blob: 66d13dd3b05696f68e4d31f67daa696ba87f79c1 [file] [log] [blame]
#ifndef __GST_PARSE_TYPES_H__
#define __GST_PARSE_TYPES_H__
#include <glib-object.h>
#include "../gstelement.h"
#include "../gstparse.h"
typedef struct {
GstElement *element;
gchar *name;
GSList *pads;
} reference_t;
typedef struct {
reference_t src;
reference_t sink;
GstCaps *caps;
gboolean all_pads;
} link_t;
typedef struct {
GSList *elements;
reference_t first;
reference_t last;
} chain_t;
typedef struct _graph_t graph_t;
struct _graph_t {
chain_t *chain; /* links are supposed to be done now */
GSList *links;
GError **error;
GstParseContext *ctx; /* may be NULL */
GstParseFlags flags;
};
/*
* Memory checking. Should probably be done with gsttrace stuff, but that
* doesn't really work.
* This is not safe from reentrance issues, but that doesn't matter as long as
* we lock a mutex before parsing anyway.
*
* FIXME: Disable this for now for the above reasons
*/
#if 0
#ifdef GST_DEBUG_ENABLED
# define __GST_PARSE_TRACE
#endif
#endif
#ifdef __GST_PARSE_TRACE
G_GNUC_INTERNAL gchar *__gst_parse_strdup (gchar *org);
G_GNUC_INTERNAL void __gst_parse_strfree (gchar *str);
G_GNUC_INTERNAL link_t *__gst_parse_link_new (void);
G_GNUC_INTERNAL void __gst_parse_link_free (link_t *data);
G_GNUC_INTERNAL chain_t *__gst_parse_chain_new (void);
G_GNUC_INTERNAL void __gst_parse_chain_free (chain_t *data);
# define gst_parse_strdup __gst_parse_strdup
# define gst_parse_strfree __gst_parse_strfree
# define gst_parse_link_new __gst_parse_link_new
# define gst_parse_link_free __gst_parse_link_free
# define gst_parse_chain_new __gst_parse_chain_new
# define gst_parse_chain_free __gst_parse_chain_free
#else /* __GST_PARSE_TRACE */
# define gst_parse_strdup g_strdup
# define gst_parse_strfree g_free
# define gst_parse_link_new() g_slice_new0 (link_t)
# define gst_parse_link_free(l) g_slice_free (link_t, l)
# define gst_parse_chain_new() g_slice_new0 (chain_t)
# define gst_parse_chain_free(c) g_slice_free (chain_t, c)
#endif /* __GST_PARSE_TRACE */
static inline void
gst_parse_unescape (gchar *str)
{
gchar *walk;
gboolean in_quotes;
g_return_if_fail (str != NULL);
walk = str;
in_quotes = FALSE;
GST_DEBUG ("unescaping %s", str);
while (*walk) {
if (*walk == '\\' && !in_quotes) {
walk++;
/* make sure we don't read beyond the end of the string */
if (*walk == '\0')
break;
} else if (*walk == '"' && (!in_quotes || (in_quotes
&& (*(walk - 1) != '\\')))) {
/* don't unescape inside quotes and don't switch
* state with escaped quoted inside quotes */
in_quotes = !in_quotes;
}
*str = *walk;
str++;
walk++;
}
*str = '\0';
}
G_GNUC_INTERNAL GstElement *priv_gst_parse_launch (const gchar * str,
GError ** err,
GstParseContext * ctx,
GstParseFlags flags);
#endif /* __GST_PARSE_TYPES_H__ */