ff_mpeg4_clean_buffers  659 libavcodec/h263dec.c             ff_mpeg4_clean_buffers(s);
ff_mpeg4_clean_buffers  168 libavcodec/mpeg4video.h void ff_mpeg4_clean_buffers(MpegEncContext *s);
ff_mpeg4_clean_buffers 3077 libavcodec/mpegvideo_enc.c                             ff_mpeg4_clean_buffers(s);
ff_mpeg4_clean_buffers  334 libavcodec/msmpeg4enc.c                 ff_mpeg4_clean_buffers(s);