# OSS Notice

## OSS Acknowledgements

OvenMediaEngine Enterprise is Copyright OvenMedia Labs Inc. (formerly AirenSoft Co., Ltd.) All rights reserved.

This product includes open source software developed by third parties. The following page lists the third-party open source components included in this product and the licenses that apply to each of them.

If you have any questions regarding our use of open-source software in OvenMediaEngine Enterprise and this notice, please contact us at <support@ovenmedialabs.com>.

***

## OSS Used in OvenMediaEngine Enterprise

### OpenSSL | 3.0.7

Used across secure communications for HTTPS APIs, TLS/DTLS handshakes, certificate management, and encryption or decryption.

* **Repo**: <https://github.com/openssl/openssl>
* **License**: Apache-2.0 license (<https://github.com/openssl/openssl/blob/master/LICENSE.txt>)

### SRTP (libsrtp) | 2.4.2

Used to encrypt and authenticate RTP packets as SRTP in WebRTC and related workflows.

* **Repo**: <https://github.com/cisco/libsrtp>
* **License**: Cisco BSD-like license (<https://github.com/cisco/libsrtp/blob/main/LICENSE>)

### SRT | 1.5.2

Used for ingest and publish over the SRT protocol.

* **Repo**: <https://github.com/Haivision/srt>
* **License**: MPL-2.0 license (<https://github.com/Haivision/srt/blob/master/LICENSE>)

### Opus | 1.3.1

Used for Opus audio encoding and decoding for WebRTC and low-latency streaming.

* **Repo**: [https://opus-codec.org](https://opus-codec.org/)
* **License**: BSD-3-Clause license (<https://opus-codec.org/license>)

### VPX (libvpx) | 1.11.0

Used for VP8 video encoding and decoding, primarily for WebRTC and real-time transcoding.

* **Repo**: <https://chromium.googlesource.com/webm/libvpx>
* **License**: BSD 3-Clause license (<https://chromium.googlesource.com/webm/libvpx/+/refs/tags/v1.11.0/LICENSE>)

### FDK-AAC | 2.0.2

Used for AAC audio encoding, including LC and HE profiles, for OTT streaming such as HLS, DASH, and RTMP.

* **Repo**: <https://github.com/mstorsjo/fdk-aac>
* **License**: Fraunhofer FDK AAC license (<https://android.googlesource.com/platform/external/aac/+/master/NOTICE>)

### FFmpeg | 5.1.4

Used to demux media files and for recording or push publishing, and also used as a framework for encoding and decoding.

* **Repo**: <https://github.com/FFmpeg/FFmpeg>
* **License**: LGPL-2.1-or-later license (<https://github.com/FFmpeg/FFmpeg/blob/master/LICENSE.md>)

### NASM | 2.15.05

Used at build time for high-performance encoding as an assembler to compile highly optimized assembly code for x264, FDK-AAC, libvpx, and others.

* **Repo**: <https://github.com/netwide-assembler/nasm>
* **License**: BSD-2-Clause license (<https://github.com/netwide-assembler/nasm/blob/master/LICENSE>)

### PCRE2 | 10.39

Used to provide high-performance regular expression processing.

* **Repo**: <https://github.com/PCRE2Project/pcre2>
* **License**: BSD-3-Clause license (<https://github.com/PCRE2Project/pcre2/blob/main/LICENCE.md>)

### OpenH264 | 2.4.0

Used as an H.264 encoder and decoder that can serve as an alternative or companion codec to x264, depending on licensing requirements and environment.

* **Repo**: <https://github.com/cisco/openh264>
* **License**: BSD-2-Clause license (<https://github.com/cisco/openh264/blob/master/LICENSE>)

### Hiredis | 1.0.2

Used in OriginMapStore as a client library for integrating with Redis.

* **Repo**: <https://github.com/redis/hiredis>
* **License**: BSD-3-Clause license (<https://github.com/redis/hiredis/blob/master/COPYING>)

### WEBP (libwebp) | 1.5.0

Used to encode thumbnail images in the WebP format.

* **Repo**: <https://chromium.googlesource.com/webm/libwebp>
* **License**: BSD 3-Clause license (<https://chromium.googlesource.com/webm/libwebp/+/refs/tags/v1.5.0/COPYING>)

### spdlog | 1.15.1

Used to handle specialized log output for specific cases.

* **Repo**: <https://github.com/gabime/spdlog>
* **License**: MIT license (<https://github.com/gabime/spdlog/blob/v1.x/LICENSE>)

### JsonCpp | 1.9.3

Used for JSON parsing and generation.

* **Repo**: <https://github.com/open-source-parsers/jsoncpp>
* **License**: MIT license (<https://github.com/open-source-parsers/jsoncpp/blob/master/LICENSE>)

### pugixml | 1.9

Used for XML parsing and generation.

* **Repo**: <https://github.com/zeux/pugixml>
* **License**: MIT license (<https://github.com/zeux/pugixml/blob/master/LICENSE.md>)

### whisper.cpp | 1.8.2

Used to run the Whisper speech recognition model, converting audio tracks to text for LL-HLS captions and similar features.

* **Repo**: <https://github.com/ggml-org/whisper.cpp>
* **License**: MIT license (<https://github.com/ggml-org/whisper.cpp/blob/master/LICENSE>)