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The Apple Pro Video Formats codecs, required for proper broadcast recodingrecording, are located in the directory shown below. If you do not see any codecs listed on the Apple machine running the Just In Engine (Mac) application, then this macOS machine has no Apple Pro Video Formats codecs installed:

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Due to licensing restrictions, we are not allowed to ship any Apple Pro Video codecs along with our products. But you can download and install the required codecs here: https://support.apple.com/kb/DL2050DL2100?viewlocale=en_US&locale=en_USGB

Hardware-accelerated H.264, HEVC, ProRes recording

Please be aware that the macOS Media Engine/hardware acceleration works only when working with progressive (pXX) video modes. When recording in interlaced mode (iXX), just:in mac fallbacks to the available CPU cores for the encoding process.