static int tb_unreliable(AVCodecContext *c) { if (c->time_base.den >= 101L * c->time_base.num || c->time_base.den < 5L * c->time_base.num || // c->codec_tag == AV_RL32("DIVX") || // c->codec_tag == AV_RL32("XVID") || c->codec_id == AV_CODEC_ID_MPEG2VIDEO || c->codec_id == AV_CODEC_ID_H264) return 1; return 0; }