int main(int argc, char *argv[]) { GstVaapiDisplay *display, *display2; guint width, height, par_n, par_d; gst_init(&argc, &argv); #if USE_DRM g_print("#\n"); g_print("# Create display with gst_vaapi_display_drm_new()\n"); g_print("#\n"); { display = gst_vaapi_display_drm_new(NULL); if (!display) g_error("could not create Gst/VA display"); dump_info(display); gst_vaapi_display_unref(display); } g_print("\n"); g_print("#\n"); g_print("# Create display with gst_vaapi_display_drm_new_with_device()\n"); g_print("#\n"); { int drm_device; drm_device = open(DRM_DEVICE_PATH, O_RDWR|O_CLOEXEC); if (drm_device < 0) g_error("could not open DRM device"); display = gst_vaapi_display_drm_new_with_device(drm_device); if (!display) g_error("could not create Gst/VA display"); dump_info(display); gst_vaapi_display_unref(display); close(drm_device); } g_print("\n"); g_print("#\n"); g_print("# Create display with gst_vaapi_display_new_with_display() [vaGetDisplayDRM()]\n"); g_print("#\n"); { int drm_device; VADisplay va_display; drm_device = open(DRM_DEVICE_PATH, O_RDWR|O_CLOEXEC); if (drm_device < 0) g_error("could not open DRM device"); va_display = vaGetDisplayDRM(drm_device); if (!va_display) g_error("could not create VA display"); display = gst_vaapi_display_new_with_display(va_display); if (!display) g_error("could not create Gst/VA display"); dump_info(display); gst_vaapi_display_unref(display); close(drm_device); } g_print("\n"); #endif #if USE_X11 g_print("#\n"); g_print("# Create display with gst_vaapi_display_x11_new()\n"); g_print("#\n"); { display = gst_vaapi_display_x11_new(NULL); if (!display) g_error("could not create Gst/VA display"); if (CHECK_DISPLAY_CACHE) { display2 = gst_vaapi_display_x11_new(NULL); /* Check for the same X11 display */ g_assert(gst_vaapi_display_x11_get_display( GST_VAAPI_DISPLAY_X11(display)) == gst_vaapi_display_x11_get_display( GST_VAAPI_DISPLAY_X11(display2))); /* Check for the same VA display */ g_assert(gst_vaapi_display_get_display(display) == gst_vaapi_display_get_display(display2)); gst_vaapi_display_unref(display2); #if USE_GLX display2 = gst_vaapi_display_glx_new(NULL); /* Check for the different X11 display */ /* XXX: it is also desired to cache underlying X11 displays */ g_assert(gst_vaapi_display_x11_get_display( GST_VAAPI_DISPLAY_X11(display)) != gst_vaapi_display_x11_get_display( GST_VAAPI_DISPLAY_X11(display2))); /* Check for different VA display */ g_assert(gst_vaapi_display_get_display(display) != gst_vaapi_display_get_display(display2)); gst_vaapi_display_unref(display2); #endif } gst_vaapi_display_get_size(display, &width, &height); g_print("Display size: %ux%u\n", width, height); gst_vaapi_display_get_pixel_aspect_ratio(display, &par_n, &par_d); g_print("Pixel aspect ratio: %u/%u\n", par_n, par_d); dump_info(display); gst_vaapi_display_unref(display); } g_print("\n"); g_print("#\n"); g_print("# Create display with gst_vaapi_display_x11_new_with_display()\n"); g_print("#\n"); { Display *x11_display; x11_display = XOpenDisplay(NULL); if (!x11_display) g_error("could not create X11 display"); display = gst_vaapi_display_x11_new_with_display(x11_display); if (!display) g_error("could not create Gst/VA display"); if (CHECK_DISPLAY_CACHE) { display2 = gst_vaapi_display_x11_new_with_display(x11_display); /* Check for the same VA display */ g_assert(gst_vaapi_display_get_display(display) == gst_vaapi_display_get_display(display2)); gst_vaapi_display_unref(display2); } dump_info(display); gst_vaapi_display_unref(display); XCloseDisplay(x11_display); } g_print("\n"); g_print("#\n"); g_print("# Create display with gst_vaapi_display_new_with_display() [vaGetDisplay()]\n"); g_print("#\n"); { Display *x11_display; VADisplay va_display; x11_display = XOpenDisplay(NULL); if (!x11_display) g_error("could not create X11 display"); va_display = vaGetDisplay(x11_display); if (!va_display) g_error("could not create VA display"); display = gst_vaapi_display_new_with_display(va_display); if (!display) g_error("could not create Gst/VA display"); dump_info(display); gst_vaapi_display_unref(display); XCloseDisplay(x11_display); } g_print("\n"); #endif #if USE_GLX g_print("#\n"); g_print("# Create display with gst_vaapi_display_glx_new()\n"); g_print("#\n"); { display = gst_vaapi_display_glx_new(NULL); if (!display) g_error("could not create Gst/VA display"); if (CHECK_DISPLAY_CACHE) { display2 = gst_vaapi_display_glx_new(NULL); /* Check for the same X11 display */ g_assert(gst_vaapi_display_x11_get_display( GST_VAAPI_DISPLAY_X11(display)) == gst_vaapi_display_x11_get_display( GST_VAAPI_DISPLAY_X11(display2))); /* Check for the same VA display */ g_assert(gst_vaapi_display_get_display(display) == gst_vaapi_display_get_display(display2)); gst_vaapi_display_unref(display2); display2 = gst_vaapi_display_x11_new(NULL); /* Check for the same X11 display */ g_assert(gst_vaapi_display_x11_get_display( GST_VAAPI_DISPLAY_X11(display)) == gst_vaapi_display_x11_get_display( GST_VAAPI_DISPLAY_X11(display2))); /* Check for the same VA display */ g_assert(gst_vaapi_display_get_display(display) == gst_vaapi_display_get_display(display2)); gst_vaapi_display_unref(display2); } gst_vaapi_display_get_size(display, &width, &height); g_print("Display size: %ux%u\n", width, height); gst_vaapi_display_get_pixel_aspect_ratio(display, &par_n, &par_d); g_print("Pixel aspect ratio: %u/%u\n", par_n, par_d); dump_info(display); gst_vaapi_display_unref(display); } g_print("\n"); g_print("#\n"); g_print("# Create display with gst_vaapi_display_glx_new_with_display()\n"); g_print("#\n"); { Display *x11_display; x11_display = XOpenDisplay(NULL); if (!x11_display) g_error("could not create X11 display"); display = gst_vaapi_display_glx_new_with_display(x11_display); if (!display) g_error("could not create Gst/VA display"); dump_info(display); gst_vaapi_display_unref(display); XCloseDisplay(x11_display); } g_print("\n"); #ifdef HAVE_VA_VA_GLX_H g_print("#\n"); g_print("# Create display with gst_vaapi_display_new_with_display() [vaGetDisplayGLX()]\n"); g_print("#\n"); { Display *x11_display; VADisplay va_display; x11_display = XOpenDisplay(NULL); if (!x11_display) g_error("could not create X11 display"); va_display = vaGetDisplayGLX(x11_display); if (!va_display) g_error("could not create VA display"); display = gst_vaapi_display_new_with_display(va_display); if (!display) g_error("could not create Gst/VA display"); dump_info(display); gst_vaapi_display_unref(display); XCloseDisplay(x11_display); } g_print("\n"); #endif #endif #if USE_WAYLAND g_print("#\n"); g_print("# Create display with gst_vaapi_display_wayland_new()\n"); g_print("#\n"); { display = gst_vaapi_display_wayland_new(NULL); if (!display) g_error("could not create Gst/VA display"); gst_vaapi_display_get_size(display, &width, &height); g_print("Display size: %ux%u\n", width, height); gst_vaapi_display_get_pixel_aspect_ratio(display, &par_n, &par_d); g_print("Pixel aspect ratio: %u/%u\n", par_n, par_d); dump_info(display); gst_vaapi_display_unref(display); } g_print("\n"); #endif gst_deinit(); return 0; }
int main(int argc, char *argv[]) { GstVaapiDisplay *display; GstVaapiWindow *window; GstVaapiWindowGLX *glx_window; GstVaapiSurface *surface; GstVaapiImage *image; GstVaapiTexture *textures[2]; GstVaapiTexture *texture; GLuint texture_id; GstVaapiRectangle src_rect; GstVaapiRectangle dst_rect; guint flags = GST_VAAPI_PICTURE_STRUCTURE_FRAME; static const GstVaapiChromaType chroma_type = GST_VAAPI_CHROMA_TYPE_YUV420; static const guint width = 320; static const guint height = 240; static const guint win_width = 640; static const guint win_height = 480; gst_init(&argc, &argv); display = gst_vaapi_display_glx_new(NULL); if (!display) g_error("could not create VA display"); surface = gst_vaapi_surface_new(display, chroma_type, width, height); if (!surface) g_error("could not create VA surface"); image = image_generate(display, GST_VAAPI_IMAGE_NV12, width, height); if (!image) g_error("could not create VA image"); if (!image_upload(image, surface)) g_error("could not upload VA image to surface"); window = gst_vaapi_window_glx_new(display, win_width, win_height); if (!window) g_error("could not create window"); glx_window = GST_VAAPI_WINDOW_GLX(window); gst_vaapi_window_show(window); if (!gst_vaapi_window_glx_make_current(glx_window)) g_error("coult not bind GL context"); g_print("#\n"); g_print("# Create texture with gst_vaapi_texture_new()\n"); g_print("#\n"); { texture = gst_vaapi_texture_new( display, GL_TEXTURE_2D, GL_RGBA, width, height ); if (!texture) g_error("could not create VA texture"); textures[0] = texture; texture_id = gst_vaapi_texture_get_id(texture); if (!gst_vaapi_texture_put_surface(texture, surface, flags)) g_error("could not transfer VA surface to texture"); if (!gst_vaapi_window_glx_put_texture(glx_window, texture, NULL, NULL)) g_error("could not render texture into the window"); } g_print("#\n"); g_print("# Create texture with gst_vaapi_texture_new_with_texture()\n"); g_print("#\n"); { const GLenum target = GL_TEXTURE_2D; const GLenum format = GL_BGRA; glEnable(target); glGenTextures(1, &texture_id); glBindTexture(target, texture_id); glTexParameteri(target, GL_TEXTURE_MIN_FILTER, GL_LINEAR); glTexParameteri(target, GL_TEXTURE_MAG_FILTER, GL_LINEAR); glTexParameteri(target, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE); glTexParameteri(target, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE); glPixelStorei(GL_UNPACK_ALIGNMENT, 4); glTexImage2D( target, 0, GL_RGBA8, width, height, 0, format, GL_UNSIGNED_BYTE, NULL ); glDisable(target); texture = gst_vaapi_texture_new_with_texture( display, texture_id, target, format ); if (!texture) g_error("could not create VA texture"); if (texture_id != gst_vaapi_texture_get_id(texture)) g_error("invalid texture id"); if (gl_get_current_texture_2d() != texture_id) g_error("gst_vaapi_texture_new_with_texture() altered texture bindings"); textures[1] = texture; if (!gst_vaapi_texture_put_surface(texture, surface, flags)) g_error("could not transfer VA surface to texture"); if (gl_get_current_texture_2d() != texture_id) g_error("gst_vaapi_texture_put_surface() altered texture bindings"); src_rect.x = 0; src_rect.y = 0; src_rect.width = width; src_rect.height = height; dst_rect.x = win_width/2; dst_rect.y = win_height/2; dst_rect.width = win_width/2; dst_rect.height = win_height/2; if (!gst_vaapi_window_glx_put_texture(glx_window, texture, &src_rect, &dst_rect)) g_error("could not render texture into the window"); if (gl_get_current_texture_2d() != texture_id) g_error("gst_vaapi_window_glx_put_texture() altered texture bindings"); } gst_vaapi_window_glx_swap_buffers(glx_window); pause(); g_object_unref(textures[0]); g_object_unref(textures[1]); glDeleteTextures(1, &texture_id); g_object_unref(window); g_object_unref(display); gst_deinit(); return 0; }