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RTC: Fast parse ssrc and find the publisher

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This commit is contained in:
winlin 2021-02-05 14:13:48 +08:00
parent cd06f2da0c
commit 80985c7307
3 changed files with 39 additions and 10 deletions
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3
trunk/src/kernel/srs_kernel_rtc_rtp.hpp
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@ -58,6 +58,9 @@ class SrsRtpRawPayload;
class SrsRtpFUAPayload2;
class SrsSharedPtrMessage;
// Fast parse the SSRC from RTP packet. Return 0 if invalid.
uint32_t srs_rtp_fast_parse_ssrc(char* buf, int size);
// The "distance" between two uint16 number, for example:
// distance(prev_value=3, value=5) === (int16_t)(uint16_t)((uint16_t)3-(uint16_t)5) === -2
// distance(prev_value=3, value=65534) === (int16_t)(uint16_t)((uint16_t)3-(uint16_t)65534) === 5