mirror of
https://github.com/storytold/craft-libs.git
synced 2026-11-12 11:13:55 +00:00
ce31f42e76
* craft-media: read and write the QuickTime logs box A video sample entry's `logs` child holds the CoreMedia log transfer-function identifier (`com.apple.rec2020.apple-log` for Apple Log). It is kept as `VideoParams::log_transfer_function`, whatever curve it names. The reader takes non-empty UTF-8 without NUL of at most 255 bytes; anything else, or a second `logs` box, reads as unknown. The writer refuses an identifier the reader would not accept. Ported from storytold/filmcraft#1764. * craft-media: the Matroska muxer writes a video track's Colour element `TrackSpec::color` takes the reader's `Color` and the muxer writes the fields that are set: matrix, range, transfer, primaries, chroma layout, light levels and mastering metadata (RFC 9559). VP9's own colour syntax carries only the matrix and range, so without the element a Rec. 2020, P3, PQ or HLG WebM reads as BT.709. Ported from storytold/effectcraft#2926, which wrote the element by hand in EffectCraft's WebM export. * craft-media: the laced remux test laces ffmpeg's Vorbis fixture again ffmpeg's Vorbis files declare a short DefaultDuration and store longer durations per block, so with the track's own default nothing laced and the test failed ("vorbis.mkv Xiph: nothing was laced", ffmpeg 9.0.2). Audio tracks now take their median packet duration as the default, and frames are written with their explicit durations, so a short last packet ends its lace. Ported from storytold/filmcraft#3622 (test-only part). --------- Co-authored-by: 20Coder <51251284+BitL8-ByteShort@users.noreply.github.com> Co-authored-by: JonRC <jonarc06@gmail.com> Co-authored-by: Michael Butler <michaelbutler75@gmail.com>