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Ruffle is an Adobe Flash Player emulator written in the Rust programming language. Ruffle targets both the desktop and the web using WebAssembly.

• Project status
• Using Ruffle
• Building from source
  • Prerequisites
  • Linux prerequisites
  • Desktop
    • Build
    • macOS
  • Web or Extension
  • Android
  • Scanner
  • Exporter
• Structure
• Sponsors
• License
• Contributing

Ruffle supports ActionScript 1, 2 and 3 pretty well, but it's still not finished by any means. Please report any issues in theIssue Tracker.

The easiest way to try out Ruffle is to visit theweb demo page, then click the "Select File" button to load a SWF file of your choice.

Nightly builds of Ruffle are available for desktop and web platforms.

For more detailed instructions, see ourwiki page.

• Latest stable channel ofRust
• Java, available on your PATH asjava (required for building the library containing the builtin Flash classes for ActionScript 3)

The following are typical dependencies for Linux:

• libasound2-dev
• libudev-dev
• default-jre-headless
• g++

Use the following command to build and run the desktop app:

cargo run --release --package=ruffle_desktop

To run a specific SWF file, pass the SWF path as an argument:

cargo run --release --package=ruffle_desktop -- test.swf

To build in debug mode, simply omit--release from the command.

Ruffle desktop can be built from ourHomebrew Tap:

brew install --HEAD ruffle-rs/ruffle/ruffle

Note: because it is HEAD-only, you'll need to runbrew upgrade --fetch-HEAD ruffle each time you want to update.

Followthe instructions in the web directory for buildingeither the web or browser extension version of Ruffle.

This project is tested with BrowserStack.

Follow theinstructions in theruffle-android project for building the Android application of Ruffle.

If you have a collection of "real world" SWFs to test against, the scanner may be used to benchmarkruffle's parsing capabilities. Provided with a folder and an output filename, it will attempt to readall of the Flash files and report on the success of such a task.

cargo run --release --package=ruffle_scanner -- scan folder/with/swfs/ results.csv

If you have a SWF file and would like to capture an image of it, you may use the exporter tool.This currently requires hardware acceleration, but can be run headless (with no window).

• cargo run --release --package=exporter -- path/to/file.swf
• cargo run --release --package=exporter -- path/to/file.swf path/to/screenshots --frames 5

• core - core emulator and common code
• swf - SWF and ActionScript parser
• desktop - desktop client (useswgpu-rs)
• web - web client and browser extension (useswasm-bindgen)
• render - various rendering backends for both desktop and web
• video - video decoding backends
• flv - Flash Video decoder
• wstr - a Flash-compatible implementation of strings
• scanner - a utility to bulk parse SWF files
• exporter - a utility to generate PNG screenshots of a SWF file

You can support the development of Ruffle viaGitHub Sponsors. Your sponsorship will help to ensure the accessibility of Flash content for the future. Thank you!

Sincere thanks to the diamond level sponsors of Ruffle:

Ruffle is licensed under either of

• Apache License, Version 2.0 (http://www.apache.org/licenses/LICENSE-2.0)
• MIT License (http://opensource.org/licenses/MIT)

at your option.

Ruffle depends on third-party libraries under compatible licenses. SeeLICENSE.md for full information.

Ruffle welcomes contribution from everyone. SeeCONTRIBUTING.md for help getting started.

Unless you explicitly state otherwise, any contribution intentionally submittedfor inclusion in the work by you shall be dual licensed as above, without anyadditional terms or conditions.

The entire Ruffle community, including the chat room and GitHub project, is expected to abide by theCode of Conduct that the Rust project itself follows.