Update video encodings and native dimensions (1355/1539)

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: 1,351/1,539 videos in this encoding update. See [encoding manifest](meta/video_encoding.json).
+In progress: 1,355/1,539 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 67811169

meta/episodes_stats.jsonl

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meta/stats.json

@@ -155,34 +155,34 @@
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@@ -228,34 +228,34 @@
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meta/video_dimensions.jsonl

@@ -14693,16 +14693,16 @@
 {"episode_index":4897,"video_key":"observation.images.hand_right","video_path":"videos/chunk-004/observation.images.hand_right/episode_004897.mp4","width":640,"height":480,"frames":46317,"fps":20,"pixel_format":"yuv420p","presentation_repaired":true}
 {"episode_index":4897,"video_key":"observation.images.top_head","video_path":"videos/chunk-004/observation.images.top_head/episode_004897.mp4","width":640,"height":480,"frames":46317,"fps":20,"pixel_format":"yuv420p","presentation_repaired":true}
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-{"episode_index":4898,"video_key":"observation.images.hand_right","video_path":"videos/chunk-004/observation.images.hand_right/episode_004898.mp4","width":848,"height":480,"frames":47591,"fps":20,"pixel_format":"gbrp","presentation_repaired":false}
+{"episode_index":4898,"video_key":"observation.images.hand_right","video_path":"videos/chunk-004/observation.images.hand_right/episode_004898.mp4","width":640,"height":480,"frames":47591,"fps":20,"pixel_format":"yuv420p","presentation_repaired":true}
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@@ -14968,7 +14968,7 @@
 {"episode_index":4989,"video_key":"observation.images.hand_left","video_path":"videos/chunk-004/observation.images.hand_left/episode_004989.mp4","width":640,"height":480,"frames":11053,"fps":20,"pixel_format":"yuv420p","presentation_repaired":true}
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meta/video_encoding.json

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   "repaired_episodes": 511,
   "compatibility_complete": false,
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