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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
View file

@ -187,6 +187,20 @@ static uint32_t impl_native_in_len(struct resample *r, uint32_t out_len)
return in_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, static void impl_native_process(struct resample *r,
const void * SPA_RESTRICT src[], uint32_t *in_len, const void * SPA_RESTRICT src[], uint32_t *in_len,
void * SPA_RESTRICT dst[], uint32_t *out_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->free = impl_native_free;
r->update_rate = impl_native_update_rate; r->update_rate = impl_native_update_rate;
r->in_len = impl_native_in_len; r->in_len = impl_native_in_len;
r->out_len = impl_native_out_len;
r->process = impl_native_process; r->process = impl_native_process;
r->reset = impl_native_reset; r->reset = impl_native_reset;
r->delay = impl_native_delay; r->delay = impl_native_delay;

6
spa/plugins/audioconvert/resample-peaks.c
View file

@ -89,6 +89,11 @@ static uint32_t impl_peaks_in_len(struct resample *r, uint32_t out_len)
return out_len; return out_len;
} }
static uint32_t impl_peaks_out_len(struct resample *r, uint32_t in_len)
{
return in_len;
}
static void impl_peaks_reset (struct resample *r) static void impl_peaks_reset (struct resample *r)
{ {
struct peaks_data *d = r->data; struct peaks_data *d = r->data;
@ -119,6 +124,7 @@ int resample_peaks_init(struct resample *r)
r->reset = impl_peaks_reset; r->reset = impl_peaks_reset;
r->delay = impl_peaks_delay; r->delay = impl_peaks_delay;
r->in_len = impl_peaks_in_len; r->in_len = impl_peaks_in_len;
r->out_len = impl_peaks_out_len;
spa_log_debug(r->log, "peaks %p: in:%d out:%d features:%08x:%08x", r, spa_log_debug(r->log, "peaks %p: in:%d out:%d features:%08x:%08x", r,
r->i_rate, r->o_rate, r->cpu_flags, d->peaks.cpu_flags); r->i_rate, r->o_rate, r->cpu_flags, d->peaks.cpu_flags);