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Larix Broadcaster is a professional streaming camera app for video and audio contribution using SRT, RTMP, Zixi, NDI, WebRTC, RTSP, and RIST protocols. It is built for mobile journalism, IRL streaming, remote production, and other live broadcasting workflows.

The app supports live streaming from iOS devices with high performance and flexibility. It offers H.264 and HEVC (H.265) video encoding, and AAC or Opus audio depending on protocol. It supports SRT in Caller, Listener, and Rendezvous modes (libsrt v1.5.3), with multipoint listener functionality. RTMP and RTSP are available with SSL (RTMPS/RTSPS). WebRTC is supported through WHIP signaling. Zixi integration provides AVC/HEVC support, SEI metadata, and Grove compatibility. NDI HX2 offers preview, Discovery Server support, and metadata setup. RIST streaming is supported in Push mode with Main and Simple profiles via librist v0.2.7.

You can configure multiple connection profiles and stream to several destinations simultaneously. The app includes a stand-by stream mode to launch in a paused state with different overlay settings. Pause is also supported to send muted sound and replace camera with alternate content.

Talkback is available via SRT, RTMP, Icecast, and SLDP, enabling audio return.

Larix supports UltraHD resolution and Dolby Vision HDR (via the HDR video menu). Both front and back cameras are supported, with live flipping, rotation between portrait and landscape, and hot switching. Multi-camera capture with picture-in-picture and side-by-side modes is available on iPhone XR, XS, and newer devices. It supports dual/triple camera setups including wide and telephoto lenses. Center Stage for iPads is also supported.

Camera controls include auto-exposure lock, white balance lock, manual color temperature, and pinch-to-zoom.


Adaptive bitrate streaming (ABR) is supported for SRT, with options for logarithmic descent, ladder ascent, and hybrid adjustment. Variable frame rate is also supported. ABR is disabled by default and can be enabled in the Video settings.

Bluetooth audio input and audio-only streaming are supported.

USB camera input is available on iPadOS 17 and later.

You can record streams as MP4 files, take screenshots, and save to iCloud. Recording customization allows higher resolution, alternate compatibility settings, and input gain control.

SEI metadata can be inserted into SRT, WebRTC, and RTMP streams for NTP sync using the Advanced menu.

Overlay features include GPS-based HTML overlays (requires Larix Premium), image, text, HTML layers, date/time overlays using Unicode LDML, and web widgets. You can assign specific overlays to live, paused, or stand-by states, and enable or disable layers while streaming.


Larix Grove enables easy sharing via deep links or QR codes. Visit https://softvelum.com/larix/grove/ for details.

Larix Broadcaster supports streaming to any media destinations including Nimble Streamer, Wowza, Red5, Flussonic, vMix, OBS Studio, and others. It works with major platforms like YouTube Live, Facebook Live, Twitch, Kick, Restream.io, Dacast, Cloudflare Stream, and more.

Larix Tuner cloud service support adds remote control, configuration backup, and session statistics. Visit the Larix Tuner website for more information.

Many features require a Larix Premium subscription. Premium removes the default overlay. It also unlocks multiple simultaneous outputs, Talkback, advanced overlays, ABR streaming, WHIP publishing, stream auto-start, USB/UVC camera support, and other. Learn more at https://softvelum.com/larix/premium/

Tutorials and documentation:
~ https://softvelum.com/larix/docs/
~ https://www.youtube.com/watch?v=Dhj0_QbtfTw
~ https://www.youtube.com/watch?v=4jOJm0XNxZc

Join our public beta testing at:
https://testflight.apple.com/join/mdxzNOxZ

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

Larix Broadcaster is a professional streaming camera app for video and audio contribution using SRT, RTMP, Zixi, NDI, WebRTC, RTSP, and RIST protocols. It is built for mobile journalism, IRL streaming, remote production, and other live broadcasting workflows.

The app supports live streaming from iOS devices with high performance and flexibility. It offers H.264 and HEVC (H.265) video encoding, and AAC or Opus audio depending on protocol. It supports SRT in Caller, Listener, and Rendezvous modes (libsrt v1.5.3), with multipoint listener functionality. RTMP and RTSP are available with SSL (RTMPS/RTSPS). WebRTC is supported through WHIP signaling. Zixi integration provides AVC/HEVC support, SEI metadata, and Grove compatibility. NDI HX2 offers preview, Discovery Server support, and metadata setup. RIST streaming is supported in Push mode with Main and Simple profiles via librist v0.2.7.

You can configure multiple connection profiles and stream to several destinations simultaneously. The app includes a stand-by stream mode to launch in a paused state with different overlay settings. Pause is also supported to send muted sound and replace camera with alternate content.

Talkback is available via SRT, RTMP, Icecast, and SLDP, enabling audio return.

Larix supports UltraHD resolution and Dolby Vision HDR (via the HDR video menu). Both front and back cameras are supported, with live flipping, rotation between portrait and landscape, and hot switching. Multi-camera capture with picture-in-picture and side-by-side modes is available on iPhone XR, XS, and newer devices. It supports dual/triple camera setups including wide and telephoto lenses. Center Stage for iPads is also supported.

Camera controls include auto-exposure lock, white balance lock, manual color temperature, and pinch-to-zoom.


Adaptive bitrate streaming (ABR) is supported for SRT, with options for logarithmic descent, ladder ascent, and hybrid adjustment. Variable frame rate is also supported. ABR is disabled by default and can be enabled in the Video settings.

Bluetooth audio input and audio-only streaming are supported.

USB camera input is available on iPadOS 17 and later.

You can record streams as MP4 files, take screenshots, and save to iCloud. Recording customization allows higher resolution, alternate compatibility settings, and input gain control.

SEI metadata can be inserted into SRT, WebRTC, and RTMP streams for NTP sync using the Advanced menu.

Overlay features include GPS-based HTML overlays (requires Larix Premium), image, text, HTML layers, date/time overlays using Unicode LDML, and web widgets. You can assign specific overlays to live, paused, or stand-by states, and enable or disable layers while streaming.


Larix Grove enables easy sharing via deep links or QR codes. Visit https://softvelum.com/larix/grove/ for details.

Larix Broadcaster supports streaming to any media destinations including Nimble Streamer, Wowza, Red5, Flussonic, vMix, OBS Studio, and others. It works with major platforms like YouTube Live, Facebook Live, Twitch, Kick, Restream.io, Dacast, Cloudflare Stream, and more.

Larix Tuner cloud service support adds remote control, configuration backup, and session statistics. Visit the Larix Tuner website for more information.

Many features require a Larix Premium subscription. Premium removes the default overlay. It also unlocks multiple simultaneous outputs, Talkback, advanced overlays, ABR streaming, WHIP publishing, stream auto-start, USB/UVC camera support, and other. Learn more at https://softvelum.com/larix/premium/

Tutorials and documentation:
~ https://softvelum.com/larix/docs/
~ https://www.youtube.com/watch?v=Dhj0_QbtfTw
~ https://www.youtube.com/watch?v=4jOJm0XNxZc

Join our public beta testing at:
https://testflight.apple.com/join/mdxzNOxZ

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

Larix Broadcaster is a professional streaming camera app for video and audio contribution using SRT, RTMP, Zixi, NDI, WebRTC, RTSP, and RIST protocols. It is built for mobile journalism, IRL streaming, remote production, and other live broadcasting workflows.

The app supports live streaming from iOS devices with high performance and flexibility. It offers H.264 and HEVC (H.265) video encoding, and AAC or Opus audio depending on protocol. It supports SRT in Caller, Listener, and Rendezvous modes (libsrt v1.5.3), with multipoint listener functionality. RTMP and RTSP are available with SSL (RTMPS/RTSPS). WebRTC is supported through WHIP signaling. Zixi integration provides AVC/HEVC support, SEI metadata, and Grove compatibility. NDI HX2 offers preview, Discovery Server support, and metadata setup. RIST streaming is supported in Push mode with Main and Simple profiles via librist v0.2.7.

You can configure multiple connection profiles and stream to several destinations simultaneously. The app includes a stand-by stream mode to launch in a paused state with different overlay settings. Pause is also supported to send muted sound and replace camera with alternate content.

Talkback is available via SRT, RTMP, Icecast, and SLDP, enabling audio return.

Larix supports UltraHD resolution and Dolby Vision HDR (via the HDR video menu). Both front and back cameras are supported, with live flipping, rotation between portrait and landscape, and hot switching. Multi-camera capture with picture-in-picture and side-by-side modes is available on iPhone XR, XS, and newer devices. It supports dual/triple camera setups including wide and telephoto lenses. Center Stage for iPads is also supported.

Camera controls include auto-exposure lock, white balance lock, manual color temperature, and pinch-to-zoom.


Adaptive bitrate streaming (ABR) is supported for SRT, with options for logarithmic descent, ladder ascent, and hybrid adjustment. Variable frame rate is also supported. ABR is disabled by default and can be enabled in the Video settings.

Bluetooth audio input and audio-only streaming are supported.

USB camera input is available on iPadOS 17 and later.

You can record streams as MP4 files, take screenshots, and save to iCloud. Recording customization allows higher resolution, alternate compatibility settings, and input gain control.

SEI metadata can be inserted into SRT, WebRTC, and RTMP streams for NTP sync using the Advanced menu.

Overlay features include GPS-based HTML overlays (requires Larix Premium), image, text, HTML layers, date/time overlays using Unicode LDML, and web widgets. You can assign specific overlays to live, paused, or stand-by states, and enable or disable layers while streaming.


Larix Grove enables easy sharing via deep links or QR codes. Visit https://softvelum.com/larix/grove/ for details.

Larix Broadcaster supports streaming to any media destinations including Nimble Streamer, Wowza, Red5, Flussonic, vMix, OBS Studio, and others. It works with major platforms like YouTube Live, Facebook Live, Twitch, Kick, Restream.io, Dacast, Cloudflare Stream, and more.

Larix Tuner cloud service support adds remote control, configuration backup, and session statistics. Visit the Larix Tuner website for more information.

Many features require a Larix Premium subscription. Premium removes the default overlay. It also unlocks multiple simultaneous outputs, Talkback, advanced overlays, ABR streaming, WHIP publishing, stream auto-start, USB/UVC camera support, and other. Learn more at https://softvelum.com/larix/premium/

Tutorials and documentation:
~ https://softvelum.com/larix/docs/
~ https://www.youtube.com/watch?v=Dhj0_QbtfTw
~ https://www.youtube.com/watch?v=4jOJm0XNxZc

Join our public beta testing at:
https://testflight.apple.com/join/mdxzNOxZ

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

Larix Broadcaster allows streaming video and audio live content from mobile device for real-time remote contribution.

NEW! Larix Tuner cloud service support, with remote control and management, config backup and sessions statistics. See Larix Tuner website for details.

~ SRT streaming in Caller (Push), Listen, Rendezvous mode, libsrt v.1.5.3
~ SRT multipoint listener support
~ RTMP and RTSP streaming with SSL for RTMPS/RTSPS
~ WebRTC support via WHIP signaling
~ Zixi protocol support to deliver live streaming with full set of advanced transmission techniques, with AVC/HEVC codecs, SEI timestamps and Grove support.
~ NDI®|HX2 support: preview stream, Discovery Server, metadata setup, handle zoom from NDI Studio Monitor
~ RIST protocol streaming in Push mode: RIST Main and Simple profiles via librist v.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
~ 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
~ Input audio gain control and source selection, Bluetooth audio
~ Audio-only capture support: disable preview, stream from background, no video in output stream. Use Audio menu to enable.
~ Pinch-to-zoom, all iPhone 11 cameras are used

USB cameras are supported on iPadOS 17+

- H.264 encoding for all protocols including WebRTC
- HEVC/H.265 encoding for SRT, RTMP, RIST, RTSP
- AAC audio, except for WebRTC
- Opus audio for WebRTC

Insert SEI metadata into SRT, WebRTC, RTMP for NTP sync up, via Advanced menu.

Larix Premium via in-app subscription is required for some of the features 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:
~ GPS HTML overlays (Larix Premium)
~ Image, text, HTML layers
~ Date/time support in overlays as defined in Unicode LDML
~ Web widgets
~ Assign layers for streaming, pause, stand-by
~ Enable layers on-the-fly

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

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.

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/

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

Larix Broadcaster allows streaming video and audio live content from mobile device for real-time remote contribution.

NEW! Larix Tuner cloud service support, with remote control and management, config backup and sessions statistics. See Larix Tuner website for details.

~ SRT streaming in Caller (Push), Listen, Rendezvous mode, libsrt v.1.5.3
~ SRT multipoint listener support
~ RTMP and RTSP streaming with SSL for RTMPS/RTSPS
~ WebRTC support via WHIP signaling
~ Zixi protocol support to deliver live streaming with full set of advanced transmission techniques, with AVC/HEVC codecs, SEI timestamps and Grove support.
~ NDI®|HX2 support: preview stream, Discovery Server, metadata setup, handle zoom from NDI Studio Monitor
~ RIST protocol streaming in Push mode: RIST Main and Simple profiles via librist v.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
~ 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
~ Input audio gain control and source selection, Bluetooth audio
~ Audio-only capture support: disable preview, stream from background, no video in output stream. Use Audio menu to enable.
~ Pinch-to-zoom, all iPhone 11 cameras are used

USB cameras are supported on iPadOS 17+

- H.264 encoding for all protocols including WebRTC
- HEVC/H.265 encoding for SRT, RTMP, RIST, RTSP
- AAC audio, except for WebRTC
- Opus audio for WebRTC

Insert SEI metadata into SRT, WebRTC, RTMP for NTP sync up, via Advanced menu.

Larix Premium via in-app subscription is required for some of the features 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:
~ GPS HTML overlays (Larix Premium)
~ Image, text, HTML layers
~ Date/time support in overlays as defined in Unicode LDML
~ Web widgets
~ Assign layers for streaming, pause, stand-by
~ Enable layers on-the-fly

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

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.

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/

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

Larix Broadcaster allows streaming video and audio live content from mobile device for real-time remote contribution.

NEW! Larix Tuner cloud service support, with remote control and management, config backup and sessions statistics. See Larix Tuner website for details.

~ SRT streaming in Caller (Push), Listen, Rendezvous mode, libsrt v.1.5.3
~ SRT multipoint listener support
~ RTMP and RTSP streaming with SSL for RTMPS/RTSPS
~ WebRTC support via WHIP signaling
~ Zixi protocol support to deliver live streaming with full set of advanced transmission techniques, with AVC/HEVC codecs, SEI timestamps and Grove support.
~ NDI®|HX2 support: preview stream, Discovery Server, metadata setup, handle zoom from NDI Studio Monitor
~ RIST protocol streaming in Push mode: RIST Main and Simple profiles via librist v.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
~ 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
~ Input audio gain control and source selection, Bluetooth audio
~ Audio-only capture support: disable preview, stream from background, no video in output stream. Use Audio menu to enable.
~ Pinch-to-zoom, all iPhone 11 cameras are used

USB cameras are supported on iPadOS 17+

- H.264 encoding for all protocols including WebRTC
- HEVC/H.265 encoding for SRT, RTMP, RIST, RTSP
- AAC audio, except for WebRTC
- Opus audio for WebRTC

Insert SEI metadata into SRT, WebRTC, RTMP for NTP sync up, via Advanced menu.

Larix Premium via in-app subscription is required for some of the features 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:
~ GPS HTML overlays (Larix Premium)
~ Image, text, HTML layers
~ Date/time support in overlays as defined in Unicode LDML
~ Web widgets
~ Assign layers for streaming, pause, stand-by
~ Enable layers on-the-fly

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

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.

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/

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

Larix Broadcaster allows streaming video and audio live content from mobile device for real-time remote contribution.

NEW! Larix Tuner cloud service support, with remote control and management, config backup and sessions statistics. See Larix Tuner website for details.

~ SRT streaming in Caller (Push), Listen, Rendezvous mode, libsrt v.1.5.3
~ SRT multipoint listener support
~ RTMP and RTSP streaming with SSL for RTMPS/RTSPS
~ WebRTC support via WHIP signaling
~ Zixi protocol support to deliver live streaming with full set of advanced transmission techniques, with AVC/HEVC codecs, SEI timestamps and Grove support.
~ NDI®|HX2 support: preview stream, Discovery Server, metadata setup, handle zoom from NDI Studio Monitor
~ RIST protocol streaming in Push mode: RIST Main and Simple profiles via librist v.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
~ 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
~ Input audio gain control and source selection, Bluetooth audio
~ Audio-only capture support: disable preview, stream from background, no video in output stream. Use Audio menu to enable.
~ Pinch-to-zoom, all iPhone 11 cameras are used

USB cameras are supported on iPadOS 17+

- H.264 encoding for all protocols including WebRTC
- HEVC/H.265 encoding for SRT, RTMP, RIST, RTSP
- AAC audio, except for WebRTC
- Opus audio for WebRTC

Insert SEI metadata into SRT, WebRTC, RTMP for NTP sync up, via Advanced menu.

Larix Premium via in-app subscription is required for some of the features 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:
~ GPS HTML overlays (Larix Premium)
~ Image, text, HTML layers
~ Date/time support in overlays as defined in Unicode LDML
~ Web widgets
~ Assign layers for streaming, pause, stand-by
~ Enable layers on-the-fly

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

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.

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/

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

Larix Broadcaster allows streaming video and audio live content from mobile device for real-time remote contribution.

NEW! Larix Tuner cloud service support, with remote control and management, config backup and sessions statistics. See Larix Tuner website for details.

~ SRT streaming in Caller (Push), Listen, Rendezvous mode, libsrt v.1.5.3
~ SRT multipoint listener support
~ RTMP and RTSP streaming with SSL for RTMPS/RTSPS
~ WebRTC support via WHIP signaling
~ Zixi protocol support to deliver live streaming with full set of advanced transmission techniques, with AVC/HEVC codecs, SEI timestamps and Grove support.
~ NDI®|HX2 support: preview stream, Discovery Server, metadata setup, handle zoom from NDI Studio Monitor
~ RIST protocol streaming in Push mode: RIST Main and Simple profiles via librist v.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
~ 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
~ Input audio gain control and source selection, Bluetooth audio
~ Audio-only capture support: disable preview, stream from background, no video in output stream. Use Audio menu to enable.
~ Pinch-to-zoom, all iPhone 11 cameras are used

USB cameras are supported on iPadOS 17+

- H.264 encoding for all protocols including WebRTC
- HEVC/H.265 encoding for SRT, RTMP, RIST, RTSP
- AAC audio, except for WebRTC
- Opus audio for WebRTC

Insert SEI metadata into SRT, WebRTC, RTMP for NTP sync up, via Advanced menu.

Larix Premium via in-app subscription is required for some of the features 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:
~ GPS HTML overlays (Larix Premium)
~ Image, text, HTML layers
~ Date/time support in overlays as defined in Unicode LDML
~ Web widgets
~ Assign layers for streaming, pause, stand-by
~ Enable layers on-the-fly

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

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.

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/

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

Larix Broadcaster allows streaming video and audio live content from mobile device for real-time remote contribution.

NEW! Larix Tuner cloud service support, with remote management and control, config backup and sessions statistics. See Larix Tuner website for details.

~ SRT streaming in Caller (Push), Listen, Rendezvous mode, libsrt v.1.5.3
~ SRT multipoint listener support
~ RTMP and RTSP streaming with SSL for RTMPS/RTSPS
~ WebRTC support via WHIP signaling
~ Zixi protocol support to deliver live streaming with full set of advanced transmission techniques, with AVC/HEVC codecs, SEI timestamps and Grove support.
~ NDI®|HX2 support: preview stream, Discovery Server, metadata setup, handle zoom from NDI Studio Monitor
~ RIST protocol streaming in Push mode: RIST Main and Simple profiles via librist v.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
~ 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
~ Input audio gain control and source selection, Bluetooth audio
~ Audio-only capture support: disable preview, stream from background, no video in output stream. Use Audio menu to enable.
~ Pinch-to-zoom, all iPhone 11 cameras are used

USB cameras are supported on iPadOS 17+

- H.264 encoding for all protocols including WebRTC
- HEVC/H.265 encoding for SRT, RTMP, RIST, RTSP
- AAC audio, except for WebRTC
- Opus audio for WebRTC

Insert SEI metadata into SRT, WebRTC, RTMP for NTP sync up, via Advanced menu.

Larix Premium via in-app subscription is required for some of the features 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:
~ GPS HTML overlays (Larix Premium)
~ Image, text, HTML layers
~ Date/time support in overlays as defined in Unicode LDML
~ Web widgets
~ Assign layers for streaming, pause, stand-by
~ Enable layers on-the-fly

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

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.

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/

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