for(type=0; type<CODEC_TYPE_NB; type++){
const AVOption *o2 = av_find_opt(avctx_opts[0], opt, NULL, opt_types[type], opt_types[type]);
if(o2)
- o = av_set_string(avctx_opts[type], opt, arg);
+ o = av_set_string2(avctx_opts[type], opt, arg, 1);
}
if(!o)
- o = av_set_string(avformat_opts, opt, arg);
+ o = av_set_string2(avformat_opts, opt, arg, 1);
if(!o)
- o = av_set_string(sws_opts, opt, arg);
+ o = av_set_string2(sws_opts, opt, arg, 1);
if(!o){
if(opt[0] == 'a')
- o = av_set_string(avctx_opts[CODEC_TYPE_AUDIO], opt+1, arg);
+ o = av_set_string2(avctx_opts[CODEC_TYPE_AUDIO], opt+1, arg, 1);
else if(opt[0] == 'v')
- o = av_set_string(avctx_opts[CODEC_TYPE_VIDEO], opt+1, arg);
+ o = av_set_string2(avctx_opts[CODEC_TYPE_VIDEO], opt+1, arg, 1);
else if(opt[0] == 's')
- o = av_set_string(avctx_opts[CODEC_TYPE_SUBTITLE], opt+1, arg);
+ o = av_set_string2(avctx_opts[CODEC_TYPE_SUBTITLE], opt+1, arg, 1);
}
if(!o)
return -1;
const char *str= av_get_string(opts_ctx, opt_names[i], &opt, buf, sizeof(buf));
/* if an option with name opt_names[i] is present in opts_ctx then str is non-NULL */
if(str && ((opt->flags & flags) == flags))
- av_set_string(ctx, opt_names[i], str);
+ av_set_string2(ctx, opt_names[i], str, 1);
}
}
return -1;
}
-const AVOption *av_set_string(void *obj, const char *name, const char *val){
+const AVOption *av_set_string2(void *obj, const char *name, const char *val, int alloc){
const AVOption *o= av_find_opt(obj, name, NULL, 0, 0);
if(o && o->offset==0 && o->type == FF_OPT_TYPE_CONST && o->unit){
return set_all_opt(obj, o->unit, o->default_val);
return NULL;
}
+ if(alloc){
+ av_free((void*)(((uint8_t*)obj) + o->offset));
+ val= av_strdup(val);
+ }
+
memcpy(((uint8_t*)obj) + o->offset, &val, sizeof(val));
return o;
}
+const AVOption *av_set_string(void *obj, const char *name, const char *val){
+ return av_set_string2(obj, name, val, 0);
+}
+
const AVOption *av_set_double(void *obj, const char *name, double n){
return av_set_number(obj, name, n, 1, 1);
}
* has been found
*/
const AVOption *av_find_opt(void *obj, const char *name, const char *unit, int mask, int flags);
-const AVOption *av_set_string(void *obj, const char *name, const char *val);
+
+attribute_deprecated const AVOption *av_set_string(void *obj, const char *name, const char *val);
+
+/**
+ * Sets the field of obj with the given name to value.
+ * @param alloc when 1 then the old value will be av_freed() and the
+ * new av_strduped()
+ * when 0 then no av_free() nor av_strdup() will be used
+ */
+const AVOption *av_set_string2(void *obj, const char *name, const char *val, int alloc);
+
const AVOption *av_set_double(void *obj, const char *name, double n);
const AVOption *av_set_q(void *obj, const char *name, AVRational n);
const AVOption *av_set_int(void *obj, const char *name, int64_t n);