ffmpeg # time_base转换函数av_rescale_q

    AVRational src_time_base = (AVRational){1, 25};

    AVRational dst_time_base = (AVRational){1, 90000};

    int64_t pts = 2;

    int64_t new_pts = av_rescale_q(pts, src_time_base , dst_time_base);
ffmpeg # time_base转换函数av_rescale_q_第1张图片
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