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Premiere Pro hands the picture to other applications through Mercury Transmit, the same route it uses for a Blackmagic or AJA output card. Our plugin registers as one of those devices, so you switch it on once in the preferences and Premiere feeds it from then on.

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Install the plugin

Open Settings in dfine.io Desktop, go to Plugin Sources, and install the Premiere plugin. Then quit Premiere Pro and start it again, because Premiere only reads its plugin folder at launch.

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Switch on Mercury Transmit

1

Open the playback preferences

In Premiere, go to Premiere Pro → Settings → Playback on macOS.
2

Enable Mercury Transmit

Tick Enable Mercury Transmit. Without it the whole device list stays inactive, no matter what else you set.
3

Select dfine.io Transmit

In the device list, tick the checkbox for dfine.io Transmit under Video Stream. Tick Audio Stream as well if you want sound on the stream.
Premiere Pro playback preferences with Mercury Transmit enabled and dfine.io Transmit selected for video and audio
4

Confirm with OK

Close the preferences. Premiere starts feeding the device right away.

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Check that it arrives

Play your sequence in Premiere, then switch to the Ingest tab in dfine.io Desktop. You should see the picture in the preview and the source listed as connected. Now press Start to go live.
Premiere only sends while it is playing or scrubbing. On a paused timeline the last frame stays on the stream, which is normal and not an error.

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When nothing arrives

If the preview stays empty, work through these in order. Premiere was running during the install. Quit it completely and start it again. This is by far the most common cause. Mercury Transmit is off. The device checkbox alone does nothing while the main switch above the list is unticked. Another device is claiming the output. If Blackmagic Playback or NDI output is also ticked, untick them and try again. Nothing is playing. Press play in Premiere. Without playback there are no frames to send.