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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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4a402c1c7d
Found via `codespell` https://bugzilla.gnome.org/show_bug.cgi?id=795610
924 lines
30 KiB
C
924 lines
30 KiB
C
/* GStreamer
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* Copyright (C) 2007 Stefan Kost <ensonic@users.sf.net>
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*
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* gstdebugutils.c: debugging and analysis utilities
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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/* TODO:
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* edge [ constraint=false ];
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* this creates strange graphs ("minlen=0" is better)
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* try putting src/sink ghostpads for each bin into invisible clusters
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*
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* for more compact nodes, try
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* - changing node-shape from box into record
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* - use labels like : element [ label="{element | <src> src | <sink> sink}"]
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* - point to record-connectors : element1:src -> element2:sink
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* - we use head/tail labels for pad-caps right now
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* - this does not work well, as dot seems to not look at their size when
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* doing the layout
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* - we could add the caps to the pad itself, then we should use one line per
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* caps (simple caps = one line)
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*/
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#include "gst_private.h"
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#include "gstdebugutils.h"
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#ifndef GST_DISABLE_GST_DEBUG
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#include <errno.h>
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#include "gstinfo.h"
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#include "gstbin.h"
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#include "gstobject.h"
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#include "gstghostpad.h"
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#include "gstpad.h"
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#include "gstutils.h"
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#include "gstvalue.h"
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/*** PIPELINE GRAPHS **********************************************************/
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extern const gchar *priv_gst_dump_dot_dir; /* NULL *//* set from gst.c */
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#define PARAM_MAX_LENGTH 80
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static const gchar spaces[] = {
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" " /* 32 */
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" " /* 64 */
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" " /* 96 */
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" " /* 128 */
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};
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#define MAKE_INDENT(indent) \
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&spaces[MAX (sizeof (spaces) - (1 + (indent) * 2), 0)]
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static gchar *
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debug_dump_make_object_name (GstObject * obj)
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{
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return g_strcanon (g_strdup_printf ("%s_%p", GST_OBJECT_NAME (obj), obj),
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G_CSET_A_2_Z G_CSET_a_2_z G_CSET_DIGITS "_", '_');
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}
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static gchar *
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debug_dump_get_element_state (GstElement * element)
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{
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gchar *state_name = NULL;
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const gchar *state_icons = "~0-=>";
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GstState state = GST_STATE_VOID_PENDING, pending = GST_STATE_VOID_PENDING;
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gst_element_get_state (element, &state, &pending, 0);
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if (pending == GST_STATE_VOID_PENDING) {
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gboolean is_locked = gst_element_is_locked_state (element);
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state_name = g_strdup_printf ("\\n[%c]%s", state_icons[state],
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(is_locked ? "(locked)" : ""));
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} else {
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state_name = g_strdup_printf ("\\n[%c] -> [%c]", state_icons[state],
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state_icons[pending]);
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}
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return state_name;
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}
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static gchar *
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debug_dump_get_object_params (GObject * object,
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GstDebugGraphDetails details, const char *const *ignored_propnames)
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{
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gchar *param_name = NULL;
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GParamSpec **properties, *property;
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GValue value = { 0, };
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guint i, number_of_properties;
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gchar *tmp, *value_str;
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const gchar *ellipses;
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/* get paramspecs and show non-default properties */
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properties =
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g_object_class_list_properties (G_OBJECT_GET_CLASS (object),
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&number_of_properties);
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if (properties) {
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for (i = 0; i < number_of_properties; i++) {
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gint j;
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gboolean ignore = FALSE;
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property = properties[i];
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/* skip some properties */
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if (!(property->flags & G_PARAM_READABLE))
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continue;
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if (!strcmp (property->name, "name"))
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continue;
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if (ignored_propnames)
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for (j = 0; ignored_propnames[j]; j++)
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if (!g_strcmp0 (ignored_propnames[j], property->name))
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ignore = TRUE;
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if (ignore)
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continue;
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g_value_init (&value, property->value_type);
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g_object_get_property (G_OBJECT (object), property->name, &value);
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if (!(g_param_value_defaults (property, &value))) {
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/* we need to serialise enums and flags ourselves to make sure the
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* enum/flag nick is used and not the enum/flag name, which would be the
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* C header enum/flag for public enums/flags, but for element-specific
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* enums/flags we abuse the name field for the property description,
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* and we don't want to print that in the dot file. The nick will
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* always work, and it's also shorter. */
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if (G_VALUE_HOLDS_ENUM (&value)) {
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GEnumClass *e_class = g_type_class_ref (G_VALUE_TYPE (&value));
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gint idx, e_val;
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tmp = NULL;
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e_val = g_value_get_enum (&value);
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for (idx = 0; idx < e_class->n_values; ++idx) {
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if (e_class->values[idx].value == e_val) {
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tmp = g_strdup (e_class->values[idx].value_nick);
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break;
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}
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}
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if (tmp == NULL) {
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g_value_unset (&value);
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continue;
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}
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} else if (G_VALUE_HOLDS_FLAGS (&value)) {
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GFlagsClass *f_class = g_type_class_ref (G_VALUE_TYPE (&value));
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GFlagsValue *vals = f_class->values;
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GString *s = NULL;
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guint idx, flags_left;
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s = g_string_new (NULL);
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/* we assume the values are sorted from lowest to highest value */
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flags_left = g_value_get_flags (&value);
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idx = f_class->n_values;
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while (idx > 0) {
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--idx;
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if (vals[idx].value != 0
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&& (flags_left & vals[idx].value) == vals[idx].value) {
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if (s->len > 0)
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g_string_prepend_c (s, '+');
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g_string_prepend (s, vals[idx].value_nick);
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flags_left -= vals[idx].value;
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if (flags_left == 0)
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break;
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}
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}
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if (s->len == 0)
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g_string_assign (s, "(none)");
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tmp = g_string_free (s, FALSE);
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} else {
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tmp = g_strdup_value_contents (&value);
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}
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value_str = g_strescape (tmp, NULL);
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g_free (tmp);
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/* too long, ellipsize */
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if (!(details & GST_DEBUG_GRAPH_SHOW_FULL_PARAMS) &&
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strlen (value_str) > PARAM_MAX_LENGTH)
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ellipses = "…";
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else
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ellipses = "";
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if (param_name)
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tmp = param_name;
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else
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tmp = (char *) "";
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if (details & GST_DEBUG_GRAPH_SHOW_FULL_PARAMS) {
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param_name = g_strdup_printf ("%s\\n%s=%s", tmp, property->name,
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value_str);
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} else {
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param_name = g_strdup_printf ("%s\\n%s=%."
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G_STRINGIFY (PARAM_MAX_LENGTH) "s%s", tmp, property->name,
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value_str, ellipses);
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}
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if (tmp[0] != '\0')
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g_free (tmp);
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g_free (value_str);
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}
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g_value_unset (&value);
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}
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g_free (properties);
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}
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return param_name;
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}
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static void
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debug_dump_pad (GstPad * pad, const gchar * color_name,
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const gchar * element_name, GstDebugGraphDetails details, GString * str,
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const gint indent)
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{
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GstPadTemplate *pad_templ;
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GstPadPresence presence;
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gchar *pad_name, *param_name = NULL;
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const gchar *style_name;
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static const char *const ignore_propnames[] =
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{ "parent", "direction", "template",
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"caps", NULL
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};
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const gchar *spc = MAKE_INDENT (indent);
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pad_name = debug_dump_make_object_name (GST_OBJECT (pad));
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/* pad availability */
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style_name = "filled,solid";
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if ((pad_templ = gst_pad_get_pad_template (pad))) {
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presence = GST_PAD_TEMPLATE_PRESENCE (pad_templ);
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gst_object_unref (pad_templ);
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if (presence == GST_PAD_SOMETIMES) {
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style_name = "filled,dotted";
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} else if (presence == GST_PAD_REQUEST) {
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style_name = "filled,dashed";
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}
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}
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param_name =
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debug_dump_get_object_params (G_OBJECT (pad), details, ignore_propnames);
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if (details & GST_DEBUG_GRAPH_SHOW_STATES) {
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gchar pad_flags[5];
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const gchar *activation_mode = "-><";
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const gchar *task_mode = "";
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GstTask *task;
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GST_OBJECT_LOCK (pad);
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task = GST_PAD_TASK (pad);
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if (task) {
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switch (gst_task_get_state (task)) {
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case GST_TASK_STARTED:
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task_mode = "[T]";
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break;
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case GST_TASK_PAUSED:
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task_mode = "[t]";
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break;
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default:
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/* Invalid task state, ignoring */
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break;
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}
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}
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GST_OBJECT_UNLOCK (pad);
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/* check if pad flags */
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pad_flags[0] =
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GST_OBJECT_FLAG_IS_SET (pad, GST_PAD_FLAG_BLOCKED) ? 'B' : 'b';
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pad_flags[1] =
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GST_OBJECT_FLAG_IS_SET (pad, GST_PAD_FLAG_FLUSHING) ? 'F' : 'f';
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pad_flags[2] =
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GST_OBJECT_FLAG_IS_SET (pad, GST_PAD_FLAG_BLOCKING) ? 'B' : 'b';
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pad_flags[3] = GST_OBJECT_FLAG_IS_SET (pad, GST_PAD_FLAG_EOS) ? 'E' : '\0';
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pad_flags[4] = '\0';
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g_string_append_printf (str,
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"%s %s_%s [color=black, fillcolor=\"%s\", label=\"%s%s\\n[%c][%s]%s\", height=\"0.2\", style=\"%s\"];\n",
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spc, element_name, pad_name, color_name, GST_OBJECT_NAME (pad),
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(param_name ? param_name : ""),
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activation_mode[pad->mode], pad_flags, task_mode, style_name);
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} else {
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g_string_append_printf (str,
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"%s %s_%s [color=black, fillcolor=\"%s\", label=\"%s%s\", height=\"0.2\", style=\"%s\"];\n",
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spc, element_name, pad_name, color_name, GST_OBJECT_NAME (pad),
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(param_name ? param_name : ""), style_name);
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}
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g_free (param_name);
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g_free (pad_name);
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}
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static void
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debug_dump_element_pad (GstPad * pad, GstElement * element,
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GstDebugGraphDetails details, GString * str, const gint indent)
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{
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GstElement *target_element;
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GstPad *target_pad, *tmp_pad;
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GstPadDirection dir;
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gchar *element_name;
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gchar *target_element_name;
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const gchar *color_name;
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dir = gst_pad_get_direction (pad);
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element_name = debug_dump_make_object_name (GST_OBJECT (element));
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if (GST_IS_GHOST_PAD (pad)) {
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color_name =
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(dir == GST_PAD_SRC) ? "#ffdddd" : ((dir ==
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GST_PAD_SINK) ? "#ddddff" : "#ffffff");
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/* output target-pad so that it belongs to this element */
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if ((tmp_pad = gst_ghost_pad_get_target (GST_GHOST_PAD (pad)))) {
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if ((target_pad = gst_pad_get_peer (tmp_pad))) {
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gchar *pad_name, *target_pad_name;
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const gchar *spc = MAKE_INDENT (indent);
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if ((target_element = gst_pad_get_parent_element (target_pad))) {
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target_element_name =
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debug_dump_make_object_name (GST_OBJECT (target_element));
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} else {
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target_element_name = g_strdup ("");
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}
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debug_dump_pad (target_pad, color_name, target_element_name, details,
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str, indent);
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/* src ghostpad relationship */
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pad_name = debug_dump_make_object_name (GST_OBJECT (pad));
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target_pad_name = debug_dump_make_object_name (GST_OBJECT (target_pad));
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if (dir == GST_PAD_SRC) {
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g_string_append_printf (str,
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"%s%s_%s -> %s_%s [style=dashed, minlen=0]\n", spc,
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target_element_name, target_pad_name, element_name, pad_name);
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} else {
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g_string_append_printf (str,
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"%s%s_%s -> %s_%s [style=dashed, minlen=0]\n", spc,
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element_name, pad_name, target_element_name, target_pad_name);
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}
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g_free (target_pad_name);
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g_free (target_element_name);
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if (target_element)
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gst_object_unref (target_element);
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gst_object_unref (target_pad);
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g_free (pad_name);
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}
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gst_object_unref (tmp_pad);
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}
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} else {
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color_name =
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(dir == GST_PAD_SRC) ? "#ffaaaa" : ((dir ==
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GST_PAD_SINK) ? "#aaaaff" : "#cccccc");
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}
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/* pads */
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debug_dump_pad (pad, color_name, element_name, details, str, indent);
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g_free (element_name);
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}
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static gboolean
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string_append_field (GQuark field, const GValue * value, gpointer ptr)
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{
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GString *str = (GString *) ptr;
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gchar *value_str = gst_value_serialize (value);
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gchar *esc_value_str;
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if (value_str == NULL) {
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g_string_append_printf (str, " %18s: NULL\\l", g_quark_to_string (field));
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return TRUE;
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}
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/* some enums can become really long */
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if (strlen (value_str) > 25) {
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gint pos = 24;
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/* truncate */
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value_str[25] = '\0';
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/* mirror any brackets and quotes */
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if (value_str[0] == '<')
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value_str[pos--] = '>';
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if (value_str[0] == '[')
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value_str[pos--] = ']';
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if (value_str[0] == '(')
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value_str[pos--] = ')';
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if (value_str[0] == '{')
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value_str[pos--] = '}';
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if (value_str[0] == '"')
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value_str[pos--] = '"';
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if (pos != 24)
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value_str[pos--] = ' ';
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/* elippsize */
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value_str[pos--] = '.';
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value_str[pos--] = '.';
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value_str[pos--] = '.';
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}
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esc_value_str = g_strescape (value_str, NULL);
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g_string_append_printf (str, " %18s: %s\\l", g_quark_to_string (field),
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esc_value_str);
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g_free (value_str);
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g_free (esc_value_str);
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return TRUE;
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}
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static gchar *
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debug_dump_describe_caps (GstCaps * caps, GstDebugGraphDetails details)
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{
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gchar *media = NULL;
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if (details & GST_DEBUG_GRAPH_SHOW_CAPS_DETAILS) {
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if (gst_caps_is_any (caps) || gst_caps_is_empty (caps)) {
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media = gst_caps_to_string (caps);
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} else {
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GString *str = NULL;
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guint i;
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guint slen = 0;
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for (i = 0; i < gst_caps_get_size (caps); i++) {
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slen += 25 +
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STRUCTURE_ESTIMATED_STRING_LEN (gst_caps_get_structure (caps, i));
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}
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str = g_string_sized_new (slen);
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for (i = 0; i < gst_caps_get_size (caps); i++) {
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GstCapsFeatures *features = __gst_caps_get_features_unchecked (caps, i);
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GstStructure *structure = gst_caps_get_structure (caps, i);
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g_string_append (str, gst_structure_get_name (structure));
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if (features && (gst_caps_features_is_any (features)
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|| !gst_caps_features_is_equal (features,
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GST_CAPS_FEATURES_MEMORY_SYSTEM_MEMORY))) {
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g_string_append_c (str, '(');
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priv_gst_caps_features_append_to_gstring (features, str);
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g_string_append_c (str, ')');
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}
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g_string_append (str, "\\l");
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gst_structure_foreach (structure, string_append_field, (gpointer) str);
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}
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media = g_string_free (str, FALSE);
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}
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} else {
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if (GST_CAPS_IS_SIMPLE (caps))
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media =
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g_strdup (gst_structure_get_name (gst_caps_get_structure (caps, 0)));
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else
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media = g_strdup ("*");
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}
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return media;
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}
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static void
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debug_dump_element_pad_link (GstPad * pad, GstElement * element,
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GstDebugGraphDetails details, GString * str, const gint indent)
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{
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GstElement *peer_element;
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GstPad *peer_pad;
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GstCaps *caps, *peer_caps;
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gchar *media = NULL;
|
|
gchar *media_src = NULL, *media_sink = NULL;
|
|
gchar *pad_name, *element_name;
|
|
gchar *peer_pad_name, *peer_element_name;
|
|
const gchar *spc = MAKE_INDENT (indent);
|
|
|
|
if ((peer_pad = gst_pad_get_peer (pad))) {
|
|
if ((details & GST_DEBUG_GRAPH_SHOW_MEDIA_TYPE) ||
|
|
(details & GST_DEBUG_GRAPH_SHOW_CAPS_DETAILS)
|
|
) {
|
|
caps = gst_pad_get_current_caps (pad);
|
|
if (!caps)
|
|
caps = gst_pad_get_pad_template_caps (pad);
|
|
peer_caps = gst_pad_get_current_caps (peer_pad);
|
|
if (!peer_caps)
|
|
peer_caps = gst_pad_get_pad_template_caps (peer_pad);
|
|
|
|
media = debug_dump_describe_caps (caps, details);
|
|
/* check if peer caps are different */
|
|
if (peer_caps && !gst_caps_is_equal (caps, peer_caps)) {
|
|
gchar *tmp;
|
|
|
|
tmp = debug_dump_describe_caps (peer_caps, details);
|
|
if (gst_pad_get_direction (pad) == GST_PAD_SRC) {
|
|
media_src = media;
|
|
media_sink = tmp;
|
|
} else {
|
|
media_src = tmp;
|
|
media_sink = media;
|
|
}
|
|
media = NULL;
|
|
}
|
|
gst_caps_unref (peer_caps);
|
|
gst_caps_unref (caps);
|
|
}
|
|
|
|
pad_name = debug_dump_make_object_name (GST_OBJECT (pad));
|
|
if (element) {
|
|
element_name = debug_dump_make_object_name (GST_OBJECT (element));
|
|
} else {
|
|
element_name = g_strdup ("");
|
|
}
|
|
peer_pad_name = debug_dump_make_object_name (GST_OBJECT (peer_pad));
|
|
if ((peer_element = gst_pad_get_parent_element (peer_pad))) {
|
|
peer_element_name =
|
|
debug_dump_make_object_name (GST_OBJECT (peer_element));
|
|
} else {
|
|
peer_element_name = g_strdup ("");
|
|
}
|
|
|
|
/* pad link */
|
|
if (media) {
|
|
g_string_append_printf (str, "%s%s_%s -> %s_%s [label=\"%s\"]\n", spc,
|
|
element_name, pad_name, peer_element_name, peer_pad_name, media);
|
|
g_free (media);
|
|
} else if (media_src && media_sink) {
|
|
/* dot has some issues with placement of head and taillabels,
|
|
* we need an empty label to make space */
|
|
g_string_append_printf (str,
|
|
"%s%s_%s -> %s_%s [labeldistance=\"10\", labelangle=\"0\", "
|
|
"label=\" \", "
|
|
"taillabel=\"%s\", headlabel=\"%s\"]\n",
|
|
spc, element_name, pad_name, peer_element_name, peer_pad_name,
|
|
media_src, media_sink);
|
|
g_free (media_src);
|
|
g_free (media_sink);
|
|
} else {
|
|
g_string_append_printf (str, "%s%s_%s -> %s_%s\n", spc,
|
|
element_name, pad_name, peer_element_name, peer_pad_name);
|
|
}
|
|
|
|
g_free (pad_name);
|
|
g_free (element_name);
|
|
g_free (peer_pad_name);
|
|
g_free (peer_element_name);
|
|
if (peer_element)
|
|
gst_object_unref (peer_element);
|
|
gst_object_unref (peer_pad);
|
|
}
|
|
}
|
|
|
|
static void
|
|
debug_dump_element_pads (GstIterator * pad_iter, GstPad * pad,
|
|
GstElement * element, GstDebugGraphDetails details, GString * str,
|
|
const gint indent, guint * num_pads, gchar * cluster_name,
|
|
gchar ** first_pad_name)
|
|
{
|
|
GValue item = { 0, };
|
|
gboolean pads_done;
|
|
const gchar *spc = MAKE_INDENT (indent);
|
|
|
|
pads_done = FALSE;
|
|
while (!pads_done) {
|
|
switch (gst_iterator_next (pad_iter, &item)) {
|
|
case GST_ITERATOR_OK:
|
|
pad = g_value_get_object (&item);
|
|
if (!*num_pads) {
|
|
g_string_append_printf (str, "%ssubgraph cluster_%s {\n", spc,
|
|
cluster_name);
|
|
g_string_append_printf (str, "%s label=\"\";\n", spc);
|
|
g_string_append_printf (str, "%s style=\"invis\";\n", spc);
|
|
(*first_pad_name) = debug_dump_make_object_name (GST_OBJECT (pad));
|
|
}
|
|
debug_dump_element_pad (pad, element, details, str, indent);
|
|
(*num_pads)++;
|
|
g_value_reset (&item);
|
|
break;
|
|
case GST_ITERATOR_RESYNC:
|
|
gst_iterator_resync (pad_iter);
|
|
break;
|
|
case GST_ITERATOR_ERROR:
|
|
case GST_ITERATOR_DONE:
|
|
pads_done = TRUE;
|
|
break;
|
|
}
|
|
}
|
|
if (*num_pads) {
|
|
g_string_append_printf (str, "%s}\n\n", spc);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* debug_dump_element:
|
|
* @bin: the bin that should be analyzed
|
|
* @out: file to write to
|
|
* @indent: level of graph indentation
|
|
*
|
|
* Helper for gst_debug_bin_to_dot_file() to recursively dump a pipeline.
|
|
*/
|
|
static void
|
|
debug_dump_element (GstBin * bin, GstDebugGraphDetails details,
|
|
GString * str, const gint indent)
|
|
{
|
|
GstIterator *element_iter, *pad_iter;
|
|
gboolean elements_done, pads_done;
|
|
GValue item = { 0, };
|
|
GValue item2 = { 0, };
|
|
GstElement *element;
|
|
GstPad *pad = NULL;
|
|
guint src_pads, sink_pads;
|
|
gchar *src_pad_name = NULL, *sink_pad_name = NULL;
|
|
gchar *element_name;
|
|
gchar *state_name = NULL;
|
|
gchar *param_name = NULL;
|
|
const gchar *spc = MAKE_INDENT (indent);
|
|
|
|
element_iter = gst_bin_iterate_elements (bin);
|
|
elements_done = FALSE;
|
|
while (!elements_done) {
|
|
switch (gst_iterator_next (element_iter, &item)) {
|
|
case GST_ITERATOR_OK:
|
|
element = g_value_get_object (&item);
|
|
element_name = debug_dump_make_object_name (GST_OBJECT (element));
|
|
|
|
if (details & GST_DEBUG_GRAPH_SHOW_STATES) {
|
|
state_name = debug_dump_get_element_state (GST_ELEMENT (element));
|
|
}
|
|
if (details & GST_DEBUG_GRAPH_SHOW_NON_DEFAULT_PARAMS) {
|
|
param_name = debug_dump_get_object_params (G_OBJECT (element),
|
|
details, NULL);
|
|
}
|
|
/* elements */
|
|
g_string_append_printf (str, "%ssubgraph cluster_%s {\n", spc,
|
|
element_name);
|
|
g_string_append_printf (str, "%s fontname=\"Bitstream Vera Sans\";\n",
|
|
spc);
|
|
g_string_append_printf (str, "%s fontsize=\"8\";\n", spc);
|
|
g_string_append_printf (str, "%s style=\"filled,rounded\";\n", spc);
|
|
g_string_append_printf (str, "%s color=black;\n", spc);
|
|
g_string_append_printf (str, "%s label=\"%s\\n%s%s%s\";\n", spc,
|
|
G_OBJECT_TYPE_NAME (element), GST_OBJECT_NAME (element),
|
|
(state_name ? state_name : ""), (param_name ? param_name : "")
|
|
);
|
|
if (state_name) {
|
|
g_free (state_name);
|
|
state_name = NULL;
|
|
}
|
|
if (param_name) {
|
|
g_free (param_name);
|
|
param_name = NULL;
|
|
}
|
|
|
|
src_pads = sink_pads = 0;
|
|
if ((pad_iter = gst_element_iterate_sink_pads (element))) {
|
|
gchar *cluster_name = g_strdup_printf ("%s_sink", element_name);
|
|
debug_dump_element_pads (pad_iter, pad, element, details, str,
|
|
indent + 1, &sink_pads, cluster_name, &sink_pad_name);
|
|
g_free (cluster_name);
|
|
gst_iterator_free (pad_iter);
|
|
}
|
|
if ((pad_iter = gst_element_iterate_src_pads (element))) {
|
|
gchar *cluster_name = g_strdup_printf ("%s_src", element_name);
|
|
debug_dump_element_pads (pad_iter, pad, element, details, str,
|
|
indent + 1, &src_pads, cluster_name, &src_pad_name);
|
|
g_free (cluster_name);
|
|
gst_iterator_free (pad_iter);
|
|
}
|
|
if (sink_pads && src_pads) {
|
|
/* add invisible link from first sink to first src pad */
|
|
g_string_append_printf (str,
|
|
"%s %s_%s -> %s_%s [style=\"invis\"];\n",
|
|
spc, element_name, sink_pad_name, element_name, src_pad_name);
|
|
}
|
|
g_free (sink_pad_name);
|
|
g_free (src_pad_name);
|
|
g_free (element_name);
|
|
sink_pad_name = src_pad_name = NULL;
|
|
if (GST_IS_BIN (element)) {
|
|
g_string_append_printf (str, "%s fillcolor=\"#ffffff\";\n", spc);
|
|
/* recurse */
|
|
debug_dump_element (GST_BIN (element), details, str, indent + 1);
|
|
} else {
|
|
if (src_pads && !sink_pads)
|
|
g_string_append_printf (str, "%s fillcolor=\"#ffaaaa\";\n", spc);
|
|
else if (!src_pads && sink_pads)
|
|
g_string_append_printf (str, "%s fillcolor=\"#aaaaff\";\n", spc);
|
|
else if (src_pads && sink_pads)
|
|
g_string_append_printf (str, "%s fillcolor=\"#aaffaa\";\n", spc);
|
|
else
|
|
g_string_append_printf (str, "%s fillcolor=\"#ffffff\";\n", spc);
|
|
}
|
|
g_string_append_printf (str, "%s}\n\n", spc);
|
|
if ((pad_iter = gst_element_iterate_pads (element))) {
|
|
pads_done = FALSE;
|
|
while (!pads_done) {
|
|
switch (gst_iterator_next (pad_iter, &item2)) {
|
|
case GST_ITERATOR_OK:
|
|
pad = g_value_get_object (&item2);
|
|
if (gst_pad_is_linked (pad)) {
|
|
if (gst_pad_get_direction (pad) == GST_PAD_SRC) {
|
|
debug_dump_element_pad_link (pad, element, details, str,
|
|
indent);
|
|
} else {
|
|
GstPad *peer_pad = gst_pad_get_peer (pad);
|
|
|
|
if (peer_pad) {
|
|
if (!GST_IS_GHOST_PAD (peer_pad)
|
|
&& GST_IS_PROXY_PAD (peer_pad)) {
|
|
debug_dump_element_pad_link (peer_pad, NULL, details,
|
|
str, indent);
|
|
}
|
|
gst_object_unref (peer_pad);
|
|
}
|
|
}
|
|
}
|
|
g_value_reset (&item2);
|
|
break;
|
|
case GST_ITERATOR_RESYNC:
|
|
gst_iterator_resync (pad_iter);
|
|
break;
|
|
case GST_ITERATOR_ERROR:
|
|
case GST_ITERATOR_DONE:
|
|
pads_done = TRUE;
|
|
break;
|
|
}
|
|
}
|
|
g_value_unset (&item2);
|
|
gst_iterator_free (pad_iter);
|
|
}
|
|
g_value_reset (&item);
|
|
break;
|
|
case GST_ITERATOR_RESYNC:
|
|
gst_iterator_resync (element_iter);
|
|
break;
|
|
case GST_ITERATOR_ERROR:
|
|
case GST_ITERATOR_DONE:
|
|
elements_done = TRUE;
|
|
break;
|
|
}
|
|
}
|
|
|
|
g_value_unset (&item);
|
|
gst_iterator_free (element_iter);
|
|
}
|
|
|
|
static void
|
|
debug_dump_header (GstBin * bin, GstDebugGraphDetails details, GString * str)
|
|
{
|
|
gchar *state_name = NULL;
|
|
gchar *param_name = NULL;
|
|
|
|
if (details & GST_DEBUG_GRAPH_SHOW_STATES) {
|
|
state_name = debug_dump_get_element_state (GST_ELEMENT (bin));
|
|
}
|
|
if (details & GST_DEBUG_GRAPH_SHOW_NON_DEFAULT_PARAMS) {
|
|
param_name = debug_dump_get_object_params (G_OBJECT (bin), details, NULL);
|
|
}
|
|
|
|
/* write header */
|
|
g_string_append_printf (str,
|
|
"digraph pipeline {\n"
|
|
" rankdir=LR;\n"
|
|
" fontname=\"sans\";\n"
|
|
" fontsize=\"10\";\n"
|
|
" labelloc=t;\n"
|
|
" nodesep=.1;\n"
|
|
" ranksep=.2;\n"
|
|
" label=\"<%s>\\n%s%s%s\";\n"
|
|
" node [style=\"filled,rounded\", shape=box, fontsize=\"9\", fontname=\"sans\", margin=\"0.0,0.0\"];\n"
|
|
" edge [labelfontsize=\"6\", fontsize=\"9\", fontname=\"monospace\"];\n"
|
|
" \n"
|
|
" legend [\n"
|
|
" pos=\"0,0!\",\n"
|
|
" margin=\"0.05,0.05\",\n"
|
|
" style=\"filled\",\n"
|
|
" label=\"Legend\\lElement-States: [~] void-pending, [0] null, [-] ready, [=] paused, [>] playing\\lPad-Activation: [-] none, [>] push, [<] pull\\lPad-Flags: [b]locked, [f]lushing, [b]locking, [E]OS; upper-case is set\\lPad-Task: [T] has started task, [t] has paused task\\l\",\n"
|
|
" ];"
|
|
"\n", G_OBJECT_TYPE_NAME (bin), GST_OBJECT_NAME (bin),
|
|
(state_name ? state_name : ""), (param_name ? param_name : "")
|
|
);
|
|
|
|
if (state_name)
|
|
g_free (state_name);
|
|
if (param_name)
|
|
g_free (param_name);
|
|
}
|
|
|
|
static void
|
|
debug_dump_footer (GString * str)
|
|
{
|
|
g_string_append_printf (str, "}\n");
|
|
}
|
|
|
|
/**
|
|
* gst_debug_bin_to_dot_data:
|
|
* @bin: the top-level pipeline that should be analyzed
|
|
* @details: type of #GstDebugGraphDetails to use
|
|
*
|
|
* To aid debugging applications one can use this method to obtain the whole
|
|
* network of gstreamer elements that form the pipeline into an dot file.
|
|
* This data can be processed with graphviz to get an image.
|
|
*
|
|
* Returns: (transfer full): a string containing the pipeline in graphviz
|
|
* dot format.
|
|
*/
|
|
gchar *
|
|
gst_debug_bin_to_dot_data (GstBin * bin, GstDebugGraphDetails details)
|
|
{
|
|
GString *str;
|
|
|
|
g_return_val_if_fail (GST_IS_BIN (bin), NULL);
|
|
|
|
str = g_string_new (NULL);
|
|
|
|
debug_dump_header (bin, details, str);
|
|
debug_dump_element (bin, details, str, 1);
|
|
debug_dump_footer (str);
|
|
|
|
return g_string_free (str, FALSE);
|
|
}
|
|
|
|
/**
|
|
* gst_debug_bin_to_dot_file:
|
|
* @bin: the top-level pipeline that should be analyzed
|
|
* @details: type of #GstDebugGraphDetails to use
|
|
* @file_name: (type filename): output base filename (e.g. "myplayer")
|
|
*
|
|
* To aid debugging applications one can use this method to write out the whole
|
|
* network of gstreamer elements that form the pipeline into an dot file.
|
|
* This file can be processed with graphviz to get an image.
|
|
* <informalexample><programlisting>
|
|
* dot -Tpng -oimage.png graph_lowlevel.dot
|
|
* </programlisting></informalexample>
|
|
*/
|
|
void
|
|
gst_debug_bin_to_dot_file (GstBin * bin, GstDebugGraphDetails details,
|
|
const gchar * file_name)
|
|
{
|
|
gchar *full_file_name = NULL;
|
|
FILE *out;
|
|
|
|
g_return_if_fail (GST_IS_BIN (bin));
|
|
|
|
if (G_LIKELY (priv_gst_dump_dot_dir == NULL))
|
|
return;
|
|
|
|
if (!file_name) {
|
|
file_name = g_get_application_name ();
|
|
if (!file_name)
|
|
file_name = "unnamed";
|
|
}
|
|
|
|
full_file_name = g_strdup_printf ("%s" G_DIR_SEPARATOR_S "%s.dot",
|
|
priv_gst_dump_dot_dir, file_name);
|
|
|
|
if ((out = fopen (full_file_name, "wb"))) {
|
|
gchar *buf;
|
|
|
|
buf = gst_debug_bin_to_dot_data (bin, details);
|
|
fputs (buf, out);
|
|
|
|
g_free (buf);
|
|
fclose (out);
|
|
|
|
GST_INFO ("wrote bin graph to : '%s'", full_file_name);
|
|
} else {
|
|
GST_WARNING ("Failed to open file '%s' for writing: %s", full_file_name,
|
|
g_strerror (errno));
|
|
}
|
|
g_free (full_file_name);
|
|
}
|
|
|
|
/**
|
|
* gst_debug_bin_to_dot_file_with_ts:
|
|
* @bin: the top-level pipeline that should be analyzed
|
|
* @details: type of #GstDebugGraphDetails to use
|
|
* @file_name: (type filename): output base filename (e.g. "myplayer")
|
|
*
|
|
* This works like gst_debug_bin_to_dot_file(), but adds the current timestamp
|
|
* to the filename, so that it can be used to take multiple snapshots.
|
|
*/
|
|
void
|
|
gst_debug_bin_to_dot_file_with_ts (GstBin * bin,
|
|
GstDebugGraphDetails details, const gchar * file_name)
|
|
{
|
|
gchar *ts_file_name = NULL;
|
|
GstClockTime elapsed;
|
|
|
|
g_return_if_fail (GST_IS_BIN (bin));
|
|
|
|
if (!file_name) {
|
|
file_name = g_get_application_name ();
|
|
if (!file_name)
|
|
file_name = "unnamed";
|
|
}
|
|
|
|
/* add timestamp */
|
|
elapsed = GST_CLOCK_DIFF (_priv_gst_start_time, gst_util_get_timestamp ());
|
|
|
|
/* we don't use GST_TIME_FORMAT as such filenames would fail on some
|
|
* filesystems like fat */
|
|
ts_file_name =
|
|
g_strdup_printf ("%u.%02u.%02u.%09u-%s", GST_TIME_ARGS (elapsed),
|
|
file_name);
|
|
|
|
gst_debug_bin_to_dot_file (bin, details, ts_file_name);
|
|
g_free (ts_file_name);
|
|
}
|
|
#else /* !GST_DISABLE_GST_DEBUG */
|
|
#ifndef GST_REMOVE_DISABLED
|
|
void
|
|
gst_debug_bin_to_dot_file (GstBin * bin, GstDebugGraphDetails details,
|
|
const gchar * file_name)
|
|
{
|
|
}
|
|
|
|
void
|
|
gst_debug_bin_to_dot_file_with_ts (GstBin * bin, GstDebugGraphDetails details,
|
|
const gchar * file_name)
|
|
{
|
|
}
|
|
#endif /* GST_REMOVE_DISABLED */
|
|
#endif /* GST_DISABLE_GST_DEBUG */
|