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wip: rc6 VFR/DVD/CSS base (held for bulletproofing + split)

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Matthew Jackson
2026-06-25 18:17:08 -07:00
parent 9b6a48e9d9
commit 8e0797eab0
9 changed files with 653 additions and 305 deletions
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src/mux/ebml.rs
+7 -6
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@@ -435,17 +435,18 @@ pub const FIELD_ORDER: u32 = 0x9D;
// FlagInterlaced values: 1 = interlaced, 2 = progressive (0 = undetermined).
pub const INTERLACED_INTERLACED: u64 = 1;
pub const INTERLACED_PROGRESSIVE: u64 = 2;
// FieldOrder values (Matroska): 0/2 = top-field-first, 1/9 = bottom-field-first.
// NTSC DVD (480i), PAL DVD (576i) and HD (1080i) are all emitted top-field-first
// — the muxer hardcodes TFF for every interlaced DVD/HD source (DV is the only
// common BFF source and freemkv does not produce it). 0xFF is our sentinel for
// FieldOrder values (Matroska / RFC 9559, element 0x9D): 1 = top-field-first,
// 6 = bottom-field-first, 2 = undetermined, 0 = progressive. NTSC DVD (480i),
// PAL DVD (576i) and HD (1080i) are all emitted top-field-first — the muxer
// hardcodes TFF for every interlaced DVD/HD source (DV is the only common BFF
// source and freemkv does not produce it). 0xFF is our sentinel for
// "undetermined / omit".
pub const FIELD_ORDER_TFF: u8 = 2;
pub const FIELD_ORDER_TFF: u8 = 1;
// Bottom-field-first. Retained for completeness/round-trip tests; the muxer
// emits TFF for all DVD/HD interlaced content (DV is the only common BFF
// source and freemkv does not produce it).
#[allow(dead_code)]
pub const FIELD_ORDER_BFF: u8 = 9;
pub const FIELD_ORDER_BFF: u8 = 6;
pub const FIELD_ORDER_UNDETERMINED: u8 = 0xFF;
pub const DISPLAY_WIDTH: u32 = 0x54B0;
pub const DISPLAY_HEIGHT: u32 = 0x54BA;