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c99250d9c5
- Use same constant for unknown/unset microsecond times/durations. - Change constant values to be nowhere near the "normal" range. - Misc cleanup. ------------- Created by MOE: https://github.com/google/moe MOE_MIGRATED_REVID=119944019
149 lines
4 KiB
Java
149 lines
4 KiB
Java
/*
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* Copyright (C) 2014 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.google.android.exoplayer;
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import com.google.android.exoplayer.util.Util;
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import android.media.AudioFormat;
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import android.media.MediaCodec;
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/**
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* Defines constants that are generally useful throughout the library.
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*/
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public final class C {
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/**
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* Special microsecond constant representing the end of a source.
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*/
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public static final long END_OF_SOURCE_US = Long.MIN_VALUE;
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/**
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* Special microsecond constant representing an unset or unknown time or duration.
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*/
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public static final long UNSET_TIME_US = Long.MIN_VALUE + 1;
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/**
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* The number of microseconds in one second.
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*/
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public static final long MICROS_PER_SECOND = 1000000L;
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/**
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* Represents an unbounded length of data.
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*/
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public static final int LENGTH_UNBOUNDED = -1;
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/**
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* The name of the UTF-8 charset.
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*/
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public static final String UTF8_NAME = "UTF-8";
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/**
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* @see MediaCodec#CRYPTO_MODE_AES_CTR
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*/
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@SuppressWarnings("InlinedApi")
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public static final int CRYPTO_MODE_AES_CTR = MediaCodec.CRYPTO_MODE_AES_CTR;
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/**
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* @see AudioFormat#ENCODING_AC3
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*/
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@SuppressWarnings("InlinedApi")
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public static final int ENCODING_AC3 = AudioFormat.ENCODING_AC3;
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/**
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* @see AudioFormat#ENCODING_E_AC3
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*/
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@SuppressWarnings("InlinedApi")
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public static final int ENCODING_E_AC3 = AudioFormat.ENCODING_E_AC3;
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/**
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* @see AudioFormat#ENCODING_DTS
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*/
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@SuppressWarnings("InlinedApi")
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public static final int ENCODING_DTS = AudioFormat.ENCODING_DTS;
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/**
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* @see AudioFormat#ENCODING_DTS_HD
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*/
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@SuppressWarnings("InlinedApi")
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public static final int ENCODING_DTS_HD = AudioFormat.ENCODING_DTS_HD;
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/**
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* @see AudioFormat#CHANNEL_OUT_7POINT1_SURROUND
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*/
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@SuppressWarnings({"InlinedApi", "deprecation"})
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public static final int CHANNEL_OUT_7POINT1_SURROUND = Util.SDK_INT < 23
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? AudioFormat.CHANNEL_OUT_7POINT1 : AudioFormat.CHANNEL_OUT_7POINT1_SURROUND;
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/**
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* Indicates that a buffer holds a synchronization sample.
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*/
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@SuppressWarnings("InlinedApi")
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public static final int BUFFER_FLAG_KEY_FRAME = MediaCodec.BUFFER_FLAG_KEY_FRAME;
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/**
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* Flag for empty buffers that signal that the end of the stream was reached.
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*/
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@SuppressWarnings("InlinedApi")
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public static final int BUFFER_FLAG_END_OF_STREAM = MediaCodec.BUFFER_FLAG_END_OF_STREAM;
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/**
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* Indicates that a buffer is (at least partially) encrypted.
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*/
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public static final int BUFFER_FLAG_ENCRYPTED = 0x40000000;
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/**
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* Indicates that a buffer should be decoded but not rendered.
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*/
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public static final int BUFFER_FLAG_DECODE_ONLY = 0x80000000;
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/**
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* A return value for methods where the end of an input was encountered.
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*/
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public static final int RESULT_END_OF_INPUT = -1;
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/**
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* A return value for methods where the length of parsed data exceeds the maximum length allowed.
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*/
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public static final int RESULT_MAX_LENGTH_EXCEEDED = -2;
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/**
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* A type constant for tracks of unknown type.
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*/
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public static final int TRACK_TYPE_UNKNOWN = -1;
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/**
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* A type constant for tracks of some default type, where the type itself is unknown.
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*/
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public static final int TRACK_TYPE_DEFAULT = 0;
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/**
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* A type constant for audio tracks.
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*/
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public static final int TRACK_TYPE_AUDIO = 1;
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/**
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* A type constant for video tracks.
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*/
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public static final int TRACK_TYPE_VIDEO = 2;
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/**
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* A type constant for text tracks.
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*/
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public static final int TRACK_TYPE_TEXT = 3;
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private C() {}
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}
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