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RTC: Don't parse RTP header if no twcc

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This commit is contained in:
winlin 2021-02-05 17:15:19 +08:00
parent 49a772770f
commit e95fd10462
1 changed files with 2 additions and 2 deletions
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4
trunk/src/app/srs_app_rtc_conn.cpp
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@ -1123,14 +1123,13 @@ srs_error_t SrsRtcPublishStream::on_rtp(char* data, int nb_data)
}
// Decode the header first.
SrsRtpHeader h;
if (pt_to_drop_ || twcc_id_) {
SrsRtpHeader h;
SrsBuffer b(data, nb_data);
h.ignore_padding(true); h.set_extensions(&extension_types_);
if ((err = h.decode(&b)) != srs_success) {
return srs_error_wrap(err, "twcc decode header");
}
}
// We must parse the TWCC from RTP header before SRTP unprotect, because:
// 1. Client may send some padding packets with invalid SequenceNumber, which causes the SRTP fail.
@ -1151,6 +1150,7 @@ srs_error_t SrsRtcPublishStream::on_rtp(char* data, int nb_data)
if (pt_to_drop_ && pt_to_drop_ == h.get_payload_type()) {
return err;
}
}
// Decrypt the cipher to plaintext RTP data.
int nb_unprotected_buf = nb_data;