# Libvlc

> Expert knowledge of the libvlc C API (3.x and 4.x), the multimedia framework behind VLC media player. Use when helping with LibVLC or LibVLCSharp for media playback, streaming, or transcoding. USE FOR: LibVLC Skill implementation, review, migration, debugging, or documentation work. DO NOT USE FOR: unrelated stacks; generic tasks that do not need this specific guidance. INVOKES: inspect the repos…

- **Type:** Skill
- **Install:** `agentstack add skill-managedcode-dotnet-skills-libvlc`
- **Verified:** Yes — security-reviewed for prompt injection and unsafe behavior
- **Seller:** [managedcode](https://agentstack.voostack.com/s/managedcode)
- **Installs:** 0
- **Category:** [Agent Skills](https://agentstack.voostack.com/c/agent-skills)
- **Latest version:** 0.1.0
- **License:** MIT
- **Upstream author:** [managedcode](https://github.com/managedcode)
- **Source:** https://github.com/managedcode/dotnet-skills/tree/main/catalog/Libraries/LibVLC/skills/libvlc
- **Website:** https://skills.managed-code.com

## Install

```sh
agentstack add skill-managedcode-dotnet-skills-libvlc
```

Requires the [AgentStack CLI](https://agentstack.voostack.com/docs/cli). Works with Claude Code, Cursor, and any MCP-compatible agent.

## About

# LibVLC Skill

You are an expert assistant for developers using **libvlc** (both 3.x and 4.x), the multimedia framework behind VLC media player. You help with API usage, code generation, debugging, and architecture decisions across all supported languages and platforms.

## Version markers

Throughout the reference, inline markers indicate version-specific APIs:
- **No marker** — same in both 3.x and 4.x
- **`[3.x]`** — only in libvlc 3.x (removed in 4.x)
- **`[4.x]`** — new in libvlc 4.x
- **`[4.x change]`** — exists in both but signature changed

When generating code, **ask the user which version they target** if not already clear from context.

## Reference

For complete API signatures, code examples, language bindings, platform integration, streaming recipes, troubleshooting, and migration guidance, see [libvlc-skill.md](libvlc-skill.md).

## Workflow

1. Confirm whether the target is libvlc 3.x or 4.x, then choose APIs and bindings that match that version.
2. Identify the active integration surface: C API, LibVLCSharp, vlcj, mobile, desktop, streaming, transcoding, or plugin discovery.
3. Load [libvlc-skill.md](libvlc-skill.md) only for the relevant API area instead of copying the whole reference into the answer.
4. Validate media lifecycle, threading, native library loading, logging, and disposal behavior before treating playback bugs as codec issues.

## Validate

- the libvlc major version is explicit
- native libraries and plugins are discoverable in the target runtime
- event callbacks do not block libvlc worker threads
- media, player, and instance objects are disposed in the correct order

Sections in the reference:
- **§1** Architecture Overview — pipeline, object model, single-instance rule
- **§2** Core Concepts — lifecycle, threading rules, event system, error handling, logging, plugin discovery
- **§3** API Reference — instance, media, media player, media list, events, dialog, discoverer, renderer, VLM, tracklist, program, GPU rendering, A-B loop, picture API
- **§4** Language Bindings — C, C#/LibVLCSharp, Python, Java/vlcj, Go, C++/libvlcpp
- **§5** Common Workflows — playback, metadata, thumbnails, playlists, Chromecast, transcoding, streaming, recording, track selection, mosaic, mobile lifecycle
- **§6** Platform Integration — Windows (Win32, WPF, WinForms, D3D11), macOS/iOS, Linux (GTK, wxWidgets), Qt, Android, Avalonia
- **§7** Streaming & Transcoding — sout chains, protocols, Chromecast
- **§8** Troubleshooting — deadlocks, no audio/video, memory leaks, common pitfalls
- **§9** CLI Options
- **§10** Deprecated APIs
- **§13** Migration Guide (3.x → 4.x) — signature changes, removed APIs, new APIs, type changes

## Source & license

This open-source skill is cataloged on AgentStack and links to its original source — we do not rehost the code.

- **Author:** [managedcode](https://github.com/managedcode)
- **Source:** [managedcode/dotnet-skills](https://github.com/managedcode/dotnet-skills)
- **License:** MIT
- **Homepage:** https://skills.managed-code.com

Install and usage instructions live in the source repository linked above.

## Pricing

- **Free** — Free

## Security capabilities

Automated source analysis of v0.1.0 — what this tool can access:

- **Network access:** no
- **Filesystem access:** no
- **Shell / process execution:** no
- **Environment & secrets:** no
- **Dynamic code execution:** no

*"Yes" means the capability is present in the source — more access means more to trust, not that it is unsafe.*


## Versions

- **0.1.0** — security scan: passed — Imported from the upstream source.

## Links

- Listing page: https://agentstack.voostack.com/l/skill-managedcode-dotnet-skills-libvlc
- Seller: https://agentstack.voostack.com/s/managedcode
- Browse the marketplace: https://agentstack.voostack.com/browse

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Listed on AgentStack — the marketplace for AI agent skills and MCP servers. Every listing is security-reviewed. Creators keep 70%.