basesrc: Shut down the pad task when the initial seek fails.

Set the pad flushing and stop the pad task when the initial seek fails
during activation. Avoids racy calls into the _create() function when
BaseSrc::stop() has already run.

Fixes: #603059

Also, fix some misspelled comments.

1 files changed, 7 insertions, 2 deletions

diff --git a/libs/gst/base/gstbasesrc.c b/libs/gst/base/gstbasesrc.c
index b46079b0b0..39f748340c 100644
--- a/libs/gst/base/gstbasesrc.c
+++ b/libs/gst/base/gstbasesrc.c
@@ -1376,7 +1376,7 @@ gst_base_src_perform_seek (GstBaseSrc * src, GstEvent * event, gboolean unlock)
     res = FALSE;
   }
 
-  /* if successfull seek, we update our real segment and push
+  /* if the seek was successful, we update our real segment and push
    * out the new segment. */
   if (res) {
     memcpy (&src->segment, &seeksegment, sizeof (GstSegment));
@@ -1421,7 +1421,7 @@ gst_base_src_perform_seek (GstBaseSrc * src, GstEvent * event, gboolean unlock)
 
   src->priv->discont = TRUE;
   src->data.ABI.running = TRUE;
-  /* and restart the task in case it got paused explicitely or by
+  /* and restart the task in case it got paused explicitly or by
    * the FLUSH_START event we pushed out. */
   tres = gst_pad_start_task (src->srcpad, (GstTaskFunction) gst_base_src_loop,
       src->srcpad);
@@ -2863,6 +2863,11 @@ error_start:
 seek_failed:
   {
     GST_ERROR_OBJECT (basesrc, "Failed to perform initial seek");
+    /* flush all */
+    gst_base_src_set_flushing (basesrc, TRUE, FALSE, TRUE, NULL);
+    /* stop the task */
+    gst_pad_stop_task (pad);
+    /* Stop the basesrc */
     gst_base_src_stop (basesrc);
     if (event)
       gst_event_unref (event);