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swresample/resample: increase precision for compensation 

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2015-11-11 16:49:21 +01:00
parent 6770a9d689
commit 351e625d60
2 changed files with 8 additions and 4 deletions
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4
libswresample/resample.c
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@ -355,6 +355,10 @@ 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;

8
tests/fate/libswresample.mak
View File

@ -366,16 +366,16 @@ fate-swr-resample_async-$(3)-$(1)-$(2): FUZZ = 0.1
fate-swr-resample_async-$(3)-$(1)-$(2): REF = tests/data/asynth-$(1)-1.wav
endef
fate-swr-resample_async-fltp-44100-8000: CMP_TARGET = 4031.48
fate-swr-resample_async-fltp-44100-8000: CMP_TARGET = 4020.62
fate-swr-resample_async-fltp-44100-8000: SIZE_TOLERANCE = 529200 - 20310
fate-swr-resample_async-fltp-8000-44100: CMP_TARGET = 11185.34
fate-swr-resample_async-fltp-8000-44100: CMP_TARGET = 11186.69
fate-swr-resample_async-fltp-8000-44100: SIZE_TOLERANCE = 96000 - 20344
fate-swr-resample_async-s16p-44100-8000: CMP_TARGET = 4031.59
fate-swr-resample_async-s16p-44100-8000: CMP_TARGET = 4020.73
fate-swr-resample_async-s16p-44100-8000: SIZE_TOLERANCE = 529200 - 20310
fate-swr-resample_async-s16p-8000-44100: CMP_TARGET = 11185.65
fate-swr-resample_async-s16p-8000-44100: CMP_TARGET = 11187.01
fate-swr-resample_async-s16p-8000-44100: SIZE_TOLERANCE = 96000 - 20344
$(call CROSS_TEST,$(SAMPLERATES),ARESAMPLE,s16p,s16le,s16)