--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/gstreamer_core/gst/gstdebugutils.c Thu Dec 17 08:53:32 2009 +0200
@@ -0,0 +1,532 @@
+/* GStreamer
+ * Copyright (C) 2007 Stefan Kost <ensonic@users.sf.net>
+ *
+ * gstdebugutils.c: debugging and analysis utillities
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+/* TODO:
+ * edge [ constraint=false ];
+ * edge [ minlen=0 ];
+ * does not create spacial dependency
+ * node [ margin="0.02,0.01" ];
+ * space surrounding the label
+ */
+
+#include "gst_private.h"
+#include "gstdebugutils.h"
+
+#ifndef GST_DISABLE_GST_DEBUG
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <errno.h>
+
+#include "gstinfo.h"
+#include "gstbin.h"
+#include "gstobject.h"
+#include "gstghostpad.h"
+#include "gstpad.h"
+#include "gstutils.h"
+
+/*** PIPELINE GRAPHS **********************************************************/
+
+const gchar *priv_gst_dump_dot_dir; /* NULL *//* set from gst.c */
+
+extern GstClockTime _priv_gst_info_start_time;
+
+static gchar *
+debug_dump_make_object_name (GstObject * element)
+{
+ return g_strcanon (g_strdup_printf ("%s_%p", GST_OBJECT_NAME (element),
+ element), G_CSET_A_2_Z G_CSET_a_2_z G_CSET_DIGITS "_", '_');
+}
+
+static gchar *
+debug_dump_get_element_state (GstElement * element)
+{
+ gchar *state_name = NULL;
+ const gchar *state_icons = "~0-=>";
+ GstState state = 0, pending = 0;
+
+ gst_element_get_state (element, &state, &pending, 0);
+ if (pending == GST_STATE_VOID_PENDING) {
+ state_name = g_strdup_printf ("\\n[%c]", state_icons[state]);
+ } else {
+ state_name = g_strdup_printf ("\\n[%c]->[%c]", state_icons[state],
+ state_icons[pending]);
+ }
+ return state_name;
+}
+
+static gchar *
+debug_dump_get_element_params (GstElement * element)
+{
+ gchar *param_name = NULL;
+ GParamSpec **properties, *property;
+ GValue value = { 0, };
+ guint i, number_of_properties;
+ gchar *tmp, *value_str;
+
+ /* get paramspecs and show non-default properties */
+ properties =
+ g_object_class_list_properties (G_OBJECT_CLASS (GST_ELEMENT_GET_CLASS
+ (element)), &number_of_properties);
+ if (properties) {
+ for (i = 0; i < number_of_properties; i++) {
+ property = properties[i];
+
+ /* ski some properties */
+ if (!(property->flags & G_PARAM_READABLE))
+ continue;
+ if (!strcmp (property->name, "name"))
+ continue;
+
+ g_value_init (&value, property->value_type);
+ g_object_get_property (G_OBJECT (element), property->name, &value);
+ if (!(g_param_value_defaults (property, &value))) {
+ tmp = g_strdup_value_contents (&value);
+ value_str = g_strescape (tmp, NULL);
+ g_free (tmp);
+ if (param_name) {
+ tmp = param_name;
+ param_name = g_strdup_printf ("%s\\n%s=%s",
+ tmp, property->name, value_str);
+ g_free (tmp);
+ } else {
+ param_name = g_strdup_printf ("\\n%s=%s", property->name, value_str);
+ }
+ g_free (value_str);
+ }
+ g_value_unset (&value);
+ }
+ g_free (properties);
+ }
+ return param_name;
+}
+
+/*
+ * 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, FILE * out,
+ const gint indent)
+{
+ GstIterator *element_iter, *pad_iter;
+ gboolean elements_done, pads_done;
+ GstElement *element, *peer_element, *target_element;
+ GstPad *pad, *peer_pad, *target_pad;
+ GstPadDirection dir;
+ GstCaps *caps;
+ GstStructure *structure;
+ gboolean free_caps, free_media;
+ guint src_pads, sink_pads;
+ gchar *media = NULL;
+ gchar *pad_name, *element_name;
+ gchar *peer_pad_name, *peer_element_name;
+ gchar *target_pad_name, *target_element_name;
+ gchar *color_name;
+ gchar *state_name = NULL;
+ gchar *param_name = NULL;
+ gchar *spc = NULL;
+
+ spc = g_malloc (1 + indent * 2);
+ memset (spc, 32, indent * 2);
+ spc[indent * 2] = '\0';
+
+ element_iter = gst_bin_iterate_elements (bin);
+ elements_done = FALSE;
+ while (!elements_done) {
+ switch (gst_iterator_next (element_iter, (gpointer) & element)) {
+ case GST_ITERATOR_OK:
+ 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_element_params (GST_ELEMENT (element));
+ }
+ /* elements */
+ fprintf (out, "%ssubgraph cluster_%s {\n", spc, element_name);
+ fprintf (out, "%s fontname=\"Bitstream Vera Sans\";\n", spc);
+ fprintf (out, "%s fontsize=\"8\";\n", spc);
+ fprintf (out, "%s style=filled;\n", spc);
+ fprintf (out, "%s color=black;\n\n", spc);
+ fprintf (out, "%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;
+ }
+ g_free (element_name);
+
+ src_pads = sink_pads = 0;
+ if ((pad_iter = gst_element_iterate_pads (element))) {
+ pads_done = FALSE;
+ while (!pads_done) {
+ switch (gst_iterator_next (pad_iter, (gpointer) & pad)) {
+ case GST_ITERATOR_OK:
+ dir = gst_pad_get_direction (pad);
+ pad_name = debug_dump_make_object_name (GST_OBJECT (pad));
+ element_name =
+ debug_dump_make_object_name (GST_OBJECT (element));
+ if (GST_IS_GHOST_PAD (pad)) {
+ color_name =
+ (dir == GST_PAD_SRC) ? "#ffdddd" : ((dir ==
+ GST_PAD_SINK) ? "#ddddff" : "#ffffff");
+ } else {
+ color_name =
+ (dir == GST_PAD_SRC) ? "#ffaaaa" : ((dir ==
+ GST_PAD_SINK) ? "#aaaaff" : "#cccccc");
+ }
+ /* pads */
+ fprintf (out,
+ "%s %s_%s [color=black, fillcolor=\"%s\", label=\"%s\"];\n",
+ spc, element_name, pad_name, color_name,
+ GST_OBJECT_NAME (pad));
+
+ if (dir == GST_PAD_SRC)
+ src_pads++;
+ else if (dir == GST_PAD_SINK)
+ sink_pads++;
+ g_free (pad_name);
+ g_free (element_name);
+ gst_object_unref (pad);
+ break;
+ case GST_ITERATOR_RESYNC:
+ gst_iterator_resync (pad_iter);
+ break;
+ case GST_ITERATOR_ERROR:
+ case GST_ITERATOR_DONE:
+ pads_done = TRUE;
+ break;
+ }
+ }
+ gst_iterator_free (pad_iter);
+ }
+ if (GST_IS_BIN (element)) {
+ fprintf (out, "%s fillcolor=\"#ffffff\";\n", spc);
+ /* recurse */
+ debug_dump_element (GST_BIN (element), details, out, indent + 1);
+ } else {
+ if (src_pads && !sink_pads)
+ fprintf (out, "%s fillcolor=\"#ffaaaa\";\n", spc);
+ else if (!src_pads && sink_pads)
+ fprintf (out, "%s fillcolor=\"#aaaaff\";\n", spc);
+ else if (src_pads && sink_pads)
+ fprintf (out, "%s fillcolor=\"#aaffaa\";\n", spc);
+ else
+ fprintf (out, "%s fillcolor=\"#ffffff\";\n", spc);
+ }
+ fprintf (out, "%s}\n\n", spc);
+ if ((pad_iter = gst_element_iterate_pads (element))) {
+ pads_done = FALSE;
+ while (!pads_done) {
+ switch (gst_iterator_next (pad_iter, (gpointer) & pad)) {
+ case GST_ITERATOR_OK:
+ if (gst_pad_is_linked (pad)
+ && gst_pad_get_direction (pad) == GST_PAD_SRC) {
+ if ((peer_pad = gst_pad_get_peer (pad))) {
+ free_media = FALSE;
+ if ((details & GST_DEBUG_GRAPH_SHOW_MEDIA_TYPE) ||
+ (details & GST_DEBUG_GRAPH_SHOW_CAPS_DETAILS)
+ ) {
+ if ((caps = gst_pad_get_negotiated_caps (pad))) {
+ free_caps = TRUE;
+ } else {
+ free_caps = FALSE;
+ if (!(caps = (GstCaps *)
+ gst_pad_get_pad_template_caps (pad))) {
+ /* this should not happen */
+ media = "?";
+ }
+ }
+ if (caps) {
+ if (details & GST_DEBUG_GRAPH_SHOW_CAPS_DETAILS) {
+ gchar *tmp =
+ g_strdelimit (gst_caps_to_string (caps), ",",
+ '\n');
+
+ media = g_strescape (tmp, NULL);
+ free_media = TRUE;
+ g_free (tmp);
+ } else {
+ if (GST_CAPS_IS_SIMPLE (caps)) {
+ structure = gst_caps_get_structure (caps, 0);
+ media =
+ (gchar *) gst_structure_get_name (structure);
+ } else
+ media = "*";
+ }
+ if (free_caps) {
+ gst_caps_unref (caps);
+ }
+ }
+ }
+
+ pad_name = debug_dump_make_object_name (GST_OBJECT (pad));
+ element_name =
+ debug_dump_make_object_name (GST_OBJECT (element));
+ 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 = "";
+ }
+ /* pad link */
+ if (media) {
+ fprintf (out, "%s%s_%s -> %s_%s [label=\"%s\"]\n", spc,
+ element_name, pad_name, peer_element_name,
+ peer_pad_name, media);
+ if (free_media) {
+ g_free (media);
+ }
+ } else {
+ fprintf (out, "%s%s_%s -> %s_%s\n", spc,
+ element_name, pad_name, peer_element_name,
+ peer_pad_name);
+ }
+
+ if (GST_IS_GHOST_PAD (pad)) {
+ if ((target_pad =
+ gst_ghost_pad_get_target (GST_GHOST_PAD (pad)))) {
+ target_pad_name =
+ debug_dump_make_object_name (GST_OBJECT
+ (target_pad));
+ if ((target_element =
+ gst_pad_get_parent_element (target_pad))) {
+ target_element_name =
+ debug_dump_make_object_name (GST_OBJECT
+ (target_element));
+ } else {
+ target_element_name = "";
+ }
+ /* src ghostpad relationship */
+ fprintf (out, "%s%s_%s -> %s_%s [style=dashed]\n", spc,
+ target_element_name, target_pad_name, element_name,
+ pad_name);
+
+ g_free (target_pad_name);
+ if (target_element) {
+ g_free (target_element_name);
+ gst_object_unref (target_element);
+ }
+ gst_object_unref (target_pad);
+ }
+ }
+ if (GST_IS_GHOST_PAD (peer_pad)) {
+ if ((target_pad =
+ gst_ghost_pad_get_target (GST_GHOST_PAD
+ (peer_pad)))) {
+ target_pad_name =
+ debug_dump_make_object_name (GST_OBJECT
+ (target_pad));
+ if ((target_element =
+ gst_pad_get_parent_element (target_pad))) {
+ target_element_name =
+ debug_dump_make_object_name (GST_OBJECT
+ (target_element));
+ } else {
+ target_element_name = "";
+ }
+ /* sink ghostpad relationship */
+ fprintf (out, "%s%s_%s -> %s_%s [style=dashed]\n", spc,
+ peer_element_name, peer_pad_name,
+ target_element_name, target_pad_name);
+
+ g_free (target_pad_name);
+ if (target_element) {
+ g_free (target_element_name);
+ gst_object_unref (target_element);
+ }
+ gst_object_unref (target_pad);
+ }
+ }
+
+ g_free (pad_name);
+ g_free (element_name);
+ g_free (peer_pad_name);
+ if (peer_element) {
+ g_free (peer_element_name);
+ gst_object_unref (peer_element);
+ }
+ gst_object_unref (peer_pad);
+ }
+ }
+ gst_object_unref (pad);
+ break;
+ case GST_ITERATOR_RESYNC:
+ gst_iterator_resync (pad_iter);
+ break;
+ case GST_ITERATOR_ERROR:
+ case GST_ITERATOR_DONE:
+ pads_done = TRUE;
+ break;
+ }
+ }
+ gst_iterator_free (pad_iter);
+ }
+ gst_object_unref (element);
+ break;
+ case GST_ITERATOR_RESYNC:
+ gst_iterator_resync (element_iter);
+ break;
+ case GST_ITERATOR_ERROR:
+ case GST_ITERATOR_DONE:
+ elements_done = TRUE;
+ break;
+ }
+ }
+ gst_iterator_free (element_iter);
+ g_free (spc);
+}
+
+/*
+ * _gst_debug_bin_to_dot_file:
+ * @bin: the top-level pipeline that should be analyzed
+ * @file_name: 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>
+ */
+#ifdef __SYMBIAN32__
+EXPORT_C
+#endif
+
+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 *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_element_params (GST_ELEMENT (bin));
+ }
+
+ /* write header */
+ fprintf (out,
+ "digraph pipeline {\n"
+ " rankdir=LR;\n"
+ " fontname=\"Bitstream Vera Sans\";\n"
+ " fontsize=\"8\";\n"
+ " labelloc=t;\n"
+ " nodesep=.1;\n"
+ " ranksep=.2;\n"
+ " label=\"<%s>\\n%s%s%s\";\n"
+ " node [style=filled, shape=box, fontsize=\"7\", fontname=\"Bitstream Vera Sans\"];\n"
+ " edge [labelfontsize=\"7\", fontsize=\"7\", labelfontname=\"Bitstream Vera Sans\", fontname=\"Bitstream Vera Sans\"];\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);
+
+ debug_dump_element (bin, details, out, 1);
+
+ /* write footer */
+ fprintf (out, "}\n");
+ 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
+ * @file_name: 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.
+ */
+#ifdef __SYMBIAN32__
+EXPORT_C
+#endif
+
+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_info_start_time,
+ gst_util_get_timestamp ());
+ ts_file_name =
+ g_strdup_printf ("%" GST_TIME_FORMAT "-%s", GST_TIME_ARGS (elapsed),
+ file_name);
+
+ _gst_debug_bin_to_dot_file (bin, details, ts_file_name);
+ g_free (ts_file_name);
+}
+
+#endif /* GST_DISABLE_GST_DEBUG */