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FS-11056: [core] fix RTCP lost calculation

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RTCP/Receiver Report/lost field is a _signed_ 24bit integer and it could be negative (in case of UDP duplication)
+ any negatives now threated as huge uint32_t
+ set this field properly on __BIG_ENDIAN
+ correctly read this value in received RTCP on all arches
This commit is contained in:
Sergey Khripchenko
2018-02-28 08:27:30 -08:00
committed by Mike Jerris
parent c093b2d33d
commit f444f7a6f4
2 changed files with 11 additions and 4 deletions
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src/include/switch_rtcp_frame.h
+1 -1
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@@ -45,7 +45,7 @@ SWITCH_BEGIN_EXTERN_C
struct switch_rtcp_report_block_frame {
uint32_t ssrc; /* The SSRC identifier of the source to which the information in this reception report block pertains. */
uint8_t fraction; /* The fraction of RTP data packets from source SSRC_n lost since the previous SR or RR packet was sent */
uint32_t lost; /* The total number of RTP data packets from source SSRC_n that have been lost since the beginning of reception */
int32_t lost; /* The total number of RTP data packets from source SSRC_n that have been lost since the beginning of reception. could be negative. */
uint32_t highest_sequence_number_received;
uint32_t jitter; /* An estimate of the statistical variance of the RTP data packet interarrival time, measured in timestamp units and expressed as an unsigned integer. */
uint32_t lsr; /* The middle 32 bits out of 64 in the NTP timestamp */