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AEP import: map HDR Highlight Compression, Echo, Linear Wipe, Offset and Color Stabilizer

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The importer reported these five effects as lost. They now become
EffectCraft's effects of the same name with every parameter After Effects
stores (ranges, defaults and popup items from our own After Effects 2026
project, documented in docs/aep-format.md 3.7):

- ADBE HDR ToneMap -> ec.utility.hdrcompression (Amount)
- ADBE Echo -> ec.time.echo (Echo Time, Number Of Echoes, Starting
  Intensity, Decay, Echo Operator by item name)
- ADBE Linear Wipe -> ec.transition.linearwipe
- ADBE Offset -> ec.distort.offset (Blend With Original is a stored 0..1
  fraction, a percentage here)
- ADBE Deflicker -> ec.color.colorstabilizer (fresh Stabilize default
  Levels, points, Sample Size)

A table row can name the range EffectCraft's effect works in
(ParamMap::limit): Echo values or keys beyond 255 echoes or a Decay of 1
are imported as stored and reported.

Tests build each effect into the committed synthetic.aep (fx_inject.rs,
which also checks its pard layout reads back). On the sample project the
effect losses go from 75 to 3 (the out-of-range Echo values).

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
This commit is contained in:
vangel76
2026-11-05 14:45:39 +01:00
co-authored by Claude Opus 5.5
parent a439b1bb19
commit d10991eff3
8 changed files with 581 additions and 3 deletions
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docs/aep-format.md
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@@ -519,6 +519,20 @@ popup_selected_item, borrowed_definition}`, `Effect::has_own_definitions`,
(356, 357, 361, 363, 364, 366, 368, 369, 371, 374, 377, 378, 380, 382, 383),
`tests/effects_exposure.rs` (389-391, 393-397).
**Importer block 2026-11-05, #3110 (`1100-quickwins.aep`, After Effects 26.2.1; V for every
row: defaults from the defaults composition, the valid ranges from the minimum and maximum
compositions, the items from one composition per popup item).** Each set value is stored as set
(Decay 20 is `20.0`, Blend With Original 100 % is `1.0`); a value set to the default leaves no record
(HDR Amount 100):
| Effect (match name) | Parameters (`parT` index: type, valid range, default) |
|---|---|
| `ADBE HDR ToneMap` (HDR Highlight Compression) | 1 Amount: float, 0..100 (slider 0..100), default 100 |
| `ADBE Echo` | 1 Echo Time (seconds): float, -30 000..30 000 (slider -5..5), default -1/30 (float32); 2 Number Of Echoes: integer, max 30 000, default 1; 3 Starting Intensity: float, 0..1, default 1; 4 Decay: float, **valid 0..100, slider 0..1**, default 1; 5 Echo Operator: popup (Add, Maximum, Minimum, Screen, Composite In Back, Composite In Front, Blend), default 1 |
| `ADBE Linear Wipe` | 1 Transition Completion: fixed, max 100, default 0; 2 Wipe Angle: angle, default 90; 3 Feather: fixed, max 32 000, default 0 |
| `ADBE Offset` | 1 Shift Center To: point, default the layer centre; 2 Blend With Original: fixed, **max 1 (a 0..1 fraction)**, default 0 |
| `ADBE Deflicker` (Color Stabilizer) | 1 Stabilize: popup (Brightness, Levels, Curves), **default 2 (Levels)**; 2 Black Point, 3 Mid Point, 4 White Point: points, defaults 0.2 / 0.5 / 0.8 of the width at half the height; 5 Sample Size: fixed, max 50, default 3. The reference frame the Set Frame button picks is not among the parameters |
**Curves and Mesh Warp** (961-965, 985; applied from presets, the data is not scriptable): their
arbitrary-data parameter (type 11) always has a record (`tdbs` with a 4-byte `cdat`) and a `LIST
aRbs` / `aRbp`, also at the default. Curves (`ADBE CurvesCustom-0001`, 1644 bytes): `u16` 1, 1;