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tools: gst-play: add keyboard shortcut help

Browse source 
https://bugzilla.gnome.org/show_bug.cgi?id=749740
This commit is contained in:
danny song 2015-05-23 01:50:11 +09:00 committed by Tim-Philipp Müller
parent 8fc0e4f55c
commit bd35bf5933
1 changed files with 23 additions and 0 deletions
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23
tools/gst-play.c
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@ -831,12 +831,34 @@ play_switch_trick_mode (GstPlay * play)
}
}
static void
print_keyboard_help (void)
{
g_print ("\n\nInteractive mode - keyboard control:\n");
g_print ("space : pause/unpause\n");
g_print ("q or ESC : quit\n");
g_print ("> : play next\n");
g_print ("< : play previous\n");
g_print ("left : seek forward\n");
g_print ("right : seek backward\n");
g_print ("up : volume up\n");
g_print ("down : volume down\n");
g_print ("+ : increase playback rate\n");
g_print ("- : decrease playback rate\n");
g_print ("d : change playback direction\n");
g_print ("t : enable/disable trick modes\n");
g_print ("k : show keyboard shortcuts\n\n");
}
static void
keyboard_cb (const gchar * key_input, gpointer user_data)
{
GstPlay *play = (GstPlay *) user_data;
switch (g_ascii_tolower (key_input[0])) {
case 'k':
print_keyboard_help ();
break;
case ' ':
toggle_paused (play);
break;
@ -1046,6 +1068,7 @@ main (int argc, char **argv)
if (interactive) {
if (gst_play_kb_set_key_handler (keyboard_cb, play)) {
g_print ("Press 'k' to see a list of keyboard shortcuts.\n");
atexit (restore_terminal);
} else {
g_print ("Interactive keyboard handling in terminal not available.\n");