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resample: add some more qualities

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Clamp quality to available qualities.
0 is a valid quality
This commit is contained in:
Wim Taymans 2020-02-14 18:00:49 +01:00
parent 484d211119
commit 0023aac9b9
2 changed files with 15 additions and 7 deletions
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15
spa/plugins/audioconvert/resample-native.h
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@ -40,7 +40,11 @@ static const struct quality blackman_qualities[] = {
{ 96, 0.933, },
{ 128, 0.950, },
{ 144, 0.955, },
{ 160, 0.960, }
{ 160, 0.960, },
{ 180, 0.965, },
{ 256, 0.975, },
{ 896, 0.997, },
{ 1024, 0.998, },
};
static inline double sinc(double x)
@ -255,11 +259,12 @@ static uint32_t impl_native_delay (struct resample *r)
static int impl_native_init(struct resample *r)
{
struct native_data *d;
const struct quality *q = &blackman_qualities[r->quality];
const struct quality *q;
double scale;
uint32_t c, n_taps, n_phases, filter_size, in_rate, out_rate, gcd, filter_stride;
uint32_t history_stride, history_size, oversample;
r->quality = SPA_CLAMP(r->quality, 0, (int) SPA_N_ELEMENTS(blackman_qualities) - 1);
r->free = impl_native_free;
r->update_rate = impl_native_update_rate;
r->in_len = impl_native_in_len;
@ -267,6 +272,8 @@ static int impl_native_init(struct resample *r)
r->reset = impl_native_reset;
r->delay = impl_native_delay;
q = &blackman_qualities[r->quality];
gcd = calc_gcd(r->i_rate, r->o_rate);
in_rate = r->i_rate / gcd;
@ -311,8 +318,8 @@ static int impl_native_init(struct resample *r)
build_filter(d->filter, d->filter_stride, n_taps, n_phases, scale);
spa_log_debug(r->log, "native %p: in:%d out:%d n_taps:%d n_phases:%d",
r, in_rate, out_rate, n_taps, n_phases);
spa_log_debug(r->log, "native %p: q:%d in:%d out:%d n_taps:%d n_phases:%d",
r, r->quality, in_rate, out_rate, n_taps, n_phases);
impl_native_reset(r);
impl_native_update_rate(r, 1.0);