FMUSER Wirless Transmèt videyo ak odyo pi fasil!
es.fmuser.org
it.fmuser.org
fr.fmuser.org
de.fmuser.org
af.fmuser.org -> Afriken
sq.fmuser.org -> Albanyen
ar.fmuser.org -> Arab
hy.fmuser.org -> Armenian
az.fmuser.org -> Azerbaydjan
eu.fmuser.org -> Basque
be.fmuser.org -> Belarisyen
bg.fmuser.org -> Bulgarian
ca.fmuser.org -> Katalan
zh-CN.fmuser.org -> Chinwa (senplifye)
zh-TW.fmuser.org -> Chinwa (Tradisyonèl)
hr.fmuser.org -> Kwoasyen
cs.fmuser.org -> Czech
da.fmuser.org -> Danwa
nl.fmuser.org -> Olandè
et.fmuser.org -> Estonyen
tl.fmuser.org -> Filipino
fi.fmuser.org -> Finnish
fr.fmuser.org -> Franse
gl.fmuser.org -> Galisyen
ka.fmuser.org -> Georgian
de.fmuser.org -> Alman
el.fmuser.org -> Greek
ht.fmuser.org -> Kreyòl ayisyen
iw.fmuser.org -> ebre
hi.fmuser.org -> Hindi
hu.fmuser.org -> Hungarian
is.fmuser.org -> Icelandic
id.fmuser.org -> Endonezyen
ga.fmuser.org -> Ilandè
it.fmuser.org -> Italyen
ja.fmuser.org -> Japonè
ko.fmuser.org -> Koreyen
lv.fmuser.org -> Latvian
lt.fmuser.org -> Lithuanian
mk.fmuser.org -> Masedwan
ms.fmuser.org -> Malay
mt.fmuser.org -> Maltese
no.fmuser.org -> Norwegian
fa.fmuser.org -> Pèsik
pl.fmuser.org -> Polonè
pt.fmuser.org -> Pòtigè
ro.fmuser.org -> Romanian
ru.fmuser.org -> Ris
sr.fmuser.org -> Sèb
sk.fmuser.org -> Slovak
sl.fmuser.org -> Slovenian
es.fmuser.org -> Panyòl
sw.fmuser.org -> Swahili
sv.fmuser.org -> Syèd
th.fmuser.org -> Thai
tr.fmuser.org -> Tik
uk.fmuser.org -> Ikrenyen
ur.fmuser.org -> Oudou
vi.fmuser.org -> Vietnamese
cy.fmuser.org -> Welsh
yi.fmuser.org -> Yiddish
1. Transmisyon videyo
Lè w ap resevwa videyo ki soti nan rezo a, pwotokòl la (RTSP / RTMP / HTTP) dwe rezoud an premye, Lè sa a, fòma a (MKV, RMVB), ak Lè sa a, videyo a (H264) ak odyo (AAC) fòma done yo dwe Decoder nan imaj ( Rgb / YUV) ak son (PCM), ak Lè sa a, jwe senkroniz selon timestamp la.
RTSP + RTP se sitou itilize pou IPTV, rezon ki fè yo se ke UDP yo itilize transmèt done, ak efikasite nan transmisyon se relativman wo lè anviwònman an rezo se relativman ki estab;
RTMP se sitou itilize pou odyo entènèt ak transmisyon videyo. Li itilize TCP transmisyon. Paske anviwònman entènèt la se relativman pòv, itilize nan RTMP asire bon jan kalite a nan transmisyon videyo, men reta transmisyon li yo se relativman wo ak efikasite nan transmisyon se relativman ba.
Sistèm nan medya difizyon lè l sèvi avèk teknoloji RTMP gen yon karakteristik trè evidan: li itilize Flash Player kòm kliyan an jwè, ak Flash Player se kounye a enstale sou prèske 99% nan PC yo nan mond lan, se konsa an jeneral, gade RTMP sistèm nan difizyon Videyo ak odyo pa bezwen enstale plòg-ins. Itilizatè yo sèlman bezwen louvri paj wèb la yo gade difizyon medya dirèkteman, ki se trè pratik. Sèvis emisyon Live jeneralman itilize RTMP kòm difizyon medya pwotokòl la, FLV kòm fòma a encapsulation, H.264 kòm fòma a kodaj videyo, ak AAC kòm fòma a kodaj odyo. FLV se fòma anbalaj ki itilize pa RTMP, H.264 se estanda kodaj videyo ak efikasite kodaj ki pi wo nan aplikasyon pratik jodi a, ak AAC se estanda kodaj odyo ak efikasite kodaj ki pi wo nan aplikasyon pratik jodi a.
librtmp se realizasyon an nan pwotokòl RTMP, ou ka itilize librtmp reyalize analiz pwotokòl ak done voye ak resevwa. Sèvè emisyon an ap kapab aplike ki baze sou nginx + rtmp; kliyan an emisyon ap viv itilize librtmp pouse kouran an, ak FFmpeg ki responsab pou kodaj; kliyan an ap gade itilize VLC, paske VLC tèt li ka analize tou de kouran an RTMP ak done yo videyo kode.
2. Konpresyon videyo
Konpresyon videyo divize an konpresyon lossy ak konpresyon lossless.
Konpresyon Lossless se sèvi ak kèk algoritm konpresyon konpresyon videyo a, men apre konpresyon an fini, done orijinal yo ka retabli vrèman;
Konpresyon pèdi se itilize nan kèk karakteristik nan je imen an, jete kèk done espesifik, men efè videyo a apre konpresyon se toujou nan seri a nan done espesifik akseptab nan je imen an.
Prensip prensipal yo nan kodaj konpresyon videyo yo se:
Intra kodaj (transfòme kodaj ak kodaj entropi): Gen korelasyon ant piksèl. Transfòmasyon imaj nan domèn frekans ka reyalize dekorelasyon ak konsantrasyon enèji.
Entè-ankadreman kodaj (estimasyon mouvman ak konpansasyon mouvman): Divize imaj la an ti blòk pou prediksyon.
|
Antre nan imèl yo ka resevwa yon sipriz
es.fmuser.org
it.fmuser.org
fr.fmuser.org
de.fmuser.org
af.fmuser.org -> Afriken
sq.fmuser.org -> Albanyen
ar.fmuser.org -> Arab
hy.fmuser.org -> Armenian
az.fmuser.org -> Azerbaydjan
eu.fmuser.org -> Basque
be.fmuser.org -> Belarisyen
bg.fmuser.org -> Bulgarian
ca.fmuser.org -> Katalan
zh-CN.fmuser.org -> Chinwa (senplifye)
zh-TW.fmuser.org -> Chinwa (Tradisyonèl)
hr.fmuser.org -> Kwoasyen
cs.fmuser.org -> Czech
da.fmuser.org -> Danwa
nl.fmuser.org -> Olandè
et.fmuser.org -> Estonyen
tl.fmuser.org -> Filipino
fi.fmuser.org -> Finnish
fr.fmuser.org -> Franse
gl.fmuser.org -> Galisyen
ka.fmuser.org -> Georgian
de.fmuser.org -> Alman
el.fmuser.org -> Greek
ht.fmuser.org -> Kreyòl ayisyen
iw.fmuser.org -> ebre
hi.fmuser.org -> Hindi
hu.fmuser.org -> Hungarian
is.fmuser.org -> Icelandic
id.fmuser.org -> Endonezyen
ga.fmuser.org -> Ilandè
it.fmuser.org -> Italyen
ja.fmuser.org -> Japonè
ko.fmuser.org -> Koreyen
lv.fmuser.org -> Latvian
lt.fmuser.org -> Lithuanian
mk.fmuser.org -> Masedwan
ms.fmuser.org -> Malay
mt.fmuser.org -> Maltese
no.fmuser.org -> Norwegian
fa.fmuser.org -> Pèsik
pl.fmuser.org -> Polonè
pt.fmuser.org -> Pòtigè
ro.fmuser.org -> Romanian
ru.fmuser.org -> Ris
sr.fmuser.org -> Sèb
sk.fmuser.org -> Slovak
sl.fmuser.org -> Slovenian
es.fmuser.org -> Panyòl
sw.fmuser.org -> Swahili
sv.fmuser.org -> Syèd
th.fmuser.org -> Thai
tr.fmuser.org -> Tik
uk.fmuser.org -> Ikrenyen
ur.fmuser.org -> Oudou
vi.fmuser.org -> Vietnamese
cy.fmuser.org -> Welsh
yi.fmuser.org -> Yiddish
FMUSER Wirless Transmèt videyo ak odyo pi fasil!
Kontak
adrès:
No.305 Sal HuiLan Building No.273 Huanpu Road Guangzhou Lachin 510620
Kategori
Bilten nouvèl nou