gstreamer/playback/player/gtk/gtk-play.c
2015-03-01 14:04:00 +01:00

416 lines
12 KiB
C

/* GStreamer
*
* Copyright (C) 2014-2015 Sebastian Dröge <sebastian@centricular.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include <string.h>
#include <gst/gst.h>
#include <gst/video/videooverlay.h>
#include <gdk/gdk.h>
#if defined (GDK_WINDOWING_X11)
#include <gdk/gdkx.h>
#elif defined (GDK_WINDOWING_WIN32)
#include <gdk/gdkwin32.h>
#elif defined (GDK_WINDOWING_QUARTZ)
#include <gdk/gdkquartz.h>
#endif
#include <gtk/gtk.h>
#include <gst/player/player.h>
#define APP_NAME "gtk-play"
typedef struct
{
GstPlayer *player;
gchar *uri;
GList *uris;
GtkWidget *window;
GtkWidget *play_pause_button;
GtkWidget *prev_button, *next_button;
GtkWidget *seekbar;
GtkWidget *video_area;
GtkWidget *volume_button;
gulong seekbar_value_changed_signal_id;
gboolean playing;
} GtkPlay;
static void
set_title (GtkPlay * play, const gchar * title)
{
if (title == NULL) {
gtk_window_set_title (GTK_WINDOW (play->window), APP_NAME);
} else {
gtk_window_set_title (GTK_WINDOW (play->window), title);
}
}
static void
delete_event_cb (GtkWidget * widget, GdkEvent * event, GtkPlay * play)
{
gst_player_stop (play->player);
gtk_main_quit ();
}
static void
video_area_realize_cb (GtkWidget * widget, GtkPlay * play)
{
GdkWindow *window = gtk_widget_get_window (widget);
guintptr window_handle;
if (!gdk_window_ensure_native (window))
g_error ("Couldn't create native window needed for GstXOverlay!");
#if defined (GDK_WINDOWING_WIN32)
window_handle = (guintptr) GDK_WINDOW_HWND (window);
#elif defined (GDK_WINDOWING_QUARTZ)
window_handle = gdk_quartz_window_get_nsview (window);
#elif defined (GDK_WINDOWING_X11)
window_handle = GDK_WINDOW_XID (window);
#endif
g_object_set (play->player, "window-handle", (gpointer) window_handle, NULL);
}
static void
play_pause_clicked_cb (GtkButton * button, GtkPlay * play)
{
GtkWidget *image;
if (play->playing) {
gst_player_pause (play->player);
image =
gtk_image_new_from_icon_name ("media-playback-start",
GTK_ICON_SIZE_BUTTON);
gtk_button_set_image (GTK_BUTTON (play->play_pause_button), image);
play->playing = FALSE;
} else {
gchar *title;
gst_player_play (play->player);
image =
gtk_image_new_from_icon_name ("media-playback-pause",
GTK_ICON_SIZE_BUTTON);
gtk_button_set_image (GTK_BUTTON (play->play_pause_button), image);
title = gst_player_get_uri (play->player);
set_title (play, title);
g_free (title);
play->playing = TRUE;
}
}
static void
skip_prev_clicked_cb (GtkButton * button, GtkPlay * play)
{
GList *prev;
gchar *cur_uri;
prev = g_list_find_custom (play->uris,
gst_player_get_uri (play->player), (GCompareFunc) strcmp);
g_return_if_fail (prev != NULL);
prev = g_list_previous (prev);
g_return_if_fail (prev != NULL);
gtk_widget_set_sensitive (play->next_button, TRUE);
gst_player_set_uri (play->player, prev->data);
gst_player_play (play->player);
set_title (play, prev->data);
gtk_widget_set_sensitive (play->prev_button, g_list_previous (prev) != NULL);
}
static void
skip_next_clicked_cb (GtkButton * button, GtkPlay * play)
{
GList *next, *l;
gchar *cur_uri;
next = g_list_find_custom (play->uris,
gst_player_get_uri (play->player), (GCompareFunc) strcmp);
g_return_if_fail (next != NULL);
next = g_list_next (next);
g_return_if_fail (next != NULL);
gtk_widget_set_sensitive (play->prev_button, TRUE);
gst_player_set_uri (play->player, next->data);
gst_player_play (play->player);
set_title (play, next->data);
gtk_widget_set_sensitive (play->next_button, g_list_next (next) != NULL);
}
static void
seekbar_value_changed_cb (GtkRange * range, GtkPlay * play)
{
gdouble value = gtk_range_get_value (GTK_RANGE (play->seekbar));
gst_player_seek (play->player, gst_util_uint64_scale (value, GST_SECOND, 1));
}
void
volume_changed_cb (GtkScaleButton * button, gdouble value, GtkPlay * play)
{
gst_player_set_volume (play->player, value);
}
static void
create_ui (GtkPlay * play)
{
GtkWidget *controls, *main_hbox, *main_vbox;
play->window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
g_signal_connect (G_OBJECT (play->window), "delete-event",
G_CALLBACK (delete_event_cb), play);
set_title (play, APP_NAME);
play->video_area = gtk_drawing_area_new ();
gtk_widget_set_double_buffered (play->video_area, FALSE);
g_signal_connect (play->video_area, "realize",
G_CALLBACK (video_area_realize_cb), play);
/* Unified play/pause button */
play->play_pause_button =
gtk_button_new_from_icon_name ("media-playback-pause",
GTK_ICON_SIZE_BUTTON);
g_signal_connect (G_OBJECT (play->play_pause_button), "clicked",
G_CALLBACK (play_pause_clicked_cb), play);
play->seekbar =
gtk_scale_new_with_range (GTK_ORIENTATION_HORIZONTAL, 0, 100, 1);
gtk_scale_set_draw_value (GTK_SCALE (play->seekbar), 0);
play->seekbar_value_changed_signal_id =
g_signal_connect (G_OBJECT (play->seekbar), "value-changed",
G_CALLBACK (seekbar_value_changed_cb), play);
/* Skip backward button */
play->prev_button =
gtk_button_new_from_icon_name ("media-skip-backward",
GTK_ICON_SIZE_BUTTON);
g_signal_connect (G_OBJECT (play->prev_button), "clicked",
G_CALLBACK (skip_prev_clicked_cb), play);
gtk_widget_set_sensitive (play->prev_button, FALSE);
/* Skip forward button */
play->next_button =
gtk_button_new_from_icon_name ("media-skip-forward",
GTK_ICON_SIZE_BUTTON);
g_signal_connect (G_OBJECT (play->next_button), "clicked",
G_CALLBACK (skip_next_clicked_cb), play);
gtk_widget_set_sensitive (play->next_button, FALSE);
/* Volume control button */
play->volume_button = gtk_volume_button_new ();
gtk_scale_button_set_value (GTK_SCALE_BUTTON (play->volume_button),
gst_player_get_volume (play->player));
g_signal_connect (G_OBJECT (play->volume_button), "value-changed",
G_CALLBACK (volume_changed_cb), play);
controls = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 0);
gtk_box_pack_start (GTK_BOX (controls), play->prev_button, FALSE, FALSE, 2);
gtk_box_pack_start (GTK_BOX (controls), play->play_pause_button, FALSE, FALSE,
2);
gtk_box_pack_start (GTK_BOX (controls), play->next_button, FALSE, FALSE, 2);
gtk_box_pack_start (GTK_BOX (controls), play->seekbar, TRUE, TRUE, 2);
gtk_box_pack_start (GTK_BOX (controls), play->volume_button, FALSE, FALSE, 2);
main_hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 0);
gtk_box_pack_start (GTK_BOX (main_hbox), play->video_area, TRUE, TRUE, 0);
main_vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 0);
gtk_box_pack_start (GTK_BOX (main_vbox), main_hbox, TRUE, TRUE, 0);
gtk_box_pack_start (GTK_BOX (main_vbox), controls, FALSE, FALSE, 0);
gtk_container_add (GTK_CONTAINER (play->window), main_vbox);
gtk_widget_realize (play->video_area);
gtk_widget_show_all (play->window);
gtk_widget_hide (play->video_area);
}
static void
play_clear (GtkPlay * play)
{
g_free (play->uri);
g_list_free_full (play->uris, g_free);
g_object_unref (play->player);
}
static void
duration_changed_cb (GstPlayer * unused, GstClockTime duration, GtkPlay * play)
{
gtk_range_set_range (GTK_RANGE (play->seekbar), 0,
(gdouble) duration / GST_SECOND);
}
static void
position_updated_cb (GstPlayer * unused, GstClockTime position, GtkPlay * play)
{
g_signal_handler_block (play->seekbar, play->seekbar_value_changed_signal_id);
gtk_range_set_value (GTK_RANGE (play->seekbar),
(gdouble) position / GST_SECOND);
g_signal_handler_unblock (play->seekbar,
play->seekbar_value_changed_signal_id);
}
static void
video_dimensions_changed_cb (GstPlayer * unused, gint width, gint height,
GtkPlay * play)
{
if (width > 0 && height > 0)
gtk_widget_show (play->video_area);
else
gtk_widget_hide (play->video_area);
}
static void
eos_cb (GstPlayer * unused, GtkPlay * play)
{
if (play->playing) {
GList *next = NULL;
gchar *uri;
next = g_list_find_custom (play->uris,
gst_player_get_uri (play->player), (GCompareFunc) strcmp);
g_return_if_fail (next != NULL);
next = g_list_next (next);
if (next) {
if (!gtk_widget_is_sensitive (play->prev_button))
gtk_widget_set_sensitive (play->prev_button, TRUE);
gtk_widget_set_sensitive (play->next_button, g_list_next (next) != NULL);
gst_player_set_uri (play->player, next->data);
gst_player_play (play->player);
set_title (play, next->data);
} else {
GtkWidget *image;
gst_player_pause (play->player);
image =
gtk_image_new_from_icon_name ("media-playback-start",
GTK_ICON_SIZE_BUTTON);
gtk_button_set_image (GTK_BUTTON (play->play_pause_button), image);
play->playing = FALSE;
}
}
}
int
main (gint argc, gchar ** argv)
{
GtkPlay play;
gchar **file_names = NULL;
GOptionContext *ctx;
GOptionEntry options[] = {
{G_OPTION_REMAINING, 0, 0, G_OPTION_ARG_FILENAME_ARRAY, &file_names,
"Files to play"},
{NULL}
};
guint list_length = 0;
GError *err = NULL;
GList *l;
memset (&play, 0, sizeof (play));
g_set_prgname (APP_NAME);
ctx = g_option_context_new ("FILE|URI");
g_option_context_add_main_entries (ctx, options, NULL);
g_option_context_add_group (ctx, gtk_get_option_group (TRUE));
g_option_context_add_group (ctx, gst_init_get_option_group ());
if (!g_option_context_parse (ctx, &argc, &argv, &err)) {
g_print ("Error initializing: %s\n", GST_STR_NULL (err->message));
return 1;
}
g_option_context_free (ctx);
// FIXME: Add support for playlists and stuff
/* Parse the list of the file names we have to play. */
if (!file_names) {
GtkWidget *chooser;
int res;
chooser = gtk_file_chooser_dialog_new ("Select files to play", NULL,
GTK_FILE_CHOOSER_ACTION_OPEN,
"_Cancel", GTK_RESPONSE_CANCEL, "_Open", GTK_RESPONSE_ACCEPT, NULL);
g_object_set (chooser, "local-only", FALSE, "select-multiple", TRUE, NULL);
res = gtk_dialog_run (GTK_DIALOG (chooser));
if (res == GTK_RESPONSE_ACCEPT) {
GSList *l;
l = gtk_file_chooser_get_uris (GTK_FILE_CHOOSER (chooser));
while (l) {
play.uris = g_list_append (play.uris, l->data);
l = g_slist_delete_link (l, l);
}
} else {
return 0;
}
gtk_widget_destroy (chooser);
} else {
guint i;
list_length = g_strv_length (file_names);
for (i = 0; i < list_length; i++) {
play.uris =
g_list_append (play.uris,
gst_uri_is_valid (file_names[i]) ?
g_strdup (file_names[i]) : gst_filename_to_uri (file_names[i], NULL));
}
g_strfreev (file_names);
file_names = NULL;
}
play.player = gst_player_new ();
play.playing = TRUE;
g_object_set (play.player, "dispatch-to-main-context", TRUE, NULL);
gst_player_set_uri (play.player, g_list_first (play.uris)->data);
create_ui (&play);
if (list_length > 1)
gtk_widget_set_sensitive (play.next_button, TRUE);
g_signal_connect (play.player, "position-updated",
G_CALLBACK (position_updated_cb), &play);
g_signal_connect (play.player, "duration-changed",
G_CALLBACK (duration_changed_cb), &play);
g_signal_connect (play.player, "video-dimensions-changed",
G_CALLBACK (video_dimensions_changed_cb), &play);
g_signal_connect (play.player, "end-of-stream", G_CALLBACK (eos_cb), &play);
/* We have file(s) that need playing. */
set_title (&play, g_list_first (play.uris)->data);
gst_player_play (play.player);
gtk_main ();
play_clear (&play);
return 0;
}