static gboolean app_run (App * app, int argc, char *argv[]) { if (argc < 2) { g_message ("no bitstream file specified"); return FALSE; } app->file_name = g_strdup (argv[1]); if (!g_file_test (app->file_name, G_FILE_TEST_IS_REGULAR)) { g_message ("failed to find file '%s'", app->file_name); return FALSE; } app->codec = identify_codec (app->file_name); if (!app->codec) { app->codec = identify_codec_from_string (g_codec_str); if (!app->codec) { g_message ("failed to identify codec for '%s'", app->file_name); return FALSE; } } g_print ("Simple decoder (%s bitstream)\n", string_from_codec (app->codec)); app->display = video_output_create_display (NULL); if (!app->display) { g_message ("failed to create VA display"); return FALSE; } app->window = video_output_create_window (app->display, app->window_width, app->window_height); if (!app->window) { g_message ("failed to create window"); return FALSE; } gst_vaapi_window_show (app->window); if (!start_decoder (app)) { g_message ("failed to start decoder thread"); return FALSE; } if (!start_renderer (app)) { g_message ("failed to start renderer thread"); return FALSE; } app_check_events (app); stop_renderer (app); stop_decoder (app); g_print ("Decoded %u frames", app->num_frames); if (g_benchmark) { const gdouble elapsed = g_timer_elapsed (app->timer, NULL); g_print (" in %.2f sec (%.1f fps)\n", elapsed, (gdouble) app->num_frames / elapsed); } g_print ("\n"); return TRUE; }
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; }