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Mention in the documentation of avfilter_poll_frame() that it returns

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a negative value in case of error.

Originally committed as revision 16372 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Stefano Sabatini 2008-12-28 17:07:47 +00:00
parent 5b3658f73b
commit 055068d001
1 changed files with 2 additions and 1 deletions
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libavfilter/avfilter.h
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@ -509,7 +509,8 @@ int avfilter_request_frame(AVFilterLink *link);
/** /**
* Poll a frame from the filter chain. * Poll a frame from the filter chain.
* @param link the input link * @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); int avfilter_poll_frame(AVFilterLink *link);