Class MimeTypes
java.lang.Object
com.castlabs.sdk.base.subtitles.utilities.MimeTypes
Defines common MIME types and helper methods.
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Field Summary
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Method Summary
Modifier and TypeMethodDescriptionstatic booleanallSamplesAreSyncSamples(String mimeType) Returns true if it is known that all samples in a stream of the given sample MIME type are guaranteed to be sync samples (i.e.,Constants.BUFFER_FLAG_KEY_FRAMEis guaranteed to be set on every sample).static StringgetAudioMediaMimeType(String codecs) Derives a audio sample mimeType from a codecs attribute.static StringgetMediaMimeType(String codec) Derives a mimeType from a codec identifier, as defined in RFC 6381.static StringgetMimeTypeFromMp4ObjectType(int objectType) Derives a mimeType from MP4 object type identifier, as defined in RFC 6381 and https://mp4ra.org/#/object_types.static intgetTrackType(String mimeType) Returns theConstants.TRACK_TYPE_*constant that corresponds to a specified MIME type.static intgetTrackTypeOfCodec(String codec) Equivalent togetTrackType(getMediaMimeType(codec)).static StringgetVideoMediaMimeType(String codecs) Derives a video sample mimeType from a codecs attribute.static booleanisApplication(String mimeType) Returns whether the given string is an application MIME type.static booleanReturns whether the given string is an audio MIME type.static booleanWhether the top-level type ofmimeTypeis image.static booleanReturns whether the given string is a text MIME type.static booleanReturns whether the given string is a video MIME type.static voidregisterCustomMimeType(String mimeType, String codecPrefix, int trackType) Registers a custom MIME type.
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Field Details
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BASE_TYPE_VIDEO
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BASE_TYPE_AUDIO
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BASE_TYPE_TEXT
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BASE_TYPE_APPLICATION
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BASE_TYPE_IMAGE
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VIDEO_MP4
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VIDEO_WEBM
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VIDEO_H263
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VIDEO_H264
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VIDEO_H265
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VIDEO_VP8
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VIDEO_VP9
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VIDEO_AV1
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VIDEO_MP4V
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VIDEO_MPEG
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VIDEO_MPEG2
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VIDEO_VC1
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VIDEO_DIVX
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VIDEO_DOLBY_VISION
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VIDEO_UNKNOWN
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AUDIO_MP4
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AUDIO_AAC
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AUDIO_WEBM
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AUDIO_MPEG
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AUDIO_MPEG_L1
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AUDIO_MPEG_L2
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AUDIO_RAW
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AUDIO_ALAW
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AUDIO_MLAW
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AUDIO_AC3
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AUDIO_E_AC3
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AUDIO_E_AC3_JOC
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AUDIO_AC4
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AUDIO_TRUEHD
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AUDIO_DTS
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AUDIO_DTS_HD
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AUDIO_DTS_EXPRESS
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AUDIO_VORBIS
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AUDIO_OPUS
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AUDIO_AMR_NB
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AUDIO_AMR_WB
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AUDIO_FLAC
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AUDIO_ALAC
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AUDIO_MSGSM
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AUDIO_UNKNOWN
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TEXT_VTT
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TEXT_SSA
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APPLICATION_MP4
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APPLICATION_WEBM
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APPLICATION_MPD
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APPLICATION_M3U8
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APPLICATION_SS
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APPLICATION_ID3
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APPLICATION_CEA608
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APPLICATION_CEA708
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APPLICATION_SUBRIP
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APPLICATION_TTML
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APPLICATION_TX3G
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APPLICATION_MP4VTT
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APPLICATION_MP4CEA608
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APPLICATION_RAWCC
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APPLICATION_VOBSUB
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APPLICATION_PGS
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APPLICATION_SCTE35
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APPLICATION_CAMERA_MOTION
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APPLICATION_EMSG
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APPLICATION_DVBSUBS
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APPLICATION_EXIF
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APPLICATION_ICY
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APPLICATION_DVBTTX
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Method Details
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registerCustomMimeType
Registers a custom MIME type. Most applications do not need to call this method, as handling of standard MIME types is built in. These built-in MIME types take precedence over any registered via this method. If this method is used, it must be called before creating any player(s).- Parameters:
mimeType- The custom MIME type to register.codecPrefix- The RFC 6381-style codec string prefix associated with the MIME type.trackType- TheConstants.TRACK_TYPE_*constant associated with the MIME type. This value is ignored if the top-level type ofmimeTypeis audio, video or text.
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isAudio
Returns whether the given string is an audio MIME type. -
isVideo
Returns whether the given string is a video MIME type. -
isText
Returns whether the given string is a text MIME type. -
isApplication
Returns whether the given string is an application MIME type. -
allSamplesAreSyncSamples
Returns true if it is known that all samples in a stream of the given sample MIME type are guaranteed to be sync samples (i.e.,Constants.BUFFER_FLAG_KEY_FRAMEis guaranteed to be set on every sample).- Parameters:
mimeType- The sample MIME type.- Returns:
- True if it is known that all samples in a stream of the given sample MIME type are
guaranteed to be sync samples. False otherwise, including if
nullis passed.
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isImage
Whether the top-level type ofmimeTypeis image.- Parameters:
mimeType- The mimeType to test.- Returns:
- Whether the top level type is image.
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getVideoMediaMimeType
Derives a video sample mimeType from a codecs attribute.- Parameters:
codecs- The codecs attribute.- Returns:
- The derived video mimeType, or null if it could not be derived.
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getAudioMediaMimeType
Derives a audio sample mimeType from a codecs attribute.- Parameters:
codecs- The codecs attribute.- Returns:
- The derived audio mimeType, or null if it could not be derived.
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getMediaMimeType
Derives a mimeType from a codec identifier, as defined in RFC 6381.- Parameters:
codec- The codec identifier to derive.- Returns:
- The mimeType, or null if it could not be derived.
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getMimeTypeFromMp4ObjectType
Derives a mimeType from MP4 object type identifier, as defined in RFC 6381 and https://mp4ra.org/#/object_types.- Parameters:
objectType- The objectType identifier to derive.- Returns:
- The mimeType, or null if it could not be derived.
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getTrackType
Returns theConstants.TRACK_TYPE_*constant that corresponds to a specified MIME type.Constants.TRACK_TYPE_UNKNOWNif the MIME type is not known or the mapping cannot be established.- Parameters:
mimeType- The MIME type.- Returns:
- The
Constants.TRACK_TYPE_*constant that corresponds to a specified MIME type.
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getTrackTypeOfCodec
Equivalent togetTrackType(getMediaMimeType(codec)).- Parameters:
codec- The codec.- Returns:
- The
Constants.TRACK_TYPE_*constant that corresponds to a specified codec.
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