mirrored from https://gitlab.freedesktop.org/gstreamer/gstreamer.git
/
gst-inspect.c
2265 lines (1928 loc) · 69.6 KB
/
gst-inspect.c
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/* GStreamer
* Copyright (C) 1999,2000 Erik Walthinsen <omega@cse.ogi.edu>
* 2000 Wim Taymans <wtay@chello.be>
* 2004 Thomas Vander Stichele <thomas@apestaart.org>
* 2018 Collabora Ltd.
*
* gst-inspect.c: tool to inspect the GStreamer registry
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
/* FIXME 2.0: suppress warnings for deprecated API such as GValueArray
* with newer GLib versions (>= 2.31.0) */
#define GLIB_DISABLE_DEPRECATION_WARNINGS
#include "tools.h"
#include <gst/gst_private.h> /* for internal Factories */
#include <string.h>
#include <locale.h>
#include <glib/gprintf.h>
#ifdef G_OS_UNIX
# include <unistd.h>
# include <sys/wait.h>
#endif
/* "R" : support color
* "X" : do not clear the screen when leaving the pager
* "F" : skip the pager if content fit into the screen
*
* Don't forget to update the manpage gst-inspect-1.0.1
* after changing this default.
*/
#define DEFAULT_LESS_OPTS "RXF"
gboolean colored_output = TRUE;
typedef enum
{
SORT_TYPE_NONE = 0,
SORT_TYPE_NAME, /* default */
} SortType;
SortType sort_output = SORT_TYPE_NAME;
#ifdef G_OS_UNIX
static const gchar DEFAULT_PAGER[] = "less";
GPid child_pid = -1;
#endif
GMainLoop *loop = NULL;
/* Console colors */
/* Escape values for colors */
#define BLUE "\033[34m"
#define BRBLUE "\033[94m"
#define BRCYAN "\033[96m"
#define BRMAGENTA "\033[95m"
#define BRYELLOW "\033[33m"
#define CYAN "\033[36m"
#define GREEN "\033[32m"
#define MAGENTA "\033[35m"
#define YELLOW "\033[33m"
/* General colors */
#define RESET_COLOR (colored_output? "\033[0m": "")
#define HEADING_COLOR (colored_output? BRYELLOW : "")
#define PROP_NAME_COLOR (colored_output? BRBLUE : "")
#define PROP_VALUE_COLOR (colored_output? RESET_COLOR: "")
#define PROP_ATTR_NAME_COLOR (colored_output? BRYELLOW : "")
#define PROP_ATTR_VALUE_COLOR (colored_output? CYAN: "")
/* FIXME: find a good color that works on both dark & light bg. */
#define DESC_COLOR (colored_output? RESET_COLOR: "")
/* Datatype-related colors */
#define DATATYPE_COLOR (colored_output? GREEN : "")
#define CHILD_LINK_COLOR (colored_output? BRMAGENTA : "")
/* Caps colors */
#define FIELD_NAME_COLOR (colored_output? CYAN: "")
#define FIELD_VALUE_COLOR (colored_output? BRBLUE : "")
#define CAPS_TYPE_COLOR (colored_output? YELLOW : "")
#define STRUCT_NAME_COLOR (colored_output? YELLOW : "")
#define CAPS_FEATURE_COLOR (colored_output? GREEN : "")
/* Plugin listing colors */
#define PLUGIN_NAME_COLOR (colored_output? BRBLUE : "")
#define ELEMENT_NAME_COLOR (colored_output? GREEN : "")
/* FIXME: find a good color that works on both dark & light bg. */
#define ELEMENT_DETAIL_COLOR (colored_output? RESET_COLOR : "")
#define PLUGIN_FEATURE_COLOR (colored_output? BRBLUE: "")
/* Feature listing colors */
#define FEATURE_NAME_COLOR (colored_output? GREEN : "")
#define FEATURE_DIR_COLOR (colored_output? BRMAGENTA : "")
#define FEATURE_RANK_COLOR (colored_output? CYAN : "")
#define FEATURE_PROTO_COLOR (colored_output? BRYELLOW : "")
static char *_name = NULL;
static int indent = 0;
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);
#define push_indent() push_indent_n(1)
#define pop_indent() push_indent_n(-1)
#define pop_indent_n(n) push_indent_n(-n)
static void
push_indent_n (int n)
{
g_assert (n > 0 || indent > 0);
indent += n;
}
/* *INDENT-OFF* */
G_GNUC_PRINTF (1, 2)
/* *INDENT-ON* */
static void
n_print (const char *format, ...)
{
va_list args;
int i;
gchar *str;
if (_name)
g_print ("%s", _name);
for (i = 0; i < indent; ++i)
g_print (" ");
va_start (args, format);
str = gst_info_strdup_vprintf (format, args);
va_end (args);
if (!str)
return;
g_print ("%s", str);
g_free (str);
}
static gboolean
print_field (GQuark field, const GValue * value, gpointer pfx)
{
gchar *str = gst_value_serialize (value);
n_print ("%s %s%15s%s: %s%s%s\n",
(gchar *) pfx, FIELD_NAME_COLOR, g_quark_to_string (field), RESET_COLOR,
FIELD_VALUE_COLOR, str, RESET_COLOR);
g_free (str);
return TRUE;
}
static void
print_caps (const GstCaps * caps, const gchar * pfx)
{
guint i;
g_return_if_fail (caps != NULL);
if (gst_caps_is_any (caps)) {
n_print ("%s%sANY%s\n", CAPS_TYPE_COLOR, pfx, RESET_COLOR);
return;
}
if (gst_caps_is_empty (caps)) {
n_print ("%s%sEMPTY%s\n", CAPS_TYPE_COLOR, pfx, RESET_COLOR);
return;
}
for (i = 0; i < gst_caps_get_size (caps); i++) {
GstStructure *structure = gst_caps_get_structure (caps, i);
GstCapsFeatures *features = gst_caps_get_features (caps, i);
if (features && (gst_caps_features_is_any (features) ||
!gst_caps_features_is_equal (features,
GST_CAPS_FEATURES_MEMORY_SYSTEM_MEMORY))) {
gchar *features_string = gst_caps_features_to_string (features);
n_print ("%s%s%s%s(%s%s%s)\n", pfx, STRUCT_NAME_COLOR,
gst_structure_get_name (structure), RESET_COLOR,
CAPS_FEATURE_COLOR, features_string, RESET_COLOR);
g_free (features_string);
} else {
n_print ("%s%s%s%s\n", pfx, STRUCT_NAME_COLOR,
gst_structure_get_name (structure), RESET_COLOR);
}
gst_structure_foreach (structure, print_field, (gpointer) pfx);
}
}
static const char *
get_rank_name (char *s, gint rank)
{
static const int ranks[4] = {
GST_RANK_NONE, GST_RANK_MARGINAL, GST_RANK_SECONDARY, GST_RANK_PRIMARY
};
static const char *rank_names[4] = { "none", "marginal", "secondary",
"primary"
};
int i;
int best_i;
best_i = 0;
for (i = 0; i < 4; i++) {
if (rank == ranks[i])
return rank_names[i];
if (abs (rank - ranks[i]) < abs (rank - ranks[best_i])) {
best_i = i;
}
}
sprintf (s, "%s %c %d", rank_names[best_i],
(rank - ranks[best_i] > 0) ? '+' : '-', abs (ranks[best_i] - rank));
return s;
}
static void
print_factory_details_info (GstElementFactory * factory)
{
gchar **keys, **k;
GstRank rank;
char s[40];
rank = gst_plugin_feature_get_rank (GST_PLUGIN_FEATURE (factory));
n_print ("%sFactory Details:%s\n", HEADING_COLOR, RESET_COLOR);
push_indent ();
n_print ("%s%-25s%s%s (%d)%s\n", PROP_NAME_COLOR, "Rank", PROP_VALUE_COLOR,
get_rank_name (s, rank), rank, RESET_COLOR);
keys = gst_element_factory_get_metadata_keys (factory);
if (keys != NULL) {
for (k = keys; *k != NULL; ++k) {
const gchar *val;
gchar *key = *k;
val = gst_element_factory_get_metadata (factory, key);
key[0] = g_ascii_toupper (key[0]);
n_print ("%s%-25s%s%s%s\n", PROP_NAME_COLOR, key, PROP_VALUE_COLOR, val,
RESET_COLOR);
}
g_strfreev (keys);
}
pop_indent ();
n_print ("\n");
}
static void
print_hierarchy (GType type, gint level, gint * maxlevel)
{
GType parent;
gint i;
parent = g_type_parent (type);
*maxlevel = *maxlevel + 1;
level++;
if (parent)
print_hierarchy (parent, level, maxlevel);
if (_name)
g_print ("%s%s%s", DATATYPE_COLOR, _name, RESET_COLOR);
for (i = 1; i < *maxlevel - level; i++)
g_print (" ");
if (*maxlevel - level)
g_print (" %s+----%s", CHILD_LINK_COLOR, RESET_COLOR);
g_print ("%s%s%s\n", DATATYPE_COLOR, g_type_name (type), RESET_COLOR);
if (level == 1)
n_print ("\n");
}
static void
print_interfaces (GType type)
{
guint n_ifaces;
GType *iface, *ifaces = g_type_interfaces (type, &n_ifaces);
if (ifaces) {
if (n_ifaces) {
n_print (_("%sImplemented Interfaces%s:\n"), HEADING_COLOR, RESET_COLOR);
push_indent ();
iface = ifaces;
while (*iface) {
n_print ("%s%s%s\n", DATATYPE_COLOR, g_type_name (*iface), RESET_COLOR);
iface++;
}
pop_indent ();
n_print ("\n");
}
g_free (ifaces);
}
}
static gchar *
flags_to_string (GFlagsValue * vals, guint flags)
{
GString *s = NULL;
guint flags_left, i;
/* first look for an exact match and count the number of values */
for (i = 0; vals[i].value_name != NULL; ++i) {
if (vals[i].value == flags)
return g_strdup (vals[i].value_nick);
}
s = g_string_new (NULL);
/* we assume the values are sorted from lowest to highest value */
flags_left = flags;
while (i > 0) {
--i;
if (vals[i].value != 0 && (flags_left & vals[i].value) == vals[i].value) {
if (s->len > 0)
g_string_append_c (s, '+');
g_string_append (s, vals[i].value_nick);
flags_left -= vals[i].value;
if (flags_left == 0)
break;
}
}
if (s->len == 0)
g_string_assign (s, "(none)");
return g_string_free (s, FALSE);
}
#define KNOWN_PARAM_FLAGS \
(G_PARAM_CONSTRUCT | G_PARAM_CONSTRUCT_ONLY | \
G_PARAM_LAX_VALIDATION | G_PARAM_STATIC_STRINGS | \
G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_DEPRECATED | \
GST_PARAM_CONTROLLABLE | GST_PARAM_MUTABLE_PLAYING | \
GST_PARAM_MUTABLE_PAUSED | GST_PARAM_MUTABLE_READY | \
GST_PARAM_CONDITIONALLY_AVAILABLE)
static int
sort_gparamspecs (GParamSpec ** a, GParamSpec ** b)
{
return g_strcmp0 (g_param_spec_get_name (*a), g_param_spec_get_name (*b));
}
/* obj will be NULL if we're printing properties of pad template pads */
static void
print_object_properties_info (GObject * obj, GObjectClass * obj_class,
const gchar * desc)
{
GParamSpec **property_specs;
guint num_properties, i;
gboolean readable;
gboolean first_flag;
property_specs = g_object_class_list_properties (obj_class, &num_properties);
g_qsort_with_data (property_specs, num_properties, sizeof (gpointer),
(GCompareDataFunc) sort_gparamspecs, NULL);
n_print ("%s%s%s:\n", HEADING_COLOR, desc, RESET_COLOR);
push_indent ();
for (i = 0; i < num_properties; i++) {
GValue value = { 0, };
GParamSpec *param = property_specs[i];
GType owner_type = param->owner_type;
/* We're printing pad properties */
if (obj == NULL && (owner_type == G_TYPE_OBJECT
|| owner_type == GST_TYPE_OBJECT || owner_type == GST_TYPE_PAD))
continue;
g_value_init (&value, param->value_type);
n_print ("%s%-20s%s: %s%s%s\n", PROP_NAME_COLOR,
g_param_spec_get_name (param), RESET_COLOR, PROP_VALUE_COLOR,
g_param_spec_get_blurb (param), RESET_COLOR);
push_indent_n (11);
first_flag = TRUE;
n_print ("%sflags%s: ", PROP_ATTR_NAME_COLOR, RESET_COLOR);
readable = ! !(param->flags & G_PARAM_READABLE);
if (readable && obj != NULL) {
g_object_get_property (obj, param->name, &value);
} else {
/* if we can't read the property value, assume it's set to the default
* (which might not be entirely true for sub-classes, but that's an
* unlikely corner-case anyway) */
g_param_value_set_default (param, &value);
}
if (readable) {
g_print ("%s%s%s%s", (first_flag) ? "" : ", ", PROP_ATTR_VALUE_COLOR,
_("readable"), RESET_COLOR);
first_flag = FALSE;
}
if (param->flags & G_PARAM_WRITABLE) {
g_print ("%s%s%s%s", (first_flag) ? "" : ", ", PROP_ATTR_VALUE_COLOR,
_("writable"), RESET_COLOR);
first_flag = FALSE;
}
if (param->flags & G_PARAM_DEPRECATED) {
g_print ("%s%s%s%s", (first_flag) ? "" : ", ", PROP_ATTR_VALUE_COLOR,
_("deprecated"), RESET_COLOR);
first_flag = FALSE;
}
if (param->flags & GST_PARAM_CONTROLLABLE) {
g_print (", %s%s%s", PROP_ATTR_VALUE_COLOR, _("controllable"),
RESET_COLOR);
first_flag = FALSE;
}
if (param->flags & GST_PARAM_CONDITIONALLY_AVAILABLE) {
g_print (", %s%s%s", PROP_ATTR_VALUE_COLOR, _("conditionally available"),
RESET_COLOR);
first_flag = FALSE;
}
if (param->flags & GST_PARAM_MUTABLE_PLAYING) {
g_print (", %s%s%s", PROP_ATTR_VALUE_COLOR,
_("changeable in NULL, READY, PAUSED or PLAYING state"), RESET_COLOR);
} else if (param->flags & GST_PARAM_MUTABLE_PAUSED) {
g_print (", %s%s%s", PROP_ATTR_VALUE_COLOR,
_("changeable only in NULL, READY or PAUSED state"), RESET_COLOR);
} else if (param->flags & GST_PARAM_MUTABLE_READY) {
g_print (", %s%s%s", PROP_ATTR_VALUE_COLOR,
_("changeable only in NULL or READY state"), RESET_COLOR);
}
if (param->flags & ~KNOWN_PARAM_FLAGS) {
g_print ("%s0x%s%0x%s", (first_flag) ? "" : ", ", PROP_ATTR_VALUE_COLOR,
param->flags & ~KNOWN_PARAM_FLAGS, RESET_COLOR);
}
g_print ("\n");
switch (G_VALUE_TYPE (&value)) {
case G_TYPE_STRING:
{
const char *string_val = g_value_get_string (&value);
n_print ("%sString%s. ", DATATYPE_COLOR, RESET_COLOR);
if (string_val == NULL)
g_print ("%sDefault%s: %snull%s", PROP_ATTR_NAME_COLOR, RESET_COLOR,
PROP_ATTR_VALUE_COLOR, RESET_COLOR);
else
g_print ("%sDefault%s: %s\"%s\"%s", PROP_ATTR_NAME_COLOR, RESET_COLOR,
PROP_ATTR_VALUE_COLOR, string_val, RESET_COLOR);
break;
}
case G_TYPE_BOOLEAN:
{
gboolean bool_val = g_value_get_boolean (&value);
n_print ("%sBoolean%s. %sDefault%s: %s%s%s", DATATYPE_COLOR,
RESET_COLOR, PROP_ATTR_NAME_COLOR, RESET_COLOR,
PROP_ATTR_VALUE_COLOR, bool_val ? "true" : "false", RESET_COLOR);
break;
}
case G_TYPE_ULONG:
{
GParamSpecULong *pulong = G_PARAM_SPEC_ULONG (param);
n_print
("%sUnsigned Long%s. %sRange%s: %s%lu - %lu%s %sDefault%s: %s%lu%s ",
DATATYPE_COLOR, RESET_COLOR, PROP_ATTR_NAME_COLOR, RESET_COLOR,
PROP_ATTR_VALUE_COLOR, pulong->minimum, pulong->maximum,
RESET_COLOR, PROP_ATTR_NAME_COLOR, RESET_COLOR,
PROP_ATTR_VALUE_COLOR, g_value_get_ulong (&value), RESET_COLOR);
GST_ERROR ("%s: property '%s' of type ulong: consider changing to "
"uint/uint64", G_OBJECT_CLASS_NAME (obj_class),
g_param_spec_get_name (param));
break;
}
case G_TYPE_LONG:
{
GParamSpecLong *plong = G_PARAM_SPEC_LONG (param);
n_print ("%sLong%s. %sRange%s: %s%ld - %ld%s %sDefault%s: %s%ld%s ",
DATATYPE_COLOR, RESET_COLOR, PROP_ATTR_NAME_COLOR, RESET_COLOR,
PROP_ATTR_VALUE_COLOR, plong->minimum, plong->maximum, RESET_COLOR,
PROP_ATTR_NAME_COLOR, RESET_COLOR, PROP_ATTR_VALUE_COLOR,
g_value_get_long (&value), RESET_COLOR);
GST_ERROR ("%s: property '%s' of type long: consider changing to "
"int/int64", G_OBJECT_CLASS_NAME (obj_class),
g_param_spec_get_name (param));
break;
}
case G_TYPE_UINT:
{
GParamSpecUInt *puint = G_PARAM_SPEC_UINT (param);
n_print
("%sUnsigned Integer%s. %sRange%s: %s%u - %u%s %sDefault%s: %s%u%s ",
DATATYPE_COLOR, RESET_COLOR, PROP_ATTR_NAME_COLOR, RESET_COLOR,
PROP_ATTR_VALUE_COLOR, puint->minimum, puint->maximum, RESET_COLOR,
PROP_ATTR_NAME_COLOR, RESET_COLOR, PROP_ATTR_VALUE_COLOR,
g_value_get_uint (&value), RESET_COLOR);
break;
}
case G_TYPE_INT:
{
GParamSpecInt *pint = G_PARAM_SPEC_INT (param);
n_print ("%sInteger%s. %sRange%s: %s%d - %d%s %sDefault%s: %s%d%s ",
DATATYPE_COLOR, RESET_COLOR, PROP_ATTR_NAME_COLOR, RESET_COLOR,
PROP_ATTR_VALUE_COLOR, pint->minimum, pint->maximum, RESET_COLOR,
PROP_ATTR_NAME_COLOR, RESET_COLOR, PROP_ATTR_VALUE_COLOR,
g_value_get_int (&value), RESET_COLOR);
break;
}
case G_TYPE_UINT64:
{
GParamSpecUInt64 *puint64 = G_PARAM_SPEC_UINT64 (param);
n_print ("%sUnsigned Integer64%s. %sRange%s: %s%" G_GUINT64_FORMAT " - "
"%" G_GUINT64_FORMAT "%s %sDefault%s: %s%" G_GUINT64_FORMAT "%s ",
DATATYPE_COLOR, RESET_COLOR, PROP_ATTR_NAME_COLOR, RESET_COLOR,
PROP_ATTR_VALUE_COLOR, puint64->minimum, puint64->maximum,
RESET_COLOR, PROP_ATTR_NAME_COLOR, RESET_COLOR,
PROP_ATTR_VALUE_COLOR, g_value_get_uint64 (&value), RESET_COLOR);
break;
}
case G_TYPE_INT64:
{
GParamSpecInt64 *pint64 = G_PARAM_SPEC_INT64 (param);
n_print ("%sInteger64%s. %sRange%s: %s%" G_GINT64_FORMAT " - %"
G_GINT64_FORMAT "%s %sDefault%s: %s%" G_GINT64_FORMAT "%s ",
DATATYPE_COLOR, RESET_COLOR, PROP_ATTR_NAME_COLOR, RESET_COLOR,
PROP_ATTR_VALUE_COLOR, pint64->minimum, pint64->maximum,
RESET_COLOR, PROP_ATTR_NAME_COLOR, RESET_COLOR,
PROP_ATTR_VALUE_COLOR, g_value_get_int64 (&value), RESET_COLOR);
break;
}
case G_TYPE_FLOAT:
{
GParamSpecFloat *pfloat = G_PARAM_SPEC_FLOAT (param);
n_print ("%sFloat%s. %sRange%s: %s%15.7g - %15.7g%s "
"%sDefault%s: %s%15.7g%s ", DATATYPE_COLOR, RESET_COLOR,
PROP_ATTR_NAME_COLOR, RESET_COLOR, PROP_ATTR_VALUE_COLOR,
pfloat->minimum, pfloat->maximum, RESET_COLOR, PROP_ATTR_NAME_COLOR,
RESET_COLOR, PROP_ATTR_VALUE_COLOR, g_value_get_float (&value),
RESET_COLOR);
break;
}
case G_TYPE_DOUBLE:
{
GParamSpecDouble *pdouble = G_PARAM_SPEC_DOUBLE (param);
n_print ("%sDouble%s. %sRange%s: %s%15.7g - %15.7g%s "
"%sDefault%s: %s%15.7g%s ", DATATYPE_COLOR, RESET_COLOR,
PROP_ATTR_NAME_COLOR, RESET_COLOR, PROP_ATTR_VALUE_COLOR,
pdouble->minimum, pdouble->maximum, RESET_COLOR,
PROP_ATTR_NAME_COLOR, RESET_COLOR, PROP_ATTR_VALUE_COLOR,
g_value_get_double (&value), RESET_COLOR);
break;
}
case G_TYPE_CHAR:
case G_TYPE_UCHAR:
GST_ERROR ("%s: property '%s' of type char: consider changing to "
"int/string", G_OBJECT_CLASS_NAME (obj_class),
g_param_spec_get_name (param));
/* fall through */
default:
if (param->value_type == GST_TYPE_CAPS) {
const GstCaps *caps = gst_value_get_caps (&value);
if (!caps)
n_print ("%sCaps%s (NULL)", DATATYPE_COLOR, RESET_COLOR);
else {
print_caps (caps, " ");
}
} else if (G_IS_PARAM_SPEC_ENUM (param)) {
GEnumValue *values;
guint j = 0;
gint enum_value;
const gchar *value_nick = "";
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)
value_nick = values[j].value_nick;
j++;
}
n_print ("%sEnum \"%s\"%s %sDefault%s: %s%d, \"%s\"%s",
DATATYPE_COLOR, g_type_name (G_VALUE_TYPE (&value)), RESET_COLOR,
PROP_ATTR_NAME_COLOR, RESET_COLOR, PROP_ATTR_VALUE_COLOR,
enum_value, value_nick, RESET_COLOR);
j = 0;
while (values[j].value_name) {
g_print ("\n");
n_print (" %s(%d)%s: %s%-16s%s - %s%s%s",
PROP_ATTR_NAME_COLOR, values[j].value, RESET_COLOR,
PROP_ATTR_VALUE_COLOR, values[j].value_nick, RESET_COLOR,
DESC_COLOR, values[j].value_name, RESET_COLOR);
j++;
}
/* g_type_class_unref (ec); */
} else if (G_IS_PARAM_SPEC_FLAGS (param)) {
GParamSpecFlags *pflags = G_PARAM_SPEC_FLAGS (param);
GFlagsValue *vals;
gchar *cur;
vals = pflags->flags_class->values;
cur = flags_to_string (vals, g_value_get_flags (&value));
n_print ("%sFlags \"%s\"%s %sDefault%s: %s0x%08x, \"%s\"%s",
DATATYPE_COLOR, g_type_name (G_VALUE_TYPE (&value)), RESET_COLOR,
PROP_ATTR_NAME_COLOR, RESET_COLOR, PROP_ATTR_VALUE_COLOR,
g_value_get_flags (&value), cur, RESET_COLOR);
while (vals[0].value_name) {
g_print ("\n");
n_print (" %s(0x%08x)%s: %s%-16s%s - %s%s%s",
PROP_ATTR_NAME_COLOR, vals[0].value, RESET_COLOR,
PROP_ATTR_VALUE_COLOR, vals[0].value_nick, RESET_COLOR,
DESC_COLOR, vals[0].value_name, RESET_COLOR);
++vals;
}
g_free (cur);
} else if (G_IS_PARAM_SPEC_OBJECT (param)) {
n_print ("%sObject of type%s %s\"%s\"%s", PROP_VALUE_COLOR,
RESET_COLOR, DATATYPE_COLOR,
g_type_name (param->value_type), RESET_COLOR);
} else if (G_IS_PARAM_SPEC_BOXED (param)) {
n_print ("%sBoxed pointer of type%s %s\"%s\"%s", PROP_VALUE_COLOR,
RESET_COLOR, DATATYPE_COLOR,
g_type_name (param->value_type), RESET_COLOR);
if (param->value_type == GST_TYPE_STRUCTURE) {
const GstStructure *s = gst_value_get_structure (&value);
if (s) {
g_print ("\n");
gst_structure_foreach (s, print_field,
(gpointer) " ");
}
}
} else if (G_IS_PARAM_SPEC_POINTER (param)) {
if (param->value_type != G_TYPE_POINTER) {
n_print ("%sPointer of type%s %s\"%s\"%s.", PROP_VALUE_COLOR,
RESET_COLOR, DATATYPE_COLOR, g_type_name (param->value_type),
RESET_COLOR);
} else {
n_print ("%sPointer.%s", PROP_VALUE_COLOR, RESET_COLOR);
}
} else if (param->value_type == G_TYPE_VALUE_ARRAY) {
GParamSpecValueArray *pvarray = G_PARAM_SPEC_VALUE_ARRAY (param);
if (pvarray->element_spec) {
n_print ("%sArray of GValues of type%s %s\"%s\"%s",
PROP_VALUE_COLOR, RESET_COLOR, DATATYPE_COLOR,
g_type_name (pvarray->element_spec->value_type), RESET_COLOR);
} else {
n_print ("%sArray of GValues%s", PROP_VALUE_COLOR, RESET_COLOR);
}
} else if (GST_IS_PARAM_SPEC_FRACTION (param)) {
GstParamSpecFraction *pfraction = GST_PARAM_SPEC_FRACTION (param);
n_print ("%sFraction%s. %sRange%s: %s%d/%d - %d/%d%s "
"%sDefault%s: %s%d/%d%s ", DATATYPE_COLOR, RESET_COLOR,
PROP_ATTR_NAME_COLOR, RESET_COLOR, PROP_ATTR_VALUE_COLOR,
pfraction->min_num, pfraction->min_den, pfraction->max_num,
pfraction->max_den, RESET_COLOR, PROP_ATTR_NAME_COLOR,
RESET_COLOR, PROP_ATTR_VALUE_COLOR,
gst_value_get_fraction_numerator (&value),
gst_value_get_fraction_denominator (&value), RESET_COLOR);
} else if (param->value_type == GST_TYPE_ARRAY) {
GstParamSpecArray *parray = GST_PARAM_SPEC_ARRAY_LIST (param);
if (parray->element_spec) {
n_print ("%sGstValueArray of GValues of type%s %s\"%s\"%s",
PROP_VALUE_COLOR, RESET_COLOR, DATATYPE_COLOR,
g_type_name (parray->element_spec->value_type), RESET_COLOR);
} else {
n_print ("%sGstValueArray of GValues%s", PROP_VALUE_COLOR,
RESET_COLOR);
}
} else {
n_print ("%sUnknown type %ld%s %s\"%s\"%s", PROP_VALUE_COLOR,
(glong) param->value_type, RESET_COLOR, DATATYPE_COLOR,
g_type_name (param->value_type), RESET_COLOR);
}
break;
}
if (!readable)
g_print (" %sWrite only%s\n", PROP_VALUE_COLOR, RESET_COLOR);
else
g_print ("\n");
pop_indent_n (11);
g_value_reset (&value);
}
if (num_properties == 0)
n_print ("%snone%s\n", PROP_VALUE_COLOR, RESET_COLOR);
pop_indent ();
g_free (property_specs);
}
static void
print_element_properties_info (GstElement * element)
{
g_print ("\n");
print_object_properties_info (G_OBJECT (element),
G_OBJECT_GET_CLASS (element), "Element Properties");
}
static gint
gst_static_pad_compare_func (gconstpointer p1, gconstpointer p2)
{
GstStaticPadTemplate *pt1, *pt2;
pt1 = (GstStaticPadTemplate *) p1;
pt2 = (GstStaticPadTemplate *) p2;
return strcmp (pt1->name_template, pt2->name_template);
}
static void
print_pad_templates_info (GstElement * element, GstElementFactory * factory)
{
GList *pads;
GstStaticPadTemplate *padtemplate;
GstPadTemplate *tmpl;
n_print ("%sPad Templates%s:\n", HEADING_COLOR, RESET_COLOR);
push_indent ();
if (gst_element_factory_get_num_pad_templates (factory) == 0) {
n_print ("%snone%s\n", PROP_VALUE_COLOR, RESET_COLOR);
goto done;
}
pads = g_list_copy ((GList *)
gst_element_factory_get_static_pad_templates (factory));
pads = g_list_sort (pads, gst_static_pad_compare_func);
while (pads) {
padtemplate = (GstStaticPadTemplate *) (pads->data);
pads = g_list_next (pads);
if (padtemplate->direction == GST_PAD_SRC)
n_print ("%sSRC template%s: %s'%s'%s\n", PROP_NAME_COLOR, RESET_COLOR,
PROP_VALUE_COLOR, padtemplate->name_template, RESET_COLOR);
else if (padtemplate->direction == GST_PAD_SINK)
n_print ("%sSINK template%s: %s'%s'%s\n", PROP_NAME_COLOR, RESET_COLOR,
PROP_VALUE_COLOR, padtemplate->name_template, RESET_COLOR);
else
n_print ("%sUNKNOWN template%s: %s'%s'%s\n", PROP_NAME_COLOR, RESET_COLOR,
PROP_VALUE_COLOR, padtemplate->name_template, RESET_COLOR);
push_indent ();
if (padtemplate->presence == GST_PAD_ALWAYS)
n_print ("%sAvailability%s: %sAlways%s\n", PROP_NAME_COLOR, RESET_COLOR,
PROP_VALUE_COLOR, RESET_COLOR);
else if (padtemplate->presence == GST_PAD_SOMETIMES)
n_print ("%sAvailability%s: %sSometimes%s\n", PROP_NAME_COLOR,
RESET_COLOR, PROP_VALUE_COLOR, RESET_COLOR);
else if (padtemplate->presence == GST_PAD_REQUEST) {
n_print ("%sAvailability%s: %sOn request%s\n", PROP_NAME_COLOR,
RESET_COLOR, PROP_VALUE_COLOR, RESET_COLOR);
} else
n_print ("%sAvailability%s: %sUNKNOWN%s\n", PROP_NAME_COLOR, RESET_COLOR,
PROP_VALUE_COLOR, RESET_COLOR);
if (padtemplate->static_caps.string) {
GstCaps *caps = gst_static_caps_get (&padtemplate->static_caps);
n_print ("%sCapabilities%s:\n", PROP_NAME_COLOR, RESET_COLOR);
push_indent ();
print_caps (caps, ""); // FIXME
pop_indent ();
gst_caps_unref (caps);
}
tmpl = gst_element_class_get_pad_template (GST_ELEMENT_GET_CLASS (element),
padtemplate->name_template);
if (tmpl != NULL) {
GType pad_type = GST_PAD_TEMPLATE_GTYPE (tmpl);
if (pad_type != G_TYPE_NONE && pad_type != GST_TYPE_PAD) {
gpointer pad_klass;
pad_klass = g_type_class_ref (pad_type);
n_print ("%sType%s: %s%s%s\n", PROP_NAME_COLOR, RESET_COLOR,
DATATYPE_COLOR, g_type_name (pad_type), RESET_COLOR);
print_object_properties_info (NULL, pad_klass, "Pad Properties");
g_type_class_unref (pad_klass);
}
}
pop_indent ();
if (pads != NULL)
n_print ("\n");
}
g_list_free (pads);
done:
pop_indent ();
}
static void
print_clocking_info (GstElement * element)
{
gboolean requires_clock, provides_clock;
requires_clock =
GST_OBJECT_FLAG_IS_SET (element, GST_ELEMENT_FLAG_REQUIRE_CLOCK);
provides_clock =
GST_OBJECT_FLAG_IS_SET (element, GST_ELEMENT_FLAG_PROVIDE_CLOCK);
if (!requires_clock && !provides_clock) {
n_print ("\n");
n_print ("%sElement has no clocking capabilities.%s\n", DESC_COLOR,
RESET_COLOR);
return;
}
n_print ("\n");
n_print ("%sClocking Interaction%s:\n", PROP_NAME_COLOR, RESET_COLOR);
push_indent ();
if (requires_clock) {
n_print ("%selement requires a clock%s\n", PROP_VALUE_COLOR, RESET_COLOR);
}
if (provides_clock) {
GstClock *clock;
clock = gst_element_get_clock (element);
if (clock) {
n_print ("%selement provides a clock%s: %s%s%s\n", PROP_VALUE_COLOR,
RESET_COLOR, DATATYPE_COLOR, GST_OBJECT_NAME (clock), RESET_COLOR);
gst_object_unref (clock);
} else
n_print ("%selement is supposed to provide a clock but returned NULL%s\n",
PROP_VALUE_COLOR, RESET_COLOR);
}
pop_indent ();
}
static void
print_uri_handler_info (GstElement * element)
{
if (GST_IS_URI_HANDLER (element)) {
const gchar *const *uri_protocols;
const gchar *uri_type;
if (gst_uri_handler_get_uri_type (GST_URI_HANDLER (element)) == GST_URI_SRC)
uri_type = "source";
else if (gst_uri_handler_get_uri_type (GST_URI_HANDLER (element)) ==
GST_URI_SINK)
uri_type = "sink";
else
uri_type = "unknown";
uri_protocols = gst_uri_handler_get_protocols (GST_URI_HANDLER (element));
n_print ("\n");
n_print ("%sURI handling capabilities:%s\n", HEADING_COLOR, RESET_COLOR);
push_indent ();
n_print ("%sElement can act as %s.%s\n", DESC_COLOR, uri_type, RESET_COLOR);
if (uri_protocols && *uri_protocols) {
n_print ("%sSupported URI protocols%s:\n", DESC_COLOR, RESET_COLOR);
push_indent ();
for (; *uri_protocols != NULL; uri_protocols++)
n_print ("%s%s%s\n", PROP_ATTR_VALUE_COLOR, *uri_protocols,
RESET_COLOR);
pop_indent ();
} else {
n_print ("%sNo supported URI protocols%s\n", PROP_VALUE_COLOR,
RESET_COLOR);
}
pop_indent ();
} else {
n_print ("%sElement has no URI handling capabilities.%s\n", DESC_COLOR,
RESET_COLOR);
}
}
static void
print_pad_info (GstElement * element)
{
const GList *pads;
GstPad *pad;
n_print ("\n");
n_print ("%sPads:%s\n", HEADING_COLOR, RESET_COLOR);
push_indent ();
if (!element->numpads) {
n_print ("%snone%s\n", PROP_VALUE_COLOR, RESET_COLOR);
goto done;
}
pads = element->pads;
while (pads) {
gchar *name;
GstCaps *caps;
pad = GST_PAD (pads->data);
pads = g_list_next (pads);
name = gst_pad_get_name (pad);
if (gst_pad_get_direction (pad) == GST_PAD_SRC)
n_print ("%sSRC%s: %s'%s'%s\n", PROP_NAME_COLOR, RESET_COLOR,
PROP_VALUE_COLOR, name, RESET_COLOR);
else if (gst_pad_get_direction (pad) == GST_PAD_SINK)
n_print ("%sSINK%s: %s'%s'%s\n", PROP_NAME_COLOR, RESET_COLOR,
PROP_VALUE_COLOR, name, RESET_COLOR);
else
n_print ("%sUNKNOWN%s: %s'%s'%s\n", PROP_NAME_COLOR, RESET_COLOR,
PROP_VALUE_COLOR, name, RESET_COLOR);
g_free (name);
if (pad->padtemplate) {
push_indent ();
n_print ("%sPad Template%s: %s'%s'%s\n", PROP_NAME_COLOR, RESET_COLOR,
PROP_VALUE_COLOR, pad->padtemplate->name_template, RESET_COLOR);
pop_indent ();
}
caps = gst_pad_get_current_caps (pad);
if (caps) {
n_print ("%sCapabilities:%s\n", PROP_NAME_COLOR, RESET_COLOR);
push_indent ();
print_caps (caps, ""); // FIXME
pop_indent ();
gst_caps_unref (caps);
}
}
done:
pop_indent ();
}
static gboolean
has_sometimes_template (GstElement * element)
{
GstElementClass *klass = GST_ELEMENT_GET_CLASS (element);
GList *l;
for (l = klass->padtemplates; l != NULL; l = l->next) {
if (GST_PAD_TEMPLATE (l->data)->presence == GST_PAD_SOMETIMES)
return TRUE;
}
return FALSE;
}
static gboolean
gtype_needs_ptr_marker (GType type)
{
if (type == G_TYPE_POINTER)
return FALSE;