Mention in the documentation of avfilter_poll_frame() that it returns

a negative value in case of error. Originally committed as revision 16372 to svn://svn.ffmpeg.org/ffmpeg/trunk
16 years ago · 055068d001
parent 5b3658f73b
commit 055068d001
1 changed files with 2 additions and 1 deletions
--- a/libavfilter/avfilter.h
+++ b/libavfilter/avfilter.h
@ -509,7 +509,8 @@ int avfilter_request_frame(AVFilterLink *link);
 /**
 * Poll a frame from the filter chain.
 * @param  link the input link
- * @return      the number of imediately available frames
+ * @return the number of immediately available frames, a negative
+ * number in case of error
 */
 int avfilter_poll_frame(AVFilterLink *link);