NekoX/TMessagesProj/src/main/java/com/google/android/exoplayer2/C.java

1165 lines
45 KiB
Java

/*
* Copyright (C) 2016 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.exoplayer2;
import android.annotation.TargetApi;
import android.content.Context;
import android.media.AudioAttributes;
import android.media.AudioFormat;
import android.media.AudioManager;
import android.media.MediaCodec;
import android.media.MediaFormat;
import android.view.Surface;
import androidx.annotation.IntDef;
import com.google.android.exoplayer2.PlayerMessage.Target;
import com.google.android.exoplayer2.audio.AuxEffectInfo;
import com.google.android.exoplayer2.util.Util;
import com.google.android.exoplayer2.video.SimpleDecoderVideoRenderer;
import com.google.android.exoplayer2.video.VideoDecoderOutputBufferRenderer;
import com.google.android.exoplayer2.video.VideoFrameMetadataListener;
import com.google.android.exoplayer2.video.spherical.CameraMotionListener;
import java.lang.annotation.Documented;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.util.UUID;
/**
* Defines constants used by the library.
*/
@SuppressWarnings("InlinedApi")
public final class C {
private C() {}
/**
* Special constant representing a time corresponding to the end of a source. Suitable for use in
* any time base.
*/
public static final long TIME_END_OF_SOURCE = Long.MIN_VALUE;
/**
* Special constant representing an unset or unknown time or duration. Suitable for use in any
* time base.
*/
public static final long TIME_UNSET = Long.MIN_VALUE + 1;
/**
* Represents an unset or unknown index.
*/
public static final int INDEX_UNSET = -1;
/**
* Represents an unset or unknown position.
*/
public static final int POSITION_UNSET = -1;
/**
* Represents an unset or unknown length.
*/
public static final int LENGTH_UNSET = -1;
/** Represents an unset or unknown percentage. */
public static final int PERCENTAGE_UNSET = -1;
/** The number of milliseconds in one second. */
public static final long MILLIS_PER_SECOND = 1000L;
/** The number of microseconds in one second. */
public static final long MICROS_PER_SECOND = 1000000L;
/**
* The number of nanoseconds in one second.
*/
public static final long NANOS_PER_SECOND = 1000000000L;
/** The number of bits per byte. */
public static final int BITS_PER_BYTE = 8;
/** The number of bytes per float. */
public static final int BYTES_PER_FLOAT = 4;
/**
* The name of the ASCII charset.
*/
public static final String ASCII_NAME = "US-ASCII";
/**
* The name of the UTF-8 charset.
*/
public static final String UTF8_NAME = "UTF-8";
/** The name of the ISO-8859-1 charset. */
public static final String ISO88591_NAME = "ISO-8859-1";
/** The name of the UTF-16 charset. */
public static final String UTF16_NAME = "UTF-16";
/** The name of the UTF-16 little-endian charset. */
public static final String UTF16LE_NAME = "UTF-16LE";
/**
* The name of the serif font family.
*/
public static final String SERIF_NAME = "serif";
/**
* The name of the sans-serif font family.
*/
public static final String SANS_SERIF_NAME = "sans-serif";
/**
* Crypto modes for a codec. One of {@link #CRYPTO_MODE_UNENCRYPTED}, {@link #CRYPTO_MODE_AES_CTR}
* or {@link #CRYPTO_MODE_AES_CBC}.
*/
@Documented
@Retention(RetentionPolicy.SOURCE)
@IntDef({CRYPTO_MODE_UNENCRYPTED, CRYPTO_MODE_AES_CTR, CRYPTO_MODE_AES_CBC})
public @interface CryptoMode {}
/**
* @see MediaCodec#CRYPTO_MODE_UNENCRYPTED
*/
public static final int CRYPTO_MODE_UNENCRYPTED = MediaCodec.CRYPTO_MODE_UNENCRYPTED;
/**
* @see MediaCodec#CRYPTO_MODE_AES_CTR
*/
public static final int CRYPTO_MODE_AES_CTR = MediaCodec.CRYPTO_MODE_AES_CTR;
/**
* @see MediaCodec#CRYPTO_MODE_AES_CBC
*/
public static final int CRYPTO_MODE_AES_CBC = MediaCodec.CRYPTO_MODE_AES_CBC;
/**
* Represents an unset {@link android.media.AudioTrack} session identifier. Equal to
* {@link AudioManager#AUDIO_SESSION_ID_GENERATE}.
*/
public static final int AUDIO_SESSION_ID_UNSET = AudioManager.AUDIO_SESSION_ID_GENERATE;
/**
* Represents an audio encoding, or an invalid or unset value. One of {@link Format#NO_VALUE},
* {@link #ENCODING_INVALID}, {@link #ENCODING_PCM_8BIT}, {@link #ENCODING_PCM_16BIT}, {@link
* #ENCODING_PCM_16BIT_BIG_ENDIAN}, {@link #ENCODING_PCM_24BIT}, {@link #ENCODING_PCM_32BIT},
* {@link #ENCODING_PCM_FLOAT}, {@link #ENCODING_MP3}, {@link #ENCODING_AC3}, {@link
* #ENCODING_E_AC3}, {@link #ENCODING_E_AC3_JOC}, {@link #ENCODING_AC4}, {@link #ENCODING_DTS},
* {@link #ENCODING_DTS_HD} or {@link #ENCODING_DOLBY_TRUEHD}.
*/
@Documented
@Retention(RetentionPolicy.SOURCE)
@IntDef({
Format.NO_VALUE,
ENCODING_INVALID,
ENCODING_PCM_8BIT,
ENCODING_PCM_16BIT,
ENCODING_PCM_16BIT_BIG_ENDIAN,
ENCODING_PCM_24BIT,
ENCODING_PCM_32BIT,
ENCODING_PCM_FLOAT,
ENCODING_MP3,
ENCODING_AC3,
ENCODING_E_AC3,
ENCODING_E_AC3_JOC,
ENCODING_AC4,
ENCODING_DTS,
ENCODING_DTS_HD,
ENCODING_DOLBY_TRUEHD
})
public @interface Encoding {}
/**
* Represents a PCM audio encoding, or an invalid or unset value. One of {@link Format#NO_VALUE},
* {@link #ENCODING_INVALID}, {@link #ENCODING_PCM_8BIT}, {@link #ENCODING_PCM_16BIT}, {@link
* #ENCODING_PCM_16BIT_BIG_ENDIAN}, {@link #ENCODING_PCM_24BIT}, {@link #ENCODING_PCM_32BIT},
* {@link #ENCODING_PCM_FLOAT}.
*/
@Documented
@Retention(RetentionPolicy.SOURCE)
@IntDef({
Format.NO_VALUE,
ENCODING_INVALID,
ENCODING_PCM_8BIT,
ENCODING_PCM_16BIT,
ENCODING_PCM_16BIT_BIG_ENDIAN,
ENCODING_PCM_24BIT,
ENCODING_PCM_32BIT,
ENCODING_PCM_FLOAT
})
public @interface PcmEncoding {}
/** @see AudioFormat#ENCODING_INVALID */
public static final int ENCODING_INVALID = AudioFormat.ENCODING_INVALID;
/** @see AudioFormat#ENCODING_PCM_8BIT */
public static final int ENCODING_PCM_8BIT = AudioFormat.ENCODING_PCM_8BIT;
/** @see AudioFormat#ENCODING_PCM_16BIT */
public static final int ENCODING_PCM_16BIT = AudioFormat.ENCODING_PCM_16BIT;
/** Like {@link #ENCODING_PCM_16BIT}, but with the bytes in big endian order. */
public static final int ENCODING_PCM_16BIT_BIG_ENDIAN = 0x10000000;
/** PCM encoding with 24 bits per sample. */
public static final int ENCODING_PCM_24BIT = 0x20000000;
/** PCM encoding with 32 bits per sample. */
public static final int ENCODING_PCM_32BIT = 0x30000000;
/** @see AudioFormat#ENCODING_PCM_FLOAT */
public static final int ENCODING_PCM_FLOAT = AudioFormat.ENCODING_PCM_FLOAT;
/** @see AudioFormat#ENCODING_MP3 */
public static final int ENCODING_MP3 = AudioFormat.ENCODING_MP3;
/** @see AudioFormat#ENCODING_AC3 */
public static final int ENCODING_AC3 = AudioFormat.ENCODING_AC3;
/** @see AudioFormat#ENCODING_E_AC3 */
public static final int ENCODING_E_AC3 = AudioFormat.ENCODING_E_AC3;
/** @see AudioFormat#ENCODING_E_AC3_JOC */
public static final int ENCODING_E_AC3_JOC = AudioFormat.ENCODING_E_AC3_JOC;
/** @see AudioFormat#ENCODING_AC4 */
public static final int ENCODING_AC4 = AudioFormat.ENCODING_AC4;
/** @see AudioFormat#ENCODING_DTS */
public static final int ENCODING_DTS = AudioFormat.ENCODING_DTS;
/** @see AudioFormat#ENCODING_DTS_HD */
public static final int ENCODING_DTS_HD = AudioFormat.ENCODING_DTS_HD;
/** @see AudioFormat#ENCODING_DOLBY_TRUEHD */
public static final int ENCODING_DOLBY_TRUEHD = AudioFormat.ENCODING_DOLBY_TRUEHD;
/**
* Stream types for an {@link android.media.AudioTrack}. One of {@link #STREAM_TYPE_ALARM}, {@link
* #STREAM_TYPE_DTMF}, {@link #STREAM_TYPE_MUSIC}, {@link #STREAM_TYPE_NOTIFICATION}, {@link
* #STREAM_TYPE_RING}, {@link #STREAM_TYPE_SYSTEM}, {@link #STREAM_TYPE_VOICE_CALL} or {@link
* #STREAM_TYPE_USE_DEFAULT}.
*/
@Documented
@Retention(RetentionPolicy.SOURCE)
@IntDef({
STREAM_TYPE_ALARM,
STREAM_TYPE_DTMF,
STREAM_TYPE_MUSIC,
STREAM_TYPE_NOTIFICATION,
STREAM_TYPE_RING,
STREAM_TYPE_SYSTEM,
STREAM_TYPE_VOICE_CALL,
STREAM_TYPE_USE_DEFAULT
})
public @interface StreamType {}
/**
* @see AudioManager#STREAM_ALARM
*/
public static final int STREAM_TYPE_ALARM = AudioManager.STREAM_ALARM;
/**
* @see AudioManager#STREAM_DTMF
*/
public static final int STREAM_TYPE_DTMF = AudioManager.STREAM_DTMF;
/**
* @see AudioManager#STREAM_MUSIC
*/
public static final int STREAM_TYPE_MUSIC = AudioManager.STREAM_MUSIC;
/**
* @see AudioManager#STREAM_NOTIFICATION
*/
public static final int STREAM_TYPE_NOTIFICATION = AudioManager.STREAM_NOTIFICATION;
/**
* @see AudioManager#STREAM_RING
*/
public static final int STREAM_TYPE_RING = AudioManager.STREAM_RING;
/**
* @see AudioManager#STREAM_SYSTEM
*/
public static final int STREAM_TYPE_SYSTEM = AudioManager.STREAM_SYSTEM;
/**
* @see AudioManager#STREAM_VOICE_CALL
*/
public static final int STREAM_TYPE_VOICE_CALL = AudioManager.STREAM_VOICE_CALL;
/**
* @see AudioManager#USE_DEFAULT_STREAM_TYPE
*/
public static final int STREAM_TYPE_USE_DEFAULT = AudioManager.USE_DEFAULT_STREAM_TYPE;
/**
* The default stream type used by audio renderers.
*/
public static final int STREAM_TYPE_DEFAULT = STREAM_TYPE_MUSIC;
/**
* Content types for {@link com.google.android.exoplayer2.audio.AudioAttributes}. One of {@link
* #CONTENT_TYPE_MOVIE}, {@link #CONTENT_TYPE_MUSIC}, {@link #CONTENT_TYPE_SONIFICATION}, {@link
* #CONTENT_TYPE_SPEECH} or {@link #CONTENT_TYPE_UNKNOWN}.
*/
@Documented
@Retention(RetentionPolicy.SOURCE)
@IntDef({
CONTENT_TYPE_MOVIE,
CONTENT_TYPE_MUSIC,
CONTENT_TYPE_SONIFICATION,
CONTENT_TYPE_SPEECH,
CONTENT_TYPE_UNKNOWN
})
public @interface AudioContentType {}
/**
* @see android.media.AudioAttributes#CONTENT_TYPE_MOVIE
*/
public static final int CONTENT_TYPE_MOVIE = android.media.AudioAttributes.CONTENT_TYPE_MOVIE;
/**
* @see android.media.AudioAttributes#CONTENT_TYPE_MUSIC
*/
public static final int CONTENT_TYPE_MUSIC = android.media.AudioAttributes.CONTENT_TYPE_MUSIC;
/**
* @see android.media.AudioAttributes#CONTENT_TYPE_SONIFICATION
*/
public static final int CONTENT_TYPE_SONIFICATION =
android.media.AudioAttributes.CONTENT_TYPE_SONIFICATION;
/**
* @see android.media.AudioAttributes#CONTENT_TYPE_SPEECH
*/
public static final int CONTENT_TYPE_SPEECH =
android.media.AudioAttributes.CONTENT_TYPE_SPEECH;
/**
* @see android.media.AudioAttributes#CONTENT_TYPE_UNKNOWN
*/
public static final int CONTENT_TYPE_UNKNOWN =
android.media.AudioAttributes.CONTENT_TYPE_UNKNOWN;
/**
* Flags for {@link com.google.android.exoplayer2.audio.AudioAttributes}. Possible flag value is
* {@link #FLAG_AUDIBILITY_ENFORCED}.
*
* <p>Note that {@code FLAG_HW_AV_SYNC} is not available because the player takes care of setting
* the flag when tunneling is enabled via a track selector.
*/
@Documented
@Retention(RetentionPolicy.SOURCE)
@IntDef(
flag = true,
value = {FLAG_AUDIBILITY_ENFORCED})
public @interface AudioFlags {}
/**
* @see android.media.AudioAttributes#FLAG_AUDIBILITY_ENFORCED
*/
public static final int FLAG_AUDIBILITY_ENFORCED =
android.media.AudioAttributes.FLAG_AUDIBILITY_ENFORCED;
/**
* Usage types for {@link com.google.android.exoplayer2.audio.AudioAttributes}. One of {@link
* #USAGE_ALARM}, {@link #USAGE_ASSISTANCE_ACCESSIBILITY}, {@link
* #USAGE_ASSISTANCE_NAVIGATION_GUIDANCE}, {@link #USAGE_ASSISTANCE_SONIFICATION}, {@link
* #USAGE_ASSISTANT}, {@link #USAGE_GAME}, {@link #USAGE_MEDIA}, {@link #USAGE_NOTIFICATION},
* {@link #USAGE_NOTIFICATION_COMMUNICATION_DELAYED}, {@link
* #USAGE_NOTIFICATION_COMMUNICATION_INSTANT}, {@link #USAGE_NOTIFICATION_COMMUNICATION_REQUEST},
* {@link #USAGE_NOTIFICATION_EVENT}, {@link #USAGE_NOTIFICATION_RINGTONE}, {@link
* #USAGE_UNKNOWN}, {@link #USAGE_VOICE_COMMUNICATION} or {@link
* #USAGE_VOICE_COMMUNICATION_SIGNALLING}.
*/
@Documented
@Retention(RetentionPolicy.SOURCE)
@IntDef({
USAGE_ALARM,
USAGE_ASSISTANCE_ACCESSIBILITY,
USAGE_ASSISTANCE_NAVIGATION_GUIDANCE,
USAGE_ASSISTANCE_SONIFICATION,
USAGE_ASSISTANT,
USAGE_GAME,
USAGE_MEDIA,
USAGE_NOTIFICATION,
USAGE_NOTIFICATION_COMMUNICATION_DELAYED,
USAGE_NOTIFICATION_COMMUNICATION_INSTANT,
USAGE_NOTIFICATION_COMMUNICATION_REQUEST,
USAGE_NOTIFICATION_EVENT,
USAGE_NOTIFICATION_RINGTONE,
USAGE_UNKNOWN,
USAGE_VOICE_COMMUNICATION,
USAGE_VOICE_COMMUNICATION_SIGNALLING
})
public @interface AudioUsage {}
/**
* @see android.media.AudioAttributes#USAGE_ALARM
*/
public static final int USAGE_ALARM = android.media.AudioAttributes.USAGE_ALARM;
/** @see android.media.AudioAttributes#USAGE_ASSISTANCE_ACCESSIBILITY */
public static final int USAGE_ASSISTANCE_ACCESSIBILITY =
android.media.AudioAttributes.USAGE_ASSISTANCE_ACCESSIBILITY;
/**
* @see android.media.AudioAttributes#USAGE_ASSISTANCE_NAVIGATION_GUIDANCE
*/
public static final int USAGE_ASSISTANCE_NAVIGATION_GUIDANCE =
android.media.AudioAttributes.USAGE_ASSISTANCE_NAVIGATION_GUIDANCE;
/**
* @see android.media.AudioAttributes#USAGE_ASSISTANCE_SONIFICATION
*/
public static final int USAGE_ASSISTANCE_SONIFICATION =
android.media.AudioAttributes.USAGE_ASSISTANCE_SONIFICATION;
/** @see android.media.AudioAttributes#USAGE_ASSISTANT */
public static final int USAGE_ASSISTANT = android.media.AudioAttributes.USAGE_ASSISTANT;
/**
* @see android.media.AudioAttributes#USAGE_GAME
*/
public static final int USAGE_GAME = android.media.AudioAttributes.USAGE_GAME;
/**
* @see android.media.AudioAttributes#USAGE_MEDIA
*/
public static final int USAGE_MEDIA = android.media.AudioAttributes.USAGE_MEDIA;
/**
* @see android.media.AudioAttributes#USAGE_NOTIFICATION
*/
public static final int USAGE_NOTIFICATION = android.media.AudioAttributes.USAGE_NOTIFICATION;
/**
* @see android.media.AudioAttributes#USAGE_NOTIFICATION_COMMUNICATION_DELAYED
*/
public static final int USAGE_NOTIFICATION_COMMUNICATION_DELAYED =
android.media.AudioAttributes.USAGE_NOTIFICATION_COMMUNICATION_DELAYED;
/**
* @see android.media.AudioAttributes#USAGE_NOTIFICATION_COMMUNICATION_INSTANT
*/
public static final int USAGE_NOTIFICATION_COMMUNICATION_INSTANT =
android.media.AudioAttributes.USAGE_NOTIFICATION_COMMUNICATION_INSTANT;
/**
* @see android.media.AudioAttributes#USAGE_NOTIFICATION_COMMUNICATION_REQUEST
*/
public static final int USAGE_NOTIFICATION_COMMUNICATION_REQUEST =
android.media.AudioAttributes.USAGE_NOTIFICATION_COMMUNICATION_REQUEST;
/**
* @see android.media.AudioAttributes#USAGE_NOTIFICATION_EVENT
*/
public static final int USAGE_NOTIFICATION_EVENT =
android.media.AudioAttributes.USAGE_NOTIFICATION_EVENT;
/**
* @see android.media.AudioAttributes#USAGE_NOTIFICATION_RINGTONE
*/
public static final int USAGE_NOTIFICATION_RINGTONE =
android.media.AudioAttributes.USAGE_NOTIFICATION_RINGTONE;
/**
* @see android.media.AudioAttributes#USAGE_UNKNOWN
*/
public static final int USAGE_UNKNOWN = android.media.AudioAttributes.USAGE_UNKNOWN;
/**
* @see android.media.AudioAttributes#USAGE_VOICE_COMMUNICATION
*/
public static final int USAGE_VOICE_COMMUNICATION =
android.media.AudioAttributes.USAGE_VOICE_COMMUNICATION;
/**
* @see android.media.AudioAttributes#USAGE_VOICE_COMMUNICATION_SIGNALLING
*/
public static final int USAGE_VOICE_COMMUNICATION_SIGNALLING =
android.media.AudioAttributes.USAGE_VOICE_COMMUNICATION_SIGNALLING;
/**
* Capture policies for {@link com.google.android.exoplayer2.audio.AudioAttributes}. One of {@link
* #ALLOW_CAPTURE_BY_ALL}, {@link #ALLOW_CAPTURE_BY_NONE} or {@link #ALLOW_CAPTURE_BY_SYSTEM}.
*/
@Documented
@Retention(RetentionPolicy.SOURCE)
@IntDef({ALLOW_CAPTURE_BY_ALL, ALLOW_CAPTURE_BY_NONE, ALLOW_CAPTURE_BY_SYSTEM})
public @interface AudioAllowedCapturePolicy {}
/** See {@link android.media.AudioAttributes#ALLOW_CAPTURE_BY_ALL}. */
public static final int ALLOW_CAPTURE_BY_ALL = AudioAttributes.ALLOW_CAPTURE_BY_ALL;
/** See {@link android.media.AudioAttributes#ALLOW_CAPTURE_BY_NONE}. */
public static final int ALLOW_CAPTURE_BY_NONE = AudioAttributes.ALLOW_CAPTURE_BY_NONE;
/** See {@link android.media.AudioAttributes#ALLOW_CAPTURE_BY_SYSTEM}. */
public static final int ALLOW_CAPTURE_BY_SYSTEM = AudioAttributes.ALLOW_CAPTURE_BY_SYSTEM;
/**
* Audio focus types. One of {@link #AUDIOFOCUS_NONE}, {@link #AUDIOFOCUS_GAIN}, {@link
* #AUDIOFOCUS_GAIN_TRANSIENT}, {@link #AUDIOFOCUS_GAIN_TRANSIENT_MAY_DUCK} or {@link
* #AUDIOFOCUS_GAIN_TRANSIENT_EXCLUSIVE}.
*/
@Documented
@Retention(RetentionPolicy.SOURCE)
@IntDef({
AUDIOFOCUS_NONE,
AUDIOFOCUS_GAIN,
AUDIOFOCUS_GAIN_TRANSIENT,
AUDIOFOCUS_GAIN_TRANSIENT_MAY_DUCK,
AUDIOFOCUS_GAIN_TRANSIENT_EXCLUSIVE
})
public @interface AudioFocusGain {}
/** @see AudioManager#AUDIOFOCUS_NONE */
public static final int AUDIOFOCUS_NONE = AudioManager.AUDIOFOCUS_NONE;
/** @see AudioManager#AUDIOFOCUS_GAIN */
public static final int AUDIOFOCUS_GAIN = AudioManager.AUDIOFOCUS_GAIN;
/** @see AudioManager#AUDIOFOCUS_GAIN_TRANSIENT */
public static final int AUDIOFOCUS_GAIN_TRANSIENT = AudioManager.AUDIOFOCUS_GAIN_TRANSIENT;
/** @see AudioManager#AUDIOFOCUS_GAIN_TRANSIENT_MAY_DUCK */
public static final int AUDIOFOCUS_GAIN_TRANSIENT_MAY_DUCK =
AudioManager.AUDIOFOCUS_GAIN_TRANSIENT_MAY_DUCK;
/** @see AudioManager#AUDIOFOCUS_GAIN_TRANSIENT_EXCLUSIVE */
public static final int AUDIOFOCUS_GAIN_TRANSIENT_EXCLUSIVE =
AudioManager.AUDIOFOCUS_GAIN_TRANSIENT_EXCLUSIVE;
/**
* Flags which can apply to a buffer containing a media sample. Possible flag values are {@link
* #BUFFER_FLAG_KEY_FRAME}, {@link #BUFFER_FLAG_END_OF_STREAM}, {@link #BUFFER_FLAG_LAST_SAMPLE},
* {@link #BUFFER_FLAG_ENCRYPTED} and {@link #BUFFER_FLAG_DECODE_ONLY}.
*/
@Documented
@Retention(RetentionPolicy.SOURCE)
@IntDef(
flag = true,
value = {
BUFFER_FLAG_KEY_FRAME,
BUFFER_FLAG_END_OF_STREAM,
BUFFER_FLAG_HAS_SUPPLEMENTAL_DATA,
BUFFER_FLAG_LAST_SAMPLE,
BUFFER_FLAG_ENCRYPTED,
BUFFER_FLAG_DECODE_ONLY
})
public @interface BufferFlags {}
/**
* Indicates that a buffer holds a synchronization sample.
*/
public static final int BUFFER_FLAG_KEY_FRAME = MediaCodec.BUFFER_FLAG_KEY_FRAME;
/**
* Flag for empty buffers that signal that the end of the stream was reached.
*/
public static final int BUFFER_FLAG_END_OF_STREAM = MediaCodec.BUFFER_FLAG_END_OF_STREAM;
/** Indicates that a buffer has supplemental data. */
public static final int BUFFER_FLAG_HAS_SUPPLEMENTAL_DATA = 1 << 28; // 0x10000000
/** Indicates that a buffer is known to contain the last media sample of the stream. */
public static final int BUFFER_FLAG_LAST_SAMPLE = 1 << 29; // 0x20000000
/** Indicates that a buffer is (at least partially) encrypted. */
public static final int BUFFER_FLAG_ENCRYPTED = 1 << 30; // 0x40000000
/** Indicates that a buffer should be decoded but not rendered. */
public static final int BUFFER_FLAG_DECODE_ONLY = 1 << 31; // 0x80000000
// LINT.IfChange
/**
* Video decoder output modes. Possible modes are {@link #VIDEO_OUTPUT_MODE_NONE}, {@link
* #VIDEO_OUTPUT_MODE_YUV} and {@link #VIDEO_OUTPUT_MODE_SURFACE_YUV}.
*/
@Documented
@Retention(RetentionPolicy.SOURCE)
@IntDef(value = {VIDEO_OUTPUT_MODE_NONE, VIDEO_OUTPUT_MODE_YUV, VIDEO_OUTPUT_MODE_SURFACE_YUV})
public @interface VideoOutputMode {}
/** Video decoder output mode is not set. */
public static final int VIDEO_OUTPUT_MODE_NONE = -1;
/** Video decoder output mode that outputs raw 4:2:0 YUV planes. */
public static final int VIDEO_OUTPUT_MODE_YUV = 0;
/** Video decoder output mode that renders 4:2:0 YUV planes directly to a surface. */
public static final int VIDEO_OUTPUT_MODE_SURFACE_YUV = 1;
// LINT.ThenChange(
// ../../../../../../../../../extensions/av1/src/main/jni/gav1_jni.cc,
// ../../../../../../../../../extensions/vp9/src/main/jni/vpx_jni.cc
// )
/**
* Video scaling modes for {@link MediaCodec}-based {@link Renderer}s. One of {@link
* #VIDEO_SCALING_MODE_SCALE_TO_FIT} or {@link #VIDEO_SCALING_MODE_SCALE_TO_FIT_WITH_CROPPING}.
*/
@Documented
@Retention(RetentionPolicy.SOURCE)
@IntDef(value = {VIDEO_SCALING_MODE_SCALE_TO_FIT, VIDEO_SCALING_MODE_SCALE_TO_FIT_WITH_CROPPING})
public @interface VideoScalingMode {}
/**
* @see MediaCodec#VIDEO_SCALING_MODE_SCALE_TO_FIT
*/
public static final int VIDEO_SCALING_MODE_SCALE_TO_FIT =
MediaCodec.VIDEO_SCALING_MODE_SCALE_TO_FIT;
/**
* @see MediaCodec#VIDEO_SCALING_MODE_SCALE_TO_FIT
*/
public static final int VIDEO_SCALING_MODE_SCALE_TO_FIT_WITH_CROPPING =
MediaCodec.VIDEO_SCALING_MODE_SCALE_TO_FIT_WITH_CROPPING;
/**
* A default video scaling mode for {@link MediaCodec}-based {@link Renderer}s.
*/
public static final int VIDEO_SCALING_MODE_DEFAULT = VIDEO_SCALING_MODE_SCALE_TO_FIT;
/**
* Track selection flags. Possible flag values are {@link #SELECTION_FLAG_DEFAULT}, {@link
* #SELECTION_FLAG_FORCED} and {@link #SELECTION_FLAG_AUTOSELECT}.
*/
@Documented
@Retention(RetentionPolicy.SOURCE)
@IntDef(
flag = true,
value = {SELECTION_FLAG_DEFAULT, SELECTION_FLAG_FORCED, SELECTION_FLAG_AUTOSELECT})
public @interface SelectionFlags {}
/**
* Indicates that the track should be selected if user preferences do not state otherwise.
*/
public static final int SELECTION_FLAG_DEFAULT = 1;
/** Indicates that the track must be displayed. Only applies to text tracks. */
public static final int SELECTION_FLAG_FORCED = 1 << 1; // 2
/**
* Indicates that the player may choose to play the track in absence of an explicit user
* preference.
*/
public static final int SELECTION_FLAG_AUTOSELECT = 1 << 2; // 4
/** Represents an undetermined language as an ISO 639-2 language code. */
public static final String LANGUAGE_UNDETERMINED = "und";
/**
* Represents a streaming or other media type. One of {@link #TYPE_DASH}, {@link #TYPE_SS}, {@link
* #TYPE_HLS} or {@link #TYPE_OTHER}.
*/
@Documented
@Retention(RetentionPolicy.SOURCE)
@IntDef({TYPE_DASH, TYPE_SS, TYPE_HLS, TYPE_OTHER})
public @interface ContentType {}
/**
* Value returned by {@link Util#inferContentType(String)} for DASH manifests.
*/
public static final int TYPE_DASH = 0;
/**
* Value returned by {@link Util#inferContentType(String)} for Smooth Streaming manifests.
*/
public static final int TYPE_SS = 1;
/**
* Value returned by {@link Util#inferContentType(String)} for HLS manifests.
*/
public static final int TYPE_HLS = 2;
/**
* Value returned by {@link Util#inferContentType(String)} for files other than DASH, HLS or
* Smooth Streaming manifests.
*/
public static final int TYPE_OTHER = 3;
/**
* A return value for methods where the end of an input was encountered.
*/
public static final int RESULT_END_OF_INPUT = -1;
/**
* A return value for methods where the length of parsed data exceeds the maximum length allowed.
*/
public static final int RESULT_MAX_LENGTH_EXCEEDED = -2;
/**
* A return value for methods where nothing was read.
*/
public static final int RESULT_NOTHING_READ = -3;
/**
* A return value for methods where a buffer was read.
*/
public static final int RESULT_BUFFER_READ = -4;
/**
* A return value for methods where a format was read.
*/
public static final int RESULT_FORMAT_READ = -5;
/** A data type constant for data of unknown or unspecified type. */
public static final int DATA_TYPE_UNKNOWN = 0;
/** A data type constant for media, typically containing media samples. */
public static final int DATA_TYPE_MEDIA = 1;
/** A data type constant for media, typically containing only initialization data. */
public static final int DATA_TYPE_MEDIA_INITIALIZATION = 2;
/** A data type constant for drm or encryption data. */
public static final int DATA_TYPE_DRM = 3;
/** A data type constant for a manifest file. */
public static final int DATA_TYPE_MANIFEST = 4;
/** A data type constant for time synchronization data. */
public static final int DATA_TYPE_TIME_SYNCHRONIZATION = 5;
/** A data type constant for ads loader data. */
public static final int DATA_TYPE_AD = 6;
/**
* A data type constant for live progressive media streams, typically containing media samples.
*/
public static final int DATA_TYPE_MEDIA_PROGRESSIVE_LIVE = 7;
/**
* Applications or extensions may define custom {@code DATA_TYPE_*} constants greater than or
* equal to this value.
*/
public static final int DATA_TYPE_CUSTOM_BASE = 10000;
/** A type constant for tracks of unknown type. */
public static final int TRACK_TYPE_UNKNOWN = -1;
/** A type constant for tracks of some default type, where the type itself is unknown. */
public static final int TRACK_TYPE_DEFAULT = 0;
/** A type constant for audio tracks. */
public static final int TRACK_TYPE_AUDIO = 1;
/** A type constant for video tracks. */
public static final int TRACK_TYPE_VIDEO = 2;
/** A type constant for text tracks. */
public static final int TRACK_TYPE_TEXT = 3;
/** A type constant for metadata tracks. */
public static final int TRACK_TYPE_METADATA = 4;
/** A type constant for camera motion tracks. */
public static final int TRACK_TYPE_CAMERA_MOTION = 5;
/** A type constant for a dummy or empty track. */
public static final int TRACK_TYPE_NONE = 6;
/**
* Applications or extensions may define custom {@code TRACK_TYPE_*} constants greater than or
* equal to this value.
*/
public static final int TRACK_TYPE_CUSTOM_BASE = 10000;
/**
* A selection reason constant for selections whose reasons are unknown or unspecified.
*/
public static final int SELECTION_REASON_UNKNOWN = 0;
/**
* A selection reason constant for an initial track selection.
*/
public static final int SELECTION_REASON_INITIAL = 1;
/**
* A selection reason constant for an manual (i.e. user initiated) track selection.
*/
public static final int SELECTION_REASON_MANUAL = 2;
/**
* A selection reason constant for an adaptive track selection.
*/
public static final int SELECTION_REASON_ADAPTIVE = 3;
/**
* A selection reason constant for a trick play track selection.
*/
public static final int SELECTION_REASON_TRICK_PLAY = 4;
/**
* Applications or extensions may define custom {@code SELECTION_REASON_*} constants greater than
* or equal to this value.
*/
public static final int SELECTION_REASON_CUSTOM_BASE = 10000;
/** A default size in bytes for an individual allocation that forms part of a larger buffer. */
public static final int DEFAULT_BUFFER_SEGMENT_SIZE = 64 * 1024;
/** "cenc" scheme type name as defined in ISO/IEC 23001-7:2016. */
@SuppressWarnings("ConstantField")
public static final String CENC_TYPE_cenc = "cenc";
/** "cbc1" scheme type name as defined in ISO/IEC 23001-7:2016. */
@SuppressWarnings("ConstantField")
public static final String CENC_TYPE_cbc1 = "cbc1";
/** "cens" scheme type name as defined in ISO/IEC 23001-7:2016. */
@SuppressWarnings("ConstantField")
public static final String CENC_TYPE_cens = "cens";
/** "cbcs" scheme type name as defined in ISO/IEC 23001-7:2016. */
@SuppressWarnings("ConstantField")
public static final String CENC_TYPE_cbcs = "cbcs";
/**
* The Nil UUID as defined by
* <a href="https://tools.ietf.org/html/rfc4122#section-4.1.7">RFC4122</a>.
*/
public static final UUID UUID_NIL = new UUID(0L, 0L);
/**
* UUID for the W3C
* <a href="https://w3c.github.io/encrypted-media/format-registry/initdata/cenc.html">Common PSSH
* box</a>.
*/
public static final UUID COMMON_PSSH_UUID = new UUID(0x1077EFECC0B24D02L, 0xACE33C1E52E2FB4BL);
/**
* UUID for the ClearKey DRM scheme.
* <p>
* ClearKey is supported on Android devices running Android 5.0 (API Level 21) and up.
*/
public static final UUID CLEARKEY_UUID = new UUID(0xE2719D58A985B3C9L, 0x781AB030AF78D30EL);
/**
* UUID for the Widevine DRM scheme.
* <p>
* Widevine is supported on Android devices running Android 4.3 (API Level 18) and up.
*/
public static final UUID WIDEVINE_UUID = new UUID(0xEDEF8BA979D64ACEL, 0xA3C827DCD51D21EDL);
/**
* UUID for the PlayReady DRM scheme.
* <p>
* PlayReady is supported on all AndroidTV devices. Note that most other Android devices do not
* provide PlayReady support.
*/
public static final UUID PLAYREADY_UUID = new UUID(0x9A04F07998404286L, 0xAB92E65BE0885F95L);
/**
* The type of a message that can be passed to a video {@link Renderer} via {@link
* ExoPlayer#createMessage(Target)}. The message payload should be the target {@link Surface}, or
* null.
*/
public static final int MSG_SET_SURFACE = 1;
/**
* A type of a message that can be passed to an audio {@link Renderer} via {@link
* ExoPlayer#createMessage(Target)}. The message payload should be a {@link Float} with 0 being
* silence and 1 being unity gain.
*/
public static final int MSG_SET_VOLUME = 2;
/**
* A type of a message that can be passed to an audio {@link Renderer} via {@link
* ExoPlayer#createMessage(Target)}. The message payload should be an {@link
* com.google.android.exoplayer2.audio.AudioAttributes} instance that will configure the
* underlying audio track. If not set, the default audio attributes will be used. They are
* suitable for general media playback.
*
* <p>Setting the audio attributes during playback may introduce a short gap in audio output as
* the audio track is recreated. A new audio session id will also be generated.
*
* <p>If tunneling is enabled by the track selector, the specified audio attributes will be
* ignored, but they will take effect if audio is later played without tunneling.
*
* <p>If the device is running a build before platform API version 21, audio attributes cannot be
* set directly on the underlying audio track. In this case, the usage will be mapped onto an
* equivalent stream type using {@link Util#getStreamTypeForAudioUsage(int)}.
*
* <p>To get audio attributes that are equivalent to a legacy stream type, pass the stream type to
* {@link Util#getAudioUsageForStreamType(int)} and use the returned {@link C.AudioUsage} to build
* an audio attributes instance.
*/
public static final int MSG_SET_AUDIO_ATTRIBUTES = 3;
/**
* The type of a message that can be passed to a {@link MediaCodec}-based video {@link Renderer}
* via {@link ExoPlayer#createMessage(Target)}. The message payload should be one of the integer
* scaling modes in {@link C.VideoScalingMode}.
*
* <p>Note that the scaling mode only applies if the {@link Surface} targeted by the renderer is
* owned by a {@link android.view.SurfaceView}.
*/
public static final int MSG_SET_SCALING_MODE = 4;
/**
* A type of a message that can be passed to an audio {@link Renderer} via {@link
* ExoPlayer#createMessage(Target)}. The message payload should be an {@link AuxEffectInfo}
* instance representing an auxiliary audio effect for the underlying audio track.
*/
public static final int MSG_SET_AUX_EFFECT_INFO = 5;
/**
* The type of a message that can be passed to a video {@link Renderer} via {@link
* ExoPlayer#createMessage(Target)}. The message payload should be a {@link
* VideoFrameMetadataListener} instance, or null.
*/
public static final int MSG_SET_VIDEO_FRAME_METADATA_LISTENER = 6;
/**
* The type of a message that can be passed to a camera motion {@link Renderer} via {@link
* ExoPlayer#createMessage(Target)}. The message payload should be a {@link CameraMotionListener}
* instance, or null.
*/
public static final int MSG_SET_CAMERA_MOTION_LISTENER = 7;
/**
* The type of a message that can be passed to a {@link SimpleDecoderVideoRenderer} via {@link
* ExoPlayer#createMessage(Target)}. The message payload should be the target {@link
* VideoDecoderOutputBufferRenderer}, or null.
*
* <p>This message is intended only for use with extension renderers that expect a {@link
* VideoDecoderOutputBufferRenderer}. For other use cases, an output surface should be passed via
* {@link #MSG_SET_SURFACE} instead.
*/
public static final int MSG_SET_VIDEO_DECODER_OUTPUT_BUFFER_RENDERER = 8;
/**
* Applications or extensions may define custom {@code MSG_*} constants that can be passed to
* {@link Renderer}s. These custom constants must be greater than or equal to this value.
*/
public static final int MSG_CUSTOM_BASE = 10000;
/**
* The stereo mode for 360/3D/VR videos. One of {@link Format#NO_VALUE}, {@link
* #STEREO_MODE_MONO}, {@link #STEREO_MODE_TOP_BOTTOM}, {@link #STEREO_MODE_LEFT_RIGHT} or {@link
* #STEREO_MODE_STEREO_MESH}.
*/
@Documented
@Retention(RetentionPolicy.SOURCE)
@IntDef({
Format.NO_VALUE,
STEREO_MODE_MONO,
STEREO_MODE_TOP_BOTTOM,
STEREO_MODE_LEFT_RIGHT,
STEREO_MODE_STEREO_MESH
})
public @interface StereoMode {}
/**
* Indicates Monoscopic stereo layout, used with 360/3D/VR videos.
*/
public static final int STEREO_MODE_MONO = 0;
/**
* Indicates Top-Bottom stereo layout, used with 360/3D/VR videos.
*/
public static final int STEREO_MODE_TOP_BOTTOM = 1;
/**
* Indicates Left-Right stereo layout, used with 360/3D/VR videos.
*/
public static final int STEREO_MODE_LEFT_RIGHT = 2;
/**
* Indicates a stereo layout where the left and right eyes have separate meshes,
* used with 360/3D/VR videos.
*/
public static final int STEREO_MODE_STEREO_MESH = 3;
/**
* Video colorspaces. One of {@link Format#NO_VALUE}, {@link #COLOR_SPACE_BT709}, {@link
* #COLOR_SPACE_BT601} or {@link #COLOR_SPACE_BT2020}.
*/
@Documented
@Retention(RetentionPolicy.SOURCE)
@IntDef({Format.NO_VALUE, COLOR_SPACE_BT709, COLOR_SPACE_BT601, COLOR_SPACE_BT2020})
public @interface ColorSpace {}
/**
* @see MediaFormat#COLOR_STANDARD_BT709
*/
public static final int COLOR_SPACE_BT709 = MediaFormat.COLOR_STANDARD_BT709;
/**
* @see MediaFormat#COLOR_STANDARD_BT601_PAL
*/
public static final int COLOR_SPACE_BT601 = MediaFormat.COLOR_STANDARD_BT601_PAL;
/**
* @see MediaFormat#COLOR_STANDARD_BT2020
*/
public static final int COLOR_SPACE_BT2020 = MediaFormat.COLOR_STANDARD_BT2020;
/**
* Video color transfer characteristics. One of {@link Format#NO_VALUE}, {@link
* #COLOR_TRANSFER_SDR}, {@link #COLOR_TRANSFER_ST2084} or {@link #COLOR_TRANSFER_HLG}.
*/
@Documented
@Retention(RetentionPolicy.SOURCE)
@IntDef({Format.NO_VALUE, COLOR_TRANSFER_SDR, COLOR_TRANSFER_ST2084, COLOR_TRANSFER_HLG})
public @interface ColorTransfer {}
/**
* @see MediaFormat#COLOR_TRANSFER_SDR_VIDEO
*/
public static final int COLOR_TRANSFER_SDR = MediaFormat.COLOR_TRANSFER_SDR_VIDEO;
/**
* @see MediaFormat#COLOR_TRANSFER_ST2084
*/
public static final int COLOR_TRANSFER_ST2084 = MediaFormat.COLOR_TRANSFER_ST2084;
/**
* @see MediaFormat#COLOR_TRANSFER_HLG
*/
public static final int COLOR_TRANSFER_HLG = MediaFormat.COLOR_TRANSFER_HLG;
/**
* Video color range. One of {@link Format#NO_VALUE}, {@link #COLOR_RANGE_LIMITED} or {@link
* #COLOR_RANGE_FULL}.
*/
@Documented
@Retention(RetentionPolicy.SOURCE)
@IntDef({Format.NO_VALUE, COLOR_RANGE_LIMITED, COLOR_RANGE_FULL})
public @interface ColorRange {}
/**
* @see MediaFormat#COLOR_RANGE_LIMITED
*/
public static final int COLOR_RANGE_LIMITED = MediaFormat.COLOR_RANGE_LIMITED;
/**
* @see MediaFormat#COLOR_RANGE_FULL
*/
public static final int COLOR_RANGE_FULL = MediaFormat.COLOR_RANGE_FULL;
/** Video projection types. */
@Documented
@Retention(RetentionPolicy.SOURCE)
@IntDef({
Format.NO_VALUE,
PROJECTION_RECTANGULAR,
PROJECTION_EQUIRECTANGULAR,
PROJECTION_CUBEMAP,
PROJECTION_MESH
})
public @interface Projection {}
/** Conventional rectangular projection. */
public static final int PROJECTION_RECTANGULAR = 0;
/** Equirectangular spherical projection. */
public static final int PROJECTION_EQUIRECTANGULAR = 1;
/** Cube map projection. */
public static final int PROJECTION_CUBEMAP = 2;
/** 3-D mesh projection. */
public static final int PROJECTION_MESH = 3;
/**
* Priority for media playback.
*
* <p>Larger values indicate higher priorities.
*/
public static final int PRIORITY_PLAYBACK = 0;
/**
* Priority for media downloading.
*
* <p>Larger values indicate higher priorities.
*/
public static final int PRIORITY_DOWNLOAD = PRIORITY_PLAYBACK - 1000;
/**
* Network connection type. One of {@link #NETWORK_TYPE_UNKNOWN}, {@link #NETWORK_TYPE_OFFLINE},
* {@link #NETWORK_TYPE_WIFI}, {@link #NETWORK_TYPE_2G}, {@link #NETWORK_TYPE_3G}, {@link
* #NETWORK_TYPE_4G}, {@link #NETWORK_TYPE_5G}, {@link #NETWORK_TYPE_CELLULAR_UNKNOWN}, {@link
* #NETWORK_TYPE_ETHERNET} or {@link #NETWORK_TYPE_OTHER}.
*/
@Documented
@Retention(RetentionPolicy.SOURCE)
@IntDef({
NETWORK_TYPE_UNKNOWN,
NETWORK_TYPE_OFFLINE,
NETWORK_TYPE_WIFI,
NETWORK_TYPE_2G,
NETWORK_TYPE_3G,
NETWORK_TYPE_4G,
NETWORK_TYPE_5G,
NETWORK_TYPE_CELLULAR_UNKNOWN,
NETWORK_TYPE_ETHERNET,
NETWORK_TYPE_OTHER
})
public @interface NetworkType {}
/** Unknown network type. */
public static final int NETWORK_TYPE_UNKNOWN = 0;
/** No network connection. */
public static final int NETWORK_TYPE_OFFLINE = 1;
/** Network type for a Wifi connection. */
public static final int NETWORK_TYPE_WIFI = 2;
/** Network type for a 2G cellular connection. */
public static final int NETWORK_TYPE_2G = 3;
/** Network type for a 3G cellular connection. */
public static final int NETWORK_TYPE_3G = 4;
/** Network type for a 4G cellular connection. */
public static final int NETWORK_TYPE_4G = 5;
/** Network type for a 5G cellular connection. */
public static final int NETWORK_TYPE_5G = 9;
/**
* Network type for cellular connections which cannot be mapped to one of {@link
* #NETWORK_TYPE_2G}, {@link #NETWORK_TYPE_3G}, or {@link #NETWORK_TYPE_4G}.
*/
public static final int NETWORK_TYPE_CELLULAR_UNKNOWN = 6;
/** Network type for an Ethernet connection. */
public static final int NETWORK_TYPE_ETHERNET = 7;
/** Network type for other connections which are not Wifi or cellular (e.g. VPN, Bluetooth). */
public static final int NETWORK_TYPE_OTHER = 8;
/**
* Mode specifying whether the player should hold a WakeLock and a WifiLock. One of {@link
* #WAKE_MODE_NONE}, {@link #WAKE_MODE_LOCAL} and {@link #WAKE_MODE_NETWORK}.
*/
@Documented
@Retention(RetentionPolicy.SOURCE)
@IntDef({WAKE_MODE_NONE, WAKE_MODE_LOCAL, WAKE_MODE_NETWORK})
public @interface WakeMode {}
/**
* A wake mode that will not cause the player to hold any locks.
*
* <p>This is suitable for applications that do not play media with the screen off.
*/
public static final int WAKE_MODE_NONE = 0;
/**
* A wake mode that will cause the player to hold a {@link android.os.PowerManager.WakeLock}
* during playback.
*
* <p>This is suitable for applications that play media with the screen off and do not load media
* over wifi.
*/
public static final int WAKE_MODE_LOCAL = 1;
/**
* A wake mode that will cause the player to hold a {@link android.os.PowerManager.WakeLock} and a
* {@link android.net.wifi.WifiManager.WifiLock} during playback.
*
* <p>This is suitable for applications that play media with the screen off and may load media
* over wifi.
*/
public static final int WAKE_MODE_NETWORK = 2;
/**
* Track role flags. Possible flag values are {@link #ROLE_FLAG_MAIN}, {@link
* #ROLE_FLAG_ALTERNATE}, {@link #ROLE_FLAG_SUPPLEMENTARY}, {@link #ROLE_FLAG_COMMENTARY}, {@link
* #ROLE_FLAG_DUB}, {@link #ROLE_FLAG_EMERGENCY}, {@link #ROLE_FLAG_CAPTION}, {@link
* #ROLE_FLAG_SUBTITLE}, {@link #ROLE_FLAG_SIGN}, {@link #ROLE_FLAG_DESCRIBES_VIDEO}, {@link
* #ROLE_FLAG_DESCRIBES_MUSIC_AND_SOUND}, {@link #ROLE_FLAG_ENHANCED_DIALOG_INTELLIGIBILITY},
* {@link #ROLE_FLAG_TRANSCRIBES_DIALOG}, {@link #ROLE_FLAG_EASY_TO_READ} and {@link
* #ROLE_FLAG_TRICK_PLAY}.
*/
@Documented
@Retention(RetentionPolicy.SOURCE)
@IntDef(
flag = true,
value = {
ROLE_FLAG_MAIN,
ROLE_FLAG_ALTERNATE,
ROLE_FLAG_SUPPLEMENTARY,
ROLE_FLAG_COMMENTARY,
ROLE_FLAG_DUB,
ROLE_FLAG_EMERGENCY,
ROLE_FLAG_CAPTION,
ROLE_FLAG_SUBTITLE,
ROLE_FLAG_SIGN,
ROLE_FLAG_DESCRIBES_VIDEO,
ROLE_FLAG_DESCRIBES_MUSIC_AND_SOUND,
ROLE_FLAG_ENHANCED_DIALOG_INTELLIGIBILITY,
ROLE_FLAG_TRANSCRIBES_DIALOG,
ROLE_FLAG_EASY_TO_READ,
ROLE_FLAG_TRICK_PLAY
})
public @interface RoleFlags {}
/** Indicates a main track. */
public static final int ROLE_FLAG_MAIN = 1;
/**
* Indicates an alternate track. For example a video track recorded from an different view point
* than the main track(s).
*/
public static final int ROLE_FLAG_ALTERNATE = 1 << 1;
/**
* Indicates a supplementary track, meaning the track has lower importance than the main track(s).
* For example a video track that provides a visual accompaniment to a main audio track.
*/
public static final int ROLE_FLAG_SUPPLEMENTARY = 1 << 2;
/** Indicates the track contains commentary, for example from the director. */
public static final int ROLE_FLAG_COMMENTARY = 1 << 3;
/**
* Indicates the track is in a different language from the original, for example dubbed audio or
* translated captions.
*/
public static final int ROLE_FLAG_DUB = 1 << 4;
/** Indicates the track contains information about a current emergency. */
public static final int ROLE_FLAG_EMERGENCY = 1 << 5;
/**
* Indicates the track contains captions. This flag may be set on video tracks to indicate the
* presence of burned in captions.
*/
public static final int ROLE_FLAG_CAPTION = 1 << 6;
/**
* Indicates the track contains subtitles. This flag may be set on video tracks to indicate the
* presence of burned in subtitles.
*/
public static final int ROLE_FLAG_SUBTITLE = 1 << 7;
/** Indicates the track contains a visual sign-language interpretation of an audio track. */
public static final int ROLE_FLAG_SIGN = 1 << 8;
/** Indicates the track contains an audio or textual description of a video track. */
public static final int ROLE_FLAG_DESCRIBES_VIDEO = 1 << 9;
/** Indicates the track contains a textual description of music and sound. */
public static final int ROLE_FLAG_DESCRIBES_MUSIC_AND_SOUND = 1 << 10;
/** Indicates the track is designed for improved intelligibility of dialogue. */
public static final int ROLE_FLAG_ENHANCED_DIALOG_INTELLIGIBILITY = 1 << 11;
/** Indicates the track contains a transcription of spoken dialog. */
public static final int ROLE_FLAG_TRANSCRIBES_DIALOG = 1 << 12;
/** Indicates the track contains a text that has been edited for ease of reading. */
public static final int ROLE_FLAG_EASY_TO_READ = 1 << 13;
/** Indicates the track is intended for trick play. */
public static final int ROLE_FLAG_TRICK_PLAY = 1 << 14;
/**
* Converts a time in microseconds to the corresponding time in milliseconds, preserving
* {@link #TIME_UNSET} and {@link #TIME_END_OF_SOURCE} values.
*
* @param timeUs The time in microseconds.
* @return The corresponding time in milliseconds.
*/
public static long usToMs(long timeUs) {
return (timeUs == TIME_UNSET || timeUs == TIME_END_OF_SOURCE) ? timeUs : (timeUs / 1000);
}
/**
* Converts a time in milliseconds to the corresponding time in microseconds, preserving
* {@link #TIME_UNSET} values and {@link #TIME_END_OF_SOURCE} values.
*
* @param timeMs The time in milliseconds.
* @return The corresponding time in microseconds.
*/
public static long msToUs(long timeMs) {
return (timeMs == TIME_UNSET || timeMs == TIME_END_OF_SOURCE) ? timeMs : (timeMs * 1000);
}
/**
* Returns a newly generated audio session identifier, or {@link AudioManager#ERROR} if an error
* occurred in which case audio playback may fail.
*
* @see AudioManager#generateAudioSessionId()
*/
@TargetApi(21)
public static int generateAudioSessionIdV21(Context context) {
return ((AudioManager) context.getSystemService(Context.AUDIO_SERVICE))
.generateAudioSessionId();
}
}