mpegts.js 1.8.0 (https://github.com/xqq/mpegts.js), fisierul dist/mpegts.js din pachetul npm mpegts.js@1.8.0
(sha512 al pachetului: sha512-ZtujqtmTjWgcDDkoOnLvrOKUTO/MKgLHM432zGDI8oPaJ0S+ebPxg1nEpDpLw6I7KmV/GZgUIrfbWi3qqEircg==;
sha256 al fisierului nemodificat: e998f7a6cec5fcab56ac14e8c22d61a42565c1ebf7174b3fda078343eda6cab0), MODIFICAT.

Schimbarile (2026, moneasoftware.com & hdsatelit.com, pentru pagina TV in browser a imaginii HD Satelit), numai in
demuxerul TS (partea H.264, HEVC pe campuri, sunetul AAC si sunetul AC-3) si in segmentul de initializare HEVC;
restul bibliotecii e neschimbat:
  - un comentariu la inceputul fisierului spune ca fisierul e modificat;
  - SPSParser.parseSPS da si frame_mbs_only_flag;
  - TSDemuxer.parseH264Payload: la imaginea H.264 care poate fi intretesuta (frame_mbs_only_flag = 0: campuri sau
    MBAFF) cadru cheie e numai imaginea IDR, iar mostrele de dinaintea primului IDR se arunca; din imaginile non-IDR
    se scot mesajele SEI recovery point (Chromium face din ele puncte de pornire la cautare); la imaginea progresiva
    totul ramane ca in mpegts.js; metode noi: hdsFelieI_, hdsCheie_, hdsSei_, hdsSeiFaraReluare_.
    Motivul: Chromium decodeaza imaginea intretesuta numai cu FFmpeg, pornit cu AV_EF_EXPLODE; pornit de la o imagine
    I non-IDR a unui GOP deschis, decodorul refuza pachetul (PIPELINE_ERROR_DECODE).
  - fluxul H.264 intretesut fara IDR: daca in hdsAsteaptaIdrMs (1,5 s) nu vine niciun IDR, punctul de reluare (I cu
    random_access_indicator) e rescris ca IDR (nal_unit_type 5, frame_num 0, idr_pic_id, marcajul IDR), iar de acolo
    demuxerul tine o copie a listei de referinte scurte a decodorului si rescrie antetele feliilor: frame_num
    renumerotat fata de IDR, operatiile MMCO catre cadre pe care decodorul nu le are scoase, o operatie MMCO in plus
    cand lista ar trece de max_num_ref_frames, modificarile de lista catre o imagine lipsa scoase; antetul refacut pe
    biti (CABAC: alinierea refacuta, datele copiate; CAVLC: datele mutate), octetii 0x03 de emulare refacuti. Un IDR
    adevarat (sau imaginea progresiva) opreste rescrierea; dupa hdsReancoraMs (10 s) fara cadru cheie, sau dupa un SPS
    care cere segment de initializare nou, urmatorul punct de reluare e rescris iar ca IDR. Daca antetul nu se poate
    citi (grupuri de felii, MMCO pe termen lung), cheie la I-ul cu random_access_indicator, ca in biblioteca.
    Metode noi: hdsParam_, hdsFelie_, hdsRefa_, hdsRescrie_, hdsAncora_, hdsTinte_,
    hdsListe_, hdsMarcaj_, hdsInceput_, hdsRbsp_, hdsEmulare_, hdsCititor_, hdsScriitor_, hdsGaseste_, hdsScoate_,
    proprietati noi: hdsAsteaptaIdrMs si hdsReancoraMs.
    Motivul: la canalele fara IDR ale caror puncte de reluare au MMCO catre cadre mai vechi decat cele pe care decodorul
    le inlocuieste singur (123.live, DF1 HD si altele, 26 de canale in proba din 13-14.10.2026), decodorul strict din
    Chromium refuza pachetul ("mmco: unref short failure", apoi "number of reference frames exceeds max").
  - HEVC: parseSPS (H265) da si field_seq_flag; la imaginea HEVC codata pe campuri, segmentul de initializare are
    cutia pasp 1:2 si inaltimea aratata dubla (campul 1920x540 aratat 16:9 pe toata inaltimea, nu in jumatatea de sus).
  - TSDemuxer.parseADTSAACPayload si parseLOASAACPayload: restul unui cadru AAC taiat intre doua pachete PES
    (aac_last_incomplete_data_) se sterge cand pachetul de acum se termina la granita unui cadru; in biblioteca
    ramanea si se lipea in fata fiecarui pachet care urma, iar cadrele de sunet iesite asa sunt stricate.
    Restul se lipeste numai daca PTS-ul pachetului nou se leaga de el (cu un cadru sau doua dupa ultimul cadru
    intreg); altfel (semnal pierdut, salt de timp) se arunca; timpul cadrelor se reia de la PTS-ul pachetului, nu
    se aduna la nesfarsit din durata cadrelor.
    Motivul: la canalele care taie cadrele AAC intre pachete (HotBird 4K1) browserul refuza un cadru de sunet
    (PIPELINE_ERROR_DECODE "Failed to send audio packet") si se opreste toata redarea.
  - fluxul H.264 intretesut fara IDR, dupa ancora: o imagine care cere mai multe imagini de referinta decat are
    decodorul (num_ref_idx_active mai mare decat lista lui; la canalele SD 576i campurile B de dupa ancora cer 4)
    se inlocuieste cu o imagine P in care toate macroblocurile sunt sarite (copia primei referinte), cu acelasi
    frame_num, acelasi camp, acelasi POC si acelasi marcaj de referinte, codata CAVLC cu un PPS al nostru (id nefolosit
    de flux, trimis in fata ei). Metode noi: hdsInlocuieste_, hdsSint_.
    Motivul: decodorul strict din Chromium refuza imaginea ("Missing reference picture") si se opreste redarea.
  - la imaginea H.264 intretesuta, I-ul cu SEI recovery point sau cu SPS in acelasi pachet e punct de reluare si
    cand pachetul n-are random_access_indicator (metoda noua hdsSeiRp_). Motivul: canale MBAFF fara IDR si fara
    random_access_indicator (Cubavision, Canale Italia) nu porneau niciodata.
  - pachetul PES video fara PTS / DTS (al doilea camp la unele canale) primeste timpul celui de dinainte plus pasul
    dintre pachetele cu timp (la inceput, din SPS); fara niciun timp inainte se arunca (metoda noua hdsTimp_).
    Motivul: mostrele primeau timp nedefinit si durata 0, iar browserul nu arata niciun cadru.
  - HEVC pe campuri: cutia pasp e SAR-ul din VUI inmultit cu 1:2 (SAR 4:3 -> 2:3), nu 1:2 fix.
  - HEVC fara nicio imagine IRAP: daca in hdsAsteaptaIdrMs vin cel putin 2 imagini I cu random_access_indicator sau
    SEI recovery point, fiecare astfel de imagine se rescrie CRA (nal_unit_type 21, bitul
    no_output_of_prior_pics_flag pus, antetul refacut pe biti), iar imaginile de dupa ea cu POC mai mic se rescriu
    RASL; pana la prima CRA mostrele se arunca. Metode noi: hdsP5_, hdsLista5_, hdsRps5_, hdsF5_, hdsCra5_,
    hdsRescrie5_. Fluxurile HEVC cu IRAP raman ca in biblioteca.
  - HEVC: in VPS si SPS, cand profile_tier_level spune numai "interlaced" (general_progressive_source_flag 0,
    general_interlaced_source_flag 1), se pune si general_progressive_source_flag (metoda noua hdsProgresiv5_);
    steagul e numai informativ. Motivul: parserul H265 din Chromium refuza altfel tot fluxul ("Interlaced streams
    not supported") si nu se vede nicio imagine.
  - la imaginea H.264 progresiva fara IDR si fara random_access_indicator: cat fluxul n-a avut niciun IDR si niciun
    random_access_indicator, dupa hdsAsteaptaIdrMs (1,5 s) si cel putin 2 puncte, I-ul cu SPS sau cu SEI recovery
    point in acelasi pachet e cadru cheie, iar in fata feliei lui se pune un SEI recovery point (recovery_frame_cnt
    0) daca nu are deja unul (metoda noua hdsRpPus_). Un IDR sau un random_access_indicator opresc totul; fluxurile
    care le au raman ca in biblioteca. Motivul: la canalele progresive fara niciun punct de pornire marcat (Italy
    Service 3 si 5, 720p50) nu era niciun cadru cheie, iar decodorul H.264 al placii video din Chromium nu porneste
    de la o felie non-IDR fara SEI recovery point: nu se vedea nicio imagine.
  - sunetul AC-3 in browserele care nu il redau (Chrome, Edge, Firefox): cand config-ul playerului are hdsSunetAc3
    (convertorul din hds-sunet.js, cod propriu), TSDemuxer.parseAC3Payload da PES-ul AC-3 convertorului (metoda
    noua hdsAc3Flac_), care il decodeaza in pagina (decodorul ac3 din FFmpeg, compilat in WebAssembly, tv-wasm/) si
    da inapoi cadre FLAC cu PTS-ul lor; ele intra in pista audio cu codec "flac" (audio/mp4; codecs="flac"), iar
    TSDemuxer.dispatchAudioInitSegment face segmentul de initializare FLAC (STREAMINFO-ul dat de convertor in
    cutia dfLa; cutiile fLaC si dfLa existau deja in biblioteca, pentru FLV). Fara hdsSunetAc3, AC-3 ramane ca in
    biblioteca. getSilentFrame (AudioSpecificConfig) da si un cadru FLAC de liniste (stereo, 1536 de esantioane), cu
    care MP4Remuxer umple golurile mari de timp in loc sa repete ultimul cadru de sunet.
    Motivul: canalele cu sunet numai AC-3 erau fara sunet in browserele fara decodor AC-3.
Licenta: Apache License 2.0 (textul complet mai jos). Notitele de copyright din sursele bibliotecii:
  Copyright (C) 2016 Bilibili. All Rights Reserved.
  Copyright (C) 2021 magicxqq. All Rights Reserved.
  Copyright (C) 2022 magicxqq. All Rights Reserved.
  Copyright (C) 2022 もにょてっく. All Rights Reserved.
  Copyright (C) 2023 zheng qian. All Rights Reserved.
  Copyright (C) 2023 もにょてっく. All Rights Reserved.


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