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avutil/mathematics/av_add_stable: avoid unneeded variable

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2014-06-02 18:00:34 +02:00
parent 6f6edfe1c0
commit 5b7519fbaa

View File

@ -188,14 +188,14 @@ simple_round:
int64_t av_add_stable(AVRational ts_tb, int64_t ts, AVRational inc_tb, int64_t inc) int64_t av_add_stable(AVRational ts_tb, int64_t ts, AVRational inc_tb, int64_t inc)
{ {
AVRational step = av_mul_q(inc_tb, (AVRational) {inc, 1}); inc_tb = av_mul_q(inc_tb, (AVRational) {inc, 1});
if (av_cmp_q(step, ts_tb) < 0) { if (av_cmp_q(inc_tb, ts_tb) < 0) {
//increase step is too small for even 1 step to be representable //increase step is too small for even 1 step to be representable
return ts; return ts;
} else { } else {
int64_t old = av_rescale_q(ts, ts_tb, step); int64_t old = av_rescale_q(ts, ts_tb, inc_tb);
int64_t old_ts = av_rescale_q(old, step, ts_tb); int64_t old_ts = av_rescale_q(old, inc_tb, ts_tb);
return av_rescale_q(old + 1, step, ts_tb) + (ts - old_ts); return av_rescale_q(old + 1, inc_tb, ts_tb) + (ts - old_ts);
} }
} }