[FFmpeg-cvslog] lavu/opt: fix doxy for av_opt_get* functions about return value

[Stefano Sabatini]

ffmpeg | branch: master | Stefano Sabatini <stefasab at gmail.com> | Fri Oct  4 12:10:25 2013 +0200| [515e651f56e80b3a5ee4b739cfa1e916f4e33f6d] | committer: Stefano Sabatini

lavu/opt: fix doxy for av_opt_get* functions about return value

Success code must be >= 0 and not == 0, consistently with the
implementation.

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=515e651f56e80b3a5ee4b739cfa1e916f4e33f6d
---

 libavutil/opt.h |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libavutil/opt.h b/libavutil/opt.h
index 3882751..331c5de 100644
--- a/libavutil/opt.h
+++ b/libavutil/opt.h
@@ -687,7 +687,7 @@ int av_opt_set_video_rate(void *obj, const char *name, AVRational val, int searc
  * @param[in] search_flags flags passed to av_opt_find2. I.e. if AV_OPT_SEARCH_CHILDREN
  * is passed here, then the option may be found in a child of obj.
  * @param[out] out_val value of the option will be written here
- * @return 0 on success, a negative error code otherwise
+ * @return >=0 on success, a negative error code otherwise
  */
 /**
  * @note the returned string will av_malloc()ed and must be av_free()ed by the caller