Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
/*
 * Copyright (C) 2015 Yuya Tanaka
 *
 * 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.
 */

import java.nio.ByteBuffer;
import java.util.Arrays;

public class Main {
    private static final byte[] AVC_START_CODE_3 = { 0x00, 0x00, 0x01 };
    private static final byte[] AVC_START_CODE_4 = { 0x00, 0x00, 0x00, 0x01 };

    private static void skipStartCode(ByteBuffer prefixedSpsBuffer) {
        byte[] prefix3 = new byte[3];
        prefixedSpsBuffer.get(prefix3);
        if (Arrays.equals(prefix3, AVC_START_CODE_3))
            return;

        byte[] prefix4 = Arrays.copyOf(prefix3, 4);
        prefix4[3] = prefixedSpsBuffer.get();
        if (Arrays.equals(prefix4, AVC_START_CODE_4))
            return;
        throw new IllegalStateException("AVC NAL start code does not found in csd.");
    }
}