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resample-native: only do full resample when rate == 1.0

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Otherwise choose the interpollating resampler.
This commit is contained in:
Wim Taymans 2019-07-15 17:06:07 +02:00
parent 80face4b92
commit 93006d6d90
1 changed files with 4 additions and 3 deletions
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7
spa/plugins/audioconvert/resample-native.h
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@ -94,8 +94,9 @@ static inline uint32_t calc_gcd(uint32_t a, uint32_t b)
static void impl_native_update_rate(struct resample *r, double rate) static void impl_native_update_rate(struct resample *r, double rate)
{ {
struct native_data *data = r->data; struct native_data *data = r->data;
uint32_t in_rate, out_rate, phase, gcd; uint32_t in_rate, out_rate, phase, gcd, old_out_rate;
old_out_rate = data->out_rate;
in_rate = r->i_rate / rate; in_rate = r->i_rate / rate;
out_rate = r->o_rate; out_rate = r->o_rate;
phase = data->phase; phase = data->phase;
@ -105,7 +106,7 @@ static void impl_native_update_rate(struct resample *r, double rate)
out_rate /= gcd; out_rate /= gcd;
data->rate = rate; data->rate = rate;
data->phase = phase * out_rate / data->out_rate; data->phase = phase * out_rate / old_out_rate;
data->in_rate = in_rate; data->in_rate = in_rate;
data->out_rate = out_rate; data->out_rate = out_rate;
@ -118,7 +119,7 @@ static void impl_native_update_rate(struct resample *r, double rate)
if (data->in_rate == data->out_rate) if (data->in_rate == data->out_rate)
data->func = do_resample_copy_c; data->func = do_resample_copy_c;
else { else {
bool is_full = r->i_rate == in_rate; bool is_full = rate == 1.0;
data->func = is_full ? do_resample_full_c : do_resample_inter_c; data->func = is_full ? do_resample_full_c : do_resample_inter_c;
#if defined (HAVE_SSE) #if defined (HAVE_SSE)