vp8_find_free_buffer  524 libavcodec/vp8.c             s->framep[VP56_FRAME_PREVIOUS] = vp8_find_free_buffer(s);
vp8_find_free_buffer 2672 libavcodec/vp8.c     curframe = s->framep[VP56_FRAME_CURRENT] = vp8_find_free_buffer(s);