change getcaps to query

ext/assrender/gstassrender.c

@@ -104,6 +104,7 @@ static gboolean gst_ass_render_event_video (GstPad * pad, GstEvent * event);
 static gboolean gst_ass_render_event_text (GstPad * pad, GstEvent * event);
 static gboolean gst_ass_render_event_src (GstPad * pad, GstEvent * event);
 
+static gboolean gst_ass_render_query_video (GstPad * pad, GstQuery * query);
 static gboolean gst_ass_render_query_src (GstPad * pad, GstQuery * query);
 
 /* initialize the plugin's class */
@@ -176,11 +177,6 @@ gst_ass_render_init (GstAssRender * render)
   render->text_sinkpad =
       gst_pad_new_from_static_template (&text_sink_factory, "text_sink");
 
-  gst_pad_set_getcaps_function (render->srcpad,
-      GST_DEBUG_FUNCPTR (gst_ass_render_getcaps));
-  gst_pad_set_getcaps_function (render->video_sinkpad,
-      GST_DEBUG_FUNCPTR (gst_ass_render_getcaps));
-
   gst_pad_set_chain_function (render->video_sinkpad,
       GST_DEBUG_FUNCPTR (gst_ass_render_chain_video));
   gst_pad_set_chain_function (render->text_sinkpad,
@@ -195,6 +191,8 @@ gst_ass_render_init (GstAssRender * render)
 
   gst_pad_set_query_function (render->srcpad,
       GST_DEBUG_FUNCPTR (gst_ass_render_query_src));
+  gst_pad_set_query_function (render->video_sinkpad,
+      GST_DEBUG_FUNCPTR (gst_ass_render_query_video));
 
   gst_element_add_pad (GST_ELEMENT (render), render->srcpad);
   gst_element_add_pad (GST_ELEMENT (render), render->video_sinkpad);
@@ -355,12 +353,27 @@ static gboolean
 gst_ass_render_query_src (GstPad * pad, GstQuery * query)
 {
   GstAssRender *render = GST_ASS_RENDER (gst_pad_get_parent (pad));
-  gboolean ret;
+  gboolean res = FALSE;
 
-  ret = gst_pad_peer_query (render->video_sinkpad, query);
+  switch (GST_QUERY_TYPE (query)) {
+    case GST_QUERY_CAPS:
+    {
+      GstCaps *filter, *caps;
+
+      gst_query_parse_caps (query, &filter);
+      caps = gst_ass_render_getcaps (pad, filter);
+      gst_query_set_caps_result (query, caps);
+      gst_caps_unref (caps);
+      res = TRUE;
+      break;
+    }
+    default:
+      res = gst_pad_query_default (pad, query);
+      break;
+  }
 
   gst_object_unref (render);
-  return ret;
+  return res;
 }
 
 static gboolean
@@ -1274,6 +1287,33 @@ gst_ass_render_event_video (GstPad * pad, GstEvent * event)
   return ret;
 }
 
+static gboolean
+gst_ass_render_query_video (GstPad * pad, GstQuery * query)
+{
+  GstAssRender *render = GST_ASS_RENDER (gst_pad_get_parent (pad));
+  gboolean res = FALSE;
+
+  switch (GST_QUERY_TYPE (query)) {
+    case GST_QUERY_CAPS:
+    {
+      GstCaps *filter, *caps;
+
+      gst_query_parse_caps (query, &filter);
+      caps = gst_ass_render_getcaps (pad, filter);
+      gst_query_set_caps_result (query, caps);
+      gst_caps_unref (caps);
+      res = TRUE;
+      break;
+    }
+    default:
+      res = gst_pad_query_default (pad, query);
+      break;
+  }
+
+  gst_object_unref (render);
+  return res;
+}
+
 static gboolean
 gst_ass_render_event_text (GstPad * pad, GstEvent * event)
 {

gst-libs/gst/video/gstbasevideoencoder.c

@@ -121,6 +121,8 @@ static gboolean gst_base_video_encoder_src_event (GstPad * pad,
     GstEvent * event);
 static gboolean gst_base_video_encoder_sink_event (GstPad * pad,
     GstEvent * event);
+static gboolean gst_base_video_encoder_sink_query (GstPad * pad,
+    GstQuery * query);
 static GstFlowReturn gst_base_video_encoder_chain (GstPad * pad,
     GstBuffer * buf);
 static GstStateChangeReturn gst_base_video_encoder_change_state (GstElement *
@@ -130,8 +132,7 @@ static gboolean gst_base_video_encoder_src_query (GstPad * pad,
 
 #define gst_base_video_encoder_parent_class parent_class
 G_DEFINE_TYPE_WITH_CODE (GstBaseVideoEncoder, gst_base_video_encoder,
-    GST_TYPE_BASE_VIDEO_CODEC, G_IMPLEMENT_INTERFACE (GST_TYPE_PRESET, NULL);
+    GST_TYPE_BASE_VIDEO_CODEC, G_IMPLEMENT_INTERFACE (GST_TYPE_PRESET, NULL););
-    );
 
 static void
 gst_base_video_encoder_class_init (GstBaseVideoEncoderClass * klass)
@@ -190,8 +191,8 @@ gst_base_video_encoder_init (GstBaseVideoEncoder * base_video_encoder)
       GST_DEBUG_FUNCPTR (gst_base_video_encoder_chain));
   gst_pad_set_event_function (pad,
       GST_DEBUG_FUNCPTR (gst_base_video_encoder_sink_event));
-  gst_pad_set_getcaps_function (pad,
+  gst_pad_set_query_function (pad,
-      GST_DEBUG_FUNCPTR (gst_base_video_encoder_sink_getcaps));
+      GST_DEBUG_FUNCPTR (gst_base_video_encoder_sink_query));
 
   pad = GST_BASE_VIDEO_CODEC_SRC_PAD (base_video_encoder);
 
@@ -422,6 +423,30 @@ done:
   return fcaps;
 }
 
+static gboolean
+gst_base_video_encoder_sink_query (GstPad * pad, GstQuery * query)
+{
+  gboolean res = FALSE;
+
+  switch (GST_QUERY_TYPE (query)) {
+    case GST_QUERY_CAPS:
+    {
+      GstCaps *filter, *caps;
+
+      gst_query_parse_caps (query, &filter);
+      caps = gst_base_video_encoder_sink_getcaps (pad, filter);
+      gst_query_set_caps_result (query, caps);
+      gst_caps_unref (caps);
+      res = TRUE;
+      break;
+    }
+    default:
+      res = gst_pad_query_default (pad, query);
+      break;
+  }
+  return res;
+}
+
 static void
 gst_base_video_encoder_finalize (GObject * object)
 {

gst/dvbsuboverlay/gstdvbsuboverlay.c

@@ -108,6 +108,7 @@ static gboolean gst_dvbsub_overlay_event_src (GstPad * pad, GstEvent * event);
 static void new_dvb_subtitles_cb (DvbSub * dvb_sub, DVBSubtitles * subs,
     gpointer user_data);
 
+static gboolean gst_dvbsub_overlay_query_video (GstPad * pad, GstQuery * query);
 static gboolean gst_dvbsub_overlay_query_src (GstPad * pad, GstQuery * query);
 
 /* initialize the plugin's class */
@@ -185,11 +186,6 @@ gst_dvbsub_overlay_init (GstDVBSubOverlay * render)
   render->text_sinkpad =
       gst_pad_new_from_static_template (&text_sink_factory, "text_sink");
 
-  gst_pad_set_getcaps_function (render->srcpad,
-      GST_DEBUG_FUNCPTR (gst_dvbsub_overlay_getcaps));
-  gst_pad_set_getcaps_function (render->video_sinkpad,
-      GST_DEBUG_FUNCPTR (gst_dvbsub_overlay_getcaps));
-
   gst_pad_set_chain_function (render->video_sinkpad,
       GST_DEBUG_FUNCPTR (gst_dvbsub_overlay_chain_video));
   gst_pad_set_chain_function (render->text_sinkpad,
@@ -202,6 +198,8 @@ gst_dvbsub_overlay_init (GstDVBSubOverlay * render)
   gst_pad_set_event_function (render->srcpad,
       GST_DEBUG_FUNCPTR (gst_dvbsub_overlay_event_src));
 
+  gst_pad_set_query_function (render->video_sinkpad,
+      GST_DEBUG_FUNCPTR (gst_dvbsub_overlay_query_video));
   gst_pad_set_query_function (render->srcpad,
       GST_DEBUG_FUNCPTR (gst_dvbsub_overlay_query_src));
 
@@ -331,7 +329,22 @@ gst_dvbsub_overlay_query_src (GstPad * pad, GstQuery * query)
   GstDVBSubOverlay *render = GST_DVBSUB_OVERLAY (gst_pad_get_parent (pad));
   gboolean ret;
 
-  ret = gst_pad_peer_query (render->video_sinkpad, query);
+  switch (GST_QUERY_TYPE (query)) {
+    case GST_QUERY_CAPS:
+    {
+      GstCaps *filter, *caps;
+
+      gst_query_parse_caps (query, &filter);
+      caps = gst_dvbsub_overlay_getcaps (pad, filter);
+      gst_query_set_caps_result (query, caps);
+      gst_caps_unref (caps);
+      ret = TRUE;
+      break;
+    }
+    default:
+      ret = gst_pad_peer_query (render->video_sinkpad, query);
+      break;
+  }
 
   gst_object_unref (render);
   return ret;
@@ -912,6 +925,33 @@ missing_timestamp:
   }
 }
 
+static gboolean
+gst_dvbsub_overlay_query_video (GstPad * pad, GstQuery * query)
+{
+  GstDVBSubOverlay *render = GST_DVBSUB_OVERLAY (gst_pad_get_parent (pad));
+  gboolean ret;
+
+  switch (GST_QUERY_TYPE (query)) {
+    case GST_QUERY_CAPS:
+    {
+      GstCaps *filter, *caps;
+
+      gst_query_parse_caps (query, &filter);
+      caps = gst_dvbsub_overlay_getcaps (pad, filter);
+      gst_query_set_caps_result (query, caps);
+      gst_caps_unref (caps);
+      ret = TRUE;
+      break;
+    }
+    default:
+      ret = gst_pad_query_default (pad, query);
+      break;
+  }
+
+  gst_object_unref (render);
+  return ret;
+}
+
 static gboolean
 gst_dvbsub_overlay_event_video (GstPad * pad, GstEvent * event)
 {

gst/dvdspu/gstdvdspu.c

@@ -91,12 +91,14 @@ static GstStateChangeReturn gst_dvd_spu_change_state (GstElement * element,
     GstStateChange transition);
 
 static gboolean gst_dvd_spu_src_event (GstPad * pad, GstEvent * event);
+static gboolean gst_dvd_spu_src_query (GstPad * pad, GstQuery * query);
 
 static GstCaps *gst_dvd_spu_video_proxy_getcaps (GstPad * pad,
     GstCaps * filter);
 static gboolean gst_dvd_spu_video_set_caps (GstPad * pad, GstCaps * caps);
 static GstFlowReturn gst_dvd_spu_video_chain (GstPad * pad, GstBuffer * buf);
 static gboolean gst_dvd_spu_video_event (GstPad * pad, GstEvent * event);
+static gboolean gst_dvd_spu_video_query (GstPad * pad, GstQuery * query);
 static void gst_dvd_spu_redraw_still (GstDVDSpu * dvdspu, gboolean force);
 
 static void gst_dvd_spu_check_still_updates (GstDVDSpu * dvdspu);
@@ -146,15 +148,13 @@ gst_dvd_spu_init (GstDVDSpu * dvdspu)
 {
   dvdspu->videosinkpad =
       gst_pad_new_from_static_template (&video_sink_factory, "video");
-  gst_pad_set_getcaps_function (dvdspu->videosinkpad,
-      gst_dvd_spu_video_proxy_getcaps);
   gst_pad_set_chain_function (dvdspu->videosinkpad, gst_dvd_spu_video_chain);
   gst_pad_set_event_function (dvdspu->videosinkpad, gst_dvd_spu_video_event);
+  gst_pad_set_query_function (dvdspu->videosinkpad, gst_dvd_spu_video_query);
 
   dvdspu->srcpad = gst_pad_new_from_static_template (&src_factory, "src");
   gst_pad_set_event_function (dvdspu->srcpad, gst_dvd_spu_src_event);
-  gst_pad_set_getcaps_function (dvdspu->srcpad,
+  gst_pad_set_query_function (dvdspu->srcpad, gst_dvd_spu_src_query);
-      gst_dvd_spu_video_proxy_getcaps);
 
   dvdspu->subpic_sinkpad =
       gst_pad_new_from_static_template (&subpic_sink_factory, "subpicture");
@@ -287,6 +287,31 @@ gst_dvd_spu_src_event (GstPad * pad, GstEvent * event)
   return res;
 }
 
+static gboolean
+gst_dvd_spu_src_query (GstPad * pad, GstQuery * query)
+{
+  gboolean res = FALSE;
+
+  switch (GST_QUERY_TYPE (query)) {
+    case GST_QUERY_CAPS:
+    {
+      GstCaps *filter, *caps;
+
+      gst_query_parse_caps (query, &filter);
+      caps = gst_dvd_spu_video_proxy_getcaps (pad, filter);
+      gst_query_set_caps_result (query, caps);
+      gst_caps_unref (caps);
+      res = TRUE;
+      break;
+    }
+    default:
+      res = gst_pad_query_default (pad, query);
+      break;
+  }
+
+  return res;
+}
+
 static gboolean
 gst_dvd_spu_video_set_caps (GstPad * pad, GstCaps * caps)
 {
@@ -469,6 +494,31 @@ error:
 #endif
 }
 
+static gboolean
+gst_dvd_spu_video_query (GstPad * pad, GstQuery * query)
+{
+  gboolean res = FALSE;
+
+  switch (GST_QUERY_TYPE (query)) {
+    case GST_QUERY_CAPS:
+    {
+      GstCaps *filter, *caps;
+
+      gst_query_parse_caps (query, &filter);
+      caps = gst_dvd_spu_video_proxy_getcaps (pad, filter);
+      gst_query_set_caps_result (query, caps);
+      gst_caps_unref (caps);
+      res = TRUE;
+      break;
+    }
+    default:
+      res = gst_pad_query_default (pad, query);
+      break;
+  }
+
+  return res;
+}
+
 static GstFlowReturn
 gst_dvd_spu_video_chain (GstPad * pad, GstBuffer * buf)
 {