/usr/include/gstreamermm-1.0/gstreamermm/parse.h is in libgstreamermm-1.0-dev 1.10.0+dfsg-1.
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#ifndef _GSTREAMERMM_PARSE_H
#define _GSTREAMERMM_PARSE_H
#include <glibmm/ustring.h>
#include <sigc++/sigc++.h>
/* gstreamermm - a C++ wrapper for gstreamer
*
* Copyright 2008 The gstreamermm Development Team
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free
* Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <gst/gst.h>
namespace Gst
{
class Element;
/** The different parsing errors that can occur.
*
* - SYNTAX - A syntax error occured.
* - NO_SUCH_ELEMENT - The description contained an unknown element
* - NO_SUCH_PROPERTY - An element did not have a specified property
* - LINK - There was an error linking two pads.
* - COULD_NOT_SET_PROPERTY - There was an error setting a property
* - EMPTY_BIN - An empty bin was specified.
* - EMPTY - An empty description was specified
*/
class ParseError : public Glib::Error
{
public:
/** @var Code SYNTAX
* A syntax error occurred.
*
* @var Code NO_SUCH_ELEMENT
* The description contained an unknown element.
*
* @var Code NO_SUCH_PROPERTY
* An element did not have a specified property.
*
* @var Code LINK
* There was an error linking two pads.
*
* @var Code COULD_NOT_SET_PROPERTY
* There was an error setting a property.
*
* @var Code EMPTY_BIN
* An empty bin was specified.
*
* @var Code EMPTY
* An empty description was specified.
*
* @var Code DELAYED_LINK
* A delayed link did not get resolved.
*
* @enum Code
*
* The different parsing errors that can occur.
*/
enum Code
{
SYNTAX,
NO_SUCH_ELEMENT,
NO_SUCH_PROPERTY,
LINK,
COULD_NOT_SET_PROPERTY,
EMPTY_BIN,
EMPTY,
DELAYED_LINK
};
ParseError(Code error_code, const Glib::ustring& error_message);
explicit ParseError(GError* gobject);
Code code() const;
#ifndef DOXYGEN_SHOULD_SKIP_THIS
private:
static void throw_func(GError* gobject);
friend void wrap_init(); // uses throw_func()
#endif //DOXYGEN_SHOULD_SKIP_THIS
};
} // namespace Gst
#ifndef DOXYGEN_SHOULD_SKIP_THIS
namespace Glib
{
template <>
class Value<Gst::ParseError::Code> : public Glib::Value_Enum<Gst::ParseError::Code>
{
public:
static GType value_type() G_GNUC_CONST;
};
} // namespace Glib
#endif /* DOXYGEN_SHOULD_SKIP_THIS */
namespace Gst
{
/** A class that gets a pipeline from a text pipeline description.
* The methods in this class allow to create a pipeline based on the syntax
* used in the gst-launch utillity.
*/
class Parse
{
public:
/** Get the error quark used by the parsing subsystem.
* @return The quark of the parse errors.
*/
static Glib::QueryQuark error_quark();
/** Create a new pipeline based on command line syntax. Please note that you
* might get a return value that is not a null RefPtr<> even though the error
* is set. In this case there was a recoverable parsing error and you can try
* to play the pipeline.
* @param pipeline_description The command line describing the pipeline.
* @return A new element on success, a null RefPtr<> on failure. If more than
* one toplevel element is specified by the pipeline_description, all
* elements are put into a Gst::Pipeline, which than is returned.
* @throw Gst::CoreError
* @throw Gst::ParseError
*/
static Glib::RefPtr<Gst::Element> launch(const Glib::ustring& pipeline_description);
/** Create a new element based on command line syntax. An error does not
* mean that the pipeline could not be constructed.
* @param argv null-terminated array of arguments.
* specified.
* @return A new element on success and null on failure.
* @throw Gst::CoreError
* @throw Gst::ParseError
*/
static Glib::RefPtr<Gst::Element> launchv(const gchar *argv[]);
/** This is a convenience wrapper around launch() to create a Gst::Bin from a
* gst-launch-style pipeline description. See launch() and the gst-launch man
* page for details about the syntax. Ghost pads on the bin for unconnected
* source or sink pads within the bin can automatically be created (but only
* a maximum of one ghost pad for each direction will be created; if you
* expect multiple unconnected source pads or multiple unconnected sink pads
* and want them all ghosted, you will have to create the ghost pads
* yourself).
*
* @param bin_description Command line describing the bin.
* @param ghost_unconnected_pads Whether to automatically create ghost pads
* for unconnected source or sink pads within the bin.
* @return A newly-created bin, or a null RefPtr<> if an error occurred.
* @throw Gst::CoreError
* @throw Gst::ParseError
*/
static Glib::RefPtr<Gst::Element> create_bin(const Glib::ustring& bin_description, bool ghost_unconnected_pads);
};
} // namespace Gst
#endif /* _GSTREAMERMM_PARSE_H */
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