vkdecoder: init debug category earlier

The decoder has not been created if the codec is not supported by
the hardware, so the GST_WARNING_OBJECT will fail to find a suitable
category.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/8138>

diff --git a/subprojects/gst-plugins-bad/gst-libs/gst/vulkan/gstvkdecoder-private.c b/subprojects/gst-plugins-bad/gst-libs/gst/vulkan/gstvkdecoder-private.c
index 9d68bc924dbaec8f9bd889afa48b8cc20b5d816d..8374840f9a998701898fd8da57716ed606174569 100644 (file)
--- a/subprojects/gst-plugins-bad/gst-libs/gst/vulkan/gstvkdecoder-private.c
+++ b/subprojects/gst-plugins-bad/gst-libs/gst/vulkan/gstvkdecoder-private.c
@@ -66,9 +66,7 @@ GST_DEBUG_CATEGORY (GST_CAT_DEFAULT);
 
 #define gst_vulkan_decoder_parent_class parent_class
 G_DEFINE_TYPE_WITH_CODE (GstVulkanDecoder, gst_vulkan_decoder,
-    GST_TYPE_OBJECT, G_ADD_PRIVATE (GstVulkanDecoder)
-    GST_DEBUG_CATEGORY_INIT (gst_vulkan_decoder_debug,
-        "vulkandecoder", 0, "Vulkan device decoder"));
+    GST_TYPE_OBJECT, G_ADD_PRIVATE (GstVulkanDecoder));
 
 static GstVulkanHandle *gst_vulkan_decoder_new_video_session_parameters
     (GstVulkanDecoder * self, GstVulkanDecoderParameters * params,
@@ -1301,6 +1299,7 @@ gst_vulkan_decoder_new_from_queue (GstVulkanQueue * queue, guint codec)
   GstVulkanDecoder *decoder;
   guint flags, expected_flag, supported_video_ops;
   const char *extension;
+  static gsize cat_gonce = 0;
 
   g_return_val_if_fail (GST_IS_VULKAN_QUEUE (queue), NULL);
 
@@ -1309,6 +1308,12 @@ gst_vulkan_decoder_new_from_queue (GstVulkanQueue * queue, guint codec)
   flags = device->queue_family_props[queue->family].queueFlags;
   supported_video_ops = device->queue_family_ops[queue->family].video;
 
+  if (g_once_init_enter (&cat_gonce)) {
+    GST_DEBUG_CATEGORY_INIT (gst_vulkan_decoder_debug,
+        "vulkandecoder", 0, "Vulkan device decoder");
+    g_once_init_leave (&cat_gonce, TRUE);
+  }
+
   if (device->properties.apiVersion < VK_MAKE_VERSION (1, 3, 275)) {
     GST_WARNING_OBJECT (queue,
         "Driver API version [%d.%d.%d] doesn't support Video extensions",