AVOptions: in av_opt_find() don't return named constants unless unit is specified.

That is, unless the caller explicitly asks for them.

Prevents conflict between e.g. the 'loop' option in img2 demuxer and
'loop' flag in AVCodecContext.
This commit is contained in:
Anton Khirnov 2011-07-06 19:56:58 +02:00
parent ce558c8f59
commit a726d7fd4e

View File

@ -573,8 +573,9 @@ const AVOption *av_opt_find(void *obj, const char *name, const char *unit,
return o;
while (o = av_next_option(obj, o)) {
if (!strcmp(o->name, name) && (!unit || (o->unit && !strcmp(o->unit, unit))) &&
(o->flags & opt_flags) == opt_flags)
if (!strcmp(o->name, name) && (o->flags & opt_flags) == opt_flags &&
((!unit && o->type != FF_OPT_TYPE_CONST) ||
(unit && o->unit && !strcmp(o->unit, unit))))
return o;
}
return NULL;