Adding fix to objet_fit

gnommo/parser.py

@@ -236,6 +236,23 @@ def load_citations(path: Path) -> list[Citation]:
     ]
 
 
+def _lc_handle(value):
+    """Lowercase a video handle (or list of handles) referenced in project.json.
+
+    Video handles are stored lowercased as videos.json keys (import lowercases them),
+    so project.json references — outro, main_video, background — must be normalised to
+    match; otherwise a mixed-case entry like "OutroVideo6" fails the case-sensitive
+    lookup against key "outrovideo6" and the render reports it "not found" even though
+    it's there. The actual file path comes from the entry's source_file, so its case
+    is untouched. None / non-strings pass through unchanged.
+    """
+    if isinstance(value, str):
+        return value.lower()
+    if isinstance(value, list):
+        return [x.lower() if isinstance(x, str) else x for x in value]
+    return value
+
+
 def parse_project_config(project_path: Path) -> ProjectConfig:
     """Parse project.json into ProjectConfig."""
     config_path = project_path / "project.json"
@@ -329,22 +346,18 @@ def parse_project_config(project_path: Path) -> ProjectConfig:
         default_slide_type=data.get("defaultSlideType", "square"),
         cutouts=cutouts,
         default_filters=default_filters,
-        background=data.get("background", ""),
+        background=_lc_handle(data.get("background", "")),
         background_video=data.get("background_video", ""),  # Deprecated
         slides_path=data.get("slides", "slides.json"),
         videos_path=data.get("videos", "videos.json"),
         audio_path=data.get("audio", "audio.json"),
         transcript_path=data.get("transcript"),
         audio_source=data.get("audio_source"),
-        main_video=data.get("main_video"),
+        main_video=_lc_handle(data.get("main_video")),
         process_cache=data.get("process_cache"),
         default_begin=float(data.get("default_begin", 0.0)),
         default_end_trim=float(data.get("default_end_trim", 0.0)),
-        # Video handles are stored lowercased in videos.json (import lowercases the
-        # key), so normalise outro handles too — otherwise a project.json entry like
-        # "OutroVideo6" fails the case-sensitive lookup against key "outrovideo6" and
-        # the render reports it "not found in videos.json" even though it's there.
-        outro=[str(o).lower() for o in data.get("outro", [])],
+        outro=_lc_handle(data.get("outro", [])),
         description=data.get("description", ""),
         footer=data.get("footer", ""),
         output_video=data.get("output_video", ""),

gnommo/renderer.py

@@ -1363,10 +1363,12 @@ def build_filter_complex(
             # Scale and crop video
             video_label = f"outro{i}"
             start_pts = event.start_time
+            # OutroEvent carries no per-occurrence overrides, so read placement off
+            # its VideoSource (the videos.json defaults).
             filters.append(
                 f"[{video_idx}:v]format=yuva444p10le,"
                 f"setpts=PTS-STARTPTS+{start_pts:.3f}/TB,"
-                f"{_fit_filter(cut_width, cut_height, zoom, event.object_fit, event.object_position)},"
+                f"{_fit_filter(cut_width, cut_height, zoom, event.video_source.object_fit, event.video_source.object_position)},"
                 f"format=rgba[{video_label}]"
             )
 

gnommo/validator.py

@@ -369,6 +369,55 @@ def validate_project(
                         )
                     )
 
+    # Validate presentation override VALUES so a typo — [vsb:x, object-fit=covfer],
+    # end_on=nextslide, layer=beneath — fails HERE instead of silently mis-rendering
+    # (or crashing) at render time. Checked case-insensitively against the value sets
+    # the renderer/transformer accept. Sources: inline manuscript overrides and the
+    # project's own videos.json entries. Keep end_on in sync with _extract_video_events.
+    import re as _re
+    from .parser import parse_marker
+
+    _VALID_VALUES = {
+        "object-fit": {"cover", "contain"},
+        "object-position": {"center", "top", "bottom", "left", "right"},
+        "layer": {"above", "mid", "below"},
+        "end_on": {"end", "loop", "next_slide", "slide", "next_video",
+                   "video", "take", "end_marker"},
+    }
+
+    def _check_value(where: str, key: str, value, src_path: Path) -> None:
+        allowed = _VALID_VALUES.get(key)
+        if allowed is not None and value is not None and str(value).lower() not in allowed:
+            issues.append(
+                ValidationIssue(
+                    f"{where}: invalid {key}={value!r} — valid values: {sorted(allowed)}",
+                    src_path,
+                )
+            )
+
+    # (a) inline manuscript overrides:  [prefix:handle, key=value, …]
+    _mpath = project_path / "manuscript.txt"
+    if _mpath.exists():
+        _mtext = _mpath.read_text(encoding="utf-8")
+        for _raw in _re.findall(r"\[([A-Za-z0-9_:./\-]+(?:,[^\]\n]*)?)\]", _mtext):
+            _mid, _overrides = parse_marker(_raw)
+            for _k, _v in (_overrides or {}).items():
+                _check_value(f"[{_raw}]", _k, _v, _mpath)
+
+    # (b) project videos.json entries (JSON keys mirror CSS: object-fit/object-position)
+    _vjson = project_path / config.videos_path
+    if _vjson.exists():
+        try:
+            _raw_videos = _read_json(_vjson)
+        except Exception:
+            _raw_videos = {}
+        if isinstance(_raw_videos, dict):
+            for _vid, _entry in _raw_videos.items():
+                if isinstance(_entry, dict):
+                    for _k in ("object-fit", "object-position", "end_on", "layer"):
+                        if _k in _entry:
+                            _check_value(f"videos.json[{_vid}]", _k, _entry[_k], _vjson)
+
     # If any issues, raise ValidationError
     if issues:
         raise ValidationError(issues)