ff_h264_remove_all_refs 1061 libavcodec/h264.c     ff_h264_remove_all_refs(h);
ff_h264_remove_all_refs 1937 libavcodec/h264.c     ff_h264_remove_all_refs(h);
ff_h264_remove_all_refs  827 libavcodec/h264.h void ff_h264_remove_all_refs(H264Context *h);