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filter-chain: make it possible to suggest a samplerate

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Make it possible to let a plugin suggest a samplerate for the filter.
Make the convolver suggest the samplerate of the IR file anf use that
if nothing else is specified in the config.

Fixes #1659
This commit is contained in:
Wim Taymans 2021-09-29 16:53:18 +02:00
parent 275dfed92a
commit d6469e5437
4 changed files with 20 additions and 11 deletions
Download patch file Download diff file Expand all files Collapse all files

12
src/modules/module-filter-chain.c
View file

@ -247,7 +247,7 @@ struct impl {
unsigned int do_disconnect:1; unsigned int do_disconnect:1;
unsigned int unloading:1; unsigned int unloading:1;
uint32_t rate; long unsigned rate;
struct graph graph; struct graph graph;
}; };
@ -1276,7 +1276,7 @@ static int setup_graph(struct graph *graph, struct spa_json *inputs, struct spa_
sd = dd = NULL; sd = dd = NULL;
for (i = 0; i < n_hndl; i++) { for (i = 0; i < n_hndl; i++) {
if ((node->hndl[i] = d->instantiate(d, impl->rate, i, node->config)) == NULL) { if ((node->hndl[i] = d->instantiate(d, &impl->rate, i, node->config)) == NULL) {
pw_log_error("cannot create plugin instance"); pw_log_error("cannot create plugin instance");
res = -ENOMEM; res = -ENOMEM;
goto error; goto error;
@ -1308,6 +1308,14 @@ static int setup_graph(struct graph *graph, struct spa_json *inputs, struct spa_
graph->n_control++; graph->n_control++;
} }
} }
pw_log_info("suggested rate:%lu capture:%d playback:%d", impl->rate,
impl->capture_info.rate, impl->playback_info.rate);
if (impl->capture_info.rate == 0)
impl->capture_info.rate = impl->rate;
if (impl->playback_info.rate == 0)
impl->playback_info.rate = impl->rate;
/* now collect all input and output ports for all the handles. */ /* now collect all input and output ports for all the handles. */
for (i = 0; i < n_hndl; i++) { for (i = 0; i < n_hndl; i++) {
if (inputs == NULL) { if (inputs == NULL) {

13
src/modules/module-filter-chain/builtin_plugin.c
View file

@ -49,7 +49,7 @@ struct builtin {
}; };
static void *builtin_instantiate(const struct fc_descriptor * Descriptor, static void *builtin_instantiate(const struct fc_descriptor * Descriptor,
unsigned long SampleRate, int index, const char *config) unsigned long *SampleRate, int index, const char *config)
{ {
struct builtin *impl; struct builtin *impl;
@ -57,7 +57,7 @@ static void *builtin_instantiate(const struct fc_descriptor * Descriptor,
if (impl == NULL) if (impl == NULL)
return NULL; return NULL;
impl->rate = SampleRate; impl->rate = *SampleRate;
return impl; return impl;
} }
@ -469,7 +469,7 @@ struct convolver_impl {
}; };
static float *read_samples(const char *filename, float gain, int delay, int offset, static float *read_samples(const char *filename, float gain, int delay, int offset,
int length, int channel, int *n_samples) int length, int channel, long unsigned *rate, int *n_samples)
{ {
float *samples; float *samples;
#ifdef HAVE_SNDFILE #ifdef HAVE_SNDFILE
@ -510,6 +510,7 @@ static float *read_samples(const char *filename, float gain, int delay, int offs
samples[i] = samples[info.channels * i + channel] * gain; samples[i] = samples[info.channels * i + channel] * gain;
*n_samples = n; *n_samples = n;
*rate = info.samplerate;
return samples; return samples;
#else #else
pw_log_error("compiled without sndfile support, can't load samples: " pw_log_error("compiled without sndfile support, can't load samples: "
@ -570,7 +571,7 @@ static float *create_dirac(const char *filename, float gain, int delay, int offs
} }
static void * convolver_instantiate(const struct fc_descriptor * Descriptor, static void * convolver_instantiate(const struct fc_descriptor * Descriptor,
unsigned long SampleRate, int index, const char *config) unsigned long *SampleRate, int index, const char *config)
{ {
struct convolver_impl *impl; struct convolver_impl *impl;
float *samples; float *samples;
@ -642,7 +643,7 @@ static void * convolver_instantiate(const struct fc_descriptor * Descriptor,
length, &n_samples); length, &n_samples);
} else { } else {
samples = read_samples(filename, gain, delay, offset, samples = read_samples(filename, gain, delay, offset,
length, channel, &n_samples); length, channel, SampleRate, &n_samples);
} }
if (samples == NULL) if (samples == NULL)
return NULL; return NULL;
@ -658,7 +659,7 @@ static void * convolver_instantiate(const struct fc_descriptor * Descriptor,
if (impl == NULL) if (impl == NULL)
return NULL; return NULL;
impl->rate = SampleRate; impl->rate = *SampleRate;
impl->conv = convolver_new(blocksize, tailsize, samples, n_samples); impl->conv = convolver_new(blocksize, tailsize, samples, n_samples);
free(samples); free(samples);

4
src/modules/module-filter-chain/ladspa_plugin.c
View file

@ -47,10 +47,10 @@ struct descriptor {
}; };
static void *ladspa_instantiate(const struct fc_descriptor *desc, static void *ladspa_instantiate(const struct fc_descriptor *desc,
unsigned long SampleRate, int index, const char *config) unsigned long *SampleRate, int index, const char *config)
{ {
struct descriptor *d = (struct descriptor *)desc; struct descriptor *d = (struct descriptor *)desc;
return d->d->instantiate(d->d, SampleRate); return d->d->instantiate(d->d, *SampleRate);
} }
static const LADSPA_Descriptor *find_desc(LADSPA_Descriptor_Function desc_func, const char *name) static const LADSPA_Descriptor *find_desc(LADSPA_Descriptor_Function desc_func, const char *name)

2
src/modules/module-filter-chain/plugin.h
View file

@ -69,7 +69,7 @@ struct fc_descriptor {
struct fc_port *ports; struct fc_port *ports;
void *(*instantiate) (const struct fc_descriptor *desc, void *(*instantiate) (const struct fc_descriptor *desc,
unsigned long SampleRate, int index, const char *config); unsigned long *SampleRate, int index, const char *config);
void (*cleanup) (void *instance); void (*cleanup) (void *instance);