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Add ma_get_stock_device_backends().

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This commit many warnings when compiling as C89.
This commit is contained in:
David Reid
2025-08-21 07:27:42 +10:00
parent c3132cb703
commit f6453a1418
2 changed files with 53 additions and 37 deletions
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miniaudio.h
+49 -35
View File
@@ -7151,6 +7151,26 @@ END BACKENDS
************************************************************************************************************************************************************/ ************************************************************************************************************************************************************/
/* 64 should be enough to cover all stock backends, but if somehow this is exceeded we can increase this. */
#ifndef MA_MAX_STOCK_DEVICE_BACKENDS
#define MA_MAX_STOCK_DEVICE_BACKENDS 64
#endif
/* For mapping a config object to a backend. Used for both context configs or device configs. */
typedef struct ma_device_backend_config
{
ma_device_backend_vtable* pVTable;
const void* pConfig; /* Can be a pointer to either a backend-specific context config, or a backend-specific device config, depending on context. */
} ma_device_backend_config;
MA_API ma_device_backend_config ma_device_backend_config_init(ma_device_backend_vtable* pVTable, const void* pConfig);
/* This is the list of default device backends in priority order. */
MA_API ma_uint32 ma_get_stock_device_backends(ma_device_backend_config* pBackends, size_t backendsCap);
typedef struct ma_device_backend_info typedef struct ma_device_backend_info
{ {
const char* pName; const char* pName;
@@ -7452,15 +7472,6 @@ struct ma_device_descriptor
}; };
/* For mapping a config object to a backend. Used for both context configs or device configs. */
typedef struct ma_device_backend_config
{
ma_device_backend_vtable* pVTable;
const void* pConfig; /* Can be a pointer to either a backend-specific context config, or a backend-specific device config, depending on context. */
} ma_device_backend_config;
MA_API ma_device_backend_config ma_device_backend_config_init(ma_device_backend_vtable* pVTable, const void* pConfig);
#define MA_DATA_FORMAT_FLAG_EXCLUSIVE_MODE (1U << 1) /* If set, this is supported in exclusive mode. Otherwise not natively supported by exclusive mode. */ #define MA_DATA_FORMAT_FLAG_EXCLUSIVE_MODE (1U << 1) /* If set, this is supported in exclusive mode. Otherwise not natively supported by exclusive mode. */
@@ -44395,24 +44406,29 @@ static const void* ma_context_config_find_backend_config(const ma_context_config
} }
/* This is the list of default device backends in priority order. */
#define MA_STOCK_DEVICE_BACKENDS \ MA_API ma_uint32 ma_get_stock_device_backends(ma_device_backend_config* pBackends, size_t backendsCap)
{ \ {
{ ma_device_backend_wasapi, NULL }, \ ma_uint32 count = 0;
{ ma_device_backend_dsound, NULL }, \
{ ma_device_backend_winmm, NULL }, \ /* This must be in priority order. */
{ ma_device_backend_coreaudio, NULL }, \ if (backendsCap > count) { pBackends[count++] = ma_device_backend_config_init(ma_device_backend_wasapi, NULL); }
{ ma_device_backend_pulseaudio, NULL }, \ if (backendsCap > count) { pBackends[count++] = ma_device_backend_config_init(ma_device_backend_dsound, NULL); }
{ ma_device_backend_alsa, NULL }, \ if (backendsCap > count) { pBackends[count++] = ma_device_backend_config_init(ma_device_backend_winmm, NULL); }
{ ma_device_backend_jack, NULL }, \ if (backendsCap > count) { pBackends[count++] = ma_device_backend_config_init(ma_device_backend_coreaudio, NULL); }
{ ma_device_backend_sndio, NULL }, \ if (backendsCap > count) { pBackends[count++] = ma_device_backend_config_init(ma_device_backend_pulseaudio, NULL); }
{ ma_device_backend_audio4, NULL }, \ if (backendsCap > count) { pBackends[count++] = ma_device_backend_config_init(ma_device_backend_alsa, NULL); }
{ ma_device_backend_oss, NULL }, \ if (backendsCap > count) { pBackends[count++] = ma_device_backend_config_init(ma_device_backend_jack, NULL); }
{ ma_device_backend_aaudio, NULL }, \ if (backendsCap > count) { pBackends[count++] = ma_device_backend_config_init(ma_device_backend_sndio, NULL); }
{ ma_device_backend_opensl, NULL }, \ if (backendsCap > count) { pBackends[count++] = ma_device_backend_config_init(ma_device_backend_audio4, NULL); }
{ ma_device_backend_webaudio, NULL }, \ if (backendsCap > count) { pBackends[count++] = ma_device_backend_config_init(ma_device_backend_oss, NULL); }
{ ma_device_backend_null, NULL } \ if (backendsCap > count) { pBackends[count++] = ma_device_backend_config_init(ma_device_backend_aaudio, NULL); }
} if (backendsCap > count) { pBackends[count++] = ma_device_backend_config_init(ma_device_backend_opensl, NULL); }
if (backendsCap > count) { pBackends[count++] = ma_device_backend_config_init(ma_device_backend_webaudio, NULL); }
if (backendsCap > count) { pBackends[count++] = ma_device_backend_config_init(ma_device_backend_null, NULL); }
return count;
}
MA_API ma_result ma_context_init(const ma_device_backend_config* pBackends, ma_uint32 backendCount, const ma_context_config* pConfig, ma_context* pContext) MA_API ma_result ma_context_init(const ma_device_backend_config* pBackends, ma_uint32 backendCount, const ma_context_config* pConfig, ma_context* pContext)
@@ -44420,8 +44436,7 @@ MA_API ma_result ma_context_init(const ma_device_backend_config* pBackends, ma_u
ma_result result; ma_result result;
ma_context_config defaultConfig; ma_context_config defaultConfig;
ma_uint32 iBackend; ma_uint32 iBackend;
ma_device_backend_config pStockBackends[] = MA_STOCK_DEVICE_BACKENDS; ma_device_backend_config pStockBackends[MA_MAX_STOCK_DEVICE_BACKENDS];
ma_uint32 stockBackendCount = ma_countof(pStockBackends);
if (pContext == NULL) { if (pContext == NULL) {
return MA_INVALID_ARGS; return MA_INVALID_ARGS;
@@ -44465,8 +44480,8 @@ MA_API ma_result ma_context_init(const ma_device_backend_config* pBackends, ma_u
/* If NULL was passed in for the backend list we'll want to iterate over our default list. */ /* If NULL was passed in for the backend list we'll want to iterate over our default list. */
if (pBackends == NULL) { if (pBackends == NULL) {
pBackends = pStockBackends; pBackends = pStockBackends;
backendCount = stockBackendCount; backendCount = ma_get_stock_device_backends(pStockBackends, ma_countof(pStockBackends));
} }
for (iBackend = 0; iBackend < backendCount; iBackend += 1) { for (iBackend = 0; iBackend < backendCount; iBackend += 1) {
@@ -45237,8 +45252,7 @@ MA_API ma_result ma_device_init_ex(const ma_device_backend_config* pBackends, ma
ma_context* pContext; ma_context* pContext;
ma_uint32 iBackend; ma_uint32 iBackend;
ma_allocation_callbacks allocationCallbacks; ma_allocation_callbacks allocationCallbacks;
ma_device_backend_config pStockBackends[] = MA_STOCK_DEVICE_BACKENDS; ma_device_backend_config pStockBackends[MA_MAX_STOCK_DEVICE_BACKENDS];
ma_uint32 stockBackendCount = ma_countof(pStockBackends);
if (pConfig == NULL) { if (pConfig == NULL) {
return MA_INVALID_ARGS; return MA_INVALID_ARGS;
@@ -45259,8 +45273,8 @@ MA_API ma_result ma_device_init_ex(const ma_device_backend_config* pBackends, ma
} }
if (pBackends == NULL) { if (pBackends == NULL) {
pBackends = pStockBackends; pBackends = pStockBackends;
backendCount = stockBackendCount; backendCount = ma_get_stock_device_backends(pStockBackends, ma_countof(pStockBackends));
} }
result = MA_NO_BACKEND; result = MA_NO_BACKEND;
tests/deviceio/deviceio.c
+4 -2
View File
@@ -258,10 +258,12 @@ ma_bool32 try_parse_noise(const char* arg, ma_noise_type* pNoiseType)
void print_enabled_backends(void) void print_enabled_backends(void)
{ {
const ma_device_backend_config pStockBackends[] = MA_STOCK_DEVICE_BACKENDS; ma_device_backend_config pStockBackends[MA_MAX_STOCK_DEVICE_BACKENDS];
ma_uint32 stockBackendCount = ma_countof(pStockBackends); ma_uint32 stockBackendCount;
ma_uint32 iEnabledStockBackend; ma_uint32 iEnabledStockBackend;
stockBackendCount = ma_get_stock_device_backends(pStockBackends, ma_countof(pStockBackends));
printf("Enabled Backends:\n"); printf("Enabled Backends:\n");
for (iEnabledStockBackend = 0; iEnabledStockBackend < stockBackendCount; iEnabledStockBackend += 1) { for (iEnabledStockBackend = 0; iEnabledStockBackend < stockBackendCount; iEnabledStockBackend += 1) {