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playback/player: gtk-play: use volume-changed signal from player to update the volume slider.

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This commit is contained in:
Brijesh Singh 2015-06-04 06:51:14 -05:00 committed by Sebastian Dröge
parent 80eefca0d1
commit 2a2c10ac25
1 changed files with 22 additions and 0 deletions
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22
playback/player/gtk/gtk-play.c
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@ -20,6 +20,7 @@
*/
#include <string.h>
#include <math.h>
#include <gst/gst.h>
#include <gst/tag/tag.h>
@ -1530,6 +1531,25 @@ media_info_updated_cb (GstPlayer * player, GstPlayerMediaInfo * media_info,
}
}
static void
player_volume_changed_cb (GstPlayer * player, GtkPlay * play)
{
gdouble new_val, cur_val;
cur_val = gtk_scale_button_get_value
(GTK_SCALE_BUTTON (play->volume_button));
new_val = gst_player_get_volume (play->player);
if (fabs (cur_val - new_val) > 0.001) {
g_signal_handlers_block_by_func (play->volume_button,
volume_changed_cb, play);
gtk_scale_button_set_value (GTK_SCALE_BUTTON (play->volume_button),
new_val);
g_signal_handlers_unblock_by_func (play->volume_button,
volume_changed_cb, play);
}
}
int
main (gint argc, gchar ** argv)
{
@ -1612,6 +1632,8 @@ main (gint argc, gchar ** argv)
g_signal_connect (play.player, "end-of-stream", G_CALLBACK (eos_cb), &play);
g_signal_connect (play.player, "media-info-updated",
G_CALLBACK (media_info_updated_cb), &play);
g_signal_connect (play.player, "volume-changed",
G_CALLBACK (player_volume_changed_cb), &play);
play.playing = TRUE;
play_current_uri (&play, g_list_first (play.uris), NULL);