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authorNicolas George <george@nsup.org>2018-01-02 14:50:59 +0100
committerNicolas George <george@nsup.org>2018-01-03 19:54:39 +0100
commit9ace76697ac1e43aa4da4c7333ec4a296907c336 (patch)
treebf7b5425ad07015d784be3cf2c89c8957d321cbb /libavfilter/framesync.h
parent09b24a807ad23b4fec25049775075cc63c0c1fa3 (diff)
lavfi/framesync: document frame ownership for dualinput.
Diffstat (limited to 'libavfilter/framesync.h')
-rw-r--r--libavfilter/framesync.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/libavfilter/framesync.h b/libavfilter/framesync.h
index 9fdc4d1ae2..abf3bf552b 100644
--- a/libavfilter/framesync.h
+++ b/libavfilter/framesync.h
@@ -286,6 +286,9 @@ int ff_framesync_init_dualinput(FFFrameSync *fs, AVFilterContext *parent);
* @param f0 used to return the main frame
* @param f1 used to return the second frame, or NULL if disabled
* @return >=0 for success or AVERROR code
+ * @note The frame returned in f0 belongs to the caller (get = 1 in
+ * ff_framesync_get_frame()) while the frame returned in f1 is still owned
+ * by the framesync structure.
*/
int ff_framesync_dualinput_get(FFFrameSync *fs, AVFrame **f0, AVFrame **f1);