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Expose num_workers in VideoClips #1359

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Merged
merged 1 commit into from
Sep 23, 2019
Merged

Expose num_workers in VideoClips #1359

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5 changes: 3 additions & 2 deletions torchvision/datasets/video_utils.py
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Original file line number Diff line number Diff line change
Expand Up @@ -49,8 +49,9 @@ class VideoClips(object):
on the resampled video
"""
def __init__(self, video_paths, clip_length_in_frames=16, frames_between_clips=1,
frame_rate=None, _precomputed_metadata=None):
frame_rate=None, _precomputed_metadata=None, num_workers=1):
self.video_paths = video_paths
self.num_workers = num_workers
if _precomputed_metadata is None:
self._compute_frame_pts()
else:
Expand All @@ -77,7 +78,7 @@ def __getitem__(self, idx):
dl = torch.utils.data.DataLoader(
DS(self.video_paths),
batch_size=16,
num_workers=torch.get_num_threads(),
num_workers=self.num_workers,
collate_fn=lambda x: x)

with tqdm(total=len(dl)) as pbar:
Expand Down