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Janus: "Absolute Capture Time" RTP extension added (#320)

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for video.
This commit is contained in:
Sergey Radionov
2026-01-28 14:59:01 +07:00
committed by GitHub
parent 8adca998e9
commit 3b7592bb31
4 changed files with 14 additions and 0 deletions
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8
src/libs/tools.h
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@@ -85,6 +85,8 @@
#define US_ONCE(...) US_ONCE_FOR(once, __LINE__, ##__VA_ARGS__)
#define NTP_UNIX_TIME_DIFF 2208988800u // difference between Unix time and NTP time in seconds (1970 - 1900)
#define NTP_TICKS_IN_SECOND 4294967296u // ticks per second in NTP time
INLINE char *us_strdup(const char *str) {
char *const new = strdup(str);
@@ -141,6 +143,12 @@ INLINE u64 us_get_now_monotonic_u64(void) {
return (u64)(ts.tv_nsec / 1000) + (u64)ts.tv_sec * 1000000;
}
INLINE u64 us_get_now_ntp(void) {
struct timespec ts;
assert(!clock_gettime(CLOCK_REALTIME, &ts));
return (((u64)ts.tv_sec + NTP_UNIX_TIME_DIFF) << 32) + ((u64)ts.tv_nsec / 1000 * NTP_TICKS_IN_SECOND ) / 1000000;
}
INLINE u64 us_get_now_id(void) {
const u64 now = us_get_now_monotonic_u64();
return (u64)us_triple_u32(now) | ((u64)us_triple_u32(now + 12345) << 32);