From 22e55e9f8eba1f483588d18b0b7d83fe7d40b590 Mon Sep 17 00:00:00 2001 From: Wim Taymans Date: Mon, 4 Jan 2016 11:39:33 +0100 Subject: inspect: Add RPM output format --- tools/gst-inspect.c | 277 +++++++++++++++++++++++++++++++++++++++++++++++++--- 1 file changed, 262 insertions(+), 15 deletions(-) diff --git a/tools/gst-inspect.c b/tools/gst-inspect.c index 823e82b61..96f5bc786 100644 --- a/tools/gst-inspect.c +++ b/tools/gst-inspect.c @@ -1728,7 +1728,224 @@ print_tracer_info (GstPluginFeature * feature, gboolean print_names) * is meant for machines, not humans. */ static void -print_plugin_automatic_install_info_codecs (GstElementFactory * factory) +print_gst_structure_append_field (GList * strings, const char *field) +{ + GList *s; + + //g_message ("adding '%s' to the string", field); + + for (s = strings; s != NULL; s = s->next) { + g_string_append (s->data, field); + } +} + +static void +print_gst_structure_append_field_index (GList * strings, const char *field, + guint num_items, guint offset) +{ + GList *s; + guint i; + + //g_message ("adding '%s' to the string (num: %d offset: %d)", field, num_items, offset); + + for (s = strings, i = 0; s != NULL; s = s->next, i++) { + if (i == offset) { + //g_message ("adding '%s' at '%d'", field, i); + g_string_append (s->data, field); + } + if (i == num_items) + i = 0; + } + +} + +static GList * +print_gst_structure_dup_fields (GList * strings, guint num_items) +{ + guint new_items, i; + + if (num_items == 1) + return strings; + + //g_message ("creating %d new items", num_items); + + new_items = g_list_length (strings) * (num_items - 1); + for (i = 0; i < new_items; i++) { + GString *s, *first; + + first = strings->data; + s = g_string_new_len (first->str, first->len); + strings = g_list_prepend (strings, s); + } + + return strings; +} + +enum +{ + FIELD_VERSION = 0, + FIELD_LAYER, + FIELD_VARIANT, + FIELD_SYSTEMSTREAM +}; + +static int +field_get_type (const char *field_name) +{ + if (strstr (field_name, "version") != NULL) + return FIELD_VERSION; + if (strcmp (field_name, "layer") == 0) + return FIELD_LAYER; + if (strcmp (field_name, "systemstream") == 0) + return FIELD_SYSTEMSTREAM; + if (strcmp (field_name, "variant") == 0) + return FIELD_VARIANT; + + return -1; +} + +static gint +fields_type_compare (const char *a, const char *b) +{ + gint a_type, b_type; + + a_type = field_get_type (a); + b_type = field_get_type (b); + if (a_type < b_type) + return -1; + if (b_type < a_type) + return 1; + return 0; +} + +static void +print_gst_structure_for_rpm (const char *type_name, GstStructure * s) +{ + guint i, num_fields; + const char *name; + GList *fields, *l, *strings; + GString *string; + + name = gst_structure_get_name (s); + strings = NULL; + num_fields = gst_structure_n_fields (s); + fields = NULL; + + for (i = 0; i < num_fields; i++) { + const char *field_name; + + field_name = gst_structure_nth_field_name (s, i); + if (field_get_type (field_name) < 0) { + //g_message ("ignoring field named %s", field_name); + continue; + } + + fields = + g_list_insert_sorted (fields, g_strdup (field_name), + (GCompareFunc) fields_type_compare); + } + + /* Example: + * gstreamer1(decoder-video/mpeg)(mpegversion=1)()(64bit) */ + string = g_string_new ("gstreamer1"); + g_string_append_c (string, '('); + g_string_append (string, type_name); + g_string_append_c (string, '-'); + g_string_append (string, name); + g_string_append_c (string, ')'); + + strings = g_list_append (strings, string); + + for (l = fields; l != NULL; l = l->next) { + char *field_name; + GType type; + + field_name = l->data; + + type = gst_structure_get_field_type (s, field_name); + //g_message ("field is: %s, type: %s", field_name, g_type_name (type)); + + if (type == G_TYPE_INT) { + char *field; + int value; + + gst_structure_get_int (s, field_name, &value); + field = g_strdup_printf ("(%s=%d)", field_name, value); + print_gst_structure_append_field (strings, field); + g_free (field); + } else if (type == G_TYPE_BOOLEAN) { + char *field; + int value; + + gst_structure_get_boolean (s, field_name, &value); + field = g_strdup_printf ("(%s=%s)", field_name, value ? "true" : "false"); + print_gst_structure_append_field (strings, field); + g_free (field); + } else if (type == GST_TYPE_INT_RANGE) { + const GValue *value; + int min, max; + + value = gst_structure_get_value (s, field_name); + min = gst_value_get_int_range_min (value); + max = gst_value_get_int_range_max (value); + + strings = print_gst_structure_dup_fields (strings, max - min + 1); + + for (i = min; i <= max; i++) { + char *field; + + field = g_strdup_printf ("(%s=%d)", field_name, i); + print_gst_structure_append_field_index (strings, field, max - min + 1, + i - min); + g_free (field); + } + } else if (type == GST_TYPE_LIST) { + const GValue *value; + int num_items; + + value = gst_structure_get_value (s, field_name); + num_items = gst_value_list_get_size (value); + + strings = print_gst_structure_dup_fields (strings, num_items); + + for (i = 0; i < num_items; i++) { + char *field; + const GValue *item_value; + + item_value = gst_value_list_get_value (value, i); + field = g_strdup_printf ("(%s=%d)", field_name, + g_value_get_int (item_value)); + print_gst_structure_append_field_index (strings, field, num_items, i); + g_free (field); + } + } else if (type == G_TYPE_STRING) { + char *field; + const char *value; + + value = gst_structure_get_string (s, field_name); + field = g_strdup_printf ("(%s=%s)", field_name, value); + print_gst_structure_append_field (strings, field); + g_free (field); + } else { + g_warning ("unhandled type! %s", g_type_name (type)); + } + + g_free (field_name); + } + + g_list_free (fields); + + for (l = strings; l != NULL; l = l->next) { + string = l->data; + g_print ("%s\n", string->str); + g_string_free (string, TRUE); + } + g_list_free (strings); +} + +static void +print_plugin_automatic_install_info_codecs (GstElementFactory * factory, + gboolean rpm_format) { GstPadDirection direction; const gchar *type_name; @@ -1754,6 +1971,13 @@ print_plugin_automatic_install_info_codecs (GstElementFactory * factory) return; } + if (rpm_format) { + /* Ignore NONE ranked plugins */ + if ((gst_plugin_feature_get_rank (GST_PLUGIN_FEATURE (factory))) == + GST_RANK_NONE) + 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); @@ -1790,15 +2014,20 @@ print_plugin_automatic_install_info_codecs (GstElementFactory * factory) 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); + if (!rpm_format) { + s_str = gst_structure_to_string (s); + g_print ("%s-%s\n", type_name, s_str); + g_free (s_str); + } else { + print_gst_structure_for_rpm (type_name, s); + } } gst_caps_unref (caps); } static void -print_plugin_automatic_install_info_protocols (GstElementFactory * factory) +print_plugin_automatic_install_info_protocols (GstElementFactory * factory, + gboolean rpm_format) { const gchar *const *protocols; @@ -1807,13 +2036,19 @@ print_plugin_automatic_install_info_protocols (GstElementFactory * factory) switch (gst_element_factory_get_uri_type (factory)) { case GST_URI_SINK: while (*protocols != NULL) { - g_print ("urisink-%s\n", *protocols); + if (!rpm_format) + g_print ("urisink-%s\n", *protocols); + else + g_print ("gstreamer1(urisink-%s)\n", *protocols); ++protocols; } break; case GST_URI_SRC: while (*protocols != NULL) { - g_print ("urisource-%s\n", *protocols); + if (!rpm_format) + g_print ("urisource-%s\n", *protocols); + else + g_print ("gstreamer1(urisource-%s)\n", *protocols); ++protocols; } break; @@ -1824,7 +2059,7 @@ print_plugin_automatic_install_info_protocols (GstElementFactory * factory) } static void -print_plugin_automatic_install_info (GstPlugin * plugin) +print_plugin_automatic_install_info (GstPlugin * plugin, gboolean rpm_format) { GList *features, *l; @@ -1843,11 +2078,15 @@ print_plugin_automatic_install_info (GstPlugin * plugin) if (feature_plugin == plugin) { GstElementFactory *factory; - g_print ("element-%s\n", gst_plugin_feature_get_name (feature)); + if (!rpm_format) + g_print ("element-%s\n", gst_plugin_feature_get_name (feature)); + else + g_print ("gstreamer1(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); + print_plugin_automatic_install_info_protocols (factory, rpm_format); + print_plugin_automatic_install_info_codecs (factory, rpm_format); } if (feature_plugin) gst_object_unref (feature_plugin); @@ -1869,7 +2108,7 @@ print_all_plugin_automatic_install_info (void) plugin = (GstPlugin *) (plugins->data); plugins = g_list_next (plugins); - print_plugin_automatic_install_info (plugin); + print_plugin_automatic_install_info (plugin, FALSE); } gst_plugin_list_free (orig_plugins); } @@ -1934,6 +2173,7 @@ main (int argc, char *argv[]) gboolean do_print_blacklist = FALSE; gboolean plugin_name = FALSE; gboolean print_aii = FALSE; + gboolean print_aii_rpm = FALSE; gboolean uri_handlers = FALSE; gboolean check_exists = FALSE; gchar *min_version = NULL; @@ -1954,6 +2194,9 @@ main (int argc, char *argv[]) "or all plugins provide.\n " "Useful in connection with external automatic plugin " "installation mechanisms"), NULL}, + {"rpm", '\0', 0, G_OPTION_ARG_NONE, &print_aii_rpm, + N_("Print the machine-parsable list of features of a plugin in RPM " + "Provides compatible-format"), NULL}, {"plugin", '\0', 0, G_OPTION_ARG_NONE, &plugin_name, N_("List the plugin contents"), NULL}, {"types", 't', 0, G_OPTION_ARG_STRING, &types, @@ -2109,7 +2352,7 @@ main (int argc, char *argv[]) /* if there is such a plugin, print out info */ if (plugin) { if (print_aii) { - print_plugin_automatic_install_info (plugin); + print_plugin_automatic_install_info (plugin, print_aii_rpm); } else { print_plugin_info (plugin); print_plugin_features (plugin); @@ -2122,13 +2365,17 @@ main (int argc, char *argv[]) if (plugin) { if (print_aii) { - print_plugin_automatic_install_info (plugin); + print_plugin_automatic_install_info (plugin, print_aii_rpm); } else { print_plugin_info (plugin); print_plugin_features (plugin); } } else { - g_printerr (_("Could not load plugin file: %s\n"), error->message); + if (!print_aii_rpm) + g_print (_("Could not load plugin file: %s\n"), error->message); + else + g_printerr (_("Could not load plugin file: %s\n"), + error->message); g_clear_error (&error); exit_code = -1; goto done; -- cgit v1.2.3