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changelog: faststart default + DTS/DTS-HD audio (mp4://)

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Matthew Jackson
2026-07-18 22:35:37 -07:00
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CHANGELOG.md
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- **Native MP4 output (`mp4://`)** — a progressive ISO-BMFF muxer - **Native MP4 output (`mp4://`)** — a progressive ISO-BMFF muxer
(`ftyp`+`mdat`+`moov`), so a disc goes straight to a play-everywhere `.mp4` in (`ftyp`+`mdat`+`moov`), so a disc goes straight to a play-everywhere `.mp4` in
one decrypt pass, no ffmpeg round-trip. Carries HEVC / H.264 video (HDR10 colour one decrypt pass, no ffmpeg round-trip. Carries HEVC / H.264 video (HDR10 colour
via `colr`) and the Dolby audio family (AC-3 → `dac3`, E-AC-3 → `dec3`), with via `colr`) and the audio MP4 supports — AC-3 (`dac3`), E-AC-3 (`dec3`), and
correct sample tables and B-frame composition offsets. It's a **compatibility DTS / DTS-HD (`dtsc`/`dtsh` + `ddts`) — with correct sample tables and B-frame
export, not archival**: MP4 can't hold TrueHD, DTS-HD MA, or bitmap (PGS/VobSub) composition offsets. It's a **compatibility export, not archival**: MP4 can't
subtitles, so those are **excluded with a loud, itemized report — never a silent hold TrueHD, LPCM, or bitmap (PGS/VobSub) subtitles, so those are **excluded
drop** (`mkv://` remains the keep-everything path). Verified byte-for-byte with a loud, itemized report — never a silent drop** (`mkv://` remains the
equivalent to `ffmpeg -c copy`: frame-exact video and audio, identical colour and keep-everything path). Verified byte-for-byte equivalent to `ffmpeg -c copy`:
duration, clean decode. frame-exact video and audio (incl. a real DTS-HD MA 7.1 track, layout-exact),
identical colour and duration, clean decode.
- **Five extraction sinks — dissect a title, don't just rip it.** New write-only - **Five extraction sinks — dissect a title, don't just rip it.** New write-only
destinations that pull one facet of a title out on its own: destinations that pull one facet of a title out on its own: