| 摘要 |
A communications system provides a media sender object and a media receiver object that provide an interface between a media stack and an application. The application can use the media sender object to send content to a source media stack and the media receiver object to receive content from a sink media stack. The application programming interface of the media sender object and the media receiver object provides functions for registering and un-registering buffers for storing and receiving content. When a source media stack is ready to send content, it invokes each registered source to collect content to be sent. When a sink media stack has received content, it invokes each registered sink to provide the received content. An application interfaces with a media sender object and a media receiver object to add content to a channel or to receive content from a channel.
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