X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=gst%2Fgstparse.h;h=c0cef77de452e03cd94a5aaff1bf2de148127a7e;hb=0c6f5b3e4c3dc55e684bca1e3fc9a2a9b74407b9;hp=fda38ae57c93c8d341ad526952dbc280481af07c;hpb=7095ffbfabf148eaf320dd8f4201a1c9b13ccd8e;p=platform%2Fupstream%2Fgstreamer.git diff --git a/gst/gstparse.h b/gst/gstparse.h index fda38ae..c0cef77 100644 --- a/gst/gstparse.h +++ b/gst/gstparse.h @@ -2,7 +2,7 @@ * Copyright (C) 1999,2000 Erik Walthinsen * 2000 Wim Taymans * - * filename: + * gstparse.h: get a pipeline from a text pipeline description * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Library General Public @@ -16,31 +16,125 @@ * * 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. + * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, + * Boston, MA 02110-1301, USA. */ #ifndef __GST_PARSE_H__ #define __GST_PARSE_H__ -#include +#include -#ifdef __cplusplus -extern "C" { -#endif /* __cplusplus */ +G_BEGIN_DECLS -#ifndef GST_DISABLE_PARSE +GST_API +GQuark gst_parse_error_quark (void); +/** + * GST_PARSE_ERROR: + * + * Get access to the error quark of the parse subsystem. + */ +#define GST_PARSE_ERROR gst_parse_error_quark () + +/* FIXME 2.0: rename to GstParseLaunchError, this is not only related to + *parsing */ +/** + * GstParseError: + * @GST_PARSE_ERROR_SYNTAX: A syntax error occurred. + * @GST_PARSE_ERROR_NO_SUCH_ELEMENT: The description contained an unknown element + * @GST_PARSE_ERROR_NO_SUCH_PROPERTY: An element did not have a specified property + * @GST_PARSE_ERROR_LINK: There was an error linking two pads. + * @GST_PARSE_ERROR_COULD_NOT_SET_PROPERTY: There was an error setting a property + * @GST_PARSE_ERROR_EMPTY_BIN: An empty bin was specified. + * @GST_PARSE_ERROR_EMPTY: An empty description was specified + * @GST_PARSE_ERROR_DELAYED_LINK: A delayed link did not get resolved. + * + * The different parsing errors that can occur. + */ +typedef enum +{ + GST_PARSE_ERROR_SYNTAX, + GST_PARSE_ERROR_NO_SUCH_ELEMENT, + GST_PARSE_ERROR_NO_SUCH_PROPERTY, + GST_PARSE_ERROR_LINK, + GST_PARSE_ERROR_COULD_NOT_SET_PROPERTY, + GST_PARSE_ERROR_EMPTY_BIN, + GST_PARSE_ERROR_EMPTY, + GST_PARSE_ERROR_DELAYED_LINK +} GstParseError; + +/** + * GstParseFlags: + * @GST_PARSE_FLAG_NONE: Do not use any special parsing options. + * @GST_PARSE_FLAG_FATAL_ERRORS: Always return %NULL when an error occurs + * (default behaviour is to return partially constructed bins or elements + * in some cases) + * @GST_PARSE_FLAG_NO_SINGLE_ELEMENT_BINS: If a bin only has a single element, + * just return the element. + * @GST_PARSE_FLAG_PLACE_IN_BIN: If more than one toplevel element is described + * by the pipeline description string, put them in a #GstBin instead of a + * #GstPipeline. (Since: 1.10) + * + * Parsing options. + */ +typedef enum +{ + GST_PARSE_FLAG_NONE = 0, + GST_PARSE_FLAG_FATAL_ERRORS = (1 << 0), + GST_PARSE_FLAG_NO_SINGLE_ELEMENT_BINS = (1 << 1), + GST_PARSE_FLAG_PLACE_IN_BIN = (1 << 2) +} GstParseFlags; + +#define GST_TYPE_PARSE_CONTEXT (gst_parse_context_get_type()) + +/** + * GstParseContext: + * + * Opaque structure. + */ +typedef struct _GstParseContext GstParseContext; + +/* create, process and free a parse context */ + +GST_API +GType gst_parse_context_get_type (void); + +GST_API +GstParseContext * gst_parse_context_new (void) G_GNUC_MALLOC; + +GST_API +gchar ** gst_parse_context_get_missing_elements (GstParseContext * context) G_GNUC_MALLOC; + +GST_API +void gst_parse_context_free (GstParseContext * context); + +GST_API +GstParseContext * gst_parse_context_copy (const GstParseContext * context); -gint gst_parse_launch (const gchar *cmdline, GstBin *parent); -#else // GST_DISABLE_PARSE +/* parse functions */ -#pragma GCC poison gst_parse_launch +GST_API +GstElement * gst_parse_launch (const gchar * pipeline_description, + GError ** error) G_GNUC_MALLOC; +GST_API +GstElement * gst_parse_launchv (const gchar ** argv, + GError ** error) G_GNUC_MALLOC; +GST_API +GstElement * gst_parse_launch_full (const gchar * pipeline_description, + GstParseContext * context, + GstParseFlags flags, + GError ** error) G_GNUC_MALLOC; +GST_API +GstElement * gst_parse_launchv_full (const gchar ** argv, + GstParseContext * context, + GstParseFlags flags, + GError ** error) G_GNUC_MALLOC; -#endif // GST_DISABLE_PARSE +#ifdef G_DEFINE_AUTOPTR_CLEANUP_FUNC +G_DEFINE_AUTOPTR_CLEANUP_FUNC(GstParseContext, gst_parse_context_free) +#endif -#ifdef __cplusplus -} -#endif /* __cplusplus */ +G_END_DECLS #endif /* __GST_PARSE_H__ */