A Swift package for reading/writing some common subtitle formats.
| Format | Coder | File extension |
|---|---|---|
| SBV (SubViewer) | Subtitles.Coder.SBV |
.sbv |
| SUB (MicroDVD)* | Subtitles.Coder.SUB |
.sub |
| SRT (SubRip) | Subtitles.Coder.SRT |
.srt |
| VTT (WebVTT) | Subtitles.Coder.VTT |
.vtt |
| CSV | Subtitles.Coder.CSV |
.csv |
- Read-only
Basic decoding uses the file extension to determine the coder to use when decoding.
let subtitles = try Subtitles(fileURL: <some file url>)
subtitles.cues.forEach { cue in
// Do something with 'cue'
}You can also instantiate a coder object and use that directly if you know the type of subtitles you'll be decoding
let subtitleContent = ...
let coder = Subtitles.Coder.SBV()
let subtitles = try coder.decode(subtitleContent)
...
let encodedContent = try coder.encode(subtitles: subtitles)let cue1 = Subtitles.Cue(
position: 1,
startTime: Subtitles.Time(minute: 10),
endTime: Subtitles.Time(minute: 11),
text: "점점 더 많아지는\n시민들의 성난 목소리로..."
)
let cue2 = Subtitles.Cue(
position: 2,
startTime: Subtitles.Time(minute: 13, second: 5),
endTime: Subtitles.Time(minute: 15, second: 10, millisecond: 101),
text: "Second entry"
)
let subtitles = Subtitles([cue1, cue2])
// Encode based on the subtitle file extension
let content = try Subtitles.encode(subtitles, fileExtension: "srt")
// Encode using an explicit coder
let coder = Subtitles.Coder.VTT()
let content2 = try coder.encode(subtitles: subtitles)There appears to be no formal CSV specification for subtitles, so this coder tries to make a generic "enough" encoder/decoder to make it easier for an app to export into a spreadsheet or google docs.
Click here for more details on supported CSV formats
The CSV must conform to RFC 4180
- Text that contains double-quotes must be double-double-quoted (eg. ">> ALICE: My cat is named ""cat"" and is quite arrogant")
- Text containing newlines must be encapsulated in quotes. (eg. ">> ALICE: What about you?\n>> ROB: I don't have an opinion")
This library uses TinyCSV for CSV coding/decoding.
During decoding, the coder ignores the header if it exists, and assumes a particular ordering for the columns
The header text for the CSV is not important, the ordering of the fields determine what type of data to expect
Detected row formats :-
-
<position>, <start-time>, <end-time>, <text> -
position: The position of the cue (subtitle text) within the subtitles
-
start-time: The time where the text appears on the screen
-
end-time: The time where the text is removed from the screen
-
The text to display
- SBV style:
00:00:00.000 - SRT style:
00:00:00,000 - Common style:
00:00:00:000 - milliseconds:
102727
No.,Timecode In,Timecode Out,Subtitle
1, 00:00:00:599, 00:00:04.160, ">> ALICE: Hi, my name is Alice Miller and this is John Brown"
2, 00:00:04:160, 00:00:06.770, ">> JOHN: and we're the owners of ""Miller Bakery""."
Position,Start time,End Time,Text
51,00:00:00:599,00:00:04.160,">> ALICE: Hi, my name is Alice Miller and this is John Brown"
52,00:00:04:160,00:00:06.770,">> JOHN: and we're the owners of ""Miller Bakery""."
1, 91216, 93093, "РегалВю ТЕЛЕМАРКЕТИНГ
АНДЕРСЪН - МЕНИДЖЪР"
2, 102727, 104562, "Тук пише, че 5 години сте бил"
3, 104646, 107232, "мениджър на ресторант ""Ръсти Скапър""."
- Some VTT functionality is not supported (NOTE, STYLE, REGION). These will be discarded on import.
MIT License
Copyright (c) 2024 Darren Ford
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.