gstreamer/gstplay/gstmediaplay.c

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#include <config.h>
#include <sys/stat.h>
#include <unistd.h>
#include <gnome.h>
#include "gstmediaplay.h"
#include "callbacks.h"
static void gst_media_play_class_init (GstMediaPlayClass *klass);
static void gst_media_play_init (GstMediaPlay *play);
static void gst_media_play_set_arg (GtkObject *object, GtkArg *arg, guint id);
static void gst_media_play_get_arg (GtkObject *object, GtkArg *arg, guint id);
static void gst_media_play_frame_displayed (GstPlay *play, GstMediaPlay *mplay);
static void gst_media_play_state_changed (GstPlay *play, GstPlayState state, GstMediaPlay *mplay);
static void gst_media_play_slider_changed (GtkAdjustment *adj, GstMediaPlay *mplay);
static void update_buttons (GstMediaPlay *mplay, GstPlayState state);
static void update_slider (GstMediaPlay *mplay, GtkAdjustment *adjustment, gfloat value);
/* signals and args */
enum {
LAST_SIGNAL
};
enum {
ARG_0,
};
static void
target_drag_data_received (GtkWidget *widget,
GdkDragContext *context,
gint x,
gint y,
GtkSelectionData *data,
guint info,
guint time,
GstMediaPlay *play)
{
if (strstr (data->data, "file:")) {
g_print ("Got: %s\n", &data->data[5]);
gdk_threads_leave ();
gst_media_play_start_uri (play, g_strchomp (&data->data[5]));
gdk_threads_enter ();
}
}
static GtkTargetEntry target_table[] = {
{ "text/plain", 0, 0 }
};
static GtkObject *parent_class = NULL;
//static guint gst_media_play_signals[LAST_SIGNAL] = { 0 };
GtkType
gst_media_play_get_type (void)
{
static GtkType play_type = 0;
if (!play_type) {
static const GtkTypeInfo play_info = {
"GstMediaPlay",
sizeof (GstMediaPlay),
sizeof (GstMediaPlayClass),
(GtkClassInitFunc) gst_media_play_class_init,
(GtkObjectInitFunc) gst_media_play_init,
NULL,
NULL,
(GtkClassInitFunc) NULL,
};
play_type = gtk_type_unique (gtk_object_get_type(), &play_info);
}
return play_type;
}
static void
gst_media_play_class_init (GstMediaPlayClass *klass)
{
GtkObjectClass *object_class;
parent_class = gtk_type_class (gtk_object_get_type ());
object_class = (GtkObjectClass*) klass;
object_class->set_arg = gst_media_play_set_arg;
object_class->get_arg = gst_media_play_get_arg;
}
typedef struct {
GstMediaPlay *play;
GModule *symbols;
} connect_struct;
/* we need more control here so... */
static void
gst_media_play_connect_func (const gchar *handler_name,
GtkObject *object,
const gchar *signal_name,
const gchar *signal_data,
GtkObject *connect_object,
gboolean after,
gpointer user_data)
{
GtkSignalFunc func;
connect_struct *data = (connect_struct *) user_data;
if (!g_module_symbol (data->symbols, handler_name, (gpointer *)&func))
g_warning ("gsteditorproperty: could not find signal handler '%s'.", handler_name);
else {
if (after)
gtk_signal_connect_after (object, signal_name, func, (gpointer) data->play);
else
gtk_signal_connect (object, signal_name, func, (gpointer) data->play);
}
}
static void
gst_media_play_init (GstMediaPlay *mplay)
{
GModule *symbols;
connect_struct data;
struct stat statbuf;
/* load the interface */
if (stat (DATADIR"gstmediaplay.glade", &statbuf) == 0) {
mplay->xml = glade_xml_new (DATADIR"gstmediaplay.glade", "gstplay");
}
else {
mplay->xml = glade_xml_new ("gstmediaplay.glade", "gstplay");
}
g_assert (mplay->xml != NULL);
mplay->slider = glade_xml_get_widget (mplay->xml, "slider");
g_assert (mplay->slider != NULL);
{
GtkArg arg;
GtkRange *range;
arg.name = "adjustment";
gtk_object_getv (GTK_OBJECT (mplay->slider), 1, &arg);
range = GTK_RANGE (GTK_VALUE_POINTER (arg));
mplay->adjustment = gtk_range_get_adjustment (range);
gtk_signal_connect (GTK_OBJECT (mplay->adjustment), "value_changed",
GTK_SIGNAL_FUNC (gst_media_play_slider_changed), mplay);
}
mplay->play_button = glade_xml_get_widget (mplay->xml, "toggle_play");
g_assert (mplay->play_button != NULL);
mplay->pause_button = glade_xml_get_widget (mplay->xml, "toggle_pause");
g_assert (mplay->pause_button != NULL);
mplay->stop_button = glade_xml_get_widget (mplay->xml, "toggle_stop");
g_assert (mplay->stop_button != NULL);
mplay->window = glade_xml_get_widget (mplay->xml, "gstplay");
g_assert (mplay->window != NULL);
gtk_drag_dest_set (mplay->window,
GTK_DEST_DEFAULT_ALL,
target_table, 1,
GDK_ACTION_COPY);
gtk_signal_connect (GTK_OBJECT (mplay->window), "drag_data_received",
GTK_SIGNAL_FUNC (target_drag_data_received),
mplay);
mplay->play = gst_play_new();
gtk_signal_connect (GTK_OBJECT (mplay->play), "frame_displayed",
GTK_SIGNAL_FUNC (gst_media_play_frame_displayed),
mplay);
gtk_signal_connect (GTK_OBJECT (mplay->play), "audio_played",
GTK_SIGNAL_FUNC (gst_media_play_frame_displayed),
mplay);
gtk_signal_connect (GTK_OBJECT (mplay->play), "playing_state_changed",
GTK_SIGNAL_FUNC (gst_media_play_state_changed),
mplay);
gnome_dock_set_client_area (GNOME_DOCK (glade_xml_get_widget(mplay->xml, "dock1")),
GTK_WIDGET (mplay->play));
gtk_widget_show (GTK_WIDGET (mplay->play));
mplay->status = (GstStatusArea *) glade_xml_get_widget (mplay->xml, "status_area");
gst_status_area_set_state (mplay->status, GST_STATUS_AREA_STATE_INIT);
gst_status_area_set_playtime (mplay->status, "00:00 / 00:00");
symbols = g_module_open (NULL, 0);
data.play = mplay;
data.symbols = symbols;
glade_xml_signal_autoconnect_full (mplay->xml, gst_media_play_connect_func, &data);
mplay->last_time = 0;
}
GstMediaPlay *
gst_media_play_new ()
{
return GST_MEDIA_PLAY (gtk_type_new (GST_TYPE_MEDIA_PLAY));
}
static void
gst_media_play_update_status_area (GstMediaPlay *play,
gulong current_time,
gulong total_time)
{
gchar time[14];
sprintf (time, "%02lu:%02lu / %02lu:%02lu",
current_time / 60, current_time % 60,
total_time / 60, total_time % 60);
gst_status_area_set_playtime (play->status, time);
}
void
gst_media_play_start_uri (GstMediaPlay *play,
const guchar *uri)
{
GstPlayReturn ret;
g_return_if_fail (play != NULL);
g_return_if_fail (GST_IS_MEDIA_PLAY (play));
if (uri != NULL) {
ret = gst_play_set_uri (play->play, uri);
if (!gst_play_media_can_seek (play->play)) {
gtk_widget_set_sensitive (play->slider, FALSE);
}
gtk_window_set_title (GTK_WINDOW (play->window),
g_strconcat ( "Gstplay - ", uri, NULL));
gst_play_play (play->play);
}
}
typedef struct {
GtkWidget *selection;
GstMediaPlay *play;
} file_select;
static void
on_load_file_selected (GtkWidget *button,
file_select *data)
{
GtkWidget *selector = data->selection;
GstMediaPlay *play = data->play;
gchar *file_name = gtk_file_selection_get_filename (GTK_FILE_SELECTION (selector));
gdk_threads_leave();
gst_media_play_start_uri (play, file_name);
gdk_threads_enter();
g_free (data);
}
void
on_open2_activate (GtkWidget *widget,
GstMediaPlay *play)
{
GtkWidget *file_selector;
file_select *file_data = g_new0 (file_select, 1);
file_selector = gtk_file_selection_new ("Please select a file to load.");
file_data->selection = file_selector;
file_data->play = play;
gtk_signal_connect (GTK_OBJECT (GTK_FILE_SELECTION (file_selector)->ok_button),
"clicked", GTK_SIGNAL_FUNC (on_load_file_selected),
file_data);
/* Ensure that the dialog box is destroyed when the user clicks a button. */
gtk_signal_connect_object (GTK_OBJECT (GTK_FILE_SELECTION (file_selector)->ok_button),
"clicked", GTK_SIGNAL_FUNC (gtk_widget_destroy),
(gpointer) file_selector);
gtk_signal_connect_object (GTK_OBJECT (GTK_FILE_SELECTION (file_selector)->cancel_button),
"clicked", GTK_SIGNAL_FUNC (gtk_widget_destroy),
(gpointer) file_selector);
/* Display that dialog */
gtk_widget_show (file_selector);
}
static void
gst_media_play_set_arg (GtkObject *object,
GtkArg *arg,
guint id)
{
GstMediaPlay *play;
play = GST_MEDIA_PLAY (object);
switch (id) {
default:
g_warning ("GstMediaPlay: unknown arg!");
break;
}
}
static void
gst_media_play_get_arg (GtkObject *object,
GtkArg *arg,
guint id)
{
GstMediaPlay *play;
play = GST_MEDIA_PLAY (object);
switch (id) {
default:
arg->type = GTK_TYPE_INVALID;
break;
}
}
static void
gst_media_play_state_changed (GstPlay *play,
GstPlayState state,
GstMediaPlay *mplay)
{
GstStatusAreaState area_state;
g_return_if_fail (GST_IS_PLAY (play));
g_return_if_fail (GST_IS_MEDIA_PLAY (mplay));
gdk_threads_enter ();
update_buttons (mplay, state);
switch (state) {
case GST_PLAY_STOPPED:
area_state = GST_STATUS_AREA_STATE_STOPPED;
break;
case GST_PLAY_PLAYING:
area_state = GST_STATUS_AREA_STATE_PLAYING;
break;
case GST_PLAY_PAUSED:
area_state = GST_STATUS_AREA_STATE_PAUSED;
break;
default:
area_state = GST_STATUS_AREA_STATE_INIT;
}
gst_status_area_set_state (mplay->status, area_state);
gdk_threads_leave ();
}
void
on_gst_media_play_destroy (GtkWidget *widget, GstMediaPlay *mplay)
{
gst_main_quit ();
}
void
on_exit_menu_activate (GtkWidget *widget, GstMediaPlay *mplay)
{
gdk_threads_leave ();
gst_play_stop (mplay->play);
gdk_threads_enter ();
gst_main_quit ();
}
gint
on_gst_media_play_delete_event (GtkWidget *widget,
GdkEvent *event,
GstMediaPlay *mplay)
{
gdk_threads_leave ();
gst_play_stop (mplay->play);
gdk_threads_enter ();
return FALSE;
}
void
on_extended1_activate (GtkCheckMenuItem *item, GstMediaPlay *mplay)
{
gdk_threads_leave ();
gst_status_area_show_extended (mplay->status, item->active);
gdk_threads_enter ();
}
static void
gst_media_play_frame_displayed (GstPlay *play, GstMediaPlay *mplay)
{
gulong current_time;
gulong total_time;
gulong size, current_offset;
g_return_if_fail (GST_IS_PLAY (play));
g_return_if_fail (GST_IS_MEDIA_PLAY (mplay));
current_time = gst_play_get_media_current_time (play);
total_time = gst_play_get_media_total_time (play);
size = gst_play_get_media_size (play);
current_offset = gst_play_get_media_offset (play);
//g_print ("%lu %lu %lu %lu\n", current_time, total_time, size, current_offset);
if (current_time != mplay->last_time) {
gdk_threads_enter ();
gst_media_play_update_status_area (mplay, current_time, total_time);
update_slider (mplay, mplay->adjustment, current_offset*100.0/size);
mplay->last_time = current_time;
gdk_threads_leave ();
}
}
static void
gst_media_play_slider_changed (GtkAdjustment *adj, GstMediaPlay *mplay)
{
gulong size;
g_return_if_fail (GST_IS_MEDIA_PLAY (mplay));
size = gst_play_get_media_size (mplay->play);
gst_play_media_seek (mplay->play, (int)(adj->value*size/100.0));
}
void
on_toggle_play_toggled (GtkToggleButton *togglebutton, GstMediaPlay *play)
{
gdk_threads_leave ();
gst_play_play (play->play);
gdk_threads_enter ();
update_buttons (play, GST_PLAY_STATE(play->play));
}
void
on_toggle_pause_toggled (GtkToggleButton *togglebutton, GstMediaPlay *play)
{
gdk_threads_leave ();
gst_play_pause (play->play);
gdk_threads_enter ();
update_buttons (play, GST_PLAY_STATE(play->play));
}
void
on_toggle_stop_toggled (GtkToggleButton *togglebutton, GstMediaPlay *play)
{
gdk_threads_leave ();
gst_play_stop (play->play);
gdk_threads_enter ();
update_buttons (play, GST_PLAY_STATE(play->play));
}
static void
update_buttons (GstMediaPlay *mplay, GstPlayState state)
{
gtk_signal_handler_block_by_func (GTK_OBJECT (mplay->play_button),
GTK_SIGNAL_FUNC (on_toggle_play_toggled),
mplay);
gtk_signal_handler_block_by_func (GTK_OBJECT (mplay->pause_button),
GTK_SIGNAL_FUNC (on_toggle_pause_toggled),
mplay);
gtk_signal_handler_block_by_func (GTK_OBJECT (mplay->stop_button),
GTK_SIGNAL_FUNC (on_toggle_stop_toggled),
mplay);
gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (mplay->play_button), FALSE);
gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (mplay->pause_button), FALSE);
gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (mplay->stop_button), FALSE);
if (state == GST_PLAY_PLAYING) {
gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (mplay->play_button), TRUE);
}
else if (state == GST_PLAY_PAUSED) {
gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (mplay->pause_button), TRUE);
}
else if (state == GST_PLAY_STOPPED) {
gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (mplay->stop_button), TRUE);
}
gtk_signal_handler_unblock_by_func (GTK_OBJECT (mplay->play_button),
GTK_SIGNAL_FUNC (on_toggle_play_toggled),
mplay);
gtk_signal_handler_unblock_by_func (GTK_OBJECT (mplay->pause_button),
GTK_SIGNAL_FUNC (on_toggle_pause_toggled),
mplay);
gtk_signal_handler_unblock_by_func (GTK_OBJECT (mplay->stop_button),
GTK_SIGNAL_FUNC (on_toggle_stop_toggled),
mplay);
}
static void
update_slider (GstMediaPlay *mplay,
GtkAdjustment *adjustment,
gfloat value)
{
gtk_signal_handler_block_by_func (GTK_OBJECT (adjustment),
GTK_SIGNAL_FUNC (gst_media_play_slider_changed),
mplay);
gtk_adjustment_set_value (adjustment, value);
gtk_signal_handler_unblock_by_func (GTK_OBJECT (adjustment),
GTK_SIGNAL_FUNC (gst_media_play_slider_changed),
mplay);
}