Revision 78b01823 libavutil/mathematics.h

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libavutil/mathematics.h
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 */
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int64_t av_rescale_q(int64_t a, AVRational bq, AVRational cq) av_const;
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/**
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 * Compares 2 timestamps each in its own timebases.
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 * The result of the function is undefined if one of the timestamps
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 * is outside the int64_t range when represented in the others timebase.
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 * @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
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 */
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int av_compare_ts(int64_t ts_a, AVRational tb_a, int64_t ts_b, AVRational tb_b);
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#endif /* AVUTIL_MATHEMATICS_H */

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