There was no way to turn a presentation into an animated GIF. file.export now writes one: format
`gif` (or a .gif path), one frame per slide drawn by the slide renderer and shown for
secondsPerSlide, encoded with the `image` crate's GIF encoder (already a dependency, no new
crates) with a 256-colour palette per frame: exact when a slide has 256 colours or fewer,
NeuQuant otherwise. Slides are composited onto white.
Options: width (small 640, medium 960 (default), large 1280, extraLarge 1920, or 16-3840 px; the
height follows the slide's aspect ratio, no side over 3840), secondsPerSlide (0.1-600, default 5,
written in GIF hundredths), loop (forever by default, or once: no NETSCAPE2.0 block), slides (a
list of indices, in play order) and includeHidden (hidden slides are skipped by default).
Out-of-range or wrongly typed values, NaN and infinities are BadParams errors, never panics; at
most 500 frames and 200 million pixels in total, checked before anything is rendered.
- Engine: crates/engine/src/gif_export.rs (options, frame list, size, encoder);
cmd::file::gif_bytes, save_bytes("gif"), format_for_path(".gif").
- UI: the Export… dialog (Command palette; the app has no File menu yet) gets "Animated GIF (.gif)" with Size, Seconds per slide, From/To slide,
Loop forever and Include hidden slides; an invalid range or value keeps the dialog open with a
message. The web build downloads the bytes (image/gif).
- CLI: convert IN OUT.gif, run --export OUT.gif --export-params JSON; usage lists the format and
options.
- MCP: the export tool lists gif and width/secondsPerSlide/loop (slides and includeHidden now
apply to PDF and GIF).
- Docs: file-format parity GIF row, gaps (video export remains), parity checklist row M -> P
(P2 breadth 36% -> 37%, overall 79%), control protocol, MCP, README, ROADMAP progress log.
Transitions and build animations are not animated in the GIF (tracked with video export).
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
When typing in Kurdish, Arabic or Hebrew in a new document or text shape, default
paragraph direction (props.rtl: None) was resolving to LTR. In an LTR
paragraph, visual reordering pinned newly typed characters and the caret to the
left margin, resetting to the start of the line with every keystroke and jumping on
space characters due to UAX #9 rule L1.
- Add first_strong_is_rtl() in deckcraft-model following UAX #9 rules P2/P3.
- Auto-resolve unassigned paragraph direction to RTL in shape_para layout when the
paragraph starts with an RTL script, defaulting alignment to Align::Right.
- Auto-promote paragraph to RTL (props.rtl = Some(true), props.align = Some(Align::Right))
when typing or inserting text starting with an RTL character.
- Add regression tests in deckcraft-model, deckcraft-text, and deckcraft-engine.
Notes from a .pptx were read and written with their formatting, but the notes pane and Notes
Page drew them as plain text (Slide::notes_text in a plain TextEdit), and any edit there saved
the text back through slide.notes as TextBody::from_text, dropping every bold run, level,
indent and bullet of the slide's notes.
- ui-egui: a notes editor (notes.rs) shared by the notes pane and Notes Page. It draws bold,
italic, underline, strikethrough and size from the runs, and each paragraph's margin, hanging
indent and bullet or number (Wingdings/Symbol bullets mapped as on slides); paragraphs are
laid out one by one so wrapped lines align with the text, not the bullet. Each edit is applied
to a formatted draft, so typed text takes the formatting where it lands (Enter in a bulleted
point starts another), and the draft is saved once the field loses focus or the slide changes.
- engine: slide.notes takes `body` (formatted notes, as slide.inspect's new `notesBody`), and
`text` now changes only what was retyped (model edit::replace_text); text sharing nothing
with the old notes is still plain.
- text: map_symbol_bullet is public for the notes editor.
PDF notes pages still print the notes as plain text.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
The value axis used a generic "nice" scale: about five intervals and no
headroom, so data with a maximum of 42.1 got 0-50 in steps of 10, while
PowerPoint and LibreOffice draw 0-45 in steps of 5.
`auto_scale` now follows the rule Office documents for automatic limits:
the maximum is the first major unit at or above max + (max - min)/20, the
minimum is zero when all values are positive and the smallest is below 5/6
of the largest (otherwise the first major unit at or below min - the same
headroom), and all-negative data mirrors that. The major unit is the
smallest 1, 2 or 5 x 10^n that gives at most 10 intervals. Fixed
`<c:min>`/`<c:max>` limits are kept as they are and no longer get rounded
or padded; values beyond them stop at the plot edge. 100% charts get
0-1 in steps of 0.1.
Fixes#144
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Ctrl/Cmd + wheel and pinch changed the zoom but left the scroll offset
alone, so the slide grew from the canvas corner (from its top-left once it
was larger than the window) and the spot under the pointer slid away. The
pointer position was read but never used. Zoom In/Out, the status-bar
slider and the Zoom dialog had the same effect.
The canvas now remembers last frame's slide rect and scale. When the scale
changes it sets the offset so the slide point under the anchor stays put:
the pointer for wheel and pinch zoom, the middle of the canvas for the
commands. Once the slide fits the window it is centred as before. Wheel
and pinch zoom take effect in the same frame instead of the next.
Fixes#106
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
PowerPoint 2021/2024 write a 0.5 s transition with neither spd nor
p14:dur, since "fast" is the schema default for spd. The reader fell back
to the effect's own default instead (Morph 2 s, Fade 0.7 s, most 1 s).
generated with Claude Code
PPTX import already read PowerPoint's media effects (presetClass
mediacall: Play, Pause, Stop) into the timeline, but the show never
carried them out: media started only with autoplay or a click on it.
The show now sets off a step's media effects as the step reaches them,
and also when a click cuts the step short.
A step also no longer lasts as long as the media it starts: the video
plays on by itself and the next click goes on at once. An After Previous
effect behind it still waits for the media to end.
generated with Claude Code
The engine handled Tab (a tab character, or a list level at the start of
a paragraph), but egui also treated it as focus navigation: with no
widget focused it focused the first ribbon widget, and since the slide
only takes keys while nothing is focused, every key after Tab was lost.
When the slide has the keyboard, the keyboard handler now cancels that
focus move.
This also covers the "can't type after indenting" part of #93.
generated with Claude Code
Two paired pictures that differed only in crop counted as changed
content, so the new one faded in over the old one on the moving box.
Now they stay one picture whose crop morphs: the whole image moves and
scales linearly between where it lies on either slide, and each frame's
crop is what the interpolated box shows of it (morph_crop).
generated with Claude Code
The last matching pass paired any two shapes of one kind and preset
geometry, so a text box leaving the slide was paired with an unrelated
one arriving and flew across to it. That pass now only pairs shapes
without text: a text box needs its name or its text on the other slide
to morph, otherwise it fades out (or in) where it is, as in PowerPoint.
generated with Claude Code
A shape id that was present but not a valid id (negative, not an integer,
larger than u32) was treated as absent, so commands such as text.set and
text.edit silently edited the selected shape instead. id_param now tells three
cases apart: absent (the selection fallback is unchanged), valid, and invalid
(an error naming the command). arrange, edit (select), inspect, review, table,
text and the animation painter pick this up.
slide.go clamped an out-of-range index to the last slide and reported
success, so a request for slide 99 of a short deck landed on the last slide
without a word. It now returns an error and stays on the current slide. A slide
id beyond u32 is reported as an unknown slide instead of being read as id 0.
file.export with an explicit format outside png, jpeg, jpg, pdf, pptx, potx,
ppsx, deckcraft, outline and txt fell through to the native deckcraft zip, so a
request for "docx" reported success and wrote a deckcraft archive under that
name. It now returns an error and writes nothing. A format inferred from the
file extension behaves as before.
Two threads resolving a family nobody had loaded yet raced. The one that
lost the race saw add_font add nothing and fell back to another face, and
a lookup made while a family was being added saw only part of it (Arial
Bold Italic loads first, so "Regular" came back bold italic). The same
text was then laid out in different fonts depending on timing, which made
clicks_in_flipped_shapes_hit_the_text_where_it_is_drawn flaky when the
theme font isn't bundled.
Loading installed fonts now happens under one lock and rechecks once it
holds it, and a family's faces are added in one step.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Follow-up to #27. render_blend built a GeometryMorph (contours, alignment)
for every morphing shape on every frame, though only t and the current box
change while a transition plays. The Renderer now keeps the aligned morphs,
keyed by both geometries and their own sizes, and drops those a frame did
not use, so the cache ends with the transition.
- render: morph_path::Cache replaces morph_path::geometry; blend sweeps it.
- test: one alignment per transition, same geometry as a fresh one.
generated with Claude Code
Every datetime field showed the deck-wide fixed date text instead of a date: empty when no slide
had a fixed date, and that text on every slide when one did. A fixed date is plain text in its
slide's placeholder; a field is an automatic date, so it now shows the local date and time in the
format of its type (ECMA-376 datetime1 to datetime13 as PowerPoint lists them for English,
datetime and datetimeFigureOut the short date). Numeric dates follow the run's language
(en-GB 09/10/2026, de-DE 09.10.2026...); formats with names stay English-only, so other languages
keep the field's saved text, as do unknown types and builds without a clock (wasm). The saved
text is kept on save.
- text: datetime module (field types, formats, local clock via chrono, not on wasm);
Fields::field_in passes the run's language.
- render: RenderOpts::now injects the clock (tests, deterministic output); the PDF text layer
uses the same fields.
- engine: Header & Footer turns existing date placeholders into fixed text or back into a
field; new date fields are saved with the date they show (local, not UTC).
Co-authored-by: lloyd <lloyd@stackworx.io>
Co-authored-by: Claude Opus 5.5 <noreply@anthropic.com>
Co-authored-by: Brandon Thomas <echelon@gmail.com>
- engine: add animation.painter (Alt+Shift+C) and animation.painterApply (Alt+Shift+V) supporting single-use and sticky modes
- tools: apply animation painter on canvas shape click
- edit: disarm animation painter on deselect (Escape)
- ui-egui: add Animation Painter button in Advanced Animation ribbon group
- tests: unit tests for single and sticky animation painting
- docs/parity: mark Animation Painter as done (breadth parity to 80%)
- contributors: add Johannesgauss to contributors/people.toml
Co-authored-by: Brandon Thomas <echelon@gmail.com>
Co-authored-by: Claude Opus 5.5 <noreply@anthropic.com>
Three causes, each making links look like they "don't save":
- With the caret at a word boundary (end of text, empty paragraph),
insert.hyperlink formatted an empty range and changed nothing. It now
inserts the address (or the slide's title, or `text`) as linked text, as
PowerPoint does. Typing right after a link no longer extends it.
- The slide show ignored hyperlinks and shape actions. A click on one now
follows it (ShowState::follow): slides, next/previous/first/last, Last
Slide Viewed, End Show, and URLs; the pointer turns into a hand over links.
- The desktop app was built without eframe's `links` feature, so
ctx.open_url did nothing natively (also the ribbon's app page link).
Enabled as in DesignCraft, EffectCraft and PrintCraft.
Saving was fine: links round-trip through .deckcraft and .pptx.
generated with Claude Code
Co-authored-by: Brandon Thomas <echelon@gmail.com>
Co-authored-by: Claude Opus 5.5 <noreply@anthropic.com>
* feat(pictures): animated GIFs play, with pause (media.gifPlay)
GIF pictures used to show only their first frame. The renderer now decodes every frame (cached, capped at 256 MB and 1024 px a side) and draws the frame for each GIF's play time, passed in RenderOpts::gif_times; exports and thumbnails pass none and keep frame 1. The editor canvas and the slide show redraw only when a GIF reaches its next frame. A corner button on hover (or selection) pauses and resumes a GIF from the same frame, through the new media.gifPlay command.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
* feat(pictures): animated GIFs play, with pause (media.gifPlay)
GIF pictures used to show only their first frame. The renderer now decodes every frame (cached, capped at 256 MB and 1024 px a side) and draws the frame for each GIF's play time, passed in RenderOpts::gif_times; exports and thumbnails pass none and keep frame 1. The editor canvas and the slide show redraw only when a GIF reaches its next frame. A corner button on hover (or selection) pauses and resumes a GIF from the same frame, through the new media.gifPlay command.
Also adds my entry to contributors/people.toml.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
* Animated GIFs: cap frames (1000), canvas (4096²), per-GIF (64 MB) and cache (192 MB) memory
A few MB of hostile GIF could decode to millions of tiny frames or a 100 Mpx canvas per frame,
and eight cached GIFs could hold 2 GB.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
---------
Co-authored-by: Claude Opus 5.5 <noreply@anthropic.com>
Co-authored-by: Brandon Thomas <echelon@gmail.com>
It ran file.new, so each click silently added another blank presentation
and looked like it did nothing. Home is now a UI command (app.home) that
shows the start screen over the open presentations, with a "Back to …"
button; Escape or Home again goes back. Creating or opening a presentation
from it leaves it. While it's open, keys don't reach the hidden
presentation (only app shortcuts and Escape). ui.inspect reports `home`.
generated with Claude Code
egui::Popup::menu closes on any click inside the popup, so the "More
Colors… #" field of every colour drop-down closed the menu before a value
could be typed. The colour drop-downs now open through
widgets::color_popup (CloseOnClickOutside): picking a colour still closes
them (color_grid calls ui.close()), and the other buttons in them
(Gradient…, the Weight, Dashes and Arrows submenus of Shape Outline) close
them explicitly.
generated with Claude Code
* Morph: a changed geometry morphs its outline (a circle turns into a star)
Paired shapes that differ only in geometry (another preset, other adjust
values, a custom path) and fill colour no longer cross-fade: one shape moves
and its outline turns from the old geometry into the new one.
- geom::morph aligns two outlines the way manim does: the same number of
contours, the same number of cubic curves per contour pair, then every
point moves in a straight line. Closed contours are turned and reversed so
the points travel least (a triangle does not twist into a circle), extra
points go to the longest curves, and a sub-path without partner grows out
of (or shrinks into) a point, so a cube's faces appear and a donut's hole
closes. Fill mode, outline and fill rule switch at the midpoint.
- anim::morph_frame lists such shapes in MorphFrame::paths; the renderer
draws them with the morphed geometry (PathMorph, a new render_blend
argument next to TextMorph).
Ported from the path morph in alexplain (MIT, same author).
generated with Claude Code
* Morph: differing looks of an outline cross-fade instead of switching
When a sub-path pair differs in fill mode, outline or fill rule, the two
looks no longer switch at the midpoint. A fill or outline only one side has
fades out (or in), so a filled shape turning into a line loses its fill
gradually. When both fill, the even-odd side lies opaque underneath and the
other fades over it, so a donut's hole fills smoothly while it shrinks.
generated with Claude Code
---------
Co-authored-by: Brandon Thomas <echelon@gmail.com>
Flips mirror a shape's geometry, never its text. The text was drawn with the shape's full
transform, so every label on a flipped arrow came out mirrored (flipH) or mirrored upside down
(flipV). As in PowerPoint, the text rect keeps its flipped place and the text is mirrored back
about the rect's centre: flipH text stays upright, flipV (or both flips) turns it 180°, rotation
still applies, and the same holds for shapes inside flipped groups.
render::text_transform is that transform (plus vertical-text rotation). Drawing, the PDF text
layer and link boxes, morph text, the editing caret and selection, and click-to-place-the-caret
all use it, so a click lands on the character drawn under it.
Co-authored-by: lloyd <lloyd@stackworx.io>
Co-authored-by: Claude Opus 5.5 <noreply@anthropic.com>
Co-authored-by: Brandon Thomas <echelon@gmail.com>
Text with a:hlinkClick (to a URL or a slide) looked like the text around it. As in PowerPoint,
a linked run now takes the theme's hlink colour and a single underline, unless the run itself
sets a colour (PowerPoint 2019 and later honour it) or an underline (u="none" removes it).
Colours from list and master styles don't count, so links in titles are blue too.
This is part of run resolution, so links added with insert.hyperlink look the same, Format
shows them underlined, and turning underline off writes u="none". The run's own props are left
alone, so the look follows the theme.
Co-authored-by: lloyd <lloyd@stackworx.io>
Co-authored-by: Claude Opus 5.5 <noreply@anthropic.com>
tools/list described export as png/jpeg/pptx/outline only, with no PDF parameters, although
file.export (which the tool runs) writes PDF slides, notes pages and handouts. The tool's
description now names PDF, format is an enum of the formats file.export writes, and the schema
lists the PDF options: layout, perPage, dpi, slides, includeHidden, textLayer and frame.
Co-authored-by: lloyd <lloyd@stackworx.io>
Co-authored-by: Claude Opus 5.5 <noreply@anthropic.com>
On a slide change the show kept a clone of the old slide's texture handle
as the transition's "old" picture, then rendered the new slide into that
same texture with set(). Old and new were the same image, so every
transition (except Morph, which renders into its own texture) blended the
new slide with itself and looked like an instant cut. The old texture is
now taken out of show.tex, so the new slide gets a texture of its own.
generated with Claude Code
dedup only removes consecutive duplicates, so two equal ids that were not
adjacent would have passed. Follow-up to the review note on #5.
generated with Claude Code
* Sprint 1: bidi and Arabic typography engine
fonts: ISO 15924 script and a:latin/a:ea/a:cs slot classification;
shape_range shapes an item with the whole paragraph as HarfRust
pre/post context, explicit script/language/direction, glyphs kept in
visual order; per-grapheme-cluster fallback (slot face, theme script
font, OS cascade families, bundled craft-fonts face); GDEF ligature
carets.
text: UAX #9 levels for the whole paragraph (a:pPr/@rtl), itemization
by level, script, face and shaping style (paint-only changes no longer
split words), logical line breaking at cluster boundaries, per-line
L1/L2 reordering (L4 mirroring by the shaper); RTL start edge and
bullets, justLow kashida; caret Affinity, logical/visual movement,
bidi hit testing and selection as the union of visual boxes.
model/pptx: theme a:font script fonts and algn="justLow" round-trip.
engine: format.rtl (Right-to-Left Text Direction), justifyLow align.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
* Fonts: the bundled script face comes before installed fonts; no Microsoft family names
Arabic, Hebrew, Thai and Devanagari clusters try the craft-fonts face first, so every machine
draws the same, then openly licensed or OS-native installed families, then any installed face.
Installed Microsoft faces are still used through that scan, but not named (AGENTS.md §1.1).
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
---------
Co-authored-by: Tayeb <tayeb@192.168.11.179>
Co-authored-by: Claude Opus 5.5 <noreply@anthropic.com>
Co-authored-by: Brandon Thomas <echelon@gmail.com>
* Tables: rows grow to fit their text, cell text in the PDF text layer (#13)
A stored row height (a:tr/@h) is a minimum, as in PowerPoint: each row grows so its cells' text fits. Tables from pandoc or python-pptx store h="0" and drew every row on top of each other. Cell editing (click to edit, cell outline) uses the same heights, and the PDF text layer now includes table cell text.
* Tables: a grown table's box covers its drawn rows; resize scales from drawn heights
Handles, hit tests and marquee used the stored frame, so rows grown to fit their text drew
below the selection box (a file with h=0 rows had a 0 pt tall box). Resizing divided by the
stored row total, which is ~0 for those files.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
---------
Co-authored-by: Brandon Thomas <echelon@gmail.com>
Co-authored-by: Claude Opus 5.5 <noreply@anthropic.com>
* Morph: shapes move, resize and blend in the slide show
Morph used to fall back to a plain crossfade in the show: morph_pairs and
morph_xfrm existed, but nothing rendered frames with them.
- anim: morph_frame builds a frame from two slides. Paired shapes move along
morph_xfrm (eased); a pure fill colour change blends, other content changes
cross-fade on the same moving box. Unpaired shapes fade out/in, shapes with
entrance animations or hidden media stay out of the frame.
- render: render_blend draws such a frame in one pass: both backdrops
(background, master and layout graphics) cross-fade, every shape resolves
against the slide it comes from, so placeholders keep their own layout.
Renderer::slide is split into canvas/fields/backdrop to share the code.
- ui-egui: the show renders morph frames with these, crossfade otherwise.
generated with Claude Code
* Contributors: add my own entry (alexanderalber)
generated with Claude Code
* Morph: Words and Characters options morph text token by token
The transition option (objects/words/characters) was stored and round-tripped
but ignored by the show. With Words or Characters, paired shapes whose text
differs now morph their text instead of cross-fading it:
- text: GlyphRun records per glyph the paragraph character it draws, so
glyphs can be grouped into words or characters.
- anim: morph_frame reads the option and lists such pairs in MorphFrame::text.
- render: morph_text draws them. Shared words (or characters) travel from their
place in the old text to their place in the new one and grow or shrink to the
new size; a different look cross-fades on the way. The remaining tokens fade
while following a scale and shift fitted to the shared ones, so a line moves
and rearranges as one. Rotated text falls back to a cross-fade.
draw_layout_with's glyph drawing moved into draw_glyph for reuse.
- ui-egui: the show passes the pairs to render_blend.
generated with Claude Code
---------
Co-authored-by: Brandon Thomas <echelon@gmail.com>
`sniff` searched only the leading 4096 bytes for the content-types part, but
OOXML writers may place that part anywhere in the archive. Recent PowerPoint
builds (16.x) store it as the last zip entry, so every deck saved by them was
rejected with "not a presentation DeckCraft can read" although it imports fine.
In one real folder 169 of 300 decks were affected.
Look the part up in the zip's central directory instead. The regression test
re-packs the sample deck with the part last behind 64 KB of padding and
checks that it is both recognised and imported.
Co-authored-by: Matthias Weber <webermatt@me.com>
Co-authored-by: Claude Fable 5.1 <noreply@anthropic.com>
The step clock ran before the frame's input actions were applied. A click
that started a step (PlayStep) was timed against the old step_start (when the
slide was entered), so after waiting longer than the step's duration the step
finished in the same frame: everything appeared at once, without animation.
Input actions are now applied before the clock is read.
generated with Claude Code
Exp-Golomb values read with `read_ue()` can be as large as u32::MAX, so
`read_ue()? + N`, `log2_min + read_ue()?` and the cropping / conformance
window arithmetic overflowed: a panic in debug builds, and in release a
silent wrap (e.g. pic_width_in_mbs_minus1 = u32::MAX became a width of 0,
which passed the `<= 1024` check).
- bitstream: add `BitReader::read_ue_plus(n)`, an overflow-checked
`ue(v) + n` that returns InvalidExpGolomb.
- h264/hevc: use it for every `read_ue()? + N`; saturate the log2 size
sums (the existing range checks then reject them); validate the H.264
crop in u64; make HEVC `crop_rect` saturating; validate the HEVC RPS
delta range before casting to i32.
- Regression tests for each (they fail on the previous code).
* About: contributors compiled in from contributors.json (grab bag + table, sortable, name toggle)
Adds the craftrules standard (standards/contributors.md) to DeckCraft's About window:
tabs About · Contributors · Models. contributors/contributors.json is generated by
craftrules/scripts/contributors.py and baked into the binary by crates/ui-egui/build.rs as
static tables. Each contributor line: @username, opt-in display/real name, PRs, commits,
lines +/−/Δ, binary assets +/−, first/last commit. Sortable by every column; alphabetical
ignores case and the leading @. The control channel's ui.dialog.open now honours its
documented `fields` param (e.g. About {"tab": "contributors"}).
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
* Contributors: self-submitted names in contributors/people.toml; AGENTS.md credit-yourself section
build.rs reads contributors/people.toml next to the generated contributors.json and shows a name only
for entries the generator verified as written by that person (craftrules standards/contributors.md).
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
* Contributors: regenerate (verified people.toml entries)
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
---------
Co-authored-by: Claude Opus 5.5 <noreply@anthropic.com>
- crates/media: probe (duration, rate/channels, size/fps; WMA/WMV recognised), audio decode to
f32 PCM (MP3, AAC M4A/ADTS, ALAC, WAV, AIFF, CAF, FLAC, Vorbis via symphonia; Opus with our
decoder in Ogg/WebM/MKV), video decode (MP4/MOV/WebM/MKV) with YUV->RGBA, poster frames,
trim/fade/volume, Player mixer + per-voice clock (device-clocked or wall-clocked), VideoFeed.
- Codec crates ported from FilmCraft: bitstream, h264, hevc, vp9, av1, isobmff, matroska, ogg, opus.
- insert.audio/insert.video probe and store duration/size and a poster frame; unplayable media
is embedded with a warning. New media.play/pause/toggle/stop/seek/info/posterFrame.
- UI: MediaHost (cpal output injected by the desktop app), control bar under media, video frames
on canvas and in the show; autoplay, click to play, loop, rewind, across slides, hide, full screen.
- Tests with in-code WAV/AIFF and CC0 self-generated fixtures (make.sh, ATTRIBUTION.md rows).
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
MarekSpodBiedry