Problem: Premiere reads Radiance HDR (.hdr) pictures; FilmCraft listed
the extension nowhere and could not open them.
Fix: clean-room RGBE decoder in filmcraft-media from the public format
description: header with FORMAT, all eight axis orders, flat, old
run-length and new per-channel run-length scan lines. Frames are linear
float (Rec.709), like EXR. Allocations are bounded by the data present;
hostile headers and truncated data return errors. "hdr" joins the
importable still extensions; stills and image sequences share the decoder.
Output equals ffmpeg's decode exactly for flat and RLE files; EXPOSURE and
PRIMARIES lines are ignored and XYZE is refused.
Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>
vangel76