v4l2bufferpool: Validate that capture buffers were queued

[platform/upstream/gst-plugins-good.git] / sys / v4l2 / gstv4l2bufferpool.c

diff --git a/sys/v4l2/gstv4l2bufferpool.c b/sys/v4l2/gstv4l2bufferpool.c
index 055b4ef..7dd862f 100644 (file)
--- a/sys/v4l2/gstv4l2bufferpool.c
+++ b/sys/v4l2/gstv4l2bufferpool.c
@@ -870,6 +870,9 @@ gst_v4l2_buffer_pool_start (GstBufferPool * bpool)
     goto start_failed;
 
   if (!V4L2_TYPE_IS_OUTPUT (obj->type)) {
+    if (g_atomic_int_get (&pool->num_queued) < min_buffers)
+      goto queue_failed;
+
     pool->group_released_handler =
         g_signal_connect_swapped (pool->vallocator, "group-released",
         G_CALLBACK (gst_v4l2_buffer_pool_resurect_buffer), pool);
@@ -904,6 +907,11 @@ other_pool_failed:
         GST_PTR_FORMAT, pool->other_pool);
     return FALSE;
   }
+queue_failed:
+  {
+    GST_ERROR_OBJECT (pool, "failed to queue buffers into the capture queue");
+    return FALSE;
+  }
 }
 
 static gboolean