Tranquillity Base > mChapters > User Guide

Choose File > Open and select the file(s). Or drag the file(s) to the application icon.

The text data of chapter marker titles are stored in a text track. There are two ways to create it.

• Choose Markers > Add Text Track, you can create a new text track with a chapter marker at the start time.
• Choose Markers > Add Text Track with Markers..., select how you would like to make the chapter markers and enter a value.

Any one of tracks references to a text track as the chapter-track, then appear the chapter markers pop-up button.

The text track is referencing itself as the chapter-track.

The chapter markers pop-up button in QuickTime Player

See also When the chapters are not shown

In the Track List, select a text track you want to remove, and then press Delete key.

In the Track List, select a text track you want to duplicate, and then choose Edit > Duplicate.

In the Track List, select a text track you want to add a new chapter marker, and then click "﹢" button or choose Markers > Add Chapter Marker. The new chapter marker with the temporary title is added at the current time.

In the Chapter Marker List, select a chapter marker you want to remove, and then click "﹣" button or choose Markers > Remove Chapter Marker.

Double-click a chapter marker time you want to edit, you can edit the time.

Double-click a chapter marker title you want to edit, you can edit the title.

Drag and drop the time counter button to a chapter marker you want to replace on the Chapter Marker List.
Or select the chapter marker, and then choose Markers > Replace by Current Playing Time.

You can add chapter markers by importing a text file contains times and titles formatted as follows.

To import: Choose File > Chapter Title > Import..., and then select a text file. Or drag'n'drop a text file to the window.

Example:

• Files importable as cahpter markers must be plain text with the extension .txt
• The text encoding must be UTF-8.
• <@TimeScale:44100>
  Specifing the time scale of timecode. It's an optional element. The default time scale is 100.
• <@Start>, <@End>
  All markers must be between them. Any lines before and after them are ignored. This makes it easy for you to add comments to the list.
• Each marker must start with a timecode value in the format [hh:mm:ss.xx]
• After the timecode value, you can include a title for the marker. You can separate the timecode from the title by a new line.
• Timecode: [hh:mm:ss.xx]
  It must be start with the [ and end with the ]. The subsecond value xx is required. If a time scale is 100, xx must be from 00 to 99.
• Chapter Marker Title:
  New lines "line break code" and space/tab characters before and after a title will be removed.
  The character [ "left square bracket" is the key text of timecode. If you want to use it in a title, you must write a backslash "\" before it.
  e.g. [ABC] ⇒ \[ABC]

You can choose a playback speed.

space bar or return	Play or Stop
command (⌘) - ↑	Go to the beginning of a movie
command (⌘) - ↓	Go to the end of a movie
←	Go back one frame
→	Go forward one frame
command (⌘) - ←	Go back 5 seconds
command (⌘) - →	Go forward 5 seconds
command (⌘) - option - ←	Go back 30 seconds
command (⌘) - option - →	Go forward 30 seconds

1. Choose Operation > Go to...
2. Enter time values

QuickTime Player、iTunes、iPhone、iPad、iPod touch、Apple TV or more apps/devices shows chapters. But some apps could not show them depending on the language settings.

In QuickTime Player 10.4 (855): Try to set the text track language to the language which is listed in the "Preferred languages" in the "Language & Region" in the System Preferences of your Mac. Or set to “Unknown Language”.

In iTunes (v12.5.1.21): The chapters are shown regardless of the language settings. If a file has multiple text tracks for chapters, the text track placed at the top is shown as chapters.

In Apple TV (4th generation) (tvOS 9.2-13Y234): If a file has multiple text tracks, Apple TV shows the text track in the same language of Apple TV. If not has the same one, the text track placed at the top is shown.

QuickTime Player 7 or iDVD does not show chapters of mp4 files. Change the extension to m4a (audio file) or m4v (video file), chapter markers will be shown.