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QUICKTIME ACCESS FOR EDITING

Quicktime 4 Linux was the first convenient way to read and write uncompressed Quicktime movies on Linux. Today Quicktime 4 Linux is intended mainly to support CINELERRA. Quicktime 4 Linux has the exotic colormodel support, bit depth, accuracy, reliability, and codecs for Cinelerra, while not stressing economy.

FEATURES

It includes several front ends to encoders and decoders which are used by Cinelerra directly.

DV FRONT END

Included in Quicktime for Linux is a front end for the libdv engine. This front end was started when libdv was really crude. Since then, libdv has gotten better but the abstraction layer remains.

JPEG FRONT END

A parallel JPEG engine using libjpeg is implemented with a front end. This uses 2 processors for field based JPEG compression and 1 processor for frame based compression. It also supports some common marker operations.

COLORSPACE CONVERSION

A general colorspace converter implements colorspace conversion with nearest neighbor scaling for the large number of nonstandard colorspaces that Cinelerra uses.

STEP UP TO THE MICROSOFT

Quicktime 4 Linux reads and writes some AVI files. AVI support has grown over the years, since this is of course the standard on Linux, but is continuously evolving since AVI is not consistent. Currently it reads and writes reasonably compatible AVI files less than or greater than 2GB. The AVI mode supports MJPG, DV, and some compressed codecs.

CODECS

Quicktime for Linux won't read many of the movies you download from the internet. Quicktime is a wrapper for many different kinds of compression formats. The codecs we support are mainly H.264 and AAC derivatives.

DOWNLOAD

There is no support or warranty for the source code.

SOURCE CODE

CHANGES

2.3 - QDesign Music 2

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