3/1/2024 0 Comments Asio4all pro tools windowsThe reason why I suspect it might be (2) is because I have a suspicion that this "unload, then load again" behaviour is caused by Pro Tools enumerating ASIO drivers on the system and loading them one after the other. Something changed after FlexASIO was first closed that made the device unusable for the second instance of FlexASIO.That seems unlikely to me because it seems implausible that this would lead to this specific AUDCLNT_E_DEVICE_IN_USE error. There's a bug in FlexASIO that is triggered when FlexASIO is initialized more than once in a given process. ![]() Off the top of my head I can see a couple of hypotheses: Output does not support this sample rate: unable to open PortAudio stream: Invalid device WASAPI ERROR HRESULT: 0x8889000A : AUDCLNT_E_DEVICE_IN_USEįILE: C:\Users\edechamps\Documents\FlexASIO\src\portaudio\src\hostapi\wasapi\pa_win_wasapi.c ] At 03:54:28.539, for some reason, Pro Tools decides to close FlexASIO and reinitializes it about 1 second later: Stream info: PortAudio stream info version 0, input latency 0s, output latency 0.022s, sample rate 48000 HzĬlosing PortAudio stream 00000000483389B0 WASAPI::OpenStream(output): framesPerUser framesPerHost latency exclusive wow64_fix mode WASAPI: IAudioClient2 set properties: IsOffload = 0, Category = 0, Options = 0 output parameters: PortAudio stream parameters for device index 10, 2 channels, sample format 2147483652, suggested latency 0s, host API specific: 56 bytes structure, type 13, version 1, WASAPI specific: flags 68, channel mask 1599, host processor output 0000000000000000, host processor input 0000000000000000, thread priority 0, stream category 0, stream option 0 Using shared mode for output WASAPI streamĮnabling auto-conversion for output WASAPI stream ![]() Checking if output supports this sample rateĬFlexASIO::OpenStream(inputEnabled = 0, outputEnabled = 1, sampleRate = 48000, framesPerBuffer = 0, callback = 00007FF9EEADB950, callbackUserData = 0000000000000000
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