static void _seek_cb (OlScrollWindow *scroll,
guint id,
gdouble percentage,
gpointer userdata)
{
OlScrollModule *module = userdata;
if (module->lrc)
{
OlLrcIter *iter = ol_lrc_iter_from_id (module->lrc, id);
if (!ol_lrc_iter_is_valid (iter))
{
ol_errorf ("Seek to an invalid ID: %u\n", id);
ol_lrc_iter_free (iter);
return;
}
gint64 iter_time = ol_lrc_iter_get_timestamp (iter);
guint64 duration = ol_lrc_iter_get_duration (iter);
ol_lrc_iter_free (iter);
gint64 new_time = iter_time + duration * percentage;
ol_player_seek (module->player, new_time);
ol_scroll_window_set_progress (module->scroll,
id,
percentage);
/* avoid players send played time before seeked. */
g_usleep (200000);
}
}
void
ol_scroll_module_set_lrc (struct OlDisplayModule *module,
OlLrc *lrc)
{
ol_log_func ();
ol_assert (module != NULL);
ol_assert (module != NULL);
OlScrollModule *priv = ol_display_module_get_data (module);
ol_assert (priv != NULL);
if (priv->lrc != NULL)
g_object_unref (priv->lrc);
priv->lrc = lrc;
if (priv->lrc == NULL)
ol_scroll_window_set_whole_lyrics(priv->scroll, NULL);
else
{
g_object_ref (priv->lrc);
/*dump the whole lyrics of a song*/
GPtrArray *text_array = g_ptr_array_new_with_free_func (g_free);
OlLrcIter *iter = ol_lrc_iter_from_id (lrc, 0);
const char *text = NULL;
while (ol_lrc_iter_loop (iter, NULL, NULL, &text))
{
g_ptr_array_add (text_array, g_strdup (text));
}
ol_scroll_window_set_whole_lyrics(priv->scroll, text_array);
g_ptr_array_unref (text_array);
ol_lrc_iter_free (iter);
}
}
static void
ol_osd_module_set_played_time (struct OlDisplayModule *module,
guint64 played_time)
{
ol_assert (module != NULL);
OlOsdModule *priv = ol_display_module_get_data (module);
ol_assert (priv != NULL);
if (priv->lrc != NULL && priv->window != NULL)
{
OlLrcIter *iter = ol_lrc_iter_from_timestamp (priv->lrc,
played_time);
if (_advance_to_nonempty_lyric (iter))
{
gint id = ol_lrc_iter_get_id (iter);
if (id != priv->lrc_id)
{
if (id == priv->lrc_next_id)
{
/* advance to the next line */
ol_osd_window_set_percentage (priv->window, priv->current_line, 1.0);
priv->current_line = 1 - priv->current_line;
priv->lrc_id = priv->lrc_next_id;
priv->lrc_next_id = -1;
ol_osd_window_set_current_line (priv->window, priv->current_line);
}
else
{
/* The user seeks the position or there is only 1 line in OSD window.
Reset the lyrics. */
priv->lrc_id = id;
priv->current_line = 0;
ol_osd_window_set_current_line (priv->window, 0);
ol_osd_window_set_lyric (priv->window, priv->current_line,
ol_lrc_iter_get_text (iter));
ol_osd_module_update_next_lyric (priv, iter);
}
}
gdouble percentage = ol_lrc_iter_compute_percentage (iter, played_time);
ol_osd_window_set_current_percentage (priv->window, percentage);
if (percentage > 0.5 && priv->lrc_next_id == -1)
ol_osd_module_update_next_lyric (priv, iter);
}
else if (priv->lrc_id != -1)
{
clear_lyrics (priv);
}
ol_lrc_iter_free (iter);
}
}
static void
ol_scroll_module_set_played_time (struct OlDisplayModule *module,
guint64 played_time)
{
ol_assert (module != NULL);
OlScrollModule *priv = ol_display_module_get_data (module);
ol_assert (priv != NULL);
if (priv->lrc != NULL && priv->scroll != NULL)
{
OlLrcIter *iter = ol_lrc_iter_from_timestamp (priv->lrc,
played_time);
ol_scroll_window_set_progress (priv->scroll,
ol_lrc_iter_get_id (iter),
ol_lrc_iter_compute_percentage (iter, played_time));
ol_lrc_iter_free (iter);
}
}
