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swresample/resample: increase precision for compensation

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Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 351e625d60)

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer
2015-11-11 16:49:21 +01:00
parent edf5e88eac
commit 3de8521667
2 changed files with 8 additions and 4 deletions
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libswresample/resample.c
+4
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@@ -231,6 +231,10 @@ static ResampleContext *resample_init(ResampleContext *c, int out_rate, int in_r
c->compensation_distance= 0;
if(!av_reduce(&c->src_incr, &c->dst_incr, out_rate, in_rate * (int64_t)phase_count, INT32_MAX/2))
goto error;
while (c->dst_incr < (1<<20) && c->src_incr < (1<<20)) {
c->dst_incr *= 2;
c->src_incr *= 2;
}
c->ideal_dst_incr = c->dst_incr;
c->dst_incr_div = c->dst_incr / c->src_incr;
c->dst_incr_mod = c->dst_incr % c->src_incr;