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improve(dataset-tools): image2video editing tools : Multiple episodes per video file (#2811)

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* improve image2video

* add episodes video encoding

* fix mypy failing

* iterate on review

* nit

* remove max, and let it be optional

* iterate more

* update docs

* fix test

---------

Co-authored-by: Michel Aractingi <michel.aractingi@huggingface.co>
This commit is contained in:
Jade Choghari
2026-01-20 11:04:22 +01:00
committed by GitHub
parent b2ff219624
commit 79688a09f2
4 changed files with 611 additions and 391 deletions
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tests/datasets/test_dataset_tools.py
+5 -5
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@@ -29,7 +29,7 @@ from lerobot.datasets.dataset_tools import (
remove_feature,
split_dataset,
)
from lerobot.scripts.lerobot_edit_dataset import convert_dataset_to_videos
from lerobot.scripts.lerobot_edit_dataset import convert_image_to_video_dataset
@pytest.fixture
@@ -1050,7 +1050,7 @@ def test_modify_features_preserves_file_structure(sample_dataset, tmp_path):
assert "reward" in modified_dataset.meta.features
def test_convert_dataset_to_videos(tmp_path):
def test_convert_image_to_video_dataset(tmp_path):
"""Test converting lerobot/pusht_image dataset to video format."""
from lerobot.datasets.lerobot_dataset import LeRobotDataset
@@ -1071,7 +1071,7 @@ def test_convert_dataset_to_videos(tmp_path):
assert "observation.image" in source_dataset.meta.features
# Convert to video dataset (only first 2 episodes for speed)
video_dataset = convert_dataset_to_videos(
video_dataset = convert_image_to_video_dataset(
dataset=source_dataset,
output_dir=output_dir,
repo_id="lerobot/pusht_video",
@@ -1113,7 +1113,7 @@ def test_convert_dataset_to_videos(tmp_path):
shutil.rmtree(output_dir)
def test_convert_dataset_to_videos_subset_episodes(tmp_path):
def test_convert_image_to_video_dataset_subset_episodes(tmp_path):
"""Test converting only specific episodes from lerobot/pusht_image to video format."""
from lerobot.datasets.lerobot_dataset import LeRobotDataset
@@ -1132,7 +1132,7 @@ def test_convert_dataset_to_videos_subset_episodes(tmp_path):
# Convert only episode 0 to video (subset of loaded episodes)
episode_indices = [0]
video_dataset = convert_dataset_to_videos(
video_dataset = convert_image_to_video_dataset(
dataset=source_dataset,
output_dir=output_dir,
repo_id="lerobot/pusht_video_subset",