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Frequently Asked Questions

Why does MediaPortal use DirectX9 Video Mixing Renderer (VMR9) for Video Playback?

FrequentlyAskedQuestions - MediaPortal Wiki Documentation
Drawing GUI on top of the video doesn't flicker. This enables on-screen displays to be drawn over the live TV images. It can work in Direct3D exclusive mode which means the entire machine is set to fullscreen and no background application are allowed access to the video hardware. Under Direct3D Exclusive Mode, less CPU is required to play videos and depending on the resolution of the video, playback may be smoother. Exclusive mode is also required to stop tearing. No.

Why should I use MediaPortal?

FrequentlyAskedQuestions - MediaPortal Wiki Documentation
Review the MediaPortalFeatures to see why you should use MediaPortal over other Mediacenter software. MediaPortal has been designed for Windows and will not run on linux. Myth TV is a similar project designed specifically for Linux. Yes, it does out of the box. As Windows MCE is basically an XP, all XP-requirements also apply for MCE. The MCE services are stopped by MediaPortal as well automatically. This is not supported officically.

How many LNBs can i use with MediaPortal?

FrequentlyAskedQuestions - MediaPortal Wiki Documentation
But at the moment switching between LNBs is only supported with Skystar2, firedtv/floppydtv and Technotrend TV-Cards.

How many TV-Cards can i use properly with MediaPortal?

FrequentlyAskedQuestions - MediaPortal Wiki Documentation
With Windows XP you can only use 1 DVB-Card without issues. You can still use multiple analog cards and one DVB-Card. But because of the bug in Windows XP you can't use more than one DVB-Card out of the box. The only exception is the Skystar2 which doesn't use a BDA-driver and is supported by MediaPortal. You can use one or two Skystar 2 TV-Cards along with one other DVB-TV-Card and multiple analog cards with WindowsXP. With "MCE Rollup 2" Microsoft updated the files "mpeg2data.

Why does the playback stop and skip when mixing between songs?

MixMeister DJ Mixing Software
This problem is usually the result of MixMeister running out of CPU resources. The recommended minimum system is a Pentium 2 class machine with 64 MB RAM. On slower machines, reliable playback depends on variety of factors including amount of cache memory, hard disk speed, etc.

When mixing is done, what then ?

Audio Post FAQ's
After the mix is completed and approved, films generally require a last step called Printmastering, that combines the various stems into a final composite soundtrack. When this is completed, an optical or digital sound track can be created for a feature film release print. It is also usual at this time to run an 'M & E' (which stands for Music and Effects) track. This is essentially the film's soundtrack with the English language dialogue removed.

Why does my playback get interrupted?

Internet Streaming Media FAQ
Interruptions can come from either the source's site throughput, or the throughput of your internet service provider (ISP). (Throughput here refers to the rate at which information can be transmitted). Even if you have a high-bandwidth internet connection, if the source from which you are downloading is slow, it will not reach you at the speed of your network.

I am using a stripped down or streamlined version of XP. Why does MediaPortal run so badly on it?

FrequentlyAskedQuestions - MediaPortal Wiki Documentation
Stripped down Windows versions mostly lack of some basic services and settings MediaPortal uses. We cannot supply a list of services that have to be installed, as some plugins need services that others don't. In general we recommend not to used a stripped version of Windows, you might experience some very weird things and unexpected crashes with it. The same applies if you disable some Windows services by hand. You cannot predict what plugin component is going to need what service.

Can I use my play-by-play game data to select plays for video playback?

TigerViz - FAQs
Yes, and that is what the TigerViz system is all about. Store your play-by-play game data (such as play #, down, distance, yard line, formation, etc) in an EXCEL spreadsheet, and capture the video start/stop frame information for each play using the timing capture portion of TigerViz. Then, you have your play-by-play game analysis, and access to each play’s video clips, all in the same system.

Why does the video stops and restart during playback (buffering)?

Support - WatchTheOutdoors.com
Video playback will suffer if you are on a slow Internet connection, or if you experience network congestion. To compensate for this, the video will download a little at a time to build a buffer. To correct this, watch the video at a lower bandwidth speed, or download the video to your computer instead of watching the streaming version.

How does the TigerViz software give me nonlinear playback of the content on my DVD-Video?

TigerViz - FAQs
Each DVD-Video has an associated EXCEL spreadsheet that is generated by the video timing capture process. During video timing capture, TigerViz captures start/stop frame numbers from your DVD-Video for each segment selected by the operator, and then stores that information in the EXCEL spreadsheet.

Why does audio or video playback stop and/or stall?

Move Networks Video Player FAQ
You can usually recover and begin broadcasting by refreshing your browser or closing your browser and opening it again. These stalls should be rare but they will happen when Internet congestion prevents video delivery for an extended period of time.

The playback of my video is very Jumpy. How can I correct this?

SundayPlus & BarnaFilms
On most machines, an Apple feature called DirectDraw affects the QuickTime display. Video playback on secondary monitors for some systems may play better with this on, and others with it off. You should experiment with these settings to see which one works best for your system. To get to these QuickTime settings: If you still experience jumpy playback, try setting QuickTime to Safe Mode from the same Preference dialog.

My video playback is jerky. Can I improve it?

Holyland Virtual Tour
Video and VR playback takes quite a bit of computer power. Try clicking on the square video resize button in the upper right-hand corner. This will make the playback window smaller and thus smoother in playback.

How can I improve video playback performance?

Educational Impact: Staff Development for Educators
For a 56k modem user make sure to choose low bandwidth under the media setting. For cable modem, dsl, or faster connection you can choose low or high bandwidth. The media setting is located directly under the movie window and may be changed at any time. Your current setting is saved to your account each time you adjust the setting.

Why is video playback so sluggish on my machine?

MixMeister DJ Mixing Software
Please keep in mind that video playback is a fairly demanding on your computer. This is especially true if you are playing multiple clips back to back, like you do when using the video montage builder. Here are some tips to improve the performance of video playback in MixMeister Pro: Try placing the video clips on a different physical hard drive than the one that has your Windows installation. This is especially true for laptops. Try using clips in an alternate format.

Do you support Video playback?

Sales Frequently Asked Questions (FAQ)
No. Even though shared video applications are visible to guests, the frame rate will be lower and no sound will be sent. This is similar to other web conferencing solutions.

Can I watch encrypted channels with MediaPortal?

FrequentlyAskedQuestions - MediaPortal Wiki Documentation
Yes, you can watch encrypted channels, if you have a valid subscription card for the channels you want to watch. MediaPortal does NOT support softcams and will never support them! See this thread for some more details. Furthermore you need a TV card with CI that is properly supported. Currently only 2 kinds of cards are confirmed to be working with CI. Others might also work but that still needs to be tested thorougly.

What's the size of MediaPortal source code?

FrequentlyAskedQuestions - MediaPortal Wiki Documentation
The MediaPortal source code is about 160MB. However, SVN uses compression so only 66MB need to be downloaded, if you download the needed main trunk only. All other branches should not be downloaded.
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