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You may want to disable DXVA2 hardware acceleration for MPEG2 video in Windows Media Center, for example if the hardware decoding provided by your graphics card is unstable when it encounters discontinuities in the video stream (e.g. interference from passing vehicles with OTA broadcasts).

In the registry, go to
HKEY_LOCAL_MACHINE\Software\Microsoft\Scrunch\CodecPack\MSDVD\
If those keys don’t already exist, create them.

Next, create a DWORD within MSDVD called DXVA2, and set its value to 0.

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MythWeb included with MythTV allows you to download records from the web browser, by using the Direct Download link on the recording details or recording list.

By default, these files are named in the form of “Title – 3×01 – Subtitle.mpg”. This is fine if the EPG data included a subtitle field or season/episode number to differentiate episode numbers or episode titles, but that is not always the case.

I wanted to add the broadcast/recording date to the downloaded filename, and I could not find any way of doing so in the settings, so I made the following modification to the code.

The file to modify is stream_raw.pl, and on Ubuntu 14.04 and Mint 17, this is located at /usr/share/mythtv/mythweb/modules/stream

Find the block of code which is prefixed by “#Download filename” (around line 71) in 0.27


# Download filename
    my $name = $basename;
    if ($name =~ /^\d+_\d+\.\w+$/) {
        if ($title =~ /\w/) {
            $name = $title;
            $name .= sprintf(" - %dx%02d", $season, $episode) if $season and $episode;
            if ($subtitle =~ /\w/) {
                $name .= " - $subtitle";
            }
        }
        $name .= $suffix;
    }


The recording start time is held in the $starttime variable, which is an epoch timestamp. Convert this to a human-readable date with strftime, and then append to $name, before the suffix (i.e. MPG) is added.

The block of code will now look like this:


# Download filename
    my $name = $basename;
    if ($name =~ /^\d+_\d+\.\w+$/) {
        if ($title =~ /\w/) {
            $name = $title;
            $name .= sprintf(" - %dx%02d", $season, $episode) if $season and $episode;
            if ($subtitle =~ /\w/) {
                $name .= " - $subtitle";
            }
			use Time::Piece;
			my $timestring = localtime($starttime)->strftime('%Y-%m-%d_%H:%M:%S');
			$name .= "_$timestring";
        }
        $name .= $suffix;
    }

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