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tracer: Initialize GstTracer _priv_tracers and quarks unconditionnally

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Some people might use tracer hooks even if GST_TRACER_PLUGINS is not
set.

https://bugzilla.gnome.org/show_bug.cgi?id=760979
This commit is contained in:
Thibault Saunier 2016-01-22 11:25:30 +01:00
parent fefd65fea0
commit 7e5a892f89
1 changed files with 19 additions and 13 deletions
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32
gst/gsttracerutils.c
View file

@ -28,6 +28,9 @@
*
* The user can activate tracers by setting the environment variable GST_TRACE
* to a ';' separated list of tracers.
*
* Note that instanciating tracers at runtime is possible but is not thread safe
* and needs to be done before any pipeline state is set to PAUSED.
*/
#define GST_USE_UNSTABLE_API
@ -66,29 +69,32 @@ GHashTable *_priv_tracers = NULL;
void
_priv_gst_tracing_init (void)
{
gint i = 0;
const gchar *env = g_getenv ("GST_TRACERS");
/* We initialize the tracer sub system even if the end
* user did not activate it through the env variable
* so that external tools can use it anyway */
GST_DEBUG ("Initializing GstTracer");
_priv_tracers = g_hash_table_new (NULL, NULL);
if (G_N_ELEMENTS (_quark_strings) != GST_TRACER_QUARK_MAX)
g_warning ("the quark table is not consistent! %d != %d",
(gint) G_N_ELEMENTS (_quark_strings), GST_TRACER_QUARK_MAX);
for (i = 0; i < GST_TRACER_QUARK_MAX; i++) {
_priv_gst_tracer_quark_table[i] =
g_quark_from_static_string (_quark_strings[i]);
}
if (env != NULL && *env != '\0') {
GstRegistry *registry = gst_registry_get ();
GstPluginFeature *feature;
GstTracerFactory *factory;
gchar **t = g_strsplit_set (env, ";", 0);
gint i = 0;
gchar *params;
GST_INFO ("enabling tracers: '%s'", env);
if (G_N_ELEMENTS (_quark_strings) != GST_TRACER_QUARK_MAX)
g_warning ("the quark table is not consistent! %d != %d",
(gint) G_N_ELEMENTS (_quark_strings), GST_TRACER_QUARK_MAX);
for (i = 0; i < GST_TRACER_QUARK_MAX; i++) {
_priv_gst_tracer_quark_table[i] =
g_quark_from_static_string (_quark_strings[i]);
}
_priv_tracers = g_hash_table_new (NULL, NULL);
i = 0;
while (t[i]) {
// check t[i] for params