Crate revelo_parsers_text 

Text and subtitle format parsers for the revelo media-analysis library.

Each public function has the signature fn(&mut FileAnalyze) -> bool. It inspects the byte content of a stream, returns false if the format is not recognised, or fills the FileAnalyze stream graph with format, encoding, and timing fields and returns true.

Supported formats

Function	Format
parse_sub_rip	SubRip (SRT) — plain-text timed subtitles
parse_webvtt	WebVTT — W3C Web Video Text Tracks
parse_ttml	TTML / DFXP — Timed Text Markup Language
parse_timed_text	3GPP Timed Text (TX3G / QuickTime tx3g)
parse_cmml	CMML — Continuous Media Markup Language
parse_kate	Kate — Ogg Kate overlay stream
parse_pgs	PGS — Presentation Graphic Stream (Blu-ray)
parse_dvb_subtitle	DVB subtitle (ETSI EN 300 743)
parse_teletext	Teletext subtitle (ETSI EN 300 472)
parse_arib_std_b24_b37	ARIB STD-B24 / STD-B37 (Japanese digital broadcast)
parse_eia608	EIA-608 / CEA-608 (Line 21 closed captions)
parse_eia708	EIA-708 / CEA-708 (DTV closed captions)
parse_dtvcc_transport	DTVCC transport layer (CEA-708 packetisation)
parse_scc	SCC — Scenarist Closed Captions
parse_scte20	SCTE-20 — closed captions in MPEG-2 user data
parse_cdp	CDP — Caption Distribution Packet (SMPTE ST 334)
parse_n19	N19 / STL — EBU Subtitling Data Exchange Format
parse_pac	PAC — Cheetah caption file
parse_pdf	PDF — format identification for PDF documents
parse_sdp	SDP — Session Description Protocol
parse_other_text	Generic text-stream fallback

Normal use

Prefer the revelo facade, which auto-detects formats and dispatches to the correct parser:

use revelo_parsers_text::parse_sub_rip;
use revelo_core::FileAnalyze;

let data = std::fs::read("subtitles.srt").unwrap();
let mut fa = FileAnalyze::new(&data);
if parse_sub_rip(&mut fa) {
    // fa contains a Text stream with format and encoding fields
}

Safety

#![deny(unsafe_code)] — zero unsafe blocks in this crate.

Re-exports

pub use arib_std_b24_b37::parse_arib_std_b24_b37;

pub use cdp::parse_cdp;

pub use cmml::parse_cmml;

pub use dvb_subtitle::parse_dvb_subtitle;

pub use eia608::parse_eia608;

pub use eia708::parse_eia708;

pub use kate::parse_kate;

pub use n19::parse_n19;

pub use other_text::parse_other_text;

pub use pgs::parse_pgs;

pub use sub_rip::parse_sub_rip;

pub use dtvcc_transport::parse_dtvcc_transport;

pub use pac::parse_pac;

pub use pdf::parse_pdf;

pub use scc::parse_scc;

pub use scte20::parse_scte20;

pub use sdp::parse_sdp;

pub use teletext::parse_teletext;

pub use timed_text::parse_timed_text;

pub use ttml::parse_ttml;

pub use webvtt::parse_webvtt;

Modules

arib_std_b24_b37

ARIB STD-B24 / STD-B37 caption data parser (Japanese broadcast).

cdp

CDP (Closed-caption Data Packet, SMPTE 334-2) parser.

cmml

CMML (Continuous Media Markup Language) parser.

dtvcc_transport

dvb_subtitle

DVB Subtitle parser — PES payload sync (ETSI EN 300 743).

eia608

EIA-608 (CEA-608) closed caption parser.

eia708

EIA-708 (CEA-708) digital closed caption parser.

kate

Kate (Ogg-Kate) subtitle/karaoke identification-header parser.

n19

EBU Tech 3264 (N19) / STL subtitle file parser.

other_text

Catch-all subtitle/text detector mirroring File_OtherText in MediaInfoLib (Source/MediaInfo/Text/File_OtherText.cpp).

pac

pdf

pgs

PGS (Blu-ray Presentation Graphic Stream) subtitle parser.

scc

scte20

sdp

sub_rip

SubRip (.srt) subtitle parser.

teletext

timed_text

ttml

TTML (Timed Text Markup Language) parser.

webvtt