meta/info.json

{
  "codebase_version": "v2.0",
  "robot_type": "so100",
  "total_episodes": 2,
  "total_frames": 119,
  "total_tasks": 1,
  "total_videos": 4,
  "total_chunks": 1,
  "chunks_size": 1000,
  "fps": 30,
  "splits": {
    "train": "0:2"
  },
  "data_path": "data/chunk-{episode_chunk:03d}/episode_{episode_index:06d}.tsfile",
  "video_path": "videos/chunk-{episode_chunk:03d}/{video_key}/episode_{episode_index:06d}.mp4",
  "features": {
    "action": {
      "dtype": "float32",
      "shape": [
        6
      ],
      "names": [
        "main_shoulder_pan",
        "main_shoulder_lift",
        "main_elbow_flex",
        "main_wrist_flex",
        "main_wrist_roll",
        "main_gripper"
      ]
    },
    "observation.state": {
      "dtype": "float32",
      "shape": [
        6
      ],
      "names": [
        "main_shoulder_pan",
        "main_shoulder_lift",
        "main_elbow_flex",
        "main_wrist_flex",
        "main_wrist_roll",
        "main_gripper"
      ]
    },
    "observation.images.laptop": {
      "dtype": "video",
      "shape": [
        480,
        640,
        3
      ],
      "names": [
        "height",
        "width",
        "channels"
      ],
      "info": {
        "video.fps": 30.0,
        "video.height": 480,
        "video.width": 640,
        "video.channels": 3,
        "video.codec": "av1",
        "video.pix_fmt": "yuv420p",
        "video.is_depth_map": false,
        "has_audio": false
      }
    },
    "observation.images.phone": {
      "dtype": "video",
      "shape": [
        480,
        640,
        3
      ],
      "names": [
        "height",
        "width",
        "channels"
      ],
      "info": {
        "video.fps": 30.0,
        "video.height": 480,
        "video.width": 640,
        "video.channels": 3,
        "video.codec": "av1",
        "video.pix_fmt": "yuv420p",
        "video.is_depth_map": false,
        "has_audio": false
      }
    },
    "timestamp": {
      "dtype": "float32",
      "shape": [
        1
      ],
      "names": null
    },
    "frame_index": {
      "dtype": "int64",
      "shape": [
        1
      ],
      "names": null
    },
    "episode_index": {
      "dtype": "int64",
      "shape": [
        1
      ],
      "names": null
    },
    "index": {
      "dtype": "int64",
      "shape": [
        1
      ],
      "names": null
    },
    "task_index": {
      "dtype": "int64",
      "shape": [
        1
      ],
      "names": null
    }
  },
  "tsfile_conversion": {
    "source_dataset": "Vacuame/train4",
    "source_data_path": "data/chunk-{episode_chunk:03d}/episode_{episode_index:06d}.parquet",
    "converted_data_path": "data/chunk-{episode_chunk:03d}/episode_{episode_index:06d}.tsfile",
    "table_name": "vacuame_train4",
    "time_precision": "ms",
    "time_column": "Time = round(frame_index * 1000 / 30)",
    "tag_columns": [
      "episode_id",
      "task_id"
    ],
    "row_count": 119,
    "episode_files": 2,
    "vector_columns_flattened": {
      "observation.state": "state_0..state_5",
      "action": "action_0..action_5"
    },
    "frame_alignment": "episode_index selects the TsFile/video file; frame_index aligns with video frame index; episode_timestamp_s aligns with video time in seconds.",
    "notes": "meta/ and videos/ are mirrored from the source repository; only Parquet data is converted to TsFile."
  },
  "source_data_path": "data/chunk-{episode_chunk:03d}/episode_{episode_index:06d}.parquet"
}