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tools: Add mouse/keyboard handling from messages

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Allows the user to control playback with the window in focus

https://bugzilla.gnome.org/show_bug.cgi?id=747245
This commit is contained in:
Edward Hervey 2015-04-02 16:16:58 +02:00 committed by Edward Hervey
parent c90a3ac468
commit bba3f57c8b
1 changed files with 46 additions and 0 deletions
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46
tools/gst-play.c
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@ -29,6 +29,7 @@
#include <gst/gst.h>
#include <gst/gst-i18n-app.h>
#include <gst/audio/audio.h>
#include <gst/video/video.h>
#include <gst/pbutils/pbutils.h>
#include <gst/math-compat.h>
#include <stdlib.h>
@ -95,6 +96,9 @@ static void play_set_relative_volume (GstPlay * play, gdouble volume_step);
static void gst_play_printf (const gchar * format, ...) G_GNUC_PRINTF (1, 2);
/* *INDENT-ON* */
static void keyboard_cb (const gchar * key_input, gpointer user_data);
static void relative_seek (GstPlay * play, gdouble percent);
static void
gst_play_printf (const gchar * format, ...)
{
@ -367,6 +371,48 @@ play_bus_msg (GstBus * bus, GstMessage * msg, gpointer user_data)
}
break;
}
case GST_MESSAGE_ELEMENT:
{
GstNavigationMessageType mtype = gst_navigation_message_get_type (msg);
if (mtype == GST_NAVIGATION_MESSAGE_EVENT) {
GstEvent *ev;
if (gst_navigation_message_parse_event (msg, &ev)) {
GstNavigationEventType e_type = gst_navigation_event_get_type (ev);
switch (e_type) {
case GST_NAVIGATION_EVENT_KEY_PRESS:
{
const gchar *key;
if (gst_navigation_event_parse_key_event (ev, &key)) {
if (strcmp (key, "Left") == 0)
key = GST_PLAY_KB_ARROW_LEFT;
else if (strcmp (key, "Right") == 0)
key = GST_PLAY_KB_ARROW_RIGHT;
keyboard_cb (key, user_data);
}
break;
}
case GST_NAVIGATION_EVENT_MOUSE_BUTTON_PRESS:
{
gint button;
if (gst_navigation_event_parse_mouse_button_event (ev, &button,
NULL, NULL)) {
if (button == 4) {
/* wheel up */
relative_seek (play, +0.08);
} else if (button == 5) {
/* wheel down */
relative_seek (play, -0.01);
}
}
break;
}
default:
break;
}
}
}
break;
}
default:
if (gst_is_missing_plugin_message (msg)) {
gchar *desc;