return av_rescale_rnd(a, b, c, AV_ROUND_NEAR_INF);
}
+int av_compare_ts(int64_t ts_a, AVRational tb_a, int64_t ts_b, AVRational tb_b){
+ int64_t a= tb_a.num * (int64_t)tb_b.den;
+ int64_t b= tb_b.num * (int64_t)tb_a.den;
+ if (av_rescale_rnd(ts_a, a, b, AV_ROUND_DOWN) < ts_b) return -1;
+ if (av_rescale_rnd(ts_b, b, a, AV_ROUND_DOWN) < ts_a) return 1;
+ return 0;
+}
+
#ifdef TEST
#include "integer.h"
#undef printf
*/
int64_t av_rescale_q(int64_t a, AVRational bq, AVRational cq) av_const;
+/**
+ * Compares 2 timestamps each in its own timebases.
+ * The result of the function is undefined if one of the timestamps
+ * is outside the int64_t range when represented in the others timebase.
+ * @returns -1 if ts_a is before ts_b, 1 if ts_a is after ts_b or 0 if they represent the same position
+ */
+int av_compare_ts(int64_t ts_a, AVRational tb_a, int64_t ts_b, AVRational tb_b);
+
+
#endif /* AVUTIL_MATHEMATICS_H */