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tools: play: add keyboard controls for next/previous item in list

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Make the '>' and '<' keys skip to the next or previous item in
the playlist.
This commit is contained in:
Tim-Philipp Müller 2013-11-24 13:49:04 +00:00
parent 5a36b793d6
commit d6a6c2a3b1
1 changed files with 32 additions and 8 deletions
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40
tools/gst-play.c
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@ -61,6 +61,7 @@ typedef struct
static gboolean play_bus_msg (GstBus * bus, GstMessage * msg, gpointer data); static gboolean play_bus_msg (GstBus * bus, GstMessage * msg, gpointer data);
static gboolean play_next (GstPlay * play); static gboolean play_next (GstPlay * play);
static gboolean play_prev (GstPlay * play);
static gboolean play_timeout (gpointer user_data); static gboolean play_timeout (gpointer user_data);
static void play_about_to_finish (GstElement * playbin, gpointer user_data); static void play_about_to_finish (GstElement * playbin, gpointer user_data);
static void play_reset (GstPlay * play); static void play_reset (GstPlay * play);
@ -328,21 +329,15 @@ play_uri_get_display_name (GstPlay * play, const gchar * uri)
return loc; return loc;
} }
/* returns FALSE if we have reached the end of the playlist */ static void
static gboolean play_uri (GstPlay * play, const gchar * next_uri)
play_next (GstPlay * play)
{ {
GstStateChangeReturn sret; GstStateChangeReturn sret;
const gchar *next_uri;
gchar *loc; gchar *loc;
if (++play->cur_idx >= play->num_uris)
return FALSE;
gst_element_set_state (play->playbin, GST_STATE_READY); gst_element_set_state (play->playbin, GST_STATE_READY);
play_reset (play); play_reset (play);
next_uri = play->uris[play->cur_idx];
loc = play_uri_get_display_name (play, next_uri); loc = play_uri_get_display_name (play, next_uri);
g_print ("Now playing %s\n", loc); g_print ("Now playing %s\n", loc);
g_free (loc); g_free (loc);
@ -364,7 +359,27 @@ play_next (GstPlay * play)
default: default:
break; break;
} }
}
/* returns FALSE if we have reached the end of the playlist */
static gboolean
play_next (GstPlay * play)
{
if ((play->cur_idx + 1) >= play->num_uris)
return FALSE;
play_uri (play, play->uris[++play->cur_idx]);
return TRUE;
}
/* returns FALSE if we have reached the beginning of the playlist */
static gboolean
play_prev (GstPlay * play)
{
if (play->cur_idx == 0 || play->num_uris <= 1)
return FALSE;
play_uri (play, play->uris[--play->cur_idx]);
return TRUE; return TRUE;
} }
@ -489,6 +504,15 @@ keyboard_cb (const gchar * key_input, gpointer user_data)
case ' ': case ' ':
toggle_paused (play); toggle_paused (play);
break; break;
case '>':
if (!play_next (play)) {
g_print ("\nReached end of play list.\n");
g_main_loop_quit (play->loop);
}
break;
case '<':
play_prev (play);
break;
case 27: /* ESC */ case 27: /* ESC */
default: default:
GST_INFO ("keyboard input:"); GST_INFO ("keyboard input:");