]> git.ipfire.org Git - thirdparty/shairport-sync.git/commitdiff
clang
authorMike Brady <4265913+mikebrady@users.noreply.github.com>
Wed, 12 May 2021 10:00:41 +0000 (11:00 +0100)
committerMike Brady <4265913+mikebrady@users.noreply.github.com>
Wed, 12 May 2021 10:00:41 +0000 (11:00 +0100)
rtp.c

diff --git a/rtp.c b/rtp.c
index 3193eacb7c18b127606617567e57eea0430f555a..c3cc39389a979fbcd9d5527216f42756c49d5505 100644 (file)
--- a/rtp.c
+++ b/rtp.c
@@ -290,8 +290,8 @@ void *rtp_control_receiver(void *arg) {
                                                                 obfp += 2;
                                                               };
                                                               *obfp = 0;
-
-
+                                             
+                                             
                                                               // get raw timestamp information
                                                               // I think that a good way to understand these timestamps is that
                                                               // (1) the rtlt below is the timestamp of the frame that should be playing at the
@@ -302,19 +302,19 @@ void *rtp_control_receiver(void *arg) {
                                                               // Thus, (3) the latency can be calculated by subtracting the second from the
                                                               // first.
                                                               // There must be more to it -- there something missing.
-
+                                             
                                                               // In addition, it seems that if the value of the short represented by the second
                                                               // pair of bytes in the packet is 7
                                                               // then an extra time lag is expected to be added, presumably by
                                                               // the AirPort Express.
-
+                                             
                                                               // Best guess is that this delay is 11,025 frames.
-
+                                             
                                                               uint32_t rtlt = nctohl(&packet[4]); // raw timestamp less latency
                                                               uint32_t rt = nctohl(&packet[16]);  // raw timestamp
-
+                                             
                                                               uint32_t fl = nctohs(&packet[2]); //
-
+                                             
                                                               debug(1,"Sync Packet of %d bytes received: \"%s\", flags: %d, timestamps %u and %u,
                                                           giving a latency of %d frames.",plen,obf,fl,rt,rtlt,rt-rtlt);
                                                               //debug(1,"Monotonic timestamps are: %" PRId64 " and %" PRId64 "
@@ -369,7 +369,8 @@ void *rtp_control_receiver(void *arg) {
               if ((flags == 7) || ((conn->AirPlayVersion > 0) && (conn->AirPlayVersion <= 353)) ||
                   ((conn->AirPlayVersion > 0) && (conn->AirPlayVersion >= 371))) {
                 la += config.fixedLatencyOffset;
-                 // debug(1, "Latency offset by %" PRIu32" frames due to the source flags and version giving a latency of %" PRIu32 " frames.", config.fixedLatencyOffset, la);
+                // debug(1, "Latency offset by %" PRIu32" frames due to the source flags and version
+                // giving a latency of %" PRIu32 " frames.", config.fixedLatencyOffset, la);
               }
               if ((conn->maximum_latency) && (conn->maximum_latency < la))
                 la = conn->maximum_latency;
@@ -391,7 +392,8 @@ void *rtp_control_receiver(void *arg) {
                 int32_t latency_offset =
                     (int32_t)(config.audio_backend_latency_offset * conn->input_rate);
 
-                // debug(1,"latency offset is %" PRId32 ", input rate is %u", latency_offset, conn->input_rate);
+                // debug(1,"latency offset is %" PRId32 ", input rate is %u", latency_offset,
+                // conn->input_rate);
                 int32_t adjusted_latency = latency_offset + (int32_t)la;
                 if ((adjusted_latency < 0) ||
                     (adjusted_latency >
@@ -408,8 +410,8 @@ void *rtp_control_receiver(void *arg) {
                         ", minimum latency: %" PRIu32 ", maximum "
                         "latency: %" PRIu32 ", fixed offset: %" PRIu32
                         ", audio_backend_latency_offset: %f.",
-                        conn->latency, sync_rtp_timestamp - rtp_timestamp_less_latency, conn->minimum_latency,
-                        conn->maximum_latency, config.fixedLatencyOffset,
+                        conn->latency, sync_rtp_timestamp - rtp_timestamp_less_latency,
+                        conn->minimum_latency, conn->maximum_latency, config.fixedLatencyOffset,
                         config.audio_backend_latency_offset);
                 }
               }