Vlc media player dvd skipping
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I suppose it depends on one's system to an extent. A 300 ms cache is sufficient for playback of pressed media and a lot of recordable media, but increasing the cache to 8x300 ms = 2400 ms gives the drive time to adjust its speed and properly read the error-prone outer area of some DVD-R/+R discs. This explains why pressed media and high-quality recordable media burnt recently play fine with VLC and a 300 ms cache, yet high-quality media burnt a long time ago and bad media burnt recently may skip a little or a lot near the end of the disc. Since the area near the outer edge of recordable media doesn't burn perfectly to begin with - even when using high-quality media and the best write speed - the accumulation of dust and so forth can only make things worse. The outer edge has the greatest linear velocity when the disc spins at a constant angular velocity, so reading and writing near the outer edge is generally more error-prone, especially at high speeds like 8X or 16X. Error correction is a function of both the drive and disc: When the drive has trouble reading at high speed, it slows down and tries again at a lower speed, using robust error correction.
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Even with pressed media that's carefully stored and handled, you're going to accumulate a few minor scratches and particles of dust over the years, so you need error correction. DVDs contain redundant information not only for error detection but also for error correction. I don't think there is a problem with the drive it is behaving the way it's supposed to behave. More likely is dirty optics and or a sled that is no longer completely smooth thus causing certain areas to be read again and again with out you knowing it as all of these units have built in CRC. I'm satisfied with the cache increase solution, but out of curiosity, Is there a way that I can force VLC to read at 1X, or could such an option be added in the future? Is there any other way to improve error-correction, especially for playback of DVD-R and DVD+R discs? I wonder if reading the disc at low speed, say 1X, would further improve disc readability, and maybe eliminate the need for increasing the cache value? My theory is that the extra leeway gives the drive a chance to slow down and employ proper error correction to read from imperfect areas of the disc, whereas with the 300 ms cache there is no margin for errors. I recently encountered bad skipping near the outer edge of a lower-quality disc, and I discovered that increasing the cache value from 300 ms to 2400 ms seemed to completely eliminate the skipping problem. (The outer area of the disc is of course the area that is fastest and most prone to errors.) I believe this is because of error-correction and possibly because the DVD players are reading the discs at lower speed than VLC. Medium quality media may skip very badly near the end of the disc right after burning.īoth the high and medium quality media can be successfully ripped to hard disk without any read errors, and play perfectly fine on at least two DVD players that I have tested. High quality media (e.g., discs manufactured by Maxell or Taiyo Yuden) burnt at the right speed does not skip at all initially, but may begin to skip slightly at the very end of the disc months or years after burning. Get it for PowerPC or Intel.I have always had problems with VLC media player "skipping" near the outer edge of DVD-R and DVD+R media. Note that support ended for all releases listed below and hence they won't receive any further updates. You can find recommendations for the respective operating system version below. We provide older releases for users who wish to deploy our software on legacy releases of Mac OS X. Older versions of Mac OS X and VLC media player The last version is 3.0.4 and can be found here. Support for NPAPI plugins was removed from all modern web browsers, so VLC's plugin is no longer maintained. You can also choose to install a Universal Binary. If you need help in finding the correct package matching your Mac's processor architecture, please see this official support document by Apple. Note that the first generation of Intel-based Macs equipped with Core Solo or Core Duo processors is no longer supported. Previous devices are supported by older releases. It runs on any Mac with a 64-bit Intel processor or an Apple Silicon chip. VLC media player requires Mac OS X 10.7.5 or later.