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Where multiple messages are required to be sent in order to perform a player reconfiguration, it will usually be desirable to process all messages in a single "transaction" (i.e. without any rendering happening when only some of the messages have been applied). ------------- Created by MOE: https://github.com/google/moe MOE_MIGRATED_REVID=123228334
260 lines
6.9 KiB
Java
260 lines
6.9 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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import android.view.Surface;
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import java.util.UUID;
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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 interface 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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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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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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long MICROS_PER_SECOND = 1000000L;
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/**
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* The number of nanoseconds in one second.
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*/
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public static final long NANOS_PER_SECOND = 1000000000L;
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/**
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* Represents an unbounded length of data.
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*/
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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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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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int CRYPTO_MODE_AES_CTR = MediaCodec.CRYPTO_MODE_AES_CTR;
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/**
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* @see AudioFormat#ENCODING_INVALID
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*/
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int ENCODING_INVALID = AudioFormat.ENCODING_INVALID;
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/**
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* @see AudioFormat#ENCODING_PCM_8BIT
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*/
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int ENCODING_PCM_8BIT = AudioFormat.ENCODING_PCM_8BIT;
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/**
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* @see AudioFormat#ENCODING_PCM_16BIT
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*/
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int ENCODING_PCM_16BIT = AudioFormat.ENCODING_PCM_16BIT;
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/**
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* PCM encoding with 24 bits per sample.
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*/
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int ENCODING_PCM_24BIT = 0x80000000;
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/**
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* PCM encoding with 32 bits per sample.
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*/
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int ENCODING_PCM_32BIT = 0x40000000;
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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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int TRACK_TYPE_TEXT = 3;
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/**
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* A type constant for metadata tracks.
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*/
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int TRACK_TYPE_METADATA = 4;
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/**
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* A default size in bytes for an individual allocation that forms part of a larger buffer.
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*/
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int DEFAULT_BUFFER_SEGMENT_SIZE = 64 * 1024;
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/**
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* A default size in bytes for a video buffer.
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*/
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int DEFAULT_VIDEO_BUFFER_SIZE = 200 * DEFAULT_BUFFER_SEGMENT_SIZE;
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/**
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* A default size in bytes for an audio buffer.
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*/
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int DEFAULT_AUDIO_BUFFER_SIZE = 54 * DEFAULT_BUFFER_SEGMENT_SIZE;
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/**
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* A default size in bytes for a text buffer.
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*/
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int DEFAULT_TEXT_BUFFER_SIZE = 2 * DEFAULT_BUFFER_SEGMENT_SIZE;
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/**
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* A default size in bytes for a muxed buffer (e.g. containing video, audio and text).
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*/
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int DEFAULT_MUXED_BUFFER_SIZE = DEFAULT_VIDEO_BUFFER_SIZE
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+ DEFAULT_AUDIO_BUFFER_SIZE + DEFAULT_TEXT_BUFFER_SIZE;
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/**
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* The Nil UUID as defined by
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* <a href="https://tools.ietf.org/html/rfc4122#section-4.1.7">RFC4122</a>.
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*/
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UUID UUID_NIL = new UUID(0L, 0L);
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/**
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* UUID for the Widevine DRM scheme.
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* <p></p>
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* Widevine is supported on Android devices running Android 4.3 (API Level 18) and up.
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*/
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UUID WIDEVINE_UUID = new UUID(0xEDEF8BA979D64ACEL, 0xA3C827DCD51D21EDL);
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/**
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* UUID for the PlayReady DRM scheme.
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* <p>
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* PlayReady is supported on all AndroidTV devices. Note that most other Android devices do not
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* provide PlayReady support.
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*/
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UUID PLAYREADY_UUID = new UUID(0x9A04F07998404286L, 0xAB92E65BE0885F95L);
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/**
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* The type of a message that can be passed to a video {@link TrackRenderer} via
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* {@link ExoPlayer#sendMessages} or {@link ExoPlayer#blockingSendMessages}. The message object
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* should be the target {@link Surface}, or null.
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*/
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int MSG_SET_SURFACE = 1;
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/**
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* The type of a message that can be passed to an audio {@link TrackRenderer} via
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* {@link ExoPlayer#sendMessages} or {@link ExoPlayer#blockingSendMessages}. The message object
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* should be a {@link Float} with 0 being silence and 1 being unity gain.
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*/
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int MSG_SET_VOLUME = 2;
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/**
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* The type of a message that can be passed to an audio {@link TrackRenderer} via
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* {@link ExoPlayer#sendMessages} or {@link ExoPlayer#blockingSendMessages}. The message object
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* should be a {@link android.media.PlaybackParams}, which will be used to configure the
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* underlying {@link android.media.AudioTrack}. The message object should not be modified by the
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* caller after it has been passed
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*/
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int MSG_SET_PLAYBACK_PARAMS = 3;
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/**
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* A minimum value for custom {@link TrackRenderer} message types.
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*/
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int MSG_CUSTOM_BASE = 10000;
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}
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