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Cannot load the dataset split (in streaming mode) to extract the first rows.
Error code:   StreamingRowsError
Exception:    CastError
Message:      Couldn't cast
H: int64
W: int64
scale: int64
feat: int64
n_floats: int64
out_h: int64
out_w: int64
weights: struct<conv_1: struct<in_c: int64, out_c: int64, k: int64, w_off: int64, b_off: int64>, block_1.c1_r (... 1801 chars omitted)
  child 0, conv_1: struct<in_c: int64, out_c: int64, k: int64, w_off: int64, b_off: int64>
      child 0, in_c: int64
      child 1, out_c: int64
      child 2, k: int64
      child 3, w_off: int64
      child 4, b_off: int64
  child 1, block_1.c1_r: struct<in_c: int64, out_c: int64, k: int64, w_off: int64, b_off: int64>
      child 0, in_c: int64
      child 1, out_c: int64
      child 2, k: int64
      child 3, w_off: int64
      child 4, b_off: int64
  child 2, block_1.c2_r: struct<in_c: int64, out_c: int64, k: int64, w_off: int64, b_off: int64>
      child 0, in_c: int64
      child 1, out_c: int64
      child 2, k: int64
      child 3, w_off: int64
      child 4, b_off: int64
  child 3, block_1.c3_r: struct<in_c: int64, out_c: int64, k: int64, w_off: int64, b_off: int64>
      child 0, in_c: int64
      child 1, out_c: int64
      child 2, k: int64
      child 3, w_off: int64
      child 4, b_off: int64
  child 4, block_2.c1_r: struct<in_c: int64, out_c: int64, k: int64, w_off: int64, b_off: int64>
      child 0, in_c: int64
      child 1, out_c: int64
      child 2, k: int64
      child 3, w_off: int64
      child 4, b_off: int64
  child 5, block_2.c2_r: struct<in_c: int64, out_c: int64, k: int64, w_off: int64, b_off: int64>
      child 0, in_c: int64
  
...
c: int64, out_c: int64, k: int64, w_off: int64, b_off: int64>
      child 0, in_c: int64
      child 1, out_c: int64
      child 2, k: int64
      child 3, w_off: int64
      child 4, b_off: int64
  child 18, block_6.c3_r: struct<in_c: int64, out_c: int64, k: int64, w_off: int64, b_off: int64>
      child 0, in_c: int64
      child 1, out_c: int64
      child 2, k: int64
      child 3, w_off: int64
      child 4, b_off: int64
  child 19, conv_2: struct<in_c: int64, out_c: int64, k: int64, w_off: int64, b_off: int64>
      child 0, in_c: int64
      child 1, out_c: int64
      child 2, k: int64
      child 3, w_off: int64
      child 4, b_off: int64
  child 20, conv_cat: struct<in_c: int64, out_c: int64, k: int64, w_off: int64, b_off: int64>
      child 0, in_c: int64
      child 1, out_c: int64
      child 2, k: int64
      child 3, w_off: int64
      child 4, b_off: int64
  child 21, upsampler: struct<in_c: int64, out_c: int64, k: int64, w_off: int64, b_off: int64>
      child 0, in_c: int64
      child 1, out_c: int64
      child 2, k: int64
      child 3, w_off: int64
      child 4, b_off: int64
graph: string
layers: list<item: struct<in_c: int64, out_c: int64, w_off: int64, b_off: int64, prelu_off: int64>>
  child 0, item: struct<in_c: int64, out_c: int64, w_off: int64, b_off: int64, prelu_off: int64>
      child 0, in_c: int64
      child 1, out_c: int64
      child 2, w_off: int64
      child 3, b_off: int64
      child 4, prelu_off: int64
upscale: int64
n_passes: int64
to
{'layers': List({'in_c': Value('int64'), 'out_c': Value('int64'), 'w_off': Value('int64'), 'b_off': Value('int64'), 'prelu_off': Value('int64')}), 'upscale': Value('int64'), 'H': Value('int64'), 'W': Value('int64'), 'n_passes': Value('int64'), 'n_floats': Value('int64')}
because column names don't match
Traceback:    Traceback (most recent call last):
                File "/src/services/worker/src/worker/utils.py", line 147, in get_rows_or_raise
                  return get_rows(
                      dataset=dataset,
                  ...<4 lines>...
                      column_names=column_names,
                  )
                File "/src/libs/libcommon/src/libcommon/utils.py", line 272, in decorator
                  return func(*args, **kwargs)
                File "/src/services/worker/src/worker/utils.py", line 127, in get_rows
                  rows_plus_one = list(itertools.islice(safe_iter(ds, dataset=dataset), rows_max_number + 1))
                File "/src/services/worker/src/worker/utils.py", line 478, in safe_iter
                  yield from ds.decode(False) if ds.features else ds
                File "/usr/local/lib/python3.14/site-packages/datasets/iterable_dataset.py", line 2818, in __iter__
                  for key, example in ex_iterable:
                                      ^^^^^^^^^^^
                File "/usr/local/lib/python3.14/site-packages/datasets/iterable_dataset.py", line 2355, in __iter__
                  for key, pa_table in self._iter_arrow():
                                       ~~~~~~~~~~~~~~~~^^
                File "/usr/local/lib/python3.14/site-packages/datasets/iterable_dataset.py", line 2380, in _iter_arrow
                  for key, pa_table in self.ex_iterable._iter_arrow():
                                       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^
                File "/usr/local/lib/python3.14/site-packages/datasets/iterable_dataset.py", line 536, in _iter_arrow
                  for key, pa_table in iterator:
                                       ^^^^^^^^
                File "/usr/local/lib/python3.14/site-packages/datasets/iterable_dataset.py", line 419, in _iter_arrow
                  for key, pa_table in self.generate_tables_fn(**gen_kwags):
                                       ~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^
                File "/usr/local/lib/python3.14/site-packages/datasets/packaged_modules/json/json.py", line 343, in _generate_tables
                  self._cast_table(pa_table, json_field_paths=json_field_paths),
                  ~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
                File "/usr/local/lib/python3.14/site-packages/datasets/packaged_modules/json/json.py", line 132, in _cast_table
                  pa_table = table_cast(pa_table, self.info.features.arrow_schema)
                File "/usr/local/lib/python3.14/site-packages/datasets/table.py", line 2369, in table_cast
                  return cast_table_to_schema(table, schema)
                File "/usr/local/lib/python3.14/site-packages/datasets/table.py", line 2297, in cast_table_to_schema
                  raise CastError(
                  ...<3 lines>...
                  )
              datasets.table.CastError: Couldn't cast
              H: int64
              W: int64
              scale: int64
              feat: int64
              n_floats: int64
              out_h: int64
              out_w: int64
              weights: struct<conv_1: struct<in_c: int64, out_c: int64, k: int64, w_off: int64, b_off: int64>, block_1.c1_r (... 1801 chars omitted)
                child 0, conv_1: struct<in_c: int64, out_c: int64, k: int64, w_off: int64, b_off: int64>
                    child 0, in_c: int64
                    child 1, out_c: int64
                    child 2, k: int64
                    child 3, w_off: int64
                    child 4, b_off: int64
                child 1, block_1.c1_r: struct<in_c: int64, out_c: int64, k: int64, w_off: int64, b_off: int64>
                    child 0, in_c: int64
                    child 1, out_c: int64
                    child 2, k: int64
                    child 3, w_off: int64
                    child 4, b_off: int64
                child 2, block_1.c2_r: struct<in_c: int64, out_c: int64, k: int64, w_off: int64, b_off: int64>
                    child 0, in_c: int64
                    child 1, out_c: int64
                    child 2, k: int64
                    child 3, w_off: int64
                    child 4, b_off: int64
                child 3, block_1.c3_r: struct<in_c: int64, out_c: int64, k: int64, w_off: int64, b_off: int64>
                    child 0, in_c: int64
                    child 1, out_c: int64
                    child 2, k: int64
                    child 3, w_off: int64
                    child 4, b_off: int64
                child 4, block_2.c1_r: struct<in_c: int64, out_c: int64, k: int64, w_off: int64, b_off: int64>
                    child 0, in_c: int64
                    child 1, out_c: int64
                    child 2, k: int64
                    child 3, w_off: int64
                    child 4, b_off: int64
                child 5, block_2.c2_r: struct<in_c: int64, out_c: int64, k: int64, w_off: int64, b_off: int64>
                    child 0, in_c: int64
                
              ...
              c: int64, out_c: int64, k: int64, w_off: int64, b_off: int64>
                    child 0, in_c: int64
                    child 1, out_c: int64
                    child 2, k: int64
                    child 3, w_off: int64
                    child 4, b_off: int64
                child 18, block_6.c3_r: struct<in_c: int64, out_c: int64, k: int64, w_off: int64, b_off: int64>
                    child 0, in_c: int64
                    child 1, out_c: int64
                    child 2, k: int64
                    child 3, w_off: int64
                    child 4, b_off: int64
                child 19, conv_2: struct<in_c: int64, out_c: int64, k: int64, w_off: int64, b_off: int64>
                    child 0, in_c: int64
                    child 1, out_c: int64
                    child 2, k: int64
                    child 3, w_off: int64
                    child 4, b_off: int64
                child 20, conv_cat: struct<in_c: int64, out_c: int64, k: int64, w_off: int64, b_off: int64>
                    child 0, in_c: int64
                    child 1, out_c: int64
                    child 2, k: int64
                    child 3, w_off: int64
                    child 4, b_off: int64
                child 21, upsampler: struct<in_c: int64, out_c: int64, k: int64, w_off: int64, b_off: int64>
                    child 0, in_c: int64
                    child 1, out_c: int64
                    child 2, k: int64
                    child 3, w_off: int64
                    child 4, b_off: int64
              graph: string
              layers: list<item: struct<in_c: int64, out_c: int64, w_off: int64, b_off: int64, prelu_off: int64>>
                child 0, item: struct<in_c: int64, out_c: int64, w_off: int64, b_off: int64, prelu_off: int64>
                    child 0, in_c: int64
                    child 1, out_c: int64
                    child 2, w_off: int64
                    child 3, b_off: int64
                    child 4, prelu_off: int64
              upscale: int64
              n_passes: int64
              to
              {'layers': List({'in_c': Value('int64'), 'out_c': Value('int64'), 'w_off': Value('int64'), 'b_off': Value('int64'), 'prelu_off': Value('int64')}), 'upscale': Value('int64'), 'H': Value('int64'), 'W': Value('int64'), 'n_passes': Value('int64'), 'n_floats': Value('int64')}
              because column names don't match

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playhd — web demo runtime assets

Runtime assets for the playhd in-browser SD→HD upscaler (github.com/lifeart/playhd). The live demo (GitHub Pages) fetches these from here. Non-commercial — the bundle includes a CC-BY-NC-SA model, so the repo as a whole is tagged cc-by-nc-sa-4.0.

Files & licenses (each retains its own license)

file what license author / source
span_data/weights.bin, span_data/spec.json SPAN 2xLiveActionV1 weights (reparam'd to WGSL layout) CC-BY-NC-SA-4.0 jcj83429 · https://openmodeldb.info/models/2x-LiveActionV1-SPAN
compact_data/weights.bin, compact_data/layers.json realesr-general-x4v3 weights (reparam'd) BSD-3-Clause Real-ESRGAN, Xintao Wang et al. · https://github.com/xinntao/Real-ESRGAN
mv_decode.wasm minimal FFmpeg→WASM H.264 decoder + motion-vector export LGPL-2.1+ FFmpeg · https://ffmpeg.org (build recipe: web_spike/wasm_mv/build_ffmpeg_wasm.sh in the playhd repo)
clips/BigBuckBunny_640x360_10s_CC-BY.mp4 demo clip (10 s) CC-BY 3.0 © Blender Foundation · https://peach.blender.org

The reparameterized SPAN weights are a derivative of a CC-BY-NC-SA-4.0 work and are redistributed here under the same license, with attribution to jcj83429, for non-commercial use. The playhd application code is MIT; these third-party assets are not.

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