API changes, most recent first:
+2011-06-xx - xxxxxxx - lavu 51.6.0 - opt.h
+ Add av_opt_flag_is_set().
+
2011-06-xx - xxxxxxx - lavu 51.5.0 - AVMetadata
Move AVMetadata from lavf to lavu and rename it to
AVDictionary -- new installed header dict.h.
#define AV_VERSION(a, b, c) AV_VERSION_DOT(a, b, c)
#define LIBAVUTIL_VERSION_MAJOR 51
-#define LIBAVUTIL_VERSION_MINOR 5
+#define LIBAVUTIL_VERSION_MINOR 6
#define LIBAVUTIL_VERSION_MICRO 0
#define LIBAVUTIL_VERSION_INT AV_VERSION_INT(LIBAVUTIL_VERSION_MAJOR, \
return num*intnum/den;
}
+int av_opt_flag_is_set(void *obj, const char *field_name, const char *flag_name)
+{
+ const AVOption *field = av_find_opt(obj, field_name, NULL, 0, 0);
+ const AVOption *flag = av_find_opt(obj, flag_name, NULL, 0, 0);
+
+ if (!field || !flag || flag->type != FF_OPT_TYPE_CONST)
+ return 0;
+ return av_get_int(obj, field_name, NULL) & (int) flag->default_val.dbl;
+}
+
static void opt_list(void *obj, void *av_log_obj, const char *unit,
int req_flags, int rej_flags)
{
*/
void av_opt_free(void *obj);
+/**
+ * Check whether a particular flag is set in a flags field.
+ *
+ * @param field_name the name of the flag field option
+ * @param flag_name the name of the flag to check
+ * @return non-zero if the flag is set, zero if the flag isn't set,
+ * isn't of the right type, or the flags field doesn't exist.
+ */
+int av_opt_flag_is_set(void *obj, const char *field_name, const char *flag_name);
+
#endif /* AVUTIL_OPT_H */