gstreamer/gst-libs/gst/egl/egl.h
Sebastian Dröge 275e104be6 egl: Add destroy notify instead of always calling eglTerminate() on the display
In some scenarios, for example in QtWebKit, might be difficult to obtain full
control on the egl display and it might be only accessible indirectly via
eglGetCurrentDisplay().

https://bugzilla.gnome.org/show_bug.cgi?id=700058
2013-05-10 12:50:05 +02:00

74 lines
2.9 KiB
C

/*
* GStreamer EGL Library
* Copyright (C) 2012 Collabora Ltd.
* @author: Sebastian Dröge <sebastian.droege@collabora.co.uk>
* *
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifndef __GST_EGL_H__
#define __GST_EGL_H__
#include <gst/gst.h>
#include <gst/video/video.h>
#include <EGL/egl.h>
#include <EGL/eglext.h>
G_BEGIN_DECLS
#define GST_EGL_IMAGE_MEMORY_TYPE "EGLImage"
#define GST_CAPS_FEATURE_MEMORY_EGL_IMAGE "memory:EGLImage"
typedef struct _GstEGLDisplay GstEGLDisplay;
/* EGLImage GstMemory handling */
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);
GstVideoGLTextureType gst_egl_image_memory_get_type (GstMemory * mem);
GstVideoGLTextureOrientation gst_egl_image_memory_get_orientation (GstMemory * mem);
void gst_egl_image_memory_set_orientation (GstMemory * mem,
GstVideoGLTextureOrientation 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, GstVideoGLTextureType type, gint width, gint height,
gsize * size);
GstMemory *gst_egl_image_allocator_wrap (GstAllocator * allocator,
GstEGLDisplay * display, EGLImageKHR image, GstVideoGLTextureType 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);
GstEGLDisplay *gst_egl_display_new (EGLDisplay display, GDestroyNotify destroy_notify);
GstEGLDisplay *gst_egl_display_ref (GstEGLDisplay * display);
void gst_egl_display_unref (GstEGLDisplay * display);
EGLDisplay gst_egl_display_get (GstEGLDisplay * display);
G_END_DECLS
#endif /* __GST_EGL_H__ */