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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/libvorbis/miniaudio_libvorbis.c
+2 -60
View File
@@ -138,7 +138,7 @@ static ma_result ma_libvorbis_init_internal(const ma_decoding_backend_config* pC
ma_data_source_config dataSourceConfig;
dataSourceConfig = ma_data_source_config_init();
dataSourceConfig.vtable = &ma_gDataSourceVTable_libvorbis;
dataSourceConfig.pVTable = &ma_gDataSourceVTable_libvorbis;
result = ma_data_source_base_init(&dataSourceConfig, &pVorbis->ds);
if (result != MA_SUCCESS) {
@@ -211,39 +211,6 @@ MA_API ma_result ma_libvorbis_init(ma_read_proc onRead, ma_seek_proc onSeek, ma_
#endif
}
MA_API ma_result ma_libvorbis_init_file(const char* pFilePath, const ma_decoding_backend_config* pConfig, const ma_allocation_callbacks* pAllocationCallbacks, ma_libvorbis* pVorbis)
{
ma_result result;
(void)pAllocationCallbacks; /* Can't seem to find a way to configure memory allocations in libvorbis. */
result = ma_libvorbis_init_internal(pConfig, pAllocationCallbacks, pVorbis);
if (result != MA_SUCCESS) {
return result;
}
#if !defined(MA_NO_LIBVORBIS)
{
int libvorbisResult;
libvorbisResult = ov_fopen(pFilePath, (OggVorbis_File*)pVorbis->vf);
if (libvorbisResult < 0) {
ma_data_source_base_uninit(&pVorbis->ds);
ma_free(pVorbis->vf, pAllocationCallbacks);
return MA_INVALID_FILE;
}
return MA_SUCCESS;
}
#else
{
/* libvorbis is disabled. */
(void)pFilePath;
return MA_NOT_IMPLEMENTED;
}
#endif
}
MA_API void ma_libvorbis_uninit(ma_libvorbis* pVorbis)
{
if (pVorbis == NULL) {
@@ -557,36 +524,13 @@ static ma_result ma_decoding_backend_init__libvorbis(void* pUserData, ma_read_pr
return MA_SUCCESS;
}
static ma_result ma_decoding_backend_init_file__libvorbis(void* pUserData, const char* pFilePath, const ma_decoding_backend_config* pConfig, const ma_allocation_callbacks* pAllocationCallbacks, ma_data_source** ppBackend)
{
ma_result result;
ma_libvorbis* pVorbis;
(void)pUserData;
pVorbis = (ma_libvorbis*)ma_malloc(sizeof(*pVorbis), pAllocationCallbacks);
if (pVorbis == NULL) {
return MA_OUT_OF_MEMORY;
}
result = ma_libvorbis_init_file(pFilePath, pConfig, pAllocationCallbacks, pVorbis);
if (result != MA_SUCCESS) {
ma_free(pVorbis, pAllocationCallbacks);
return result;
}
*ppBackend = pVorbis;
return MA_SUCCESS;
}
static void ma_decoding_backend_uninit__libvorbis(void* pUserData, ma_data_source* pBackend, const ma_allocation_callbacks* pAllocationCallbacks)
{
ma_libvorbis* pVorbis = (ma_libvorbis*)pBackend;
(void)pUserData;
ma_libvorbis_uninit(pVorbis, pAllocationCallbacks);
ma_libvorbis_uninit(pVorbis);
ma_free(pVorbis, pAllocationCallbacks);
}
@@ -594,8 +538,6 @@ static ma_decoding_backend_vtable ma_gDecodingBackendVTable_libvorbis =
{
ma_decoding_backend_info__libvorbis,
ma_decoding_backend_init__libvorbis,
ma_decoding_backend_init_file__libvorbis,
NULL, /* onInitFileW() */
NULL, /* onInitMemory() */
ma_decoding_backend_uninit__libvorbis
};