Data Codec Components

This chapter describes data codec components, which are new to QuickTime 3.0. Data codec components enable you to compress and decompress data using a specified compressor component. Data codecs can be used to compress and decompress sprites and 3D media samples, for example.

About Data Codec Components

QuickTime 4 Reference describes the general features of data codecs, gives their component type, and discusses how to use them to compress or decompress data at interrupt time.

Using Data Codec Components

QuickTime 4 Reference describes how to connect to a data codec component and invoke it to decompress data. The procedure for compressing or decompressing data at interrupt time is covered in detail.

Compressing or Decompressing During Interrupt Time

Functions

QuickTime 4 Reference defines the functions provided by data codec components.

DataCodecCompress
DataCodecDecompress
DataCodecBeginInterruptSafe
DataCodecEndInterruptSafe