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plugin: Rework code to use new GL context handler

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Create a GL context handler subclass of recently added context handler base class and
rework code to use it. This simplifies a lot of things, like: switching of importers
at runtime, handling context queries, sharing data between importers, etc.
This commit is contained in:
Rafał Dzięgiel
2022-06-12 14:03:36 +02:00
parent 0920914b89
commit 04a028d689
17 changed files with 713 additions and 847 deletions
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48
lib/gst/plugin/gstclapperimporter.c vendored
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@@ -89,6 +89,14 @@ _default_create_pool (GstClapperImporter *self, GstStructure **config)
return NULL;
}
static void
_default_add_allocation_metas (GstClapperImporter *importer, GstQuery *query)
{
/* Importer base class handles GstVideoOverlayCompositionMeta */
gst_query_add_allocation_meta (query, GST_VIDEO_OVERLAY_COMPOSITION_META_API_TYPE, NULL);
gst_query_add_allocation_meta (query, GST_VIDEO_META_API_TYPE, NULL);
}
static GdkTexture *
_default_generate_texture (GstClapperImporter *self,
GstBuffer *buffer, GstVideoInfo *v_info)
@@ -144,6 +152,7 @@ gst_clapper_importer_class_init (GstClapperImporterClass *klass)
gobject_class->finalize = gst_clapper_importer_finalize;
importer_class->create_pool = _default_create_pool;
importer_class->add_allocation_metas = _default_add_allocation_metas;
importer_class->generate_texture = _default_generate_texture;
}
@@ -295,30 +304,6 @@ gst_clapper_importer_prepare_overlays_locked (GstClapperImporter *self)
GST_LOG_OBJECT (self, "Prepared overlays: %u", self->pending_overlays->len);
}
gboolean
gst_clapper_importer_prepare (GstClapperImporter *self)
{
GstClapperImporterClass *importer_class = GST_CLAPPER_IMPORTER_GET_CLASS (self);
if (importer_class->prepare) {
if (!importer_class->prepare (self))
return FALSE;
}
GST_DEBUG_OBJECT (self, "Importer prepared");
return TRUE;
}
void
gst_clapper_importer_share_data (GstClapperImporter *self, GstClapperImporter *dest)
{
GstClapperImporterClass *importer_class = GST_CLAPPER_IMPORTER_GET_CLASS (self);
if (importer_class->share_data)
importer_class->share_data (self, dest);
}
void
gst_clapper_importer_set_caps (GstClapperImporter *self, GstCaps *caps)
{
@@ -362,20 +347,7 @@ gst_clapper_importer_add_allocation_metas (GstClapperImporter *self, GstQuery *q
{
GstClapperImporterClass *importer_class = GST_CLAPPER_IMPORTER_GET_CLASS (self);
if (importer_class->add_allocation_metas)
importer_class->add_allocation_metas (self, query);
}
gboolean
gst_clapper_importer_handle_context_query (GstClapperImporter *self,
GstBaseSink *bsink, GstQuery *query)
{
GstClapperImporterClass *importer_class = GST_CLAPPER_IMPORTER_GET_CLASS (self);
if (!importer_class->handle_context_query)
return FALSE;
return importer_class->handle_context_query (self, bsink, query);
importer_class->add_allocation_metas (self, query);
}
void