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Add support for configuring the threading mode for a device.

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This commit is contained in:
David Reid
2025-12-29 19:12:34 +10:00
parent b0894c34b1
commit 0f4bc3ca9a
1 changed files with 19 additions and 14 deletions
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miniaudio.h
+19 -14
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@@ -7237,7 +7237,11 @@ MA_API ma_result ma_device_job_thread_next(ma_device_job_thread* pJobThread, ma_
typedef enum ma_threading_mode
{
MA_THREADING_MODE_MULTITHREADED = 0, /* Default. */
MA_THREADING_MODE_SINGLE_THREADED
} ma_threading_mode;
typedef enum ma_blocking_mode
{
@@ -7509,6 +7513,7 @@ typedef struct
struct ma_device_config
{
ma_device_type deviceType;
ma_threading_mode threadingMode;
ma_uint32 sampleRate;
ma_uint32 periodSizeInFrames;
ma_uint32 periodSizeInMilliseconds;
@@ -44976,7 +44981,7 @@ MA_API ma_result ma_device_init(ma_context* pContext, const ma_device_config* pC
ma_result result;
ma_device_descriptor descriptorPlayback;
ma_device_descriptor descriptorCapture;
ma_bool32 singleThreaded = MA_FALSE; /* TODO: Make this a config variable. */
ma_threading_mode threadingMode = MA_THREADING_MODE_MULTITHREADED;
ma_device_op_params initParams;
/* The context can be null, in which case we self-manage it. */
@@ -44988,21 +44993,21 @@ MA_API ma_result ma_device_init(ma_context* pContext, const ma_device_config* pC
return MA_INVALID_ARGS;
}
/* Force single-threaded mode if threading has been disabled at compile time. */
#ifdef MA_NO_THREADING
{
singleThreaded = MA_TRUE;
}
#endif
(void)singleThreaded;
MA_ZERO_OBJECT(pDevice);
if (pConfig == NULL) {
return MA_INVALID_ARGS;
}
threadingMode = pConfig->threadingMode;
/* Force single-threaded mode if threading has been disabled at compile time. */
#ifdef MA_NO_THREADING
{
threadingMode = MA_THREADING_MODE_SINGLE_THREADED;
}
#endif
/* Check that we have our callbacks defined. */
if (pContext->pVTable->onDeviceInit == NULL) {
return MA_INVALID_OPERATION;
@@ -45128,7 +45133,7 @@ MA_API ma_result ma_device_init(ma_context* pContext, const ma_device_config* pC
be initialized. It won't be doing anything at first because no operation will be put onto the queue.
*/
#ifndef MA_NO_THREADING
if (singleThreaded == MA_FALSE) {
if (threadingMode == MA_THREADING_MODE_MULTITHREADED) {
/* We need an operation queue before starting the audio thread. */
result = ma_device_op_queue_init(&pDevice->opQueue);
if (result != MA_SUCCESS) {
@@ -45177,20 +45182,20 @@ MA_API ma_result ma_device_init(ma_context* pContext, const ma_device_config* pC
#endif
{
/* Getting here means we're running in single-threaded mode. We want to run the init operation immediately. */
MA_ASSERT(threadingMode == MA_THREADING_MODE_SINGLE_THREADED);
result = ma_device_op_do_init(pDevice, initParams, NULL);
if (result != MA_SUCCESS) {
return result; /* Failed to initialize backend. */
}
}
result = ma_device_post_init(pDevice, pConfig->deviceType, &descriptorPlayback, &descriptorCapture);
if (result != MA_SUCCESS) {
ma_device_uninit(pDevice);
return result;
}
/*
If we're using fixed sized callbacks we'll need to make use of an intermediary buffer. Needs to
be done after post_init_setup() because we'll need access to the sample rate.