Make feed_data more robust

[gst-aseq-appsrc.git] / gst-aseq-appsrc.c

diff --git a/gst-aseq-appsrc.c b/gst-aseq-appsrc.c
index 8b939e9..4988dc2 100644 (file)
--- a/gst-aseq-appsrc.c
+++ b/gst-aseq-appsrc.c
@@ -171,12 +171,11 @@ connect_ports (App * app)
 static void
 push_buffer (App * app, gpointer data, guint size)
 {
-  GstBuffer *buffer;
   GstClockTime time;
-  int ret;
   gpointer local_data;
+  GstBuffer *buffer;
+  int ret;
 
-  /* read the next chunk */
   buffer = gst_buffer_new ();
 
   time = app->tick * DEFAULT_TICK_PERIOD_MS * GST_MSECOND;
@@ -192,6 +191,8 @@ push_buffer (App * app, gpointer data, guint size)
       gst_memory_new_wrapped (0, local_data, size, 0, size, local_data,
           g_free));
 
+  GST_MEMDUMP ("MIDI data:", local_data, size);
+
   GST_DEBUG ("feed buffer %p, tick %" G_GUINT64_FORMAT " size: %u",
       (gpointer) buffer, app->tick, size);
   g_signal_emit_by_name (app->appsrc, "push-buffer", buffer, &ret);
@@ -221,14 +222,18 @@ feed_data (GstElement * appsrc, guint size, App * app)
   ret = poll (app->pfds, app->npfds, DEFAULT_POLL_TIMEOUT_MS);
   if (ret < 0) {
     GST_ERROR ("ERROR in poll: %s", strerror (errno));
+    gst_app_src_end_of_stream (GST_APP_SRC (appsrc));
   } else if (ret == 0) {
     push_tick_buffer (app);
   } else {
     do {
       snd_seq_event_t *event;
       err = snd_seq_event_input (app->seq, &event);
-      if (err < 0)
+      if (err < 0 && err != -EAGAIN) {
+        GST_ERROR ("Error in snd_seq_event_input: %s", snd_strerror (err));
+        gst_app_src_end_of_stream (GST_APP_SRC (appsrc));
         break;
+      }
       if (event) {
         size_ev =
             snd_midi_event_decode (app->parser, app->buffer, DEFAULT_BUFSIZE,
@@ -241,6 +246,7 @@ feed_data (GstElement * appsrc, guint size, App * app)
           } else {
             GST_ERROR ("Error decoding event from ALSA to output: %s",
                 strerror (-size_ev));
+            gst_app_src_end_of_stream (GST_APP_SRC (appsrc));
             break;
           }
         } else {