From b9c2fb34445864e2adc7fe766aaae98f365a0a4a Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Thu, 21 Feb 2008 22:33:40 +0000 Subject: [PATCH] Ascii art to explain what avfilter_formats_changeref() does. Originally committed as revision 12176 to svn://svn.ffmpeg.org/ffmpeg/trunk --- libavfilter/avfilter.h | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/libavfilter/avfilter.h b/libavfilter/avfilter.h index 850bf968f..a3b646488 100644 --- a/libavfilter/avfilter.h +++ b/libavfilter/avfilter.h @@ -197,6 +197,19 @@ void avfilter_formats_ref(AVFilterFormats *f, AVFilterFormats **ref); */ void avfilter_formats_unref(AVFilterFormats **ref); +/** + * + * Before After + * ________ ________ + * | f |<---------. | f |<---------. + * | ____ | ___|___ | ____ | ___|___ + * | |refs| | | | | | |refs| | | | | NULL + * | |* *--------->|*oldref| | |* *--------->|*newref| ^ + * | |* * | | |_______| | |* * | | |_______| ___|___ + * | |____| | | |____| | | | | + * |________| |________| |*oldref| + * |_______| + */ void avfilter_formats_changeref(AVFilterFormats **oldref, AVFilterFormats **newref); -- 2.34.1