| #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; |
| } 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__ */ |