mirror of
https://github.com/samsonjs/media.git
synced 2026-03-27 09:45:47 +00:00
99 lines
2.8 KiB
Java
99 lines
2.8 KiB
Java
/*
|
|
* Copyright (C) 2014 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.exoplayer;
|
|
|
|
import java.nio.ByteBuffer;
|
|
|
|
/**
|
|
* Holds sample data and corresponding metadata.
|
|
*/
|
|
public final class SampleHolder {
|
|
|
|
/**
|
|
* Disallows buffer replacement.
|
|
*/
|
|
public static final int BUFFER_REPLACEMENT_MODE_DISABLED = 0;
|
|
|
|
/**
|
|
* Allows buffer replacement using {@link ByteBuffer#allocate(int)}.
|
|
*/
|
|
public static final int BUFFER_REPLACEMENT_MODE_NORMAL = 1;
|
|
|
|
/**
|
|
* Allows buffer replacement using {@link ByteBuffer#allocateDirect(int)}.
|
|
*/
|
|
public static final int BUFFER_REPLACEMENT_MODE_DIRECT = 2;
|
|
|
|
public final CryptoInfo cryptoInfo;
|
|
|
|
/**
|
|
* A buffer holding the sample data.
|
|
*/
|
|
public ByteBuffer data;
|
|
|
|
/**
|
|
* The size of the sample in bytes.
|
|
*/
|
|
public int size;
|
|
|
|
/**
|
|
* Flags that accompany the sample. A combination of
|
|
* {@link android.media.MediaExtractor#SAMPLE_FLAG_SYNC} and
|
|
* {@link android.media.MediaExtractor#SAMPLE_FLAG_ENCRYPTED}
|
|
*/
|
|
public int flags;
|
|
|
|
/**
|
|
* The time at which the sample should be presented.
|
|
*/
|
|
public long timeUs;
|
|
|
|
/**
|
|
* If true then the sample should be decoded, but should not be presented.
|
|
*/
|
|
public boolean decodeOnly;
|
|
|
|
private final int bufferReplacementMode;
|
|
|
|
/**
|
|
* @param bufferReplacementMode Determines the behavior of {@link #replaceBuffer(int)}. One of
|
|
* {@link #BUFFER_REPLACEMENT_MODE_DISABLED}, {@link #BUFFER_REPLACEMENT_MODE_NORMAL} and
|
|
* {@link #BUFFER_REPLACEMENT_MODE_DIRECT}.
|
|
*/
|
|
public SampleHolder(int bufferReplacementMode) {
|
|
this.cryptoInfo = new CryptoInfo();
|
|
this.bufferReplacementMode = bufferReplacementMode;
|
|
}
|
|
|
|
/**
|
|
* Attempts to replace {@link #data} with a {@link ByteBuffer} of the specified capacity.
|
|
*
|
|
* @param capacity The capacity of the replacement buffer, in bytes.
|
|
* @return True if the buffer was replaced. False otherwise.
|
|
*/
|
|
public boolean replaceBuffer(int capacity) {
|
|
switch (bufferReplacementMode) {
|
|
case BUFFER_REPLACEMENT_MODE_NORMAL:
|
|
data = ByteBuffer.allocate(capacity);
|
|
return true;
|
|
case BUFFER_REPLACEMENT_MODE_DIRECT:
|
|
data = ByteBuffer.allocateDirect(capacity);
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
}
|