[JIM] Channel Settings BMD v.6.2

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Settings

You can find a description of each Channel setting below:

Device: Select the Video Device (Blackmagic Design) for this Channel.

Input Mode: Select the Input Mode for this Channel. Available options, depending on the Device are:

  • SDI (Blackmagic DeckLink)

Input: Choose the Input of the Device for this Channel here (for Blackmagic Design Channels, only option ā€œInput #1ā€ is available).

Audio Input: Choose between different Audio Input options. Audio Input options are:

  • Auto (same as video, normally SDI)

  • External (NEW in v.6.2): When utilizing the External option, a channel can utilize any audio input available within the macOS Sound input preferences as the audio source. Therefore, USB audio interfaces such as the Focusrite Scarlett 2i2 are now supported. Furthermore, the Dante Virtual Soundcard can be utilized as an Audio Input option. Additionally a delay in frames for the video pipeline can be added here. Please note that the delay option is only available when using the External Audio Input option.

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When using BMD inputs as external audio sources, this allows for cascading audio from one input to another. This feature empowers you to distribute audio internally and in backup scenarios with unprecedented ease.

Video Mode: Select the Video mode and ensure that it matches the incoming VideoĀ Signal, which is attached to the selected Channel. If it does not match, a warning will be shown (ā€œNo Signalā€).

Please beware that ā€œPSFā€ video mores are limited to HD modes and AJA devices.

File Overwrite Strategy:

  • Append Counter (Default): When using this option, the Just In Engine application will add ā€œ_2ā€ to the actual file name to avoid overwriting an already existing file.

  • Replace: By choosing this option, the Just In Engine application will overwrite a file with the same name at the target location.

Chunk Length: defines the maximum length of the recorded Video.Ā The maximum Chunk Length is 12 hours, the default option is 2 hours (02:00:00:00).

  • If the Recording does not reach the entered Chunk Length, the recorded clips will be automatically truncated to the expected recorded length.

  • RecordingĀ exceeds the entered Chunk Length: A new Recording (generating a new clip) will automatically be started.

Start Timecode:Ā Enabling this option overrides the local time or incoming timecode and makes every new clip start with the defined timecode value.

Port: port to access theĀ Channel from just:in mac over an IP connection. The default port for the first Channel is 50000, 50001 for the second Channel, and so on. You can keep this setting if the chosen ports are not in use on this machine.

MXF Write Buffer (Bytes in binary):Ā This setting can be used to tune MXF writing for specific storage requirements, but should only be changed with care as it may lead to unexpected results including write errors. Recommended value: ā€œBlock size of storageā€.

VTR Control: Select the serial RS-422 connection you want to use to control your VTR.

VTR Preroll in Seconds: Set the desired VTR pre-roll value in seconds (1-10). The default value is ā€œ5ā€.

Restart On No Signal if Not Recording: If this option is enabled, the Channel will automatically restart after a signal loss (only in Idle Mode). Available options are:

  • Close container, write to new: Recording to the current file will be stopped and as soon as there is a valid signal again the recording will start into a new file.

  • Close container and stop: Recording will be stopped when a Channel detects a signal loss.

Cache Options:

  • Don't Cache:Ā Files are directly written to disk, no caching is done.

  • Cache (Default):Ā Tells the internal macOS Ethernet controller to cache data to flush it to the network stack later to improve write performance.

Action on Timecode break:

  • Ignore: The Channel ignores timecode breaks.

  • Create new file: The ChannelĀ creates a new file upon a timecode break.

Preview

You can manually override the resolution,Ā frame rate,Ā and quality of the Video Previews within Just Control. This may be helpful to increase performance when displaying many Channels in Just Control. Please refer to the Channel Preview Options below for more information.

Resolution: Two resolution options are available:

  • High:Ā 640Ɨ360px

  • Low:Ā 480Ɨ270pxĀ 

Frame rate:Ā The preview frame rate can be changed between ā€œ0ā€ (i.e. native frame rate) and ā€œ30ā€ (if the channel frame rate is higher than ā€œ30ā€, then the preview will be limited to 30 fps).

Quality: The ā€œPreview Qualityā€ setting can be changed between ā€œ10%ā€ and ā€œ100%ā€ (the default value is ā€œ50%ā€).

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