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fix parsing of report blocks in linphone_call_stats_get_sender_loss_rate() and linphone_call_stats_get_receiver_loss_rate()

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This commit is contained in:
Simon Morlat 2017-03-10 16:36:17 +01:00
parent caad3e4693
commit 16a50a628d
1 changed files with 18 additions and 8 deletions
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26
coreapi/linphonecall.c
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@ -4156,10 +4156,15 @@ float linphone_call_stats_get_sender_loss_rate(const LinphoneCallStats *stats) {
/* Perform msgpullup() to prevent crashes in rtcp_is_SR() or rtcp_is_RR() if the RTCP packet is composed of several mblk_t structure */
if (stats->sent_rtcp->b_cont != NULL)
msgpullup(stats->sent_rtcp, -1);
if (rtcp_is_SR(stats->sent_rtcp))
srb = rtcp_SR_get_report_block(stats->sent_rtcp, 0);
else if (rtcp_is_RR(stats->sent_rtcp))
srb = rtcp_RR_get_report_block(stats->sent_rtcp, 0);
do{
if (rtcp_is_SR(stats->sent_rtcp))
srb = rtcp_SR_get_report_block(stats->sent_rtcp, 0);
else if (rtcp_is_RR(stats->sent_rtcp))
srb = rtcp_RR_get_report_block(stats->sent_rtcp, 0);
if (srb) break;
}while (rtcp_next_packet(stats->sent_rtcp));
rtcp_rewind(stats->sent_rtcp);
if (!srb)
return 0.0;
return 100.0f * report_block_get_fraction_lost(srb) / 256.0f;
@ -4173,10 +4178,15 @@ float linphone_call_stats_get_receiver_loss_rate(const LinphoneCallStats *stats)
/* Perform msgpullup() to prevent crashes in rtcp_is_SR() or rtcp_is_RR() if the RTCP packet is composed of several mblk_t structure */
if (stats->received_rtcp->b_cont != NULL)
msgpullup(stats->received_rtcp, -1);
if (rtcp_is_RR(stats->received_rtcp))
rrb = rtcp_RR_get_report_block(stats->received_rtcp, 0);
else if (rtcp_is_SR(stats->received_rtcp))
rrb = rtcp_SR_get_report_block(stats->received_rtcp, 0);
do{
if (rtcp_is_RR(stats->received_rtcp))
rrb = rtcp_RR_get_report_block(stats->received_rtcp, 0);
else if (rtcp_is_SR(stats->received_rtcp))
rrb = rtcp_SR_get_report_block(stats->received_rtcp, 0);
if (rrb) break;
}while (rtcp_next_packet(stats->sent_rtcp));
rtcp_rewind(stats->sent_rtcp);
if (!rrb)
return 0.0;
return 100.0f * report_block_get_fraction_lost(rrb) / 256.0f;