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jack: ensure we don't have negative latencies

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This commit is contained in:
Wim Taymans 2021-11-22 12:12:29 +01:00
parent 52b9ca8f2e
commit aeb435087b
1 changed files with 20 additions and 4 deletions
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24
pipewire-jack/src/pipewire-jack.c
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@ -4960,6 +4960,7 @@ void jack_port_set_latency_range (jack_port_t *port, jack_latency_callback_mode_
struct spa_latency_info *current, latency;
jack_nframes_t nframes, rate;
struct port *p;
uint32_t lat;
spa_return_if_fail(o != NULL);
if (o->type != INTERFACE_Port || o->client == NULL)
@ -4978,10 +4979,25 @@ void jack_port_set_latency_range (jack_port_t *port, jack_latency_callback_mode_
nframes = jack_get_buffer_size((jack_client_t*)c);
rate = jack_get_sample_rate((jack_client_t*)c);
latency.min_rate = range->min - (latency.min_quantum * nframes) -
(latency.min_ns * rate) / SPA_NSEC_PER_SEC;
latency.max_rate = range->max - (latency.max_quantum * nframes) -
(latency.max_ns * rate) / SPA_NSEC_PER_SEC;
latency.min_rate = range->min;
lat = latency.min_quantum * nframes;
if (latency.min_rate >= lat)
latency.min_rate -= lat;
else
latency.min_quantum = 0;
lat = (latency.min_ns * rate) / SPA_NSEC_PER_SEC;
if (latency.min_rate >= lat)
latency.min_rate -= lat;
latency.max_rate = range->max;
lat = latency.max_quantum * nframes;
if (latency.max_rate >= lat)
latency.max_rate -= lat;
else
latency.max_quantum = 0;
lat = (latency.max_ns * rate) / SPA_NSEC_PER_SEC;
if (latency.max_rate >= lat)
latency.max_rate -= lat;
current = &o->port.latency[direction];