Kivy – Interactive Applications and Games in Python - Second Edition

Subtitles – tracking the video progression

Let's add subtitles to our application. We will do this in four simple steps:

1. Create a Subtitle widget (subtitle.kv) derived from the Label class that will display the subtitles
2. Place a Subtitle instance (video.kv) on top of the video widget
3. Create a Subtitles class (subtitles.py) that will read and parse a subtitle file
4. Track the Video progression (video.py) to display the corresponding subtitle

The Step 1 involves the creation of a new widget in the subtitle.kv file:

88. # File name: subtitle.kv 89. <Subtitle@Label>: 90. halign: 'center' 91. font_size: '20px' 92. size: self.texture_size[0] + 20, self.texture_size[1] + 20 93. y: 50 94. bcolor: .1, .1, .1, 0 95. canvas.before: 96. Color: 97. rgba: self.bcolor ...