ff_h264_decode_init 1982 libavcodec/h264.c     .init                  = ff_h264_decode_init,
ff_h264_decode_init 2009 libavcodec/h264.c     .init           = ff_h264_decode_init,
ff_h264_decode_init  853 libavcodec/h264.h int ff_h264_decode_init(AVCodecContext *avctx);
ff_h264_decode_init  888 libavcodec/svq3.c     if ((ret = ff_h264_decode_init(avctx)) < 0)