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gstreamer/tools/gst-xmlinspect.c
Wim Taymans c2f41a8906 Next big merge. 
Original commit message from CVS:
Next big merge.
Added GstBus for mainloop integration.
Added GstMessage for sending notifications on the bus.
Added GstTask as an abstraction for pipeline entry points.
Removed GstThread.
Removed Schedulers.
Simplified GstQueue for multithreaded core.
Made _link threadsafe, removed old capsnego.
Added STREAM_LOCK and PREROLL_LOCK in GstPad.
Added pad blocking functions.
Reworked scheduling functions in GstPad to prepare for
scheduling updates soon.
Moved events out of data stream.
Simplified GstEvent types.
Added return values to push/pull.
Removed clocking from GstElement.
Added prototypes for state change function for next merge.
Removed iterate from bins and state change management.
Fixed some elements, disabled others for now.
Fixed -inspect and -launch.
Added check for GstBus.
2005-03-21 17:34:02 +00:00

934 lines
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#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include <gst/gst.h>
#include <gst/control/control.h>
#include <string.h>
#include <locale.h>
#include <glib/gprintf.h>
#define PUT_START_TAG(pfx,tag) \
G_STMT_START{ \
g_print ("%*.*s<%s>\n", pfx, pfx, "", tag); \
}G_STMT_END
#define PUT_END_TAG(pfx,tag) \
G_STMT_START{ \
g_print ("%*.*s</%s>\n", pfx, pfx, "", tag); \
}G_STMT_END
#define PUT_ESCAPED(pfx,tag,value) \
G_STMT_START{ \
const gchar *toconv = value; \
if (value) { \
gchar *v = g_markup_escape_text (toconv, strlen (toconv)); \
g_print ("%*.*s<%s>%s</%s>\n", pfx, pfx, "", tag, v, tag); \
g_free (v); \
} \
}G_STMT_END
#ifdef G_HAVE_ISO_VARARGS
#define PUT_STRING(pfx, ...) \
G_STMT_START{ \
gchar *ps_val = g_strdup_printf(__VA_ARGS__); \
g_print ("%*.*s%s\n", pfx, pfx, "", ps_val); \
g_free(ps_val); \
}G_STMT_END
#elif defined(G_HAVE_GNUC_VARARGS)
#define PUT_STRING(pfx, str, a...) \
G_STMT_START{ \
g_print ("%*.*s"str"\n", pfx, pfx, "" , ##a); \
}G_STMT_END
#else
static inline void
PUT_STRING (int pfx, const char *format, ...)
{
va_list varargs;
g_print ("%*.*s", pfx, pfx, "");
va_start (varargs, format);
g_vprintf (format, varargs);
va_end (varargs);
g_print ("\n");
}
#endif
static void
print_caps (const GstCaps * caps, gint pfx)
{
char *s;
if (!caps)
return;
s = gst_caps_to_string (caps);
PUT_ESCAPED (pfx, "caps", s);
g_free (s);
}
static void
print_formats (const GstFormat * formats, gint pfx)
{
while (formats && *formats) {
const GstFormatDefinition *definition;
definition = gst_format_get_details (*formats);
if (definition)
PUT_STRING (pfx, "<format id=\"%d\" nick=\"%s\">%s</format>",
*formats, definition->nick, definition->description);
else
PUT_STRING (pfx, "<format id=\"%d\">unknown</format>", *formats);
formats++;
}
}
static void
print_query_types (const GstQueryType * types, gint pfx)
{
while (types && *types) {
const GstQueryTypeDefinition *definition;
definition = gst_query_type_get_details (*types);
if (definition)
PUT_STRING (pfx, "<query-type id=\"%d\" nick=\"%s\">%s</query-type>",
*types, definition->nick, definition->description);
else
PUT_STRING (pfx, "<query-type id=\"%d\">unknown</query-type>", *types);
types++;
}
}
static void
print_event_masks (const GstEventMask * masks, gint pfx)
{
#ifndef GST_DISABLE_ENUMTYPES
GType event_type;
GEnumClass *klass;
GType event_flags;
GFlagsClass *flags_class = NULL;
event_type = gst_event_type_get_type ();
klass = (GEnumClass *) g_type_class_ref (event_type);
while (masks && masks->type) {
GEnumValue *value;
gint flags = 0, index = 0;
switch (masks->type) {
case GST_EVENT_SEEK:
flags = masks->flags;
event_flags = gst_seek_type_get_type ();
flags_class = (GFlagsClass *) g_type_class_ref (event_flags);
break;
default:
break;
}
value = g_enum_get_value (klass, masks->type);
PUT_STRING (pfx, "<event type=\"%s\">", value->value_nick);
while (flags) {
GFlagsValue *value;
if (flags & 1) {
value = g_flags_get_first_value (flags_class, 1 << index);
if (value)
PUT_ESCAPED (pfx + 1, "flag", value->value_nick);
else
PUT_ESCAPED (pfx + 1, "flag", "?");
}
flags >>= 1;
index++;
}
PUT_END_TAG (pfx, "event");
masks++;
}
#endif
}
static void
output_hierarchy (GType type, gint level, gint * maxlevel)
{
GType parent;
parent = g_type_parent (type);
*maxlevel = *maxlevel + 1;
level++;
PUT_STRING (level, "<object name=\"%s\">", g_type_name (type));
if (parent)
output_hierarchy (parent, level, maxlevel);
PUT_END_TAG (level, "object");
}
static void
print_element_properties (GstElement * element, gint pfx)
{
GParamSpec **property_specs;
gint num_properties, i;
gboolean readable;
property_specs = g_object_class_list_properties
(G_OBJECT_GET_CLASS (element), &num_properties);
PUT_START_TAG (pfx, "element-properties");
for (i = 0; i < num_properties; i++) {
GValue value = { 0, };
GParamSpec *param = property_specs[i];
readable = FALSE;
g_value_init (&value, param->value_type);
if (param->flags & G_PARAM_READABLE) {
g_object_get_property (G_OBJECT (element), param->name, &value);
readable = TRUE;
}
PUT_START_TAG (pfx + 1, "element-property");
PUT_ESCAPED (pfx + 2, "name", g_param_spec_get_name (param));
PUT_ESCAPED (pfx + 2, "type", g_type_name (param->value_type));
PUT_ESCAPED (pfx + 2, "nick", g_param_spec_get_nick (param));
PUT_ESCAPED (pfx + 2, "blurb", g_param_spec_get_blurb (param));
if (readable) {
PUT_ESCAPED (pfx + 2, "flags", "RW");
} else {
PUT_ESCAPED (pfx + 2, "flags", "W");
}
switch (G_VALUE_TYPE (&value)) {
case G_TYPE_STRING:
PUT_ESCAPED (pfx + 2, "default", g_strdup_value_contents (&value));
break;
case G_TYPE_BOOLEAN:
PUT_ESCAPED (pfx + 2, "default", g_strdup_value_contents (&value));
break;
case G_TYPE_ULONG:
{
GParamSpecULong *pulong = G_PARAM_SPEC_ULONG (param);
PUT_STRING (pfx + 2, "<range min=\"%lu\" max=\"%lu\"/>",
pulong->minimum, pulong->maximum);
PUT_ESCAPED (pfx + 2, "default", g_strdup_value_contents (&value));
break;
}
case G_TYPE_LONG:
{
GParamSpecLong *plong = G_PARAM_SPEC_LONG (param);
PUT_STRING (pfx + 2, "<range min=\"%ld\" max=\"%ld\"/>",
plong->minimum, plong->maximum);
PUT_ESCAPED (pfx + 2, "default", g_strdup_value_contents (&value));
break;
}
case G_TYPE_UINT:
{
GParamSpecUInt *puint = G_PARAM_SPEC_UINT (param);
PUT_STRING (pfx + 2, "<range min=\"%u\" max=\"%u\"/>",
puint->minimum, puint->maximum);
PUT_ESCAPED (pfx + 2, "default", g_strdup_value_contents (&value));
break;
}
case G_TYPE_INT:
{
GParamSpecInt *pint = G_PARAM_SPEC_INT (param);
PUT_STRING (pfx + 2, "<range min=\"%d\" max=\"%d\"/>",
pint->minimum, pint->maximum);
PUT_ESCAPED (pfx + 2, "default", g_strdup_value_contents (&value));
break;
}
case G_TYPE_UINT64:
{
GParamSpecUInt64 *puint64 = G_PARAM_SPEC_UINT64 (param);
PUT_STRING (pfx + 2,
"<range min=\"%" G_GUINT64_FORMAT "\" max=\"%" G_GUINT64_FORMAT
"\"/>", puint64->minimum, puint64->maximum);
PUT_ESCAPED (pfx + 2, "default", g_strdup_value_contents (&value));
break;
}
case G_TYPE_INT64:
{
GParamSpecInt64 *pint64 = G_PARAM_SPEC_INT64 (param);
PUT_STRING (pfx + 2,
"<range min=\"%" G_GINT64_FORMAT "\" max=\"%" G_GINT64_FORMAT
"\"/>", pint64->minimum, pint64->maximum);
PUT_ESCAPED (pfx + 2, "default", g_strdup_value_contents (&value));
break;
}
case G_TYPE_FLOAT:
{
GParamSpecFloat *pfloat = G_PARAM_SPEC_FLOAT (param);
PUT_STRING (pfx + 2, "<range min=\"%f\" max=\"%f\"/>",
pfloat->minimum, pfloat->maximum);
PUT_ESCAPED (pfx + 2, "default", g_strdup_value_contents (&value));
break;
}
case G_TYPE_DOUBLE:
{
GParamSpecDouble *pdouble = G_PARAM_SPEC_DOUBLE (param);
PUT_STRING (pfx + 2, "<range min=\"%g\" max=\"%g\"/>",
pdouble->minimum, pdouble->maximum);
PUT_ESCAPED (pfx + 2, "default", g_strdup_value_contents (&value));
break;
}
default:
if (param->value_type == GST_TYPE_CAPS) {
GstCaps *caps = g_value_peek_pointer (&value);
if (!caps)
PUT_ESCAPED (pfx + 2, "default", "NULL");
else {
print_caps (caps, 2);
}
} else if (G_IS_PARAM_SPEC_ENUM (param)) {
GEnumValue *values;
guint j = 0;
gint enum_value;
values = G_ENUM_CLASS (g_type_class_ref (param->value_type))->values;
enum_value = g_value_get_enum (&value);
while (values[j].value_name) {
if (values[j].value == enum_value)
break;
j++;
}
PUT_STRING (pfx + 2, "<default>%d</default>", values[j].value);
PUT_START_TAG (pfx + 2, "enum-values");
j = 0;
while (values[j].value_name) {
PUT_STRING (pfx + 3, "<value value=\"%d\" nick=\"%s\"/>",
values[j].value, values[j].value_nick);
j++;
}
PUT_END_TAG (pfx + 2, "enum-values");
} else if (G_IS_PARAM_SPEC_FLAGS (param)) {
GFlagsValue *values;
guint j = 0;
gint flags_value;
values = G_FLAGS_CLASS (g_type_class_ref (param->value_type))->values;
flags_value = g_value_get_flags (&value);
PUT_STRING (pfx + 2, "<default>%d</default>", flags_value);
PUT_START_TAG (pfx + 2, "flags");
j = 0;
while (values[j].value_name) {
PUT_STRING (pfx + 3, "<flag value=\"%d\" nick=\"%s\"/>",
values[j].value, values[j].value_nick);
j++;
}
PUT_END_TAG (pfx + 2, "flags");
} else if (G_IS_PARAM_SPEC_OBJECT (param)) {
PUT_ESCAPED (pfx + 2, "object-type", g_type_name (param->value_type));
}
break;
}
PUT_END_TAG (pfx + 1, "element-property");
}
PUT_END_TAG (pfx, "element-properties");
}
static void
print_element_dynparamaters (GstElement * element, gint pfx)
{
GstDParamManager *dpman;
GParamSpec **specs;
gint x;
PUT_START_TAG (pfx, "dyn-params");
if ((dpman = gst_dpman_get_manager (element))) {
specs = gst_dpman_list_dparam_specs (dpman);
for (x = 0; specs[x] != NULL; x++) {
PUT_START_TAG (pfx + 1, "dyn-param");
PUT_ESCAPED (pfx + 2, "name", g_param_spec_get_name (specs[x]));
PUT_ESCAPED (pfx + 2, "type", g_type_name (specs[x]->value_type));
PUT_ESCAPED (pfx + 2, "nick", g_param_spec_get_nick (specs[x]));
PUT_ESCAPED (pfx + 2, "blurb", g_param_spec_get_blurb (specs[x]));
switch (G_PARAM_SPEC_VALUE_TYPE (specs[x])) {
case G_TYPE_INT64:
PUT_STRING (pfx + 2,
"<range min=\"%" G_GINT64_FORMAT "\" max=\"%" G_GINT64_FORMAT
"\"/>", ((GParamSpecInt64 *) specs[x])->minimum,
((GParamSpecInt64 *) specs[x])->maximum);
PUT_STRING (pfx + 2, "<default>%" G_GINT64_FORMAT "</default>",
((GParamSpecInt64 *) specs[x])->default_value);
break;
case G_TYPE_INT:
PUT_STRING (pfx + 2, "<range min=\"%d\" max=\"%d\"/>",
((GParamSpecInt *) specs[x])->minimum,
((GParamSpecInt *) specs[x])->maximum);
PUT_STRING (pfx + 2, "<default>%d</default>",
((GParamSpecInt *) specs[x])->default_value);
break;
case G_TYPE_FLOAT:
PUT_STRING (pfx + 2, "<range min=\"%f\" max=\"%f\"/>",
((GParamSpecFloat *) specs[x])->minimum,
((GParamSpecFloat *) specs[x])->maximum);
PUT_STRING (pfx + 2, "<default>%f</default>",
((GParamSpecFloat *) specs[x])->default_value);
break;
default:
break;
}
PUT_END_TAG (pfx + 1, "dyn-param");
}
g_free (specs);
}
PUT_END_TAG (pfx, "dyn-params");
}
static void
print_element_signals (GstElement * element, gint pfx)
{
guint *signals;
guint nsignals;
gint i, k;
GSignalQuery *query;
signals = g_signal_list_ids (G_OBJECT_TYPE (element), &nsignals);
for (k = 0; k < 2; k++) {
gint counted = 0;
if (k == 0)
PUT_START_TAG (pfx, "element-signals");
else
PUT_START_TAG (pfx, "element-actions");
for (i = 0; i < nsignals; i++) {
gint n_params;
GType return_type;
const GType *param_types;
gint j;
query = g_new0 (GSignalQuery, 1);
g_signal_query (signals[i], query);
if ((k == 0 && !(query->signal_flags & G_SIGNAL_ACTION)) ||
(k == 1 && (query->signal_flags & G_SIGNAL_ACTION))) {
n_params = query->n_params;
return_type = query->return_type;
param_types = query->param_types;
PUT_START_TAG (pfx + 1, "signal");
PUT_ESCAPED (pfx + 2, "name", query->signal_name);
PUT_ESCAPED (pfx + 2, "return-type", g_type_name (return_type));
PUT_ESCAPED (pfx + 2, "object-type",
g_type_name (G_OBJECT_TYPE (element)));
PUT_START_TAG (pfx + 2, "params");
for (j = 0; j < n_params; j++) {
PUT_ESCAPED (pfx + 3, "type", g_type_name (param_types[j]));
}
PUT_END_TAG (pfx + 2, "params");
PUT_END_TAG (pfx + 1, "signal");
counted++;
}
g_free (query);
}
if (k == 0)
PUT_END_TAG (pfx, "element-signals");
else
PUT_END_TAG (pfx, "element-actions");
}
}
static gint
print_element_info (GstElementFactory * factory)
{
GstElement *element;
GstObjectClass *gstobject_class;
GstElementClass *gstelement_class;
GList *pads;
GstPad *pad;
GstRealPad *realpad;
GstPadTemplate *padtemplate;
gint maxlevel = 0;
element = gst_element_factory_create (factory, "element");
if (!element) {
g_print ("couldn't construct element for some reason\n");
return -1;
}
PUT_START_TAG (0, "element");
PUT_ESCAPED (1, "name", GST_PLUGIN_FEATURE_NAME (factory));
gstobject_class = GST_OBJECT_CLASS (G_OBJECT_GET_CLASS (element));
gstelement_class = GST_ELEMENT_CLASS (G_OBJECT_GET_CLASS (element));
PUT_START_TAG (1, "details");
PUT_ESCAPED (2, "long-name", factory->details.longname);
PUT_ESCAPED (2, "class", factory->details.klass);
PUT_ESCAPED (2, "description", factory->details.description);
PUT_ESCAPED (2, "authors", factory->details.author);
PUT_END_TAG (1, "details");
output_hierarchy (G_OBJECT_TYPE (element), 0, &maxlevel);
PUT_START_TAG (1, "pad-templates");
if (factory->numpadtemplates) {
pads = factory->padtemplates;
while (pads) {
padtemplate = (GstPadTemplate *) (pads->data);
pads = g_list_next (pads);
PUT_START_TAG (2, "pad-template");
PUT_ESCAPED (3, "name", padtemplate->name_template);
if (padtemplate->direction == GST_PAD_SRC)
PUT_ESCAPED (3, "direction", "src");
else if (padtemplate->direction == GST_PAD_SINK)
PUT_ESCAPED (3, "direction", "sink");
else
PUT_ESCAPED (3, "direction", "unknown");
if (padtemplate->presence == GST_PAD_ALWAYS)
PUT_ESCAPED (3, "presence", "always");
else if (padtemplate->presence == GST_PAD_SOMETIMES)
PUT_ESCAPED (3, "presence", "sometimes");
else if (padtemplate->presence == GST_PAD_REQUEST) {
PUT_ESCAPED (3, "presence", "request");
PUT_ESCAPED (3, "request-function",
GST_DEBUG_FUNCPTR_NAME (gstelement_class->request_new_pad));
} else
PUT_ESCAPED (3, "presence", "unknown");
if (padtemplate->caps) {
print_caps (padtemplate->caps, 3);
}
PUT_END_TAG (2, "pad-template");
}
}
PUT_END_TAG (1, "pad-templates");
PUT_START_TAG (1, "element-flags");
PUT_END_TAG (1, "element-flags");
if (GST_IS_BIN (element)) {
PUT_START_TAG (1, "bin-flags");
PUT_END_TAG (1, "bin-flags");
}
PUT_START_TAG (1, "element-implementation");
PUT_STRING (2, "<state-change function=\"%s\"/>",
GST_DEBUG_FUNCPTR_NAME (gstelement_class->change_state));
#ifndef GST_DISABLE_LOADSAVE
PUT_STRING (2, "<save function=\"%s\"/>",
GST_DEBUG_FUNCPTR_NAME (gstobject_class->save_thyself));
PUT_STRING (2, "<load function=\"%s\"/>",
GST_DEBUG_FUNCPTR_NAME (gstobject_class->restore_thyself));
#endif
PUT_END_TAG (1, "element-implementation");
PUT_START_TAG (1, "clocking-interaction");
if (gst_element_requires_clock (element)) {
PUT_STRING (2, "<requires-clock/>");
}
if (gst_element_provides_clock (element)) {
GstClock *clock;
clock = gst_element_get_clock (element);
if (clock)
PUT_STRING (2, "<provides-clock name=\"%s\"/>", GST_OBJECT_NAME (clock));
}
PUT_END_TAG (1, "clocking-interaction");
#ifndef GST_DISABLE_INDEX
if (gst_element_is_indexable (element)) {
PUT_STRING (1, "<indexing-capabilities/>");
}
#endif
PUT_START_TAG (1, "pads");
if (element->numpads) {
const GList *pads;
pads = element->pads;
while (pads) {
pad = GST_PAD (pads->data);
pads = g_list_next (pads);
realpad = GST_PAD_REALIZE (pad);
PUT_START_TAG (2, "pad");
PUT_ESCAPED (3, "name", gst_pad_get_name (pad));
if (gst_pad_get_direction (pad) == GST_PAD_SRC)
PUT_ESCAPED (3, "direction", "src");
else if (gst_pad_get_direction (pad) == GST_PAD_SINK)
PUT_ESCAPED (3, "direction", "sink");
else
PUT_ESCAPED (3, "direction", "unknown");
if (GST_IS_GHOST_PAD (pad))
PUT_ESCAPED (3, "ghost", gst_pad_get_name (pad));
if (pad->padtemplate)
PUT_ESCAPED (3, "template", pad->padtemplate->name_template);
PUT_START_TAG (3, "implementation");
if (realpad->chainfunc)
PUT_STRING (4, "<chain-based function=\"%s\"/>",
GST_DEBUG_FUNCPTR_NAME (realpad->chainfunc));
if (realpad->getrangefunc)
PUT_STRING (4, "<get-range-based function=\"%s\"/>",
GST_DEBUG_FUNCPTR_NAME (realpad->getrangefunc));
if (realpad->formatsfunc != gst_pad_get_formats_default) {
PUT_STRING (4, "<formats-function function=\"%s\">",
GST_DEBUG_FUNCPTR_NAME (realpad->formatsfunc));
print_formats (gst_pad_get_formats (GST_PAD (realpad)), 5);
PUT_END_TAG (4, "formats-function");
}
if (realpad->convertfunc != gst_pad_convert_default)
PUT_STRING (4, "<convert-function function=\"%s\"/>",
GST_DEBUG_FUNCPTR_NAME (realpad->convertfunc));
if (realpad->eventfunc != gst_pad_event_default)
PUT_STRING (4, "<event-function function=\"%s\"/>",
GST_DEBUG_FUNCPTR_NAME (realpad->eventfunc));
if (realpad->eventmaskfunc != gst_pad_get_event_masks_default) {
PUT_STRING (4, "<event-mask-func function=\"%s\">",
GST_DEBUG_FUNCPTR_NAME (realpad->eventmaskfunc));
print_event_masks (gst_pad_get_event_masks (GST_PAD (realpad)), 5);
PUT_END_TAG (4, "event-mask-func");
}
if (realpad->queryfunc != gst_pad_query_default)
PUT_STRING (4, "<query-function function=\"%s\"/>",
GST_DEBUG_FUNCPTR_NAME (realpad->queryfunc));
if (realpad->querytypefunc != gst_pad_get_query_types_default) {
PUT_STRING (4, "<query-type-func function=\"%s\">",
GST_DEBUG_FUNCPTR_NAME (realpad->querytypefunc));
print_query_types (gst_pad_get_query_types (GST_PAD (realpad)), 5);
PUT_END_TAG (4, "query-type-func");
}
if (realpad->intlinkfunc != gst_pad_get_internal_links_default)
PUT_STRING (4, "<intlink-function function=\"%s\"/>",
GST_DEBUG_FUNCPTR_NAME (realpad->intlinkfunc));
if (realpad->bufferallocfunc)
PUT_STRING (4, "<bufferalloc-function function=\"%s\"/>",
GST_DEBUG_FUNCPTR_NAME (realpad->bufferallocfunc));
PUT_END_TAG (3, "implementation");
if (realpad->caps) {
print_caps (realpad->caps, 3);
}
PUT_END_TAG (2, "pad");
}
}
PUT_END_TAG (1, "pads");
print_element_properties (element, 1);
print_element_dynparamaters (element, 1);
print_element_signals (element, 1);
/* for compound elements */
/* FIXME: gst_bin_get_list does not exist anymore
if (GST_IS_BIN (element)) {
GList *children;
GstElement *child;
PUT_START_TAG (1, "children");
children = (GList *) gst_bin_get_list (GST_BIN (element));
while (children) {
child = GST_ELEMENT (children->data);
children = g_list_next (children);
PUT_ESCAPED (2, "child", GST_ELEMENT_NAME (child));
}
PUT_END_TAG (1, "children");
}
*/
PUT_END_TAG (0, "element");
return 0;
}
static void
print_element_list (void)
{
GList *plugins;
plugins = gst_registry_pool_plugin_list ();
while (plugins) {
GList *features;
GstPlugin *plugin;
plugin = (GstPlugin *) (plugins->data);
plugins = g_list_next (plugins);
features = gst_plugin_get_feature_list (plugin);
while (features) {
GstPluginFeature *feature;
feature = GST_PLUGIN_FEATURE (features->data);
if (GST_IS_ELEMENT_FACTORY (feature)) {
GstElementFactory *factory;
factory = GST_ELEMENT_FACTORY (feature);
g_print ("%s: %s: %s\n", plugin->desc.name,
GST_PLUGIN_FEATURE_NAME (factory), factory->details.longname);
}
#ifndef GST_DISABLE_INDEX
else if (GST_IS_INDEX_FACTORY (feature)) {
GstIndexFactory *factory;
factory = GST_INDEX_FACTORY (feature);
g_print ("%s: %s: %s\n", plugin->desc.name,
GST_PLUGIN_FEATURE_NAME (factory), factory->longdesc);
}
#endif
else if (GST_IS_TYPE_FIND_FACTORY (feature)) {
GstTypeFindFactory *factory;
factory = GST_TYPE_FIND_FACTORY (feature);
if (factory->extensions) {
guint i = 0;
g_print ("%s type: ", plugin->desc.name);
while (factory->extensions[i]) {
g_print ("%s%s", i > 0 ? ", " : "", factory->extensions[i]);
i++;
}
} else
g_print ("%s type: N/A\n", plugin->desc.name);
} else if (GST_IS_SCHEDULER_FACTORY (feature)) {
GstSchedulerFactory *factory;
factory = GST_SCHEDULER_FACTORY (feature);
g_print ("%s: %s: %s\n", plugin->desc.name,
GST_PLUGIN_FEATURE_NAME (factory), factory->longdesc);
} else {
g_print ("%s: %s (%s)\n", plugin->desc.name,
GST_PLUGIN_FEATURE_NAME (feature),
g_type_name (G_OBJECT_TYPE (feature)));
}
features = g_list_next (features);
}
}
}
static void
print_plugin_info (GstPlugin * plugin)
{
GList *features;
gint num_features = 0;
gint num_elements = 0;
gint num_autoplug = 0;
gint num_types = 0;
gint num_schedulers = 0;
gint num_indexes = 0;
gint num_other = 0;
g_print ("Plugin Details:\n");
g_print (" Name:\t\t%s\n", plugin->desc.name);
g_print (" Description:\t%s\n", plugin->desc.description);
g_print (" Filename:\t%s\n", plugin->filename);
g_print (" Version:\t%s\n", plugin->desc.version);
g_print (" License:\t%s\n", plugin->desc.license);
g_print (" Package:\t%s\n", plugin->desc.package);
g_print (" Origin URL:\t%s\n", plugin->desc.origin);
g_print ("\n");
features = gst_plugin_get_feature_list (plugin);
while (features) {
GstPluginFeature *feature;
feature = GST_PLUGIN_FEATURE (features->data);
if (GST_IS_ELEMENT_FACTORY (feature)) {
GstElementFactory *factory;
factory = GST_ELEMENT_FACTORY (feature);
g_print (" %s: %s\n", GST_OBJECT_NAME (factory),
factory->details.longname);
num_elements++;
}
#ifndef GST_DISABLE_INDEX
else if (GST_IS_INDEX_FACTORY (feature)) {
GstIndexFactory *factory;
factory = GST_INDEX_FACTORY (feature);
g_print (" %s: %s\n", GST_OBJECT_NAME (factory), factory->longdesc);
num_indexes++;
}
#endif
else if (GST_IS_TYPE_FIND_FACTORY (feature)) {
GstTypeFindFactory *factory;
factory = GST_TYPE_FIND_FACTORY (feature);
if (factory->extensions) {
guint i = 0;
g_print ("%s type: ", plugin->desc.name);
while (factory->extensions[i]) {
g_print ("%s%s", i > 0 ? ", " : "", factory->extensions[i]);
i++;
}
} else
g_print ("%s type: N/A\n", plugin->desc.name);
num_types++;
} else if (GST_IS_SCHEDULER_FACTORY (feature)) {
GstSchedulerFactory *factory;
factory = GST_SCHEDULER_FACTORY (feature);
g_print (" %s: %s\n", GST_OBJECT_NAME (factory), factory->longdesc);
num_schedulers++;
} else {
g_print (" %s (%s)\n", gst_object_get_name (GST_OBJECT (feature)),
g_type_name (G_OBJECT_TYPE (feature)));
num_other++;
}
num_features++;
features = g_list_next (features);
}
g_print ("\n %d features:\n", num_features);
if (num_elements > 0)
g_print (" +-- %d elements\n", num_elements);
if (num_autoplug > 0)
g_print (" +-- %d autopluggers\n", num_autoplug);
if (num_types > 0)
g_print (" +-- %d types\n", num_types);
if (num_schedulers > 0)
g_print (" +-- %d schedulers\n", num_schedulers);
if (num_indexes > 0)
g_print (" +-- %d indexes\n", num_indexes);
if (num_other > 0)
g_print (" +-- %d other objects\n", num_other);
g_print ("\n");
}
int
main (int argc, char *argv[])
{
GstElementFactory *factory;
GstPlugin *plugin;
gchar *so;
struct poptOption options[] = {
{"gst-inspect-plugin", 'p', POPT_ARG_STRING | POPT_ARGFLAG_STRIP, NULL, 0,
"Show plugin details", NULL},
{"gst-inspect-scheduler", 's', POPT_ARG_STRING | POPT_ARGFLAG_STRIP, NULL,
0,
"Show scheduler details", NULL},
POPT_TABLEEND
};
setlocale (LC_ALL, "");
gst_init_with_popt_table (&argc, &argv, options);
gst_control_init (&argc, &argv);
PUT_STRING (0, "<?xml version=\"1.0\"?>");
/* if no arguments, print out list of elements */
if (argc == 1) {
print_element_list ();
/* else we try to get a factory */
} else {
/* first check for help */
if (strstr (argv[1], "-help")) {
g_print ("Usage: %s\t\t\tList all registered elements\n", argv[0]);
g_print (" %s element-name\tShow element details\n", argv[0]);
g_print (" %s plugin-name[.so]\tShow information about plugin\n",
argv[0]);
return 0;
}
/* only search for a factory if there's not a '.so' */
if (!strstr (argv[1], ".so")) {
factory = gst_element_factory_find (argv[1]);
/* if there's a factory, print out the info */
if (factory)
return print_element_info (factory);
else {
GstPluginFeature *feature;
/* FIXME implement other pretty print function for these */
feature = gst_registry_pool_find_feature (argv[1],
GST_TYPE_SCHEDULER_FACTORY);
if (feature) {
g_print ("%s: a scheduler\n", argv[1]);
return 0;
}
#ifndef GST_DISABLE_INDEX
feature = gst_registry_pool_find_feature (argv[1],
GST_TYPE_INDEX_FACTORY);
if (feature) {
g_print ("%s: an index\n", argv[1]);
return 0;
}
#endif
feature = gst_registry_pool_find_feature (argv[1],
GST_TYPE_TYPE_FIND_FACTORY);
if (feature) {
g_print ("%s: a type find function\n", argv[1]);
return 0;
}
#ifndef GST_DISABLE_URI
feature = gst_registry_pool_find_feature (argv[1],
GST_TYPE_URI_HANDLER);
if (feature) {
g_print ("%s: an uri handler\n", argv[1]);
return 0;
}
#endif
}
} else {
/* strip the .so */
so = strstr (argv[1], ".so");
so[0] = '\0';
}
/* otherwise assume it's a plugin */
plugin = gst_registry_pool_find_plugin (argv[1]);
/* if there is such a plugin, print out info */
if (plugin) {
print_plugin_info (plugin);
} else {
g_print ("no such element or plugin '%s'\n", argv[1]);
return -1;
}
}
return 0;
}
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