mirror/miniaudio
1
0
Fork 0
mirror of https://github.com/mackron/miniaudio.git synced 2026-04-22 00:06:59 +02:00
Code Issues Packages Projects Releases Wiki Activity

PulseAudio: Use a bigger default buffer size.

Browse Source 
Public issue https://github.com/mackron/miniaudio/issues/427
This commit is contained in:
David Reid
2022-02-10 18:46:30 +10:00
parent bcff6ac152
commit 320b0e0536
1 changed files with 28 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files
miniaudio.h
+28 -2
View File
@@ -28777,6 +28777,32 @@ static void ma_device_on_rerouted__pulse(ma_pa_stream* pStream, void* pUserData)
ma_device__on_notification_rerouted(pDevice);
}
static ma_uint32 ma_calculate_period_size_in_frames_from_descriptor__pulse(const ma_device_descriptor* pDescriptor, ma_uint32 nativeSampleRate, ma_performance_profile performanceProfile)
{
/*
There have been reports from users where buffers of < ~20ms result glitches when running through
PipeWire. To work around this we're going to have to use a different default buffer size.
*/
const ma_uint32 defaultPeriodSizeInMilliseconds_LowLatency = 25;
const ma_uint32 defaultPeriodSizeInMilliseconds_Conservative = MA_DEFAULT_PERIOD_SIZE_IN_MILLISECONDS_CONSERVATIVE;
MA_ASSERT(nativeSampleRate != 0);
if (pDescriptor->periodSizeInFrames == 0) {
if (pDescriptor->periodSizeInMilliseconds == 0) {
if (performanceProfile == ma_performance_profile_low_latency) {
return ma_calculate_buffer_size_in_frames_from_milliseconds(defaultPeriodSizeInMilliseconds_LowLatency, nativeSampleRate);
} else {
return ma_calculate_buffer_size_in_frames_from_milliseconds(defaultPeriodSizeInMilliseconds_Conservative, nativeSampleRate);
}
} else {
return ma_calculate_buffer_size_in_frames_from_milliseconds(pDescriptor->periodSizeInMilliseconds, nativeSampleRate);
}
} else {
return pDescriptor->periodSizeInFrames;
}
}
static ma_result ma_device_init__pulse(ma_device* pDevice, const ma_device_config* pConfig, ma_device_descriptor* pDescriptorPlayback, ma_device_descriptor* pDescriptorCapture)
{
/*
@@ -28882,7 +28908,7 @@ static ma_result ma_device_init__pulse(ma_device* pDevice, const ma_device_confi
}
/* We now have enough information to calculate our actual period size in frames. */
pDescriptorCapture->periodSizeInFrames = ma_calculate_buffer_size_in_frames_from_descriptor(pDescriptorCapture, ss.rate, pConfig->performanceProfile);
pDescriptorCapture->periodSizeInFrames = ma_calculate_period_size_in_frames_from_descriptor__pulse(pDescriptorCapture, ss.rate, pConfig->performanceProfile);
attr = ma_device__pa_buffer_attr_new(pDescriptorCapture->periodSizeInFrames, pDescriptorCapture->periodCount, &ss);
ma_log_postf(ma_device_get_log(pDevice), MA_LOG_LEVEL_INFO, "[PulseAudio] Capture attr: maxlength=%d, tlength=%d, prebuf=%d, minreq=%d, fragsize=%d; periodSizeInFrames=%d\n", attr.maxlength, attr.tlength, attr.prebuf, attr.minreq, attr.fragsize, pDescriptorCapture->periodSizeInFrames);
@@ -29018,7 +29044,7 @@ static ma_result ma_device_init__pulse(ma_device* pDevice, const ma_device_confi
}
/* We now have enough information to calculate the actual buffer size in frames. */
pDescriptorPlayback->periodSizeInFrames = ma_calculate_buffer_size_in_frames_from_descriptor(pDescriptorPlayback, ss.rate, pConfig->performanceProfile);
pDescriptorPlayback->periodSizeInFrames = ma_calculate_period_size_in_frames_from_descriptor__pulse(pDescriptorPlayback, ss.rate, pConfig->performanceProfile);
attr = ma_device__pa_buffer_attr_new(pDescriptorPlayback->periodSizeInFrames, pDescriptorPlayback->periodCount, &ss);