Common Playback Problems

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Revision as of 14:39, 31 August 2008 by Kanzar (talk | contribs) (Platform Agnostic)
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On this page is a compiled list of commonly encountered problems when playing videos on different platforms.

Platform Agnostic

Required: 1. A functional computer made in the last 10 years 2. A mouse 3. A brain 4. The ability to read 5. Hands or other equipment capable of tactile movements

Recommended: 1. A functional computer made in the 3 years 2. A mouse and keyboard 3. A working brain 4. Intelligence and some modicum of education 5. Hands


Please keep in mind that all solutions for the following problems assume that you have CCCP installed on your computer.

I tried playing a video and the sound is awful! However, nobody else has complained... Run CCCP configuration again, and select an audio setting that best fits your speakers. You'll most likely have a 2.0 set-up.

Why is the sound and video not synced in my h264 file?

Stolen from Psyren's guide

This guide is intended for use by those who are currently using the latest CCCP (version 2008-1-24 as of this guide). For those who are not using it, find a way to disable your codec pack's h264 decoder.

== Some preliminary steps: ==

1. Don't use Windows Media Player or VLC. It makes this guide pointless. I recommend Media Player Classic (included in the CCCP), or the newer Media Player Classic Home Cinema (google 'MPC HC'). 2. Free up your RAM. A lack of free RAM has been known to cause streaming problems between your HDD and CPU when playing video on older PCs, made all the worse by the CPU barely being able to keep up. Download FreeRAM XP Pro and run it to clear some free space in your memory before attempting to play the video. 3. This is sort of a 'last resort' step, since it removes some of the eye candy that soft subs can provide. Pre-buffer the subtitles. This will cause special effects such as fading or dynamic resizing to not display, but it will remove a fair amount of laggy spots on h264 video. To do so, go to your CCCP start menu folder -> Filters -> VSFilter configuration. Go to the Misc. tab and check 'Pre-buffer subpictures'. Alternatively, if (for what ever reason) you use MPC's subtitle renderer, then go to MPC's options menu, click on the Subtitles option on the left side and make sure 'Number of subpictures to buffer ahead' is not set to 0. I have no idea what a good figure might be, as I've never had to use that option, but the default value is 3.

Now, onto the main part:

Step 1

Go to your CCCP start menu folder, and click on the settings icon. Uncheck the 'h264' button, then click Next -> Apply. You MUST do this step first in order for the next to work.

Step 2

Find and install CoreAVC Professional. Google (amongst other resources) is your friend here.

Verify that playback will use the h264 codec you just installed instead of using ffdshow by playing a h264 video in MPC. If successful, the ffdshow video icon will not show up in your taskbar. Done.

Test out this fix with the Kanon 2006 OP upscaled to 1080p. More HD videos available from THORA's website.

If, after applying these 'fixes', your PC is still unable to play SD h264 encodes, then it's definitely time for a new PC or an upgrade. Remember, it's not the codec at fault, it's your PC. Don't complain to us that the PC you bought when the Beatles were around can't handle it.


I tried playing an AVI file in Quicktime Player (or some other QT-based player) but the video doesn't show up. What's wrong?

Two possibilities exist:

  • The AVI file uses DivX or XviD for its video track and you do not have a DivX codec installed. To resolve this, install Perian Quicktime Components.
  • Your AVI file is one of the rare videos that Quicktime/Perian will not play for some reason. The solution to this problem is to play the video with one the standalone video players listed at Mac Video Playback.

I have Perian installed, but MKV video files are either associated with a non-QT player or are not associated with any player at all. How can I fix this?

By default, Quicktime Player cannot open MKV files. Because of this, even when Perian is installed, it will not show up as an application that is capable of opening MKV files. To fix this, first install Perian's Type Installer. If MKV files are still not associated with QT Player after that, use File > Get Info on any MKV file in the Finder, change its association in that window, and click "Change All...".