gstreamer/gst/gstdebugutils.h

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/* GStreamer
* Copyright (C) 2007 Stefan Kost <ensonic@users.sf.net>
*
* gstdebugutils.h: 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.
*/
#ifndef __GSTDEBUGUTILS_H__
#define __GSTDEBUGUTILS_H__
#include <glib.h>
#include <glib-object.h>
#include <gst/gstconfig.h>
#include <gst/gstbin.h>
G_BEGIN_DECLS
/**
* GstDebugGraphDetails:
* @GST_DEBUG_GRAPH_SHOW_MEDIA_TYPE: show caps-name on edges
* @GST_DEBUG_GRAPH_SHOW_CAPS_DETAILS: show caps-details on edges
* @GST_DEBUG_GRAPH_SHOW_NON_DEFAULT_PARAMS: show modified parameters on elements
* @GST_DEBUG_GRAPH_SHOW_STATES: show element states
* @GST_DEBUG_GRAPH_SHOW_ALL: show all details
*
* Available details for pipeline graphs produced by GST_DEBUG_BIN_TO_DOT_FILE()
* and GST_DEBUG_BIN_TO_DOT_FILE_WITH_TS().
*
* Since: 0.10.15
*/
typedef enum {
GST_DEBUG_GRAPH_SHOW_MEDIA_TYPE = (1<<0),
GST_DEBUG_GRAPH_SHOW_CAPS_DETAILS = (1<<1),
GST_DEBUG_GRAPH_SHOW_NON_DEFAULT_PARAMS = (1<<2),
GST_DEBUG_GRAPH_SHOW_STATES = (1<<3),
GST_DEBUG_GRAPH_SHOW_ALL = ((1<<4)-1)
} GstDebugGraphDetails;
#ifndef GST_DISABLE_GST_DEBUG
/********** pipeline graphs **********/
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);
/**
* GST_DEBUG_BIN_TO_DOT_FILE:
* @bin: the top-level pipeline that should be analyzed
* @details: details to show in the graph, e.g. #GST_DEBUG_GRAPH_SHOW_ALL or
* one or more other #GstDebugGraphDetails flags.
* @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>
*
* The macro is only active if gstreamer is configured with
* &quot;--gst-enable-gst-debug&quot; and the environment variable
* GST_DEBUG_DUMP_DOT_DIR is set to a basepath (e.g. /tmp).
*
* Since: 0.10.15
*/
#define GST_DEBUG_BIN_TO_DOT_FILE(bin, details, file_name) _gst_debug_bin_to_dot_file (bin, details, file_name)
/**
* GST_DEBUG_BIN_TO_DOT_FILE_WITH_TS:
* @bin: the top-level pipeline that should be analyzed
* @details: details to show in the graph, e.g. #GST_DEBUG_GRAPH_SHOW_ALL or
* one or more other #GstDebugGraphDetails flags.
* @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.
*
* Since: 0.10.15
*/
#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)
#else /* GST_DISABLE_GST_DEBUG */
#define GST_DEBUG_BIN_TO_DOT_FILE(bin, details, file_name)
#define GST_DEBUG_BIN_TO_DOT_FILE_WITH_TS(bin, details, file_name)
#endif /* GST_DISABLE_GST_DEBUG */
G_END_DECLS
#endif /* __GSTDEBUGUTILS_H__ */