free_buffers      116 libavcodec/vp8.c         free_buffers(s);
free_buffers      181 libavcodec/vp8.c         free_buffers(s);
free_buffers      189 libavcodec/vp8.c             free_buffers(s);
free_buffers     2783 libavcodec/vp8.c         free_buffers(s);
free_buffers     3745 libavcodec/vp9.c     free_buffers(s);
free_buffers     4063 libavcodec/vp9.c         free_buffers(s);