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80 lines
3.3 KiB
C
80 lines
3.3 KiB
C
/*
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* GStreamer EGL Library
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* Copyright (C) 2012 Collabora Ltd.
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* @author: Sebastian Dröge <sebastian.droege@collabora.co.uk>
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* *
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#ifndef __GST_EGL_H__
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#define __GST_EGL_H__
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#include <gst/gst.h>
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#include <EGL/egl.h>
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#include <EGL/eglext.h>
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#define GST_EGL_IMAGE_MEMORY_TYPE "EGLImage"
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typedef enum {
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GST_EGL_IMAGE_MEMORY_TYPE_INVALID = -1,
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/* GL formats */
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GST_EGL_IMAGE_MEMORY_TYPE_LUMINANCE = 0x0000,
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GST_EGL_IMAGE_MEMORY_TYPE_LUMINANCE_ALPHA,
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GST_EGL_IMAGE_MEMORY_TYPE_RGB16,
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GST_EGL_IMAGE_MEMORY_TYPE_RGB,
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GST_EGL_IMAGE_MEMORY_TYPE_RGBA,
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/* YUV formats */
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/* GST_EGL_IMAGE_MEMORY_TYPE_YUV420P = 0x1000, */
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/* Other */
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GST_EGL_IMAGE_MEMORY_TYPE_OTHER = 0xffff
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} GstEGLImageType;
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typedef enum {
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/* GStreamer orientation, top line first in memory, left row first */
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GST_EGL_IMAGE_ORIENTATION_X_NORMAL_Y_NORMAL,
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/* OpenGL orientation, bottom line first in memory, left row first */
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GST_EGL_IMAGE_ORIENTATION_X_NORMAL_Y_FLIP,
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/* Just for the sake of completeness, nothing uses this probably */
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GST_EGL_IMAGE_ORIENTATION_X_FLIP_Y_NORMAL,
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GST_EGL_IMAGE_ORIENTATION_X_FLIP_Y_FLIP
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} GstEGLImageOrientation;
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typedef struct _GstEGLDisplay GstEGLDisplay;
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/* EGLImage GstMemory handling */
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gboolean gst_egl_image_memory_is_mappable (void);
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gboolean gst_is_egl_image_memory (GstMemory * mem);
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EGLImageKHR gst_egl_image_memory_get_image (GstMemory * mem);
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GstEGLDisplay * gst_egl_image_memory_get_display (GstMemory * mem);
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GstEGLImageType gst_egl_image_memory_get_type (GstMemory * mem);
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GstEGLImageOrientation gst_egl_image_memory_get_orientation (GstMemory *mem);
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void gst_egl_image_memory_set_orientation (GstMemory *mem, GstEGLImageOrientation orientation);
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/* Generic EGLImage allocator that doesn't support mapping, copying or anything */
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GstAllocator * gst_egl_image_allocator_obtain (void);
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GstMemory * gst_egl_image_allocator_alloc (GstAllocator * allocator, GstEGLDisplay * display, GstEGLImageType type, gint width, gint height, gsize * size);
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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);
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/* EGLDisplay wrapper with refcount, connection is closed after last ref is gone */
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#define GST_TYPE_EGL_DISPLAY (gst_egl_display_get_type())
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GType gst_egl_display_get_type(void);
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GstEGLDisplay * gst_egl_display_new (EGLDisplay display);
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GstEGLDisplay * gst_egl_display_ref (GstEGLDisplay * display);
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void gst_egl_display_unref (GstEGLDisplay * display);
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EGLDisplay gst_egl_display_get (GstEGLDisplay * display);
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#endif /* __GST_EGL_H__ */
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