udpxy - udp->http IPTV ïðîêñè

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14-02-2008, 08:31
Oleg

Äëÿ ÷àéíèêîâ. :D Äà, ðå÷ü ïðî íèõ. Âûèãðûø òîëüêî â òîì, ÷òî memcpy/memmove íå âûçûâàåòñÿ. Èáî êàæäîå êîïèðîâàíèå çëî.
Êàê äåëàòü íåïðàâèëüíî (íà ïðèìåðå ïïòï): ýòè ðåäèñêè ñíà÷àëà ïîëó÷àþò â áóôåð ppp ïàêåò îò pppd, çàòåì â äðóãîé ôóíêöèè äåëàþò áóôåð áîëüøåãî ðàçìåðà, â íà÷àëå êîòîðîãî äåëàþò çàãîëîâîê, à ïîñëå çàãîëîâêà êîïèðóþò èç ïåðâîãî áóôåðà ïàêåò. Ïîòîì âòîðîé áóôåð îòñûëàþò öåëèêîì. Ýòîò ïàññàæ çàìåíÿåòñÿ íà writev: îòäåëüíî õåäåð, îòäåëüíî äàííûå, ïðè ýòîì ñîõðàíÿåòñÿ ñåìàíòèêà: êàê áûëî îäíî "ñîîáùåíèå", òàê è îñòàëîñü (ò.å. äâàæäû âûçûâàòü write íèçÿ). Òàì ïðàâäà åñòü è áîëåå ïðîñòîå ðåøåíèå: ïàêåò îò pppd ìîæíî áûëî ñðàçó ïîëó÷àòü âî âòîðîé áóôåð, íî ó íèõ òàì íåáîëüøîå "çàòðóäíåíèå" â âèäå õåäåðà ïåðåìåííîé äëèíû, íî ýòî òîæå ðåøàåòñÿ ëåãêî è êðàñèâî. :) ß ïðàâäà ïîø¸ë ïî ïðîñòîìó ïóòè - ñäåëàë writev, ÷òîáû íå ïåðåïàõèâàòü êîä...
14-02-2008, 12:41
Oleg

Ïàâåë, åù¸ íåñêîëüêî ìîèõ ñîîáðàæåíèé. :) Íèêàêèõ âåêòîðíûõ çàïèñåé íå íóæíî, íà ñàìîì äåëå. :)

ß ïî÷èòàë íåìíîãî ãóãëü è ïîíÿë, ÷òî â ëþáîì ïîëó÷åííîì ïî udp ïàêåòå ìîæåò áûòü òîëüêî îäèí RTP çàãîëîâîê (ýòî âåäü ñîîáùåíèå) è íàõîäèòñÿ îí âñåãäà âïåðåäè. Ò.å. ß áû ðåøàë çàäà÷ó òàê: çàðåçåðâèðîâàë áû ñêîëüêî-òî áóôåðîâ, äëèíîé ðàâíîé MTU èíòåðôåéñà äëÿ ïðè¸ìà ïàêåòîâ. Ñäåëàë áû òàì ðàóíä-ðîáèí ñðåäè ýòèõ áóôåðîâ. Äàëåå äåëàåòñÿ ïðîñòî öèêë:

Âûçûâàåòñÿ poll äëÿ ïðèíèìàþùåãî è ïåðåäàþùåãî ñîêåòà. Åñëè åñòü âîçìîæíîñòü ïîñëàòü - ïîñûëàåì, åñëè ïðèíÿòü - ïðèíèìàåì. Ïðè îòñûëêå ïðîñòî ïåðåäà¸ì íå âåñü áóôåð, à âû÷èòàåì äëèíó RTP çàãîëîâêà. Ò.å. âñ¸ âðîäå ïðîñòî.

Ïîñìîòðåë ïàêåòû äëèíîé 1348 áàéò. Òàì ñòîèò áèò Õ (0x9021) - ò.å. çà RTP çàãîëîâêîì èä¸ò ÷òî-òî äîïîëíèòåëüíîå, äëèíó êîòîðîãî ïîíÿòíî êàê îïðåäåëèòü. Â îáùåì, íà ïðîèçâîäèòåëüíîñòè udpxy ýòà øòóêà íèêàê íå ñêàæåòñÿ.

Code:

15:24:47.547303 IP 172.16.16.70.1084 > 233.32.240.1.5050: UDP, length: 1364 0x0000: 4588 0570 3b91 0000 1711 cceb ac10 1046 E..p;..........F 0x0010: e920 f001 043c 13ba 055c 5f59 9021 ba98 .....<...\_Y.!.. 0x0020: a80c c980 796b 87d4 100b 0008 0206 139c ....yk.......... 0x0030: 59b3 8e0f 0306 0000 a80c 4677 010e 5301 Y.........Fw..S. 0x0040: a80c 469c cb5e b18e ebbd d547 4740 0019 ..F..^.....GG@.. 0x0050: 0000 b00d 001f cb00 0000 10e0 20f7 574b ..............WK 0x0060: 8cff ffff ffff ffff ffff ffff ffff ffff ................ 0x0070: ffff ffff ffff ffff ffff ffff ffff ffff ................ 0x0080: ffff ffff ffff ffff ffff ffff ffff ffff ................ 0x0090: ffff ffff ffff ffff ffff ffff ffff ffff ................ 0x00a0: ffff ffff ffff ffff ffff ffff ffff ffff ................ 0x00b0: ffff ffff ffff ffff ffff ffff ffff ffff ................ 0x00c0: ffff ffff ffff ffff ffff ffff ffff ffff ................ 0x00d0: ffff ffff ffff ffff ffff ffff ffff ffff ................ 0x00e0: ffff ffff ffff ffff ffff ffff ffff ffff ................ 0x00f0: ffff ffff ffff ffff ffff ffff ffff ffff ................ 0x0100: ffff ffff ffff ffff 4740 2019 0002 b023 ........G@.....# 0x0110: 0010 cb00 00e2 59f0 0002 e259 f006 0904 ......Y....Y.... 0x0120: 4ae2 ffe0 03e2 5af0 0609 044a e2ff e0af J.....Z....J.... 0x0130: f622 40ff ffff ffff ffff ffff ffff ffff ."@............. 0x0140: ffff ffff ffff ffff ffff ffff ffff ffff ................ 0x0150: ffff ffff ffff ffff ffff ffff ffff ffff ................ 0x0160: ffff ffff ffff ffff ffff ffff ffff ffff ................ 0x0170: ffff ffff ffff ffff ffff ffff ffff ffff ................ 0x0180: ffff ffff ffff ffff ffff ffff ffff ffff ................ 0x0190: ffff ffff ffff ffff ffff ffff ffff ffff ................ 0x01a0: ffff ffff ffff ffff ffff ffff ffff ffff ................ 0x01b0: ffff ffff ffff ffff ffff ffff ffff ffff ................ 0x01c0: ffff ffff 475f e01a 0000 01f0 016a 13a8 ....G_.......j.. 0x01d0: 0ce5 a000 0202 592f 0176 5eff 954b 7555 ......Y/.v^..KuU 0x01e0: 3300 00fa 007b 4fa2 1cc1 20c6 409f 9ef9 3....{O.....@... 0x01f0: 8b79 0530 ba00 03ed 0592 68a6 f52b 42f4 .y.0......h..+B. 0x0200: 9653 4c81 fd49 6d76 5eff 954b 7569 780c .SL..Imv^..Kuix. 0x0210: 8000 0000 00ff f1f0 0000 1c20 0000 0e10 ................ 0x0220: 0000 3840 0000 2a30 0000 5460 0000 4650 ..8@..*0..T`..FP 0x0230: 0000 7080 0000 6270 0000 8ca0 0000 7e90 ..p...bp......~. 0x0240: 0000 025a 2f01 765e ff95 4b74 5b33 0000 ...Z/.v^..Kt[3.. 0x0250: fa00 7b4f a21c c120 c640 9f9e f98b 7905 ..{O.....@....y. 0x0260: 30ba 0003 aeee 0d20 0b7c 46d6 8676 625e 0........|F..vb^ 0x0270: 8a7c aaf3 765e ff95 4b74 61f5 0400 ffa1 .|..v^..Kta..... 0x0280: 471f e01b 1e00 ffcb 4e00 fff5 7e00 001f G.......N...~... 0x0290: ae00 00ff ffff ffff ffff ffff ffff ffff ................ 0x02a0: ffff ffff ffff ffff ffff ffff ffff ffff ................ 0x02b0: ffff ffff ffff ffff ffff ffff ffff ffff ................ 0x02c0: ffff ffff ffff ffff ffff ffff ffff ffff ................ 0x02d0: ffff ffff ffff ffff ffff ffff ffff ffff ................ 0x02e0: ffff ffff ffff ffff ffff ffff ffff ffff ................ 0x02f0: ffff ffff ffff ffff ffff ffff ffff ffff ................ 0x0300: ffff ffff ffff ffff ffff ffff ffff ffff ................ 0x0310: ffff ffff ffff ffff ffff ffff ffff ffff ................ 0x0320: ffff ffff ffff ffff ffff ffff ffff ffff ................ 0x0330: ffff ffff ffff ffff ffff ffff 4742 5915 ............GBY. 0x0340: 0000 01e0 0000 84c0 0a3d a033 cb41 1da0 .........=.3.A.. 0x0350: 3393 0100 0001 b32d 0240 2312 1123 8210 3......-.@#..#.. 0x0360: 2020 2620 262c 2c2c 2c2c 2c34 3034 3636 ..&.&,,,,,,40466 0x0370: 3634 3434 3436 3636 3a3a 3a44 4444 3a3a 64444666:::DDD:: 0x0380: 3a36 363a 3a40 4044 444a 4c4a 4646 4446 :66::@@DDJLJFFDF 0x0390: 4c4c 5050 5060 605c 5c70 7074 8a8a a710 LLPPP``\\ppt.... 0x03a0: 1111 1212 1213 1313 1314 1414 1414 1515 ................ 0x03b0: 1515 1515 1616 1616 1616 1617 1717 1717 ................ 0x03c0: 1717 1718 1818 1918 1818 191a 1a1a 1a19 ................ 0x03d0: 1b1b 1b1b 1b1c 1c1c 1c1e 1e1e 1f1f 2100 ..............!. 0x03e0: 0001 b514 8200 0100 0000 0001 b52b 0202 .............+.. 0x03f0: 020b 4212 0000 0001 4702 5936 8a00 ffff ..B.....G.Y6.... 0x0400: ffff ffff ffff ffff ffff ffff ffff ffff ................ 0x0410: ffff ffff ffff ffff ffff ffff ffff ffff ................ 0x0420: ffff ffff ffff ffff ffff ffff ffff ffff ................ 0x0430: ffff ffff ffff ffff ffff ffff ffff ffff ................ 0x0440: ffff ffff ffff ffff ffff ffff ffff ffff ................ 0x0450: ffff ffff ffff ffff ffff ffff ffff ffff ................ 0x0460: ffff ffff ffff ffff ffff ffff ffff ffff ................ 0x0470: ffff ffff ffff ffff ffff ffff ffff ffff ................ 0x0480: ffff ffff ffff ffb8 8e2e a380 0000 0100 ................ 0x0490: 004f fff8 0000 01b5 8fff f798 0000 0000 .O.............. 0x04a0: 0101 337e 2912 faee 36c2 ac6f 4548 fd80 ..3~)...6..oEH.. 0x04b0: 4a85 9edc 4702 5937 0710 d406 234e 7ea6 J...G.Y7....#N~. 0x04c0: 1229 429e debe d35a ab5d a8d4 5c24 7003 .)B....Z.]..\$p. 0x04d0: b76c 042f f9e6 a8ed b842 add3 7f7f 5877 .l./.....B....Xw 0x04e0: 6268 247f ebc9 2d9d dbcf bdce edda 644b bh$...-.......dK 0x04f0: 1295 435b 39d1 b9a3 a5c8 dd7b cecd 6ddc ..C[9......{..m. 0x0500: d23f d602 27fc 8904 9ffc 7925 b45f a914 .?..'.....y%._.. 0x0510: 117f e048 24ff e3c9 2de7 6e65 3f23 6b78 ...H$...-.ne?#kx 0x0520: 8eb6 131a af0c 4e6d 6a3f 6800 e7e6 0227 ......Nmj?h....' 0x0530: fd72 17ba 496a e7fc 4c3f 9e68 247f ed84 .r..Ij..L?.h$... 0x0540: b6af 4463 6fd1 4835 b4f2 6af3 ad45 e6e0 ..Dco.H5..j..E.. 0x0550: 033e e9e2 c5c0 97eb 5500 1ef6 f3be 7904 .>......U.....y. 0x0560: 9ffc d24b 7a47 bb5c 7ca5 8601 4da4 e38a ...KzG.\|...M...
14-02-2008, 14:57
Xander

Îãðîìíîå ñïàñèáî ðàçðàáîò÷èêàì çà ïðîãðàììó!
À íåò ëè ó âàñ æåëàíèÿ çàðåãèñòðèðîâàòüñÿ íà sourceforge.net / code.google.com / alioth.debian.org è ò.ä.? Áðàòü èñõîäíèêè èç ïóáëè÷íîãî svn ðåïîçèòîðèÿ ãîðàçäî óäîáíåå, ÷åì èç àòòà÷ìåíòîâ íà ôîðóìå. Ê òîìó æå íàâåðíÿêà ïðîãðàììà áóäåò èíòåðåñíà íå òîëüêî âëàäåëüöàì ðîóòåðîâ.
14-02-2008, 19:06
bsl45

writev è èíûå ïîäõîäû

Quote:

Originally Posted by Oleg

Ïàâåë, åù¸ íåñêîëüêî ìîèõ ñîîáðàæåíèé. :) Íèêàêèõ âåêòîðíûõ çàïèñåé íå íóæíî, íà ñàìîì äåëå. :)

ß ïî÷èòàë íåìíîãî ãóãëü è ïîíÿë, ÷òî â ëþáîì ïîëó÷åííîì ïî udp ïàêåòå ìîæåò áûòü òîëüêî îäèí RTP çàãîëîâîê (ýòî âåäü ñîîáùåíèå) è íàõîäèòñÿ îí âñåãäà âïåðåäè. Ò.å. ß áû ðåøàë çàäà÷ó òàê: çàðåçåðâèðîâàë áû ñêîëüêî-òî áóôåðîâ, äëèíîé ðàâíîé MTU èíòåðôåéñà äëÿ ïðè¸ìà ïàêåòîâ. Ñäåëàë áû òàì ðàóíä-ðîáèí ñðåäè ýòèõ áóôåðîâ. Äàëåå äåëàåòñÿ ïðîñòî öèêë:

Âûçûâàåòñÿ poll äëÿ ïðèíèìàþùåãî è ïåðåäàþùåãî ñîêåòà. Åñëè åñòü âîçìîæíîñòü ïîñëàòü - ïîñûëàåì, åñëè ïðèíÿòü - ïðèíèìàåì. Ïðè îòñûëêå ïðîñòî ïåðåäà¸ì íå âåñü áóôåð, à âû÷èòàåì äëèíó RTP çàãîëîâêà. Ò.å. âñ¸ âðîäå ïðîñòî.

Õîðîøèå ñîîáðàæåíèÿ, ñïàñèáî - íî ïîêà ÷òî ÿ ïèøó ñ writev, ïîñêîëüêó åãî èñïîëüçîâàíèå íàèáîëåå ãëàäêî âïèñûâàåòñÿ â àðõèòåêòóðó, ó÷èòûâàÿ âîçìîæíîñòü íàêîïëåíèÿ ïàêåòîâ ïðè ÷òåíèè è ò.ï. writev óäîáåí â äàííîé ñèòóàöèè òåì, ÷òî ïàêåòû ÿ ìîãó ñðàçó ðåãèñòðèðîâàòü â ìàññèâå iovec - çàòåì, ìîäèôèöèðóÿ struct iovec äëÿ îòäåëüíûõ ïàêåòîâ, ÿ óäàëÿþ äàííûå çàãîëîâêà è ïðî÷. ñëóæåáíóþ èíôîðìàöèþ - ïðèëîæåíèÿ. (Íî ìîæíî áûëî áû, êîíå÷íî, èñïîëüçîâàòü send/write â öèêëå).
14-02-2008, 19:20
bsl45

udpxy íà sourceforge.net

Quote:

Originally Posted by Xander

Îãðîìíîå ñïàñèáî ðàçðàáîò÷èêàì çà ïðîãðàììó!
À íåò ëè ó âàñ æåëàíèÿ çàðåãèñòðèðîâàòüñÿ íà sourceforge.net / code.google.com / alioth.debian.org è ò.ä.? Áðàòü èñõîäíèêè èç ïóáëè÷íîãî svn ðåïîçèòîðèÿ ãîðàçäî óäîáíåå, ÷åì èç àòòà÷ìåíòîâ íà ôîðóìå. Ê òîìó æå íàâåðíÿêà ïðîãðàììà áóäåò èíòåðåñíà íå òîëüêî âëàäåëüöàì ðîóòåðîâ.

Âñåãäà ïîæàëóéñòà.

Ïðîåêò udpxy óæå çàðåãèñòðèðîâàí íà sourceforge.net íî êîä ïîêà ÷òî íå âûëîæåí íà ñòðàíèöó ïðîåêòà - ÿ òóò íåñêîëüêî çàâîçèëñÿ ñ ïðîáëåìîé Êîðáèíû-240 è íå äîâ¸ë ïîêà êîíôèãóðàöèþ íà sourceforge äî óìà. Íî êîä áóäåò îòòóäà äîñòóïåí â áëèæàéøåì áóäóùåì (ÿ îáúÿâëþ íà ôîðóìå).

Ïðèíîøó èçâèíåíèÿ çà íåóäîáñòâà.
16-02-2008, 01:16
bsl45

1 Attachment(s)

udpxy (TEST) build 28 - äîáàâëåíà ïîääåðæêà RTP

Â ýòîé ñáîðêå ïîääåðæèâàåòñÿ ïðîòîêîë RTP (over UDP), èñïîëüçóåìûé Êîðáèíîé íà "êàíàëàõ-240". Ýòà ñáîðêà òåñòèðîâî÷íàÿ, ò.å. óñòîé÷èâîñòü å¸ ïîä âîïðîñîì. Êðîìå ïîääåðæêè RTP â ñáîðêó íå äîáàâëåíî ïðàêòè÷åñêè íè÷åãî (èç ïîæåëàíèé), ýòà ñáîðêà òîëüêî äëÿ ïðîâåðêè ðàçðåøåíèÿ ïðîáëåìû ñ Êðîáèíîé-240.

RTP ðàñïîçíà¸òñÿ â ïàêåòàõ àâòîìàòè÷åñêè (ïî ïåðâîìó ïàêåòó, äàëüøå ïðîâåðîê óæå íåò), íî ìîæíî óêàçàòü RTP è ñðàçó, â URL, âìåñòî UDP - â ýòîì ñëó÷àå ïðîâåðêè ïàêåòîâ íà RTP/UDP âîâñå íåò - è ïðè îøèáêå ôîðìàòà êëèåíò çàêîí÷èò ðàáîòó.

×òåíèå ôàéëîâ ïîêà íå óëó÷øàëîñü, "ïðîèãðûâàòü" RTP ïîòîê èç ôàéëà íå ðåêîìåíäóþ - îáðàáîòêè ïàêåòîâ RTP èç ôàéëà íåò.

Ïîïðîáóéòå íà Êîðáèíå-240 "âæèâóþ", ñîîáùèòå î âïå÷àòëåíèÿõ. Ñïàñèáî âñåì, êòî ó÷àñòâóåò â òåñòèðîâàíèè.
16-02-2008, 13:38
Oleg

Ïàâåë èòîã òàêîé: íà ýêðàíå ïóñòî. :(

ß çàõâàòèë ïîòîê ñ ïîìîùüþ wget. Èòîã òàêîé - media player classic åãî èãðàåò, à âîò IP TV Player (vlc) òîò æå ôàéë - íåò. :(

Âîò ÷òî ïèøåò vlc (ìåíÿ ñìóùàåò skipping 12 bytes of garbage):

main debug: creating new input thread
main debug: waiting for thread completion
main debug: thread 4476 (input) created at priority 1 (input/input.c:261)
main debug: `\\wl700ge\share\out.mpg' gives access `' demux `' path `\\wl700ge\share\out.mpg'
main debug: creating demux: access='' demux='' path='\\wl700ge\share\out.mpg'
main debug: looking for access_demux module: 1 candidate
main debug: creating access '' path='\\wl700ge\share\out.mpg'
main debug: looking for access2 module: 5 candidates
vcd debug: trying .cue file: \\wl700ge\share\out.cue
access_file debug: opening file `\\wl700ge\share\out.mpg'
main debug: using access2 module "access_file"
main debug: pre-buffering...
main debug: received first data for our buffer
main debug: pre-buffering done 327670 bytes in 0s - 1702 kbytes/s
main debug: creating demux: access='' demux='' path='\\wl700ge\share\out.mpg'
main debug: looking for demux2 module: 44 candidates
main debug: using demux2 module "ts"
main debug: looking for a subtitle file in \\wl700ge\share\
ts debug: DEMUX_SET_GROUP 0 00000000
main debug: `\\wl700ge\share\out.mpg' successfully opened
ts debug: pid[601] unknown
ts debug: pid[602] unknown
ts warning: lost synchro
ts debug: skipping 3 bytes of garbage
ts warning: lost synchro
ts debug: skipping 12 bytes of garbage
ts debug: pid[32] unknown
ts debug: pid[8160] unknown
ts warning: lost synchro
ts debug: skipping 12 bytes of garbage
ts warning: lost synchro
ts debug: skipping 3 bytes of garbage
ts warning: lost synchro
ts debug: skipping 12 bytes of garbage
ts warning: lost synchro
ts debug: skipping 12 bytes of garbage
ts warning: lost synchro
ts debug: skipping 3 bytes of garbage
ts warning: lost synchro
ts debug: skipping 12 bytes of garbage
ts warning: lost synchro
ts debug: skipping 12 bytes of garbage
ts warning: lost synchro
ts debug: skipping 3 bytes of garbage
ts warning: lost synchro
ts debug: skipping 12 bytes of garbage
ts warning: lost synchro
ts debug: skipping 12 bytes of garbage
ts warning: lost synchro
ts debug: skipping 3 bytes of garbage
ts warning: lost synchro
ts debug: skipping 12 bytes of garbage
ts warning: lost synchro
ts debug: skipping 12 bytes of garbage
ts warning: lost synchro
ts debug: skipping 12 bytes of garbage
ts warning: lost synchro
ts debug: skipping 12 bytes of garbage
ts warning: lost synchro
ts debug: skipping 3 bytes of garbage
ts warning: lost synchro
ts debug: skipping 3 bytes of garbage
ts warning: lost synchro
ts debug: skipping 24 bytes of garbage
ts warning: lost synchro
ts debug: skipping 3 bytes of garbage
ts warning: lost synchro
ts debug: skipping 12 bytes of garbage
ts warning: lost synchro
ts debug: skipping 12 bytes of garbage
ts warning: lost synchro
ts debug: skipping 3 bytes of garbage
ts warning: lost synchro
ts debug: skipping 24 bytes of garbage
ts warning: lost synchro
ts debug: skipping 3 bytes of garbage
ts warning: lost synchro
ts debug: skipping 12 bytes of garbage
ts warning: lost synchro
ts debug: skipping 12 bytes of garbage
ts warning: lost synchro
ts debug: skipping 3 bytes of garbage
ts warning: lost synchro
ts debug: skipping 12 bytes of garbage
ts warning: lost synchro
ts debug: skipping 12 bytes of garbage
ts warning: lost synchro
ts debug: skipping 3 bytes of garbage
ts warning: lost synchro
ts debug: skipping 12 bytes of garbage
ts warning: lost synchro
ts debug: skipping 12 bytes of garbage
ts warning: lost synchro
ts debug: skipping 3 bytes of garbage
ts warning: lost synchro
ts debug: skipping 12 bytes of garbage
ts warning: lost synchro
ts debug: skipping 12 bytes of garbage
ts warning: lost synchro
ts debug: skipping 3 bytes of garbage
ts warning: lost synchro
ts debug: skipping 12 bytes of garbage
ts warning: lost synchro
ts debug: skipping 12 bytes of garbage
ts warning: lost synchro
ts debug: skipping 3 bytes of garbage
ts warning: lost synchro
ts debug: skipping 12 bytes of garbage
ts warning: lost synchro
ts debug: skipping 12 bytes of garbage
ts warning: lost synchro
ts debug: skipping 3 bytes of garbage
ts warning: lost synchro
ts debug: skipping 12 bytes of garbage
ts warning: lost synchro
ts debug: skipping 12 bytes of garbage
ts warning: lost synchro
ts debug: skipping 3 bytes of garbage
ts warning: lost synchro
ts debug: skipping 12 bytes of garbage
ts warning: lost synchro
ts debug: skipping 12 bytes of garbage
ts warning: lost synchro
ts debug: skipping 3 bytes of garbage
ts warning: lost synchro
ts debug: skipping 12 bytes of garbage
ts warning: lost synchro
ts debug: skipping 12 bytes of garbage
ts warning: lost synchro
ts debug: skipping 3 bytes of garbage
ts warning: lost synchro
ts debug: skipping 12 bytes of garbage
ts warning: lost synchro
ts debug: skipping 12 bytes of garbage
ts warning: lost synchro
ts debug: skipping 3 bytes of garbage
ts warning: lost synchro
ts debug: skipping 24 bytes of garbage
ts warning: lost synchro
ts debug: skipping 3 bytes of garbage
ts warning: lost synchro
ts debug: skipping 12 bytes of garbage
ts warning: lost synchro
ts debug: skipping 12 bytes of garbage
ts warning: lost synchro
ts debug: skipping 3 bytes of garbage
ts warning: lost synchro
ts debug: skipping 12 bytes of garbage
ts warning: lost synchro
ts debug: skipping 12 bytes of garbage
ts warning: lost synchro
ts debug: skipping 3 bytes of garbage
ts warning: lost synchro
ts debug: skipping 12 bytes of garbage
ts warning: lost synchro
ts debug: skipping 12 bytes of garbage
ts warning: lost synchro
ts debug: skipping 3 bytes of garbage
ts warning: lost synchro
ts debug: skipping 12 bytes of garbage
ts warning: lost synchro
ts debug: skipping 12 bytes of garbage
ts warning: lost synchro
ts debug: skipping 3 bytes of garbage
ts warning: lost synchro
ts debug: skipping 12 bytes of garbage
ts warning: lost synchro
ts debug: skipping 12 bytes of garbage
ts warning: lost synchro
ts debug: skipping 3 bytes of garbage
ts warning: lost synchro
ts debug: skipping 12 bytes of garbage
ts warning: lost synchro
ts debug: skipping 12 bytes of garbage
ts warning: lost synchro
ts debug: skipping 3 bytes of garbage
ts warning: lost synchro
ts debug: skipping 12 bytes of garbage
ts warning: lost synchro
ts debug: skipping 12 bytes of garbage
ts warning: lost synchro
ts debug: skipping 3 bytes of garbage
ts warning: lost synchro
ts debug: skipping 12 bytes of garbage
ts warning: lost synchro
ts debug: skipping 12 bytes of garbage
ts warning: lost synchro
ts debug: skipping 3 bytes of garbage
ts warning: lost synchro
ts debug: skipping 12 bytes of garbage
ts warning: lost synchro
ts debug: skipping 12 bytes of garbage
ts warning: lost synchro
ts debug: skipping 3 bytes of garbage
ts warning: lost synchro
ts debug: skipping 12 bytes of garbage
ts warning: lost synchro
ts debug: skipping 12 bytes of garbage
ts warning: lost synchro
ts debug: skipping 12 bytes of garbage
ts warning: lost synchro
ts debug: skipping 12 bytes of garbage
ts warning: lost synchro
ts debug: skipping 3 bytes of garbage
ts warning: lost synchro
ts debug: skipping 3 bytes of garbage
ts warning: lost synchro
ts debug: skipping 12 bytes of garbage
ts warning: lost synchro
ts debug: skipping 12 bytes of garbage
ts warning: lost synchro
ts debug: skipping 3 bytes of garbage
ts warning: lost synchro
ts debug: skipping 12 bytes of garbage
ts warning: lost synchro
ts debug: skipping 12 bytes of garbage
ts warning: lost synchro
ts debug: skipping 12 bytes of garbage
ts warning: lost synchro
ts debug: skipping 12 bytes of garbage
ts warning: lost synchro
ts debug: skipping 3 bytes of garbage
ts warning: lost synchro
ts debug: skipping 3 bytes of garbage
ts warning: lost synchro
ts debug: skipping 12 bytes of garbage
ts warning: lost synchro
ts debug: skipping 12 bytes of garbage
ts warning: lost synchro
ts debug: skipping 3 bytes of garbage
ts warning: lost synchro
ts debug: skipping 12 bytes of garbage
ts warning: lost synchro
ts debug: skipping 12 bytes of garbage
ts debug: eof ?
main debug: EOF reached
main debug: closing input
ts debug: pid list:
ts debug: - pid[32] seen
ts debug: - pid[601] seen
ts debug: - pid[602] seen
ts debug: - pid[8160] seen
ts debug: - pid[8191] seen
main debug: removing module "ts"
main debug: removing module "access_file"
main debug: thread times: real 0m17.531250s, kernel 0m0.156250s, user 0m0.156250s
main debug: thread 4476 joined (input/input.c:399)
main: nothing to play
16-02-2008, 13:42
Oleg

Ïîñìîòðåë ïîòîê, òàì ïîïàäþòñÿ è 80 21 è 90 21. À åù¸ ïåðèîäè÷åñêè áëîêè èç íóëåé - íå î÷åíü ïîõîæå íà ìïåã...
16-02-2008, 17:28
ega2002

2 Attachment(s)

Ó ìåíÿ ïî http àíàëîãè÷íî, íà 240-ì vlc äàæå íå ïûòàåòñÿ ÷òî-ëèáî îòîáðàçèòü, ëîã ôàéëû ïðèëîæèë. 210-é ðàáîòàåò íîðìàëüíî.
17-02-2008, 08:51
bsl45

íåçàäà÷à

Ðåçóëüòàòû íå ðàäóþò, êîíå÷íî. Èíòðèãóþò ìåíÿ òàêæå ýòè êîðîòåíüêèå ïàêåòû â ïåðåäà÷å êîðáèíû: ó ìåíÿ ñîçäàòü ÷òî-òî ïîäîáíîå âåùàíèåì âèäåî ÷åðåç vlc ïî RTP íå ïîëó÷àåòñÿ - îòòîãî è òåñòû ìîè íå âïîëíå êîððåëèðóþò, âîçìîæíî... (Ïîñûëàåì èç vlc íà RTP - ïðèíèìàåì vlc êàê HTTP ïîòîê ÷åðåç udpxy - âñ¸ ðàáîòàåò.)

Áóäó ðàçìûøëÿòü... è àíàëèçèðîâàòü ïîòîê - íà êðàéíèé ñëó÷àé íàïèøó ÷òî-íèáóäü äëÿ çàïóñêà ñåòü ïàêåòîâ èç pcap (tcpdump) ôàéëà - òàì è ïîñìîòðèì.

Ïàâåë
17-02-2008, 08:54
Oleg

Ïàâåë, åñòü tcpreplay, ñàì ÿ åãî ïðàâäà íå ïðîáîâàë.

http://www.google.ru/search?hl=ru&q=...eplay&lr=&aq=f
17-02-2008, 20:20
bsl45

merci

Quote:

Originally Posted by Oleg

Ïàâåë, åñòü tcpreplay, ñàì ÿ åãî ïðàâäà íå ïðîáîâàë.

http://www.google.ru/search?hl=ru&q=...eplay&lr=&aq=f

Ñïàñèáî! Áóäó èãðàòü òåïåðü ñ íèì ... - ïðàâäà, âèäèìî, íå ñåãîäíÿ óæå (íå ðàíüøå ïîíåäåëüíèêà-âòîðíèêà).
18-02-2008, 14:25
Stalker

Áûëè ïðàâû òå ëþäè êîòîðûå ãîâîðèëè ïðî ïðîñòûõ ïîëüçîâàòåëåé, òèïà ìåíÿ (êîòîðûõ, äóìàþ ìåíüøèíñòâî, íî îíè åñòü). ß íèêñ òî â æèçíè âèäåë âñåãî ïàðó ðàç (áîëüøèíñòâî íà êàðòèíêàõ) è óæ òåì áîëåå â òàêîì óñòðîéñòâå òèïà ðîóòåðà (wl500w). Âñþ òåìó ÿ ïðî÷èòàë ïî äâà ðàçà åñëè íå áîëåå è äàæå âñå ñòîðîííèå ñûëêè íà äðóãèå òåìû, êàñàþùèåñÿ IPTV, ïîïðîáîâàâ ïîêàïàòüñÿ ó ñåáÿ ñ udpxy ôàéëîì è ðîóòåðîì ó ìåíÿ åñòåñòâåííî íè÷åãî íå ïîëó÷èëîñü (õîòÿáû äàæå êàê ñ ôëåøêè çàïóñòèòü íà ðîóòåðå ýòîò ôàéë, íå ãîâîðÿ óæå î íàñòðîéêå) ïîñëå ÷åãî âîçíèêëî äâà îñíîâíûõ âîïðîñà:
1) Âîïðîñ ê Îëåãó: Âû ãîâîðèëè, ÷òî ñîáèðàåòåñü âûïóñòèòü ïðîøèâêó ñ óæå âñòðîåííîé ïðîãðàììîé udpxy, ãäå íàäî áóäåò ïðîñòî âáèòü ïîðò, ò.å. âñÿ ïðèìèòèâíî ïðîñòî. Ìîæíî óçíàòü, êîãäà ýòî ïðèáëèçèòåëüíî ïðîèçîéä¸ò è áóäåò ëè ïîääåðæèâàòüñÿ wl500w?
2) Âîáùå, åñòü ëþäè, êîòîðûå äîáèëèñü äåéñòâèòåëüíî íîðìàëüíîé êàðòèíêè âèäåî áåç àðòåôàêòîâ, êâàäðàòîâ è îáðûâîâ çâóêà ïî wi-fi èëè æå íàäî òÿíóòü ïðîâîä ÷åðåç âñþ êâàðòèðó?
Çàðàíåå ñïàñèáî. È îòäåëüíîå ñïàñèáî Îëåãó è âñåì, êòî ïîääåðæèâàåò ýòîò ïðîýêò.

Ï.Ñ. ñòîèò ïîñëåäíÿÿ ïðîøèâêà îò Îëåãà (1.9.2.7-8), ÿ ïåðåïðîáîâàë âñå âîçìîæíûå êîìáèíàöèè Multicast Rate è ïðî÷èå íàñòðîéêè òèïà Radio Power è WMM, êàæäûé ðàç ïåðåçàãðóæàÿñü, íî âñ¸ðàâíî êàæäûé èç êàíàëîâ ïîêàçûâàë êâàäðàòû. Ó ìåíÿ ðàéîííûé ïðîâàéäåð (Imsys) ïðåäîñòàâëÿåò áåñïëàòíî IPTV. Ñìîòðåë VLC, êàíàëû áåðóòñÿ èç m3u ïëåéëèñòà. Ïî ïðîâîäó âñ¸ èäåàëüíî, íî òàê íå õî÷åòñÿ òÿíóòü ýòó ìàõèíó ÷åðåç âñþ êâàðòèðó, äà è ðîäèòåëè ïðîòèâ, òåìáîëåå ïîòðàòèëñÿ íà òàêîå îáîðóäîâàíèå ñ N ñòàíäàðòîì (.
18-02-2008, 16:20
Hlustov

Quote:

Originally Posted by Stalker

Áûëè ïðàâû òå ëþäè êîòîðûå ãîâîðèëè ïðî ïðîñòûõ ïîëüçîâàòåëåé, òèïà ìåíÿ (êîòîðûõ, äóìàþ ìåíüøèíñòâî, íî îíè åñòü). ß íèêñ òî â æèçíè âèäåë âñåãî ïàðó ðàç (áîëüøèíñòâî íà êàðòèíêàõ) è óæ òåì áîëåå â òàêîì óñòðîéñòâå òèïà ðîóòåðà (wl500w). Âñþ òåìó ÿ ïðî÷èòàë ïî äâà ðàçà åñëè íå áîëåå è äàæå âñå ñòîðîííèå ñûëêè íà äðóãèå òåìû, êàñàþùèåñÿ IPTV, ïîïðîáîâàâ ïîêàïàòüñÿ ó ñåáÿ ñ udpxy ôàéëîì è ðîóòåðîì ó ìåíÿ åñòåñòâåííî íè÷åãî íå ïîëó÷èëîñü (õîòÿáû äàæå êàê ñ ôëåøêè çàïóñòèòü íà ðîóòåðå ýòîò ôàéë, íå ãîâîðÿ óæå î íàñòðîéêå) ïîñëå ÷åãî âîçíèêëî äâà îñíîâíûõ âîïðîñà:
1) Âîïðîñ ê Îëåãó: Âû ãîâîðèëè, ÷òî ñîáèðàåòåñü âûïóñòèòü ïðîøèâêó ñ óæå âñòðîåííîé ïðîãðàììîé udpxy, ãäå íàäî áóäåò ïðîñòî âáèòü ïîðò, ò.å. âñÿ ïðèìèòèâíî ïðîñòî. Ìîæíî óçíàòü, êîãäà ýòî ïðèáëèçèòåëüíî ïðîèçîéä¸ò è áóäåò ëè ïîääåðæèâàòüñÿ wl500w?
2) Âîáùå, åñòü ëþäè, êîòîðûå äîáèëèñü äåéñòâèòåëüíî íîðìàëüíîé êàðòèíêè âèäåî áåç àðòåôàêòîâ, êâàäðàòîâ è îáðûâîâ çâóêà ïî wi-fi èëè æå íàäî òÿíóòü ïðîâîä ÷åðåç âñþ êâàðòèðó?
Çàðàíåå ñïàñèáî. È îòäåëüíîå ñïàñèáî Îëåãó è âñåì, êòî ïîääåðæèâàåò ýòîò ïðîýêò.

Ï.Ñ. ñòîèò ïîñëåäíÿÿ ïðîøèâêà îò Îëåãà (1.9.2.7-8), ÿ ïåðåïðîáîâàë âñå âîçìîæíûå êîìáèíàöèè Multicast Rate è ïðî÷èå íàñòðîéêè òèïà Radio Power è WMM, êàæäûé ðàç ïåðåçàãðóæàÿñü, íî âñ¸ðàâíî êàæäûé èç êàíàëîâ ïîêàçûâàë êâàäðàòû. Ó ìåíÿ ðàéîííûé ïðîâàéäåð (Imsys) ïðåäîñòàâëÿåò áåñïëàòíî IPTV. Ñìîòðåë VLC, êàíàëû áåðóòñÿ èç m3u ïëåéëèñòà. Ïî ïðîâîäó âñ¸ èäåàëüíî, íî òàê íå õî÷åòñÿ òÿíóòü ýòó ìàõèíó ÷åðåç âñþ êâàðòèðó, äà è ðîäèòåëè ïðîòèâ, òåìáîëåå ïîòðàòèëñÿ íà òàêîå îáîðóäîâàíèå ñ N ñòàíäàðòîì (.

1. http://oleg.wl500g.info/preview
2. Â Corbina, â ñåòêå 210 íå ñ÷èòàÿ 2-õ êàíàëîâ âñå çàìå÷àòåëüíî ðàáîòàåò
22-02-2008, 19:08
bsl45

Êîðáèíà: ñâåò â êîíöå òîííåëÿ

ß ïî-ïðåæíåìó ðàçáèðàþñü ñ ïðîáëåìîé Êîðáèíû-240 è íåêîòîðûå ïîäâèæêè åñòü:

1. Îáíàðóæèë, ÷òî Êîðáèíà âðåìÿ îò âðåìåíè èñïîëüçóåò â ïàêåòàõ ðàñøèðåííûå (extended) çàãîëîâêè RTP (íà êîé ëÿä - íàäî ñïðîñèòü ó íèõ ñàìèõ).
2. Íàø¸ë îøèáêó â (ñâî¸ì) êîäå ðàáîòû ñ extended RTP çàãîëîâêàìè - èñïðàâèë.
3. Óñïåøíî ðàçáèðàþ íà RTP ïàêåòû ôàéë îò Êîðáèíû (240_build-27.mpg) - â ïîòîêå åñòü ïàêåòû ñëåäóþùèõ ðàçìåðîâ:

Code:

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Áóäó ïûòàòüñÿ "ïðîèãðàòü" äëÿ íà÷àëà ðàçîáðàííûé (ñ óäàë¸ííûìè RTP çàãîëîâêàìè) ôàéë îò Êîðáèíû ÷åðåç udpxy - î ðåçóëüòàòàõ ñîîáùó.

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