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/gstvaapisurface.h>
27 #include <gst/vaapi/gstvaapiimage.h>
28 #include <gst/vaapi/gstvaapitexture.h>
31 static inline void pause(void)
33 g_print("Press any key to continue...\n");
37 static inline guint gl_get_current_texture_2d(void)
40 glGetIntegerv(GL_TEXTURE_BINDING_2D, &texture);
41 return (guint)texture;
45 main(int argc, char *argv[])
47 GstVaapiDisplay *display;
48 GstVaapiWindow *window;
49 GstVaapiWindowGLX *glx_window;
50 GstVaapiSurface *surface;
52 GstVaapiTexture *textures[2];
53 GstVaapiTexture *texture;
55 GstVaapiRectangle src_rect;
56 GstVaapiRectangle dst_rect;
57 guint flags = GST_VAAPI_PICTURE_STRUCTURE_FRAME;
59 static const GstVaapiChromaType chroma_type = GST_VAAPI_CHROMA_TYPE_YUV420;
60 static const guint width = 320;
61 static const guint height = 240;
62 static const guint win_width = 640;
63 static const guint win_height = 480;
65 gst_init(&argc, &argv);
67 display = gst_vaapi_display_glx_new(NULL);
69 g_error("could not create VA display");
71 surface = gst_vaapi_surface_new(display, chroma_type, width, height);
73 g_error("could not create VA surface");
75 image = image_generate(display, GST_VIDEO_FORMAT_NV12, width, height);
77 g_error("could not create VA image");
78 if (!image_upload(image, surface))
79 g_error("could not upload VA image to surface");
81 window = gst_vaapi_window_glx_new(display, win_width, win_height);
83 g_error("could not create window");
84 glx_window = GST_VAAPI_WINDOW_GLX(window);
86 gst_vaapi_window_show(window);
88 if (!gst_vaapi_window_glx_make_current(glx_window))
89 g_error("coult not bind GL context");
92 g_print("# Create texture with gst_vaapi_texture_new()\n");
95 texture = gst_vaapi_texture_new(
103 g_error("could not create VA texture");
105 textures[0] = texture;
106 texture_id = gst_vaapi_texture_get_id(texture);
108 if (!gst_vaapi_texture_put_surface(texture, surface, flags))
109 g_error("could not transfer VA surface to texture");
111 if (!gst_vaapi_window_glx_put_texture(glx_window, texture, NULL, NULL))
112 g_error("could not render texture into the window");
116 g_print("# Create texture with gst_vaapi_texture_new_with_texture()\n");
119 const GLenum target = GL_TEXTURE_2D;
120 const GLenum format = GL_BGRA;
123 glGenTextures(1, &texture_id);
124 glBindTexture(target, texture_id);
125 glTexParameteri(target, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
126 glTexParameteri(target, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
127 glTexParameteri(target, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
128 glTexParameteri(target, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
129 glPixelStorei(GL_UNPACK_ALIGNMENT, 4);
142 texture = gst_vaapi_texture_new_with_texture(
149 g_error("could not create VA texture");
151 if (texture_id != gst_vaapi_texture_get_id(texture))
152 g_error("invalid texture id");
154 if (gl_get_current_texture_2d() != texture_id)
155 g_error("gst_vaapi_texture_new_with_texture() altered texture bindings");
157 textures[1] = texture;
159 if (!gst_vaapi_texture_put_surface(texture, surface, flags))
160 g_error("could not transfer VA surface to texture");
162 if (gl_get_current_texture_2d() != texture_id)
163 g_error("gst_vaapi_texture_put_surface() altered texture bindings");
167 src_rect.width = width;
168 src_rect.height = height;
170 dst_rect.x = win_width/2;
171 dst_rect.y = win_height/2;
172 dst_rect.width = win_width/2;
173 dst_rect.height = win_height/2;
175 if (!gst_vaapi_window_glx_put_texture(glx_window, texture,
176 &src_rect, &dst_rect))
177 g_error("could not render texture into the window");
179 if (gl_get_current_texture_2d() != texture_id)
180 g_error("gst_vaapi_window_glx_put_texture() altered texture bindings");
183 gst_vaapi_window_glx_swap_buffers(glx_window);
186 gst_vaapi_texture_unref(textures[0]);
187 gst_vaapi_texture_unref(textures[1]);
188 glDeleteTextures(1, &texture_id);
190 gst_vaapi_window_unref(window);
191 gst_vaapi_display_unref(display);