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always re-write sequence numbers (even passthrough) so we don't jump, use the ssrc that we are using (even if we are in passthrough) for sending 2833. Fix for FSCORE-83. Thanks wchance for all your testing help. 

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@7162 d0543943-73ff-0310-b7d9-9358b9ac24b2
This commit is contained in:
Michael Jerris 2008-01-10 03:10:58 +00:00
parent a3ab8814b0
commit 174aed86ee
2 changed files with 15 additions and 10 deletions
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3
src/include/switch_rtp.h
View File

@ -345,7 +345,6 @@ SWITCH_DECLARE(int) switch_rtp_write_frame(switch_rtp_t *rtp_session, switch_fra
\param m set mark bit or not
\param payload the IANA payload number
\param ts then number of bytes to increment the timestamp by
\param mseq the specific sequence number to use
\param ssrc the ssrc
\param flags frame flags
\return the number of bytes written
@ -353,7 +352,7 @@ SWITCH_DECLARE(int) switch_rtp_write_frame(switch_rtp_t *rtp_session, switch_fra
SWITCH_DECLARE(int) switch_rtp_write_manual(switch_rtp_t *rtp_session,
void *data,
uint32_t datalen,
uint8_t m, switch_payload_t payload, uint32_t ts, uint16_t mseq, uint32_t ssrc, switch_frame_flag_t *flags);
uint8_t m, switch_payload_t payload, uint32_t ts, uint32_t ssrc, switch_frame_flag_t *flags);
/*!
\brief Retrieve the SSRC from a given RTP session

22
src/switch_rtp.c
View File

@ -814,14 +814,12 @@ static void do_2833(switch_rtp_t *rtp_session)
for (x = 0; x < loops; x++) {
rtp_session->seq++;
switch_rtp_write_manual(rtp_session,
rtp_session->dtmf_data.out_digit_packet,
4,
0,
rtp_session->te,
rtp_session->dtmf_data.timestamp_dtmf, rtp_session->seq, rtp_session->dtmf_data.out_digit_ssrc,
rtp_session->dtmf_data.timestamp_dtmf, rtp_session->dtmf_data.out_digit_ssrc,
&flags);
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Send %s packet for [%c] ts=%d dur=%d seq=%d\n",
loops == 1 ? "middle" : "end", rtp_session->dtmf_data.out_digit, rtp_session->dtmf_data.timestamp_dtmf,
@ -849,15 +847,14 @@ static void do_2833(switch_rtp_t *rtp_session)
rtp_session->dtmf_data.out_digit_packet[1] = 7;
rtp_session->dtmf_data.timestamp_dtmf = rtp_session->last_write_ts + samples;
rtp_session->dtmf_data.out_digit_ssrc = rtp_session->last_write_ssrc;
rtp_session->seq++;
switch_rtp_write_manual(rtp_session,
rtp_session->dtmf_data.out_digit_packet,
4,
switch_test_flag(rtp_session, SWITCH_RTP_FLAG_BUGGY_2833) ? 0 : 1,
rtp_session->te,
rtp_session->dtmf_data.timestamp_dtmf,
rtp_session->seq,
rtp_session->dtmf_data.out_digit_ssrc, &flags);
switch_log_printf(SWITCH_CHANNEL_LOG,
@ -1300,6 +1297,8 @@ static int rtp_common_write(switch_rtp_t *rtp_session, void *data, uint32_t data
if (flags && *flags & SFF_RFC2833) {
send_msg->header.pt = rtp_session->te;
}
rtp_session->seq++;
send_msg->header.seq = htons(rtp_session->seq);
} else {
uint8_t m = 0;
@ -1460,7 +1459,7 @@ static int rtp_common_write(switch_rtp_t *rtp_session, void *data, uint32_t data
rtp_session->last_write_samplecount = rtp_session->timer.samplecount;
}
switch_socket_sendto(rtp_session->sock, rtp_session->remote_addr, 0, (void *) send_msg, &bytes);
} else if (!fwd) {
} else {
/* nevermind save this seq inc for next time */
rtp_session->seq--;
rtp_session->send_msg.header.seq = htons(rtp_session->seq);
@ -1589,7 +1588,7 @@ SWITCH_DECLARE(int) switch_rtp_write_frame(switch_rtp_t *rtp_session, switch_fra
if (switch_test_flag(frame, SFF_RTP_HEADER)) {
return switch_rtp_write_manual(rtp_session, frame->data, frame->datalen, frame->m, frame->payload,
(uint32_t)(frame->timestamp), frame->seq, frame->ssrc, &frame->flags);
(uint32_t)(frame->timestamp), frame->ssrc, &frame->flags);
}
if (fwd) {
@ -1620,9 +1619,10 @@ SWITCH_DECLARE(int) switch_rtp_write_frame(switch_rtp_t *rtp_session, switch_fra
SWITCH_DECLARE(int) switch_rtp_write_manual(switch_rtp_t *rtp_session,
void *data,
uint32_t datalen,
uint8_t m, switch_payload_t payload, uint32_t ts, uint16_t mseq, uint32_t ssrc, switch_frame_flag_t *flags)
uint8_t m, switch_payload_t payload, uint32_t ts, uint32_t ssrc, switch_frame_flag_t *flags)
{
switch_size_t bytes;
uint16_t mseq;
if (!switch_rtp_ready(rtp_session)) {
return -1;
@ -1636,6 +1636,8 @@ SWITCH_DECLARE(int) switch_rtp_write_manual(switch_rtp_t *rtp_session,
return -1;
}
rtp_session->seq++;
mseq = rtp_session->seq;
rtp_session->write_msg = rtp_session->send_msg;
rtp_session->write_msg.header.seq = htons(mseq);
rtp_session->write_msg.header.ts = htonl(ts);
@ -1660,8 +1662,12 @@ SWITCH_DECLARE(int) switch_rtp_write_manual(switch_rtp_t *rtp_session,
}
if (switch_socket_sendto(rtp_session->sock, rtp_session->remote_addr, 0, (void *) &rtp_session->write_msg, &bytes) != SWITCH_STATUS_SUCCESS) {
rtp_session->seq--;
return -1;
}
rtp_session->last_write_seq = rtp_session->seq;
return (int) bytes;
}