diff --git a/src/format.h b/src/format.h
index 1b518dce..49a2ff95 100644
--- a/src/format.h
+++ b/src/format.h
@@ -48,6 +48,7 @@ typedef struct _format_plugin_tag
     refbuf_t *(*get_buffer)(source_t *);
     int (*write_buf_to_client)(client_t *client);
     void (*write_buf_to_file)(source_t *source, refbuf_t *refbuf);
+    void (*on_file_close)(source_t *source);
     int (*create_client_data)(source_t *source, client_t *client);
     void (*set_tag)(struct _format_plugin_tag *plugin, const char *tag, const char *value, const char *charset);
     void (*free_plugin)(struct _format_plugin_tag *self);
diff --git a/src/format_ebml.c b/src/format_ebml.c
index b7954b87..b3318904 100644
--- a/src/format_ebml.c
+++ b/src/format_ebml.c
@@ -172,6 +172,7 @@ static void ebml_free_plugin(format_plugin_t *plugin);
 static refbuf_t *ebml_get_buffer(source_t *source);
 static int ebml_write_buf_to_client(client_t *client);
 static void ebml_write_buf_to_file(source_t *source, refbuf_t *refbuf);
+static void ebml_on_file_close(source_t *source);
 static int ebml_create_client_data(source_t *source, client_t *client);
 static void ebml_free_client_data(client_t *client);
 
@@ -206,6 +207,7 @@ int format_ebml_get_plugin(source_t *source)
     plugin->create_client_data = ebml_create_client_data;
     plugin->free_plugin = ebml_free_plugin;
     plugin->write_buf_to_file = ebml_write_buf_to_file;
+    plugin->on_file_close = ebml_on_file_close;
     plugin->set_tag = NULL;
     plugin->apply_settings = NULL;
 
@@ -380,6 +382,12 @@ static void ebml_write_buf_to_file (source_t *source, refbuf_t *refbuf)
     source_write_dumpfile(source, refbuf->data, refbuf->len);
 }
 
+static void ebml_on_file_close(source_t *source)
+{
+    ebml_source_state_t *ebml_source_state = source->format->_state;
+    ebml_source_state->file_headers_written = false;
+}
+
 /* internal ebml parsing */
 
 static void ebml_destroy(ebml_t *ebml)
diff --git a/src/format_ogg.c b/src/format_ogg.c
index 315e9705..03d294da 100644
--- a/src/format_ogg.c
+++ b/src/format_ogg.c
@@ -62,6 +62,7 @@ static int create_ogg_client_data(source_t *source, client_t *client);
 static void free_ogg_client_data(client_t *client);
 
 static void write_ogg_to_file(source_t *source, refbuf_t *refbuf);
+static void on_file_close(source_t *source);
 static refbuf_t *ogg_get_buffer(source_t *source);
 static int write_buf_to_client(client_t *client);
 
@@ -170,6 +171,7 @@ int format_ogg_get_plugin(source_t *source)
     plugin->get_buffer = ogg_get_buffer;
     plugin->write_buf_to_client = write_buf_to_client;
     plugin->write_buf_to_file = write_ogg_to_file;
+    plugin->on_file_close = on_file_close;
     plugin->create_client_data = create_ogg_client_data;
     plugin->free_plugin = format_ogg_free_plugin;
     plugin->set_tag = NULL;
@@ -584,3 +586,9 @@ static void write_ogg_to_file (source_t *source, refbuf_t *refbuf)
     }
     source_write_dumpfile(source, refbuf->data, refbuf->len);
 }
+
+static void on_file_close(source_t *source)
+{
+    ogg_state_t *ogg_info = source->format->_state;
+    ogg_info->file_headers = NULL;
+}
diff --git a/src/source.c b/src/source.c
index e9206d76..c87c189b 100644
--- a/src/source.c
+++ b/src/source.c
@@ -615,14 +615,37 @@ static void send_to_listener (source_t *source, client_t *client, int deletion_e
 /* Open the file for stream dumping.
  * This function should do all processing of the filename.
  */
-static void source_open_dumpfile(source_t *source) {
+static bool source_open_dumpfile(source_t *source)
+{
     const char *filename = source->dumpfilename;
 #ifndef _WIN32
     /* some of the below functions seems not to be standard winapi functions */
     time_t curtime = time(NULL);
     char buffer[PATH_MAX];
     struct tm *loctime;
+#endif
 
+    if (!filename) {
+        ICECAST_LOG_WARN("Can not open dump file for source %#H. No filename defined.", source->mount);
+        event_emit_clientevent("dumpfile-error", NULL, source->mount);
+        return false;
+    }
+
+    if (source->dumpfile) {
+        ICECAST_LOG_WARN("Can not open dump file for source %#H. Dump already running.", source->mount);
+        event_emit_clientevent("dumpfile-error", NULL, source->mount);
+        return false;
+    }
+
+    if (!source->format->write_buf_to_file) {
+        ICECAST_LOG_WARN("Can not open dump file for source %#H. format does not support dumping.", source->mount);
+        event_emit_clientevent("dumpfile-error", NULL, source->mount);
+        return false;
+    }
+
+    ICECAST_LOG_DDEBUG("source=%p{.mount=%#H, .burst_point=%p, .stream_data=%p, .stream_data_tail=%p, ...}", source, source->mount, source->burst_point, source->stream_data, source->stream_data_tail);
+
+#ifndef _WIN32
     /* Convert it to local time representation. */
     loctime = localtime(&curtime);
 
@@ -636,9 +659,13 @@ static void source_open_dumpfile(source_t *source) {
         source->dumpfile_start = curtime;
         stats_event(source->mount, "dumpfile_written", "0");
         stats_event_time_iso8601(source->mount, "dumpfile_start");
+        event_emit_clientevent("dumpfile-opened", NULL, source->mount);
+        return true;
     } else {
-        ICECAST_LOG_WARN("Cannot open dump file \"%s\" for appending: %s, disabling.",
-                source->dumpfilename, strerror(errno));
+        ICECAST_LOG_WARN("Cannot open dump file for source %#H with filename %#H for appending: %s, disabling.",
+                source->mount, source->dumpfilename, strerror(errno));
+        event_emit_clientevent("dumpfile-error", NULL, source->mount);
+        return false;
     }
 }
 
@@ -1527,11 +1554,15 @@ void source_kill_dumpfile(source_t *source)
     if (!source->dumpfile)
         return;
 
+    if (source->format && source->format->on_file_close)
+        source->format->on_file_close(source);
+
     fclose(source->dumpfile);
     source->dumpfile = NULL;
     source->dumpfile_written = 0;
     stats_event(source->mount, "dumpfile_written", NULL);
     stats_event(source->mount, "dumpfile_start", NULL);
+    event_emit_clientevent("dumpfile-closed", NULL, source->mount);
 }
 
 health_t source_get_health(source_t *source)