av_add_q         3066 ffmpeg.c               ost->st->time_base = av_add_q(ost->enc_ctx->time_base, (AVRational){0, 1});
av_add_q          103 libavutil/rational.c     return av_add_q(b, (AVRational) { -c.num, c.den });
av_add_q          168 libavutil/rational.c                     r = av_sub_q(av_add_q(b,a), b);
av_add_q          118 libavutil/rational.h AVRational av_add_q(AVRational b, AVRational c) av_const;