oscam ymod with stable twin protocol

coolirc · Aug 8th 2015

Hi all

is it possible to improve the time of the twin protocol on oscam ymod maybe add requests each 50ms better than 1 second .
anyway i'm testing oscam ymod with some dongle using the twin protocol and it seems there are some mini freezes but when i test the dongle in another software on another receiver there no freez on the channels so the problem is'nt on the dongle but in the software used to decrypt . ( oscam ymod )

can someone post the source of the oscam twin reader or the files related to see where's the problem? or make any improvements on it ?

thanks in advance
( i'm using dm500s with oscam ymod and dongle atlas e )

coolirc · Aug 13th 2015

anyone can reply to this thread thanks ?

**joeuser** · Aug 13th 2015

oscam-ymod is closed source - have you tried using oscam with oscam-emu patch? They are both open source...
https://github.com/oscam-emu/oscam-emu

Although the git is not updated, here is a patch for latest oscam:

coolirc · Aug 14th 2015

thanks but does this patch include the twin protocol source code ? as i can see it supports several protocols such as powervu etc bu i don't see anything about the twin protocol
thanks again

**joeuser** · Aug 14th 2015

Sorry, did not notice that. I found this, but not sure it is what you are looking for. (I did not register and try to download)

http://en.pudn.com/downloads56…app/detail2322174_en.html

coolirc · Aug 14th 2015

no i think this is twin2cs source code wich is unstable ... that's why i asked in the oscam ymod support forum because oscam ymod already include the twin protocol reader so what i'm asking is some improvement because there is only mini freezing and it's related to the oscam twin protocol source code i think we can improve this by increasing the time or doing some keepalive packets maybe if we have like ali dvbs source code we can compare the code used in their software because when i try the twin protocol on a lambda mu (samsat hd 80 ) receiver it's working perfectly but when i try on the oscam ymod i get some freezing but some other channels works smoothly, by doing some debug maybe we can find where the issue is .

thanks

- - - Updated - - -

Hello Everyone ... Good News i think i found the file wanted posted by a guy
now the problem is to find the timeout code or the problematic code .
here's the file attached if someone want to take a look at .

**joeuser** · Aug 14th 2015

Wow, that is old - it is a patch against oscam version 538. At first glance, looks like this section in module-dvbapi.c, but I would have to download the full oscam source...

Code

-		if(curpid->table == buffer[0] && curpid->CAID >> 8 != 0x06)  // wait for odd / even ecm change (only not for irdeto!)
+//modif		if(curpid->table == buffer[0] && curpid->CAID >> 8 != 0x06)  // wait for odd / even ecm change (only not for irdeto!)
+		int32_t reqtime = time(NULL);
+		if((reqtime < nextreqtime) && (curpid->table == buffer[0] && curpid->CAID >> 8 != 0x06))  // wait between request
 			{ return; }
 
 		if(curpid->CAID >> 8 == 0x06)  //irdeto cas
@@ -3152,7 +3156,9 @@
 			}
 		}
 		curpid->table = er->ecm[0];
+		nextreqtime = time(NULL)+1; //wait 2s between request_cw
 		request_cw(dvbapi_client, er, demux_id, 1); // register this ecm for delayed ecm response check
+

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coolirc · Aug 15th 2015

i think i have what you need .

coolirc · Aug 17th 2015

hello joeuser any chance you looked at the source code ? maybe you can try some changes on the code and build different bins and i'll test them here and reply with feedback .

thanks

**joeuser** · Aug 21st 2015

Sorry, all of the little free time I have has been spent on osemu lately. First we have to see if the patch will even apply and build. :)

coolirc · Aug 22nd 2015

Quote from joeuser

Sorry, all of the little free time I have has been spent on osemu lately. First we have to see if the patch will even apply and build. :)

thanks joeuser and good luck

coolirc · Aug 27th 2015

update any chance anyone can take a look at the source and provide a solution thanks

coolirc · Sep 1st 2015

joeuser now oscam is supporting the twin protocol from the patch i supplied
http://www.streamboard.tv/oscam/changeset/10970

but from the author of the patch he says

Quote

Hello,

I'm the autor of the patch, changes made in dvbapi and other files are there because the dongle may not have received new cw when oscam "ask" for it witch cause freezes, so I modded it to ask for cw every second (and not only when ecm change).

And yes it's very dirty, I have made it for my personal use and I have shared it on another forum.

It seems that Yurick's has integrated it in oscam-ymod.

I hope I'm clear, english is not my native language and it's not easy to explain.

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i think there is some work to remove the freezing i think the author of the patch may give more information but i'm here to test the results ...

anyway good luck

**joeuser** · Sep 1st 2015

I just saw tonight the references to twin in the oscam changelog. Have you tried it yet? I think this is the correct build for your box, but I have no way to test it. It is the latest oscam without any changes. If it works for you, we can see about making the above patch...

Also attached is the version you posted "as is" to see the basics are working before trying to make any changes... :)

coolirc · Sep 6th 2015

hi thanks for your reply joeuser i tried the latest oscam but the only version that worked is r10977 but still there are some freez of 1 second maybe need some improvements on the reader side or something .

thanks

**joeuser** · Sep 6th 2015

Quote from coolirc

hi thanks for your reply joeuser i tried the latest oscam but the only version that worked is r10977 but still there are some freez of 1 second maybe need some improvements on the reader side or something .

thanks

Which "latest" version? Versions before or after 10977? You are trying a straight build, or with the patch you posted?

coolirc · Sep 7th 2015

Quote from joeuser

Which "latest" version? Versions before or after 10977? You are trying a straight build, or with the patch you posted?

the patch i provided works with the version i provided but AEON from streamboard has reworked my patch to be compatible with the latest versions of oscam et from the build r10977 of oscam the twin protocol is working like for oscam ymod . the only problem is left is the freez of 1 second wich some users have played on the dvb-api.c file to improve the ecm request from the reader so the dcw doesnt come late and there is also this version of oscam wich works on the sh4 plateform wich some users stated that it's also freez free . but i dont have the source of this one .
so finally there's some work to be done on the twin protocol reader to get rid of the freez and make it as stable as a real card reader .

those two files attached works on the pkteam and hdmu and i think it's for sh4 plateform

**joeuser** · Sep 7th 2015

Well, I have an sh4 box, but without a dongle, I am not sure there is much I can do.

coolirc · Sep 7th 2015

Quote from joeuser

Well, I have an sh4 box, but without a dongle, I am not sure there is much I can do.

thanks joeuser for your help i'll post a ticket on streamboard and see if they can make some improvements on the twin protocol reader .

medi01 · Sep 12th 2015

Guys, I'm having troubles with BISS. (NTV SPOR HD @ 42E)

Here is the log:
2015/09/12 15:16:42 1850 74CFF4A0 c anonymous (092B&000000/2A98/0E51/0000/6E:3D9C/00-00): rejected group (0 ms) (no matching reader)

Something like that in oscam.keys (I was confused about what key is the right one, so put a bunch there):
F 2A321FFF 00 xxxxxxxxxxxxxxxxx ;NTV Spor (42.0°E)
F 2A321FFF 01 xxxxxxxxxxxxxxxxx;NTV Spor (42.0°E)
F 092B0E51 00 xxxxxxxxxxxxxxxxx;NTV Spor (42.0°E)
F 092B0E51 01 xxxxxxxxxxxxxxxxx;NTV Spor (42.0°E)
F 092B2A98 00 xxxxxxxxxxxxxxxxx;NTV Spor (42.0°E)
F 092B2A98 01 xxxxxxxxxxxxxxxxx;NTV Spor (42.0°E)

Separate const.cw reader is also configured, pointing to constant.cw file with the following:
2600:000000:2A32:002A:1FFF::<space separated key>
092B:000000:2A98:0E51:0000::<space separated key>
092B:000000:2A98:0E51:::<space separated key>

What am I doing wrong? :(

oscam ymod with stable twin protocol

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