Lagarith was built with great attention for the color-space conversions, featuring support for YV12, YUY2, RGB24, RGB32 and RGB, attempting to eliminate the rounding errors that are common in video editing. This favors a much more qualitative output, obviously. This is where Lagarith outgrows Huffyuv, by achieving an arithmetic compression algorithm based on Run Length Encoding instead of the Huffman method that the latter uses. However, the main difference between the two is dictated by the performance of the compression level.
It is built on-top of Huffyuv (although some algorithms have been taken from AviSynth), another lossless video codec that was designed to operate in several color spaces, much in the same way as Lagarith.ĭespite Lagarith being a tad slower than Huffyuv, it still manages to exceed the performance of other lossless codecs in what encoding times are concerned. It aims to offer better compression than most codecs out there, with an emphasis on speedy encoding times. Lagarith Lossless Video Codec is a steady and efficient video codec suited mostly for editing and archiving. Added exception handling in the range decoder I am still getting a few reports of issues with Adobe products, and this will help me determine if there is still a buffer overrun in certain cases.Thanks to Stuart MacKinnon for reporting this and tracking down the cause Fixed some pointers being treated as 32-bit integers when instantiating the codec this could result in the pointer being trucated and the application crashing on 64 bit systems.Restored a table entry in the Fibonacci coder I accidently deleted this would cause video corruption or crashes when playing back high-resolution video.Thanks to Peter Dimov for reporting this and providing a way to reproduce the issue The issue still exists for 64-bit systems, but the fix for them isn't nearly as easy and it is a very rare issue so I am leaving it alone for now. Fixed a crash that could occur when the source video buffer is not aligned to a multiple of 8 for 32 bit systems.What's new in Lagarith Lossless Video Codec 1.3.27:
0 kommentar(er)
