Lines Matching refs:den
58 * f = val + (num / den) + 0.5.
60 * 'num' is normalized so that it is such as 0 <= num < den.
65 * @param den must be >= 1
67 static void frac_init(AVFrac *f, int64_t val, int64_t num, int64_t den)
69 num += (den >> 1);
70 if (num >= den) {
71 val += num / den;
72 num = num % den;
76 f->den = den;
80 * Fractional addition to f: f = f + (incr / f->den).
87 int64_t num, den;
90 den = f->den;
92 f->val += num / den;
93 num = num % den;
95 num += den;
98 } else if (num >= den) {
99 f->val += num / den;
100 num = num % den;
113 while (q.den / q.num < min_precision && q.num % j == 0)
115 while (q.den / q.num < min_precision && q.den < (1<<24))
116 q.den <<= 1;
258 avpriv_set_pts_info(st, 64, codec->time_base.num, codec->time_base.den);
293 st->sample_aspect_ratio.den != 0 &&
294 codec->sample_aspect_ratio.den != 0 &&
295 codec->sample_aspect_ratio.den != 0) {
298 st->sample_aspect_ratio.num, st->sample_aspect_ratio.den,
300 codec->sample_aspect_ratio.den);
387 int64_t den = AV_NOPTS_VALUE;
392 den = (int64_t)st->time_base.num * st->codec->sample_rate;
395 den = (int64_t)st->time_base.num * st->codec->time_base.den;
400 if (den != AV_NOPTS_VALUE) {
401 if (den <= 0)
404 frac_init(&st->pts, 0, 0, den);
452 int num, den, i;
466 ff_compute_frame_duration(&num, &den, st, NULL, pkt);
467 if (den && num) {
468 pkt->duration = av_rescale(1, num * (int64_t)st->time_base.den * st->codec->ticks_per_frame, den * (int64_t)st->time_base.num);
527 if (frame_size >= 0 && (pkt->size || st->pts.num != st->pts.den >> 1 || st->pts.val)) {
528 frac_add(&st->pts, (int64_t)st->time_base.den * frame_size);
532 frac_add(&st->pts, (int64_t)st->time_base.den * st->codec->time_base.num);
752 ts= ( pkt ->dts* st->time_base.num*AV_TIME_BASE - s->audio_preload*(int64_t)(st ->codec->codec_type == AVMEDIA_TYPE_AUDIO)* st->time_base.den)*st2->time_base.den
753 -( next->dts*st2->time_base.num*AV_TIME_BASE - s->audio_preload*(int64_t)(st2->codec->codec_type == AVMEDIA_TYPE_AUDIO)*st2->time_base.den)* st->time_base.den;