Create an RTP buffer and store payload_len bytes of the adapter as the
payload. Set the timestamp on the new buffer to timestamp before pushing
the buffer downstream.
If payload_len is -1, all pending bytes will be flushed. If timestamp is
-1, the timestamp will be calculated automatically.
Create an RTP buffer and store payload_len bytes of the adapter as the payload. Set the timestamp on the new buffer to timestamp before pushing the buffer downstream.
If payload_len is -1, all pending bytes will be flushed. If timestamp is -1, the timestamp will be calculated automatically.