| /* GStreamer |
| * Copyright (C) 1999,2000 Erik Walthinsen <omega@cse.ogi.edu> |
| * 2000 Wim Taymans <wtay@chello.be> |
| * 2004 Thomas Vander Stichele <thomas@apestaart.org> |
| * |
| * 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 <string.h> |
| #include <locale.h> |
| #include <glib/gprintf.h> |
| |
| static char *_name = NULL; |
| |
| static int print_element_info (GstElementFactory * factory, |
| gboolean print_names); |
| |
| /* *INDENT-OFF* */ |
| G_GNUC_PRINTF (1, 2) |
| /* *INDENT-ON* */ |
| static void |
| n_print (const char *format, ...) |
| { |
| va_list args; |
| |
| if (_name) |
| g_print ("%s", _name); |
| |
| va_start (args, format); |
| g_vprintf (format, args); |
| va_end (args); |
| } |
| |
| static gboolean |
| print_field (GQuark field, const GValue * value, gpointer pfx) |
| { |
| gchar *str = gst_value_serialize (value); |
| |
| n_print ("%s %15s: %s\n", (gchar *) pfx, g_quark_to_string (field), str); |
| 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 ("%sANY\n", pfx); |
| return; |
| } |
| if (gst_caps_is_empty (caps)) { |
| n_print ("%sEMPTY\n", pfx); |
| 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)\n", pfx, gst_structure_get_name (structure), |
| features_string); |
| g_free (features_string); |
| } else { |
| n_print ("%s%s\n", pfx, gst_structure_get_name (structure)); |
| } |
| 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[20]; |
| |
| rank = gst_plugin_feature_get_rank (GST_PLUGIN_FEATURE (factory)); |
| n_print ("Factory Details:\n"); |
| n_print (" %-25s%s (%d)\n", "Rank", get_rank_name (s, rank), rank); |
| |
| 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 (" %-25s%s\n", key, val); |
| } |
| g_strfreev (keys); |
| } |
| 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", _name); |
| |
| for (i = 1; i < *maxlevel - level; i++) |
| g_print (" "); |
| if (*maxlevel - level) |
| g_print (" +----"); |
| |
| g_print ("%s\n", g_type_name (type)); |
| |
| 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) { |
| if (_name) |
| g_print ("%s", _name); |
| g_print (_("Implemented Interfaces:\n")); |
| iface = ifaces; |
| while (*iface) { |
| if (_name) |
| g_print ("%s", _name); |
| g_print (" %s\n", g_type_name (*iface)); |
| iface++; |
| } |
| if (_name) |
| g_print ("%s", _name); |
| g_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) |
| |
| static void |
| print_element_properties_info (GstElement * element) |
| { |
| GParamSpec **property_specs; |
| guint num_properties, i; |
| gboolean readable; |
| gboolean first_flag; |
| |
| property_specs = g_object_class_list_properties |
| (G_OBJECT_GET_CLASS (element), &num_properties); |
| n_print ("\n"); |
| n_print ("Element Properties:\n"); |
| |
| for (i = 0; i < num_properties; i++) { |
| GValue value = { 0, }; |
| GParamSpec *param = property_specs[i]; |
| |
| readable = FALSE; |
| |
| g_value_init (&value, param->value_type); |
| |
| n_print (" %-20s: %s\n", g_param_spec_get_name (param), |
| g_param_spec_get_blurb (param)); |
| |
| first_flag = TRUE; |
| n_print ("%-23.23s flags: ", ""); |
| if (param->flags & G_PARAM_READABLE) { |
| g_object_get_property (G_OBJECT (element), param->name, &value); |
| readable = TRUE; |
| g_print ("%s%s", (first_flag) ? "" : ", ", _("readable")); |
| first_flag = FALSE; |
| } 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 (param->flags & G_PARAM_WRITABLE) { |
| g_print ("%s%s", (first_flag) ? "" : ", ", _("writable")); |
| first_flag = FALSE; |
| } |
| if (param->flags & G_PARAM_DEPRECATED) { |
| g_print ("%s%s", (first_flag) ? "" : ", ", _("deprecated")); |
| first_flag = FALSE; |
| } |
| if (param->flags & GST_PARAM_CONTROLLABLE) { |
| g_print (", %s", _("controllable")); |
| first_flag = FALSE; |
| } |
| if (param->flags & GST_PARAM_MUTABLE_PLAYING) { |
| g_print (", %s", _("changeable in NULL, READY, PAUSED or PLAYING state")); |
| } else if (param->flags & GST_PARAM_MUTABLE_PAUSED) { |
| g_print (", %s", _("changeable only in NULL, READY or PAUSED state")); |
| } else if (param->flags & GST_PARAM_MUTABLE_READY) { |
| g_print (", %s", _("changeable only in NULL or READY state")); |
| } |
| if (param->flags & ~KNOWN_PARAM_FLAGS) { |
| g_print ("%s0x%0x", (first_flag) ? "" : ", ", |
| param->flags & ~KNOWN_PARAM_FLAGS); |
| } |
| n_print ("\n"); |
| |
| switch (G_VALUE_TYPE (&value)) { |
| case G_TYPE_STRING: |
| { |
| const char *string_val = g_value_get_string (&value); |
| |
| n_print ("%-23.23s String. ", ""); |
| |
| if (string_val == NULL) |
| g_print ("Default: null"); |
| else |
| g_print ("Default: \"%s\"", string_val); |
| break; |
| } |
| case G_TYPE_BOOLEAN: |
| { |
| gboolean bool_val = g_value_get_boolean (&value); |
| |
| n_print ("%-23.23s Boolean. ", ""); |
| |
| g_print ("Default: %s", bool_val ? "true" : "false"); |
| break; |
| } |
| case G_TYPE_ULONG: |
| { |
| GParamSpecULong *pulong = G_PARAM_SPEC_ULONG (param); |
| |
| n_print ("%-23.23s Unsigned Long. ", ""); |
| g_print ("Range: %lu - %lu Default: %lu ", |
| pulong->minimum, pulong->maximum, g_value_get_ulong (&value)); |
| |
| GST_ERROR ("%s: property '%s' of type ulong: consider changing to " |
| "uint/uint64", GST_OBJECT_NAME (element), |
| g_param_spec_get_name (param)); |
| break; |
| } |
| case G_TYPE_LONG: |
| { |
| GParamSpecLong *plong = G_PARAM_SPEC_LONG (param); |
| |
| n_print ("%-23.23s Long. ", ""); |
| g_print ("Range: %ld - %ld Default: %ld ", |
| plong->minimum, plong->maximum, g_value_get_long (&value)); |
| |
| GST_ERROR ("%s: property '%s' of type long: consider changing to " |
| "int/int64", GST_OBJECT_NAME (element), |
| g_param_spec_get_name (param)); |
| break; |
| } |
| case G_TYPE_UINT: |
| { |
| GParamSpecUInt *puint = G_PARAM_SPEC_UINT (param); |
| |
| n_print ("%-23.23s Unsigned Integer. ", ""); |
| g_print ("Range: %u - %u Default: %u ", |
| puint->minimum, puint->maximum, g_value_get_uint (&value)); |
| break; |
| } |
| case G_TYPE_INT: |
| { |
| GParamSpecInt *pint = G_PARAM_SPEC_INT (param); |
| |
| n_print ("%-23.23s Integer. ", ""); |
| g_print ("Range: %d - %d Default: %d ", |
| pint->minimum, pint->maximum, g_value_get_int (&value)); |
| break; |
| } |
| case G_TYPE_UINT64: |
| { |
| GParamSpecUInt64 *puint64 = G_PARAM_SPEC_UINT64 (param); |
| |
| n_print ("%-23.23s Unsigned Integer64. ", ""); |
| g_print ("Range: %" G_GUINT64_FORMAT " - %" G_GUINT64_FORMAT |
| " Default: %" G_GUINT64_FORMAT " ", |
| puint64->minimum, puint64->maximum, g_value_get_uint64 (&value)); |
| break; |
| } |
| case G_TYPE_INT64: |
| { |
| GParamSpecInt64 *pint64 = G_PARAM_SPEC_INT64 (param); |
| |
| n_print ("%-23.23s Integer64. ", ""); |
| g_print ("Range: %" G_GINT64_FORMAT " - %" G_GINT64_FORMAT |
| " Default: %" G_GINT64_FORMAT " ", |
| pint64->minimum, pint64->maximum, g_value_get_int64 (&value)); |
| break; |
| } |
| case G_TYPE_FLOAT: |
| { |
| GParamSpecFloat *pfloat = G_PARAM_SPEC_FLOAT (param); |
| |
| n_print ("%-23.23s Float. ", ""); |
| g_print ("Range: %15.7g - %15.7g Default: %15.7g ", |
| pfloat->minimum, pfloat->maximum, g_value_get_float (&value)); |
| break; |
| } |
| case G_TYPE_DOUBLE: |
| { |
| GParamSpecDouble *pdouble = G_PARAM_SPEC_DOUBLE (param); |
| |
| n_print ("%-23.23s Double. ", ""); |
| g_print ("Range: %15.7g - %15.7g Default: %15.7g ", |
| pdouble->minimum, pdouble->maximum, g_value_get_double (&value)); |
| break; |
| } |
| case G_TYPE_CHAR: |
| case G_TYPE_UCHAR: |
| GST_ERROR ("%s: property '%s' of type char: consider changing to " |
| "int/string", GST_OBJECT_NAME (element), |
| 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 ("%-23.23s Caps (NULL)", ""); |
| 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 ("%-23.23s Enum \"%s\" Default: %d, \"%s\"", "", |
| g_type_name (G_VALUE_TYPE (&value)), enum_value, value_nick); |
| |
| j = 0; |
| while (values[j].value_name) { |
| g_print ("\n"); |
| if (_name) |
| g_print ("%s", _name); |
| g_print ("%-23.23s (%d): %-16s - %s", "", |
| values[j].value, values[j].value_nick, values[j].value_name); |
| 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 ("%-23.23s Flags \"%s\" Default: 0x%08x, \"%s\"", "", |
| g_type_name (G_VALUE_TYPE (&value)), |
| g_value_get_flags (&value), cur); |
| |
| while (vals[0].value_name) { |
| g_print ("\n"); |
| if (_name) |
| g_print ("%s", _name); |
| g_print ("%-23.23s (0x%08x): %-16s - %s", "", |
| vals[0].value, vals[0].value_nick, vals[0].value_name); |
| ++vals; |
| } |
| |
| g_free (cur); |
| } else if (G_IS_PARAM_SPEC_OBJECT (param)) { |
| n_print ("%-23.23s Object of type \"%s\"", "", |
| g_type_name (param->value_type)); |
| } else if (G_IS_PARAM_SPEC_BOXED (param)) { |
| n_print ("%-23.23s Boxed pointer of type \"%s\"", "", |
| g_type_name (param->value_type)); |
| if (param->value_type == GST_TYPE_STRUCTURE) { |
| const GstStructure *s = gst_value_get_structure (&value); |
| if (s) |
| gst_structure_foreach (s, print_field, |
| (gpointer) " "); |
| } |
| } else if (G_IS_PARAM_SPEC_POINTER (param)) { |
| if (param->value_type != G_TYPE_POINTER) { |
| n_print ("%-23.23s Pointer of type \"%s\".", "", |
| g_type_name (param->value_type)); |
| } else { |
| n_print ("%-23.23s Pointer.", ""); |
| } |
| } else if (param->value_type == G_TYPE_VALUE_ARRAY) { |
| GParamSpecValueArray *pvarray = G_PARAM_SPEC_VALUE_ARRAY (param); |
| |
| if (pvarray->element_spec) { |
| n_print ("%-23.23s Array of GValues of type \"%s\"", "", |
| g_type_name (pvarray->element_spec->value_type)); |
| } else { |
| n_print ("%-23.23s Array of GValues", ""); |
| } |
| } else if (GST_IS_PARAM_SPEC_FRACTION (param)) { |
| GstParamSpecFraction *pfraction = GST_PARAM_SPEC_FRACTION (param); |
| |
| n_print ("%-23.23s Fraction. ", ""); |
| |
| g_print ("Range: %d/%d - %d/%d Default: %d/%d ", |
| pfraction->min_num, pfraction->min_den, |
| pfraction->max_num, pfraction->max_den, |
| gst_value_get_fraction_numerator (&value), |
| gst_value_get_fraction_denominator (&value)); |
| } else { |
| n_print ("%-23.23s Unknown type %ld \"%s\"", "", |
| (glong) param->value_type, g_type_name (param->value_type)); |
| } |
| break; |
| } |
| if (!readable) |
| g_print (" Write only\n"); |
| else |
| g_print ("\n"); |
| |
| g_value_reset (&value); |
| } |
| if (num_properties == 0) |
| n_print (" none\n"); |
| |
| g_free (property_specs); |
| } |
| |
| static void |
| print_pad_templates_info (GstElement * element, GstElementFactory * factory) |
| { |
| GstElementClass *gstelement_class; |
| const GList *pads; |
| GstStaticPadTemplate *padtemplate; |
| |
| n_print ("Pad Templates:\n"); |
| if (gst_element_factory_get_num_pad_templates (factory) == 0) { |
| n_print (" none\n"); |
| return; |
| } |
| |
| gstelement_class = GST_ELEMENT_CLASS (G_OBJECT_GET_CLASS (element)); |
| |
| pads = gst_element_factory_get_static_pad_templates (factory); |
| while (pads) { |
| padtemplate = (GstStaticPadTemplate *) (pads->data); |
| pads = g_list_next (pads); |
| |
| if (padtemplate->direction == GST_PAD_SRC) |
| n_print (" SRC template: '%s'\n", padtemplate->name_template); |
| else if (padtemplate->direction == GST_PAD_SINK) |
| n_print (" SINK template: '%s'\n", padtemplate->name_template); |
| else |
| n_print (" UNKNOWN!!! template: '%s'\n", padtemplate->name_template); |
| |
| if (padtemplate->presence == GST_PAD_ALWAYS) |
| n_print (" Availability: Always\n"); |
| else if (padtemplate->presence == GST_PAD_SOMETIMES) |
| n_print (" Availability: Sometimes\n"); |
| else if (padtemplate->presence == GST_PAD_REQUEST) { |
| n_print (" Availability: On request\n"); |
| n_print (" Has request_new_pad() function: %s\n", |
| GST_DEBUG_FUNCPTR_NAME (gstelement_class->request_new_pad)); |
| } else |
| n_print (" Availability: UNKNOWN!!!\n"); |
| |
| if (padtemplate->static_caps.string) { |
| n_print (" Capabilities:\n"); |
| print_caps (gst_static_caps_get (&padtemplate->static_caps), " "); |
| } |
| |
| n_print ("\n"); |
| } |
| } |
| |
| static void |
| print_element_flag_info (GstElement * element) |
| { |
| gboolean have_flags = FALSE; |
| |
| n_print ("\n"); |
| n_print ("Element Flags:\n"); |
| |
| if (!have_flags) |
| n_print (" no flags set\n"); |
| |
| if (GST_IS_BIN (element)) { |
| n_print ("\n"); |
| n_print ("Bin Flags:\n"); |
| if (!have_flags) |
| n_print (" no flags set\n"); |
| } |
| } |
| |
| static void |
| print_implementation_info (GstElement * element) |
| { |
| GstElementClass *gstelement_class; |
| |
| gstelement_class = GST_ELEMENT_CLASS (G_OBJECT_GET_CLASS (element)); |
| |
| n_print ("\n"); |
| n_print ("Element Implementation:\n"); |
| |
| n_print (" Has change_state() function: %s\n", |
| GST_DEBUG_FUNCPTR_NAME (gstelement_class->change_state)); |
| } |
| |
| 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 ("Element has no clocking capabilities.\n"); |
| return; |
| } |
| |
| n_print ("\n"); |
| n_print ("Clocking Interaction:\n"); |
| if (requires_clock) { |
| n_print (" element requires a clock\n"); |
| } |
| |
| if (provides_clock) { |
| GstClock *clock; |
| |
| clock = gst_element_get_clock (element); |
| if (clock) { |
| n_print (" element provides a clock: %s\n", GST_OBJECT_NAME (clock)); |
| gst_object_unref (clock); |
| } else |
| n_print (" element is supposed to provide a clock but returned NULL\n"); |
| } |
| } |
| |
| 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 ("URI handling capabilities:\n"); |
| n_print (" Element can act as %s.\n", uri_type); |
| |
| if (uri_protocols && *uri_protocols) { |
| n_print (" Supported URI protocols:\n"); |
| for (; *uri_protocols != NULL; uri_protocols++) |
| n_print (" %s\n", *uri_protocols); |
| } else { |
| n_print (" No supported URI protocols\n"); |
| } |
| } else { |
| n_print ("Element has no URI handling capabilities.\n"); |
| } |
| } |
| |
| static void |
| print_pad_info (GstElement * element) |
| { |
| const GList *pads; |
| GstPad *pad; |
| |
| n_print ("\n"); |
| n_print ("Pads:\n"); |
| |
| if (!element->numpads) { |
| n_print (" none\n"); |
| return; |
| } |
| |
| 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 (" SRC: '%s'\n", name); |
| else if (gst_pad_get_direction (pad) == GST_PAD_SINK) |
| n_print (" SINK: '%s'\n", name); |
| else |
| n_print (" UNKNOWN!!!: '%s'\n", name); |
| |
| g_free (name); |
| |
| if (pad->padtemplate) |
| n_print (" Pad Template: '%s'\n", pad->padtemplate->name_template); |
| |
| caps = gst_pad_get_current_caps (pad); |
| if (caps) { |
| n_print (" Capabilities:\n"); |
| print_caps (caps, " "); |
| gst_caps_unref (caps); |
| } |
| } |
| } |
| |
| 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 void |
| print_signal_info (GstElement * element) |
| { |
| /* Signals/Actions Block */ |
| guint *signals; |
| guint nsignals; |
| gint i = 0, j, k; |
| GSignalQuery *query = NULL; |
| GType type; |
| GSList *found_signals, *l; |
| |
| for (k = 0; k < 2; k++) { |
| found_signals = NULL; |
| |
| /* For elements that have sometimes pads, also list a few useful GstElement |
| * signals. Put these first, so element-specific ones come later. */ |
| if (k == 0 && has_sometimes_template (element)) { |
| query = g_new0 (GSignalQuery, 1); |
| g_signal_query (g_signal_lookup ("pad-added", GST_TYPE_ELEMENT), query); |
| found_signals = g_slist_append (found_signals, query); |
| query = g_new0 (GSignalQuery, 1); |
| g_signal_query (g_signal_lookup ("pad-removed", GST_TYPE_ELEMENT), query); |
| found_signals = g_slist_append (found_signals, query); |
| query = g_new0 (GSignalQuery, 1); |
| g_signal_query (g_signal_lookup ("no-more-pads", GST_TYPE_ELEMENT), |
| query); |
| found_signals = g_slist_append (found_signals, query); |
| } |
| |
| for (type = G_OBJECT_TYPE (element); type; type = g_type_parent (type)) { |
| if (type == GST_TYPE_ELEMENT || type == GST_TYPE_OBJECT) |
| break; |
| |
| if (type == GST_TYPE_BIN && G_OBJECT_TYPE (element) != GST_TYPE_BIN) |
| continue; |
| |
| signals = g_signal_list_ids (type, &nsignals); |
| for (i = 0; i < nsignals; i++) { |
| 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))) |
| found_signals = g_slist_append (found_signals, query); |
| else |
| g_free (query); |
| } |
| g_free (signals); |
| signals = NULL; |
| } |
| |
| if (found_signals) { |
| n_print ("\n"); |
| if (k == 0) |
| n_print ("Element Signals:\n"); |
| else |
| n_print ("Element Actions:\n"); |
| } else { |
| continue; |
| } |
| |
| for (l = found_signals; l; l = l->next) { |
| gchar *indent; |
| const gchar *pmark; |
| int indent_len; |
| |
| query = (GSignalQuery *) l->data; |
| indent_len = strlen (query->signal_name) + |
| strlen (g_type_name (query->return_type)) + 24; |
| |
| |
| if (query->return_type == G_TYPE_POINTER) { |
| pmark = ""; |
| } else if (G_TYPE_FUNDAMENTAL (query->return_type) == G_TYPE_POINTER |
| || G_TYPE_IS_BOXED (query->return_type) |
| || G_TYPE_IS_OBJECT (query->return_type)) { |
| pmark = "* "; |
| indent_len += 2; |
| } else { |
| pmark = ""; |
| } |
| |
| indent = g_new0 (gchar, indent_len + 1); |
| memset (indent, ' ', indent_len); |
| |
| n_print (" \"%s\" : %s %suser_function (%s* object", |
| query->signal_name, g_type_name (query->return_type), pmark, |
| g_type_name (type)); |
| |
| for (j = 0; j < query->n_params; j++) { |
| g_print (",\n"); |
| if (G_TYPE_IS_FUNDAMENTAL (query->param_types[j])) { |
| n_print ("%s%s arg%d", indent, |
| g_type_name (query->param_types[j]), j); |
| } else if (G_TYPE_IS_ENUM (query->param_types[j])) { |
| n_print ("%s%s arg%d", indent, |
| g_type_name (query->param_types[j]), j); |
| } else { |
| n_print ("%s%s* arg%d", indent, |
| g_type_name (query->param_types[j]), j); |
| } |
| } |
| |
| if (k == 0) { |
| g_print (",\n"); |
| n_print ("%sgpointer user_data);\n", indent); |
| } else |
| g_print (");\n"); |
| |
| g_free (indent); |
| } |
| |
| if (found_signals) { |
| g_slist_foreach (found_signals, (GFunc) g_free, NULL); |
| g_slist_free (found_signals); |
| } |
| } |
| } |
| |
| static void |
| print_children_info (GstElement * element) |
| { |
| GList *children; |
| |
| if (!GST_IS_BIN (element)) |
| return; |
| |
| children = (GList *) GST_BIN (element)->children; |
| if (children) { |
| n_print ("\n"); |
| n_print ("Children:\n"); |
| } |
| |
| while (children) { |
| n_print (" %s\n", GST_ELEMENT_NAME (GST_ELEMENT (children->data))); |
| children = g_list_next (children); |
| } |
| } |
| |
| static void |
| print_preset_list (GstElement * element) |
| { |
| gchar **presets, **preset; |
| |
| if (!GST_IS_PRESET (element)) |
| return; |
| |
| presets = gst_preset_get_preset_names (GST_PRESET (element)); |
| if (presets && *presets) { |
| n_print ("\n"); |
| n_print ("Presets:\n"); |
| for (preset = presets; *preset; preset++) { |
| n_print (" \"%s\"\n", *preset); |
| } |
| g_strfreev (presets); |
| } |
| } |
| |
| static void |
| print_blacklist (void) |
| { |
| GList *plugins, *cur; |
| gint count = 0; |
| |
| g_print ("%s\n", _("Blacklisted files:")); |
| |
| plugins = gst_registry_get_plugin_list (gst_registry_get ()); |
| for (cur = plugins; cur != NULL; cur = g_list_next (cur)) { |
| GstPlugin *plugin = (GstPlugin *) (cur->data); |
| if (GST_OBJECT_FLAG_IS_SET (plugin, GST_PLUGIN_FLAG_BLACKLISTED)) { |
| g_print (" %s\n", gst_plugin_get_name (plugin)); |
| count++; |
| } |
| } |
| |
| g_print ("\n"); |
| g_print (_("Total count: ")); |
| g_print (ngettext ("%d blacklisted file", "%d blacklisted files", count), |
| count); |
| g_print ("\n"); |
| gst_plugin_list_free (plugins); |
| } |
| |
| static void |
| print_element_list (gboolean print_all) |
| { |
| int plugincount = 0, featurecount = 0, blacklistcount = 0; |
| GList *plugins, *orig_plugins; |
| |
| orig_plugins = plugins = gst_registry_get_plugin_list (gst_registry_get ()); |
| while (plugins) { |
| GList *features, *orig_features; |
| GstPlugin *plugin; |
| |
| plugin = (GstPlugin *) (plugins->data); |
| plugins = g_list_next (plugins); |
| plugincount++; |
| |
| if (GST_OBJECT_FLAG_IS_SET (plugin, GST_PLUGIN_FLAG_BLACKLISTED)) { |
| blacklistcount++; |
| continue; |
| } |
| |
| orig_features = features = |
| gst_registry_get_feature_list_by_plugin (gst_registry_get (), |
| gst_plugin_get_name (plugin)); |
| while (features) { |
| GstPluginFeature *feature; |
| |
| if (G_UNLIKELY (features->data == NULL)) |
| goto next; |
| feature = GST_PLUGIN_FEATURE (features->data); |
| featurecount++; |
| |
| if (GST_IS_ELEMENT_FACTORY (feature)) { |
| GstElementFactory *factory; |
| |
| factory = GST_ELEMENT_FACTORY (feature); |
| if (print_all) |
| print_element_info (factory, TRUE); |
| else |
| g_print ("%s: %s: %s\n", gst_plugin_get_name (plugin), |
| GST_OBJECT_NAME (factory), |
| gst_element_factory_get_metadata (factory, |
| GST_ELEMENT_METADATA_LONGNAME)); |
| } else if (GST_IS_TYPE_FIND_FACTORY (feature)) { |
| GstTypeFindFactory *factory; |
| const gchar *const *extensions; |
| |
| factory = GST_TYPE_FIND_FACTORY (feature); |
| if (!print_all) |
| g_print ("%s: %s: ", gst_plugin_get_name (plugin), |
| gst_plugin_feature_get_name (feature)); |
| |
| 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) |
| g_print ("\n"); |
| } else { |
| if (!print_all) |
| g_print ("no extensions\n"); |
| } |
| } else { |
| if (!print_all) |
| n_print ("%s: %s (%s)\n", gst_plugin_get_name (plugin), |
| GST_OBJECT_NAME (feature), g_type_name (G_OBJECT_TYPE (feature))); |
| } |
| |
| next: |
| features = g_list_next (features); |
| } |
| |
| gst_plugin_feature_list_free (orig_features); |
| } |
| |
| gst_plugin_list_free (orig_plugins); |
| |
| g_print ("\n"); |
| g_print (_("Total count: ")); |
| g_print (ngettext ("%d plugin", "%d plugins", plugincount), plugincount); |
| if (blacklistcount) { |
| g_print (" ("); |
| g_print (ngettext ("%d blacklist entry", "%d blacklist entries", |
| blacklistcount), blacklistcount); |
| g_print (" not shown)"); |
| } |
| g_print (", "); |
| g_print (ngettext ("%d feature", "%d features", featurecount), featurecount); |
| g_print ("\n"); |
| } |
| |
| static void |
| print_all_uri_handlers (void) |
| { |
| GList *plugins, *p, *features, *f; |
| |
| plugins = gst_registry_get_plugin_list (gst_registry_get ()); |
| |
| for (p = plugins; p; p = p->next) { |
| GstPlugin *plugin = (GstPlugin *) (p->data); |
| |
| features = |
| gst_registry_get_feature_list_by_plugin (gst_registry_get (), |
| gst_plugin_get_name (plugin)); |
| |
| for (f = features; f; f = f->next) { |
| GstPluginFeature *feature = GST_PLUGIN_FEATURE (f->data); |
| |
| if (GST_IS_ELEMENT_FACTORY (feature)) { |
| GstElementFactory *factory; |
| GstElement *element; |
| |
| factory = GST_ELEMENT_FACTORY (gst_plugin_feature_load (feature)); |
| if (!factory) { |
| g_print ("element plugin %s couldn't be loaded\n", |
| gst_plugin_get_name (plugin)); |
| continue; |
| } |
| |
| element = gst_element_factory_create (factory, NULL); |
| if (!element) { |
| g_print ("couldn't construct element for %s for some reason\n", |
| GST_OBJECT_NAME (factory)); |
| gst_object_unref (factory); |
| continue; |
| } |
| |
| if (GST_IS_URI_HANDLER (element)) { |
| const gchar *const *uri_protocols; |
| const gchar *dir; |
| gchar *joined; |
| |
| switch (gst_uri_handler_get_uri_type (GST_URI_HANDLER (element))) { |
| case GST_URI_SRC: |
| dir = "read"; |
| break; |
| case GST_URI_SINK: |
| dir = "write"; |
| break; |
| default: |
| dir = "unknown"; |
| break; |
| } |
| |
| uri_protocols = |
| gst_uri_handler_get_protocols (GST_URI_HANDLER (element)); |
| joined = g_strjoinv (", ", (gchar **) uri_protocols); |
| |
| g_print ("%s (%s, rank %u): %s\n", |
| gst_plugin_feature_get_name (GST_PLUGIN_FEATURE (factory)), dir, |
| gst_plugin_feature_get_rank (GST_PLUGIN_FEATURE (factory)), |
| joined); |
| |
| g_free (joined); |
| } |
| |
| gst_object_unref (element); |
| gst_object_unref (factory); |
| } |
| } |
| |
| gst_plugin_feature_list_free (features); |
| } |
| |
| gst_plugin_list_free (plugins); |
| } |
| |
| static void |
| print_plugin_info (GstPlugin * plugin) |
| { |
| const gchar *release_date = gst_plugin_get_release_date_string (plugin); |
| const gchar *filename = gst_plugin_get_filename (plugin); |
| |
| n_print ("Plugin Details:\n"); |
| n_print (" %-25s%s\n", "Name", gst_plugin_get_name (plugin)); |
| n_print (" %-25s%s\n", "Description", gst_plugin_get_description (plugin)); |
| n_print (" %-25s%s\n", "Filename", (filename != NULL) ? filename : "(null)"); |
| n_print (" %-25s%s\n", "Version", gst_plugin_get_version (plugin)); |
| n_print (" %-25s%s\n", "License", gst_plugin_get_license (plugin)); |
| n_print (" %-25s%s\n", "Source module", gst_plugin_get_source (plugin)); |
| |
| if (release_date != NULL) { |
| const gchar *tz = "(UTC)"; |
| gchar *str, *sep; |
| |
| /* may be: YYYY-MM-DD or YYYY-MM-DDTHH:MMZ */ |
| /* YYYY-MM-DDTHH:MMZ => YYYY-MM-DD HH:MM (UTC) */ |
| str = g_strdup (release_date); |
| sep = strstr (str, "T"); |
| if (sep != NULL) { |
| *sep = ' '; |
| sep = strstr (sep + 1, "Z"); |
| if (sep != NULL) |
| *sep = ' '; |
| } else { |
| tz = ""; |
| } |
| n_print (" %-25s%s%s\n", "Source release date", str, tz); |
| g_free (str); |
| } |
| n_print (" %-25s%s\n", "Binary package", gst_plugin_get_package (plugin)); |
| n_print (" %-25s%s\n", "Origin URL", gst_plugin_get_origin (plugin)); |
| n_print ("\n"); |
| } |
| |
| static void |
| print_plugin_features (GstPlugin * plugin) |
| { |
| GList *features, *origlist; |
| gint num_features = 0; |
| gint num_elements = 0; |
| gint num_typefinders = 0; |
| gint num_devproviders = 0; |
| gint num_other = 0; |
| |
| origlist = features = |
| gst_registry_get_feature_list_by_plugin (gst_registry_get (), |
| gst_plugin_get_name (plugin)); |
| |
| while (features) { |
| GstPluginFeature *feature; |
| |
| feature = GST_PLUGIN_FEATURE (features->data); |
| |
| if (GST_IS_ELEMENT_FACTORY (feature)) { |
| GstElementFactory *factory; |
| |
| factory = GST_ELEMENT_FACTORY (feature); |
| n_print (" %s: %s\n", GST_OBJECT_NAME (factory), |
| gst_element_factory_get_metadata (factory, |
| GST_ELEMENT_METADATA_LONGNAME)); |
| num_elements++; |
| } else if (GST_IS_TYPE_FIND_FACTORY (feature)) { |
| GstTypeFindFactory *factory; |
| const gchar *const *extensions; |
| |
| factory = GST_TYPE_FIND_FACTORY (feature); |
| extensions = gst_type_find_factory_get_extensions (factory); |
| if (extensions) { |
| guint i = 0; |
| |
| g_print (" %s: %s: ", gst_plugin_get_name (plugin), |
| gst_plugin_feature_get_name (feature)); |
| while (extensions[i]) { |
| g_print ("%s%s", i > 0 ? ", " : "", extensions[i]); |
| i++; |
| } |
| g_print ("\n"); |
| } else |
| g_print (" %s: %s: no extensions\n", gst_plugin_get_name (plugin), |
| gst_plugin_feature_get_name (feature)); |
| |
| num_typefinders++; |
| } else if (GST_IS_DEVICE_PROVIDER_FACTORY (feature)) { |
| GstDeviceProviderFactory *factory; |
| |
| factory = GST_DEVICE_PROVIDER_FACTORY (feature); |
| n_print (" %s: %s\n", GST_OBJECT_NAME (factory), |
| gst_device_provider_factory_get_metadata (factory, |
| GST_ELEMENT_METADATA_LONGNAME)); |
| num_devproviders++; |
| } else if (feature) { |
| n_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); |
| } |
| |
| gst_plugin_feature_list_free (origlist); |
| |
| n_print ("\n"); |
| n_print (" %d features:\n", num_features); |
| if (num_elements > 0) |
| n_print (" +-- %d elements\n", num_elements); |
| if (num_typefinders > 0) |
| n_print (" +-- %d typefinders\n", num_typefinders); |
| if (num_devproviders > 0) |
| n_print (" +-- %d device providers\n", num_devproviders); |
| if (num_other > 0) |
| n_print (" +-- %d other objects\n", num_other); |
| |
| n_print ("\n"); |
| } |
| |
| static int |
| print_element_features (const gchar * element_name) |
| { |
| GstPluginFeature *feature; |
| |
| /* FIXME implement other pretty print function for these */ |
| feature = gst_registry_find_feature (gst_registry_get (), element_name, |
| GST_TYPE_TYPE_FIND_FACTORY); |
| if (feature) { |
| n_print ("%s: a typefind function\n", element_name); |
| return 0; |
| } |
| |
| return -1; |
| } |
| |
| static int |
| print_element_info (GstElementFactory * factory, gboolean print_names) |
| { |
| GstElement *element; |
| GstPlugin *plugin; |
| gint maxlevel = 0; |
| |
| factory = |
| GST_ELEMENT_FACTORY (gst_plugin_feature_load (GST_PLUGIN_FEATURE |
| (factory))); |
| |
| if (!factory) { |
| g_print ("element plugin couldn't be loaded\n"); |
| return -1; |
| } |
| |
| element = gst_element_factory_create (factory, NULL); |
| if (!element) { |
| gst_object_unref (factory); |
| g_print ("couldn't construct element for some reason\n"); |
| return -1; |
| } |
| |
| if (print_names) |
| _name = g_strdup_printf ("%s: ", GST_OBJECT_NAME (factory)); |
| else |
| _name = NULL; |
| |
| print_factory_details_info (factory); |
| |
| 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 (element), 0, &maxlevel); |
| print_interfaces (G_OBJECT_TYPE (element)); |
| |
| print_pad_templates_info (element, factory); |
| print_element_flag_info (element); |
| print_implementation_info (element); |
| print_clocking_info (element); |
| print_uri_handler_info (element); |
| print_pad_info (element); |
| print_element_properties_info (element); |
| print_signal_info (element); |
| print_children_info (element); |
| print_preset_list (element); |
| |
| gst_object_unref (element); |
| gst_object_unref (factory); |
| g_free (_name); |
| |
| return 0; |
| } |
| |
| |
| static void |
| print_plugin_automatic_install_info_codecs (GstElementFactory * factory) |
| { |
| GstPadDirection direction; |
| const gchar *type_name; |
| const gchar *klass; |
| const GList *static_templates, *l; |
| GstCaps *caps = NULL; |
| guint i, num; |
| |
| klass = |
| gst_element_factory_get_metadata (factory, GST_ELEMENT_METADATA_KLASS); |
| g_return_if_fail (klass != NULL); |
| |
| if (strstr (klass, "Demuxer") || |
| strstr (klass, "Decoder") || |
| strstr (klass, "Depay") || strstr (klass, "Parser")) { |
| type_name = "decoder"; |
| direction = GST_PAD_SINK; |
| } else if (strstr (klass, "Muxer") || |
| strstr (klass, "Encoder") || strstr (klass, "Pay")) { |
| type_name = "encoder"; |
| direction = GST_PAD_SRC; |
| } else { |
| return; |
| } |
| |
| /* decoder/demuxer sink pads should always be static and there should only |
| * be one, the same applies to encoders/muxers and source pads */ |
| static_templates = gst_element_factory_get_static_pad_templates (factory); |
| for (l = static_templates; l != NULL; l = l->next) { |
| GstStaticPadTemplate *tmpl = NULL; |
| |
| tmpl = (GstStaticPadTemplate *) l->data; |
| if (tmpl->direction == direction) { |
| caps = gst_static_pad_template_get_caps (tmpl); |
| break; |
| } |
| } |
| |
| if (caps == NULL) { |
| g_printerr ("Couldn't find static pad template for %s '%s'\n", |
| type_name, GST_OBJECT_NAME (factory)); |
| return; |
| } |
| |
| caps = gst_caps_make_writable (caps); |
| num = gst_caps_get_size (caps); |
| for (i = 0; i < num; ++i) { |
| GstStructure *s; |
| gchar *s_str; |
| |
| s = gst_caps_get_structure (caps, i); |
| /* remove fields that are almost always just MIN-MAX of some sort |
| * in order to make the caps look less messy */ |
| gst_structure_remove_field (s, "pixel-aspect-ratio"); |
| gst_structure_remove_field (s, "framerate"); |
| gst_structure_remove_field (s, "channels"); |
| gst_structure_remove_field (s, "width"); |
| gst_structure_remove_field (s, "height"); |
| gst_structure_remove_field (s, "rate"); |
| gst_structure_remove_field (s, "depth"); |
| gst_structure_remove_field (s, "clock-rate"); |
| s_str = gst_structure_to_string (s); |
| g_print ("%s-%s\n", type_name, s_str); |
| g_free (s_str); |
| } |
| gst_caps_unref (caps); |
| } |
| |
| static void |
| print_plugin_automatic_install_info_protocols (GstElementFactory * factory) |
| { |
| const gchar *const *protocols; |
| |
| protocols = gst_element_factory_get_uri_protocols (factory); |
| if (protocols != NULL && *protocols != NULL) { |
| switch (gst_element_factory_get_uri_type (factory)) { |
| case GST_URI_SINK: |
| while (*protocols != NULL) { |
| g_print ("urisink-%s\n", *protocols); |
| ++protocols; |
| } |
| break; |
| case GST_URI_SRC: |
| while (*protocols != NULL) { |
| g_print ("urisource-%s\n", *protocols); |
| ++protocols; |
| } |
| break; |
| default: |
| break; |
| } |
| } |
| } |
| |
| static void |
| print_plugin_automatic_install_info (GstPlugin * plugin) |
| { |
| GList *features, *l; |
| |
| /* not interested in typefind factories, only element factories */ |
| features = gst_registry_get_feature_list (gst_registry_get (), |
| GST_TYPE_ELEMENT_FACTORY); |
| |
| for (l = features; l != NULL; l = l->next) { |
| GstPluginFeature *feature; |
| GstPlugin *feature_plugin; |
| |
| feature = GST_PLUGIN_FEATURE (l->data); |
| |
| /* only interested in the ones that are in the plugin we just loaded */ |
| feature_plugin = gst_plugin_feature_get_plugin (feature); |
| if (feature_plugin == plugin) { |
| GstElementFactory *factory; |
| |
| g_print ("element-%s\n", gst_plugin_feature_get_name (feature)); |
| |
| factory = GST_ELEMENT_FACTORY (feature); |
| print_plugin_automatic_install_info_protocols (factory); |
| print_plugin_automatic_install_info_codecs (factory); |
| } |
| if (feature_plugin) |
| gst_object_unref (feature_plugin); |
| } |
| |
| g_list_foreach (features, (GFunc) gst_object_unref, NULL); |
| g_list_free (features); |
| } |
| |
| static void |
| print_all_plugin_automatic_install_info (void) |
| { |
| GList *plugins, *orig_plugins; |
| |
| orig_plugins = plugins = gst_registry_get_plugin_list (gst_registry_get ()); |
| while (plugins) { |
| GstPlugin *plugin; |
| |
| plugin = (GstPlugin *) (plugins->data); |
| plugins = g_list_next (plugins); |
| |
| print_plugin_automatic_install_info (plugin); |
| } |
| gst_plugin_list_free (orig_plugins); |
| } |
| |
| int |
| main (int argc, char *argv[]) |
| { |
| gboolean print_all = FALSE; |
| gboolean do_print_blacklist = FALSE; |
| gboolean plugin_name = FALSE; |
| gboolean print_aii = FALSE; |
| gboolean uri_handlers = FALSE; |
| gboolean check_exists = FALSE; |
| gchar *min_version = NULL; |
| guint minver_maj = GST_VERSION_MAJOR; |
| guint minver_min = GST_VERSION_MINOR; |
| guint minver_micro = 0; |
| #ifndef GST_DISABLE_OPTION_PARSING |
| GOptionEntry options[] = { |
| {"print-all", 'a', 0, G_OPTION_ARG_NONE, &print_all, |
| N_("Print all elements"), NULL}, |
| {"print-blacklist", 'b', 0, G_OPTION_ARG_NONE, &do_print_blacklist, |
| N_("Print list of blacklisted files"), NULL}, |
| {"print-plugin-auto-install-info", '\0', 0, G_OPTION_ARG_NONE, &print_aii, |
| N_("Print a machine-parsable list of features the specified plugin " |
| "or all plugins provide.\n " |
| "Useful in connection with external automatic plugin " |
| "installation mechanisms"), NULL}, |
| {"plugin", '\0', 0, G_OPTION_ARG_NONE, &plugin_name, |
| N_("List the plugin contents"), NULL}, |
| {"exists", '\0', 0, G_OPTION_ARG_NONE, &check_exists, |
| N_("Check if the specified element or plugin exists"), NULL}, |
| {"atleast-version", '\0', 0, G_OPTION_ARG_STRING, &min_version, |
| N_ |
| ("When checking if an element or plugin exists, also check that its " |
| "version is at least the version specified"), NULL}, |
| {"uri-handlers", 'u', 0, G_OPTION_ARG_NONE, &uri_handlers, |
| N_ |
| ("Print supported URI schemes, with the elements that implement them"), |
| NULL}, |
| GST_TOOLS_GOPTION_VERSION, |
| {NULL} |
| }; |
| GOptionContext *ctx; |
| GError *err = NULL; |
| #endif |
| |
| setlocale (LC_ALL, ""); |
| |
| #ifdef ENABLE_NLS |
| bindtextdomain (GETTEXT_PACKAGE, LOCALEDIR); |
| bind_textdomain_codeset (GETTEXT_PACKAGE, "UTF-8"); |
| textdomain (GETTEXT_PACKAGE); |
| #endif |
| |
| /* avoid glib warnings when inspecting deprecated properties */ |
| g_setenv ("G_ENABLE_DIAGNOSTIC", "0", FALSE); |
| |
| g_set_prgname ("gst-inspect-" GST_API_VERSION); |
| |
| #ifndef GST_DISABLE_OPTION_PARSING |
| ctx = g_option_context_new ("[ELEMENT-NAME | PLUGIN-NAME]"); |
| g_option_context_add_main_entries (ctx, options, GETTEXT_PACKAGE); |
| g_option_context_add_group (ctx, gst_init_get_option_group ()); |
| if (!g_option_context_parse (ctx, &argc, &argv, &err)) { |
| g_printerr ("Error initializing: %s\n", err->message); |
| return -1; |
| } |
| g_option_context_free (ctx); |
| #else |
| gst_init (&argc, &argv); |
| #endif |
| |
| gst_tools_print_version (); |
| |
| if (print_all && argc > 1) { |
| g_printerr ("-a requires no extra arguments\n"); |
| return -1; |
| } |
| |
| if (uri_handlers && argc > 1) { |
| g_printerr ("-u requires no extra arguments\n"); |
| return -1; |
| } |
| |
| /* --atleast-version implies --exists */ |
| if (min_version != NULL) { |
| if (sscanf (min_version, "%u.%u.%u", &minver_maj, &minver_min, |
| &minver_micro) < 2) { |
| g_printerr ("Can't parse version '%s' passed to --atleast-version\n", |
| min_version); |
| return -1; |
| } |
| check_exists = TRUE; |
| } |
| |
| if (check_exists) { |
| int exit_code; |
| |
| if (argc == 1) { |
| g_printerr ("--exists requires an extra command line argument\n"); |
| exit_code = -1; |
| } else { |
| if (!plugin_name) { |
| GstPluginFeature *feature; |
| |
| feature = gst_registry_lookup_feature (gst_registry_get (), argv[1]); |
| if (feature != NULL && gst_plugin_feature_check_version (feature, |
| minver_maj, minver_min, minver_micro)) { |
| exit_code = 0; |
| } else { |
| exit_code = 1; |
| } |
| } else { |
| /* FIXME: support checking for plugins too */ |
| g_printerr ("Checking for plugins is not supported yet\n"); |
| exit_code = -1; |
| } |
| } |
| return exit_code; |
| } |
| |
| /* if no arguments, print out list of elements */ |
| if (uri_handlers) { |
| print_all_uri_handlers (); |
| } else if (argc == 1 || print_all) { |
| if (do_print_blacklist) |
| print_blacklist (); |
| else { |
| if (print_aii) |
| print_all_plugin_automatic_install_info (); |
| else |
| print_element_list (print_all); |
| } |
| } else { |
| /* else we try to get a factory */ |
| GstElementFactory *factory; |
| GstPlugin *plugin; |
| const char *arg = argv[argc - 1]; |
| int retval; |
| |
| if (!plugin_name) { |
| factory = gst_element_factory_find (arg); |
| |
| /* if there's a factory, print out the info */ |
| if (factory) { |
| retval = print_element_info (factory, print_all); |
| gst_object_unref (factory); |
| } else { |
| retval = print_element_features (arg); |
| } |
| } else { |
| retval = -1; |
| } |
| |
| /* otherwise check if it's a plugin */ |
| if (retval) { |
| plugin = gst_registry_find_plugin (gst_registry_get (), arg); |
| |
| /* if there is such a plugin, print out info */ |
| if (plugin) { |
| if (print_aii) { |
| print_plugin_automatic_install_info (plugin); |
| } else { |
| print_plugin_info (plugin); |
| print_plugin_features (plugin); |
| } |
| } else { |
| GError *error = NULL; |
| |
| if (g_file_test (arg, G_FILE_TEST_EXISTS)) { |
| plugin = gst_plugin_load_file (arg, &error); |
| |
| if (plugin) { |
| if (print_aii) { |
| print_plugin_automatic_install_info (plugin); |
| } else { |
| print_plugin_info (plugin); |
| print_plugin_features (plugin); |
| } |
| } else { |
| g_printerr (_("Could not load plugin file: %s\n"), error->message); |
| g_error_free (error); |
| return -1; |
| } |
| } else { |
| g_printerr (_("No such element or plugin '%s'\n"), arg); |
| return -1; |
| } |
| } |
| } |
| } |
| |
| return 0; |
| } |