nameback/third_party/ffmpeg/NOTICE at main · SecurityRonin/nameback · GitHub

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# FFmpeg

**Copyright**: Copyright (c) 2000-2024 FFmpeg Developers

**License**: LGPL-2.1-or-later (default build, used by Nameback)

**Official Website**: https://ffmpeg.org/

**Source Code**: https://ffmpeg.org/download.html

## License Information

FFmpeg is licensed under the GNU Lesser General Public License (LGPL) version 2.1 or later (see `/LICENSES/LGPL-2.1-or-later.txt`).

**Note**: FFmpeg can also be built with GPL components, but Nameback only uses and redistributes LGPL builds (compiled without `--enable-gpl` or `--enable-nonfree` flags).

## LGPL Compliance Statement

**THIS SOFTWARE USES LIBRARIES FROM THE FFMPEG PROJECT UNDER THE LGPLv2.1**

As required by the LGPL license:

1. **Source Code Availability**: FFmpeg source code is available at https://ffmpeg.org/download.html
   - For bundled distributions, source code archive is included in GitHub Releases
   - You may download the source code directly from https://github.com/FFmpeg/FFmpeg

2. **Attribution**: This product includes FFmpeg (https://ffmpeg.org/)

3. **License Copy**: See `/LICENSES/LGPL-2.1-or-later.txt` for the full LGPL license text

4. **Compilation Information**:
   - Built without GPL components (`--enable-lgpl` only)
   - Dynamically linkable
   - No reverse-engineering restrictions imposed

## Description

FFmpeg is a complete, cross-platform solution to record, convert and stream audio and video. It includes libavcodec - the leading audio/video codec library.

## Usage in Nameback

Nameback uses FFmpeg as a command-line tool to extract frames from video files for OCR analysis. FFmpeg is an optional dependency that enables video OCR features.

## Version Information

Current bundled version: 6.1 or later (LGPL build)

## Required Attribution

When distributing software that uses FFmpeg under LGPL, you must:

1. **Include in "About" box or documentation**:
   - "This software uses libraries from the FFmpeg project under the LGPLv2.1"

2. **Include in EULA** (if applicable):
   - Mention that the program uses FFmpeg under LGPLv2.1
   - State that you do not own FFmpeg code
   - Do NOT prohibit reverse engineering

3. **Provide source code access**:
   - Include FFmpeg source code archive, OR
   - Provide written offer to obtain source code, OR
   - Link to official FFmpeg download page

## Obtaining FFmpeg Source Code

- **Official Download**: https://ffmpeg.org/download.html
- **GitHub Repository**: https://github.com/FFmpeg/FFmpeg
- **Bundled Archive**: Included in Nameback GitHub Releases (for LGPL compliance)

---

This software uses FFmpeg (https://ffmpeg.org/) licensed under the LGPLv2.1.
FFmpeg source code is available at https://ffmpeg.org/download.html