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import datasets |
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import json |
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import numpy |
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_FEATURES = datasets.Features( |
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{ |
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"id": datasets.Value("string"), |
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"prompt": datasets.Array3D(shape=(1, 77, 768), dtype="float32"), |
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"video": datasets.Sequence(feature=datasets.Array3D(shape=(4, 64, 64), dtype="float64")), |
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"description": datasets.Value("string"), |
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"videourl": datasets.Value("string"), |
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"categories": datasets.Value("string"), |
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"duration": datasets.Value("float"), |
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"full_metadata": datasets.Value("string"), |
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} |
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) |
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class FunkLoaderStream(datasets.GeneratorBasedBuilder): |
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"""TempoFunk Dataset""" |
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def _info(self): |
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return datasets.DatasetInfo( |
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description="TempoFunk Dataset", |
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features=_FEATURES, |
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homepage="None", |
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citation="None", |
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license="None" |
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) |
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def _split_generators(self, dl_manager): |
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print("id_list available at:", dl_manager.download("data/id_list.json")) |
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_ID_LIST = json.loads(open(dl_manager.download("data/id_list.json"), 'r').read()) |
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_SHARD_LENGTH = 20 |
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_SPLITS = [_ID_LIST[i:i + _SHARD_LENGTH] for i in range(0, len(_ID_LIST), _SHARD_LENGTH)] |
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print("avail splits: ", _SPLITS) |
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l=[] |
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_split_count = 0 |
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for split in _SPLITS: |
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_list = [] |
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for video_id in split: |
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_list.append({ |
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"frames": dl_manager.download(f"data/videos/{video_id}.npy"), |
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"prompt": dl_manager.download(f"data/prompts/{video_id}.npy"), |
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"metadata": dl_manager.download(f"data/metadata/{video_id}.json"), |
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}) |
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l.append( |
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datasets.SplitGenerator( |
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name=f"split_{_split_count}", |
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gen_kwargs={ |
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"chunk_container": _list, |
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},) |
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) |
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_split_count = _split_count + 1 |
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print("Total Splits: ", _split_count) |
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return l |
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def _generate_examples(self, chunk_container): |
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"""Generate images and labels for splits.""" |
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for video_entry in chunk_container: |
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frames_binary = video_entry['frames'] |
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prompt_binary = video_entry['prompt'] |
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metadata = json.loads(open(video_entry['metadata'], 'r').read()) |
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txt_embed = numpy.load(prompt_binary) |
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vid_embed = numpy.load(frames_binary) |
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print(vid_embed.shape) |
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yield metadata['id'], { |
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"id": metadata['id'], |
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"description": metadata['description'], |
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"prompt": txt_embed, |
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"video": vid_embed, |
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"videourl": metadata['videourl'], |
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"categories": metadata['categories'], |
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"duration": metadata['duration'], |
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"full_metadata": metadata |
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} |