[
  "ffprobe",
  "-v",
  "error",
  "-threads",
  "2",
  "-select_streams",
  "v:0",
  "-show_streams",
  "-show_frames",
  "-show_entries",
  "stream=codec_name,width,height,pix_fmt,color_range,color_space,color_transfer,color_primaries,time_base,r_frame_rate,avg_frame_rate,nb_frames,duration:frame=pts_time,best_effort_timestamp_time,key_frame,pict_type,width,height",
  "-of",
  "json",
  "/data/codex-artifacts/contextra/action-model-eval/2026/2026-10-28_contextra-self-filming-original01-review_r01/clean_joined.mp4"
]