I’ve previously posted several times about codec issues on 7mc, but I’ve now got a solution that is comprehensive, fairly simple and works consistently. With a few free codecs and utilities you can have full decoding support, DXVA, subtitles and fantastic flexibility working in 64bit (or 32bit) Media Center. The following instructions are specific to the x64 edition, but should work just as well on the 32bit edition.
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Posts Categorised: Codecs
0Problems with DS splitters playing a range of m2ts files
Ever since settings up a HTPC running Win7 Media Center I have had the occasional problem playing m2ts files. ffdshow supports all of the codecs used in m2ts files but still a few files play without without either audio or video, or the playback isn’t smooth despite more than ample hardware. I have experimented extensively with both haali matroska splitter and [intlink id=“58” type=“post”]gabests mpeg splitter[/intlink] but both have their flaws.
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1Subtitles and DXVA in Windows Media Center 7 x64
Thanks to a guide on theHTPC.net I have been able to get subtitles working with hardware accelerated decoding in Windows Media Center 7 x64.
For this simplified guide to work you must already be comfortable with the various tweaks necessary to change the default codecs used in Media Center. Once you know how to tweak codecs (and change their merits) you can simply follow these steps…
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0Media center basic codec tweaks
Following on from my [intlink id=“49” type=“post”]previous post listing details of the addins and apps[/intlink] that I use with my media center PC here are the details of the basic set of codec tweaks I use to enable maximum file compatiblity with DXVA support enabled…
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0Full Flac support in Media Center x64
Following on from an [intlink id=“40” type=“post”]earlier article[/intlink], I have been continuing to work on getting my music collection working in Windows 7 Media Center. The problem I have had is that although there are codecs from xiph which support playback of flacs in 64bit players ([intlink id=“14” type=“post”]see this post[/intlink]) there are (as far as I’m aware) no tag extenders compatible with 64bit. After banging my head against a wall for ages I eventually had a breakthrough.
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0Haali finally release official x64 splitter
Haali Media Splitter is now “officially” available for 64bit. To download simply go to the Haali site and download from the link at the top right. Both 32bit and 64bit splitter are included. Various fixes are mentioned altho I haven’t yet had opportunity to test them.
064bit Xiph codec breaks file-type dialog in WMP12
In an [intlink id=“14” type=“post”]earlier article[/intlink] I recommended installing the Xiph codecs to support FLAC files in 64bit Media Player and Media Center. One of the comments (my thanks to thom007) on that post pointed out that the Xiph codecs break the “file type” dialog box in Media Player 12. Below is a work-around which restores the file-type dialog box. The possible side effects are as yet unknown, so experiment at your own risk.
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0Playing downloaded FLV’s
I recently had a problem with 2 PCs which appeared to be configured identically, but whilst one would play a FLV downloaded from youtube, the other would fail. Some other FLVs played OK on both systems. After much further investigation I discovered that the activeX version of flash player on 1 of the PC’s was up-to-date, but on the other was not.
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2Uninstall Haali Media Splitter x64
There is a beta (or maybe its Alpha) installer for Haali Media Splitter x64 out and about (for links to the installer see my previous post on [intlink id=“14” type=“post”]windows 7 x64 codecs[/intlink]). Sadly the uninstall seems to be broken, which can cause havoc when trying to diagnose codec issues. To remove Haali completely you need to unregister the following files manually using regsvr32 /u filename
(from a command prompt run as administrator)
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5Media Codecs and Utilities for Windows 7 x64
Here is a quick list of links to useful x64 codecs and related utilities that are compatible with Windows 7 x64 (64-Bit) edition…
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“Hi James I realise it has been a long while, but I just checked this on windows 11 (build 23H2)…”