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jack: Use latency of sink as buffer size

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This commit is contained in:
Wim Taymans 2017-10-16 18:12:20 +02:00
parent ce6b75cf63
commit 630dbd2c90
2 changed files with 27 additions and 4 deletions
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14
src/modules/module-jack/shared.h
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@ -1010,6 +1010,15 @@ static inline uint64_t calc_computation(jack_nframes_t buffer_size)
return 100;
}
static inline void
jack_engine_control_set_buffer_size(struct jack_engine_control *ctrl, jack_nframes_t buffer_size)
{
ctrl->buffer_size = buffer_size;
ctrl->period_usecs = 1000000.f / ctrl->sample_rate * ctrl->buffer_size;
ctrl->period = ctrl->constraint = ctrl->period_usecs * 1000;
ctrl->computation = calc_computation(ctrl->buffer_size) * 1000;
}
static inline struct jack_engine_control *
jack_engine_control_alloc(const char* name)
{
@ -1024,11 +1033,9 @@ jack_engine_control_alloc(const char* name)
ctrl = (struct jack_engine_control *)jack_shm_addr(&info);
ctrl->info = info;
ctrl->buffer_size = 128;
ctrl->sample_rate = 48000;
ctrl->sync_mode = false;
ctrl->temporary = false;
ctrl->period_usecs = 1000000.f / ctrl->sample_rate * ctrl->buffer_size;
ctrl->timeout_usecs = 0;
ctrl->max_delayed_usecs = 0.f;
ctrl->xrun_delayed_usecs = 0.f;
@ -1050,8 +1057,7 @@ jack_engine_control_alloc(const char* name)
jack_engine_control_reset_rolling_usecs(ctrl);
ctrl->CPU_load = 0.f;
ctrl->period = ctrl->constraint = ctrl->period_usecs * 1000;
ctrl->computation = calc_computation(ctrl->buffer_size) * 1000;
jack_engine_control_set_buffer_size(ctrl, 128);
return ctrl;
}