Sync Setup - Apple Logic Pro on the same computer
Introduction
The following explanation and screenshots are related to Logic Pro version 10.4.5, but the steps will be similar for other versions.
Video Sync features virtual MIDI ports, which mostly removes the need to create network MIDI sessions in Audio MIDI Setup in order to connect to a DAW on the same computer. When Video Sync is launched, it will create virtual MIDI ports named Video Sync MTC In, Video Sync MMC In & Video Sync Trigger In - which will automatically be pre-selected in Video Sync, & visible in your DAW.
{width=70%}
For this reason, it is advised to always launch Video Sync before launching the DAW. Failure to do so, may cause some of these settings to be reset to default - such that they need to be re-configured in Apple Logic Pro® again.
Some DAWs do not reconnect the virtual ports automatically if Video Sync is opened after the DAW. In cases where this happens often, it may be better to consider setting up ports via Audio MIDI Setup on the same computer.
Video Sync MTC / MMC Setup
To show the MIDI I/O options in Video Sync, first navigate to the SYNC tab of the Preferences window.
Set the Sync Source field to Other.
Next, make sure that all the ports are set to their default values Video Sync MTC In (virtual) & Video Sync MMC In (virtual) as per the image below:
{width=70%}
Logic Pro MTC (MIDI Timecode) Setup
With a project opened, go to File > Project Settings > Synchronization > MIDI tab
{width=80%}
In the first unused row, select Video Sync MTC In (virtual) & enable MTC.
For versions of Logic Pro prior to version 11, this window appears differently - with the same corresponding settings. Enable the Transmit MTC checkbox and select Video Sync MTC In (virtual) from the dropdown menu underneath.
{width=80%}
Logic Pro MMC (MIDI Machine Control) Setup
Still in File > Project Settings > Synchronization > MIDI tab, in the first unused row, select Video Sync MTC In (virtual) & enable MMC.
Enable to option Transmit MIDI Machine Control (MMC).
Ensure that the option Listen to MIDI Machine Control (MMC) Input is not enabled.
{width=80%}
For versions of Logic Pro prior to version 10.4.5, this window appears differently - with the same corresponding Transmit MMC setting enabled as follows:
{width=80%}
Enabling Synchronised playback
When hitting play or scrubbing within Logic, both the incoming timecode field should now be seen incrementing & the timecode rate displayed within the Incoming TC section to the left of the main timecode counter in Video Sync.
{width=70%}
If the Sync button to the left of the transport buttons isn't already blue, click on it to activate it to follow external sync.
{width=40%}
Video Sync MTC/MMC sync is now online & ready to go. Hit play in Logic Pro® and Video Sync will play back in sync.
Dealing with MTC sync with high frame rate content
Video Sync allows for synchronised playback of clips running at up to 60 frames per second. Being a standard from the 80s, MIDI timecode (MTC) does not support frame rates higher than 30 frames per second. To be able to play timelines with these high frame rate clips in sync to MTC, Video Sync will try to match the incoming TC at half the frame rate. For example, if the timeline has a 50fps clip, Video Sync will play it in sync if a 25fps MTC source is supplied.
In the timeline list, the timeline frame rate is shown here:
{width=60%}