Lossless Video Ubuntu

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Lossless Video Ubuntu

Lagarith Lossless Video Codec 1.3.19


 

Lagarith Lossless Video Codec

 
Lagarith Lossless Video Codec
 

 

Lagarith Lossless Video Codec 1.3.19 (Lossless Video Ubuntu) Description:

The Lagarith Lossless Video Codec was designed to be used in editing and archiving. Lagarith offers better compression than codecs like Huffyuv, Alparysoft, and CorePNG. There are a few lossless codecs that can compress better than Lagarith, such as MSU and FFV1; however Lagarith tends to be faster and stabler than these codecs.

Lagarith is able to operate in several colorspaces - RGB24, RGB32, RGBA, YUY2, and YV12. For DVD video, the compression is typically only 10-30% better than Huffyuv. However, for high static scenes or highly compressible scenes, Lagarith significantly outperforms Huffyuv.

A comparison for various types of video can be found here. Lagarith is able to outperform Huffyuv due to the fact that it uses a much better compression method. Pixel values are first predicted using median prediction (the same method used when "Predict Median" is selected in Huffyuv).

This results in a much more compressible data stream. In Huffyuv, this byte stream would then be compress using Huffman compression. In Lagarith, the byte stream may be subjected to a modified Run Length Encoding if it will result in better compression.

The resulting byte stream from that is then compressed using Arithmetic compression, which, unlike Huffman compression, can use fractional bits per symbol. This allows the compressed size to be very close to the entropy of the data, and is why Lagarith can compress simple frames much better than Huffyuv, and avoid expanding high static video.

Additionally, Lagarith has support for null frames; if the previous frame is mathematically identical to the current, the current frame is discarded and the decoder will simply use the previous frame again.

The trade-off for this improved compression is speed. On a single processor system, Lagarith can be significantly slower than Huffyuv on typical video. Additionally, the decode speed tends to be slower than the encode speed; this is due to the nature of Arithmetic compression and the prediction algorithm.

Fortunately, for the situations where the codec offers the most advantages over Huffyuv, the speed difference between the two tends to decrease, and Lagarith can be much faster for simple video. For multiple processor systems, Lagarith 1.3.0 can take advantage of additional processors; while Huffyuv cannot. On such systems Lagarith may be faster than Huffyuv.

This codec was build using the Huffyuv source as a template, and uses some Huffyuv code, most notably the routine to upsample YUY2 video to RGB and to perform pixel prediction on YUY2 video. Other colorspace conversion routines were taken from AviSynth.

 
Lagarith Lossless Video Codec 1.3.19 (Lossless Video Ubuntu) Security Information

You cannot download any crack or serial number for Lagarith Lossless Video Codec 1.3.19 (Lossless Video Ubuntu) on this page. Every software that you are able to download on our site is legal. There is no crack, serial number, hack or activation key for Lagarith Lossless Video Codec 1.3.19 (Lossless Video Ubuntu) present here. Our collection also doesn't contain any keygens, because keygen programs are being used in illegal way which we do not support. All software that you can find here is freely downloadable and legal.

Lagarith Lossless Video Codec 1.3.19 (Lossless Video Ubuntu) installation package is prepared to be downloaded from our fast download servers. It is checked for possible viruses and is proven to be 100% clean and safe. Various leading antiviruses have been used to test Lagarith Lossless Video Codec 1.3.19 (Lossless Video Ubuntu), if it contains any viruses. No infections have been found and downloading Lagarith Lossless Video Codec 1.3.19 (Lossless Video Ubuntu) is completelly problem free because of that reason. Our experts on malware detection tested Lagarith Lossless Video Codec 1.3.19 (Lossless Video Ubuntu) with various spyware and malware detection programs, including fyxm.net custom malware and spyware detection, and absolutelly no malware or spyware was found in Lagarith Lossless Video Codec 1.3.19 (Lossless Video Ubuntu).

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