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API CHANGE: Remove decoding backend file initialization specializations.

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This removes the onInitFile and onInitFileW callbacks from
ma_decoding_backend_vtable. This means decoding backends can no longer
implement a specialized initialization routine for loading from a file.
What this does is enforces all file IO to go through the same code path,
that being the `ma_decoder` and `ma_vfs` infrastructure. It also
simplifies the backend vtable.

The ability to initialize from memory (the onInitMemory callback) is
still available and there are not plans to remove this.
This commit is contained in:
David Reid
2026-04-28 19:07:23 +10:00
parent a92139b686
commit d7802c3b14
5 changed files with 9 additions and 619 deletions
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extras/decoders/libopus/miniaudio_libopus.c
+1 -57
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@@ -187,37 +187,6 @@ MA_API ma_result ma_libopus_init(ma_read_proc onRead, ma_seek_proc onSeek, ma_te
#endif
}
MA_API ma_result ma_libopus_init_file(const char* pFilePath, const ma_decoding_backend_config* pConfig, const ma_allocation_callbacks* pAllocationCallbacks, ma_libopus* pOpus)
{
ma_result result;
(void)pAllocationCallbacks; /* Can't seem to find a way to configure memory allocations in libopus. */
result = ma_libopus_init_internal(pConfig, pAllocationCallbacks, pOpus);
if (result != MA_SUCCESS) {
return result;
}
#if !defined(MA_NO_LIBOPUS)
{
int libopusResult;
pOpus->of = op_open_file(pFilePath, &libopusResult);
if (pOpus->of == NULL) {
return MA_INVALID_FILE;
}
return MA_SUCCESS;
}
#else
{
/* libopus is disabled. */
(void)pFilePath;
return MA_NOT_IMPLEMENTED;
}
#endif
}
MA_API void ma_libopus_uninit(ma_libopus* pOpus)
{
if (pOpus == NULL) {
@@ -503,36 +472,13 @@ static ma_result ma_decoding_backend_init__libopus(void* pUserData, ma_read_proc
return MA_SUCCESS;
}
static ma_result ma_decoding_backend_init_file__libopus(void* pUserData, const char* pFilePath, const ma_decoding_backend_config* pConfig, const ma_allocation_callbacks* pAllocationCallbacks, ma_data_source** ppBackend)
{
ma_result result;
ma_libopus* pOpus;
(void)pUserData;
pOpus = (ma_libopus*)ma_malloc(sizeof(*pOpus), pAllocationCallbacks);
if (pOpus == NULL) {
return MA_OUT_OF_MEMORY;
}
result = ma_libopus_init_file(pFilePath, pConfig, pAllocationCallbacks, pOpus);
if (result != MA_SUCCESS) {
ma_free(pOpus, pAllocationCallbacks);
return result;
}
*ppBackend = pOpus;
return MA_SUCCESS;
}
static void ma_decoding_backend_uninit__libopus(void* pUserData, ma_data_source* pBackend, const ma_allocation_callbacks* pAllocationCallbacks)
{
ma_libopus* pOpus = (ma_libopus*)pBackend;
(void)pUserData;
ma_libopus_uninit(pOpus, pAllocationCallbacks);
ma_libopus_uninit(pOpus);
ma_free(pOpus, pAllocationCallbacks);
}
@@ -540,8 +486,6 @@ static ma_decoding_backend_vtable ma_gDecodingBackendVTable_libopus =
{
ma_decoding_backend_info__libopus,
ma_decoding_backend_init__libopus,
ma_decoding_backend_init_file__libopus,
NULL, /* onInitFileW() */
NULL, /* onInitMemory() */
ma_decoding_backend_uninit__libopus
};