2 * test-textures.c - Test GstVaapiTexture
4 * Copyright (C) 2010-2011 Splitted-Desktop Systems
5 * Author: Gwenole Beauchesne <gwenole.beauchesne@splitted-desktop.com>
7 * This library is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public License
9 * as published by the Free Software Foundation; either version 2.1
10 * of the License, or (at your option) any later version.
12 * This library is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with this library; if not, write to the Free
19 * Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
20 * Boston, MA 02110-1301 USA
23 #include "gst/vaapi/sysdeps.h"
24 #include <gst/vaapi/gstvaapidisplay_glx.h>
25 #include <gst/vaapi/gstvaapiwindow_glx.h>
26 #include <gst/vaapi/gstvaapitexture_glx.h>
27 #include <gst/vaapi/gstvaapisurface.h>
28 #include <gst/vaapi/gstvaapiimage.h>
34 g_print ("Press any key to continue...\n");
39 gl_get_current_texture_2d (void)
42 glGetIntegerv (GL_TEXTURE_BINDING_2D, &texture);
43 return (guint) texture;
47 main (int argc, char *argv[])
49 GstVaapiDisplay *display;
50 GstVaapiWindow *window;
51 GstVaapiWindowGLX *glx_window;
52 GstVaapiSurface *surface;
54 GstVaapiTexture *textures[2];
55 GstVaapiTexture *texture;
57 GstVaapiRectangle src_rect;
58 GstVaapiRectangle dst_rect;
59 guint flags = GST_VAAPI_PICTURE_STRUCTURE_FRAME;
61 static const GstVaapiChromaType chroma_type = GST_VAAPI_CHROMA_TYPE_YUV420;
62 static const guint width = 320;
63 static const guint height = 240;
64 static const guint win_width = 640;
65 static const guint win_height = 480;
67 gst_init (&argc, &argv);
69 display = gst_vaapi_display_glx_new (NULL);
71 g_error ("could not create VA display");
73 surface = gst_vaapi_surface_new (display, chroma_type, width, height);
75 g_error ("could not create VA surface");
77 image = image_generate (display, GST_VIDEO_FORMAT_NV12, width, height);
79 g_error ("could not create VA image");
80 if (!image_upload (image, surface))
81 g_error ("could not upload VA image to surface");
83 window = gst_vaapi_window_glx_new (display, win_width, win_height);
85 g_error ("could not create window");
86 glx_window = GST_VAAPI_WINDOW_GLX (window);
88 gst_vaapi_window_show (window);
90 if (!gst_vaapi_window_glx_make_current (glx_window))
91 g_error ("coult not bind GL context");
94 g_print ("# Create texture with gst_vaapi_texture_glx_new()\n");
97 texture = gst_vaapi_texture_glx_new (display,
98 GL_TEXTURE_2D, GL_RGBA, width, height);
100 g_error ("could not create VA texture");
102 textures[0] = texture;
103 texture_id = gst_vaapi_texture_get_id (texture);
105 if (!gst_vaapi_texture_put_surface (texture, surface, NULL, flags))
106 g_error ("could not transfer VA surface to texture");
108 if (!gst_vaapi_window_glx_put_texture (glx_window, texture, NULL, NULL))
109 g_error ("could not render texture into the window");
113 g_print ("# Create texture with gst_vaapi_texture_glx_new_wrapped()\n");
116 const GLenum target = GL_TEXTURE_2D;
117 const GLenum format = GL_BGRA;
120 glGenTextures (1, &texture_id);
121 glBindTexture (target, texture_id);
122 glTexParameteri (target, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
123 glTexParameteri (target, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
124 glTexParameteri (target, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
125 glTexParameteri (target, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
126 glPixelStorei (GL_UNPACK_ALIGNMENT, 4);
127 glTexImage2D (target,
128 0, GL_RGBA8, width, height, 0, format, GL_UNSIGNED_BYTE, NULL);
131 texture = gst_vaapi_texture_glx_new_wrapped (display,
132 texture_id, target, format);
134 g_error ("could not create VA texture");
136 if (texture_id != gst_vaapi_texture_get_id (texture))
137 g_error ("invalid texture id");
139 if (gl_get_current_texture_2d () != texture_id)
140 g_error ("gst_vaapi_texture_glx_new_wrapped() altered texture bindings");
142 textures[1] = texture;
144 if (!gst_vaapi_texture_put_surface (texture, surface, NULL, flags))
145 g_error ("could not transfer VA surface to texture");
147 if (gl_get_current_texture_2d () != texture_id)
148 g_error ("gst_vaapi_texture_put_surface() altered texture bindings");
152 src_rect.width = width;
153 src_rect.height = height;
155 dst_rect.x = win_width / 2;
156 dst_rect.y = win_height / 2;
157 dst_rect.width = win_width / 2;
158 dst_rect.height = win_height / 2;
160 if (!gst_vaapi_window_glx_put_texture (glx_window, texture,
161 &src_rect, &dst_rect))
162 g_error ("could not render texture into the window");
164 if (gl_get_current_texture_2d () != texture_id)
165 g_error ("gst_vaapi_window_glx_put_texture() altered texture bindings");
168 gst_vaapi_window_glx_swap_buffers (glx_window);
171 gst_mini_object_unref (GST_MINI_OBJECT_CAST (textures[0]));
172 gst_mini_object_unref (GST_MINI_OBJECT_CAST (textures[1]));
173 glDeleteTextures (1, &texture_id);
175 gst_object_unref (window);
176 gst_object_unref (display);