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usb_audio: Set real_time from the time during device buffers exchange.

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As opposed to driver/userland buffers exchange. This is what the other
multi_audio drivers do.
This commit is contained in:
Augustin Cavalier 2021-09-03 17:27:10 -04:00
parent ccb3e7120c
commit b99d228dce
2 changed files with 5 additions and 2 deletions
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6
src/add-ons/kernel/drivers/audio/usb/Stream.cpp
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@ -30,6 +30,7 @@ Stream::Stream(Device* device, size_t interface, usb_interface_list* List)
fDescriptorsCount(0),
fCurrentBuffer(0),
fSamplesCount(0),
fRealTime(0),
fStartingFrame(0),
fProcessedBuffers(0),
fInsideNotify(0)
@ -339,6 +340,7 @@ Stream::_TransferCallback(void* cookie, status_t status, void* data,
if (atomic_add(&stream->fProcessedBuffers, 1) > (int32)kSamplesBufferCount)
TRACE(ERR, "Processed buffers overflow:%d\n", stream->fProcessedBuffers);
stream->fRealTime = system_time();
release_sem_etc(stream->fDevice->fBuffersReadySem, 1, B_DO_NOT_RESCHEDULE);
@ -531,11 +533,11 @@ Stream::ExchangeBuffer(multi_buffer_info* Info)
return false;
if (fIsInput) {
Info->recorded_real_time = system_time();// TODO fRealTime;
Info->recorded_real_time = fRealTime;
Info->recorded_frames_count += fSamplesCount / kSamplesBufferCount;
Info->record_buffer_cycle = fCurrentBuffer;
} else {
Info->played_real_time = system_time();// TODO fRealTime;
Info->played_real_time = fRealTime;
Info->played_frames_count += fSamplesCount / kSamplesBufferCount;
Info->playback_buffer_cycle = fCurrentBuffer;
}

1
src/add-ons/kernel/drivers/audio/usb/Stream.h
View File

@ -58,6 +58,7 @@ protected:
size_t fCurrentBuffer;
size_t fSamplesCount;
bigtime_t fRealTime;
uint32 fStartingFrame;
int32 fProcessedBuffers;
int32 fInsideNotify;