2 * Copyright (C) 2007 Stefan Kost <ensonic@users.sf.net>
4 * gstdebugutils.h: debugging and analysis utilities
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Library General Public
8 * License as published by the Free Software Foundation; either
9 * version 2 of the License, or (at your option) any later version.
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Library General Public License for more details.
16 * You should have received a copy of the GNU Library General Public
17 * License along with this library; if not, write to the
18 * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
19 * Boston, MA 02110-1301, USA.
22 #ifndef __GSTDEBUGUTILS_H__
23 #define __GSTDEBUGUTILS_H__
26 #include <glib-object.h>
27 #include <gst/gstconfig.h>
28 #include <gst/gstbin.h>
33 * GstDebugGraphDetails:
34 * @GST_DEBUG_GRAPH_SHOW_MEDIA_TYPE: show caps-name on edges
35 * @GST_DEBUG_GRAPH_SHOW_CAPS_DETAILS: show caps-details on edges
36 * @GST_DEBUG_GRAPH_SHOW_NON_DEFAULT_PARAMS: show modified parameters on
38 * @GST_DEBUG_GRAPH_SHOW_STATES: show element states
39 * @GST_DEBUG_GRAPH_SHOW_FULL_PARAMS: show full element parameter values even
40 * if they are very long
41 * @GST_DEBUG_GRAPH_SHOW_ALL: show all the typical details that one might want
42 * @GST_DEBUG_GRAPH_SHOW_VERBOSE: show all details regardless of how large or
43 * verbose they make the resulting output
45 * Available details for pipeline graphs produced by GST_DEBUG_BIN_TO_DOT_FILE()
46 * and GST_DEBUG_BIN_TO_DOT_FILE_WITH_TS().
48 /* FIXME: For GST_DEBUG_GRAPH_SHOW_VERBOSE ~0 -> 0xffffffff see
49 * https://bugzilla.gnome.org/show_bug.cgi?id=732633
52 GST_DEBUG_GRAPH_SHOW_MEDIA_TYPE = (1<<0),
53 GST_DEBUG_GRAPH_SHOW_CAPS_DETAILS = (1<<1),
54 GST_DEBUG_GRAPH_SHOW_NON_DEFAULT_PARAMS = (1<<2),
55 GST_DEBUG_GRAPH_SHOW_STATES = (1<<3),
56 GST_DEBUG_GRAPH_SHOW_FULL_PARAMS = (1<<4),
57 GST_DEBUG_GRAPH_SHOW_ALL = ((1<<4)-1),
58 GST_DEBUG_GRAPH_SHOW_VERBOSE = (gint) (0xffffffff)
59 } GstDebugGraphDetails;
62 /********** pipeline graphs **********/
65 gchar * gst_debug_bin_to_dot_data (GstBin *bin, GstDebugGraphDetails details);
68 void gst_debug_bin_to_dot_file (GstBin *bin, GstDebugGraphDetails details, const gchar *file_name);
71 void gst_debug_bin_to_dot_file_with_ts (GstBin *bin, GstDebugGraphDetails details, const gchar *file_name);
73 #ifndef GST_DISABLE_GST_DEBUG
76 * GST_DEBUG_BIN_TO_DOT_FILE:
77 * @bin: the top-level pipeline that should be analyzed
78 * @details: details to show in the graph, e.g. #GST_DEBUG_GRAPH_SHOW_ALL or
79 * one or more other #GstDebugGraphDetails flags.
80 * @file_name: output base filename (e.g. "myplayer")
82 * To aid debugging applications one can use this method to write out the whole
83 * network of gstreamer elements that form the pipeline into a dot file.
84 * This file can be processed with graphviz to get an image, like this:
87 * dot -Tpng -oimage.png graph_lowlevel.dot
90 * There is also a utility called [xdot] which allows you to view the dot file
91 * directly without converting it first.
93 * The macro is only active if the environment variable `GST_DEBUG_DUMP_DOT_DIR`
94 * is set to a basepath (e.g. `/tmp`), and the GStreamer debugging subsystem is
95 * enabled (i.e., no use of `./configure --disable-gst-debug`)
97 * [xdot]: https://pypi.org/project/xdot/
99 #define GST_DEBUG_BIN_TO_DOT_FILE(bin, details, file_name) gst_debug_bin_to_dot_file (bin, details, file_name)
102 * GST_DEBUG_BIN_TO_DOT_FILE_WITH_TS:
103 * @bin: the top-level pipeline that should be analyzed
104 * @details: details to show in the graph, e.g. #GST_DEBUG_GRAPH_SHOW_ALL or
105 * one or more other #GstDebugGraphDetails flags.
106 * @file_name: output base filename (e.g. "myplayer")
108 * This works like GST_DEBUG_BIN_TO_DOT_FILE(), but adds the current timestamp
109 * to the filename, so that it can be used to take multiple snapshots.
111 #define GST_DEBUG_BIN_TO_DOT_FILE_WITH_TS(bin, details, file_name) gst_debug_bin_to_dot_file_with_ts (bin, details, file_name)
114 #else /* GST_DISABLE_GST_DEBUG */
117 #define GST_DEBUG_BIN_TO_DOT_FILE(bin, details, file_name)
118 #define GST_DEBUG_BIN_TO_DOT_FILE_WITH_TS(bin, details, file_name)
120 #endif /* GST_DISABLE_GST_DEBUG */
124 #endif /* __GSTDEBUGUTILS_H__ */