打印: slice:1 F mb:0 I IDR frame:0 poc:65536/65536 ref:0/0 qp:25 loop:1:0:0 weight:0 slice:1 F mb:0 P frame:4 poc:65540/65540 ref:1/1 qp:26 loop:1:0:0 weight:0 /* do all the per-slice initialization needed before we can start decoding the * actual MBs */ 对每一个分片打印详细记录
2)int ff_h264_decode_picture_parameter_set(GetBitContext *gb, AVCodecContext *avctx, H264ParamSets *ps, int bit_length)