|  |  |  | GStreamer 0.10 Core Reference Manual |  | 
|---|
| GstTagSetterGstTagSetter — Element interface that allows setting and retrieval of media metadata | 
#include <gst/gst.h>
            GstTagSetter;
            GstTagSetterIFace;
void        gst_tag_setter_merge_tags       (GstTagSetter *setter,
                                             const GstTagList *list,
                                             GstTagMergeMode mode);
void        gst_tag_setter_add_tags         (GstTagSetter *setter,
                                             GstTagMergeMode mode,
                                             const gchar *tag,
                                             ...);
void        gst_tag_setter_add_tag_values   (GstTagSetter *setter,
                                             GstTagMergeMode mode,
                                             const gchar *tag,
                                             ...);
void        gst_tag_setter_add_tag_valist   (GstTagSetter *setter,
                                             GstTagMergeMode mode,
                                             const gchar *tag,
                                             va_list var_args);
void        gst_tag_setter_add_tag_valist_values
                                            (GstTagSetter *setter,
                                             GstTagMergeMode mode,
                                             const gchar *tag,
                                             va_list var_args);
const GstTagList* gst_tag_setter_get_tag_list
                                            (GstTagSetter *setter);
void        gst_tag_setter_set_tag_merge_mode
                                            (GstTagSetter *setter,
                                             GstTagMergeMode mode);
GstTagMergeMode gst_tag_setter_get_tag_merge_mode
                                            (GstTagSetter *setter);
Element interface that allows setting and retrieval of media metadata.
Last reviewed on 2005-11-23 (0.9.5)
typedef struct {
  GTypeInterface g_iface;
  /* signals */
  /* virtual table */
} GstTagSetterIFace;
GstTagSetterIFace interface.
| GTypeInterface g_iface; | parent interface type. | 
void gst_tag_setter_merge_tags (GstTagSetter *setter, const GstTagList *list, GstTagMergeMode mode);
Merges the given list into the setter's list using the given mode.
| setter: | a GstTagSetter | 
| list: | a tag list to merge from | 
| mode: | the mode to merge with | 
void gst_tag_setter_add_tags (GstTagSetter *setter, GstTagMergeMode mode, const gchar *tag, ...);
Adds the given tag / value pairs on the setter using the given merge mode. The list must be terminated with NULL.
| setter: | a GstTagSetter | 
| mode: | the mode to use | 
| tag: | tag to set | 
| ...: | more tag / value pairs to set | 
void gst_tag_setter_add_tag_values (GstTagSetter *setter, GstTagMergeMode mode, const gchar *tag, ...);
Adds the given tag / GValue pairs on the setter using the given merge mode. The list must be terminated with NULL.
| setter: | a GstTagSetter | 
| mode: | the mode to use | 
| tag: | tag to set | 
| ...: | more tag / GValue pairs to set | 
void gst_tag_setter_add_tag_valist (GstTagSetter *setter, GstTagMergeMode mode, const gchar *tag, va_list var_args);
Adds the given tag / value pairs on the setter using the given merge mode. The list must be terminated with NULL.
| setter: | a GstTagSetter | 
| mode: | the mode to use | 
| tag: | tag to set | 
| var_args: | tag / value pairs to set | 
void        gst_tag_setter_add_tag_valist_values
                                            (GstTagSetter *setter,
                                             GstTagMergeMode mode,
                                             const gchar *tag,
                                             va_list var_args);
Adds the given tag / GValue pairs on the setter using the given merge mode. The list must be terminated with NULL.
| setter: | a GstTagSetter | 
| mode: | the mode to use | 
| tag: | tag to set | 
| var_args: | tag / GValue pairs to set | 
const GstTagList* gst_tag_setter_get_tag_list (GstTagSetter *setter);
Returns the current list of tags the setter uses. The list should not be modified or freed.
| setter: | a GstTagSetter | 
| Returns : | a current snapshot of the taglist used in the setter or NULL if none is used. | 
void        gst_tag_setter_set_tag_merge_mode
                                            (GstTagSetter *setter,
                                             GstTagMergeMode mode);
Sets the given merge mode that is used for adding tags from events to tags specified by this interface. The default is GST_TAG_MERGE_KEEP, which keeps the tags by this interface and discards tags from events.
| setter: | a GstTagSetter | 
| mode: | The mode with which tags are added | 
GstTagMergeMode gst_tag_setter_get_tag_merge_mode (GstTagSetter *setter);
Queries the mode by which tags inside the setter are overwritten by tags from events
| setter: | a GstTagSetter | 
| Returns : | the merge mode used inside the element. | 
| << GstTagList | GstTask >> |