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[321/906] add OpenGL ES 2.x support.

Browse source 
In OpenGL 2.x for Embedded System, a lot of basic scene/draw functions
have been removed. It means that everything is made using vertex and
fragment shaders.
I have also added a gstglwindow backend for winCE that uses EGL
(Native Platform Graphics Intercace) (which is a full part of
OpenGL ES specification). It remove the use of wgl/glx functions.
This commit is contained in:
Julien Isorce 2009-03-15 14:48:19 +01:00 committed by Matthew Waters
parent 37b29ac10c
commit ec0bb66fe9
13 changed files with 1793 additions and 55 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

730
gst-libs/gst/gl/gstgldisplay.c
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File diff suppressed because it is too large Load diff

22
gst-libs/gst/gl/gstgldisplay.h
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@ -96,6 +96,13 @@ struct _GstGLDisplay {
GLuint redisplay_texture;
GLuint redisplay_texture_width;
GLuint redisplay_texture_height;
#ifdef OPENGL_ES2
GstGLShader* redisplay_shader;
GLbyte* redisplay_vertex_shader_str;
GLbyte* redisplay_fragment_shader_str;
GLint redisplay_attr_position_loc;
GLint redisplay_attr_texture_loc;
#endif
//action gen and del texture
GLuint gen_texture;
@ -183,6 +190,12 @@ struct _GstGLDisplay {
gchar* text_shader_upload_AYUV;
GstGLShader* shader_upload_AYUV;
#ifdef OPENGL_ES2
GLbyte* text_vertex_shader_upload;
GLint shader_upload_attr_position_loc;
GLint shader_upload_attr_texture_loc;
#endif
//fragement shader download
gchar* text_shader_download_YUY2_UYVY;
GstGLShader* shader_download_YUY2;
@ -193,6 +206,15 @@ struct _GstGLDisplay {
gchar* text_shader_download_AYUV;
GstGLShader* shader_download_AYUV;
#ifdef OPENGL_ES2
GLbyte* text_vertex_shader_download;
GLint shader_download_attr_position_loc;
GLint shader_download_attr_texture_loc;
GLbyte* text_fragment_shader_download_RGB;
GstGLShader* shader_download_RGB;
#endif
};

117
gst-libs/gst/gl/gstgles2.h Normal file
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@ -0,0 +1,117 @@
/*
* GStreamer
* Copyright (C) 2009 Julien Isorce <julien.isorce@gmail.com>
*
* 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.
*/
/* Compatibility for OpenGL ES 2.0 */
#ifndef __GST_GL_ES2__
#define __GST_GL_ES2__
/* GLEW */
#define GLEW_OK 0
#define GLEW_NO_ERROR 0
static const char* glewGetString (GLenum name) { return "1.5.1"; };
static unsigned int glewInit() { return GLEW_OK;};
static const char* glewGetErrorString (GLenum error) { return GLEW_NO_ERROR; };
#define GLEW_VERSION 1
#define GLEW_VERSION_MAJOR 5
#define GLEW_VERSION_MINOR 1
#define GLEW_VERSION_MICRO 0
/* SUPPORTED */
//FIXME:
#define GL_RGBA8 GL_RGBA
#define GL_BGRA GL_RGBA
#define GL_UNSIGNED_INT_8_8_8_8 GL_UNSIGNED_BYTE
#define GL_UNSIGNED_INT_8_8_8_8_REV GL_UNSIGNED_BYTE
//END FIXME
#define GL_TEXTURE_RECTANGLE_ARB GL_TEXTURE_2D
#define GL_TEXTURE0_ARB GL_TEXTURE0
#define GL_TEXTURE1_ARB GL_TEXTURE1
#define GL_TEXTURE2_ARB GL_TEXTURE2
#define GLEW_EXT_framebuffer_object 1
#define GL_FRAMEBUFFER_EXT GL_FRAMEBUFFER
#define GL_RENDERBUFFER_EXT GL_RENDERBUFFER
#define GL_DEPTH_ATTACHMENT_EXT GL_DEPTH_ATTACHMENT
#define GL_FRAMEBUFFER_COMPLETE_EXT GL_FRAMEBUFFER_COMPLETE
#define GL_FRAMEBUFFER_UNSUPPORTED_EXT GL_FRAMEBUFFER_UNSUPPORTED
#define GL_COLOR_ATTACHMENT0_EXT GL_COLOR_ATTACHMENT0
#define glFramebufferTexture2DEXT glFramebufferTexture2D
#define glFramebufferRenderbufferEXT glFramebufferRenderbuffer
#define glGenFramebuffersEXT glGenFramebuffers
#define glBindFramebufferEXT glBindFramebuffer
#define glRenderbufferStorageEXT glRenderbufferStorage
#define glDeleteRenderbuffersEXT glDeleteRenderbuffers
#define glDeleteFramebuffersEXT glDeleteFramebuffers
#define glCheckFramebufferStatusEXT glCheckFramebufferStatus
#define glGenRenderbuffersEXT glGenRenderbuffers
#define glBindRenderbufferEXT glBindRenderbuffer
#define glFramebufferTexture2DEXT glFramebufferTexture2D
#define glActiveTextureARB glActiveTexture
#define GLEW_ARB_fragment_shader 1
#define GLhandleARB GLuint
#define GL_FRAGMENT_SHADER_ARB GL_FRAGMENT_SHADER
#define GL_VERTEX_SHADER_ARB GL_VERTEX_SHADER
#define GL_OBJECT_COMPILE_STATUS_ARB GL_COMPILE_STATUS
#define glUseProgramObjectARB glUseProgram
#define glCreateProgramObjectARB glCreateProgram
#define glCreateShaderObjectARB glCreateShader
#define glCompileShaderARB glCompileShader
#define glShaderSourceARB glShaderSource
#define glGetInfoLogARB glGetProgramInfoLog
#define glAttachObjectARB glAttachShader
#define glDetachObjectARB glDetachShader
#define glDeleteObjectARB glDeleteProgram
#define glLinkProgramARB glLinkProgram
#define glGetObjectParameterivARB glGetShaderiv
#define glUniform1fARB glUniform1f
#define glUniform1fvARB glUniform1fv
#define glUniform1iARB glUniform1i
#define glUniformMatrix4fvARB glUniformMatrix4fv
#define glGetUniformLocationARB glGetUniformLocation
#define glGetAttribLocationARB glGetAttribLocation
/* UNSUPPORTED */
#define GLEW_ARB_imaging 0
#define GLEW_MESA_ycbcr_texture 0
#define GL_BGR 0
#define GL_YCBCR_MESA 0
#define GL_UNSIGNED_SHORT_8_8_MESA 0
#define GL_UNSIGNED_SHORT_8_8_MESA 0
#define GL_UNSIGNED_SHORT_8_8_REV_MESA 0
#define GL_COLOR_ATTACHMENT1_EXT 0
#define GL_COLOR_ATTACHMENT2_EXT 0
static void glReadBuffer(GLenum name) {};
static void glTexEnvi(GLenum name1, GLenum name2, GLenum name3) {};
#define GL_TEXTURE_ENV 0
#define GL_TEXTURE_ENV_MODE 0
#endif /* __GST_GL_ES2__ */

16
gst-libs/gst/gl/gstglshader.c
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@ -510,6 +510,22 @@ gst_gl_shader_set_uniform_1i (GstGLShader * shader, const gchar * name,
glUniform1iARB (location, value);
}
void
gst_gl_shader_set_uniform_matrix_4fv (GstGLShader * shader, const gchar * name,
GLsizei count, GLboolean transpose, const GLfloat* value)
{
GstGLShaderPrivate *priv;
GLint location = -1;
priv = shader->priv;
g_return_if_fail (priv->program_handle != 0);
location = glGetUniformLocationARB (priv->program_handle, name);
glUniformMatrix4fvARB (location, count, transpose, value);
}
GLint
gst_gl_shader_get_attribute_location (GstGLShader * shader, const gchar * name)
{

9
gst-libs/gst/gl/gstglshader.h
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@ -21,7 +21,14 @@
#ifndef __GST_GL_SHADER_H__
#define __GST_GL_SHADER_H__
/* OpenGL 2.0 for Embedded Systems */
#ifdef OPENGL_ES2
#include <GLES2/gl2.h>
#include "gstgles2.h"
/* OpenGL for usual systems */
#else
#include <GL/glew.h>
#endif
#include <gst/gst.h>
G_BEGIN_DECLS
@ -88,6 +95,8 @@ void gst_gl_shader_use (GstGLShader *shader);
void gst_gl_shader_set_uniform_1i (GstGLShader *shader, const gchar *name, gint value);
void gst_gl_shader_set_uniform_1f (GstGLShader *shader, const gchar *name, gfloat value);
void gst_gl_shader_set_uniform_1fv (GstGLShader *shader, const gchar *name, guint count, gfloat * value);
void gst_gl_shader_set_uniform_matrix_4fv (GstGLShader * shader, const gchar * name,
GLsizei count, GLboolean transpose, const GLfloat* value);
GLint gst_gl_shader_get_attribute_location (GstGLShader *shader, const gchar *name);

10
gst-libs/gst/gl/gstglwindow.h
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@ -21,6 +21,15 @@
#ifndef __GST_GL_WINDOW_H__
#define __GST_GL_WINDOW_H__
/* OpenGL 2.0 for Embedded Systems */
#ifdef OPENGL_ES2
#undef UNICODE
#include <EGL/egl.h>
#define UNICODE
#include <GLES2/gl2.h>
#include "gstgles2.h"
/* OpenGL for usual systems */
#else
#if (!GNUSTEP && MACOS)
#include <OpenGL/glew.h>
#include <OpenGL/OpenGL.h>
@ -29,6 +38,7 @@
#include <GL/glew.h>
#include <GL/gl.h>
#endif
#endif
#include <gst/gst.h>

610
gst-libs/gst/gl/gstglwindow_winCE.c Normal file
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@ -0,0 +1,610 @@
/*
* GStreamer
* Copyright (C) 2009 Julien Isorce <julien.isorce@gmail.com>
*
* 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.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "gstglwindow.h"
#define WM_GST_GL_WINDOW_CUSTOM (WM_APP+1)
#define WM_GST_GL_WINDOW_QUIT (WM_APP+2)
LRESULT CALLBACK window_proc (HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam);
LRESULT FAR PASCAL sub_class_proc (HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam);
const gchar* EGLErrorString();
#define GST_GL_WINDOW_GET_PRIVATE(o) \
(G_TYPE_INSTANCE_GET_PRIVATE((o), GST_GL_TYPE_WINDOW, GstGLWindowPrivate))
enum
{
PROP_0
};
struct _GstGLWindowPrivate
{
EGLNativeWindowType internal_win_id;
EGLDisplay display;
EGLSurface surface;
EGLContext gl_context;
GstGLWindowCB draw_cb;
gpointer draw_data;
GstGLWindowCB2 resize_cb;
gpointer resize_data;
GstGLWindowCB close_cb;
gpointer close_data;
gboolean is_closed;
gboolean visible;
};
G_DEFINE_TYPE (GstGLWindow, gst_gl_window, G_TYPE_OBJECT);
#undef G_LOG_DOMAIN
#define G_LOG_DOMAIN "GstGLWindow"
gboolean _gst_gl_window_debug = FALSE;
HHOOK hHook;
/* Must be called in the gl thread */
static void
gst_gl_window_finalize (GObject * object)
{
GstGLWindow *window = GST_GL_WINDOW (object);
GstGLWindowPrivate *priv = window->priv;
G_OBJECT_CLASS (gst_gl_window_parent_class)->finalize (object);
}
static void
gst_gl_window_log_handler (const gchar *domain, GLogLevelFlags flags,
const gchar *message, gpointer user_data)
{
if (_gst_gl_window_debug) {
g_log_default_handler (domain, flags, message, user_data);
}
}
static void
gst_gl_window_base_init (gpointer g_class)
{
}
static void
gst_gl_window_class_init (GstGLWindowClass * klass)
{
GObjectClass *obj_class = G_OBJECT_CLASS (klass);
WNDCLASS wc;
ATOM atom = 0;
HINSTANCE hinstance = GetModuleHandle (NULL);
g_type_class_add_private (klass, sizeof (GstGLWindowPrivate));
obj_class->finalize = gst_gl_window_finalize;
atom = GetClassInfo (hinstance, "GSTGL", &wc);
if (atom == 0)
{
ZeroMemory (&wc, sizeof(WNDCLASS));
wc.lpfnWndProc = window_proc;
wc.cbClsExtra = 0;
wc.cbWndExtra = 0;
wc.hInstance = hinstance;
wc.hIcon = LoadIcon (NULL, IDI_WINLOGO);
wc.style = CS_OWNDC | CS_HREDRAW | CS_VREDRAW;
wc.hCursor = LoadCursor (NULL, IDC_ARROW);
wc.hbrBackground = (HBRUSH) GetStockObject (BLACK_BRUSH);
wc.lpszMenuName = NULL;
wc.lpszClassName = "GSTGL";
atom = RegisterClass (&wc);
if (atom == 0)
g_error ("Failed to register window class %x\r\n", GetLastError());
}
}
static void
gst_gl_window_init (GstGLWindow *window)
{
window->priv = GST_GL_WINDOW_GET_PRIVATE (window);
if (g_getenv ("GST_GL_WINDOW_DEBUG") != NULL)
_gst_gl_window_debug = TRUE;
g_log_set_handler ("GstGLWindow", G_LOG_LEVEL_DEBUG,
gst_gl_window_log_handler, NULL);
}
/* Must be called in the gl thread */
GstGLWindow *
gst_gl_window_new (gint width, gint height)
{
GstGLWindow *window = g_object_new (GST_GL_TYPE_WINDOW, NULL);
GstGLWindowPrivate *priv = window->priv;
GstGLWindowClass* klass = GST_GL_WINDOW_GET_CLASS (window);
HINSTANCE hinstance = GetModuleHandle (NULL);
static gint x = 0;
static gint y = 0;
x += 20;
y += 20;
priv->internal_win_id = 0;
priv->display = 0;
priv->surface = 0;
priv->gl_context = 0;
priv->draw_cb = NULL;
priv->draw_data = NULL;
priv->resize_cb = NULL;
priv->resize_data = NULL;
priv->close_cb = NULL;
priv->close_data = NULL;
priv->is_closed = FALSE;
priv->visible = FALSE;
width += 2 * GetSystemMetrics (SM_CXSIZEFRAME);
height += 2 * GetSystemMetrics (SM_CYSIZEFRAME) + GetSystemMetrics (SM_CYCAPTION);
priv->internal_win_id = CreateWindow (
"GSTGL",
"OpenGL renderer",
WS_CLIPSIBLINGS | WS_CLIPCHILDREN | WS_OVERLAPPEDWINDOW, //WS_POPUP | WS_BORDER | WS_SYSMENU | WS_CAPTION
x, y, width, height,
(HWND) NULL,
(HMENU) NULL,
hinstance,
window
);
if (!priv->internal_win_id)
{
g_debug ("failed to create gl window: %d\n", priv->internal_win_id);
return NULL;
}
g_debug ("gl window created: %d\n", priv->internal_win_id);
//display is set in the window_proc
if (!priv->display) {
g_object_unref (G_OBJECT (window));
return NULL;
}
ShowCursor (TRUE);
return window;
}
GQuark
gst_gl_window_error_quark (void)
{
return g_quark_from_static_string ("gst-gl-window-error");
}
void
gst_gl_window_set_external_window_id (GstGLWindow *window, guint64 id)
{
GstGLWindowPrivate *priv = window->priv;
WNDPROC window_parent_proc = (WNDPROC) (guint64) GetWindowLongPtr((HWND)id, GWL_WNDPROC);
RECT rect;
SetProp (priv->internal_win_id, "gl_window_parent_id", (HWND)id);
SetProp ((HWND)id, "gl_window_id", priv->internal_win_id);
SetProp ((HWND)id, "gl_window_parent_proc", (WNDPROC) window_parent_proc);
SetWindowLongPtr ((HWND)id, GWL_WNDPROC, (DWORD) (guint64) sub_class_proc);
SetWindowLongPtr (priv->internal_win_id, GWL_STYLE, WS_CHILD | WS_MAXIMIZE);
SetParent (priv->internal_win_id, (HWND)id);
//take changes into account: SWP_FRAMECHANGED
GetClientRect ((HWND)id, &rect);
SetWindowPos (priv->internal_win_id, HWND_TOP, rect.left, rect.top, rect.right, rect.bottom,
SWP_ASYNCWINDOWPOS | SWP_NOMOVE | SWP_NOSIZE | SWP_NOZORDER | SWP_FRAMECHANGED | SWP_NOACTIVATE);
MoveWindow (priv->internal_win_id, rect.left, rect.top, rect.right, rect.bottom, FALSE);
}
void
gst_gl_window_set_external_gl_context (GstGLWindow *window, guint64 context)
{
g_warning ("gst_gl_window_set_external_gl_context: not implemented\n");
}
/* Must be called in the gl thread */
void
gst_gl_window_set_draw_callback (GstGLWindow *window, GstGLWindowCB callback, gpointer data)
{
GstGLWindowPrivate *priv = window->priv;
priv->draw_cb = callback;
priv->draw_data = data;
}
/* Must be called in the gl thread */
void
gst_gl_window_set_resize_callback (GstGLWindow *window, GstGLWindowCB2 callback , gpointer data)
{
GstGLWindowPrivate *priv = window->priv;
priv->resize_cb = callback;
priv->resize_data = data;
}
/* Must be called in the gl thread */
void
gst_gl_window_set_close_callback (GstGLWindow *window, GstGLWindowCB callback, gpointer data)
{
GstGLWindowPrivate *priv = window->priv;
priv->close_cb = callback;
priv->close_data = data;
}
void
gst_gl_window_draw_unlocked (GstGLWindow *window)
{
gst_gl_window_draw (window);
}
/* Thread safe */
void
gst_gl_window_draw (GstGLWindow *window)
{
GstGLWindowPrivate *priv = window->priv;
if (!priv->visible)
{
ShowWindowAsync (priv->internal_win_id, SW_SHOW);
priv->visible = TRUE;
}
RedrawWindow (priv->internal_win_id, NULL, NULL,
RDW_NOERASE | RDW_INTERNALPAINT | RDW_INVALIDATE);
}
void
gst_gl_window_run_loop (GstGLWindow *window)
{
GstGLWindowPrivate *priv = window->priv;
gboolean running = TRUE;
gboolean bRet = FALSE;
MSG msg;
g_debug ("begin loop\n");
while (running && (bRet = GetMessage (&msg, NULL, 0, 0)) != 0)
{
if (bRet == -1)
{
g_error ("Failed to get message %x\r\n", GetLastError());
running = FALSE;
}
else
{
TranslateMessage (&msg);
DispatchMessage (&msg);
}
}
g_debug ("end loop\n");
}
/* Thread safe */
void
gst_gl_window_quit_loop (GstGLWindow *window, GstGLWindowCB callback, gpointer data)
{
if (window)
{
GstGLWindowPrivate *priv = window->priv;
LRESULT res = PostMessage(priv->internal_win_id, WM_GST_GL_WINDOW_QUIT, (WPARAM) data, (LPARAM) callback);
g_assert (SUCCEEDED (res));
g_debug ("end loop requested\n");
}
}
/* Thread safe */
void
gst_gl_window_send_message (GstGLWindow *window, GstGLWindowCB callback, gpointer data)
{
if (window)
{
GstGLWindowPrivate *priv = window->priv;
LRESULT res = SendMessage (priv->internal_win_id, WM_GST_GL_WINDOW_CUSTOM, (WPARAM) data, (LPARAM) callback);
g_assert (SUCCEEDED (res));
}
}
LRESULT CALLBACK window_proc (HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
{
if (uMsg == WM_CREATE) {
GstGLWindow *window = (GstGLWindow *) (((LPCREATESTRUCT) lParam)->lpCreateParams);
g_debug ("WM_CREATE\n");
g_assert (window);
{
EGLint majorVersion;
EGLint minorVersion;
EGLint numConfigs;
EGLConfig config;
EGLint contextAttribs[] = { EGL_CONTEXT_CLIENT_VERSION, 2, EGL_NONE, EGL_NONE };
EGLint attribList[] =
{
EGL_RED_SIZE, 5,
EGL_GREEN_SIZE, 6,
EGL_BLUE_SIZE, 5,
EGL_ALPHA_SIZE, 8,
EGL_DEPTH_SIZE, 8,
EGL_STENCIL_SIZE, 8,
EGL_SAMPLE_BUFFERS, EGL_DONT_CARE, //1
EGL_NONE
};
GstGLWindowPrivate *priv = window->priv;
priv->display = eglGetDisplay (GetDC (hWnd));
if (priv->display != EGL_NO_DISPLAY)
g_debug ("display retrieved: %d\n", priv->display);
else
g_debug ("failed to retrieve display %d, %s\n", hWnd, EGLErrorString());
if (eglInitialize (priv->display, &majorVersion, &minorVersion))
g_debug ("egl initialized: %d.%d\n", majorVersion, minorVersion);
else
g_debug ("failed to initialize egl %d, %s\n", priv->display, EGLErrorString());
if (eglGetConfigs (priv->display, NULL, 0, &numConfigs))
g_debug ("configs retrieved: %d\n", numConfigs);
else
g_debug ("failed to retrieve configs %d, %s\n", priv->display, EGLErrorString());
if (eglChooseConfig (priv->display, attribList, &config, 1, &numConfigs))
g_debug ("config set: %d, %d\n", config, numConfigs);
else
g_debug ("failed to set config %d, %s\n", priv->display, EGLErrorString());
priv->surface = eglCreateWindowSurface (priv->display, config, (EGLNativeWindowType)hWnd, NULL);
if (priv->surface != EGL_NO_SURFACE)
g_debug ("surface created: %d\n", priv->surface);
else
g_debug ("failed to create surface %d, %d, %d, %s\n", priv->display, priv->surface, hWnd, EGLErrorString());
priv->gl_context = eglCreateContext (priv->display, config, EGL_NO_CONTEXT, contextAttribs);
if (priv->gl_context != EGL_NO_CONTEXT)
g_debug ("gl context created: %d\n", priv->gl_context);
else
g_debug ("failed to create glcontext %d, %d, s\n", priv->gl_context, hWnd, EGLErrorString());
ReleaseDC (hWnd, priv->display);
if (!eglMakeCurrent (priv->display, priv->surface, priv->surface, priv->gl_context))
g_debug ("failed to make opengl context current %d, %s\n", hWnd, EGLErrorString());
}
SetProp (hWnd, "gl_window", window);
return 0;
}
else if (GetProp(hWnd, "gl_window")) {
GstGLWindow *window = GetProp(hWnd, "gl_window");
GstGLWindowPrivate *priv = NULL;
g_assert (window);
priv = window->priv;
g_assert (priv);
g_assert (priv->internal_win_id == hWnd);
g_assert (priv->gl_context == eglGetCurrentContext());
switch ( uMsg ) {
case WM_SIZE:
{
if (priv->resize_cb)
priv->resize_cb (priv->resize_data, LOWORD(lParam), HIWORD(lParam));
break;
}
case WM_PAINT:
{
if (priv->draw_cb)
{
priv->draw_cb (priv->draw_data);
eglSwapBuffers (priv->display, priv->surface);
ValidateRect (hWnd, NULL);
}
break;
}
case WM_CLOSE:
{
ShowWindowAsync (priv->internal_win_id, SW_HIDE);
if (priv->close_cb)
priv->close_cb (priv->close_data);
priv->draw_cb = NULL;
priv->draw_data = NULL;
priv->resize_cb = NULL;
priv->resize_data = NULL;
priv->close_cb = NULL;
priv->close_data = NULL;
break;
}
case WM_GST_GL_WINDOW_QUIT:
{
HWND parent_id = 0;
GstGLWindowCB destroy_cb = (GstGLWindowCB) lParam;
g_debug ("WM_CLOSE\n");
destroy_cb ((gpointer) wParam);
parent_id = GetProp (hWnd, "gl_window_parent_id");
if (parent_id)
{
WNDPROC parent_proc = GetProp (parent_id, "gl_window_parent_proc");
g_assert (parent_proc);
SetWindowLongPtr (parent_id, GWL_WNDPROC, (LONG) (guint64) parent_proc);
SetParent (hWnd, NULL);
RemoveProp (parent_id, "gl_window_parent_proc");
RemoveProp (hWnd, "gl_window_parent_id");
}
priv->is_closed = TRUE;
RemoveProp (hWnd, "gl_window");
if (!eglMakeCurrent (priv->display, priv->surface, priv->surface, EGL_NO_CONTEXT))
g_debug ("failed to make current null context %d, %s\n", priv->display, EGLErrorString());
if (priv->gl_context)
{
if (!eglDestroyContext (priv->display, priv->gl_context))
g_debug ("failed to destroy context %d, %s\n", priv->gl_context, EGLErrorString());
priv->gl_context = NULL;
}
if (priv->surface)
{
if (!eglDestroySurface (priv->display, priv->surface))
g_debug ("failed to destroy surface %d, %s\n", priv->surface, EGLErrorString());
priv->surface = NULL;
}
if (priv->surface)
{
if (!eglTerminate (priv->display))
g_debug ("failed to terminate display %d, %s\n", priv->display, EGLErrorString());
priv->surface = NULL;
}
if (priv->internal_win_id)
{
if (!DestroyWindow(priv->internal_win_id))
g_debug ("failed to destroy window %d, 0x%x\n", hWnd, GetLastError());
}
PostQuitMessage (0);
break;
}
case WM_CAPTURECHANGED:
{
g_debug ("WM_CAPTURECHANGED\n");
if (priv->draw_cb)
priv->draw_cb (priv->draw_data);
break;
}
case WM_GST_GL_WINDOW_CUSTOM:
{
if (!priv->is_closed)
{
GstGLWindowCB custom_cb = (GstGLWindowCB) lParam;
custom_cb ((gpointer) wParam);
}
break;
}
case WM_ERASEBKGND:
return TRUE;
default:
{
/* transmit messages to the parrent (ex: mouse/keyboard input) */
HWND parent_id = GetProp (hWnd, "gl_window_parent_id");
if (parent_id)
PostMessage (parent_id, uMsg, wParam, lParam);
return DefWindowProc (hWnd, uMsg, wParam, lParam);
}
}
return 0;
}
else
return DefWindowProc( hWnd, uMsg, wParam, lParam );
}
LRESULT FAR PASCAL sub_class_proc (HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
{
WNDPROC window_parent_proc = GetProp (hWnd, "gl_window_parent_proc");
if (uMsg == WM_SIZE)
{
HWND gl_window_id = GetProp (hWnd, "gl_window_id");
MoveWindow (gl_window_id, 0, 0, LOWORD(lParam), HIWORD(lParam), FALSE);
}
return CallWindowProc (window_parent_proc, hWnd, uMsg, wParam, lParam);
}
const gchar* EGLErrorString()
{
EGLint nErr = eglGetError();
switch(nErr){
case EGL_SUCCESS:
return "EGL_SUCCESS";
case EGL_BAD_DISPLAY:
return "EGL_BAD_DISPLAY";
case EGL_NOT_INITIALIZED:
return "EGL_NOT_INITIALIZED";
case EGL_BAD_ACCESS:
return "EGL_BAD_ACCESS";
case EGL_BAD_ALLOC:
return "EGL_BAD_ALLOC";
case EGL_BAD_ATTRIBUTE:
return "EGL_BAD_ATTRIBUTE";
case EGL_BAD_CONFIG:
return "EGL_BAD_CONFIG";
case EGL_BAD_CONTEXT:
return "EGL_BAD_CONTEXT";
case EGL_BAD_CURRENT_SURFACE:
return "EGL_BAD_CURRENT_SURFACE";
case EGL_BAD_MATCH:
return "EGL_BAD_MATCH";
case EGL_BAD_NATIVE_PIXMAP:
return "EGL_BAD_NATIVE_PIXMAP";
case EGL_BAD_NATIVE_WINDOW:
return "EGL_BAD_NATIVE_WINDOW";
case EGL_BAD_PARAMETER:
return "EGL_BAD_PARAMETER";
case EGL_BAD_SURFACE:
return "EGL_BAD_SURFACE";
default:
return "unknown";
}
}

36
gst/gl/gstgldownload.c
View file

@ -74,17 +74,43 @@ GST_ELEMENT_DETAILS ("OpenGL video maker",
"A from GL to video flow filter",
"Julien Isorce <julien.isorce@gmail.com>");
#ifndef OPENGL_ES2
#define ADDITIONAL_CAPS \
#else
#define ADDITIONAL_CAPS
#endif
#ifndef OPENGL_ES2
static GstStaticPadTemplate gst_gl_download_src_pad_template =
GST_STATIC_PAD_TEMPLATE ("src",
GST_PAD_SRC,
GST_PAD_ALWAYS,
GST_STATIC_CAPS (GST_VIDEO_CAPS_RGB ";" GST_VIDEO_CAPS_BGR ";"
GST_VIDEO_CAPS_RGBx ";" GST_VIDEO_CAPS_BGRx ";"
GST_VIDEO_CAPS_xRGB ";" GST_VIDEO_CAPS_xBGR ";"
GST_VIDEO_CAPS_RGBA ";" GST_VIDEO_CAPS_BGRA ";"
GST_VIDEO_CAPS_ARGB ";" GST_VIDEO_CAPS_ABGR ";"
GST_STATIC_CAPS (
GST_VIDEO_CAPS_RGB ";"
GST_VIDEO_CAPS_RGBx ";"
GST_VIDEO_CAPS_RGBA ";"
GST_VIDEO_CAPS_BGR ";"
GST_VIDEO_CAPS_BGRx ";"
GST_VIDEO_CAPS_BGRA ";"
GST_VIDEO_CAPS_xRGB ";"
GST_VIDEO_CAPS_xBGR ";"
GST_VIDEO_CAPS_ARGB ";"
GST_VIDEO_CAPS_ABGR ";"
GST_VIDEO_CAPS_YUV ("{ I420, YV12, YUY2, UYVY, AYUV }"))
);
#else
static GstStaticPadTemplate gst_gl_download_src_pad_template =
GST_STATIC_PAD_TEMPLATE ("src",
GST_PAD_SRC,
GST_PAD_ALWAYS,
GST_STATIC_CAPS (
GST_VIDEO_CAPS_RGB ";"
GST_VIDEO_CAPS_RGBx ";"
GST_VIDEO_CAPS_RGBA ";"
GST_VIDEO_CAPS_YUV ("{ YUY2, UYVY, AYUV }"))
);
#endif
static GstStaticPadTemplate gst_gl_download_sink_pad_template =
GST_STATIC_PAD_TEMPLATE ("sink",

207
gst/gl/gstglfiltercube.c
View file

@ -80,11 +80,59 @@ static void gst_gl_filter_cube_get_property (GObject * object, guint prop_id,
static gboolean gst_gl_filter_cube_set_caps (GstGLFilter * filter,
GstCaps * incaps, GstCaps * outcaps);
#ifdef OPENGL_ES2
static void gst_gl_filter_cube_reset (GstGLFilter * filter);
static void gst_gl_filter_cube_init_shader (GstGLFilter * filter);
#endif
static gboolean gst_gl_filter_cube_filter (GstGLFilter * filter,
GstGLBuffer * inbuf, GstGLBuffer * outbuf);
static void gst_gl_filter_cube_callback (gint width, gint height, guint texture,
gpointer stuff);
#ifdef OPENGL_ES2
//vertex source
static const gchar *cube_v_src =
"attribute vec4 a_position; \n"
"attribute vec2 a_texCoord; \n"
"uniform mat4 u_matrix; \n"
"uniform float xrot_degree, yrot_degree, zrot_degree; \n"
"varying vec2 v_texCoord; \n"
"void main() \n"
"{ \n"
" float PI = 3.14159265; \n"
" float xrot = xrot_degree*2.0*PI/360.0; \n"
" float yrot = yrot_degree*2.0*PI/360.0; \n"
" float zrot = zrot_degree*2.0*PI/360.0; \n"
" mat4 matX = mat4 ( \n"
" 1.0, 0.0, 0.0, 0.0, \n"
" 0.0, cos(xrot), sin(xrot), 0.0, \n"
" 0.0, -sin(xrot), cos(xrot), 0.0, \n"
" 0.0, 0.0, 0.0, 1.0 ); \n"
" mat4 matY = mat4 ( \n"
" cos(yrot), 0.0, -sin(yrot), 0.0, \n"
" 0.0, 1.0, 0.0, 0.0, \n"
" sin(yrot), 0.0, cos(yrot), 0.0, \n"
" 0.0, 0.0, 0.0, 1.0 ); \n"
" mat4 matZ = mat4 ( \n"
" cos(zrot), sin(zrot), 0.0, 0.0, \n"
" -sin(zrot), cos(zrot), 0.0, 0.0, \n"
" 0.0, 0.0, 1.0, 0.0, \n"
" 0.0, 0.0, 0.0, 1.0 ); \n"
" gl_Position = matZ * matY * matX * u_matrix * a_position; \n"
" v_texCoord = a_texCoord; \n"
"} \n";
//fragment source
static const gchar *cube_f_src =
"precision mediump float; \n"
"varying vec2 v_texCoord; \n"
"uniform sampler2D s_texture; \n"
"void main() \n"
"{ \n"
" gl_FragColor = texture2D( s_texture, v_texCoord );\n"
"} \n";
#endif
static void
gst_gl_filter_cube_base_init (gpointer klass)
@ -103,6 +151,10 @@ gst_gl_filter_cube_class_init (GstGLFilterCubeClass * klass)
gobject_class->set_property = gst_gl_filter_cube_set_property;
gobject_class->get_property = gst_gl_filter_cube_get_property;
#ifdef OPENGL_ES2
GST_GL_FILTER_CLASS (klass)->onInitFBO = gst_gl_filter_cube_init_shader;
GST_GL_FILTER_CLASS (klass)->onReset = gst_gl_filter_cube_reset;
#endif
GST_GL_FILTER_CLASS (klass)->set_caps = gst_gl_filter_cube_set_caps;
GST_GL_FILTER_CLASS (klass)->filter = gst_gl_filter_cube_filter;
@ -140,6 +192,9 @@ gst_gl_filter_cube_class_init (GstGLFilterCubeClass * klass)
static void
gst_gl_filter_cube_init (GstGLFilterCube * filter, GstGLFilterCubeClass * klass)
{
#ifdef OPENGL_ES
filter->shader = NULL;
#endif
filter->fovy = 45;
filter->aspect = 0;
filter->znear = 0.1;
@ -205,6 +260,27 @@ gst_gl_filter_cube_set_caps (GstGLFilter * filter, GstCaps * incaps,
return TRUE;
}
#ifdef OPENGL_ES2
static void
gst_gl_filter_cube_reset (GstGLFilter * filter)
{
GstGLFilterCube *cube_filter = GST_GL_FILTER_CUBE (filter);
//blocking call, wait the opengl thread has destroyed the shader
gst_gl_display_del_shader (filter->display, cube_filter->shader);
}
static void
gst_gl_filter_cube_init_shader (GstGLFilter * filter)
{
GstGLFilterCube *cube_filter = GST_GL_FILTER_CUBE (filter);
//blocking call, wait the opengl thread has compiled the shader
gst_gl_display_gen_shader (filter->display, cube_v_src, cube_f_src,
&cube_filter->shader);
}
#endif
static gboolean
gst_gl_filter_cube_filter (GstGLFilter * filter, GstGLBuffer * inbuf,
GstGLBuffer * outbuf)
@ -227,12 +303,13 @@ static void
gst_gl_filter_cube_callback (gint width, gint height, guint texture,
gpointer stuff)
{
GstGLFilterCube *cube_filter = GST_GL_FILTER_CUBE (stuff);
static GLfloat xrot = 0;
static GLfloat yrot = 0;
static GLfloat zrot = 0;
GstGLFilterCube *cube_filter = GST_GL_FILTER_CUBE (stuff);
#ifndef OPENGL_ES2
glEnable (GL_DEPTH_TEST);
glEnable (GL_TEXTURE_RECTANGLE_ARB);
@ -247,6 +324,7 @@ gst_gl_filter_cube_callback (gint width, gint height, guint texture,
glClearColor (cube_filter->red, cube_filter->green, cube_filter->blue, 0.0);
glClear (GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glMatrixMode (GL_MODELVIEW);
glLoadIdentity ();
@ -312,10 +390,131 @@ gst_gl_filter_cube_callback (gint width, gint height, guint texture,
glTexCoord2f ((gfloat) width, (gfloat) height);
glVertex3f (-1.0f, 1.0f, -1.0f);
glEnd ();
#else
const GLfloat v_vertices [] = {
//front face
1.0f, 1.0f, -1.0f,
1.0f, 0.0f,
1.0f, -1.0f, -1.0f,
1.0f, 1.0f,
-1.0f, -1.0f, -1.0f,
0.0f, 1.0f,
-1.0f, 1.0f, -1.0f,
0.0f, 0.0f,
//back face
1.0f, 1.0f, 1.0f,
1.0f, 0.0f,
-1.0f, 1.0f, 1.0f,
0.0f, 0.0f,
-1.0f, -1.0f, 1.0f,
0.0f, 1.0f,
1.0f, -1.0f, 1.0f,
1.0f, 1.0f,
//right face
1.0f, 1.0f, 1.0f,
1.0f, 0.0f,
1.0f, -1.0f, 1.0f,
0.0f, 0.0f,
1.0f, -1.0f, -1.0f,
0.0f, 1.0f,
1.0f, 1.0f, -1.0f,
1.0f, 1.0f,
//left face
-1.0f, 1.0f, 1.0f,
1.0f, 0.0f,
-1.0f, 1.0f, -1.0f,
1.0f, 1.0f,
-1.0f, -1.0f, -1.0f,
0.0f, 1.0f,
-1.0f, -1.0f, 1.0f,
0.0f, 0.0f,
//top face
1.0f, -1.0f, 1.0f,
1.0f, 0.0f,
-1.0f, -1.0f, 1.0f,
0.0f, 0.0f,
-1.0f, -1.0f, -1.0f,
0.0f, 1.0f,
1.0f, -1.0f, -1.0f,
1.0f, 1.0f,
//bottom face
1.0f, 1.0f, 1.0f,
1.0f, 0.0f,
1.0f, 1.0f, -1.0f,
1.0f, 1.0f,
-1.0f, 1.0f, -1.0f,
0.0f, 1.0f,
-1.0f, 1.0f, 1.0f,
0.0f, 0.0f
};
GLushort indices[] = {
0, 1, 2,
0, 2, 3,
4, 5, 6,
4, 6, 7,
8, 9, 10,
8, 10, 11,
12, 13, 14,
12, 14, 15,
16, 17, 18,
16, 18, 19,
20, 21, 22,
20, 22, 23
};
GLint attr_position_loc = 0;
GLint attr_texture_loc = 0;
const GLfloat matrix[] = {
0.5f, 0.0f, 0.0f, 0.0f,
0.0f, 0.5f, 0.0f, 0.0f,
0.0f, 0.0f, 0.5f, 0.0f,
0.0f, 0.0f, 0.0f, 1.0f};
glEnable (GL_DEPTH_TEST);
glClearColor (cube_filter->red, cube_filter->green, cube_filter->blue, 0.0);
glClear (GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
gst_gl_shader_use (cube_filter->shader);
attr_position_loc =
gst_gl_shader_get_attribute_location (cube_filter->shader,
"a_position");
attr_texture_loc =
gst_gl_shader_get_attribute_location (cube_filter->shader,
"a_texCoord");
//Load the vertex position
glVertexAttribPointer (attr_position_loc, 3, GL_FLOAT,
GL_FALSE, 5 * sizeof(GLfloat), v_vertices);
//Load the texture coordinate
glVertexAttribPointer (attr_texture_loc, 2, GL_FLOAT,
GL_FALSE, 5 * sizeof(GLfloat), &v_vertices[3]);
glEnableVertexAttribArray (attr_position_loc);
glEnableVertexAttribArray (attr_texture_loc);
glActiveTexture (GL_TEXTURE0);
glBindTexture (GL_TEXTURE_2D, texture);
gst_gl_shader_set_uniform_1i (cube_filter->shader, "s_texture", 0);
gst_gl_shader_set_uniform_1f (cube_filter->shader, "xrot_degree", xrot);
gst_gl_shader_set_uniform_1f (cube_filter->shader, "yrot_degree", yrot);
gst_gl_shader_set_uniform_1f (cube_filter->shader, "zrot_degree", zrot);
gst_gl_shader_set_uniform_matrix_4fv (cube_filter->shader, "u_matrix", 1, GL_FALSE, matrix);
glDrawElements (GL_TRIANGLES, 36, GL_UNSIGNED_SHORT, indices);
glDisableVertexAttribArray (attr_position_loc);
glDisableVertexAttribArray (attr_texture_loc);
#endif
glDisable (GL_DEPTH_TEST);
xrot += 0.3f;
yrot += 0.2f;
zrot += 0.4f;
glDisable (GL_DEPTH_TEST);
}

4
gst/gl/gstglfiltercube.h
View file

@ -39,6 +39,10 @@ struct _GstGLFilterCube
{
GstGLFilter filter;
#ifdef OPENGL_ES2
GstGLShader *shader;
#endif
//background color
gfloat red;
gfloat green;

14
gst/gl/gstglimagesink.c
View file

@ -124,6 +124,7 @@ GST_ELEMENT_DETAILS ("OpenGL video sink",
"A videosink based on OpenGL",
"Julien Isorce <julien.isorce@gmail.com>");
#ifndef OPENGL_ES2
static GstStaticPadTemplate gst_glimage_sink_template =
GST_STATIC_PAD_TEMPLATE ("sink",
GST_PAD_SINK,
@ -136,6 +137,19 @@ static GstStaticPadTemplate gst_glimage_sink_template =
GST_VIDEO_CAPS_ARGB ";" GST_VIDEO_CAPS_ABGR ";"
GST_VIDEO_CAPS_YUV ("{ I420, YV12, YUY2, UYVY, AYUV }"))
);
#else
static GstStaticPadTemplate gst_glimage_sink_template =
GST_STATIC_PAD_TEMPLATE ("sink",
GST_PAD_SINK,
GST_PAD_ALWAYS,
GST_STATIC_CAPS (
GST_GL_VIDEO_CAPS ";"
GST_VIDEO_CAPS_RGB ";"
GST_VIDEO_CAPS_RGBx ";"
GST_VIDEO_CAPS_RGBA ";"
GST_VIDEO_CAPS_YUV ("{ I420, YV12, YUY2, UYVY, AYUV }"))
);
#endif
enum
{

29
gst/gl/gstglupload.c
View file

@ -89,17 +89,36 @@ GST_STATIC_PAD_TEMPLATE ("src",
);
/* Source pad definition */
#ifndef OPENGL_ES2
static GstStaticPadTemplate gst_gl_upload_sink_pad_template =
GST_STATIC_PAD_TEMPLATE ("sink",
GST_PAD_SINK,
GST_PAD_ALWAYS,
GST_STATIC_CAPS (GST_VIDEO_CAPS_RGB ";" GST_VIDEO_CAPS_BGR ";"
GST_VIDEO_CAPS_RGBx ";" GST_VIDEO_CAPS_BGRx ";"
GST_VIDEO_CAPS_xRGB ";" GST_VIDEO_CAPS_xBGR ";"
GST_VIDEO_CAPS_RGBA ";" GST_VIDEO_CAPS_BGRA ";"
GST_VIDEO_CAPS_ARGB ";" GST_VIDEO_CAPS_ABGR ";"
GST_STATIC_CAPS (
GST_VIDEO_CAPS_RGB ";"
GST_VIDEO_CAPS_RGBx ";"
GST_VIDEO_CAPS_RGBA ";"
GST_VIDEO_CAPS_BGR ";"
GST_VIDEO_CAPS_BGRx ";"
GST_VIDEO_CAPS_BGRA ";"
GST_VIDEO_CAPS_xRGB ";"
GST_VIDEO_CAPS_xBGR ";"
GST_VIDEO_CAPS_ARGB ";"
GST_VIDEO_CAPS_ABGR ";"
GST_VIDEO_CAPS_YUV ("{ I420, YV12, YUY2, UYVY, AYUV }"))
);
#else
static GstStaticPadTemplate gst_gl_upload_sink_pad_template =
GST_STATIC_PAD_TEMPLATE ("sink",
GST_PAD_SINK,
GST_PAD_ALWAYS,
GST_STATIC_CAPS (
GST_VIDEO_CAPS_RGB ";"
GST_VIDEO_CAPS_RGBx ";"
GST_VIDEO_CAPS_RGBA ";"
GST_VIDEO_CAPS_YUV ("{ I420, YV12, YUY2, UYVY, AYUV }"))
);
#endif
/* Properties */
enum

44
gst/gl/gstopengl.c
View file

@ -43,21 +43,25 @@
#include "config.h"
#endif
#include "gstgltestsrc.h"
#include "gstglupload.h"
#include "gstgldownload.h"
#include "gstglimagesink.h"
#include "gstglfiltercube.h"
GType gst_gl_filter_cube_get_type (void);
#ifndef OPENGL_ES2
#include "gstgltestsrc.h"
#include "gstglfilterlaplacian.h"
#include "gstglfilterglass.h"
#include "gstglfilterapp.h"
#include "gstgldownload.h"
#include "gstglimagesink.h"
#include "gstglcolorscale.h"
#include "gstgleffects.h"
#include "gstglbumper.h"
GType gst_gl_effects_get_type (void);
GType gst_gl_filter_app_get_type (void);
GType gst_gl_filter_cube_get_type (void);
GType gst_gl_filterblur_get_type (void);
GType gst_gl_filtersobel_get_type (void);
GType gst_gl_filter_edge_get_type (void);
@ -66,6 +70,7 @@ GType gst_gl_filter_glass_get_type (void);
GType gst_gl_overlay_get_type (void);
GType gst_gl_differencematte_get_type (void);
GType gst_gl_bumper_get_type (void);
#endif
#define GST_CAT_DEFAULT gst_gl_gstgl_debug
GST_DEBUG_CATEGORY_STATIC (GST_CAT_DEFAULT);
@ -76,13 +81,18 @@ plugin_init (GstPlugin * plugin)
{
GST_DEBUG_CATEGORY_INIT (gst_gl_gstgl_debug, "gstopengl", 0, "gstopengl");
if (!gst_element_register (plugin, "gltestsrc",
GST_RANK_NONE, GST_TYPE_GL_TEST_SRC)) {
if (!gst_element_register (plugin, "glupload",
GST_RANK_NONE, GST_TYPE_GL_UPLOAD)) {
return FALSE;
}
if (!gst_element_register (plugin, "glupload",
GST_RANK_NONE, GST_TYPE_GL_UPLOAD)) {
if (!gst_element_register (plugin, "gldownload",
GST_RANK_NONE, GST_TYPE_GL_DOWNLOAD)) {
return FALSE;
}
if (!gst_element_register (plugin, "glimagesink",
GST_RANK_NONE, GST_TYPE_GLIMAGE_SINK)) {
return FALSE;
}
@ -90,6 +100,13 @@ plugin_init (GstPlugin * plugin)
GST_RANK_NONE, GST_TYPE_GL_FILTER_CUBE)) {
return FALSE;
}
#ifndef OPENGL_ES2
if (!gst_element_register (plugin, "gltestsrc",
GST_RANK_NONE, GST_TYPE_GL_TEST_SRC)) {
return FALSE;
}
if (!gst_element_register (plugin, "gloverlay",
GST_RANK_NONE, gst_gl_overlay_get_type ())) {
return FALSE;
@ -133,20 +150,11 @@ plugin_init (GstPlugin * plugin)
return FALSE;
}
if (!gst_element_register (plugin, "gldownload",
GST_RANK_NONE, GST_TYPE_GL_DOWNLOAD)) {
return FALSE;
}
if (!gst_element_register (plugin, "glimagesink",
GST_RANK_NONE, GST_TYPE_GLIMAGE_SINK)) {
return FALSE;
}
if (!gst_element_register (plugin, "glcolorscale",
GST_RANK_NONE, GST_TYPE_GL_COLORSCALE)) {
return FALSE;
}
#endif
return TRUE;
}