allanger/ardour
1
0
Fork 0
Code Issues Pull Requests 1 Actions Packages Projects Releases Activity

ALSA backend: set latencies to zero when measuring latency

Browse Source
This commit is contained in:
Robin Gareus
2014-06-13 13:33:04 +02:00
parent b68552d9a0
commit ff39a42581
1 changed files with 4 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files

8
libs/backends/alsa/alsa_audiobackend.cc
View File

@@ -923,7 +923,7 @@ AlsaAudioBackend::register_system_audio_ports()
const int a_out = _n_outputs > 0 ? _n_outputs : 2;
/* audio ports */
lr.min = lr.max = _samples_per_period + _measure_latency ? 0 : _systemic_audio_input_latency;
lr.min = lr.max = _samples_per_period + (_measure_latency ? 0 : _systemic_audio_input_latency);
for (int i = 1; i <= a_ins; ++i) {
char tmp[64];
snprintf(tmp, sizeof(tmp), "system:capture_%d", i);
@@ -933,7 +933,7 @@ AlsaAudioBackend::register_system_audio_ports()
_system_inputs.push_back(static_cast<AlsaPort*>(p));
}
lr.min = lr.max = _samples_per_period + _measure_latency ? 0 : _systemic_audio_output_latency;
lr.min = lr.max = _samples_per_period + (_measure_latency ? 0 : _systemic_audio_output_latency);
for (int i = 1; i <= a_out; ++i) {
char tmp[64];
snprintf(tmp, sizeof(tmp), "system:playback_%d", i);
@@ -985,7 +985,7 @@ AlsaAudioBackend::register_system_midi_ports()
delete mout;
}
LatencyRange lr;
lr.min = lr.max = _samples_per_period + nfo->systemic_output_latency;
lr.min = lr.max = _samples_per_period + (_measure_latency ? 0 : nfo->systemic_output_latency);
set_latency_range (p, false, lr);
_system_midi_out.push_back(static_cast<AlsaPort*>(p));
_rmidi_out.push_back (mout);
@@ -1016,7 +1016,7 @@ AlsaAudioBackend::register_system_midi_ports()
continue;
}
LatencyRange lr;
lr.min = lr.max = _samples_per_period + nfo->systemic_input_latency;
lr.min = lr.max = _samples_per_period + (_measure_latency ? 0 : nfo->systemic_input_latency);
set_latency_range (p, false, lr);
_system_midi_in.push_back(static_cast<AlsaPort*>(p));
_rmidi_in.push_back (midin);