gstreamer/gst-libs/gst/egl/egl.h

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/*
* 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>
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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);
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G_END_DECLS
#endif /* __GST_EGL_H__ */