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feat(lib): smarter files reversing (#439)

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* feat(lib): smarter files reversing

Implement a smarter generation of reversed files by splitting the video into smaller segments.

Closes #434

* chore(lib): change default length

* chore: use suffix

* chore(docs): update

* chore(docs): fix docs and add changelog entry

* chore(tests): coverage

* chore(docs): typo
This commit is contained in:
Jérome Eertmans
2025-01-28 23:05:59 +00:00
committed by GitHub
parent daf547414c
commit e911ec3096
6 changed files with 129 additions and 8 deletions
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15
manim_slides/slide/base.py
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@ -36,6 +36,8 @@ class BaseSlide:
disable_caching: bool = False
flush_cache: bool = False
skip_reversing: bool = False
max_duration_before_split_reverse: float | None = 4.0
num_processes: int | None = None
def __init__(
self, *args: Any, output_folder: Path = FOLDER_PATH, **kwargs: Any
@ -530,10 +532,11 @@ class BaseSlide:
for pre_slide_config in tqdm(
self._slides,
desc=f"Concatenating animation files to '{scene_files_folder}' and generating reversed animations",
desc=f"Concatenating animations to '{scene_files_folder}' and generating reversed animations",
leave=self._leave_progress_bar,
ascii=True if platform.system() == "Windows" else None,
disable=not self._show_progress_bar,
unit=" slides",
):
if pre_slide_config.skip_animations:
continue
@ -557,7 +560,15 @@ class BaseSlide:
if skip_reversing:
rev_file = dst_file
else:
reverse_video_file(dst_file, rev_file)
reverse_video_file(
dst_file,
rev_file,
max_segment_duration=self.max_duration_before_split_reverse,
num_processes=self.num_processes,
leave=self._leave_progress_bar,
ascii=True if platform.system() == "Windows" else None,
disable=not self._show_progress_bar,
)
slides.append(
SlideConfig.from_pre_slide_config_and_files(