Larix Broadcaster 4+

Larix Broadcaster is SRT / WebRTC / RTMP / NDI / RTSP / RIST streaming camera app for remote contribution

Larix Broadcaster allows streaming video and audio live content from mobile device for real-time remote contribution.
~ SRT streaming in Caller (Push), Listen and Rendezvous mode, libsrt version 1.5.0
~ RTMP and RTSP streaming
~ WebRTC support via WHIP signaling
~ NDI®|HX2 support: preview stream, Discovery Server, metadata setup, handle zoom from NDI Studio Monitor
~ SSL support for RTMPS/RTSPS
~ RIST protocol streaming in Push mode: RIST Main and Simple profiles via librist version 0.2.7
Watch tutorial on connections https://www.youtube.com/watch?v=Dhj0_QbtfTw
~ Multiple simultaneous connections support: add several connections profiles and choose any of them for parallel streaming.
~ Pause the stream: long tap on Start will pause the stream without disconnecting it, video track will contain a black screen, audio track will contain only silence.
~ Stand-by stream mode: when stream is stopped, long-tap to start a stream in pause mode with separate set of overlays.
~ Watch video tutorial on overlays, pause and stand-by: https://www.youtube.com/watch?v=4jOJm0XNxZc
~ Talkback for getting audio return feed via SRT, RTMP, Icecast and SLDP. Read more here: https://softvelum.com/larix/talkback/
~ UltraHD resolution support.
~ Dolby Vision HDR support (Settings / Video / HDR video menu)
~ Front and back cameras are supported with hot flip.
~ Landscape and portrait mode with live rotation.
~ Multi-camera capture with picture-in-picture and side-by-side on XR, XS and later devices.
~ Dual/Triple camera system support, including wide-angle and telephoto camera.
~ Center stage for iPads, enabled as described at https://support.apple.com/en-us/HT212315
~ Audio-only capture support: disable preview, stream from background, no video in output stream. Use Audio menu in Larix settings to enable.
~ Autoexposure lock, white balance lock, manual color temperature in Quick settings.
~ Saving to MP4, making screenshots, iCloud support
~ Recording "Compatibility" option in case resulting file has black frames at preview.
~ Record with different parameters like larger resolution
~ Bluetooth audio.
~ Input audio gain control and source selection.
~ Pinch-to-zoom, all iPhone 11 cameras are used.

- H.264 encoding for all protocols including WebRTC
- HEVC/H.265 encoding for SRT, RIST, RTSP
- HEVC over RTMP is supported using Enhanced RTMP spec
- AAC audio, except for WebRTC
- Opus audio for WebRTC

Insert SEI metadata for NTP sync up, along with specifying NTP server; enabled in Advanced menu.

Some of the features are available via in-app subscription: https://softvelum.com/larix/premium/

Larix Grove https://softvelum.com/larix/grove/ can be used for easy links distribution via deep links / QR codes.

Overlays support:
~ Define image layers with external URL and local images
~ Assign layers for all mode: streaming, pause and stand-by
~ Define text and web overlays (web widgets)
~ Date/time support in overlays as defined in Unicode LDML
~ Enable layers on-the-fly
Watch video tutorial on overlays: https://www.youtube.com/watch?v=4jOJm0XNxZc

Adaptive bitrate (ABR) is available with logarithmic descend, ladder ascend, hybrid approach for SRT and variable FPS. It's disabled by default, check Video menu to use. Learn more in Q11 here: https://softvelum.com/larix/faq/#qabr

~ Streams to any media server like Nimble Streamer, Wowza Streaming Engine, Red5, Flussonic or any other
~ Streams to vMix, OBS Studio and other desktop software
~ Streams to Facebook Live, YouTube Live, Twitch, Restream.io, Dacast and other live services
~ Streams to Cloudflare Stream via SRT, WebRTC and RTMP

Join our public beta testing to get new updates among the first: https://testflight.apple.com/join/mdxzNOxZ

Full reference of docs regarding setup and usage: https://softvelum.com/larix/docs/

Also, visit our website to get Larix streaming SDK.

Larix Broadcaster uses Apple’s Standard License Agreement (https://www.apple.com/legal/internet-services/itunes/dev/stdeula/)