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Miguel Ángel
b46ebedeae
* fix(engine): a 29.97 fps camera clip exports smoothly at 30 fps Extraction samples each output frame from the last source frame starting at or before it. Millisecond container ticks move each frame by up to half a millisecond, while 29.97 fps drifts against 30 fps by 0.033 ms per frame, so the rounding decided the slot and the export alternated repeats and skips. Constant-rate frames are now re-spaced on the stream's own frame grid from the first decoded frame before sampling. The cache schema moves to v8 so exports stop reusing frames extracted the old way. * fix(engine): every extraction process snaps frames to one absolute grid The grid was anchored on each process's first decoded frame, which carries its own millisecond rounding, so a segment or distributed chunk could place the 29.97 -> 30 repeat elsewhere and skip a frame at its seam. Frames are now snapped to the stream's own grid in file time (this process's seek plus the video's lead), the same in every process.