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audioconvert: implement resample_out_len()

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This commit is contained in:
Wim Taymans 2024-01-16 13:28:37 +01:00
parent a1ecfc8d7f
commit 05c969381d
2 changed files with 21 additions and 0 deletions
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15
spa/plugins/audioconvert/resample-native.c
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@ -187,6 +187,20 @@ static uint32_t impl_native_in_len(struct resample *r, uint32_t out_len)
return in_len;
}
static uint32_t impl_native_out_len(struct resample *r, uint32_t in_len)
{
struct native_data *data = r->data;
uint32_t out_len;
in_len = in_len - SPA_MIN(in_len, (data->n_taps - data->hist) + 1);
out_len = in_len * data->out_rate - data->phase;
out_len = (out_len + data->in_rate - 1) / data->in_rate;
spa_log_trace_fp(r->log, "native %p: hist:%d %d->%d", r, data->hist, in_len, out_len);
return out_len;
}
static void impl_native_process(struct resample *r,
const void * SPA_RESTRICT src[], uint32_t *in_len,
void * SPA_RESTRICT dst[], uint32_t *out_len)
@ -309,6 +323,7 @@ int resample_native_init(struct resample *r)
r->free = impl_native_free;
r->update_rate = impl_native_update_rate;
r->in_len = impl_native_in_len;
r->out_len = impl_native_out_len;
r->process = impl_native_process;
r->reset = impl_native_reset;
r->delay = impl_native_delay;