From 457204ee15923cb401368702567ce78bf9f612d8 Mon Sep 17 00:00:00 2001 From: Lukasz Marek Date: Sat, 8 Nov 2014 17:12:29 +0100 Subject: [PATCH] lavu/opt: document av_opt_copy function --- libavutil/opt.h | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/libavutil/opt.h b/libavutil/opt.h index 1b72a105c9..df5a62ec2a 100644 --- a/libavutil/opt.h +++ b/libavutil/opt.h @@ -815,6 +815,16 @@ void av_opt_freep_ranges(AVOptionRanges **ranges); */ int av_opt_query_ranges(AVOptionRanges **, void *obj, const char *key, int flags); +/** + * Copy options from src object into dest object. + * + * Options that require memory allocation (e.g. string or binary) are malloc'ed in dest object. + * Original memory allocated for such options is freed unless both src and dest options points to the same memory. + * + * @param dest Object to copy from + * @param src Object to copy into + * @return 0 on success, negative on error + */ int av_opt_copy(void *dest, void *src); /**