else return "NULL";
}
+static const AVOption *opt_find(void *obj, const char *name, const char *unit, int opt_flags, int search_flags)
+{
+ AVFormatContext *s = obj;
+ AVInputFormat *ifmt = NULL;
+ AVOutputFormat *ofmt = NULL;
+ if (s->priv_data) {
+ if ((s->iformat && !s->iformat->priv_class) ||
+ (s->oformat && !s->oformat->priv_class))
+ return NULL;
+ return av_opt_find(s->priv_data, name, unit, opt_flags, search_flags);
+ }
+
+ while ((ifmt = av_iformat_next(ifmt))) {
+ const AVOption *o;
+
+ if (ifmt->priv_class && (o = av_opt_find(&ifmt->priv_class, name, unit, opt_flags, search_flags)))
+ return o;
+ }
+ while ((ofmt = av_oformat_next(ofmt))) {
+ const AVOption *o;
+
+ if (ofmt->priv_class && (o = av_opt_find(&ofmt->priv_class, name, unit, opt_flags, search_flags)))
+ return o;
+ }
+ return NULL;
+}
+
#define OFFSET(x) offsetof(AVFormatContext,x)
#define DEFAULT 0 //should be NAN but it does not work as it is not a constant in glibc as required by ANSI/ISO C
//these names are too long to be readable
.item_name = format_to_name,
.option = options,
.version = LIBAVUTIL_VERSION_INT,
+ .opt_find = opt_find,
};
static void avformat_get_context_defaults(AVFormatContext *s)