问题描述：
英语翻译
This class provides the necessary functions for sending RTP data
and handles the RTCP part internally.
All incoming data is accepted,no matter where it originated from.
If transparams is NULL,the default transmis-sion parameters for the component will be used
This class provides the necessary functions for sending RTP data
and handles the RTCP part internally.
All incoming data is accepted,no matter where it originated from.
If transparams is NULL,the default transmis-sion parameters for the component will be used
问题解答：
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