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-rw-r--r--trunk/src/totem-missing-plugins.c267
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diff --git a/trunk/src/totem-missing-plugins.c b/trunk/src/totem-missing-plugins.c
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+/* totem-missing-plugins.c
+
+ Copyright (C) 2007 Tim-Philipp Müller <tim centricular net>
+
+ The Gnome 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.
+
+ The Gnome 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 the Gnome Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA.
+
+ Author: Tim-Philipp Müller <tim centricular net>
+ */
+
+#include "config.h"
+
+#include "totem-missing-plugins.h"
+
+#ifdef USE_GIMME_CODEC
+
+#include "totem-private.h"
+#include "bacon-video-widget.h"
+
+#include <gimme-codec.h>
+#include <gst/gst.h> /* for gst_registry_update */
+
+#include <gtk/gtk.h>
+
+#ifdef GDK_WINDOWING_X11
+#include <gdk/gdkx.h>
+#endif
+
+#include <string.h>
+
+GST_DEBUG_CATEGORY_EXTERN (_totem_gst_debug_cat);
+#define GST_CAT_DEFAULT _totem_gst_debug_cat
+
+/* list of blacklisted detail strings */
+static GList *blacklisted_plugins = NULL;
+
+typedef struct
+{
+ gboolean playing;
+ gchar **descriptions;
+ gchar **details;
+ Totem *totem;
+}
+TotemCodecInstallContext;
+
+static gboolean
+totem_codec_install_plugin_is_blacklisted (const gchar * detail)
+{
+ GList *res;
+
+ res = g_list_find_custom (blacklisted_plugins,
+ detail,
+ (GCompareFunc) strcmp);
+
+ return (res != NULL);
+}
+
+static void
+totem_codec_install_blacklist_plugin (const gchar * detail)
+{
+ if (!totem_codec_install_plugin_is_blacklisted (detail))
+ {
+ blacklisted_plugins = g_list_prepend (blacklisted_plugins,
+ g_strdup (detail));
+ }
+}
+
+static void
+totem_codec_install_context_free (TotemCodecInstallContext *ctx)
+{
+ g_strfreev (ctx->descriptions);
+ g_strfreev (ctx->details);
+ g_free (ctx);
+}
+
+static void
+on_gimme_codec_installation_done (GimmeCodecStatus status, void *user_data)
+{
+ TotemCodecInstallContext *ctx = (TotemCodecInstallContext *) user_data;
+ gchar **p;
+
+ GST_INFO ("status = %d", status);
+
+ /* FIXME: codes for PARTIAL_SUCCESS and USER_ABORTED will be added to
+ * libgimme-codec in the future */
+ switch (status)
+ {
+ /* treat partial success the same as success; in the worst case we'll
+ * just do another round and get NOT_FOUND as result that time */
+ /* case GIMME_CODEC_PARTIAL_SUCCESS: */
+ case GIMME_CODEC_SUCCESS:
+ {
+ /* blacklist installed plugins too, so that we don't get
+ * into endless installer loops in case of inconsistencies */
+ for (p = ctx->details; p != NULL && *p != NULL; ++p)
+ totem_codec_install_blacklist_plugin (*p);
+
+ bacon_video_widget_stop (ctx->totem->bvw);
+ g_message ("Missing plugins installed. Updating plugin registry ...");
+
+ /* force GStreamer to re-read its plugin registry */
+ if (gst_update_registry ())
+ {
+ g_message ("Plugin registry updated, trying again.");
+ bacon_video_widget_play (ctx->totem->bvw, NULL);
+ } else {
+ g_warning ("GStreamer registry update failed");
+ /* FIXME: should we show an error message here? */
+ }
+ }
+ break;
+ case GIMME_CODEC_NOT_FOUND:
+ {
+ g_message ("No installation candidate for missing plugins found.");
+
+ /* NOT_FOUND should only be returned if not a single one of the
+ * requested plugins was found; if we managed to play something
+ * anyway, we should just continue playing what we have and
+ * blacklist the requested plugins for this session; if we
+ * could not play anything we should blacklist them as well,
+ * so the install wizard isn't called again for nothing */
+ for (p = ctx->details; p != NULL && *p != NULL; ++p)
+ totem_codec_install_blacklist_plugin (*p);
+
+ if (ctx->playing)
+ {
+ bacon_video_widget_play (ctx->totem->bvw, NULL);
+ } else {
+ /* nothing we can do, user already saw error from wizard */
+ bacon_video_widget_stop (ctx->totem->bvw);
+ }
+ }
+ break;
+ /* yet-to-be-added to libgimme-codec:
+ case GIMME_CODEC_USER_ABORTED:
+ {
+ if (ctx->playing)
+ bacon_video_widget_play (ctx->totem->bvw, NULL);
+ else
+ bacon_video_widget_stop (ctx->totem->bvw);
+ }
+ break;
+ */
+ case GIMME_CODEC_INSTALLATION_ERROR:
+ case GIMME_CODEC_HELPER_CRASHED:
+ default:
+ {
+ g_message ("Missing plugin installation failed: %s",
+ gimme_codec_status_message (status));
+
+ if (ctx->playing)
+ bacon_video_widget_play (ctx->totem->bvw, NULL);
+ else
+ bacon_video_widget_stop (ctx->totem->bvw);
+ break;
+ }
+ }
+
+ totem_codec_install_context_free (ctx);
+}
+
+static gboolean
+totem_on_missing_plugins_event (BaconVideoWidget *bvw, char **details,
+ char **descriptions, gboolean playing,
+ Totem *totem)
+{
+ TotemCodecInstallContext *ctx;
+ GimmeCodecStatus status;
+ guint i, num;
+ gulong xid = 0;
+
+ gimme_codec_glib_init ();
+
+ num = g_strv_length (details);
+ g_return_val_if_fail (num > 0 && g_strv_length (descriptions) == num, FALSE);
+
+ ctx = g_new0 (TotemCodecInstallContext, 1);
+ ctx->descriptions = g_strdupv (descriptions);
+ ctx->details = g_strdupv (details);
+ ctx->playing = playing;
+ ctx->totem = totem;
+
+ for (i = 0; i < num; ++i)
+ {
+ if (totem_codec_install_plugin_is_blacklisted (ctx->details[i]))
+ {
+ g_message ("Missing plugin: %s (ignoring)", ctx->details[i]);
+ g_free (ctx->details[i]);
+ g_free (ctx->descriptions[i]);
+ ctx->details[i] = ctx->details[num-1];
+ ctx->descriptions[i] = ctx->descriptions[num-1];
+ ctx->details[num-1] = NULL;
+ ctx->descriptions[num-1] = NULL;
+ --num;
+ --i;
+ } else {
+ g_message ("Missing plugin: %s (%s)", ctx->details[i], ctx->descriptions[i]);
+ }
+ }
+
+ if (num == 0)
+ {
+ g_message ("All missing plugins are blacklisted, doing nothing");
+ totem_codec_install_context_free (ctx);
+ return FALSE;
+ }
+
+#ifdef GDK_WINDOWING_X11
+ if (totem->win != NULL && GTK_WIDGET_REALIZED (totem->win))
+ xid = GDK_WINDOW_XWINDOW (GTK_WIDGET (totem->win)->window);
+#endif
+
+ status = gimme_codec_async (ctx->details, xid,
+ on_gimme_codec_installation_done,
+ ctx);
+
+ GST_INFO ("gimme_codec_async() status = %d", status);
+
+ if (status != GIMME_CODEC_SUCCESS)
+ {
+ if (status == GIMME_CODEC_HELPER_MISSING)
+ {
+ g_message ("Automatic missing codec installation not supported "
+ "(helper script missing)");
+ } else {
+ g_warning ("Failed to start codec installation: %s",
+ gimme_codec_status_message (status));
+ }
+ totem_codec_install_context_free (ctx);
+ return FALSE;
+ }
+
+ /* if we managed to start playing, pause playback, since some install
+ * wizard should now take over in a second anyway and the user might not
+ * be able to use totem's controls while the wizard is running */
+ if (playing)
+ bacon_video_widget_pause (bvw);
+
+ return TRUE;
+}
+
+#endif /* USE_GIMME_CODEC */
+
+void
+totem_missing_plugins_setup (Totem *totem)
+{
+#ifdef USE_GIMME_CODEC
+ g_signal_connect (G_OBJECT (totem->bvw),
+ "missing-plugins",
+ G_CALLBACK (totem_on_missing_plugins_event),
+ totem);
+
+ GST_INFO ("Set up gimme-codec missing plugin support");
+#endif
+}
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