//
// STARTUP
///////////////////////////////////////////////////////////////////////////////
// (static) super-initialization - called once at application startup
bool LLMediaImplGStreamer::startup (LLMediaManagerData* init_data)
{
static bool done_init = false;
if (!done_init)
{
// Init the glib type system - we need it.
g_type_init();
set_gst_plugin_path();
// Protect against GStreamer resetting the locale, yuck.
static std::string saved_locale;
saved_locale = setlocale(LC_ALL, NULL);
if (0 == gst_init_check(NULL, NULL, NULL))
{
LL_WARNS("MediaImpl") << "GStreamer library failed to initialize and load standard plugins." << LL_ENDL;
setlocale(LC_ALL, saved_locale.c_str() );
return false;
}
setlocale(LC_ALL, saved_locale.c_str() );
// Set up logging facilities
gst_debug_remove_log_function( gst_debug_log_default );
gst_debug_add_log_function( gstreamer_log, NULL );
// Init our custom plugins - only really need do this once.
gst_slvideo_init_class();
// List the plugins GStreamer can find
LL_DEBUGS("MediaImpl") << "Found GStreamer plugins:" << LL_ENDL;
GList *list;
GstRegistry *registry = gst_registry_get_default();
std::string loaded = "";
for (list = gst_registry_get_plugin_list(registry);
list != NULL;
list = g_list_next(list))
{
GstPlugin *list_plugin = (GstPlugin *)list->data;
(bool)gst_plugin_is_loaded(list_plugin) ? loaded = "Yes" : loaded = "No";
LL_DEBUGS("MediaImpl") << gst_plugin_get_name(list_plugin) << ", loaded? " << loaded << LL_ENDL;
}
gst_plugin_list_free(list);
done_init = true;
}
return true;
}
//static
bool
MediaPluginGStreamer010::startup()
{
// first - check if GStreamer is explicitly disabled
if (NULL != getenv("LL_DISABLE_GSTREAMER"))
return false;
// only do global GStreamer initialization once.
if (!mDoneInit)
{
#if !GLIB_CHECK_VERSION(2, 36, 0)
#if !GLIB_CHECK_VERSION(2, 32, 0)
if (!g_thread_supported()) g_thread_init(NULL);
#endif
// Init the glib type system - we need it.
g_type_init();
#endif
set_gst_plugin_path();
/*
// Get symbols!
#if LL_DARWIN
if (! grab_gst_syms("libgstreamer-0.10.dylib",
"libgstvideo-0.10.dylib") )
#elseif LL_WINDOWS
if (! grab_gst_syms("libgstreamer-0.10.dll",
"libgstvideo-0.10.dll") )
#else // linux or other ELFy unixoid
if (! grab_gst_syms("libgstreamer-0.10.so.0",
"libgstvideo-0.10.so.0") )
#endif
{
WARNMSG("Couldn't find suitable GStreamer 0.10 support on this system - video playback disabled.");
return false;
}
*/
// if (gst_segtrap_set_enabled)
// {
gst_segtrap_set_enabled(FALSE);
// }
// else
// {
// WARNMSG("gst_segtrap_set_enabled() is not available; plugin crashes won't be caught.");
// }
/*
#if LL_LINUX
// Gstreamer tries a fork during init, waitpid-ing on it,
// which conflicts with any installed SIGCHLD handler...
struct sigaction tmpact, oldact;
if (gst_registry_fork_set_enabled) {
// if we can disable SIGCHLD-using forking behaviour,
// do it.
gst_registry_fork_set_enabled(false);
}
else {
// else temporarily install default SIGCHLD handler
// while GStreamer initialises
tmpact.sa_handler = SIG_DFL;
sigemptyset( &tmpact.sa_mask );
tmpact.sa_flags = SA_SIGINFO;
sigaction(SIGCHLD, &tmpact, &oldact);
}
#endif // LL_LINUX
*/
// Protect against GStreamer resetting the locale, yuck.
static std::string saved_locale;
saved_locale = setlocale(LC_ALL, NULL);
// finally, try to initialize GStreamer!
GError *err = NULL;
gboolean init_gst_success = gst_init_check(NULL, NULL, &err);
// restore old locale
setlocale(LC_ALL, saved_locale.c_str() );
/*
#if LL_LINUX
// restore old SIGCHLD handler
if (!gst_registry_fork_set_enabled)
sigaction(SIGCHLD, &oldact, NULL);
#endif // LL_LINUX
*/
if (!init_gst_success) // fail
{
if (err)
{
WARNMSG("GST init failed: %s", err->message);
g_error_free(err);
}
else
{
WARNMSG("GST init failed for unspecified reason.");
}
return false;
}
// Set up logging facilities
gst_debug_remove_log_function( gst_debug_log_default );
// gst_debug_add_log_function( gstreamer_log, NULL );
// Init our custom plugins - only really need do this once.
gst_slvideo_init_class();
/*
// List the plugins GStreamer can find
LL_DEBUGS("MediaImpl") << "Found GStreamer plugins:" << LL_ENDL;
GList *list;
GstRegistry *registry = gst_registry_get_default();
std::string loaded = "";
for (list = gst_registry_get_plugin_list(registry);
list != NULL;
list = g_list_next(list))
{
GstPlugin *list_plugin = (GstPlugin *)list->data;
(bool)gst_plugin_is_loaded(list_plugin) ? loaded = "Yes" : loaded = "No";
LL_DEBUGS("MediaImpl") << gst_plugin_get_name(list_plugin) << ", loaded? " << loaded << LL_ENDL;
}
gst_plugin_list_free(list);
*/
mDoneInit = true;
}
return true;
}
