eglglessink: Implement GstContext handling

2 files changed, 45 insertions, 11 deletions

diff --git a/gst-libs/gst/egl/egl.c b/gst-libs/gst/egl/egl.c
index 73b9c5e91..374a6ffdd 100644
--- a/gst-libs/gst/egl/egl.c
+++ b/gst-libs/gst/egl/egl.c
@@ -290,6 +290,26 @@ gst_egl_image_allocator_wrap (GstAllocator * allocator,
   return GST_MEMORY_CAST (mem);
 }
 
+void
+gst_context_set_egl_display (GstContext * context, GstEGLDisplay * display)
+{
+  GstStructure *s;
+
+  s = (GstStructure *) gst_context_get_structure (context);
+  gst_structure_set (s, GST_EGL_DISPLAY_CONTEXT_TYPE, GST_TYPE_EGL_DISPLAY,
+      display, NULL);
+}
+
+gboolean
+gst_context_get_egl_display (GstContext * context, GstEGLDisplay ** display)
+{
+  GstStructure *s;
+
+  s = (GstStructure *) gst_context_get_structure (context);
+  return gst_structure_get (s, GST_EGL_DISPLAY_CONTEXT_TYPE,
+      GST_TYPE_EGL_DISPLAY, display, NULL);
+}
+
 struct _GstEGLDisplay
 {
   EGLDisplay display;
diff --git a/gst-libs/gst/egl/egl.h b/gst-libs/gst/egl/egl.h
index 099c900d2..542446288 100644
--- a/gst-libs/gst/egl/egl.h
+++ b/gst-libs/gst/egl/egl.h
@@ -28,7 +28,8 @@
 
 #define GST_EGL_IMAGE_MEMORY_TYPE "EGLImage"
 
-typedef enum {
+typedef enum
+{
   GST_EGL_IMAGE_MEMORY_TYPE_INVALID = -1,
   /* GL formats */
   GST_EGL_IMAGE_MEMORY_TYPE_LUMINANCE = 0x0000,
@@ -42,7 +43,8 @@ typedef enum {
   GST_EGL_IMAGE_MEMORY_TYPE_OTHER = 0xffff
 } GstEGLImageType;
 
-typedef enum {
+typedef enum
+{
   /* GStreamer orientation, top line first in memory, left row first */
   GST_EGL_IMAGE_ORIENTATION_X_NORMAL_Y_NORMAL,
   /* OpenGL orientation, bottom line first in memory, left row first */
@@ -58,22 +60,34 @@ typedef struct _GstEGLDisplay GstEGLDisplay;
 gboolean gst_egl_image_memory_is_mappable (void);
 gboolean gst_is_egl_image_memory (GstMemory * mem);
 EGLImageKHR gst_egl_image_memory_get_image (GstMemory * mem);
-GstEGLDisplay * gst_egl_image_memory_get_display (GstMemory * mem);
+GstEGLDisplay *gst_egl_image_memory_get_display (GstMemory * mem);
 GstEGLImageType gst_egl_image_memory_get_type (GstMemory * mem);
-GstEGLImageOrientation gst_egl_image_memory_get_orientation (GstMemory *mem);
-void gst_egl_image_memory_set_orientation (GstMemory *mem, GstEGLImageOrientation orientation);
+GstEGLImageOrientation gst_egl_image_memory_get_orientation (GstMemory * mem);
+void gst_egl_image_memory_set_orientation (GstMemory * mem,
+    GstEGLImageOrientation orientation);
 
 /* Generic EGLImage allocator that doesn't support mapping, copying or anything */
-GstAllocator * gst_egl_image_allocator_obtain (void);
-GstMemory * gst_egl_image_allocator_alloc (GstAllocator * allocator, GstEGLDisplay * display, GstEGLImageType type, gint width, gint height, gsize * size);
-GstMemory * gst_egl_image_allocator_wrap (GstAllocator * allocator, GstEGLDisplay * display, EGLImageKHR image, GstEGLImageType type, GstMemoryFlags flags, gsize size, gpointer user_data, GDestroyNotify user_data_destroy);
+GstAllocator *gst_egl_image_allocator_obtain (void);
+GstMemory *gst_egl_image_allocator_alloc (GstAllocator * allocator,
+    GstEGLDisplay * display, GstEGLImageType type, gint width, gint height,
+    gsize * size);
+GstMemory *gst_egl_image_allocator_wrap (GstAllocator * allocator,
+    GstEGLDisplay * display, EGLImageKHR image, GstEGLImageType type,
+    GstMemoryFlags flags, gsize size, gpointer user_data,
+    GDestroyNotify user_data_destroy);
+
+#define GST_EGL_DISPLAY_CONTEXT_TYPE "gst.egl.EGLDisplay"
+void gst_context_set_egl_display (GstContext * context,
+    GstEGLDisplay * display);
+gboolean gst_context_get_egl_display (GstContext * context,
+    GstEGLDisplay ** display);
 
 /* EGLDisplay wrapper with refcount, connection is closed after last ref is gone */
 #define GST_TYPE_EGL_DISPLAY (gst_egl_display_get_type())
-GType gst_egl_display_get_type(void);
+GType gst_egl_display_get_type (void);
 
-GstEGLDisplay * gst_egl_display_new (EGLDisplay display);
-GstEGLDisplay * gst_egl_display_ref (GstEGLDisplay * display);
+GstEGLDisplay *gst_egl_display_new (EGLDisplay display);
+GstEGLDisplay *gst_egl_display_ref (GstEGLDisplay * display);
 void gst_egl_display_unref (GstEGLDisplay * display);
 EGLDisplay gst_egl_display_get (GstEGLDisplay * display);