Update help information about password and stuffing modes. Quieten some debug messages.

Author: mikebrady

rtsp.c

@@ -1692,10 +1692,10 @@ void handle_pair_pin_start(rtsp_conn_info *conn, rtsp_message *req, rtsp_message
       free(conn->ap2_client_name);
     conn->ap2_client_name = strdup(hdr);
   }
-  debug(1, "Connection %d from \"%s\": handle_pair_pin_start, Content-Length %d", conn->connection_number,
+  debug(4, "Connection %d from \"%s\": handle_pair_pin_start, Content-Length %d", conn->connection_number,
         conn->ap2_client_name,
         req->contentlength);
-  debug_log_rtsp_message_conn(conn, 1, "handle_pair_pin_start", req);
+  debug_log_rtsp_message_conn(conn, 4, "handle_pair_pin_start", req);
 
   uint8_t *body = NULL;
   size_t body_len = 0;
@@ -1704,7 +1704,7 @@ void handle_pair_pin_start(rtsp_conn_info *conn, rtsp_message *req, rtsp_message
   resp->contentlength = body_len;
   if (body != NULL)
     msg_add_header(resp, "Content-Type", "application/octet-stream");
-  debug_log_rtsp_message(1, "pair-pin-start response", resp);
+  debug_log_rtsp_message(4, "pair-pin-start response", resp);
 }
 
 void handle_pair_setup(rtsp_conn_info *conn, rtsp_message *req, rtsp_message *resp) {

shairport.c

@@ -326,14 +326,15 @@ void usage(char *progname) {
     printf("    -v, --verbose           Print debug information; -v some; -vv more; -vvv lots -- generally too much.\n");
     printf("    -c, --configfile=FILE   Read configuration settings from FILE. Default is %s.\n", configuration_file_path);
     printf("    -a, --name=NAME         Set service name. Default is the hostname with first letter capitalised.\n");
-    printf("    --password=PASSWORD     Require PASSWORD to connect. Default is no password. (Classic AirPlay only.)\n");
+    printf("    --password=PASSWORD     Require PASSWORD to connect. Default is no password.\n");
     printf("    -p, --port=PORT         Set RTSP listening port. Default 5000; 7000 for AirPlay 2.\n");
     printf("    -L, --latency=FRAMES    [Deprecated] Set the latency for audio sent from an unknown device.\n");
     printf("                            The default is to set it automatically.\n");
     printf("    -S, --stuffing=MODE     Set how to adjust current latency to match desired latency, where:\n");
-    printf("                            \"basic\" inserts or deletes audio frames from packet frames with low processor overhead, and\n");
-    printf("                            \"soxr\" uses libsoxr to minimally resample packet frames -- moderate processor overhead.\n");
-    printf("                            The default \"auto\" setting chooses basic or soxr depending on processor capability.\n");
+    printf("                            \"vernier\" recodes a packet of frames to a new packet containing more or fewer frames. Recommended for low powered devices;\n");
+    printf("                            \"basic\" inserts or deletes audio frames from packet frames with low processor overhead; and\n");
+    printf("                            \"soxr\" uses libsoxr to minimally resample packet frames -- moderate floating point processor overhead.\n");
+    printf("                            The default \"auto\" setting chooses vernier or soxr depending on processor capability.\n");
     printf("                            The \"soxr\" option is only available if built with soxr support.\n");
     printf("    -B, --on-start=PROGRAM  Run PROGRAM when playback is about to begin.\n");
     printf("    -E, --on-stop=PROGRAM   Run PROGRAM when playback has ended.\n");