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a132614bba
send_frame_to_filters() sends a frame to all the filters that need said frame; for every filter except the last one this involves creating a reference to the frame, because av_buffersrc_add_frame_flags() by default takes ownership of the supplied references. Yet said function has a flag which changes its behaviour to create a reference itself. This commit uses this flag and stops creating the references itself; this allows to remove the spare AVFrame holding the temporary references; it also avoids unreferencing said frame. Reviewed-by: James Almer <jamrial@gmail.com> Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>