Seek Freeze Fix for d Anime Store by Maristie
Fixes a Firefox issue on d Anime Store where seeking shows a later frame and temporarily freezes the video.
Extension Metadata
About this extension
After seeking a video on d Anime Store in Firefox, a still frame from several seconds later can appear while audio continues and the video temporarily freezes. This extension fixes that problem.
It repairs the incorrect fragmented-MP4 sample-dependency metadata before Firefox indexes the matching Media Source Extensions append. It does not change the requested seek time. The repair is limited to known encrypted H.264 packaging, and data that does not meet every repair-specific condition passes through unchanged.
The extension sends no data off the device and retains none persistently. It has no background script, remote requests, analytics, or persistent storage. This is an independent community project and is not affiliated with, endorsed by, or supported by NTT DOCOMO, d Anime Store, Mozilla, or their affiliates.
It repairs the incorrect fragmented-MP4 sample-dependency metadata before Firefox indexes the matching Media Source Extensions append. It does not change the requested seek time. The repair is limited to known encrypted H.264 packaging, and data that does not meet every repair-specific condition passes through unchanged.
The extension sends no data off the device and retains none persistently. It has no background script, remote requests, analytics, or persistent storage. This is an independent community project and is not affiliated with, endorsed by, or supported by NTT DOCOMO, d Anime Store, Mozilla, or their affiliates.
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Permissions and data
Required permissions:
- Access your data for animestore.docomo.ne.jp
Data collection:
- The developer says this extension doesn't require data collection.
More information
- Add-on Links
- Version
- 1.0.0
- Size
- 23.11 KB
- Last updated
- 24 days ago (Jul 19, 2026)
- Related Categories
- License
- Mozilla Public License 2.0
- Version History
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