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    "frame_number": "burned in, top left",
    "timecode": "burned in, under the frame number",
    "flash": "white square, top right, first 3 frames of every second",
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    "first_code": 0,
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    "display_aspect": "16:9",
    "orientation": "none",
    "colour": {
      "matrix": "bt709",
      "range": "limited",
      "tol": 8
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    "exact_seek": false,
    "beep_every_frames": 30,
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    "audio tracks",
    "duration",
    "layout",
    "ffmpeg decode",
    "gstreamer decode",
    "check run",
    "check log",
    "check duration",
    "check frames",
    "check orientation",
    "check aspect",
    "check timestamps",
    "check colour",
    "check a/v sync"
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  "recipe": {
    "duration_s": 6,
    "video": {
      "codec": "hevc",
      "width": 1920,
      "height": 1080,
      "fps": "30",
      "pix_fmt": "yuv420p",
      "matrix": "bt709",
      "primaries": "bt709",
      "transfer": "bt709",
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      "rate": 48000
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    "container": {}
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}