Update video encodings and native dimensions (1328/1539)

Standard SDR H.264 Main4.0, 8-bit YUV420 / BT.709. Native image dimensions, frame counts and timestamps are retained. Action/state data and existing source qualification annotations are unchanged.

README.md

@@ -74,7 +74,7 @@ Episode provenance and original diagnostic labels are retained in [meta/episode_
 
 ## Video format and resolution
 
-In progress: 1,324/1,539 videos in this encoding update. See [encoding manifest](meta/video_encoding.json).
+In progress: 1,328/1,539 videos in this encoding update. See [encoding manifest](meta/video_encoding.json).
 
 Videos use native camera rectangles, including 640 × 480, 1280 × 800 and 848 × 480. Actual per-episode dimensions are listed in [video dimensions](meta/video_dimensions.jsonl). Spatial dimensions are `null` in global feature metadata when episodes have different sizes. The portable loader resolves a selected episode's concrete shapes in memory. For mixed-resolution training batches, configure your model's image preprocessing or group episodes by resolution.
 

meta/episode_provenance.jsonl

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+size 67787785

meta/episodes_stats.jsonl

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meta/stats.json

@@ -155,34 +155,34 @@
     "mean": [
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+          0.45160146172140947
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@@ -301,34 +301,34 @@
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meta/video_dimensions.jsonl

@@ -14689,16 +14689,16 @@
 {"episode_index":4896,"video_key":"observation.images.hand_left","video_path":"videos/chunk-004/observation.images.hand_left/episode_004896.mp4","width":640,"height":480,"frames":44080,"fps":20,"pixel_format":"yuv420p","presentation_repaired":true}
 {"episode_index":4896,"video_key":"observation.images.hand_right","video_path":"videos/chunk-004/observation.images.hand_right/episode_004896.mp4","width":848,"height":480,"frames":44080,"fps":20,"pixel_format":"gbrp","presentation_repaired":false}
 {"episode_index":4896,"video_key":"observation.images.top_head","video_path":"videos/chunk-004/observation.images.top_head/episode_004896.mp4","width":1280,"height":800,"frames":44080,"fps":20,"pixel_format":"gbrp","presentation_repaired":false}
-{"episode_index":4897,"video_key":"observation.images.hand_left","video_path":"videos/chunk-004/observation.images.hand_left/episode_004897.mp4","width":848,"height":480,"frames":46317,"fps":20,"pixel_format":"gbrp","presentation_repaired":false}
+{"episode_index":4897,"video_key":"observation.images.hand_left","video_path":"videos/chunk-004/observation.images.hand_left/episode_004897.mp4","width":640,"height":480,"frames":46317,"fps":20,"pixel_format":"yuv420p","presentation_repaired":true}
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 {"episode_index":4899,"video_key":"observation.images.hand_left","video_path":"videos/chunk-004/observation.images.hand_left/episode_004899.mp4","width":848,"height":480,"frames":46881,"fps":20,"pixel_format":"gbrp","presentation_repaired":false}
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@@ -14962,7 +14962,7 @@
 {"episode_index":4987,"video_key":"observation.images.hand_left","video_path":"videos/chunk-004/observation.images.hand_left/episode_004987.mp4","width":640,"height":480,"frames":11225,"fps":20,"pixel_format":"gbrp","presentation_repaired":true}
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meta/video_encoding.json

@@ -4,11 +4,11 @@
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-  "repaired_episodes": 506,
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+  "remaining_videos": 124,
+  "repaired_episodes": 507,
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   "all_repaired_frame_counts_and_pts_preserved": true,
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@@ -20941,6 +20941,100 @@
       "no_padding": true,
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