/* LVAVS Preset */
LVAVSPipeline *lvavs_pipeline_new ()
{
LVAVSPipeline *pipeline;
VisColor *col = visual_color_black();
int i,j;
pipeline = visual_mem_new0 (LVAVSPipeline, 1);
pipeline->dummy_vid = visual_video_new_with_buffer(0, 0, 1);
pipeline->last_vid = visual_video_new_with_buffer(0, 0, 1);
for(i = 0; i < sizeof(pipeline->buffers) / sizeof(VisVideo); i++) {
pipeline->buffers[i] = visual_video_new_with_buffer(0, 0, 1);
}
for (j=0;j<256;j++)
for (i=0;i<256;i++)
pipeline->blendtable[i][j] = (unsigned char)((i / 255.0) * (float)j);
/* Do the VisObject initialization */
visual_object_set_allocated (VISUAL_OBJECT (pipeline), TRUE);
visual_object_initialize (VISUAL_OBJECT (pipeline), TRUE, lvavs_pipeline_dtor);
return pipeline;
}
static int negotiate_video (VisActor *actor, int noevent)
{
VisActorPlugin *actplugin = get_actor_plugin (actor);
int tmpwidth, tmpheight, tmppitch;
tmpwidth = actor->video->width;
tmpheight = actor->video->height;
tmppitch = actor->video->pitch;
/* Pump the resize events and handle all the pending events */
actplugin->requisition (visual_actor_get_plugin (actor), &actor->video->width, &actor->video->height);
if (noevent == FALSE) {
visual_event_queue_add_resize (&actor->plugin->eventqueue, actor->video,
actor->video->width, actor->video->height);
visual_plugin_events_pump (actor->plugin);
}
/* Size fitting enviroment */
if (tmpwidth != actor->video->width || tmpheight != actor->video->height) {
if (actor->video->depth != VISUAL_VIDEO_DEPTH_GL) {
actor->fitting = visual_video_new_with_buffer (actor->video->width,
actor->video->height, actor->video->depth);
}
visual_video_set_dimension (actor->video, tmpwidth, tmpheight);
}
/* Set the pitch seen this is the framebuffer context */
visual_video_set_pitch (actor->video, tmppitch);
return VISUAL_OK;
}
static VisVideo *visvideo_from_gdkpixbuf (GdkPixbuf *src)
{
int width = gdk_pixbuf_get_width (src);
int height = gdk_pixbuf_get_height (src);
VisVideoDepth depth = visual_video_depth_enum_from_value (gdk_pixbuf_get_n_channels (src) * 8);
/* Wrap GdkPixbuf's pixel buffer in VisVideo */
VisVideo *bgr = visual_video_new_wrap_buffer (gdk_pixbuf_get_pixels (src),
FALSE,
width,
height,
depth,
gdk_pixbuf_get_rowstride (src));
/* Flip RGB byte order */
VisVideo *target = visual_video_new_with_buffer (width, height, depth);
visual_video_flip_pixel_bytes (target, bgr);
visual_video_unref (bgr);
return target;
}
