2 * test-textures.c - Test GstVaapiTexture
4 * Copyright (C) 2010-2011 Splitted-Desktop Systems
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public License
8 * as published by the Free Software Foundation; either version 2.1
9 * of the License, or (at your option) any later version.
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free
18 * Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
19 * Boston, MA 02110-1301 USA
22 #include <gst/vaapi/gstvaapidisplay_glx.h>
23 #include <gst/vaapi/gstvaapiwindow_glx.h>
24 #include <gst/vaapi/gstvaapisurface.h>
25 #include <gst/vaapi/gstvaapiimage.h>
26 #include <gst/vaapi/gstvaapitexture.h>
29 static inline void pause(void)
31 g_print("Press any key to continue...\n");
35 static inline guint gl_get_current_texture_2d(void)
38 glGetIntegerv(GL_TEXTURE_BINDING_2D, &texture);
39 return (guint)texture;
43 main(int argc, char *argv[])
45 GstVaapiDisplay *display;
46 GstVaapiWindow *window;
47 GstVaapiWindowGLX *glx_window;
48 GstVaapiSurface *surface;
50 GstVaapiTexture *textures[2];
51 GstVaapiTexture *texture;
53 GstVaapiRectangle src_rect;
54 GstVaapiRectangle dst_rect;
55 guint flags = GST_VAAPI_PICTURE_STRUCTURE_FRAME;
57 static const GstVaapiChromaType chroma_type = GST_VAAPI_CHROMA_TYPE_YUV420;
58 static const guint width = 320;
59 static const guint height = 240;
60 static const guint win_width = 640;
61 static const guint win_height = 480;
63 gst_init(&argc, &argv);
65 display = gst_vaapi_display_glx_new(NULL);
67 g_error("could not create VA display");
69 surface = gst_vaapi_surface_new(display, chroma_type, width, height);
71 g_error("could not create VA surface");
73 image = image_generate(display, GST_VAAPI_IMAGE_NV12, width, height);
75 g_error("could not create VA image");
76 if (!image_upload(image, surface))
77 g_error("could not upload VA image to surface");
79 window = gst_vaapi_window_glx_new(display, win_width, win_height);
81 g_error("could not create window");
82 glx_window = GST_VAAPI_WINDOW_GLX(window);
84 gst_vaapi_window_show(window);
86 if (!gst_vaapi_window_glx_make_current(glx_window))
87 g_error("coult not bind GL context");
90 g_print("# Create texture with gst_vaapi_texture_new()\n");
93 texture = gst_vaapi_texture_new(
101 g_error("could not create VA texture");
103 textures[0] = texture;
104 texture_id = gst_vaapi_texture_get_id(texture);
106 if (!gst_vaapi_texture_put_surface(texture, surface, flags))
107 g_error("could not transfer VA surface to texture");
109 if (!gst_vaapi_window_glx_put_texture(glx_window, texture, NULL, NULL))
110 g_error("could not render texture into the window");
114 g_print("# Create texture with gst_vaapi_texture_new_with_texture()\n");
117 const GLenum target = GL_TEXTURE_2D;
118 const GLenum format = GL_BGRA;
121 glGenTextures(1, &texture_id);
122 glBindTexture(target, texture_id);
123 glTexParameteri(target, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
124 glTexParameteri(target, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
125 glTexParameteri(target, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
126 glTexParameteri(target, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
127 glPixelStorei(GL_UNPACK_ALIGNMENT, 4);
140 texture = gst_vaapi_texture_new_with_texture(
147 g_error("could not create VA texture");
149 if (texture_id != gst_vaapi_texture_get_id(texture))
150 g_error("invalid texture id");
152 if (gl_get_current_texture_2d() != texture_id)
153 g_error("gst_vaapi_texture_new_with_texture() altered texture bindings");
155 textures[1] = texture;
157 if (!gst_vaapi_texture_put_surface(texture, surface, flags))
158 g_error("could not transfer VA surface to texture");
160 if (gl_get_current_texture_2d() != texture_id)
161 g_error("gst_vaapi_texture_put_surface() altered texture bindings");
165 src_rect.width = width;
166 src_rect.height = height;
168 dst_rect.x = win_width/2;
169 dst_rect.y = win_height/2;
170 dst_rect.width = win_width/2;
171 dst_rect.height = win_height/2;
173 if (!gst_vaapi_window_glx_put_texture(glx_window, texture,
174 &src_rect, &dst_rect))
175 g_error("could not render texture into the window");
177 if (gl_get_current_texture_2d() != texture_id)
178 g_error("gst_vaapi_window_glx_put_texture() altered texture bindings");
181 gst_vaapi_window_glx_swap_buffers(glx_window);
184 g_object_unref(textures[0]);
185 g_object_unref(textures[1]);
186 glDeleteTextures(1, &texture_id);
188 g_object_unref(window);
189 g_object_unref(display);