先看下函数
int64_t av_rescale_q_rnd(int64_t a, AVRational bq, AVRational cq,
enum AVRounding rnd) av_const;int64_t av_rescale_q_rnd(int64_t a, AVR先看下函数
int64_t av_rescale_q_rnd(int64_t a, AVRational bq, AVRational cq,
enum AVRounding rnd) av_const;int64_t av_rescale_q_rnd(int64_t a, AVR