Testing was done using both hardware and software decode. All testing done using Homebrew ffmpeg. Hardware decode ffmpeg -hwaccel videotoolbox -i [path-to-file-used] -c:v [Encoder]_videotoolbox -c:a copy -b:v 15M -f null - Testing matrices divided by input stream type 4K Rec. BT2020 (HDR10) HEVC Encoder Perf (fps) h264 53 hevc 50 prores 300 4K ProRes 422 Encoder Perf (fps) h264 45 hevc 37 prores 115 1080p H.264 Encoder Perf (fps) h264 185 hevc 188 prores 175 Software decode ffmpeg -i [path-to-file-used] -c:v [Encoder]_videotoolbox -c:a copy -b:v 15M -f null - Testing matrices divided by input stream type 4K Rec. BT2020 (HDR10) HEVC Encoder Perf (fps) h264 54 hevc 51 prores 115 4K ProRes 422 Encoder Perf (fps) h264 42 hevc 35 prores 36 1080p H.264 Encoder Perf (fps) h264 185 hevc 188 prores 630