chiark / gitweb /
Fix a race between track startup and scratching. Basically if the
[disorder] / server / play.c
index bd27474ce40a17ebd3ca23e4a672b4a25cbdfb21..c447aa798d18487970b6fcd9edb53ce2f7aab5b8 100644 (file)
@@ -44,6 +44,7 @@
 #include "configuration.h"
 #include "queue.h"
 #include "server-queue.h"
+#include "rights.h"
 #include "trackdb.h"
 #include "play.h"
 #include "plugin.h"
@@ -110,10 +111,11 @@ static int speaker_readable(ev_source *ev, int fd,
     D(("SM_PAUSED %s %ld", sm.id, sm.data));
     playing->sofar = sm.data;
     break;
-  case SM_FINISHED:
-    /* the playing track finished */
-    D(("SM_FINISHED %s", sm.id));
-    finished(ev);
+  case SM_FINISHED:                    /* scratched the playing track */
+  case SM_STILLBORN:                   /* scratched too early */
+  case SM_UNKNOWN:                     /* scratched WAY too early */
+    if(playing && !strcmp(sm.id, playing->id))
+      finished(ev);
     break;
   case SM_PLAYING:
     /* track ID is playing, DATA seconds played */
@@ -312,14 +314,16 @@ static int start(ev_source *ev,
 
   memset(&sm, 0, sizeof sm);
   D(("start %s %d", q->id, prepare_only));
-  if(find_player_pid(q->id) > 0) {
-    if(prepare_only) return START_OK;
-    /* We have already prepared this track so we just need to tell the speaker
-     * process to start actually playing the queued up audio data */
-    strcpy(sm.id, q->id);
-    sm.type = SM_PLAY;
-    speaker_send(speaker_fd, &sm);
-    D(("sent SM_PLAY for %s", sm.id));
+  if(q->prepared) {
+    /* The track is alraedy prepared */
+    if(!prepare_only) {
+      /* We want to run it, since it's prepared the answer is to tell the
+       * speaker to set it off */
+      strcpy(sm.id, q->id);
+      sm.type = SM_PLAY;
+      speaker_send(speaker_fd, &sm);
+      D(("sent SM_PLAY for %s", sm.id));
+    }
     return START_OK;
   }
   /* Find the player plugin. */
@@ -396,7 +400,7 @@ static int start(ev_source *ev,
          memset(&addr, 0, sizeof addr);
          addr.sun_family = AF_UNIX;
          snprintf(addr.sun_path, sizeof addr.sun_path,
-                  "%s/speaker", config->home);
+                  "%s/speaker/socket", config->home);
          sfd = xsocket(PF_UNIX, SOCK_STREAM, 0);
          if(connect(sfd, (const struct sockaddr *)&addr, sizeof addr) < 0)
            fatal(errno, "connecting to %s", addr.sun_path);
@@ -424,6 +428,7 @@ static int start(ev_source *ev,
           * (but it should be for play_track() */
          execlp("disorder-normalize", "disorder-normalize",
                 log_default == &log_syslog ? "--syslog" : "--no-syslog",
+                "--config", configfile,
                 (char *)0);
          fatal(errno, "executing disorder-normalize");
          /* end of the innermost fork */
@@ -478,6 +483,7 @@ static int start(ev_source *ev,
     return START_SOFTFAIL;
   }
   store_player_pid(q->id, pid);
+  q->prepared = 1;
   if(lfd != -1)
     xclose(lfd);
   setpgid(pid, pid);