ardour/livetrax
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Add DSPLoadCalculator::set_max_time() to set max time based on samplerate and period size

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This commit is contained in:
Tim Mayberry 2015-09-14 16:48:38 +10:00
parent 35a1c3b6a5
commit 158c12eb92
1 changed files with 10 additions and 3 deletions
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13
libs/ardour/ardour/dsp_load_calculator.h
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@ -36,6 +36,10 @@ public:
}
void set_max_time(double samplerate, uint32_t period_size) {
m_max_time_us = (1e6 / samplerate) * period_size;
}
void set_max_time_us(uint64_t max_time_us) {
assert(max_time_us != 0);
m_max_time_us = max_time_us;
@ -60,7 +64,7 @@ public:
*/
if (m_start_timestamp_us < 0 || m_stop_timestamp_us < 0 ||
m_start_timestamp_us > m_stop_timestamp_us ||
elapsed_time_us() > max_timer_error()) {
elapsed_time_us() > max_timer_error_us()) {
return;
}
@ -98,8 +102,11 @@ public:
return m_dsp_load;
}
private: // methods
int64_t max_timer_error () { return 4 * m_max_time_us; }
/**
* The maximum error in timestamp values that will be tolerated before the
* current dsp load sample will be ignored
*/
int64_t max_timer_error_us() { return 4 * m_max_time_us; }
private: // data
int64_t m_max_time_us;