vaapidecodebin: notify if vpp is disabled

When the system is aware that VPP is not available by the VA driver,
it would be useful to notify to the user that the disable-vpp property
has changed.

https://bugzilla.gnome.org/show_bug.cgi?id=749554

1 files changed, 28 insertions, 26 deletions

diff --git a/gst/vaapi/gstvaapidecodebin.c b/gst/vaapi/gstvaapidecodebin.c
index f147f1c5..cbedbb22 100644
--- a/gst/vaapi/gstvaapidecodebin.c
+++ b/gst/vaapi/gstvaapidecodebin.c
@@ -47,9 +47,12 @@ enum
   PROP_MAX_SIZE_BYTES,
   PROP_MAX_SIZE_TIME,
   PROP_DEINTERLACE_METHOD,
-  PROP_DISABLE_VPP
+  PROP_DISABLE_VPP,
+  PROP_LAST
 };
 
+static GParamSpec *properties[PROP_LAST];
+
 #define GST_VAAPI_DECODE_BIN_SURFACE_CAPS \
     GST_VIDEO_CAPS_MAKE_WITH_FEATURES(  \
         GST_CAPS_FEATURE_MEMORY_VAAPI_SURFACE, "{ ENCODED, I420, YV12, NV12 }")
@@ -275,6 +278,8 @@ gst_vaapi_decode_bin_handle_message (GstBin * bin, GstMessage * message)
     GST_WARNING_OBJECT (vaapidecbin, "VA driver doesn't support VPP");
     if (!vaapidecbin->disable_vpp) {
       vaapidecbin->disable_vpp = TRUE;
+      g_object_notify_by_pspec (G_OBJECT (vaapidecbin),
+          properties[PROP_DISABLE_VPP]);
     }
   }
 
@@ -308,31 +313,28 @@ gst_vaapi_decode_bin_class_init (GstVaapiDecodeBinClass * klass)
       GST_PLUGIN_DESC,
       "Sreerenj Balachandran <sreerenj.balachandran@intel.com>");
 
-  g_object_class_install_property (gobject_class, PROP_MAX_SIZE_BYTES,
-      g_param_spec_uint ("max-size-bytes", "Max. size (kB)",
-          "Max. amount of data in the queue (bytes, 0=disable)",
-          0, G_MAXUINT, DEFAULT_QUEUE_MAX_SIZE_BYTES,
-          G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
-  g_object_class_install_property (gobject_class, PROP_MAX_SIZE_BUFFERS,
-      g_param_spec_uint ("max-size-buffers", "Max. size (buffers)",
-          "Max. number of buffers in the queue (0=disable)", 0, G_MAXUINT,
-          DEFAULT_QUEUE_MAX_SIZE_BUFFERS,
-          G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
-  g_object_class_install_property (gobject_class, PROP_MAX_SIZE_TIME,
-      g_param_spec_uint64 ("max-size-time", "Max. size (ns)",
-          "Max. amount of data in the queue (in ns, 0=disable)", 0, G_MAXUINT64,
-          DEFAULT_QUEUE_MAX_SIZE_TIME,
-          G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
-  g_object_class_install_property (gobject_class, PROP_DEINTERLACE_METHOD,
-      g_param_spec_enum ("deinterlace-method", "Deinterlace method",
-          "Deinterlace method to use", GST_VAAPI_TYPE_DEINTERLACE_METHOD,
-          DEFAULT_DEINTERLACE_METHOD,
-          G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
-  g_object_class_install_property (gobject_class, PROP_DISABLE_VPP,
-      g_param_spec_boolean ("disable-vpp",
-          "Disable VPP",
-          "Disable Video Post Processing(No support for run time disabling)",
-          FALSE, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
+  properties[PROP_MAX_SIZE_BYTES] = g_param_spec_uint ("max-size-bytes",
+      "Max. size (kB)", "Max. amount of data in the queue (bytes, 0=disable)",
+      0, G_MAXUINT, DEFAULT_QUEUE_MAX_SIZE_BYTES,
+      G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS);
+  properties[PROP_MAX_SIZE_BUFFERS] = g_param_spec_uint ("max-size-buffers",
+      "Max. size (buffers)", "Max. number of buffers in the queue (0=disable)",
+      0, G_MAXUINT, DEFAULT_QUEUE_MAX_SIZE_BUFFERS,
+      G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS);
+  properties[PROP_MAX_SIZE_TIME] = g_param_spec_uint64 ("max-size-time",
+      "Max. size (ns)", "Max. amount of data in the queue (in ns, 0=disable)",
+      0, G_MAXUINT64, DEFAULT_QUEUE_MAX_SIZE_TIME,
+      G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS);
+  properties[PROP_DEINTERLACE_METHOD] = g_param_spec_enum ("deinterlace-method",
+      "Deinterlace method", "Deinterlace method to use",
+      GST_VAAPI_TYPE_DEINTERLACE_METHOD, DEFAULT_DEINTERLACE_METHOD,
+      G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS);
+  properties[PROP_DISABLE_VPP] = g_param_spec_boolean ("disable-vpp",
+      "Disable VPP",
+      "Disable Video Post Processing (No support for run time disabling)",
+      FALSE, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS);
+
+  g_object_class_install_properties (gobject_class, PROP_LAST, properties);
 
   gst_element_class_add_pad_template (element_class,
       gst_static_pad_template_get (&gst_vaapi_decode_bin_sink_factory));