gui_main.cpp

网络MPEG4IP流媒体开发源代码

  seek_dialog = gtk_dialog_new();
  gtk_signal_connect(GTK_OBJECT(seek_dialog),
		     "destroy",
		     GTK_SIGNAL_FUNC(on_seek_destroy),
		     seek_dialog);
  gtk_window_set_title(GTK_WINDOW(seek_dialog), "Seek to");
  gtk_container_border_width(GTK_CONTAINER(seek_dialog), 5);

  GtkWidget *vbox;
  vbox = gtk_vbox_new(FALSE, 1);
  gtk_box_pack_start(GTK_BOX(GTK_DIALOG(seek_dialog)->action_area),
		     vbox, 
		     TRUE, 
		     TRUE,
		     0);
  gtk_widget_show(vbox);
  GtkWidget *hbox;
  hbox = gtk_hbox_new(FALSE, 1);
  gtk_widget_show(hbox);
  gtk_box_pack_start(GTK_BOX(vbox), hbox, FALSE, FALSE, 5);
  GtkWidget *seek_entry;
  seek_entry = gtk_entry_new();
  gtk_signal_connect(GTK_OBJECT(seek_entry),
		     "activate",
		     GTK_SIGNAL_FUNC(on_seek_activate),
		     seek_entry);
  gtk_box_pack_start(GTK_BOX(hbox), seek_entry, TRUE, TRUE, 0);
  gtk_widget_show(seek_entry);

  hbox = gtk_hbox_new(FALSE, 1);
  gtk_widget_show(hbox);
  gtk_box_pack_start(GTK_BOX(vbox), hbox, FALSE, FALSE, 5);
  GtkWidget *button;
  button = gtk_button_new_with_label("Ok");
  gtk_signal_connect(GTK_OBJECT(button), "clicked",
		     GTK_SIGNAL_FUNC(on_seek_activate),
		     seek_entry);
  gtk_box_pack_start(GTK_BOX(hbox), button, TRUE, TRUE, 0);
  gtk_widget_show(button);

  button = gtk_button_new_with_label("Cancel");
  gtk_signal_connect(GTK_OBJECT(button), "clicked",
		     GTK_SIGNAL_FUNC(on_seek_cancel),
		     NULL);
  gtk_box_pack_start(GTK_BOX(hbox), button, TRUE, TRUE, 0);
  gtk_widget_show(button);
 
  gtk_widget_show(seek_dialog);
  doing_seek = 1;
}

static void on_main_menu_help (GtkWidget *window, gpointer data)
{
}

static void on_main_menu_about (GtkWidget *window, gpointer data)
{
  char buffer[1024];
  sprintf(buffer,
	  "gmp4player Version %s.\n"
	  "An open source file/streaming MPEG4 player\n"
	  "Developed by cisco Systems using the\n"
	  "following open source packages:\n"
	  "\n"
	  "SDL, SMPEG audio (MP3) from lokigames\n"
	  "RTP from UCL\n"
	  "ISO reference decoder for MPEG4\n"
	  "FAAC decoder\n"
	  "Xvid decoder\n"
	  "Libmpeg3 file and video decoder\n"
	  "Developed by Bill May, 10/00 to present", VERSION
	  );

  ShowMessage("About gmp4player",buffer);
}

/*
 * on_drag_data_received - copied from gtv, who copied from someone else
 */
static void on_drag_data_received (GtkWidget *widget,
				   GdkDragContext *context,
				   gint x,
				   gint y,
				   GtkSelectionData *selection_data,
				   guint info,
				   guint time)
{
    gchar *temp, *string;

    string = (gchar *)selection_data->data;

    /* remove newline at end of line, and the file:// url header
       at the begining, copied this code from the xmms source */
    temp = strchr(string, '\n');
    if (temp)
    {
        if (*(temp - 1) == '\r')
            *(temp - 1) = '\0';
        *temp = '\0';
    }
    if (!strncasecmp(string, "file:", 5))
        string = string + 5;
    start_session_from_name(string);
}

static GtkWidget *filesel;

static void on_filename_selected (GtkFileSelection *selector, 
				  gpointer user_data) 
{
  const gchar *name;

  name = gtk_file_selection_get_filename(GTK_FILE_SELECTION(filesel));
  start_session_from_name(name);
}

/*
 * This is right out of the book...
 */
static void on_browse_button_clicked (GtkWidget *window, gpointer data)
{
  filesel = gtk_file_selection_new("Open Media file");
  if (last_file != NULL) {
    gtk_file_selection_set_filename(GTK_FILE_SELECTION(filesel), last_file);
  }
  gtk_file_selection_hide_fileop_buttons(GTK_FILE_SELECTION(filesel));
  gtk_signal_connect (GTK_OBJECT(GTK_FILE_SELECTION(filesel)->ok_button),
		      "clicked", 
		      GTK_SIGNAL_FUNC(on_filename_selected), 
		      filesel);
                             
  /* Ensure that the dialog box is destroyed when the user clicks a button. */
     
  gtk_signal_connect_object(GTK_OBJECT(GTK_FILE_SELECTION(filesel)->ok_button),
			    "clicked", 
			    GTK_SIGNAL_FUNC(gtk_widget_destroy),
			    GTK_OBJECT(filesel));

  gtk_signal_connect_object(GTK_OBJECT(GTK_FILE_SELECTION(filesel)->cancel_button),
			    "clicked", 
			    GTK_SIGNAL_FUNC(gtk_widget_destroy),
			    GTK_OBJECT(filesel));
  
  /* Display that dialog */
     
  gtk_widget_show (filesel);
  
}

static void on_playlist_child_selected (GtkWidget *window, gpointer data)
{
  const gchar *entry = 
    gtk_entry_get_text(GTK_ENTRY(GTK_COMBO(combo)->entry));
  if (strcmp(entry, "") == 0) 
    return;
  if (last_entry && strcmp(entry, last_entry) == 0) 
    return;
  start_session_from_name(entry);
}

static void on_play_list_selected (GtkWidget *window, gpointer data)
{
  const gchar *entry = gtk_entry_get_text(GTK_ENTRY(window));
  start_session_from_name(entry);
}

static void on_play_clicked (GtkWidget *window, gpointer data)
{
  int ret;
  char errmsg[512];
  if (gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(play_button)) == FALSE) {
    if (play_state == PLAYING) {
      toggle_button_adjust(play_button, TRUE);
    }
    return;
  }

  if (psptr == NULL)
    return;
  ret = 0;
  SDL_mutexP(command_mutex);
  switch (play_state) {
  case PAUSED:
    ret = psptr->play_all_media(FALSE, 0.0, errmsg, sizeof(errmsg));
    break;
  case STOPPED:
    ret = psptr->play_all_media(TRUE, 0.0, errmsg, sizeof(errmsg));
    break;
  default:
    break;
  }
  if (ret == 0)
    adjust_gui_for_play();
  SDL_mutexV(command_mutex);
  if (ret != 0) {
    char buffer[1024];
    close_session();
    snprintf(buffer, sizeof(buffer), "Error re-starting session: %s", 
	     errmsg);
    ShowMessage("Play error", buffer);
  }
}

static void do_pause (void)
{
  SDL_mutexP(command_mutex);
  if (psptr != NULL && play_state == PLAYING) {
    play_state = PAUSED;
    toggle_button_adjust(play_button, FALSE);
    toggle_button_adjust(pause_button, TRUE);
    psptr->pause_all_media();
  } else {
    toggle_button_adjust(pause_button, play_state == PAUSED);
  }
  SDL_mutexV(command_mutex);
}
static void on_pause_clicked (GtkWidget *window, gpointer data)
{
  if (gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(pause_button)) == FALSE) {
    if (play_state == PAUSED) {
      toggle_button_adjust(pause_button, TRUE);
    }
    return;
  }
  do_pause();
}

static void on_stop_clicked (GtkWidget *window, gpointer data)
{
  if (gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(stop_button)) == FALSE) {
    if (play_state == STOPPED) {
      toggle_button_adjust(stop_button, TRUE);
    }
    return;
  }
  SDL_mutexP(command_mutex);
  if (psptr != NULL && play_state == PLAYING) {
    play_state = STOPPED;
    toggle_button_adjust(play_button, FALSE);
    toggle_button_adjust(stop_button, TRUE);
    psptr->pause_all_media();
  } else {
    toggle_button_adjust(stop_button, play_state == STOPPED);
  }
  SDL_mutexV(command_mutex);
}

/*
 * Set the speaker button to either mute or playing
 */
static void set_speaker_button (gchar **xpm_data)
{
  GtkWidget *wid;
  wid = CreateWidgetFromXpm(speaker_button, xpm_data);
  FreeChild(speaker_button);
  gtk_container_add(GTK_CONTAINER(speaker_button), wid);
}

static void on_speaker_clicked (GtkWidget *window, gpointer data)
{
  int vol;
  if (master_muted == 0) {
    // mute the puppy
    set_speaker_button(xpm_speaker_muted);
    master_muted = 1;
    vol = 0;
  } else {
    set_speaker_button(xpm_speaker);
    master_muted = 0;
    vol  = master_volume;
  }
  config.set_config_value(CONFIG_MUTED, master_muted);
  if (psptr && psptr->session_has_audio()) {
    psptr->set_audio_volume(vol);
  }
}
static void volume_adjusted (int volume)
{
  GtkAdjustment *val = gtk_range_get_adjustment(GTK_RANGE(volume_slider));
  gtk_adjustment_set_value(val, (gfloat)volume);
  master_volume = volume;
  config.set_config_value(CONFIG_VOLUME, master_volume);
  gtk_range_set_adjustment(GTK_RANGE(volume_slider), val);
#ifndef HAVE_GTK_2_0
  gtk_range_slider_update(GTK_RANGE(volume_slider));
  gtk_range_clear_background(GTK_RANGE(volume_slider));
#endif
   if (master_muted == 0 && psptr && psptr->session_has_audio()) {
     psptr->set_audio_volume(master_volume);
   }
}

static void on_volume_adjusted (GtkWidget *window, gpointer data)
{
  GtkAdjustment *val = gtk_range_get_adjustment(GTK_RANGE(volume_slider));
  volume_adjusted((int)val->value);
}

static void on_debug_mpeg4isoonly (GtkWidget *window, gpointer data)
{
  GtkCheckMenuItem *checkmenu;

  checkmenu = GTK_CHECK_MENU_ITEM(window);

  config.set_config_value(CONFIG_USE_MPEG4_ISO_ONLY,
			  checkmenu->active == FALSE ? 0 : 1);
}
static void on_debug_use_old_mp4_lib (GtkWidget *window, gpointer data)
{
  GtkCheckMenuItem *checkmenu;

  checkmenu = GTK_CHECK_MENU_ITEM(window);

  config.set_config_value(CONFIG_USE_OLD_MP4_LIB,
			  checkmenu->active == FALSE ? 0 : 1);
}

static void on_debug_http (GtkWidget *window, gpointer data)
{
  int loglevel = GPOINTER_TO_INT(data);

  http_set_loglevel(LOG_PRI(loglevel));
  config.set_config_value(CONFIG_HTTP_DEBUG, LOG_PRI(loglevel));
}

static void on_debug_rtsp (GtkWidget *window, gpointer data)
{
  int loglevel = GPOINTER_TO_INT(data);

  rtsp_set_loglevel(LOG_PRI(loglevel));
  config.set_config_value(CONFIG_RTSP_DEBUG, LOG_PRI(loglevel));
}
  
static void on_debug_rtp (GtkWidget *window, gpointer data)
{
  int loglevel = GPOINTER_TO_INT(data);
  rtp_set_loglevel(LOG_PRI(loglevel));
  config.set_config_value(CONFIG_RTP_DEBUG, LOG_PRI(loglevel));
}

static void on_debug_sdp (GtkWidget *window, gpointer data)
{
  int loglevel = GPOINTER_TO_INT(data);

  sdp_set_loglevel(LOG_PRI(loglevel));
  config.set_config_value(CONFIG_SDP_DEBUG, LOG_PRI(loglevel));
}

static void on_debug_mpeg2t (GtkWidget *window, gpointer data)
{
  int loglevel = GPOINTER_TO_INT(data);

  mpeg2t_set_loglevel(LOG_PRI(loglevel));
  config.set_config_value(CONFIG_MPEG2T_DEBUG, LOG_PRI(loglevel));
}

static void on_media_play_audio (GtkWidget *window, gpointer data)
{
  GtkCheckMenuItem *checkmenu;
  checkmenu = GTK_CHECK_MENU_ITEM(window);

  config.set_config_value(CONFIG_PLAY_AUDIO, checkmenu->active);
  if (psptr != NULL) {
    ShowMessage("Warning", "Play audio will not take effect until next session");
  }
}

static void on_media_play_video (GtkWidget *window, gpointer data)
{
  GtkCheckMenuItem *checkmenu;
  checkmenu = GTK_CHECK_MENU_ITEM(window);

  config.set_config_value(CONFIG_PLAY_VIDEO, checkmenu->active);
  if (psptr != NULL) {
    ShowMessage("Warning", "Play video will not take effect until next session");
  }
}

static void on_network_rtp_over_rtsp (GtkWidget *window, gpointer data)
{
  GtkCheckMenuItem *checkmenu;

  checkmenu = GTK_CHECK_MENU_ITEM(window);


  config.set_config_value(CONFIG_USE_RTP_OVER_RTSP,
			  checkmenu->active);
}
  
static void change_video_size (int newsize)
{
  if (master_screen_size == newsize) return;

  master_screen_size = newsize;
  if (psptr != NULL) {
    psptr->set_screen_size(newsize / 50);
  }
  int index;
  if (newsize == 50) index = 0;
  else if (newsize == 100) index = 1;
  else index = 2;
#ifdef HAVE_GTK_2_0
  if (!gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(videoradio[index])))
#else
    if (!(GTK_CHECK_MENU_ITEM(videoradio[index])->active)) 
#endif
    gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(videoradio[index]), TRUE);

}

static void on_video_radio (GtkWidget *window, gpointer data)
{
#ifdef HAVE_GTK_2_0
  if (!gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(window)))
#else
    if (!(GTK_CHECK_MENU_ITEM(window)->active)) 
#endif
    return;

  int newsize = GPOINTER_TO_INT(data);
  if (newsize != master_screen_size) {
    change_video_size(newsize);
  }
}

static void on_aspect_ratio (GtkWidget *window, gpointer data)
{
#ifdef HAVE_GTK_2_0
  if (!gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(window)))
#else
    if (!(GTK_CHECK_MENU_ITEM(window)->active)) 
#endif
    return;
  int newaspect = GPOINTER_TO_INT(data);
  if (psptr != NULL) set_aspect_ratio(newaspect);
}

static void on_video_fullscreen (GtkWidget *window, gpointer data)
{
  if (psptr != NULL) {
    master_fullscreen = 1;
    psptr->set_screen_size(master_screen_size / 50, 1);
  }
}

static int on_time_slider_pressed (GtkWidget *window, gpointer data)
{