Software » Video Players » LLPlayer 0.2.2 Beta

v0.2.2
Main Features
Support Incremental Subtitle Search (#91) [Thanks @KRSHH]
Subtitles can now be filtered by incremental search.
This is useful when jumping to a specific subtitle.

You can search using CTRL+F or the search button on the sidebar.

Add another LLM translation engine - KoboldCpp, LiteLLM, OpenAI Like (#74 #80)
Two LLM engines have been added.
LiteLLM is a proxy server that allows integration with various LLMs such as Gemini and Grok.

KoboldCpp: https://github.com/LostRuins/koboldcpp
LiteLLM: https://docs.litellm.ai/docs/

A new OpenAI-compatible engine OpenAI Like has also been added, in which the API request path can be configured.

https://github.com/umlx5h/LLPlayer/wiki/Translation-Engine

Support Reasoning Models such as Qwen3, DeepSeek for LLM translation
Inference models such as Qwen3 are now supported.
Inference messages are now automatically removed.

Subtitle Settings Enhancement (#101)
Subtitles can now be set to a background color to improve visibility.

It is also now possible to have different font settings for primary and secondary.

Subtitle Local Search Enhancement (#103)
Extended autoloading of subtitles in the same path as the opened video.
Subtitles in the following formats are now automatically loaded.

video.srt
video.en.srt
video.eng.srt
video.foo.srt

video\subs\video.srt
video\subtitles\video.srt
The default subtitle folder is subs, subtitles. (case-insensitive)
Folders can be customized in the settings.

Chinese specific enhancements
Several enhancements have been made for Chinese users.

Support Chinese word segmentation (#84)
You can now select one Chinese word at a time.

Support translation between Simplified and Traditional Chinese (#82)
Google Translate, for example, can now translate between simplified and traditional Chinese.

Select Simplified or Traditional in ASR (#82)
Simplified and traditional Chinese can now be configured in ASR by customizing the prompt in whisper.cpp, faster-whisper.

How to configure it
#82 (comment)

Features
(ASR) add Prompt parameter to whisper.cpp a4e4a3e
(ASR) add preset functionality of prompt 2b93bde
(ASR) add distil-large-v3.5 model in faster-whisper 5433a45
(ASR) enable GPU device selection in whisper.cpp [Fixes #94] d9bccef
(ASR) update faster-whisper-xxl r245.4 c1db552
(seek) add secondary subs seeking keybindings [Fixes #104] c379344
(subtitle) add Max Width config for text subtitles b6b6aab
(settings) add language auto-open settings for subtitle, audio streams 1362b0a
(settings) make font and stroke color adjustable with color picker a03e448
(translate) support LLM parameters - temperature, top_p 7f7c670
(translate) support LLM parameters - max_tokens, max_completion_tokens aa82cf8
(YoutubeDL) add option of whether to automatically open automatic subtitles 964df1a
add Always-On-Top window feature & its binding to CTRL-T e13c933
Small Fixes
(FlyleafBar) Taskbar UI adjustment (#105) [Thanks @celestum] 008a91f
(YoutubeDL) review subtitle loading conditions [Fixes #73] fbbfe66
(config) change auto copy toggle shortcut from ALT+A to CTRL+A 3aac04b
(config) set the OS language as the default translation language 357fd00
(config) add default binding of Alt+Shift+Left/Right to open/prev file 2634b09
(settings) output error details for LLM translation a635443
(settings) add reset button to video filter cebd5f5
(subtitle) use theme color for hover border color of words b746800
(subtitle) preserve line breaks in text beginning with a hyphen [Fixes #100] b9e0b53
Bug Fixes
(ASR) fix not being able to seek in m2ts, etc 323c834
(ASR) fix faster-whisper was not working with English-only model d61178c
(ASR) reinitialize SwrContext when codec is changed ab06ce2
(config) fix unrestoreable subtitle parameters [Fixes #92] 9eab94a
(dialog) centering of orphaned dialogs based on the parent window ad9d57d
(subtitle) reflect sub sync while playback is stopped ddc0cfc
(subtitle) do not load empty subtitles for ass format cdf996e
(translate) prevent NPE translating words during ASR re-run 53ae804
Build
Update FlyleafLib from v3.8.2 to v3.8.4 #90 #107
(deps) update TesseractOCR, DeepL.net b1ed975

Dual Subtitles
LLPlayer supports dual subtitles, two languages can be displayed simultaneously.
The size and positioning can be adjusted regardless of text or bitmap format.
Unlike other players, the two subtitles never overlap.

AI-generated subtitles
Powered by OpenAI Whisper, LLPlayer supports real-time automatic subtitle generation (ASR) from any video and audio, which supports 100 languages.
It is efficient because subtitles can be generated from any position in the video asynchronously.
It also supports CUDA, Vulkan, OpenVINO for fast subtitle generation.

Real-time Translation
LLPlayer supports real-time translation of subtitles.
It supports Google Translate and DeepL.
Currently 134 languages are supported!

OCR Subtitles
Bitmap format subtitles cannot normally be recognized as text,
but LLPlayer can convert bitmap subtitles to text in real-time using OCR.
Unlike usual programs, it uses ffmpeg native API directly and is therefore very fast.
It supports TesseractOCR and MicrosoftOCR.

Plays anything
LLPlayer supports many video and subtitle formats, thanks to ffmpeg and Flyleaf libraries.
It supports text and bitmap subtitles, as well as built-in and external subtitles.

Instant word lookup
By clicking on a word in the subtitle, the meaning of the word can be displayed in a pop-up window.
You can search on any website or copy it to the clipboard.

Subtitles Sidebar
LLPlayer supports a subtitles sidebar.
Supports text and bitmap subtitles.
You can seek and look up the meaning of words.
It will also have an anti-spoiler feature.

Plays online videos
With yt-dlp, online videos such as You-Tube can be played in real-time.
Automatic subtitle generation and translation can also be performed in real time.

Free, Open Source, Written in C#
The source of LLPlayer is available on GitHub under the GPL licence and can be customized freely.
All code is written in C#, making it easy to customize for anyone needs.

More features
Flexible Subtitles Size/Placement Settings
Subtitles Seeking for any format
Built-in Subtitles Downloader
Customizable Dark Theme
Fully Customizable Shortcuts
Built-in Cheat Sheet