mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-12-23 00:36:51 +00:00
b214d35eed
Original commit message from CVS: commit to make gstreamer follow the gtk function/macro naming conventions: GstPadTemplate <-> gst_pad_template <-> GST_PAD_TEMPLATE and the same for *factory and typefind.
623 lines
17 KiB
C
623 lines
17 KiB
C
#include <gst/gst.h>
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#include <string.h>
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static void
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print_prop (GstPropsEntry *prop, gboolean showname, gchar *pfx)
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{
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GstPropsType type;
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if (showname)
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printf("%s%s: ", pfx, gst_props_entry_get_name (prop));
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else
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printf(pfx);
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type = gst_props_entry_get_type (prop);
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switch (type) {
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case GST_PROPS_INT_TYPE:
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{
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gint val;
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gst_props_entry_get_int (prop, &val);
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printf("Integer: %d\n", val);
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break;
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}
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case GST_PROPS_INT_RANGE_TYPE:
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{
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gint min, max;
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gst_props_entry_get_int_range (prop, &min, &max);
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printf("Integer range: %d - %d\n", min, max);
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break;
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}
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case GST_PROPS_FLOAT_TYPE:
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{
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gfloat val;
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gst_props_entry_get_float (prop, &val);
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printf("Float: %f\n", val);
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break;
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}
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case GST_PROPS_FLOAT_RANGE_TYPE:
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{
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gfloat min, max;
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gst_props_entry_get_float_range (prop, &min, &max);
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printf("Float range: %f - %f\n", min, max);
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break;
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}
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case GST_PROPS_BOOL_TYPE:
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{
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gboolean val;
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gst_props_entry_get_boolean (prop, &val);
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printf("Boolean: %s\n", val ? "TRUE" : "FALSE");
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break;
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}
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case GST_PROPS_STRING_TYPE:
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{
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const gchar *val;
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gst_props_entry_get_string (prop, &val);
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printf("String: %s\n", val);
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break;
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}
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case GST_PROPS_FOURCC_TYPE:
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{
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guint32 val;
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gst_props_entry_get_fourcc_int (prop, &val);
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printf("FourCC: '%c%c%c%c'\n",
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(gchar)( val & 0xff),
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(gchar)((val >> 8) & 0xff),
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(gchar)((val >> 16) & 0xff),
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(gchar)((val >> 24) & 0xff));
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break;
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}
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case GST_PROPS_LIST_TYPE:
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{
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const GList *list;
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gchar *longprefix;
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gst_props_entry_get_list (prop, &list);
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printf ("List:\n");
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longprefix = g_strdup_printf ("%s ", pfx);
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while (list) {
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GstPropsEntry *listentry;
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listentry = (GstPropsEntry*) (list->data);
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print_prop (listentry, FALSE, longprefix);
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list = g_list_next (list);
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}
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g_free (longprefix);
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break;
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}
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default:
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printf("unknown props %d\n", type);
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}
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}
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static void
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print_props (GstProps *properties, gchar *pfx)
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{
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GList *props;
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GstPropsEntry *prop;
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props = properties->properties;
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while (props) {
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prop = (GstPropsEntry*)(props->data);
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props = g_list_next(props);
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print_prop(prop,TRUE,pfx);
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}
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}
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static void
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output_hierarchy (GType type, gint level, gint *maxlevel)
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{
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GType parent;
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gint i;
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parent = g_type_parent (type);
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*maxlevel = *maxlevel + 1;
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level++;
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if (parent)
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output_hierarchy (parent, level, maxlevel);
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for (i=1; i<*maxlevel-level; i++)
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g_print (" ");
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if (*maxlevel-level)
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g_print (" +----");
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g_print ("%s\n", g_type_name (type));
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if (level == 1)
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g_print ("\n");
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}
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static gint
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print_element_info (GstElementFactory *factory)
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{
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GstElement *element;
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GstObjectClass *gstobject_class;
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GstElementClass *gstelement_class;
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GList *pads;
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GstCaps *caps;
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GstPad *pad;
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GstRealPad *realpad;
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GstPadTemplate *padtemplate;
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gint num_properties,i;
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GParamSpec **property_specs;
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GList *children;
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GstElement *child;
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gboolean have_flags;
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gint maxlevel = 0;
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element = gst_element_factory_create(factory,"element");
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if (!element) {
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g_print ("couldn't construct element for some reason\n");
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return -1;
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}
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gstobject_class = GST_OBJECT_CLASS (G_OBJECT_GET_CLASS (element));
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gstelement_class = GST_ELEMENT_CLASS (G_OBJECT_GET_CLASS (element));
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printf("Factory Details:\n");
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printf(" Long name:\t%s\n",factory->details->longname);
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printf(" Class:\t%s\n",factory->details->klass);
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printf(" Description:\t%s\n",factory->details->description);
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printf(" Version:\t%s\n",factory->details->version);
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printf(" Author(s):\t%s\n",factory->details->author);
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printf(" Copyright:\t%s\n",factory->details->copyright);
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printf("\n");
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output_hierarchy (G_OBJECT_TYPE (element), 0, &maxlevel);
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printf("Pad Templates:\n");
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if (factory->numpadtemplates) {
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pads = factory->padtemplates;
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while (pads) {
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padtemplate = (GstPadTemplate*)(pads->data);
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pads = g_list_next(pads);
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if (padtemplate->direction == GST_PAD_SRC)
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printf(" SRC template: '%s'\n",padtemplate->name_template);
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else if (padtemplate->direction == GST_PAD_SINK)
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printf(" SINK template: '%s'\n",padtemplate->name_template);
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else
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printf(" UNKNOWN!!! template: '%s'\n",padtemplate->name_template);
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if (padtemplate->presence == GST_PAD_ALWAYS)
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printf(" Availability: Always\n");
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else if (padtemplate->presence == GST_PAD_SOMETIMES)
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printf(" Availability: Sometimes\n");
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else if (padtemplate->presence == GST_PAD_REQUEST) {
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printf(" Availability: On request\n");
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printf(" Has request_new_pad() function: %s\n",
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GST_DEBUG_FUNCPTR_NAME(gstelement_class->request_new_pad));
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}
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else
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printf(" Availability: UNKNOWN!!!\n");
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if (padtemplate->caps) {
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printf(" Capabilities:\n");
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caps = padtemplate->caps;
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while (caps) {
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GstType *type;
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printf(" '%s':\n",caps->name);
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type = gst_type_find_by_id (caps->id);
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if (type)
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printf(" MIME type: '%s':\n",type->mime);
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else
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printf(" MIME type: 'unknown/unknown':\n");
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if (caps->properties)
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print_props(caps->properties," ");
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caps = caps->next;
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}
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}
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printf("\n");
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}
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} else
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printf(" none\n");
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have_flags = FALSE;
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printf("\nElement Flags:\n");
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if (GST_FLAG_IS_SET(element,GST_ELEMENT_COMPLEX)) {
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printf(" GST_ELEMENT_COMPLEX\n");
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have_flags = TRUE;
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}
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if (GST_FLAG_IS_SET(element,GST_ELEMENT_DECOUPLED)) {
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printf(" GST_ELEMENT_DECOUPLED\n");
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have_flags = TRUE;
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}
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if (GST_FLAG_IS_SET(element,GST_ELEMENT_THREAD_SUGGESTED)) {
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printf(" GST_ELEMENT_THREADSUGGESTED\n");
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have_flags = TRUE;
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}
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if (GST_FLAG_IS_SET(element,GST_ELEMENT_NO_SEEK)) {
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printf(" GST_ELEMENT_NO_SEEK\n");
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have_flags = TRUE;
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}
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if (!have_flags)
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printf(" no flags set\n");
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if (GST_IS_BIN (element)) {
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printf("\nBin Flags:\n");
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if (GST_FLAG_IS_SET(element,GST_BIN_FLAG_MANAGER)) {
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printf(" GST_BIN_FLAG_MANAGER\n");
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have_flags = TRUE;
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}
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if (GST_FLAG_IS_SET(element,GST_BIN_SELF_SCHEDULABLE)) {
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printf(" GST_BIN_SELF_SCHEDULABLE\n");
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have_flags = TRUE;
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}
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if (GST_FLAG_IS_SET(element,GST_BIN_FLAG_PREFER_COTHREADS)) {
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printf(" GST_BIN_FLAG_PREFER_COTHREADS\n");
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have_flags = TRUE;
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}
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if (!have_flags)
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printf(" no flags set\n");
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}
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printf("\nElement Implementation:\n");
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if (element->loopfunc)
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printf(" loopfunc()-based element: %s\n",GST_DEBUG_FUNCPTR_NAME(element->loopfunc));
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else
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printf(" No loopfunc(), must be chain-based or not configured yet\n");
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printf(" Has change_state() function: %s\n",
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GST_DEBUG_FUNCPTR_NAME(gstelement_class->change_state));
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#ifndef GST_DISABLE_LOADSAVE
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printf(" Has custom save_thyself() function: %s\n",
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GST_DEBUG_FUNCPTR_NAME(gstobject_class->save_thyself));
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printf(" Has custom restore_thyself() function: %s\n",
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GST_DEBUG_FUNCPTR_NAME(gstobject_class->restore_thyself));
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#endif
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have_flags = FALSE;
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printf("\nClocking Interaction:\n");
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if (element->setclockfunc) {
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printf(" element requires a clock\n");
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have_flags = TRUE;
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}
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if (element->getclockfunc) {
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GstClock *clock;
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clock = gst_element_get_clock (element);
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printf(" element provides a clock: %s\n", GST_OBJECT_NAME(clock));
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have_flags = TRUE;
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}
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if (!have_flags) {
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printf(" none\n");
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}
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printf("\nPads:\n");
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if (element->numpads) {
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pads = gst_element_get_pad_list(element);
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while (pads) {
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pad = GST_PAD(pads->data);
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pads = g_list_next(pads);
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realpad = GST_PAD_REALIZE(pad);
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if (gst_pad_get_direction(pad) == GST_PAD_SRC)
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printf(" SRC: '%s'",gst_pad_get_name(pad));
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else if (gst_pad_get_direction(pad) == GST_PAD_SINK)
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printf(" SINK: '%s'",gst_pad_get_name(pad));
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else
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printf(" UNKNOWN!!!: '%s'\n",gst_pad_get_name(pad));
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if (GST_IS_GHOST_PAD(pad))
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printf(", ghost of real pad %s:%s\n",GST_DEBUG_PAD_NAME(realpad));
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else
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printf("\n");
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printf(" Implementation:\n");
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if (realpad->chainfunc)
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printf(" Has chainfunc(): %s\n",GST_DEBUG_FUNCPTR_NAME(realpad->chainfunc));
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if (realpad->getfunc)
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printf(" Has getfunc(): %s\n",GST_DEBUG_FUNCPTR_NAME(realpad->getfunc));
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if (realpad->getregionfunc)
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printf(" Has getregionfunc(): %s\n",GST_DEBUG_FUNCPTR_NAME(realpad->getregionfunc));
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if (pad->padtemplate)
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printf(" Pad Template: '%s'\n",pad->padtemplate->name_template);
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if (realpad->caps) {
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printf(" Capabilities:\n");
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caps = realpad->caps;
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while (caps) {
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GstType *type;
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printf(" '%s':\n",caps->name);
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type = gst_type_find_by_id (caps->id);
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if (type)
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printf(" MIME type: '%s':\n",type->mime);
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else
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printf(" MIME type: 'unknown/unknown':\n");
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if (caps->properties)
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print_props(caps->properties," ");
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caps = caps->next;
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}
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}
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}
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} else
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printf(" none\n");
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property_specs = g_object_class_list_properties(G_OBJECT_GET_CLASS (element), &num_properties);
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printf("\nElement Arguments:\n");
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for (i=0;i<num_properties;i++) {
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GValue value = { 0, };
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GParamSpec *param = property_specs[i];
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if (param->flags & G_PARAM_READABLE) {
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g_value_init (&value, param->value_type);
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g_object_get_property (G_OBJECT (element), param->name, &value);
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}
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printf(" %-40.40s: ",param->name);
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switch (G_VALUE_TYPE (&value)) {
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case G_TYPE_STRING: printf("String (Default \"%s\")", g_value_get_string (&value));break;
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case G_TYPE_BOOLEAN: printf("Boolean (Default %s)", (g_value_get_boolean (&value)?"true":"false"));break;
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case G_TYPE_ULONG: printf("Unsigned Long (Default %lu)", g_value_get_ulong (&value));break;
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case G_TYPE_LONG: printf("Long (Default %ld)", g_value_get_long (&value));break;
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case G_TYPE_UINT: printf("Unsigned Integer (Default %u)", g_value_get_uint (&value));break;
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case G_TYPE_INT: printf("Integer (Default %d)", g_value_get_int (&value));break;
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case G_TYPE_FLOAT: printf("Float (Default %f)", g_value_get_float (&value));break;
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case G_TYPE_DOUBLE: printf("Double (Default %f)", g_value_get_double (&value));break;
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default:
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if (param->value_type == GST_TYPE_FILENAME)
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printf("Filename");
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else if (G_IS_PARAM_SPEC_ENUM (param)) {
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GEnumValue *values;
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guint j = 0;
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printf("Enum \"%s\" (default %d)", g_type_name (G_VALUE_TYPE (&value)),
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g_value_get_enum (&value));
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values = G_ENUM_CLASS (g_type_class_ref (param->value_type))->values;
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while (values[j].value_name) {
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printf("\n (%d): \t%s", values[j].value, values[j].value_nick);
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j++;
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}
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/* g_type_class_unref (ec); */
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}
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else
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printf("unknown %ld", param->value_type);
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break;
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}
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printf("\n");
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}
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/*
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g_free (args);
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*/
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if (num_properties == 0) g_print (" none\n");
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{
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guint *signals;
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guint nsignals;
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gint i;
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GSignalQuery *query;
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printf("\nElement Signals:\n");
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signals = g_signal_list_ids (G_OBJECT_TYPE (element), &nsignals);
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for (i=0; i<nsignals; i++) {
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gint n_params;
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GType return_type;
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const GType *param_types;
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gint j;
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query = g_new0(GSignalQuery,1);
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g_signal_query (signals[i], query);
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n_params = query->n_params;
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return_type = query->return_type;
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param_types = query->param_types;
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printf (" \"%s\" :\t %s user_function (%s* object, \n", query->signal_name, g_type_name (return_type),
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g_type_name (G_OBJECT_TYPE (element)));
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for (j=0; j<n_params; j++) {
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printf (" \t\t\t\t%s arg%d,\n", g_type_name (param_types[j]), j);
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}
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printf (" \t\t\t\tgpointer user_data);\n");
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}
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if (nsignals == 0) g_print (" none\n");
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}
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/* for compound elements */
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if (GST_IS_BIN(element)) {
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printf("\nChildren:\n");
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children = gst_bin_get_list(GST_BIN(element));
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if (!children)
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g_print (" none\n");
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else {
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while (children) {
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child = GST_ELEMENT (children->data);
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children = g_list_next (children);
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g_print(" %s\n",GST_ELEMENT_NAME(child));
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}
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}
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}
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return 0;
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}
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static void
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print_element_list (void)
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{
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GList *plugins;
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plugins = gst_plugin_get_list();
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while (plugins) {
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GList *features;
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GstPlugin *plugin;
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plugin = (GstPlugin*)(plugins->data);
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plugins = g_list_next (plugins);
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features = gst_plugin_get_feature_list (plugin);
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while (features) {
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GstPluginFeature *feature;
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feature = GST_PLUGIN_FEATURE (features->data);
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if (GST_IS_ELEMENT_FACTORY (feature)) {
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GstElementFactory *factory;
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factory = GST_ELEMENT_FACTORY (feature);
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printf("%s: %s: %s\n",plugin->name, GST_OBJECT_NAME (factory) ,factory->details->longname);
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}
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else if (GST_IS_AUTOPLUG_FACTORY (feature)) {
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GstAutoplugFactory *factory;
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factory = GST_AUTOPLUG_FACTORY (feature);
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printf("%s: %s: %s\n", plugin->name, GST_OBJECT_NAME (factory), factory->longdesc);
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}
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else if (GST_IS_TYPE_FACTORY (feature)) {
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GstTypeFactory *factory;
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factory = GST_TYPE_FACTORY (feature);
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printf("%s: %s: %s\n", plugin->name, factory->mime, factory->exts);
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if (factory->typefindfunc)
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printf(" Has typefind function: %s\n",GST_DEBUG_FUNCPTR_NAME(factory->typefindfunc));
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}
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else if (GST_IS_SCHEDULER_FACTORY (feature)) {
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GstSchedulerFactory *factory;
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factory = GST_SCHEDULER_FACTORY (feature);
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printf("%s: %s: %s\n", plugin->name, GST_OBJECT_NAME (factory), factory->longdesc);
|
|
}
|
|
else {
|
|
printf("%s: %s (%s)\n", plugin->name, gst_object_get_name (GST_OBJECT (feature)),
|
|
g_type_name (G_OBJECT_TYPE (feature)));
|
|
}
|
|
|
|
features = g_list_next (features);
|
|
}
|
|
}
|
|
}
|
|
|
|
static void
|
|
print_plugin_info (GstPlugin *plugin)
|
|
{
|
|
GList *features;
|
|
|
|
printf("Plugin Details:\n");
|
|
printf(" Name:\t\t%s\n",plugin->name);
|
|
printf(" Long Name:\t%s\n",plugin->longname);
|
|
printf(" Filename:\t%s\n",plugin->filename);
|
|
printf("\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);
|
|
printf(" %s: %s\n", GST_OBJECT_NAME (factory) ,factory->details->longname);
|
|
}
|
|
else if (GST_IS_AUTOPLUG_FACTORY (feature)) {
|
|
GstAutoplugFactory *factory;
|
|
|
|
factory = GST_AUTOPLUG_FACTORY (feature);
|
|
printf(" %s: %s\n", GST_OBJECT_NAME (factory), factory->longdesc);
|
|
}
|
|
else if (GST_IS_TYPE_FACTORY (feature)) {
|
|
GstTypeFactory *factory;
|
|
|
|
factory = GST_TYPE_FACTORY (feature);
|
|
printf(" %s: %s\n", factory->mime, factory->exts);
|
|
|
|
if (factory->typefindfunc)
|
|
printf(" Has typefind function: %s\n",GST_DEBUG_FUNCPTR_NAME(factory->typefindfunc));
|
|
}
|
|
else if (GST_IS_SCHEDULER_FACTORY (feature)) {
|
|
GstSchedulerFactory *factory;
|
|
|
|
factory = GST_SCHEDULER_FACTORY (feature);
|
|
printf(" %s: %s\n", GST_OBJECT_NAME (factory), factory->longdesc);
|
|
}
|
|
else {
|
|
printf(" %s (%s)\n", gst_object_get_name (GST_OBJECT (feature)),
|
|
g_type_name (G_OBJECT_TYPE (feature)));
|
|
}
|
|
|
|
|
|
features = g_list_next (features);
|
|
}
|
|
printf("\n");
|
|
}
|
|
|
|
|
|
int
|
|
main (int argc, char *argv[])
|
|
{
|
|
GstElementFactory *factory;
|
|
GstPlugin *plugin;
|
|
gchar *so;
|
|
|
|
gst_init(&argc,&argv);
|
|
|
|
/* 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")) {
|
|
printf("Usage: %s\t\t\tList all registered elements\n",argv[0]);
|
|
printf(" %s element-name\tShow element details\n",argv[0]);
|
|
printf(" %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 {
|
|
/* strip the .so */
|
|
so = strstr(argv[1],".so");
|
|
so[0] = '\0';
|
|
}
|
|
|
|
/* otherwise assume it's a plugin */
|
|
plugin = gst_plugin_find (argv[1]);
|
|
|
|
/* if there is such a plugin, print out info */
|
|
|
|
if (plugin) {
|
|
print_plugin_info(plugin);
|
|
|
|
} else {
|
|
printf("no such element or plugin '%s'\n",argv[1]);
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|