Multimedia Plug-ins Overview

Purpose

The Multimedia Plug-ins collection represents a plug-in framework for handling multimedia data.

Architecture

The components in the Multimedia Plug-ins collection are used by the components in the Multimedia APIs and Frameworks collection. The following diagram shows the architecture of the Multimedia Plug-ins collection:

Figure 1. Multimedia Plug-ins architecture

Note that 3GP Library is a standalone component.

Description

The Multimedia Plug-ins collection provides a generic plug-in architecture for the Camera Framework, Imaging Frameworks and Multimedia Framework (MMF) components. The following types of plug-ins are available:

• Codec plug-ins provide the conversion between different data types.

• Controller plug-ins enable support for audio and video formats.

• Content Rendering Plug-ins (CRPs) are plug-ins that are loaded into the Window Server process for server-side rendering. For more information, see Window Server Component.

Components

The Multimedia Plug-ins collection comprises the following components:

• 3GP Library - provides support for reading and writing 3GP, 3G2, and MP4 files. For information about 3GP Library see, 3GP Library Component Overview.

• Camera Plug-ins - provides a Camera stub plug-in implementation. For information about Camera Plug-ins see, Camera Plug-in Overview.

• Imaging Plug-ins - encodes and decodes various imaging formats, for example, GIF and JPEG. For information about Imaging Plug-ins see, Imaging Plug-ins Overview.

• Video Subtitle CRP (Content Rendering Plug-in) - displays video subtitles. For information about Video Subtitle CRP see, Video Subtitle CRP Overview.

Using Multimedia Plug-ins

You can use the functionality provided by the Multimedia Plug-ins collection to:

• Implement the camera stub plug-in.

• Encode and decode imaging formats.

• Display video subtitles.