mutter/examples/test-video.c

#include <clutter/clutter.h>

ClutterElement *rect; /* um... */

gboolean 
foo (gpointer data)
{
  static int i = 0;

  clutter_element_set_opacity (CLUTTER_ELEMENT(data), i);

  i += 10;

  if (i>255) i = 0;

  return TRUE;
}

void input_cb (ClutterStage *stage, 
	       ClutterEvent *event,
	       gpointer      user_data)
{
  ClutterVideoTexture *vtex = CLUTTER_VIDEO_TEXTURE(user_data);
  static gint paused = 0;

  if (event->type == CLUTTER_KEY_RELEASE)
    {
      if (paused)
	{
	  clutter_video_texture_play (vtex, NULL);
	  paused = 0;
	}
      else
	{
	  clutter_video_texture_pause (vtex);
	  paused = 1;
	}
    }
}

void
size_change (ClutterTexture *texture, 
	     gint            width,
	     gint            height,
	     gpointer        user_data)
{
  ClutterGeometry stage_geom;
  gint            vid_width, vid_height, new_y, new_height;

  clutter_element_get_geometry (CLUTTER_ELEMENT(clutter_stage()), 
				&stage_geom);

  clutter_texture_get_base_size (texture, &vid_width, &vid_height);

  printf("*** vid : %ix%i stage %ix%i ***\n", 
	 vid_width, vid_height, stage_geom.width, stage_geom.height);


  new_height = ( vid_height * stage_geom.width ) / vid_width;
  new_y      = (stage_geom.height - new_height) / 2;

  clutter_element_set_position (CLUTTER_ELEMENT(texture), 0, new_y);

  clutter_element_set_size (CLUTTER_ELEMENT(texture),
			    stage_geom.width,
			    new_height);

  clutter_element_set_opacity (CLUTTER_ELEMENT(texture), 50);

  printf("*** Pos set to +%i+%i , %ix%i ***\n", 
	 0, new_y, stage_geom.width, new_height);
}

void 
tick (ClutterVideoTexture *cvt, 
      gint64              current_time, 
      gint64              stream_length,
      float               current_position, 
      gboolean            seekable,
      gpointer            userdata)
{
  gint          w, h;
  gchar         buf[256];
  ClutterLabel *label = CLUTTER_LABEL(userdata);

  g_snprintf(buf, 256, "%lli/%lli secs", 
	     current_time / 1000,
	     stream_length / 1000); 

  clutter_label_set_text (label, buf);
  clutter_texture_get_base_size (CLUTTER_TEXTURE(label), &w, &h);
  clutter_element_set_size(rect, w+10, h+10);
}

int
main (int argc, char *argv[])
{
  ClutterElement        *label, *vtexture, *ctexture; 
  GError                *err = NULL;

  if (argc < 2)
    g_error("%s <video file>", argv[0]);

  clutter_init (&argc, &argv);

  vtexture = clutter_video_texture_new ();

  /* Broken..
  g_object_set(vtexture, "repeat-x", TRUE, NULL);
  g_object_set(vtexture, "repeat-y", TRUE, NULL);
  */

  printf("tiled okey\n");

  if (vtexture == NULL || err != NULL)
    {
      g_error("failed to create vtexture, err: %s", err->message);
    }

  label = clutter_label_new_with_text ("Sans Bold 24", "Loading...");

  clutter_element_set_position(label, 10, 10);

  rect = clutter_rectangle_new (0xdededfaa);
  clutter_element_set_size(rect, 0, 0);
  clutter_element_set_position(rect, 5, 5);

  ctexture = clutter_clone_texture_new (CLUTTER_TEXTURE(vtexture));

  clutter_element_set_size (ctexture, 640, 50);
  clutter_element_set_position (ctexture, 0, 430);

  /*
  clutter_element_set_clip (CLUTTER_ELEMENT(clutter_stage()), 
			    0, 0, 100, 100);
  */

  clutter_video_texture_open(CLUTTER_VIDEO_TEXTURE(vtexture), 
			     argv[1],
			     NULL,
			     NULL);

  clutter_group_add(clutter_stage(), vtexture);
  clutter_group_add(clutter_stage(), rect);
  clutter_group_add(clutter_stage(), label);
  clutter_group_add(clutter_stage(), ctexture);

  clutter_stage_set_color (CLUTTER_STAGE(clutter_stage()), 0xFFFFFF00); 

  g_signal_connect (clutter_stage(), "input-event",
		    G_CALLBACK (input_cb), 
		    vtexture);

  clutter_group_show_all(clutter_stage());


  if (!clutter_video_texture_play(CLUTTER_VIDEO_TEXTURE(vtexture), NULL))
      g_error("failed to play vtexture");

  g_signal_connect (vtexture, "tick",
		    G_CALLBACK (tick), 
		    label);

  g_object_set (G_OBJECT(vtexture), "sync-size", FALSE, NULL);

  g_signal_connect (CLUTTER_TEXTURE(vtexture), 
		    "size-change",
		    G_CALLBACK (size_change), NULL);

  /* g_timeout_add (100, foo, vtexture); */

  clutter_main();

  return 0;
}