st->codec->codec_id = ff_codec_get_id(ff_codec_bmp_tags, AV_RL32(p + 68));
st->codec->time_base.den = 10000000;
st->codec->time_base.num = AV_RL64(p + 164);
st->codec->width = AV_RL32(p + 176);
st->codec->height = AV_RL32(p + 180);
} else if(t == 0x05589f81){
st->codec->codec_id = ff_codec_get_id(ff_codec_bmp_tags, AV_RL32(p + 68));
st->codec->time_base.den = 10000000;
st->codec->time_base.num = AV_RL64(p + 164);
st->codec->width = AV_RL32(p + 176);
st->codec->height = AV_RL32(p + 180);
} else if(t == 0x05589f81){