TelegramMessenger / TelegramMessenger/Telegram-iOS
Critical bug in video playback
Nobody has claimed this yet.
- Dominant language
- Swift
- Stars
- 9k
- Forks
- 2.9k
- PR merge metrics
- No merged PRs in 30d
Description
Some videos are played VERY badly. See the files in this channel for examples:
I have tested this in the iPhone version, too, it is exactly like the iPad version.
Telegram screenshot (the video zooms in and a lot of the content is not visible):

If using the nonfullscreen mode, the video becomes 1:1 ratioed, which is awful:

The same file in VLC:

Contributor guide
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
No source files, tests, or entry points are identified. Reproduce the linked Telegram video on iPhone and iPad in fullscreen and nonfullscreen modes, compare it with VLC, and confirm that playback preserves the video's aspect ratio and keeps its content visible.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- swift
- Domain
- audio-video-rtc, mobile-dev
- Issue type
- Bug
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Stale
- Clarity
- Needs clarification
- Newbie friendliness
- 25/100