BUFFER_FLAG_END_OF_STREAM} flag is set.
|
|
*/
|
|
public final boolean isEndOfStream() {
|
|
return getFlag(C.BUFFER_FLAG_END_OF_STREAM);
|
|
}
|
|
|
|
/**
|
|
* Returns whether the {@link C#BUFFER_FLAG_KEY_FRAME} flag is set.
|
|
*/
|
|
public final boolean isKeyFrame() {
|
|
return getFlag(C.BUFFER_FLAG_KEY_FRAME);
|
|
}
|
|
|
|
/** Returns whether the {@link C#BUFFER_FLAG_HAS_SUPPLEMENTAL_DATA} flag is set. */
|
|
public final boolean hasSupplementalData() {
|
|
return getFlag(C.BUFFER_FLAG_HAS_SUPPLEMENTAL_DATA);
|
|
}
|
|
|
|
/**
|
|
* Replaces this buffer's flags with {@code flags}.
|
|
*
|
|
* @param flags The flags to set, which should be a combination of the {@code C.BUFFER_FLAG_*}
|
|
* constants.
|
|
*/
|
|
public final void setFlags(@C.BufferFlags int flags) {
|
|
this.flags = flags;
|
|
}
|
|
|
|
/**
|
|
* Adds the {@code flag} to this buffer's flags.
|
|
*
|
|
* @param flag The flag to add to this buffer's flags, which should be one of the
|
|
* {@code C.BUFFER_FLAG_*} constants.
|
|
*/
|
|
public final void addFlag(@C.BufferFlags int flag) {
|
|
flags |= flag;
|
|
}
|
|
|
|
/**
|
|
* Removes the {@code flag} from this buffer's flags, if it is set.
|
|
*
|
|
* @param flag The flag to remove.
|
|
*/
|
|
public final void clearFlag(@C.BufferFlags int flag) {
|
|
flags &= ~flag;
|
|
}
|
|
|
|
/**
|
|
* Returns whether the specified flag has been set on this buffer.
|
|
*
|
|
* @param flag The flag to check.
|
|
* @return Whether the flag is set.
|
|
*/
|
|
protected final boolean getFlag(@C.BufferFlags int flag) {
|
|
return (flags & flag) == flag;
|
|
}
|
|
|
|
}
|