libdvbcsa ☆

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Description:
Free implementation of the DVB Common Scrambling Algorithm

Type: Formula | Tracked Since: Dec 28, 2025

Links: Homepage | formulae.brew.sh

Category: Multimedia

Tags: multimedia dvb decryption video library

Install: brew install libdvbcsa

About:
Libdvbcsa is a free, open-source implementation of the DVB Common Scrambling Algorithm (CSA). It provides the necessary decryption and encryption capabilities for handling DVB transport streams. Its primary value is enabling developers to integrate DVB descrambling into media players and set-top box software.

Key Features:

Reference implementation of DVB CSA
Optimized with SIMD instructions (MMX, SSE2)
Lightweight and fast decryption
C90 compliant for maximum portability

Use Cases:

Integrating descrambling support into media center software like VLC
Developing custom set-top box firmware or applications
Researching and analyzing DVB encryption methods

Alternatives:

FFmpeg (libavcodec) – FFmpeg is a massive multimedia framework that can handle many formats, whereas libdvbcsa is a specialized, lightweight library focused solely on DVB CSA.

Version History

Detected	Version	Rev	Change	Commit
Sep 14, 2025 3:09am		0	VERSION_BUMP	45f77130