€•9Œsphinx.addnodes”Œdocument”“”)”}”(Œ rawsource”Œ”Œchildren”]”(Œ translations”Œ LanguagesNode”“”)”}”(hhh]”(hŒ pending_xref”“”)”}”(hhh]”Œdocutils.nodes”ŒText”“”ŒChinese (Simplified)”…””}”Œparent”hsbaŒ attributes”}”(Œids”]”Œclasses”]”Œnames”]”Œdupnames”]”Œbackrefs”]”Œ refdomain”Œstd”Œreftype”Œdoc”Œ reftarget”Œ//translations/zh_CN/admin-guide/media/avermedia”Œmodname”NŒ classname”NŒ refexplicit”ˆuŒtagname”hhh ubh)”}”(hhh]”hŒChinese (Traditional)”…””}”hh2sbah}”(h]”h ]”h"]”h$]”h&]”Œ refdomain”h)Œreftype”h+Œ reftarget”Œ//translations/zh_TW/admin-guide/media/avermedia”Œmodname”NŒ classname”NŒ refexplicit”ˆuh1hhh ubh)”}”(hhh]”hŒItalian”…””}”hhFsbah}”(h]”h ]”h"]”h$]”h&]”Œ refdomain”h)Œreftype”h+Œ reftarget”Œ//translations/it_IT/admin-guide/media/avermedia”Œmodname”NŒ classname”NŒ refexplicit”ˆuh1hhh ubh)”}”(hhh]”hŒJapanese”…””}”hhZsbah}”(h]”h ]”h"]”h$]”h&]”Œ refdomain”h)Œreftype”h+Œ reftarget”Œ//translations/ja_JP/admin-guide/media/avermedia”Œmodname”NŒ classname”NŒ refexplicit”ˆuh1hhh ubh)”}”(hhh]”hŒKorean”…””}”hhnsbah}”(h]”h ]”h"]”h$]”h&]”Œ refdomain”h)Œreftype”h+Œ reftarget”Œ//translations/ko_KR/admin-guide/media/avermedia”Œmodname”NŒ classname”NŒ refexplicit”ˆuh1hhh ubh)”}”(hhh]”hŒPortuguese (Brazilian)”…””}”hh‚sbah}”(h]”h ]”h"]”h$]”h&]”Œ refdomain”h)Œreftype”h+Œ reftarget”Œ//translations/pt_BR/admin-guide/media/avermedia”Œmodname”NŒ classname”NŒ refexplicit”ˆuh1hhh ubh)”}”(hhh]”hŒSpanish”…””}”hh–sbah}”(h]”h ]”h"]”h$]”h&]”Œ refdomain”h)Œreftype”h+Œ reftarget”Œ//translations/sp_SP/admin-guide/media/avermedia”Œmodname”NŒ classname”NŒ refexplicit”ˆuh1hhh ubeh}”(h]”h ]”h"]”h$]”h&]”Œcurrent_language”ŒEnglish”uh1h hhŒ _document”hŒsource”NŒline”NubhŒcomment”“”)”}”(hŒ SPDX-License-Identifier: GPL-2.0”h]”hŒ SPDX-License-Identifier: GPL-2.0”…””}”hh·sbah}”(h]”h ]”h"]”h$]”h&]”Œ xml:space”Œpreserve”uh1hµhhh²hh³ŒI/var/lib/git/docbuild/linux/Documentation/admin-guide/media/avermedia.rst”h´KubhŒsection”“”)”}”(hhh]”(hŒtitle”“”)”}”(hŒ&Avermedia DVB-T on BT878 Release Notes”h]”hŒ&Avermedia DVB-T on BT878 Release Notes”…””}”(hhÏh²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hÍhhÊh²hh³hÇh´KubhŒ paragraph”“”)”}”(hŒFebruary 14th 2006”h]”hŒFebruary 14th 2006”…””}”(hhßh²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hÝh³hÇh´KhhÊh²hubhŒnote”“”)”}”(hŒSeveral other Avermedia devices are supported. For a more broader and updated content about that, please check: https://linuxtv.org/wiki/index.php/AVerMedia”h]”(hÞ)”}”(hŒoSeveral other Avermedia devices are supported. For a more broader and updated content about that, please check:”h]”hŒoSeveral other Avermedia devices are supported. For a more broader and updated content about that, please check:”…””}”(hhóh²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hÝh³hÇh´K hhïubhÞ)”}”(hŒ,https://linuxtv.org/wiki/index.php/AVerMedia”h]”hŒ reference”“”)”}”(hjh]”hŒ,https://linuxtv.org/wiki/index.php/AVerMedia”…””}”(hjh²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”Œrefuri”juh1jhjubah}”(h]”h ]”h"]”h$]”h&]”uh1hÝh³hÇh´Khhïubeh}”(h]”h ]”h"]”h$]”h&]”uh1híhhÊh²hh³hÇh´NubhÉ)”}”(hhh]”(hÎ)”}”(hŒThe Avermedia DVB-T”h]”hŒThe Avermedia DVB-T”…””}”(hj$h²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hÍhj!h²hh³hÇh´KubhÞ)”}”(hŒ>The Avermedia DVB-T is a budget PCI DVB card. It has 3 inputs:”h]”hŒ>The Avermedia DVB-T is a budget PCI DVB card. It has 3 inputs:”…””}”(hj2h²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hÝh³hÇh´Khj!h²hubhŒ bullet_list”“”)”}”(hhh]”(hŒ list_item”“”)”}”(hŒRF Tuner Input”h]”hÞ)”}”(hjIh]”hŒRF Tuner Input”…””}”(hjKh²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hÝh³hÇh´KhjGubah}”(h]”h ]”h"]”h$]”h&]”uh1jEhjBh²hh³hÇh´NubjF)”}”(hŒ Composite Video Input (RCA Jack)”h]”hÞ)”}”(hj`h]”hŒ Composite Video Input (RCA Jack)”…””}”(hjbh²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hÝh³hÇh´Khj^ubah}”(h]”h ]”h"]”h$]”h&]”uh1jEhjBh²hh³hÇh´NubjF)”}”(hŒSVIDEO Input (Mini-DIN) ”h]”hÞ)”}”(hŒSVIDEO Input (Mini-DIN)”h]”hŒSVIDEO Input (Mini-DIN)”…””}”(hjyh²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hÝh³hÇh´Khjuubah}”(h]”h ]”h"]”h$]”h&]”uh1jEhjBh²hh³hÇh´Nubeh}”(h]”h ]”h"]”h$]”h&]”Œbullet”Œ*”uh1j@h³hÇh´Khj!h²hubhÞ)”}”(hXZThe RF Tuner Input is the input to the tuner module of the card. The Tuner is otherwise known as the "Frontend" . The Frontend of the Avermedia DVB-T is a Microtune 7202D. A timely post to the linux-dvb mailing list ascertained that the Microtune 7202D is supported by the sp887x driver which is found in the dvb-hw CVS module.”h]”hX^The RF Tuner Input is the input to the tuner module of the card. The Tuner is otherwise known as the “Frontend†. The Frontend of the Avermedia DVB-T is a Microtune 7202D. A timely post to the linux-dvb mailing list ascertained that the Microtune 7202D is supported by the sp887x driver which is found in the dvb-hw CVS module.”…””}”(hj•h²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hÝh³hÇh´Khj!h²hubhÞ)”}”(hX$The DVB-T card is based around the BT878 chip which is a very common multimedia bridge and often found on Analogue TV cards. There is no on-board MPEG2 decoder, which means that all MPEG2 decoding must be done in software, or if you have one, on an MPEG2 hardware decoding card or chipset.”h]”hX$The DVB-T card is based around the BT878 chip which is a very common multimedia bridge and often found on Analogue TV cards. There is no on-board MPEG2 decoder, which means that all MPEG2 decoding must be done in software, or if you have one, on an MPEG2 hardware decoding card or chipset.”…””}”(hj£h²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hÝh³hÇh´K hj!h²hubeh}”(h]”Œthe-avermedia-dvb-t”ah ]”h"]”Œthe avermedia dvb-t”ah$]”h&]”uh1hÈhhÊh²hh³hÇh´KubhÉ)”}”(hhh]”(hÎ)”}”(hŒGetting the card going”h]”hŒGetting the card going”…””}”(hj¼h²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hÍhj¹h²hh³hÇh´K(ubhÞ)”}”(hX<At this stage, it has not been able to ascertain the functionality of the remaining device nodes in respect of the Avermedia DVBT. However, full functionality in respect of tuning, receiving and supplying the MPEG2 data stream is possible with the currently available versions of the driver. It may be possible that additional functionality is available from the card (i.e. viewing the additional analogue inputs that the card presents), but this has not been tested yet. If I get around to this, I'll update the document with whatever I find.”h]”hX>At this stage, it has not been able to ascertain the functionality of the remaining device nodes in respect of the Avermedia DVBT. However, full functionality in respect of tuning, receiving and supplying the MPEG2 data stream is possible with the currently available versions of the driver. It may be possible that additional functionality is available from the card (i.e. viewing the additional analogue inputs that the card presents), but this has not been tested yet. If I get around to this, I’ll update the document with whatever I find.”…””}”(hjÊh²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hÝh³hÇh´K*hj¹h²hubhÞ)”}”(hŒOTo power up the card, load the following modules in the following order:”h]”hŒOTo power up the card, load the following modules in the following order:”…””}”(hjØh²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hÝh³hÇh´K5hj¹h²hubjA)”}”(hhh]”(jF)”}”(hŒ-modprobe bttv (normally loaded automatically)”h]”hÞ)”}”(hjëh]”hŒ-modprobe bttv (normally loaded automatically)”…””}”(hjíh²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hÝh³hÇh´K8hjéubah}”(h]”h ]”h"]”h$]”h&]”uh1jEhjæh²hh³hÇh´NubjF)”}”(hŒ8modprobe dvb-bt8xx (or place dvb-bt8xx in /etc/modules) ”h]”hÞ)”}”(hŒ7modprobe dvb-bt8xx (or place dvb-bt8xx in /etc/modules)”h]”hŒ7modprobe dvb-bt8xx (or place dvb-bt8xx in /etc/modules)”…””}”(hjh²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hÝh³hÇh´K9hjubah}”(h]”h ]”h"]”h$]”h&]”uh1jEhjæh²hh³hÇh´Nubeh}”(h]”h ]”h"]”h$]”h&]”j“j”uh1j@h³hÇh´K8hj¹h²hubhÞ)”}”(hŒËInsertion of these modules into the running kernel will activate the appropriate DVB device nodes. It is then possible to start accessing the card with utilities such as scan, tzap, dvbstream etc.”h]”hŒËInsertion of these modules into the running kernel will activate the appropriate DVB device nodes. It is then possible to start accessing the card with utilities such as scan, tzap, dvbstream etc.”…””}”(hjh²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hÝh³hÇh´K;hj¹h²hubhÞ)”}”(hŒïThe frontend module sp887x.o, requires an external firmware. Please use the command "get_dvb_firmware sp887x" to download it. Then copy it to /usr/lib/hotplug/firmware or /lib/firmware/ (depending on configuration of firmware hotplug).”h]”hŒóThe frontend module sp887x.o, requires an external firmware. Please use the command “get_dvb_firmware sp887x†to download it. Then copy it to /usr/lib/hotplug/firmware or /lib/firmware/ (depending on configuration of firmware hotplug).”…””}”(hj,h²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hÝh³hÇh´K@hj¹h²hubeh}”(h]”Œgetting-the-card-going”ah ]”h"]”Œgetting the card going”ah$]”h&]”uh1hÈhhÊh²hh³hÇh´K(ubhÉ)”}”(hhh]”(hÎ)”}”(hŒKnown Limitations”h]”hŒKnown Limitations”…””}”(hjEh²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hÍhjBh²hh³hÇh´KFubhÞ)”}”(hXAt present I can say with confidence that the frontend tunes via /dev/dvb/adapter{x}/frontend0 and supplies an MPEG2 stream via /dev/dvb/adapter{x}/dvr0. I have not tested the functionality of any other part of the card yet. I will do so over time and update this document.”h]”hXAt present I can say with confidence that the frontend tunes via /dev/dvb/adapter{x}/frontend0 and supplies an MPEG2 stream via /dev/dvb/adapter{x}/dvr0. I have not tested the functionality of any other part of the card yet. I will do so over time and update this document.”…””}”(hjSh²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hÝh³hÇh´KHhjBh²hubhÞ)”}”(hŒëThere are some limitations in the i2c layer due to a returned error message inconsistency. Although this generates errors in dmesg and the system logs, it does not appear to affect the ability of the frontend to function correctly.”h]”hŒëThere are some limitations in the i2c layer due to a returned error message inconsistency. Although this generates errors in dmesg and the system logs, it does not appear to affect the ability of the frontend to function correctly.”…””}”(hjah²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hÝh³hÇh´KNhjBh²hubeh}”(h]”Œknown-limitations”ah ]”h"]”Œknown limitations”ah$]”h&]”uh1hÈhhÊh²hh³hÇh´KFubhÉ)”}”(hhh]”(hÎ)”}”(hŒFurther Update”h]”hŒFurther Update”…””}”(hjzh²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hÍhjwh²hh³hÇh´KTubhÞ)”}”(hXwdvbstream and VideoLAN Client on windows works a treat with DVB, in fact this is currently serving as my main way of viewing DVB-T at the moment. Additionally, VLC is happily decoding HDTV signals, although the PC is dropping the odd frame here and there - I assume due to processing capability - as all the decoding is being done under windows in software.”h]”hXwdvbstream and VideoLAN Client on windows works a treat with DVB, in fact this is currently serving as my main way of viewing DVB-T at the moment. Additionally, VLC is happily decoding HDTV signals, although the PC is dropping the odd frame here and there - I assume due to processing capability - as all the decoding is being done under windows in software.”…””}”(hjˆh²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hÝh³hÇh´KVhjwh²hubhÞ)”}”(hŒgMany thanks to Nigel Pearson for the updates to this document since the recent revision of the driver.”h]”hŒgMany thanks to Nigel Pearson for the updates to this document since the recent revision of the driver.”…””}”(hj–h²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hÝh³hÇh´K]hjwh²hubeh}”(h]”Œfurther-update”ah ]”h"]”Œfurther update”ah$]”h&]”uh1hÈhhÊh²hh³hÇh´KTubeh}”(h]”Œ&avermedia-dvb-t-on-bt878-release-notes”ah ]”h"]”Œ&avermedia dvb-t on bt878 release notes”ah$]”h&]”uh1hÈhhh²hh³hÇh´Kubeh}”(h]”h ]”h"]”h$]”h&]”Œsource”hÇuh1hŒcurrent_source”NŒ current_line”NŒsettings”Œdocutils.frontend”ŒValues”“”)”}”(hÍNŒ generator”NŒ datestamp”NŒ source_link”NŒ source_url”NŒ toc_backlinks”Œentry”Œfootnote_backlinks”KŒ sectnum_xform”KŒstrip_comments”NŒstrip_elements_with_classes”NŒ strip_classes”NŒ report_level”KŒ halt_level”KŒexit_status_level”KŒdebug”NŒwarning_stream”NŒ traceback”ˆŒinput_encoding”Œ utf-8-sig”Œinput_encoding_error_handler”Œstrict”Œoutput_encoding”Œutf-8”Œoutput_encoding_error_handler”j׌error_encoding”Œutf-8”Œerror_encoding_error_handler”Œbackslashreplace”Œ language_code”Œen”Œrecord_dependencies”NŒconfig”NŒ id_prefix”hŒauto_id_prefix”Œid”Œ dump_settings”NŒdump_internals”NŒdump_transforms”NŒdump_pseudo_xml”NŒexpose_internals”NŒstrict_visitor”NŒ_disable_config”NŒ_source”hÇŒ _destination”NŒ _config_files”]”Œ7/var/lib/git/docbuild/linux/Documentation/docutils.conf”aŒfile_insertion_enabled”ˆŒ raw_enabled”KŒline_length_limit”M'Œpep_references”NŒ pep_base_url”Œhttps://peps.python.org/”Œpep_file_url_template”Œpep-%04d”Œrfc_references”NŒ rfc_base_url”Œ&https://datatracker.ietf.org/doc/html/”Œ tab_width”KŒtrim_footnote_reference_space”‰Œsyntax_highlight”Œlong”Œ smart_quotes”ˆŒsmartquotes_locales”]”Œcharacter_level_inline_markup”‰Œdoctitle_xform”‰Œ docinfo_xform”KŒsectsubtitle_xform”‰Œ image_loading”Œlink”Œembed_stylesheet”‰Œcloak_email_addresses”ˆŒsection_self_link”‰Œenv”NubŒreporter”NŒindirect_targets”]”Œsubstitution_defs”}”Œsubstitution_names”}”Œrefnames”}”Œrefids”}”Œnameids”}”(j±j®j¶j³j?j<jtjqj©j¦uŒ nametypes”}”(j±‰j¶‰j?‰jt‰j©‰uh}”(j®hÊj³j!j<j¹jqjBj¦jwuŒ footnote_refs”}”Œ citation_refs”}”Œ autofootnotes”]”Œautofootnote_refs”]”Œsymbol_footnotes”]”Œsymbol_footnote_refs”]”Œ footnotes”]”Œ citations”]”Œautofootnote_start”KŒsymbol_footnote_start”KŒ id_counter”Œ collections”ŒCounter”“”}”…”R”Œparse_messages”]”Œtransform_messages”]”Œ transformer”NŒ include_log”]”Œ decoration”Nh²hub.