glupload: deal with the ANY caps feature correctly

When transforming, xplode it out into the necessary caps features both
with and without the passthough features.

Fixes negotiation in the following class of pipelines:

gl ! textoverlay ! glupload ! glimagesinkelement

https://bugzilla.gnome.org/show_bug.cgi?id=763756

diff --git a/gst-libs/gst/gl/gstglupload.c b/gst-libs/gst/gl/gstglupload.c
index eb25e15ac6323804253f396ce00c4b519398d520..32e6150fad53b6861dd99c34480f410fb6f6b0aa 100644 (file)
--- a/gst-libs/gst/gl/gstglupload.c
+++ b/gst-libs/gst/gl/gstglupload.c
@@ -111,32 +111,50 @@ _set_caps_features_with_passthrough (const GstCaps * caps,
   guint i, j, m, n;
   GstCaps *tmp;
 
-  tmp = gst_caps_copy (caps);
+  tmp = gst_caps_new_empty ();
 
   n = gst_caps_get_size (caps);
   for (i = 0; i < n; i++) {
     GstCapsFeatures *features, *orig_features;
+    GstStructure *s = gst_caps_get_structure (caps, i);
 
     orig_features = gst_caps_get_features (caps, i);
     features = gst_caps_features_new (feature_name, NULL);
 
-    m = gst_caps_features_get_size (orig_features);
-    for (j = 0; j < m; j++) {
-      const gchar *feature = gst_caps_features_get_nth (orig_features, j);
+    if (gst_caps_features_is_any (orig_features)) {
+      /* if we have any features, we add both the features with and without @passthrough */
+      gst_caps_append_structure_full (tmp, gst_structure_copy (s),
+          gst_caps_features_copy (features));
 
-      /* if we already have the features */
-      if (gst_caps_features_contains (features, feature))
-        continue;
+      m = gst_caps_features_get_size (passthrough);
+      for (j = 0; j < m; j++) {
+        const gchar *feature = gst_caps_features_get_nth (passthrough, j);
 
-      if (g_strcmp0 (feature, GST_CAPS_FEATURE_MEMORY_SYSTEM_MEMORY) == 0)
-        continue;
+        /* if we already have the features */
+        if (gst_caps_features_contains (features, feature))
+          continue;
 
-      if (gst_caps_features_contains (passthrough, feature)) {
         gst_caps_features_add (features, feature);
       }
+    } else {
+      m = gst_caps_features_get_size (orig_features);
+      for (j = 0; j < m; j++) {
+        const gchar *feature = gst_caps_features_get_nth (orig_features, j);
+
+        /* if we already have the features */
+        if (gst_caps_features_contains (features, feature))
+          continue;
+
+        if (g_strcmp0 (feature, GST_CAPS_FEATURE_MEMORY_SYSTEM_MEMORY) == 0)
+          continue;
+
+        if (gst_caps_features_contains (passthrough, feature)) {
+          gst_caps_features_add (features, feature);
+        }
+      }
     }
 
-    gst_caps_set_features (tmp, i, features);
+    gst_caps_append_structure_full (tmp, gst_structure_copy (s), features);
   }
 
   return tmp;
@@ -297,8 +315,8 @@ _gl_memory_upload_propose_allocation (gpointer impl, GstQuery * decide_query,
     gst_allocation_params_init (&params);
 
     allocator =
-        GST_ALLOCATOR (gst_gl_memory_allocator_get_default (upload->upload->
-            context));
+        GST_ALLOCATOR (gst_gl_memory_allocator_get_default (upload->
+            upload->context));
     gst_query_add_allocation_param (query, allocator, &params);
     gst_object_unref (allocator);
   }
@@ -584,8 +602,8 @@ _egl_image_upload_perform_gl_thread (GstGLContext * context,
   }
 
   if (GST_IS_GL_BUFFER_POOL (image->buffer->pool))
-    gst_gl_buffer_pool_replace_last_buffer (GST_GL_BUFFER_POOL (image->buffer->
-            pool), image->buffer);
+    gst_gl_buffer_pool_replace_last_buffer (GST_GL_BUFFER_POOL (image->
+            buffer->pool), image->buffer);
 }
 
 static GstGLUploadReturn
@@ -1026,11 +1044,11 @@ _upload_meta_upload_propose_allocation (gpointer impl, GstQuery * decide_query,
   gpointer handle;
 
   gl_apis =
-      gst_gl_api_to_string (gst_gl_context_get_gl_api (upload->
-          upload->context));
+      gst_gl_api_to_string (gst_gl_context_get_gl_api (upload->upload->
+          context));
   platform =
-      gst_gl_platform_to_string (gst_gl_context_get_gl_platform
-      (upload->upload->context));
+      gst_gl_platform_to_string (gst_gl_context_get_gl_platform (upload->
+          upload->context));
   handle = (gpointer) gst_gl_context_get_gl_context (upload->upload->context);
 
   gl_context =