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Handle input_rate of 0 more correctly.

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Mike Brady
2026-05-30 22:40:52 +01:00
parent b3c9e76023
commit 6003f8f978
1 changed files with 3 additions and 9 deletions
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rtp.c
+3 -9
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@@ -1508,17 +1508,11 @@ int frame_to_ptp_local_time(uint32_t timestamp, uint64_t *time, rtsp_conn_info *
int result = -1;
uint32_t anchor_rtptime = 0;
uint64_t anchor_local_time = 0;
if (get_ptp_anchor_local_time_info(conn, &anchor_rtptime, &anchor_local_time) == clock_ok) {
if ((conn->input_rate != 0) && (get_ptp_anchor_local_time_info(conn, &anchor_rtptime, &anchor_local_time) == clock_ok)) {
int32_t frame_difference = timestamp - anchor_rtptime;
int64_t time_difference = frame_difference;
time_difference = time_difference * 1000000000;
if (conn->input_rate == 0) {
debug(1, "Connection %d: in a call to frame_to_ptp_local_time, conn->input_rate is zero!",
conn->connection_number);
time_difference = 0;
} else {
time_difference = time_difference / conn->input_rate;
}
time_difference = time_difference / conn->input_rate;
uint64_t ltime = anchor_local_time + time_difference;
*time = ltime;
result = 0;
@@ -1532,7 +1526,7 @@ int local_ptp_time_to_frame(uint64_t time, uint32_t *frame, rtsp_conn_info *conn
int result = -1;
uint32_t anchor_rtptime = 0;
uint64_t anchor_local_time = 0;
if (get_ptp_anchor_local_time_info(conn, &anchor_rtptime, &anchor_local_time) == clock_ok) {
if ((conn->input_rate != 0) && (get_ptp_anchor_local_time_info(conn, &anchor_rtptime, &anchor_local_time) == clock_ok)) {
int64_t time_difference = time - anchor_local_time;
int64_t frame_difference = time_difference;
frame_difference = frame_difference * conn->input_rate; // but this is by 10^9