Supported input and output types

For formats see Supported video formats and frame rates

SDI

AJA

See System Requirements for supported AJA video cards

Input/Output options

Input	Device Only shown if more than one AJA card is present.	Device name and number
	Input source	Spigot number `1-8`
	Channel	Fill - default setting, allows for using the internal Video Keyer (default) Key - the video is keyed externally and is provided as a separate fill and key signal Fill and Key combined - the video is keyed externally and is provided as a combined fill and key signal Use a media input for Key. The camera system needs to be Fill.
	Metadata	Extract tracking from audio > Audio channel
	Color > Range	Learn more about SDI signal range
Output	Device Only shown if more than one AJA card is present.	Device name and number
	Output destination	Spigot number `1-8`
	Output type	Fill - for internal compositing mode (default) Key - for external compositing mode Learn more about Compositing modes
	Audio	Pass-through audio and Engine audio Learn more about how to Configure audio output and pass-through
	Color > Range	Learn more about SDI signal range
	Color > Super brights	By default super bright values are clamped, but can be allowed through for HDR workflows.

BMD

See System Requirements for supported BlackMagic Design DeckLink video cards

Blackmagic Desktop Video Setup

Set the Connector Mapping to SDI 1 In or Out in the Blackmagic Desktop Video Setup application

Blackmagic Desktop Video Setup application - Connector Mapping options

SDI 1 & 2 In, SDI 3 & 4 Out	This option requires two cables for a single input. Not something that you would often use.
SDI 1 to 4 In or Out	This option is for 8k or UHD2, it requires all four cables to be used for a single input or output. Not something that you would often use.
SDI 1 In, SDI 2 Out	This option is a full duplex mode, if you use this you must use the same spigots within Director (e.g. Camera SDI 1, and Output SDI 1). This can help if you have no reference -- but not having a Genlock reference is STRONGLY not advised.
SDI 1 In or Out	This option treats all spigots as either a single input or single output (e.g. Camera SDI 1, and Output SDI 2). This is the suggested mode for Pixotope.

Input/Output options

Input	Input source	Spigot number `1-8`
	Channel	Fill - default setting, allows for using the internal Video Keyer (default) Key - the video is keyed externally and is provided as a separate fill and key signal Fill and Key combined - the video is keyed externally and is provided as a combined fill and key signal Use a media input for Key. The camera system needs to be Fill.
	Metadata	Extract tracking from audio > Audio channel
	Color > Range	Learn more about SDI signal range
Output	Output destination	Spigot number `1-8`
	Output type	Fill - for internal compositing mode (default) Key - for external compositing mode Learn more about Compositing modes
	Audio	Enable Learn more about how to Configure audio output
	Color > Range	Learn more about SDI signal range
	Color > Super brights	By default super bright values are clamped, but can be allowed through for HDR workflows.

Matrox

See System Requirements for supported Matrox video cards

Matrox card configuration

Matrox card configuration (example for DSX LE5 LP /4)

Close Pixotope and any Matrox tool
- Card to be configured should NOT be in use
Open Power shell (or cmd) with Administrator privileges
Go to C:\Program Files\Matrox DSX-TopologyUtils\drivers\Xmio5Le5ConnectorMapping\Dsxle5lp

Get configuration file name

Execute dir to get a list of available .pin configuration files
Choose the file based on the needed inputs and outputs
- The format is: [card name]_[total]_[inputs]i[outputs]o
  - 4_ or 8_ = total channels
  - XXi = number of inputs
  - YYo = number of outputs
  Example: 4_02i02o = 4 total channels (2 inputs, 2 outputs)
Note down the Configuration file name (including the extension .pin)

Get serial number

Execute ..\..\mvConnectorConfig.exe list
Note down the Serial number (S/N)

Example:

CODE

PS C:\Program Files\Matrox DSX-TopologyUtils\drivers\Xmio5Le5ConnectorMapping\Dsxle5lp> ..\..\mvConnectorConfig.exe list

<< Matrox Connectors Configuration tool >> Mon Sep 15 10:52:37 2025
Available hardware:

   0) DSXLE5 S/N=A680572

Configure card

Execute ..\..\mvConnectorConfig.exe load -f="[Configuration file name]" -sn=[Serial number]

Example:

CODE

PS C:\Program Files\Matrox DSX-TopologyUtils\drivers\Xmio5Le5ConnectorMapping\Dsxle5lp> ..\..\mvConnectorConfig.exe  load -f="dsxle5lp_4_04i00o.pin"  -sn=A680572

<< Matrox Connectors Configuration tool >> Mon Sep 15 10:54:58 2025

Updating card 0-DLE5L/4/100-S/N A680572
Successfully updated card 0-DLE5L/4/100-S/N A680572

Verify the configuration

Execute ..\..\mvConnectorConfig.exe -ShowCurrent -sn=[Serial number]

Example

CODE

PS C:\Program Files\Matrox DSX-TopologyUtils\drivers\Xmio5Le5ConnectorMapping\Dsxle5lp> ..\..\mvConnectorConfig.exe  -ShowCurrent -sn=A680572

<< Matrox Connectors Configuration tool >> Mon Sep 15 10:56:34 2025
Current IO Configuration:
   SDI Inputs  = 4
   SDI Outputs = 0

Input/Output options

Input	Input source	Spigot number `1-12`
	Channel	Fill - default setting, allows for using the internal Video Keyer (default) Key - the video is keyed externally and is provided as a separate fill and key signal Fill and Key combined - the video is keyed externally and is provided as a combined fill and key signal Use a media input for Key. The camera system needs to be Fill.
	Metadata	Extract tracking from audio > Audio channel
	Color > Range	Learn more about SDI signal range
Output	Output destination	Spigot number `1-12`
	Output type	Fill - for internal compositing mode (default) Key - for external compositing mode Learn more about Compositing modes
	Color > Range	Learn more about SDI signal range
	Color > Super brights	By default super bright values are clamped, but can be allowed through for HDR workflows.

File

Not recommended for on-air use!

Playback

File playback targets the same frame rate as the Lock source, but consistent speed cannot be guaranteed. This depends on the read rate of your hard drive

Recording

Starting the recording leads the videoIO service to rebuild causing
- all file inputs to restart
- and all other inputs to show a short glitch
Recording 1 or more outputs has performance costs

Input (playback)	Input source	Video: `avi, mkv, mov, mp4, mpeg, mpegts, ts, webm` Images: `bmp, jpeg, jpg, png, tga, tiff`
Input (playback)	Channel	Fill - default setting, allows for using the internal Video Keyer (default) Key - the video is keyed externally and is provided as a separate fill and key signal Fill and Key combined - the video is keyed externally and is provided as a combined fill and key signal Use a media input for Key. The camera system needs to be Fill.
Output (recording)	Output destination	Name of your output stream Format: `mkv` \| Codec: `h264` \| Embed tracking (optional): Audio channel `1 or 2`
Output (recording)	Output type	Fill Key Learn more about Compositing modes

Learn more about how to Record and playback files with tracking

GPU

This allows you to output to an HDMI output of your graphics card directly. The output is stretched to the whole monitor’s resolution and put in the "background". It can be used seamlessly in a dual monitor setup.

GPU output does not support Genlock

Output

Output destination

Graphics card output 1-8

Output type

Fill
Key

Learn more about Compositing modes

Output format

In addition to the generally Supported video formats

Custom (progressive)
- Custom width
- Custom height

Image sequence

Not recommended for on-air use!

File playback targets the same frame rate as the Lock source, but consistent playback cannot be guaranteed (depends on the read rate of your hard drive).

Input	Input source	Folder with `png` files, numbered with a fixed set of digits at the end
Input	Channel	Fill Key Fill and Key combined Learn more about Compositing modes

NDI

Video streaming protocol - What is NDI?

Input	Input source	Any NDI stream on this network
Input	Channel	Fill - default setting, allows for using the internal Video Keyer (default) Key - the video is keyed externally and is provided as a separate fill and key signal Fill and Key combined - the video is keyed externally and is provided as a combined fill and key signal Use a media input for Key. The camera system needs to be Fill.
Output	Output destination	Name of your output stream
	Output type	Fill Key Fill and Key combined - for downstream compositing Learn more about Compositing modes
	Output quality	UYVY (YCbCr 4:2:2) UYVA (YCbCr 4:2:2 + alpha) RGB (Planar 8bit 4:4:4) RGBA (Planar 8bit 4:4:4:4 + alpha)

SRT

SRT is an established open source video streaming protocol

Input and Output	Mode	Caller The Caller machine uses the IP address to establish the connection Listener - default The Listener machine is waiting for a Caller machine to establish the connection
	Send to	Applicable for Caller mode IP addresses of all connected machines Custom IP address
	Port	Port number - default: `16213`
	Codec	MPEG4 - default H264
	Latency buffer	Latency in ms - default: `120`
	Password	If a password is set, the stream is encrypted - default: no password set

The frame rate of the incoming stream (caller) and the input (listener) must be the same!

If the Editor drops its frame rate well below the one chosen, it will lead to an SRT input buffer overflow. This then causes a rebuild of the videoIO pipeline which will, during rebuild, display “Misconfigured Input Signal”.

The frame rate of the output (caller) and the listener of the stream must be the same!

If the receiver of the output is not able to consume the incoming packets fast enough its SRT receiver buffer will overflow and most likely break the connection.

Ways to send an SRT stream

Pixotope

You can use another Pixotope machine to output an SRT stream.

Learn more about how to Configure routing

FFMPEG

Run ffmpeg as source via command line

CODE

ffmpeg.exe -fflags nobuffer -re -protocol_whitelist file,srt -i <here_input_file> -r 30 -g 30 -b:v 25M -vcodec mpeg4 -f mpegts srt://10.11.36.22:16210

Options used:

-fflags nobuffer- lower latency

-re - realtime playback with frame pacing here defined by -r 30

-i <here_input_file> - input source, may be a file (with path) or a url

-protocol_whitelist file,srt - on some (older or not full build) ffmpeg versions, a manual whitelisting of protocols may be required

-g 30 - GroupOfPictures size, here every the 30th frame is a key frame. Lower value means lower latency but very low values may impact quality whilst using temporal codecs (mpeg4, h264)

-b:v 25M- maximum bitrate used - here 25 MBps - quality versus required bandwidth. If user see frame drops (in the logs) it will cause broken image after decoding (broken macroblocks or whole areas of frame) should try to lower that value

-vcodec mpeg4- recommended codec

-f mpegts- transport format (only mpegts is supported)

srt://10.11.36.22:16210 - target IP and port

Ways to read an SRT stream

Pixotope

You can use the stream as an input to another Pixotope machine.

Learn more about how to Configure routing

VLC (only as Caller)

Open Network
Enter the IP address in the following format: srt://192.168.1.1:16213

FFPLAY

Run ffplay as sink via command line

CODE

ffplay.exe srt://0.0.0.0:16210?mode=listener -framerate 30

Options used:

srt://0.0.0.0:16210 - target port

-framerate 30 - for older versions of ffplay one has to specify the frame rate to secure against buffer overflow

ST2110

The industry-standard protocol for high-quality, uncompressed video over IP.

Input	Input source	Unicast Multicast for Uncompressed Video (ST2110-20) and Ancillary (ST2110-40) carrying timecode
Input	Channel	Fill - default setting, allows for using the internal Video Keyer (default) Key - the video is keyed externally and is provided as a separate fill and key signal Fill and Key combined - the video is keyed externally and is provided as a combined fill and key signal Use a media input for Key. The camera system needs to be Fill.
Output	Output destination	Unicast Multicast for Uncompressed Video (ST2110-20) and Ancillary (ST2110-40) carrying timecode
Output	Output type	Fill - for internal compositing mode (default) Key - for external compositing mode Learn more about Compositing modes

Webcam

Input	Input source	Any webcam which is registered in the system
Input	Channel	Fill