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gst-inspect: print more details for typefind and tracer features

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Print full details for typefind features. Print some of the available features
for tracers and add some todos for the ones we'd like to see.
This commit is contained in:
Stefan Sauer 2017-10-20 13:02:35 +02:00
parent ef660a21d6
commit 875903be3f
1 changed files with 147 additions and 29 deletions
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176
tools/gst-inspect.c
View file

@ -30,6 +30,7 @@
#define GLIB_DISABLE_DEPRECATION_WARNINGS
#include "tools.h"
#include <gst/gst_private.h> /* for internal Factories */
#include <string.h>
#include <locale.h>
@ -39,6 +40,9 @@ static char *_name = NULL;
static int print_element_info (GstPluginFeature * feature,
gboolean print_names);
static int print_typefind_info (GstPluginFeature * feature,
gboolean print_names);
static int print_tracer_info (GstPluginFeature * feature, gboolean print_names);
/* *INDENT-OFF* */
G_GNUC_PRINTF (1, 2)
@ -937,6 +941,17 @@ print_blacklist (void)
gst_plugin_list_free (plugins);
}
static void
print_typefind_extensions (const gchar * const *extensions)
{
guint i = 0;
while (extensions[i]) {
g_print ("%s%s", i > 0 ? ", " : "", extensions[i]);
i++;
}
}
static void
print_element_list (gboolean print_all, gchar * ftypes)
{
@ -953,7 +968,6 @@ print_element_list (gboolean print_all, gchar * ftypes)
}
orig_plugins = plugins = gst_registry_get_plugin_list (gst_registry_get ());
while (plugins) {
GList *features, *orig_features;
@ -1021,15 +1035,10 @@ print_element_list (gboolean print_all, gchar * ftypes)
extensions = gst_type_find_factory_get_extensions (factory);
if (extensions != NULL) {
guint i = 0;
while (extensions[i]) {
if (!print_all)
g_print ("%s%s", i > 0 ? ", " : "", extensions[i]);
i++;
}
if (!print_all)
if (!print_all) {
print_typefind_extensions (extensions);
g_print ("\n");
}
} else {
if (!print_all)
g_print ("no extensions\n");
@ -1273,31 +1282,31 @@ print_feature_info (const gchar * feature_name, gboolean print_all)
{
GstPluginFeature *feature;
GstRegistry *registry = gst_registry_get ();
int ret;
feature = gst_registry_find_feature (registry, feature_name,
GST_TYPE_ELEMENT_FACTORY);
if (feature) {
int ret = print_element_info (feature, print_all);
gst_object_unref (feature);
return ret;
if ((feature = gst_registry_find_feature (registry, feature_name,
GST_TYPE_ELEMENT_FACTORY))) {
ret = print_element_info (feature, print_all);
goto handled;
}
/* FIXME implement other pretty print function for these */
feature = gst_registry_find_feature (registry, feature_name,
GST_TYPE_TYPE_FIND_FACTORY);
if (feature) {
n_print ("%s: a typefind function\n", feature_name);
gst_object_unref (feature);
return 0;
if ((feature = gst_registry_find_feature (registry, feature_name,
GST_TYPE_TYPE_FIND_FACTORY))) {
ret = print_typefind_info (feature, print_all);
goto handled;
}
feature = gst_registry_find_feature (registry, feature_name,
GST_TYPE_TRACER_FACTORY);
if (feature) {
n_print ("%s: a tracer module\n", feature_name);
gst_object_unref (feature);
return 0;
if ((feature = gst_registry_find_feature (registry, feature_name,
GST_TYPE_TRACER_FACTORY))) {
ret = print_tracer_info (feature, print_all);
goto handled;
}
/* TODO: handle DEVICE_PROVIDER_FACTORY */
return -1;
handled:
gst_object_unref (feature);
return ret;
}
static int
@ -1351,10 +1360,119 @@ print_element_info (GstPluginFeature * feature, gboolean print_names)
gst_object_unref (element);
gst_object_unref (factory);
g_free (_name);
return 0;
}
static int
print_typefind_info (GstPluginFeature * feature, gboolean print_names)
{
GstTypeFindFactory *factory;
GstPlugin *plugin;
GstCaps *caps;
GstRank rank;
char s[20];
const gchar *const *extensions;
factory = GST_TYPE_FIND_FACTORY (gst_plugin_feature_load (feature));
if (!factory) {
g_print ("typefind plugin couldn't be loaded\n");
return -1;
}
if (print_names)
_name = g_strdup_printf ("%s: ", GST_OBJECT_NAME (factory));
else
_name = NULL;
n_print ("Factory Details:\n");
rank = gst_plugin_feature_get_rank (feature);
n_print (" %-25s%s (%d)\n", "Rank", get_rank_name (s, rank), rank);
n_print (" %-25s%s\n", "Name", GST_OBJECT_NAME (factory));
caps = gst_type_find_factory_get_caps (factory);
if (caps) {
gchar *caps_str = gst_caps_to_string (factory->caps);
n_print (" %-25s%s\n", "Caps", caps_str);
g_free (caps_str);
}
extensions = gst_type_find_factory_get_extensions (factory);
if (extensions) {
n_print (" %-25s", "Extensions");
print_typefind_extensions (extensions);
n_print ("\n");
}
n_print ("\n");
plugin = gst_plugin_feature_get_plugin (GST_PLUGIN_FEATURE (factory));
if (plugin) {
print_plugin_info (plugin);
gst_object_unref (plugin);
}
gst_object_unref (factory);
g_free (_name);
return 0;
}
static int
print_tracer_info (GstPluginFeature * feature, gboolean print_names)
{
GstTracerFactory *factory;
GstTracer *tracer;
GstPlugin *plugin;
gint maxlevel = 0;
factory = GST_TRACER_FACTORY (gst_plugin_feature_load (feature));
if (!factory) {
g_print ("tracer plugin couldn't be loaded\n");
return -1;
}
tracer = (GstTracer *) g_object_new (factory->type, NULL);
if (!tracer) {
gst_object_unref (factory);
g_print ("couldn't construct tracer for some reason\n");
return -1;
}
if (print_names)
_name = g_strdup_printf ("%s: ", GST_OBJECT_NAME (factory));
else
_name = NULL;
n_print ("Factory Details:\n");
n_print (" %-25s%s\n", "Name", GST_OBJECT_NAME (factory));
n_print ("\n");
plugin = gst_plugin_feature_get_plugin (GST_PLUGIN_FEATURE (factory));
if (plugin) {
print_plugin_info (plugin);
gst_object_unref (plugin);
}
print_hierarchy (G_OBJECT_TYPE (tracer), 0, &maxlevel);
print_interfaces (G_OBJECT_TYPE (tracer));
/* TODO: list what hooks it registers
* - the data is available in gsttracerutils, we need to iterate the
* _priv_tracers hashtable for each probe and then check the list of hooks
* for each probe whether hook->tracer == tracer :/
*/
/* TODO: list what records it emits
* - in class_init tracers can create GstTracerRecord instances
* - those only get logged right now and there is no association with the
* tracer that created them
* - we'd need to add them to GstTracerFactory
* gst_tracer_class_add_record (klass, record);
* - needs work in gstregistrychunks.
*/
gst_object_unref (tracer);
gst_object_unref (factory);
g_free (_name);
return 0;
}
static void
print_plugin_automatic_install_info_codecs (GstElementFactory * factory)