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Enable/disable scan_and_update_registry() based on commandline switch or environment variable. Fixes #520468.
Original commit message from CVS: patch by: Jason Zhao <e3423c@motorola.com> * docs/gst/running.xml: * gst/gst.c: Enable/disable scan_and_update_registry() based on commandline switch or environment variable. Fixes #520468. * ChangeLog: Fix typo in my previous commit.
This commit is contained in:
Jason Zhao
Stefan Kost
parent
c7acfbaf43
commit
d9c9c264e2
3 changed files with 77 additions and 33 deletions
14
ChangeLog
14
ChangeLog
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@ -1,7 +1,19 @@
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2008-04-24 Stefan Kost <ensonic@users.sf.net>
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patch by: Jason Zhao <e3423c@motorola.com>
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* docs/gst/running.xml:
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* gst/gst.c:
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Enable/disable scan_and_update_registry() based on commandline switch
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or environment variable. Fixes #520468.
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* ChangeLog:
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Fix typo in my previous commit.
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2008-04-24 Stefan Kost <ensonic@users.sf.net>
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* gst/gstregistrybinary.c:
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Add a warning of we hit unhandled factories when saving.
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Add a warning if we hit unhandled factories when saving.
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More debug logging detail, but move to LOG category.
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2008-04-24 Stefan Kost <ensonic@users.sf.net>
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@ -204,6 +204,17 @@ application.
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</formalpara>
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<formalpara id="GST_REGISTRY_UPDATE">
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<title><envar>GST_REGISTRY_UPDATE</envar></title>
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<para>
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Set this environment variable to "no" to prevent GStreamer from updating the
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plugin registry. This is useful for embedded device which is not updating the
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plugins frequently, it will save time when doing gst_init().
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</para>
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</formalpara>
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</refsect2>
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</refsect1>
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85
gst/gst.c
85
gst/gst.c
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@ -151,6 +151,9 @@ static gboolean _gst_disable_segtrap = FALSE;
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/* control the behaviour of registry rebuild */
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static gboolean _gst_enable_registry_fork = DEFAULT_FORK;
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/*set to TRUE when registry needn't to be updated */
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static gboolean _gst_disable_registry_update = FALSE;
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static void load_plugin_func (gpointer data, gpointer user_data);
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static gboolean init_pre (GOptionContext * context, GOptionGroup * group,
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gpointer data, GError ** error);
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@ -190,6 +193,7 @@ enum
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ARG_PLUGIN_PATH,
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ARG_PLUGIN_LOAD,
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ARG_SEGTRAP_DISABLE,
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ARG_REGISTRY_UPDATE_DISABLE,
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ARG_REGISTRY_FORK_DISABLE
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};
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@ -340,6 +344,11 @@ gst_init_get_option_group (void)
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(gpointer) parse_goption_arg,
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N_("Disable trapping of segmentation faults during plugin loading"),
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NULL},
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{"gst-disable-registry-update", 0, G_OPTION_FLAG_NO_ARG,
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G_OPTION_ARG_CALLBACK,
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(gpointer) parse_goption_arg,
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N_("Disable updating the registry"),
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NULL},
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{"gst-disable-registry-fork", 0, G_OPTION_FLAG_NO_ARG,
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G_OPTION_ARG_CALLBACK,
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(gpointer) parse_goption_arg,
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@ -754,12 +763,6 @@ ensure_current_registry_nonforking (GstRegistry * default_registry,
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const gchar * registry_file, GError ** error)
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{
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/* fork() not available */
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GST_INFO ("reading registry cache: %s", registry_file);
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#ifdef USE_BINARY_REGISTRY
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gst_registry_binary_read_cache (default_registry, registry_file);
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#else
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gst_registry_xml_read_cache (default_registry, registry_file);
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#endif
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GST_DEBUG ("Updating registry cache in-process");
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scan_and_update_registry (default_registry, registry_file, TRUE, error);
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return TRUE;
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@ -787,13 +790,6 @@ ensure_current_registry_forking (GstRegistry * default_registry,
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return FALSE;
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}
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GST_INFO ("reading registry cache: %s", registry_file);
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#ifdef USE_BINARY_REGISTRY
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gst_registry_binary_read_cache (default_registry, registry_file);
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#else
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gst_registry_xml_read_cache (default_registry, registry_file);
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#endif
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pid = fork ();
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if (pid == -1) {
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GST_ERROR ("Failed to fork()");
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@ -882,10 +878,11 @@ ensure_current_registry_forking (GstRegistry * default_registry,
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static gboolean
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ensure_current_registry (GError ** error)
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{
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char *registry_file;
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gchar *registry_file;
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GstRegistry *default_registry;
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gboolean ret;
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gboolean ret = TRUE;
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gboolean do_fork;
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gboolean do_update;
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default_registry = gst_registry_get_default ();
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registry_file = g_strdup (g_getenv ("GST_REGISTRY"));
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@ -899,30 +896,50 @@ ensure_current_registry (GError ** error)
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#endif
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}
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/* first see if forking is enabled */
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do_fork = _gst_enable_registry_fork;
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if (do_fork) {
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const gchar *fork_env;
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GST_INFO ("reading registry cache: %s", registry_file);
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#ifdef USE_BINARY_REGISTRY
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gst_registry_binary_read_cache (default_registry, registry_file);
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#else
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gst_registry_xml_read_cache (default_registry, registry_file);
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#endif
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/* forking enabled, see if it is disabled with an env var */
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if ((fork_env = g_getenv ("GST_REGISTRY_FORK"))) {
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/* fork enabled for any value different from "no" */
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do_fork = strcmp (fork_env, "no") != 0;
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do_update = !_gst_disable_registry_update;
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if (do_update) {
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const gchar *update_env;
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if ((update_env = g_getenv ("GST_REGISTRY_UPDATE"))) {
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/* do update for any value different from "no" */
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do_update = (strcmp (update_env, "no") != 0);
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}
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}
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/* now check registry with or without forking */
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if (do_fork) {
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GST_DEBUG ("forking for registry rebuild");
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ret = ensure_current_registry_forking (default_registry, registry_file,
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error);
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} else {
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GST_DEBUG ("requested not to fork for registry rebuild");
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ret = ensure_current_registry_nonforking (default_registry, registry_file,
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error);
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if (do_update) {
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/* first see if forking is enabled */
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do_fork = _gst_enable_registry_fork;
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if (do_fork) {
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const gchar *fork_env;
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/* forking enabled, see if it is disabled with an env var */
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if ((fork_env = g_getenv ("GST_REGISTRY_FORK"))) {
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/* fork enabled for any value different from "no" */
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do_fork = strcmp (fork_env, "no") != 0;
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}
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}
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/* now check registry with or without forking */
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if (do_fork) {
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GST_DEBUG ("forking for registry rebuild");
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ret = ensure_current_registry_forking (default_registry, registry_file,
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error);
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} else {
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GST_DEBUG ("requested not to fork for registry rebuild");
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ret = ensure_current_registry_nonforking (default_registry, registry_file,
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error);
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}
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}
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g_free (registry_file);
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GST_INFO ("registry reading and updating done, result = %d", ret);
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return ret;
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}
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@ -1203,6 +1220,9 @@ parse_one_option (gint opt, const gchar * arg, GError ** err)
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case ARG_SEGTRAP_DISABLE:
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_gst_disable_segtrap = TRUE;
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break;
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case ARG_REGISTRY_UPDATE_DISABLE:
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_gst_disable_registry_update = TRUE;
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break;
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case ARG_REGISTRY_FORK_DISABLE:
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_gst_enable_registry_fork = FALSE;
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break;
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@ -1240,6 +1260,7 @@ parse_goption_arg (const gchar * opt,
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"--gst-plugin-path", ARG_PLUGIN_PATH}, {
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"--gst-plugin-load", ARG_PLUGIN_LOAD}, {
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"--gst-disable-segtrap", ARG_SEGTRAP_DISABLE}, {
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"--gst-disable-registry-update", ARG_REGISTRY_UPDATE_DISABLE}, {
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"--gst-disable-registry-fork", ARG_REGISTRY_FORK_DISABLE}, {
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NULL}
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};
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