The user data of the WAVEHDR structure is a single flag the controls whether or not it is ready for writing. Consider it to be named "isLocked". A value of 0 means
The user data of the WAVEHDR structure is a single flag the controls whether or not it is ready for writing. Consider it to be named "isLocked". A value of 0 means
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@@ -17252,29 +17200,68 @@ on_error:
if (pDevice->type == ma_device_type_capture || pDevice->type == ma_device_type_duplex) {
if (pDevice->winmm.pWAVEHDRCapture != NULL) {
ma_uint32 iPeriod;
for (iPeriod = 0; iPeriod < pDevice->capture.internalPeriods; ++iPeriod) {
return ma_post_error(pDevice, MA_LOG_LEVEL_ERROR, "[WinMM] Failed to attach input buffers to capture device in preparation for capture.", ma_result_from_MMRESULT(resultMM));
}
/* Make sure all of the buffers start out locked. We don't want to access them until the backend tells us we can. */
pWAVEHDR[iPeriod].dwUser = 1; /* 1 = locked. */
}
/* Capture devices need to be explicitly started, unlike playback devices. */
return ma_post_error(pDevice, MA_LOG_LEVEL_ERROR, "[WinMM] Failed to attach input buffers to capture device in preparation for capture.", ma_result_from_MMRESULT(resultMM));
}
/* Make sure all of the buffers start out locked. We don't want to access them until the backend tells us we can. */
pWAVEHDR[iPeriod].dwUser = 1; /* 1 = locked. */
}
/* Capture devices need to be explicitly started, unlike playback devices. */
/* Convert capture data from device format to client format. */
result = ma_data_converter_process_pcm_frames(&pDevice->capture.converter, pRunningCapturedDeviceFrames, &capturedDeviceFramesToProcessThisIteration, capturedClientData, &capturedClientFramesToProcessThisIteration);
if (result != MA_SUCCESS) {
break;
}
/*
If we weren't able to generate any output frames it must mean we've exhaused all of our input. The only time this would not be the case is if capturedClientData was too small
which should never be the case when it's of the size MA_DATA_CONVERTER_STACK_BUFFER_SIZE.
*/
if (capturedClientFramesToProcessThisIteration == 0) {
pCallbacks->onDeviceAudioThread = NULL; /* This is a blocking read-write API, so this can be NULL since miniaudio will manage the audio thread for us. */
