| { |
| "schema_name": "sample_metadata_json", |
| "schema_version": 4, |
| "artifact_suffix": ".json", |
| "format": "json", |
| "row_grain": "one metadata sidecar per WebDataset sample", |
| "description": "Minimal public metadata needed to identify, align, mask, and filter one WebDataset sample. Detailed action/state/event field contracts live in schema/actions_bin.json, schema/state_bin.json, and schema/events.json.", |
| "privacy_boundary": { |
| "contains_steam_ids": false, |
| "contains_online_account_ids": false, |
| "raw_demo_files_redistributed": false, |
| "contains_player_names": false, |
| "player_reference": "pov_idx is stable only within a match_id and is not stable across matches" |
| }, |
| "required_fields": [ |
| "metadata_schema_version", |
| "actions_schema_version", |
| "state_schema_version", |
| "events_schema_version", |
| "postprocess_version", |
| "sample_key", |
| "match_id", |
| "round_idx", |
| "round_id", |
| "pov_idx", |
| "team_side", |
| "map_slug", |
| "resolution", |
| "video_width", |
| "video_height", |
| "clip_start_tick", |
| "clip_end_tick", |
| "round_start_tick", |
| "round_decision_tick", |
| "round_stop_tick", |
| "round_winner", |
| "round_end_reason", |
| "pov_round_result", |
| "frame0_tick", |
| "frame_tick_stride", |
| "frames", |
| "fps", |
| "duration_s", |
| "tick_rate", |
| "alive_start_tick", |
| "alive_end_tick", |
| "alive_start_frame", |
| "alive_end_frame", |
| "alive_frames", |
| "alive_duration_s", |
| "survival_fraction", |
| "has_full_round", |
| "ended_by", |
| "primary_weapon_id", |
| "weapon_ids_present" |
| ], |
| "fields": [ |
| { |
| "name": "metadata_schema_version", |
| "type": "int32", |
| "description": "Version of this metadata sidecar contract." |
| }, |
| { |
| "name": "actions_schema_version", |
| "type": "int32", |
| "description": "Expected actions_bin schema version." |
| }, |
| { |
| "name": "state_schema_version", |
| "type": "int32", |
| "description": "Expected state_bin schema version." |
| }, |
| { |
| "name": "events_schema_version", |
| "type": "int32", |
| "description": "Expected sample events JSON schema version." |
| }, |
| { |
| "name": "sample_key", |
| "type": "string", |
| "description": "Shared WebDataset member prefix: match_{match_id}__r{round_idx:03d}__p{pov_idx:02d}." |
| }, |
| { |
| "name": "match_id", |
| "type": "string", |
| "description": "Release match-map id, normally a 12-character hash prefix." |
| }, |
| { |
| "name": "round_idx", |
| "type": "int32", |
| "description": "Zero-indexed round number within match_id." |
| }, |
| { |
| "name": "round_id", |
| "type": "string", |
| "description": "Stable join id for all POV samples belonging to the same round: match_{match_id}__r{round_idx:03d}." |
| }, |
| { |
| "name": "pov_idx", |
| "type": "int32", |
| "description": "Anonymized player POV id, stable within match_id." |
| }, |
| { |
| "name": "team_side", |
| "type": "enum<T,CT,empty>", |
| "description": "Player side at clip_start_tick." |
| }, |
| { |
| "name": "map_slug", |
| "type": "enum<anubis,ancient,dust2,inferno,mirage,nuke,overpass,empty>", |
| "description": "Stable map enum. Human-readable display names live in schema/maps.json." |
| }, |
| { |
| "name": "resolution", |
| "type": "enum<720p,360p,empty>", |
| "description": "Release media profile label. Exact dimensions are video_width/video_height." |
| }, |
| { |
| "name": "video_width", |
| "type": "int32", |
| "description": "Decoded video width in pixels. Must match schema/media.json for resolution." |
| }, |
| { |
| "name": "video_height", |
| "type": "int32", |
| "description": "Decoded video height in pixels. Must match schema/media.json for resolution." |
| }, |
| { |
| "name": "clip_start_tick", |
| "type": "int64", |
| "description": "Inclusive sample start tick." |
| }, |
| { |
| "name": "clip_end_tick", |
| "type": "int64", |
| "description": "Exclusive sample end tick." |
| }, |
| { |
| "name": "round_start_tick", |
| "type": "int64", |
| "description": "Canonical round start tick, normally round_freeze_end." |
| }, |
| { |
| "name": "round_decision_tick", |
| "type": "int64", |
| "description": "Tick at which the round outcome was decided, normally round_end." |
| }, |
| { |
| "name": "round_stop_tick", |
| "type": "int64", |
| "description": "Round window stop tick after post-round buffer, normally round_officially_ended when available." |
| }, |
| { |
| "name": "round_winner", |
| "type": "enum<T,CT,empty>", |
| "description": "Team that won the round, from round_end.winner." |
| }, |
| { |
| "name": "round_end_reason", |
| "type": "string", |
| "description": "Sanitized round_end.reason value when available." |
| }, |
| { |
| "name": "pov_round_result", |
| "type": "enum<win,loss,unknown,empty>", |
| "description": "Result of this POV's team in the round, derived from team_side and round_winner." |
| }, |
| { |
| "name": "frame0_tick", |
| "type": "int64", |
| "description": "Demo tick aligned to decoded video frame 0." |
| }, |
| { |
| "name": "frame_tick_stride", |
| "type": "int32", |
| "description": "Tick stride per video frame. Current release target is 2 for 64 Hz ticks at 32 FPS." |
| }, |
| { |
| "name": "frames", |
| "type": "int32", |
| "description": "Decoded video frame count and expected actions.bin/state.bin record count." |
| }, |
| { |
| "name": "fps", |
| "type": "float32", |
| "description": "Video frame rate. Current release target is 32." |
| }, |
| { |
| "name": "duration_s", |
| "type": "float32", |
| "description": "Sample duration in seconds." |
| }, |
| { |
| "name": "tick_rate", |
| "type": "int32", |
| "description": "Demo tick rate. Current release target is 64." |
| }, |
| { |
| "name": "alive_start_tick", |
| "type": "int64", |
| "description": "First tick in the sample where this POV is considered alive." |
| }, |
| { |
| "name": "alive_end_tick", |
| "type": "int64", |
| "description": "Exclusive alive boundary for this POV. For deaths, this is the death tick; for surviving POVs, this is clip_end_tick or round_stop_tick." |
| }, |
| { |
| "name": "alive_start_frame", |
| "type": "int32", |
| "description": "First frame where player_alive is true." |
| }, |
| { |
| "name": "alive_end_frame", |
| "type": "int32", |
| "description": "Exclusive end frame where player_alive is true." |
| }, |
| { |
| "name": "alive_frames", |
| "type": "int32", |
| "description": "alive_end_frame - alive_start_frame." |
| }, |
| { |
| "name": "alive_duration_s", |
| "type": "float32", |
| "description": "Alive tick window duration in seconds." |
| }, |
| { |
| "name": "survival_fraction", |
| "type": "float32", |
| "description": "alive_frames / frames." |
| }, |
| { |
| "name": "has_full_round", |
| "type": "bool", |
| "description": "Whether this POV sample reaches round_stop_tick." |
| }, |
| { |
| "name": "ended_by", |
| "type": "enum<death,round_stop,clip_end,unknown,empty>", |
| "description": "Reason this POV sample ended. round_stop means the POV survived to the canonical round window stop." |
| }, |
| { |
| "name": "media_truncated", |
| "type": "bool", |
| "description": "True when the corrected round/death-tail window extends beyond the rendered MP4 and v12 sidecars were clipped to the available media. Filter this out for strict full-round training." |
| }, |
| { |
| "name": "intended_clip_end_tick", |
| "type": "int64|null", |
| "description": "Corrected exclusive clip end tick before clipping to rendered media. Present only when media_truncated is true." |
| }, |
| { |
| "name": "primary_weapon_id", |
| "type": "int32", |
| "description": "Most frequent non-unknown active_weapon_id in the sample." |
| }, |
| { |
| "name": "weapon_ids_present", |
| "type": "list<int32>", |
| "description": "Sorted unique non-unknown active_weapon_id values present in the sample." |
| }, |
| { |
| "name": "postprocess_version", |
| "type": "string", |
| "description": "Post-processor version that produced this sidecar and paired binary artifacts. v12 splits controls into actions.bin and state into state.bin." |
| }, |
| { |
| "name": "death_tick", |
| "type": "int64|null", |
| "description": "POV death tick when ended_by is death; absent/null for surviving POVs." |
| }, |
| { |
| "name": "death_frame", |
| "type": "int32|null", |
| "description": "Video frame aligned to death_tick when death_tick is inside the sample frame window." |
| }, |
| { |
| "name": "round_number_in_match", |
| "type": "int32", |
| "description": "One-indexed round number within match_id." |
| }, |
| { |
| "name": "half_idx", |
| "type": "int32", |
| "description": "0 for first half, 1 for second half, and higher values for overtime blocks." |
| }, |
| { |
| "name": "is_first_round", |
| "type": "bool", |
| "description": "True for round_idx == 0." |
| }, |
| { |
| "name": "is_pistol_round", |
| "type": "bool", |
| "description": "True for regulation pistol rounds and overtime pistol-reset rounds." |
| }, |
| { |
| "name": "t_score_start", |
| "type": "int32", |
| "description": "T-side score at the start of the sample/round." |
| }, |
| { |
| "name": "ct_score_start", |
| "type": "int32", |
| "description": "CT-side score at the start of the sample/round." |
| }, |
| { |
| "name": "score_diff_start", |
| "type": "int32", |
| "description": "t_score_start - ct_score_start." |
| }, |
| { |
| "name": "primary_weapon_category", |
| "type": "string", |
| "description": "Most frequent coarse active weapon category in the sample." |
| }, |
| { |
| "name": "weapon_categories_present", |
| "type": "list<string>", |
| "description": "Sorted unique coarse weapon categories present in the sample." |
| }, |
| { |
| "name": "start_weapon_id", |
| "type": "int32", |
| "description": "active_weapon_id on the first frame." |
| }, |
| { |
| "name": "start_weapon_category", |
| "type": "string", |
| "description": "Coarse active weapon category on the first frame." |
| }, |
| { |
| "name": "start_health", |
| "type": "int32", |
| "description": "Health on the first frame." |
| }, |
| { |
| "name": "start_armor", |
| "type": "int32", |
| "description": "Armor value on the first frame." |
| }, |
| { |
| "name": "start_has_helmet", |
| "type": "bool", |
| "description": "Whether the POV has helmet armor on the first frame." |
| }, |
| { |
| "name": "start_has_defuser", |
| "type": "bool", |
| "description": "Whether the POV has a defuse kit on the first frame." |
| }, |
| { |
| "name": "start_balance", |
| "type": "int32", |
| "description": "Player money on the first frame when available." |
| }, |
| { |
| "name": "start_has_bomb", |
| "type": "bool", |
| "description": "Whether the POV is carrying C4 on the first frame." |
| }, |
| { |
| "name": "has_awp", |
| "type": "bool", |
| "description": "True if the AWP appears as active_weapon_id at any frame in the sample." |
| }, |
| { |
| "name": "has_sniper", |
| "type": "bool", |
| "description": "True if any sniper-category weapon appears in the sample." |
| }, |
| { |
| "name": "has_rifle", |
| "type": "bool", |
| "description": "True if any rifle-category weapon appears in the sample." |
| }, |
| { |
| "name": "contains_bomb_plant", |
| "type": "bool", |
| "description": "True if the sample event sidecar contains a bomb_planted event." |
| }, |
| { |
| "name": "contains_bomb_defuse", |
| "type": "bool", |
| "description": "True if the sample event sidecar contains a bomb_defused event." |
| }, |
| { |
| "name": "contains_bomb_explosion", |
| "type": "bool", |
| "description": "True if the sample event sidecar contains a bomb_exploded event." |
| }, |
| { |
| "name": "contains_player_death", |
| "type": "bool", |
| "description": "True if the sample event sidecar contains at least one player_death event." |
| }, |
| { |
| "name": "sample_kills_total", |
| "type": "int32", |
| "description": "Number of player_death events in this sample." |
| }, |
| { |
| "name": "sample_headshots_total", |
| "type": "int32", |
| "description": "Number of headshot player_death events in this sample." |
| }, |
| { |
| "name": "pov_kills", |
| "type": "int32", |
| "description": "Kills credited to this POV within the sample event window." |
| }, |
| { |
| "name": "pov_deaths", |
| "type": "int32", |
| "description": "Deaths of this POV within the sample event window." |
| }, |
| { |
| "name": "pov_assists", |
| "type": "int32", |
| "description": "Assists credited to this POV within the sample event window." |
| }, |
| { |
| "name": "pov_blinds_caused", |
| "type": "int32", |
| "description": "Blind events caused by this POV within the sample event window." |
| }, |
| { |
| "name": "pov_blinded", |
| "type": "int32", |
| "description": "Blind events affecting this POV within the sample event window." |
| } |
| ], |
| "validation": [ |
| "metadata_schema_version == 4", |
| "actions_schema_version == 9", |
| "state_schema_version == 1", |
| "events_schema_version == 3", |
| "sample_key matches match_{match_id}__r{round_idx:03d}__p{pov_idx:02d}", |
| "round_id matches match_{match_id}__r{round_idx:03d}", |
| "resolution is 720p or 360p for final release shards", |
| "video_width/video_height match schema/media.json for resolution", |
| "clip_start_tick < clip_end_tick", |
| "round_start_tick <= round_decision_tick <= round_stop_tick", |
| "frame0_tick == clip_start_tick for the v1 release", |
| "frame_tick_stride == 2 for final release shards", |
| "frames > 0", |
| "duration_s > 0", |
| "fps == 32 for final release shards", |
| "tick_rate == 64 for final release shards", |
| "clip_start_tick <= alive_start_tick <= alive_end_tick <= clip_end_tick", |
| "media_truncated == false implies intended_clip_end_tick is absent/null", |
| "media_truncated == true implies clip_end_tick < intended_clip_end_tick", |
| "0 <= alive_start_frame <= alive_end_frame <= frames", |
| "alive_frames == alive_end_frame - alive_start_frame", |
| "has_full_round == (clip_end_tick >= round_stop_tick)", |
| "pov_round_result is win/loss when team_side and round_winner are known", |
| "ended_by is one of death, round_stop, clip_end, unknown, or empty", |
| "no top-level field is named clip_id, start_tick, end_tick, map, player_id, player_name, actions_bin, state_bin, or events_json", |
| "no serialized field value contains steamid, xuid, accountid, profile URL, hltv_match_id, raw demo path, raw demo URL, event name, or team names" |
| ] |
| } |
|
|
