Technical

Tips, Tricks and Technical Information

Controlling FlowCaster

FlowCaster SwirlFlowCaster creates a virtual I/O board for your creative software, desktop, SDI I/O board, or NDI source that sends a high quality video signal through the network for display on a local monitor.  This article covers controlling and configuring FlowCaster through command line, its settings, and via remote control.

 

Command Line Parameters

 

Usage: d:\drastic.trunk\bin64\flowcaster.exe [options]

Options:
-n, --ndisource NDI Source
-u, --urldestination URL to send to
-N, --name User name
-p, --password SRT password (min 10 char)
-I, --sourcenumber Source ID number
-s, --source <0-12 See Docs> A/V Source
-t, --transport <0-5: NDI,UDP,RTP,TR01,SRT,RTMP> Output Transport Type
-x, --extrastreams <0-allow, 1-disable> Extra streams that Haivision Player can't handle
-a, --audchan <1 (st mix), 2, 4, 8, 16, 24, 32> Number of output audio channels
-c, --codec <0-4: h264,h264_10,HEVC,HEVC_10,J2K> Codec
-i, --iframeorder <0-IBBP, 1-IPP, 2-III> Frame order
-b, --bitrate <# kilobits per second> Kilobits per second
-l, --latency <# milliseconds> Latency in milliseconds
-e, --encryption <0-none, 1-128, 2-256> Encryption level
-B, --board <# kilobits per second> Source 0-All, 2-AJA, 3-AJA
Shared, 4-Bluefish444,
5-Blackmagic, 6-UltraScope,
7-Matrox, 8-USB, 11-NDI,
12-Screen
-f, --format Signal format
-P, --playlocally Play audio locally
-V, --screen <# kilobits per second> Screen or board to send 0..n
-X, --watermarkx X position of the watermark
-Y, --watermarky Y position of the watermark
-W, --watermark Path and name of the watermark file
-z, --netx Parent Net-X-Code
-m, --minimized Start app minimized
-C, --config <0-All, 1-CS, 2-FCApp> Just display config page
-S, --saveconfig <0-NC, 1-CS, 2-FCApp> Save to settings
-L, --license Run for licensing
-?, -h, --help Displays this help
-v, --version Displays version

 

Windows (registry)

Creative Software Settings:

HKEY_CURRENT_USER\Software\Drastic\FlowCaster

Applications (SDI/HDMI/NDI/Desktop) Settings:

HKEY_CURRENT_USER\Software\Drastic\FlowCaster1

 

macOS (~\Library\Preferences\)

Creative Software Settings:

/Library/Application\ Support/Drastic/com.drastictech.flowcaster.plist

Applications (SDI/HDMI/NDI/Desktop) Settings:

/Library/Application\ Support/Drastic/com.drastictech.flowcaster1.plist

 

Linux (~\.config\)

Creative Software Settings:

FlowCaster.conf

Applications (SDI/HDMI/NDI/Desktop) Settings:

FlowCaster1.conf

 

Settings:

  • AudioMode - what audio channels to send
    • Stereo - 0
    • Stereo Mix - 1
    • 4 channels - 2
    • 8 channels - 3
    • 16 channels - 4
  • ColorSpace
  • Compression - compression for stream as a fourcc code
    • h264 - 875967080
    • h264 10 Bit - 1630680628
    • HEVC - 1752589105
    • HEVC 10 Bit - 1752589153
    • JPEG 2000 - 1598501450
  • DataRate - in kilobits per second (megabits per second divided by 1000)
  • Email - email address for licensing
  • Enabled - enable transmission of SDI/HDMI/NDI
  • Encryption - type of encryption to use
    • 0 - None
    • 1 - AES 128
    • 2 - AES 256
  • FPS
  • IBP - the IBP structure of the compressed stream
    • IBBP - 0
    • IPPP - 1
    • IIII - 2
  • Latency - the number of milliseconds to use to recover packets
  • Password - password to use for the encryption (must be at least 10 characters)
  • SDR_HDR
  • SendHDRSignals - 1 if it should send HDR signals to the receiver
  • StreamNo - stream number to set for this send
  • TransferType
  • Type - protocol to send the stream as
    • SRT - Caller
    • SRT - Listener
    • SRT - Rendezvous
    • RTP
    • UDP
    • RTMP
    • NDI
    • CDI
    • RIST
    • WebRTC
    • SMPTE 2110
  • URL - the target address (eg. srt://199.0.0.123:5000?mode=caller)
  • User - the user name to use with the URL you are sending to (optional)
  • UserName - user name for licensing
  • Watermark - a path to a watermark file (normally PNG 32 bit)
  • WatermarkX - the horizontal offset at which to display the watermark image
  • WatermarkY - the vertical offset at which to display the watermark image

 

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For more than two decades, Drasticâ„¢ has been developing cutting edge solutions for television, post production and sports broadcasting, from real time web delivery to 8K broadcast.

We offer standalone software for the end user or enterprise, integrated solutions for automated workflows, and OEM tools for custom applications or branded devices.

Contact Us

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Toronto, ON
M8Y 1J7, Canada

Phone: +1 (416) 255 5636

Email: info@drastictech.com

Fax: + 1 (416) 255 8780