IoConstants.java

/*
 * RED5 Open Source Flash Server - http://code.google.com/p/red5/
 * 
 * Copyright 2006-2012 by respective authors (see below). All rights reserved.
 * 
 * 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 org.red5.io;

/**
 * Constants found in FLV files / streams.
 *
 */
public interface IoConstants {
	/**
	 * Video data
	 */
	public static final byte TYPE_VIDEO = 0x09;

	/**
	 * Audio data
	 */
	public static final byte TYPE_AUDIO = 0x08;

	/**
	 * Metadata
	 */
	public static final byte TYPE_METADATA = 0x12;

	/**
	 * Encryption
	 */
	public static final byte TYPE_ENCRYPTED = 0x20;

	/**
	 * Encrypted audio data
	 */
	public static final byte TYPE_ENCRYPTED_AUDIO = TYPE_AUDIO + TYPE_ENCRYPTED;

	/**
	 * Encrypted video data
	 */
	public static final byte TYPE_ENCRYPTED_VIDEO = TYPE_VIDEO + TYPE_ENCRYPTED;

	/**
	 * Encrypted meta data
	 */
	public static final byte TYPE_ENCRYPTED_METADATA = TYPE_METADATA + TYPE_ENCRYPTED;

	/**
	 * Mask sound type
	 */
	public static final byte MASK_SOUND_TYPE = 0x01;

	/**
	 * Mono mode
	 */
	public static final byte FLAG_TYPE_MONO = 0x00;

	/**
	 * Stereo mode
	 */
	public static final byte FLAG_TYPE_STEREO = 0x01;

	/**
	 * Mask sound size
	 */
	public static final byte MASK_SOUND_SIZE = 0x02;

	/**
	 * 8 bit flag size
	 */
	public static final byte FLAG_SIZE_8_BIT = 0x00;

	/**
	 * 16 bit flag size
	 */
	public static final byte FLAG_SIZE_16_BIT = 0x01;

	/**
	 * Mask sound rate
	 */
	public static final byte MASK_SOUND_RATE = 0x0C;

	/**
	 * 5.5 KHz rate flag
	 */
	public static final byte FLAG_RATE_5_5_KHZ = 0x00;

	/**
	 * 11 KHz rate flag
	 */
	public static final byte FLAG_RATE_11_KHZ = 0x01;

	/**
	 * 22 KHz rate flag
	 */
	public static final byte FLAG_RATE_22_KHZ = 0x02;

	/**
	 * 44 KHz rate flag
	 */
	public static final byte FLAG_RATE_44_KHZ = 0x03;

	/**
	 * 48 KHz rate flag
	 */
	public static final byte FLAG_RATE_48_KHZ = 0x04;

	/**
	 * Mask sound format (unsigned)
	 */
	public static final int MASK_SOUND_FORMAT = 0xf0;

	/**
	 * Raw data format flag
	 */
	public static final byte FLAG_FORMAT_RAW = 0x00;

	/**
	 * ADPCM format flag
	 */
	public static final byte FLAG_FORMAT_ADPCM = 0x01;

	/**
	 * MP3 format flag
	 */
	public static final byte FLAG_FORMAT_MP3 = 0x02;

	/**
	 * 8 KHz NellyMoser audio format flag
	 */
	public static final byte FLAG_FORMAT_NELLYMOSER_8_KHZ = 0x05;

	/**
	 * NellyMoser-encoded audio format flag
	 */
	public static final byte FLAG_FORMAT_NELLYMOSER = 0x06;

	/**
	 * Mask video codec
	 */
	public static final byte MASK_VIDEO_CODEC = 0x0F;

	/**
	 * H263 codec flag
	 */
	public static final byte FLAG_CODEC_H263 = 0x02;

	/**
	 * Screen codec flag
	 */
	public static final byte FLAG_CODEC_SCREEN = 0x03;

	/**
	 * On2 VP6 codec flag
	 */
	public static final byte FLAG_CODEC_VP6 = 0x04;

	/**
	 * Video frametype flag
	 */
	public static final int MASK_VIDEO_FRAMETYPE = 0xf0;

	/**
	 * Keyframe type flag
	 */
	public static final byte FLAG_FRAMETYPE_KEYFRAME = 0x01;

	/**
	 * Interframe flag. Interframes are created from keyframes rather than independent image
	 */
	public static final byte FLAG_FRAMETYPE_INTERFRAME = 0x02;

	/**
	 * Disposable frame type flag
	 */
	public static final byte FLAG_FRAMETYPE_DISPOSABLE = 0x03;

	/**
	 * Generated keyframe type flag
	 */
	public static final byte FLAG_FRAMETYPE_GENERATED_KEYFRAME = 0x04;

	/**
	 * Info frame type flag
	 */
	public static final byte FLAG_FRAMETYPE_INFO = 0x05;

	public static final byte AVC_PACKET_TYPE_SEQUENCE_HEADER = 0x00;

	public static final byte AVC_PACKET_TYPE_NALU = 0x01;

	public static final byte AVC_PACKET_TYPE_END_OF_SEQUENCE = 0x02;

	public static final byte INFO_PACKET_SEEK_START = 0x00;

	public static final byte INFO_PACKET_SEEK_END = 0x01;

}