gst-player-1.8.0.zip_-baijiahao_GST_gst-player_gst-player编译_play

/* GStreamer * Copyright (C) 1999,2000,2001,2002 Erik Walthinsen <omega@cse.ogi.edu> * 2000,2001,2002 Wim Taymans <wtay@chello.be> * 2002 Steve Baker <steve@stevebaker.org> * 2003 Julien Moutte <julien@moutte.net> * * gstmediaplay.c: Media Player widget for Gst-Player * * 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., 59 Temple Place - Suite 330, * Boston, MA 02111-1307, USA. */ #ifdef HAVE_CONFIG_H #include "config.h" #endif #include <locale.h> /* Gnome stuff */ #include <gnome.h> #include <libgnomevfs/gnome-vfs.h> #include <gconf/gconf-client.h> #include <glade/glade.h> /* GStreamer Interfaces */ #include <gst/xoverlay/xoverlay.h> #include <gst/navigation/navigation.h> #include <gst/mixer/mixer.h> #include <gst/gconf/gconf.h> #include "gstmediaplay.h" #include "gstvideowidget.h" #include "gstpreferences.h" #include "gstmediainfo.h" #include "gstcontrol.h" #include "gstplayer-marshal.h" #include "gtk-playlist.h" struct _GstMediaPlayPrivate { GladeXML *media_info_xml; GstPlay *play; GstMixer *mixer; GstMixerTrack *mixer_track; GstXOverlay *xoverlay; GdkWindow *video_window; gint video_window_x; gint video_window_y; gint video_window_w; gint video_window_h; GtkWidget *video_widget; GtkWidget *control; GtkWidget *media_info; GtkWindow *control_fs_window; GtkVBox *control_fs_vbox; GdkPixbuf *logo_pixbuf; GdkPixbuf *play_pixbuf; const char *location; const char *location_short; gboolean auto_resize; gboolean media_has_video; gboolean with_visualization; char *vis_plugin_name; GstElement *vis_element; GstMediaPlayMode display_mode; gboolean fs_control_bar_visible; gint64 length_nanos; gint64 current_time_nanos; /* For moving the control window */ guint32 move_id; guint32 hide_cursor_id; int control_y; /* for housekeeping if ui has been touched since last error */ gboolean ui_touched; GAsyncQueue *queue; }; enum { VIDEO_SIZE, STATE, ERROR, FOUND_TAG }; typedef struct _GstMediaPlaySignal GstMediaPlaySignal; struct _GstMediaPlaySignal { gint signal_id; union { struct { gint width; gint height; } video_size; struct { GstElementState old_state; GstElementState new_state; } state; struct { GstElement *element; GError *error; gchar *debug; } error; struct { GstElement *source; GstTagList *tag_list; } found_tag; } signal_data; }; static const GtkTargetEntry target_table[] = { {"text/uri-list", 0, 0}, }; static GtkVBoxClass *parent_class = NULL; enum { STATE_CHANGE, DISPLAY_MODE_CHANGE, CURRENT_LOCATION, PLAYBACK_ERROR, LAST_SIGNAL }; static gint gst_media_play_signals[LAST_SIGNAL] = { 0 }; /* ============================================================= */ /* */ /* Private Methods */ /* */ /* ============================================================= */ /* =========================================== */ /* */ /* Tool Box */ /* */ /* =========================================== */ GQuark gst_media_play_error_quark (void) { static GQuark quark = 0; if (quark == 0) quark = g_quark_from_static_string ("gst-media-play-error-quark"); return quark; } static GladeXML * gst_media_play_get_glade_xml_from_file (const gchar * fname, const gchar * root, const gchar * domain, gboolean connect_signals) { GladeXML *xml; xml = glade_xml_new (fname, root, domain); if (connect_signals) { /* connect the signals in the interface */ glade_xml_signal_autoconnect (xml); } return xml; } static GladeXML * gst_media_play_get_glade_xml (const gchar * fname, const gchar * root, const gchar * domain, gboolean connect_signals) { gchar *full_fname = NULL; GladeXML *xml = NULL; full_fname = gst_media_play_get_ui_file (fname); g_return_val_if_fail (full_fname != NULL, NULL); xml = gst_media_play_get_glade_xml_from_file (full_fname, root, domain, connect_signals); if (full_fname) g_free (full_fname); return xml; } static void gst_media_error_dialog (GError * error, const gchar * debug) { GtkWidget *dialog; /* throw up a dialog box; FIXME: we don't have a parent */ /* FIXME: maybe even fallback the GError and do error * handling higher up ? */ g_assert (error); dialog = gtk_message_dialog_new (NULL, 0, GTK_MESSAGE_ERROR, GTK_BUTTONS_CLOSE, error->message); g_signal_connect_swapped (GTK_OBJECT (dialog), "response", G_CALLBACK (gtk_widget_destroy), GTK_OBJECT (dialog)); gtk_dialog_run (GTK_DIALOG (dialog)); g_error_free (error); } static void gst_media_play_update_interfaces (GstMediaPlay * mplay) { g_return_if_fail (GST_IS_MEDIA_PLAY (mplay)); /* We try to get interesting elements from the GstPlay bin through the interfaces they implement */ if (GST_IS_BIN (mplay->_priv->play)) { GstElement *element = NULL; GList *elements = NULL, *l_elements = NULL; /* First let's search for an XOverlay */ element = gst_bin_get_by_interface (GST_BIN (mplay->_priv->play), GST_TYPE_X_OVERLAY); if (GST_IS_X_OVERLAY (element)) mplay->_priv->xoverlay = GST_X_OVERLAY (element); /* If we found one we tell it to use our video window */ if (GST_IS_X_OVERLAY (mplay->_priv->xoverlay) && GDK_IS_WINDOW (mplay->_priv->video_window)) gst_x_overlay_set_xwindow_id (mplay->_priv->xoverlay, GDK_WINDOW_XID (mplay->_priv->video_window)); /* Now search for a volume mixer and prefer a software interface */ /* Get them all and prefer software one */ elements = gst_bin_get_all_by_interface (GST_BIN (mplay->_priv->play), GST_TYPE_MIXER); l_elements = elements; /* We take the first one */ if (elements && GST_IS_MIXER (elements->data)) element = GST_ELEMENT (elements->data); while (elements) { GstElement *local_element = NULL; GstMixerClass *m_class = NULL; if (elements->data && GST_IS_MIXER (elements->data)) { local_element = GST_ELEMENT (elements->data); m_class = GST_MIXER_GET_CLASS (elements->data); /* If one of them is hardware type we use that one then */ if (GST_MIXER_TYPE (m_class) == GST_MIXER_SOFTWARE) { element = local_element; } } elements = g_list_next (elements); } if (l_elements) g_list_free (l_elements); elements = l_elements = NULL; if (GST_IS_MIXER (element)) { const GList *tracks; mplay->_priv->mixer = GST_MIXER (element); tracks = gst_mixer_list_tracks (GST_MIXER (element)); if (tracks) mplay->_priv->mixer_track = GST_MIXER_TRACK (tracks->data); } else g_warning ("can't find any mixer element, no volume."); } } /* =========================================== */ /* */ /* GFX stuff */ /* */ /* =========================================== */ static void gst_media_play_toggle_playlist (Gtk