/* * GStreamer EGL/GLES Sink Adaptation * Copyright (C) 2012-2013 Collabora Ltd. * @author: Reynaldo H. Verdejo Pinochet * @author: Sebastian Dröge * @author: Thiago Santos * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER * DEALINGS IN THE SOFTWARE. * * Alternatively, the contents of this file may be used under the * GNU Lesser General Public License Version 2.1 (the "LGPL"), in * which case the following provisions apply instead of the ones * mentioned above: * * 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., 59 Temple Place - Suite 330, * Boston, MA 02111-1307, USA. */ #ifndef __GST_EGL_ADAPTATION_H__ #define __GST_EGL_ADAPTATION_H__ #ifdef HAVE_CONFIG_H # include #endif #include #include #if defined (USE_EGL_RPI) && defined(__GNUC__) #ifndef __VCCOREVER__ #define __VCCOREVER__ 0x04000000 #endif #pragma GCC diagnostic push #pragma GCC diagnostic ignored "-Wredundant-decls" #pragma GCC optimize ("gnu89-inline") #endif #define EGL_EGLEXT_PROTOTYPES #define GL_GLEXT_PROTOTYPES #ifdef HAVE_IOS #include #else #include #include #include #include #include #endif #if defined (USE_EGL_RPI) && defined(__GNUC__) #pragma GCC reset_options #pragma GCC diagnostic pop #endif G_BEGIN_DECLS typedef struct _GstEglAdaptationContext GstEglAdaptationContext; typedef struct _GstEglGlesImageFmt GstEglGlesImageFmt; #ifdef HAVE_IOS typedef struct _GstEaglContext GstEaglContext; #else typedef struct _GstEglGlesRenderContext GstEglGlesRenderContext; #endif typedef struct _coord5 { float x; float y; float z; float a; /* texpos x */ float b; /* texpos y */ } coord5; typedef struct { GLuint texture; } GstEGLGLESImageData; /* * GstEglAdaptationContext: * @have_vbo: Set if the GLES VBO setup has been performed * @have_texture: Set if the GLES texture setup has been performed * @have_surface: Set if the EGL surface setup has been performed * * The #GstEglAdaptationContext data structure. */ struct _GstEglAdaptationContext { GstElement *element; #ifdef HAVE_IOS GstEaglContext *eaglctx; void * window, *used_window; #else GstEglGlesRenderContext *eglglesctx; GstEGLDisplay *display, *set_display; EGLNativeWindowType window, used_window; #endif GLuint fragshader[2]; /* frame, border */ GLuint vertshader[2]; /* frame, border */ GLuint glslprogram[2]; /* frame, border */ GLuint texture[3]; /* RGB/Y, U/UV, V */ /* shader vars */ GLuint position_loc[2]; /* frame, border */ GLuint texpos_loc[1]; /* frame */ GLuint tex_scale_loc[1][3]; /* [frame] RGB/Y, U/UV, V */ GLuint tex_loc[1][3]; /* [frame] RGB/Y, U/UV, V */ coord5 position_array[16]; /* 4 x Frame x-normal,y-normal, 4x Frame x-normal,y-flip, 4 x Border1, 4 x Border2 */ unsigned short index_array[4]; unsigned int position_buffer, index_buffer; gint n_textures; gint surface_width; gint surface_height; gint pixel_aspect_ratio_n; gint pixel_aspect_ratio_d; gboolean have_vbo; gboolean have_texture; gboolean have_surface; gboolean buffer_preserved; }; GST_DEBUG_CATEGORY_EXTERN (egladaption_debug); void gst_egl_adaption_init (void); GstEglAdaptationContext * gst_egl_adaptation_context_new (GstElement * element); void gst_egl_adaptation_context_free (GstEglAdaptationContext * ctx); void gst_egl_adaptation_init (GstEglAdaptationContext * ctx); void gst_egl_adaptation_deinit (GstEglAdaptationContext * ctx); gboolean gst_egl_adaptation_create_surface (GstEglAdaptationContext * ctx); void gst_egl_adaptation_query_buffer_preserved (GstEglAdaptationContext * ctx); void gst_egl_adaptation_query_par (GstEglAdaptationContext * ctx); void gst_egl_adaptation_destroy_surface (GstEglAdaptationContext * ctx); void gst_egl_adaptation_destroy_context (GstEglAdaptationContext * ctx); gboolean gst_egl_adaptation_create_egl_context (GstEglAdaptationContext * ctx); #ifndef HAVE_IOS EGLContext gst_egl_adaptation_context_get_egl_context (GstEglAdaptationContext * ctx); #endif /* platform window */ gboolean gst_egl_adaptation_create_native_window (GstEglAdaptationContext * ctx, gint width, gint height, gpointer * own_window_data); void gst_egl_adaptation_destroy_native_window (GstEglAdaptationContext * ctx, gpointer * own_window_data); GstCaps *gst_egl_adaptation_fill_supported_fbuffer_configs (GstEglAdaptationContext * ctx); gboolean gst_egl_adaptation_init_display (GstEglAdaptationContext * ctx); gboolean gst_egl_adaptation_choose_config (GstEglAdaptationContext * ctx); gboolean gst_egl_adaptation_init_surface (GstEglAdaptationContext * ctx, GstVideoFormat format); void gst_egl_adaptation_init_exts (GstEglAdaptationContext * ctx); gboolean gst_egl_adaptation_update_surface_dimensions (GstEglAdaptationContext * ctx); gboolean _gst_egl_choose_config (GstEglAdaptationContext * ctx, gboolean try_only, gint * num_configs); gboolean got_gl_error (const char *wtf); gboolean got_egl_error (const char *wtf); void gst_egl_adaptation_set_window (GstEglAdaptationContext * ctx, guintptr window); gboolean gst_egl_adaptation_context_make_current (GstEglAdaptationContext * ctx, gboolean bind); void gst_egl_adaptation_cleanup (GstEglAdaptationContext * ctx); void gst_egl_adaptation_bind_API (GstEglAdaptationContext * ctx); gboolean gst_egl_adaptation_context_swap_buffers (GstEglAdaptationContext * ctx); #ifndef HAVE_IOS /* TODO: The goal is to move this function to gstegl lib (or * splitted between gstegl lib and gstgl lib) in order to be used in * webkitVideoSink * So it has to be independent of GstEglAdaptationContext */ GstBuffer * gst_egl_image_allocator_alloc_eglimage (GstAllocator * allocator, GstEGLDisplay * display, EGLContext eglcontext, GstVideoFormat format, gint width, gint height); #endif G_END_DECLS #endif /* __GST_EGL_ADAPTATION_H__ */