expo-av
Version:
Expo universal module for Audio and Video playback
140 lines • 3.77 kB
TypeScript
import type { RecordingOptions } from './Recording.types';
export declare enum AndroidOutputFormat {
DEFAULT = 0,
THREE_GPP = 1,
MPEG_4 = 2,
AMR_NB = 3,
AMR_WB = 4,
AAC_ADIF = 5,
AAC_ADTS = 6,
RTP_AVP = 7,
MPEG2TS = 8,
WEBM = 9
}
export declare enum AndroidAudioEncoder {
DEFAULT = 0,
AMR_NB = 1,
AMR_WB = 2,
AAC = 3,
HE_AAC = 4,
AAC_ELD = 5
}
/**
* > **Note** Not all of the iOS formats included in this list of constants are currently supported by iOS,
* > in spite of appearing in the Apple source code. For an accurate list of formats supported by iOS, see
* > [Core Audio Codecs](https://developer.apple.com/library/content/documentation/MusicAudio/Conceptual/CoreAudioOverview/CoreAudioEssentials/CoreAudioEssentials.html)
* > and [iPhone Audio File Formats](https://developer.apple.com/library/content/documentation/MusicAudio/Conceptual/CoreAudioOverview/CoreAudioEssentials/CoreAudioEssentials.html).
*/
export declare enum IOSOutputFormat {
LINEARPCM = "lpcm",
AC3 = "ac-3",
'60958AC3' = "cac3",
APPLEIMA4 = "ima4",
MPEG4AAC = "aac ",
MPEG4CELP = "celp",
MPEG4HVXC = "hvxc",
MPEG4TWINVQ = "twvq",
MACE3 = "MAC3",
MACE6 = "MAC6",
ULAW = "ulaw",
ALAW = "alaw",
QDESIGN = "QDMC",
QDESIGN2 = "QDM2",
QUALCOMM = "Qclp",
MPEGLAYER1 = ".mp1",
MPEGLAYER2 = ".mp2",
MPEGLAYER3 = ".mp3",
APPLELOSSLESS = "alac",
MPEG4AAC_HE = "aach",
MPEG4AAC_LD = "aacl",
MPEG4AAC_ELD = "aace",
MPEG4AAC_ELD_SBR = "aacf",
MPEG4AAC_ELD_V2 = "aacg",
MPEG4AAC_HE_V2 = "aacp",
MPEG4AAC_SPATIAL = "aacs",
AMR = "samr",
AMR_WB = "sawb",
AUDIBLE = "AUDB",
ILBC = "ilbc",
DVIINTELIMA = 1836253201,
MICROSOFTGSM = 1836253233,
AES3 = "aes3",
ENHANCEDAC3 = "ec-3"
}
export declare enum IOSAudioQuality {
MIN = 0,
LOW = 32,
MEDIUM = 64,
HIGH = 96,
MAX = 127
}
export declare enum IOSBitRateStrategy {
CONSTANT = 0,
LONG_TERM_AVERAGE = 1,
VARIABLE_CONSTRAINED = 2,
VARIABLE = 3
}
/**
* Constant which contains definitions of the two preset examples of `RecordingOptions`, as implemented in the Audio SDK.
*
* # `HIGH_QUALITY`
* ```ts
* RecordingOptionsPresets.HIGH_QUALITY = {
* isMeteringEnabled: true,
* android: {
* extension: '.m4a',
* outputFormat: AndroidOutputFormat.MPEG_4,
* audioEncoder: AndroidAudioEncoder.AAC,
* sampleRate: 44100,
* numberOfChannels: 2,
* bitRate: 128000,
* },
* ios: {
* extension: '.m4a',
* outputFormat: IOSOutputFormat.MPEG4AAC,
* audioQuality: IOSAudioQuality.MAX,
* sampleRate: 44100,
* numberOfChannels: 2,
* bitRate: 128000,
* linearPCMBitDepth: 16,
* linearPCMIsBigEndian: false,
* linearPCMIsFloat: false,
* },
* web: {
* mimeType: 'audio/webm',
* bitsPerSecond: 128000,
* },
* };
* ```
*
* # `LOW_QUALITY`
* ```ts
* RecordingOptionsPresets.LOW_QUALITY = {
* isMeteringEnabled: true,
* android: {
* extension: '.3gp',
* outputFormat: AndroidOutputFormat.THREE_GPP,
* audioEncoder: AndroidAudioEncoder.AMR_NB,
* sampleRate: 44100,
* numberOfChannels: 2,
* bitRate: 128000,
* },
* ios: {
* extension: '.caf',
* audioQuality: IOSAudioQuality.MIN,
* sampleRate: 44100,
* numberOfChannels: 2,
* bitRate: 128000,
* linearPCMBitDepth: 16,
* linearPCMIsBigEndian: false,
* linearPCMIsFloat: false,
* },
* web: {
* mimeType: 'audio/webm',
* bitsPerSecond: 128000,
* },
* };
* ```
*/
export declare const RecordingOptionsPresets: Record<string, RecordingOptions>;
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