textual-video 0.1.0

Video playback widgets & controls for Textual (textual-image based)

textual-video

Textual widget for playing videos in terminal UIs. Based on textual-image.

[!WARNING] This project is freezed/archived due i have no time. Maybe will continue work in summer.

Installation

PyPI release soon. Now just clone repo.

Dependencies

• textual
• textual-image
• av
• numpy

Usage

from textual_video.player import VideoPlayer
from textual.app import App, ComposeResult

class ExampleApp(App):
    def compose(self) -> ComposeResult:
        yield VideoPlayer(r'examples\video.mp4')

if __name__ == '__main__':
    ExampleApp().run()

Parameters

Name	Type	Description
path	str	Path to the video file
image_type	ImageType	Rendering backend (e.g. ImageType.SIXEL)
speed	float	Playback speed multiplier (1.0 = normal)
update_strategy	UpdateStrategy	How frames are updated (REPLACE_WIDGET or UPDATE_IMAGE)
fps_decrease_factor	int	Downsample FPS by this factor to reduce CPU/rendering load

Enums

ImageType

Image rendering type

Member	Description
ImageType.SIXEL	Highest fidelity; requires terminal sixel support.
ImageType.TGP	Mid-quality option (depends on implementation).
ImageType.HALFCELL	Fast; uses half-cell Unicode blocks.
ImageType.UNICODE	Fastest; low fidelity, widest compatibility.

UpdateStrategy

Image updating strategy

Member	Description
UpdateStrategy.REMOUNT	Create/mount a new widget for each frame and remove the old. Simple but slow and can flicker.
UpdateStrategy.REACTIVE	Update a reactive field on the player and call refresh(recompose=True). Medium cost.
UpdateStrategy.SET_IMAGE	Keep one mounted widget and call image setter. Supports only ImageType.SIXEL

FAQ

1. Video does not start from the beginning, but from the middle or from the end

• Try incrase fps_decrease_factor - your terminal can't cope with frequent changes (escpecially with ImageType.SIXEL)
• Change ImageType to more faster (like HALFCELL)

2. Video lagging (has black gaps between update)

• Use UpdateStrategy.REACTIVE
• Change ImageType to more faster

3. Is there any ways to provide customer control?

• Сreate a new class inheriting from textual_video.controls.PlayerControls and provide it in control argument in VideoPlayer

Contributing

• Please open issues for bugs or feature requests.
• Create a PR against main and mention related issues.