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MediaPortal 1
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General Development (no feature request here!)
Multichannel decryption improvements
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<blockquote data-quote="mm1352000" data-source="post: 738862" data-attributes="member: 82144"><p>Hi everyone</p><p></p><p>This thread contains the combined results of everything I have learned about "multidecrypt" from <a href="https://forum.team-mediaportal.com/television-mytv-frontend-tv-server-90/fail-correctly-record-2-channels-same-tuner-90795/" target="_blank">this thread</a> and <a href="https://forum.team-mediaportal.com/general-development-no-feature-request-here-48/can-someone-help-create-ci-menu-terratec-cinergy-c-hd-ci-88167/" target="_blank">this thread</a>. I'm starting a new thread because I want to bring my work together in one place where it will be easy for people to find and share information, and to encourage more people to test my patches.</p><p></p><p><strong><span style="font-size: 18px">Questions</span></strong></p><p></p><p><strong>What is multidecrypt?</strong></p><p></p><p>Multidecrypt is the ability for a tuner to use a CAM and smartcard to decrypt more than one channel at once. Those channels must be on the same transponder (DVB-S/S2) or multiplex (DVB-T, DVB-C).</p><p></p><p><strong>Do all tuners support multidecrypt?</strong></p><p></p><p>No. Tuners from Digital Devices and the Hauppauge WinTV CI only support decrypting one channel at a time. Tuners from Technotrend and DigitalEverywhere already support multidecrypt in MediaPortal 1.1.x and 1.2.x. We are aiming to add multidecrypt support for Twinhan and KNC One tuners (and their clones like Terratec, Azurewave, Mystique etc.).</p><p></p><p><strong>Do all CAMs support multidecrypt?</strong></p><p></p><p>Unfortunately not. Only some CAMs support multidecrypt. Consult your CAM's manual, search Google, or ask other people here to see if it supports multidecrypt. Also, some CAMs can multidecrypt more channels than other CAMs. This is a CAM limitation. Use the CAM settings in TV Server to make TV Server respect your CAM's decryption limits.</p><p></p><p><strong>Who should try this patch?</strong></p><p></p><p>This patch is mainly for people who have Twinhan or KNC One tuners (and clones like Terratec, Azurewave, Mystique etc.). People who use other tuners currently won't have any benefit from using this patch.</p><p></p><p><strong>Why are there two patches here, and what is the diffence between them?</strong></p><p></p><p>There are currently two patches available from this thread. The reason for that is that some tuners support more sophisticated CAM management. Those tuners may be able to change channels faster and smoother than other tuners.</p><p></p><p>Version A of the patch is for tuners with better CAM management; version B is for tuners that don't work with version A. It is recommended to try version A first, and only use version B if version A doesn't work.</p><p></p><p><strong><span style="font-size: 18px">Problems</span></strong></p><p></p><p>Currently the biggest problem with this patch is that starting decryption for a new channel creates a small glitch in the stream for any other channels that are being viewed or recorded. This seems to be a CAM or tuner limitation, however I am not 100% certain about that right now. We would like to do everything we can to reduce or eliminate the glitches, however there may be nothing that can be done.</p><p></p><p><strong><span style="font-size: 18px">CAM Information</span></strong></p><p></p><p>This thread could be useful for collecting information about how good certain models of CAM are. Please help us by posting as much information as possible about your CAM here. Useful information would include manufacturer, model, version, firmware, multidecrypt limit, and whether the CAM is affected by glitches.</p><p></p><p>(no information yet)</p><p></p><p><strong><span style="font-size: 18px">Installation Instructions</span></strong></p><p></p><p>1. Stop the TV Server Windows service.</p><p>2. Take a backup of the TVLibrary.dll in your TV Server install folder.</p><p>3. Download and extract the patched TVLibrary.dll into your TV Server install folder.</p><p>4. Start the TV Server service again.</p><p></p><p><strong><span style="font-size: 18px">Patch Updates</span></strong></p><p></p><p>Version 1.0 - 2 May 2011</p><p>- first versions with combined support for Twinhan and KNC tuners</p></blockquote><p></p>
[QUOTE="mm1352000, post: 738862, member: 82144"] Hi everyone This thread contains the combined results of everything I have learned about "multidecrypt" from [URL="https://forum.team-mediaportal.com/television-mytv-frontend-tv-server-90/fail-correctly-record-2-channels-same-tuner-90795/"]this thread[/URL] and [URL="https://forum.team-mediaportal.com/general-development-no-feature-request-here-48/can-someone-help-create-ci-menu-terratec-cinergy-c-hd-ci-88167/"]this thread[/URL]. I'm starting a new thread because I want to bring my work together in one place where it will be easy for people to find and share information, and to encourage more people to test my patches. [B][SIZE="5"]Questions[/SIZE][/B] [B]What is multidecrypt?[/B] Multidecrypt is the ability for a tuner to use a CAM and smartcard to decrypt more than one channel at once. Those channels must be on the same transponder (DVB-S/S2) or multiplex (DVB-T, DVB-C). [B]Do all tuners support multidecrypt?[/B] No. Tuners from Digital Devices and the Hauppauge WinTV CI only support decrypting one channel at a time. Tuners from Technotrend and DigitalEverywhere already support multidecrypt in MediaPortal 1.1.x and 1.2.x. We are aiming to add multidecrypt support for Twinhan and KNC One tuners (and their clones like Terratec, Azurewave, Mystique etc.). [B]Do all CAMs support multidecrypt?[/B] Unfortunately not. Only some CAMs support multidecrypt. Consult your CAM's manual, search Google, or ask other people here to see if it supports multidecrypt. Also, some CAMs can multidecrypt more channels than other CAMs. This is a CAM limitation. Use the CAM settings in TV Server to make TV Server respect your CAM's decryption limits. [B]Who should try this patch?[/B] This patch is mainly for people who have Twinhan or KNC One tuners (and clones like Terratec, Azurewave, Mystique etc.). People who use other tuners currently won't have any benefit from using this patch. [B]Why are there two patches here, and what is the diffence between them?[/B] There are currently two patches available from this thread. The reason for that is that some tuners support more sophisticated CAM management. Those tuners may be able to change channels faster and smoother than other tuners. Version A of the patch is for tuners with better CAM management; version B is for tuners that don't work with version A. It is recommended to try version A first, and only use version B if version A doesn't work. [B][SIZE="5"]Problems[/SIZE][/B] Currently the biggest problem with this patch is that starting decryption for a new channel creates a small glitch in the stream for any other channels that are being viewed or recorded. This seems to be a CAM or tuner limitation, however I am not 100% certain about that right now. We would like to do everything we can to reduce or eliminate the glitches, however there may be nothing that can be done. [B][SIZE="5"]CAM Information[/SIZE][/B] This thread could be useful for collecting information about how good certain models of CAM are. Please help us by posting as much information as possible about your CAM here. Useful information would include manufacturer, model, version, firmware, multidecrypt limit, and whether the CAM is affected by glitches. (no information yet) [B][SIZE="5"]Installation Instructions[/SIZE][/B] 1. Stop the TV Server Windows service. 2. Take a backup of the TVLibrary.dll in your TV Server install folder. 3. Download and extract the patched TVLibrary.dll into your TV Server install folder. 4. Start the TV Server service again. [B][SIZE="5"]Patch Updates[/SIZE][/B] Version 1.0 - 2 May 2011 - first versions with combined support for Twinhan and KNC tuners [/QUOTE]
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