swfplay.c

Swfdec is a decoder/renderer for Macromedia Flash animations. The decoding and rendering engine is

/* Swfdec
 * Copyright (C) 2006 Benjamin Otte <[e-mail]>
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 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
 * Lesser General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, 
 * Boston, MA  02110-1301  USA
 */

#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <gtk/gtk.h>
#include <math.h>
#include <libswfdec/swfdec.h>

#include <libswfdec-gtk/swfdec-gtk.h>
#if HAVE_GNOMEVFS
#include <libgnomevfs/gnome-vfs.h>
#endif

#include "swfdec_slow_loader.h"

static GMainLoop *loop = NULL;

static void
set_title (GtkWindow *window, const char *filename)
{
  char *name = g_filename_display_basename (filename);
  char *title = g_strdup_printf ("%s : Swfplay", name);

  g_free (name);
  gtk_window_set_title (window, title);
  g_free (title);
}

static GtkWidget *
view_swf (SwfdecPlayer *player, gboolean use_image)
{
  GtkWidget *window, *widget;

  window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
  widget = swfdec_gtk_widget_new (player);
  if (use_image)
    swfdec_gtk_widget_set_renderer (SWFDEC_GTK_WIDGET (widget), CAIRO_SURFACE_TYPE_IMAGE);
  gtk_container_add (GTK_CONTAINER (window), widget);
  g_signal_connect (window, "destroy", G_CALLBACK (gtk_main_quit), NULL);
  gtk_widget_show_all (window);

  return window;
}

static void
do_fscommand (SwfdecPlayer *player, const char *command, const char *value, gpointer window)
{
  if (g_str_equal (command, "quit")) {
    g_assert (loop);
    g_main_loop_quit (loop);
  }
  /* FIXME: add more */
}

static void
print_trace (SwfdecPlayer *player, const char *message, gpointer unused)
{
  g_print ("%s\n", message);
}

static char *
sanitize_url (const char *s)
{
  SwfdecURL *url;

  url = swfdec_url_new (s);
  if (g_str_equal (swfdec_url_get_protocol (url), "error")) {
    char *dir, *full;
    if (g_path_is_absolute (s))
      return g_strconcat ("file://", s, NULL);
    dir = g_get_current_dir ();
    full = g_strconcat ("file://", dir, G_DIR_SEPARATOR_S, s, NULL);
    g_free (dir);
    return full;
  } else {
    swfdec_url_free (url);
    return g_strdup (s);
  }
}

int 
main (int argc, char *argv[])
{
  int delay = 0;
  int speed = 100;
  SwfdecLoader *loader;
  SwfdecPlayer *player;
  GError *error = NULL;
  gboolean use_image = FALSE, no_sound = FALSE;
  gboolean trace = FALSE, no_scripts = FALSE;
  char *variables = NULL;
  char *s;
  GtkWidget *window;

  GOptionEntry options[] = {
    { "delay", 'd', 0, G_OPTION_ARG_INT, &delay, "make loading of resources take time", "SECS" },
    { "image", 'i', 0, G_OPTION_ARG_NONE, &use_image, "use an intermediate image surface for drawing", NULL },
    { "no-scripts", 0, 0, G_OPTION_ARG_NONE, &no_scripts, "don't execute scripts affecting the application", NULL },
    { "no-sound", 'n', 0, G_OPTION_ARG_NONE, &no_sound, "don't play sound", NULL },
    { "speed", 0, 0, G_OPTION_ARG_INT, &speed, "replay speed (will deactivate sound)", "PERCENT" },
    { "trace", 't', 0, G_OPTION_ARG_NONE, &trace, "print trace output to stdout", NULL },
    { "variables", 'v', 0, G_OPTION_ARG_STRING, &variables, "variables to pass to player", "VAR=NAME[&VAR=NAME..]" },
    { NULL }
  };
  GOptionContext *ctx;

  ctx = g_option_context_new ("");
  g_option_context_add_main_entries (ctx, options, "options");
  g_option_context_add_group (ctx, gtk_get_option_group (TRUE));
  g_option_context_parse (ctx, &argc, &argv, &error);
  g_option_context_free (ctx);

  if (error) {
    g_printerr ("Error parsing command line arguments: %s\n", error->message);
    g_error_free (error);
    return 1;
  }

  swfdec_init ();

  if (argc < 2) {
    g_printerr ("Usage: %s [OPTIONS] filename\n", argv[0]);
    return 1;
  }
  
  s = sanitize_url (argv[1]);
  loader = swfdec_gtk_loader_new (s);
  g_free (s);
  if (loader->error) {
    g_printerr ("Couldn't open file \"%s\": %s\n", argv[1], loader->error);
    g_object_unref (loader);
    return 1;
  }
  loop = g_main_loop_new (NULL, TRUE);
  player = swfdec_gtk_player_new (NULL);
  if (trace)
    g_signal_connect (player, "trace", G_CALLBACK (print_trace), NULL);
  swfdec_gtk_player_set_speed (SWFDEC_GTK_PLAYER (player), speed / 100.);

  if (no_sound)
    swfdec_gtk_player_set_audio_enabled (SWFDEC_GTK_PLAYER (player), FALSE);

  window = view_swf (player, use_image);
  set_title (GTK_WINDOW (window), argv[1]);

  if (!no_scripts)
    g_signal_connect (player, "fscommand", G_CALLBACK (do_fscommand), window);
  
  if (delay) 
    loader = swfdec_slow_loader_new (loader, delay);

  swfdec_player_set_loader_with_variables (player, loader, variables);

  swfdec_gtk_player_set_playing (SWFDEC_GTK_PLAYER (player), TRUE);

  if (g_main_loop_is_running (loop))
    g_main_loop_run (loop);

  g_object_unref (player);
  g_main_loop_unref (loop);
  loop = NULL;
  player = NULL;
  return 0;
}