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46 lines
3.0 KiB
Markdown
46 lines
3.0 KiB
Markdown
# Import / Export
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## Customising exported file names
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When exporting multiple segments as separate files, LosslessCut offers you the ability to specify how the output files will be named in sequence using a *template string*. The template string is evaluated as a [JavaScript template string](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Template_literals), so you can use JavaScript syntax inside of it. The following variables are available in the template to customize the filenames:
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| Avail when merging? | Variable | Output |
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| - | - | - |
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| ✅ | `${FILENAME}` | The original filename *without the extension* (e.g. `Beach Trip` for a file named `Beach Trip.mp4`).
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| ✅ | `${EXT}` | The extension of the file (e.g.: `.mp4`, `.mkv`).
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| ✅ | `${EPOCH_MS}` | Number of milliseconds since epoch (e.g. `1680852771465`). Useful to generate a unique file name on every export to prevent accidental overwrite.
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| | `${SEG_NUM}` | Number of the segment, padded string (e.g. `01`, `02` or `42`).
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| | `${SEG_NUM_INT}` | Number of the segment, as a raw integer (e.g. `1`, `2` or `42`). Can be used with numeric arithmetics, e.g. `${SEG_NUM_INT+100}`.
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| | `${SEG_LABEL}` | The label of the segment (e.g. `Getting_Lunch`).
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| | `${SEG_SUFFIX}` | If a label exists for this segment, the label will be used, prepended by `-`. Otherwise, the segment number prepended by `-seg` will be used (e.g. `-Getting_Lunch`, `-seg1`).
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| | `${CUT_FROM}` | The timestamp for the beginning of the segment in `hh.mm.ss.sss` format (e.g. `00.00.27.184`).
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| | `${CUT_TO}` | The timestamp for the ending of the segment in `hh.mm.ss.sss` format (e.g. `00.00.28.000`).
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| | `${SEG_TAGS.XX}` | Allows you to retrieve the tags for a given segment by name. If a tag is called foo, it can be accessed with `${SEG_TAGS.foo}`. Note that if the tag does not exist, it will return the text `undefined`. You can work around this as follows: `${SEG_TAGS.foo ?? ''}`
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Your files must always include at least one unique identifer (such as `${SEG_NUM}` or `${CUT_FROM}`), and it should end in `${EXT}` (or else players might not recognise the files). For instance, to achieve a filename sequence of `Beach Trip - 1.mp4`, `Beach Trip - 2.mp4`, `Beach Trip - 3.mp4`, your format should read `${FILENAME} - ${SEG_NUM}${EXT}`
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## Export project formats
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LosslessCut also allows importing/exporting your project (segments) in a variety of file formats.
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### CSV
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- The CSV export/import function takes CSV files with one cut segment on each line. Each line contains three columns: `segment start`, `segment end`, `label`.
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- `segment start` and `segment end` are expressed in seconds or left empty. Empty `segment end` means segment ends at the duration of the video.
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- Use comma `,` to separate the fields (**not** semicolon `;`)
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#### example.csv
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```csv
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,56.9568,First segment starting at 0
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70,842.33,"Another quoted label"
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1234,,Last segment
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```
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### TSV
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Same as CSV but `<tab>` instead.
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### More formats?
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See https://github.com/mifi/lossless-cut/issues/1340
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