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Add Hailuo, Kling, AVI, and FLV video coverage

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Victor Kuznetsov
2026-07-29 23:30:33 -07:00
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@@ -134,17 +134,20 @@ remove-ai-watermarks video metadata input.mp4 --check
remove-ai-watermarks video metadata input.mp4 --remove -o clean.mp4
```
Supported containers are MP4, MOV, M4V, WebM, and MKV. The operation delegates
to the same verified metadata scanner and stripper as the generic `metadata`
command, so detection and removal stay in parity. Video and audio streams are
not transcoded. For MP4 and MOV, this includes the native TC260 `AIGC` key and
JSON value stored in `moov.udta.meta.keys/ilst`. The inspector seeks past a
large `mdat` to find a tail `moov`; removal blanks the key and value in place so
box sizes and media offsets do not move.
Supported containers are MP4, MOV, M4V, WebM, MKV, AVI, and FLV. The operation
delegates to the same verified metadata scanner and stripper as the generic
`metadata` command, so detection and removal stay in parity. Video and audio
streams are not transcoded. For MP4 and MOV, this includes the native TC260
`AIGC` key and JSON value stored in `moov.udta.meta.keys/ilst`. The inspector
seeks past a large `mdat` to find a tail `moov`; removal blanks the key and
value in place so box sizes and media offsets do not move.
For MKV and WebM, the inspector reads the native TC260
`Segment.Tags.Tag.SimpleTag` entry. Removal uses ffmpeg stream copying to
discard container tags and chapters without transcoding the streams.
AVI uses the normative `LIST/INFO/AIGC` chunk, while FLV uses the
`script.onMetaData.AIGC` AMF0 string. Their bounded readers skip media payloads,
and removal also uses ffmpeg stream copying.
When `-o` is omitted, the command writes `<source>_clean` with the same
extension. It never overwrites the source, and it rejects an output with a
@@ -192,22 +195,27 @@ remove-ai-watermarks video visible input.mp4 -o clean.mp4
remove-ai-watermarks video visible veo.mp4 --mark veo -o veo_clean.mp4
remove-ai-watermarks video visible seedance.mp4 --mark seedance -o seedance_clean.mp4
remove-ai-watermarks video visible dola.mp4 --mark dola -o dola_clean.mp4
remove-ai-watermarks video visible hailuo.mp4 --mark hailuo -o hailuo_clean.mp4
remove-ai-watermarks video visible kling.mp4 --mark kling -o kling_clean.mp4
```
The experimental command supports the moving Sora mascot and wordmark, two Veo
corner variants, the Seedance boxed `AI` label, and the `Dola AI` text label.
Sora searches the whole frame at multiple scales. The other detectors search
bounded bottom-right regions with separate synthetic silhouettes. Every mark
corner variants, the Seedance boxed `AI` label, the `Dola AI` text label, the
composite `MINIMAX | hailuo AI` label, and the bottom-right Kling label. Sora
searches the whole frame at multiple scales. The other detectors search bounded
lower-frame regions with separate synthetic silhouettes. Kling additionally
requires its bright low-saturation label near the frame edge. Every mark
requires a spatially recurring candidate across adjacent frames. Fixed marks
must also remain anchored instead of drifting with a scene object. Matching
provider provenance may relax the visual score, but metadata alone never
creates a detection. Clean API exports therefore remain untouched.
provider provenance may relax the visual score only for registered
provenance-aware marks; metadata alone never creates a detection.
The video stream is transcoded and the original audio stream is copied.
Supported input and output containers are MP4, MOV, M4V, WebM, and MKV; the
output extension must match the input. The default `cv2` backend is fast but can
smear structured backgrounds. Select `--backend migan` or `--backend lama` for
a learned fill, or `--backend auto` to choose the best installed backend.
Supported input and output containers are MP4, MOV, M4V, WebM, MKV, AVI, and
FLV; the output extension must match the input. The default `cv2` backend is
fast but can smear structured backgrounds. Select `--backend migan` or
`--backend lama` for a learned fill, or `--backend auto` to choose the best
installed backend.
AI metadata is stripped from the encoded output by default. Use
`--keep-metadata` to retain mapped container metadata. When no temporally stable