Initial Commit

thirdparty/miniaudio-0.11.24/extras/decoders/libvorbis/miniaudio_libvorbis.c

@@ -0,0 +1,591 @@
+#ifndef miniaudio_libvorbis_c
+#define miniaudio_libvorbis_c
+
+#include "miniaudio_libvorbis.h"
+
+#if !defined(MA_NO_LIBVORBIS)
+#ifndef OV_EXCLUDE_STATIC_CALLBACKS
+#define OV_EXCLUDE_STATIC_CALLBACKS
+#endif
+#include <vorbis/vorbisfile.h>
+#endif
+
+#include <string.h> /* For memset(). */
+#include <assert.h>
+
+static ma_result ma_libvorbis_ds_read(ma_data_source* pDataSource, void* pFramesOut, ma_uint64 frameCount, ma_uint64* pFramesRead)
+{
+    return ma_libvorbis_read_pcm_frames((ma_libvorbis*)pDataSource, pFramesOut, frameCount, pFramesRead);
+}
+
+static ma_result ma_libvorbis_ds_seek(ma_data_source* pDataSource, ma_uint64 frameIndex)
+{
+    return ma_libvorbis_seek_to_pcm_frame((ma_libvorbis*)pDataSource, frameIndex);
+}
+
+static ma_result ma_libvorbis_ds_get_data_format(ma_data_source* pDataSource, ma_format* pFormat, ma_uint32* pChannels, ma_uint32* pSampleRate, ma_channel* pChannelMap, size_t channelMapCap)
+{
+    return ma_libvorbis_get_data_format((ma_libvorbis*)pDataSource, pFormat, pChannels, pSampleRate, pChannelMap, channelMapCap);
+}
+
+static ma_result ma_libvorbis_ds_get_cursor(ma_data_source* pDataSource, ma_uint64* pCursor)
+{
+    return ma_libvorbis_get_cursor_in_pcm_frames((ma_libvorbis*)pDataSource, pCursor);
+}
+
+static ma_result ma_libvorbis_ds_get_length(ma_data_source* pDataSource, ma_uint64* pLength)
+{
+    return ma_libvorbis_get_length_in_pcm_frames((ma_libvorbis*)pDataSource, pLength);
+}
+
+static ma_data_source_vtable g_ma_libvorbis_ds_vtable =
+{
+    ma_libvorbis_ds_read,
+    ma_libvorbis_ds_seek,
+    ma_libvorbis_ds_get_data_format,
+    ma_libvorbis_ds_get_cursor,
+    ma_libvorbis_ds_get_length,
+    NULL,   /* onSetLooping */
+    0       /* flags */
+};
+
+
+#if !defined(MA_NO_LIBVORBIS)
+static size_t ma_libvorbis_vf_callback__read(void* pBufferOut, size_t size, size_t count, void* pUserData)
+{
+    ma_libvorbis* pVorbis = (ma_libvorbis*)pUserData;
+    ma_result result;
+    size_t bytesToRead;
+    size_t bytesRead;
+
+    /* For consistency with fread(). If `size` of `count` is 0, return 0 immediately without changing anything. */
+    if (size == 0 || count == 0) {
+        return 0;
+    }
+
+    bytesToRead = size * count;
+    result = pVorbis->onRead(pVorbis->pReadSeekTellUserData, pBufferOut, bytesToRead, &bytesRead);
+    if (result != MA_SUCCESS) {
+        /* Not entirely sure what to return here. What if an error occurs, but some data was read and bytesRead is > 0? */
+        return 0;
+    }
+
+    return bytesRead / size;
+}
+
+static int ma_libvorbis_vf_callback__seek(void* pUserData, ogg_int64_t offset, int whence)
+{
+    ma_libvorbis* pVorbis = (ma_libvorbis*)pUserData;
+    ma_result result;
+    ma_seek_origin origin;
+
+    if (whence == SEEK_SET) {
+        origin = ma_seek_origin_start;
+    } else if (whence == SEEK_END) {
+        origin = ma_seek_origin_end;
+    } else {
+        origin = ma_seek_origin_current;
+    }
+
+    result = pVorbis->onSeek(pVorbis->pReadSeekTellUserData, offset, origin);
+    if (result != MA_SUCCESS) {
+        return -1;
+    }
+
+    return 0;
+}
+
+static long ma_libvorbis_vf_callback__tell(void* pUserData)
+{
+    ma_libvorbis* pVorbis = (ma_libvorbis*)pUserData;
+    ma_result result;
+    ma_int64 cursor;
+    
+    result = pVorbis->onTell(pVorbis->pReadSeekTellUserData, &cursor);
+    if (result != MA_SUCCESS) {
+        return -1;
+    }
+
+    return (long)cursor;
+}
+#endif
+
+static ma_result ma_libvorbis_init_internal(const ma_decoding_backend_config* pConfig, const ma_allocation_callbacks* pAllocationCallbacks, ma_libvorbis* pVorbis)
+{
+    if (pVorbis == NULL) {
+        return MA_INVALID_ARGS;
+    }
+
+    memset(pVorbis, 0, sizeof(*pVorbis));
+    pVorbis->format = ma_format_f32;    /* f32 by default. */
+
+    if (pConfig != NULL && (pConfig->preferredFormat == ma_format_f32 || pConfig->preferredFormat == ma_format_s16)) {
+        pVorbis->format = pConfig->preferredFormat;
+    } else {
+        /* Getting here means something other than f32 and s16 was specified. Just leave this unset to use the default format. */
+    }
+
+    #if !defined(MA_NO_LIBVORBIS)
+    {
+        ma_result result;
+        ma_data_source_config dataSourceConfig;
+
+        dataSourceConfig = ma_data_source_config_init();
+        dataSourceConfig.vtable = &g_ma_libvorbis_ds_vtable;
+
+        result = ma_data_source_init(&dataSourceConfig, &pVorbis->ds);
+        if (result != MA_SUCCESS) {
+            return result;  /* Failed to initialize the base data source. */
+        }
+
+        pVorbis->vf = (OggVorbis_File*)ma_malloc(sizeof(OggVorbis_File), pAllocationCallbacks);
+        if (pVorbis->vf == NULL) {
+            ma_data_source_uninit(&pVorbis->ds);
+            return MA_OUT_OF_MEMORY;
+        }
+
+        return MA_SUCCESS;
+    }
+    #else
+    {
+        /* libvorbis is disabled. */
+        (void)pAllocationCallbacks;
+        return MA_NOT_IMPLEMENTED;
+    }
+    #endif
+}
+
+MA_API ma_result ma_libvorbis_init(ma_read_proc onRead, ma_seek_proc onSeek, ma_tell_proc onTell, void* pReadSeekTellUserData, 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. */
+
+    if (onRead == NULL || onSeek == NULL) {
+        return MA_INVALID_ARGS; /* onRead and onSeek are mandatory. */
+    }
+    
+    result = ma_libvorbis_init_internal(pConfig, pAllocationCallbacks, pVorbis);
+    if (result != MA_SUCCESS) {
+        return result;
+    }
+
+    pVorbis->onRead = onRead;
+    pVorbis->onSeek = onSeek;
+    pVorbis->onTell = onTell;
+    pVorbis->pReadSeekTellUserData = pReadSeekTellUserData;
+
+    #if !defined(MA_NO_LIBVORBIS)
+    {
+        int libvorbisResult;
+        ov_callbacks libvorbisCallbacks;
+
+        /* We can now initialize the vorbis decoder. This must be done after we've set up the callbacks. */
+        libvorbisCallbacks.read_func  = ma_libvorbis_vf_callback__read;
+        libvorbisCallbacks.seek_func  = ma_libvorbis_vf_callback__seek;
+        libvorbisCallbacks.close_func = NULL;
+        libvorbisCallbacks.tell_func  = ma_libvorbis_vf_callback__tell;
+
+        libvorbisResult = ov_open_callbacks(pVorbis, (OggVorbis_File*)pVorbis->vf, NULL, 0, libvorbisCallbacks);
+        if (libvorbisResult < 0) {
+            ma_data_source_uninit(&pVorbis->ds);
+            ma_free(pVorbis->vf, pAllocationCallbacks);
+            return MA_INVALID_FILE;
+        }
+
+        return MA_SUCCESS;
+    }
+    #else
+    {
+        /* libvorbis is disabled. */
+        return MA_NOT_IMPLEMENTED;
+    }
+    #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_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, const ma_allocation_callbacks* pAllocationCallbacks)
+{
+    if (pVorbis == NULL) {
+        return;
+    }
+
+    (void)pAllocationCallbacks;
+
+    #if !defined(MA_NO_LIBVORBIS)
+    {
+        ov_clear((OggVorbis_File*)pVorbis->vf);
+    }
+    #else
+    {
+        /* libvorbis is disabled. Should never hit this since initialization would have failed. */
+        assert(MA_FALSE);
+    }
+    #endif
+
+    ma_data_source_uninit(&pVorbis->ds);
+    ma_free(pVorbis->vf, pAllocationCallbacks);
+}
+
+MA_API ma_result ma_libvorbis_read_pcm_frames(ma_libvorbis* pVorbis, void* pFramesOut, ma_uint64 frameCount, ma_uint64* pFramesRead)
+{
+    if (pFramesRead != NULL) {
+        *pFramesRead = 0;
+    }
+
+    if (frameCount == 0) {
+        return MA_INVALID_ARGS;
+    }
+
+    if (pVorbis == NULL) {
+        return MA_INVALID_ARGS;
+    }
+
+    #if !defined(MA_NO_LIBVORBIS)
+    {
+        /* We always use floating point format. */
+        ma_result result = MA_SUCCESS;  /* Must be initialized to MA_SUCCESS. */
+        ma_uint64 totalFramesRead;
+        ma_format format;
+        ma_uint32 channels;
+
+        ma_libvorbis_get_data_format(pVorbis, &format, &channels, NULL, NULL, 0);
+
+        totalFramesRead = 0;
+        while (totalFramesRead < frameCount) {
+            long libvorbisResult;
+            ma_uint64 framesToRead;
+            ma_uint64 framesRemaining;
+
+            framesRemaining = (frameCount - totalFramesRead);
+            framesToRead = 1024;
+            if (framesToRead > framesRemaining) {
+                framesToRead = framesRemaining;
+            }
+
+            if (format == ma_format_f32) {
+                float** ppFramesF32;
+
+                libvorbisResult = ov_read_float((OggVorbis_File*)pVorbis->vf, &ppFramesF32, (int)framesToRead, NULL);
+                if (libvorbisResult < 0) {
+                    result = MA_ERROR;  /* Error while decoding. */
+                    break;
+                } else {
+                    /* Frames need to be interleaved. */
+                    ma_interleave_pcm_frames(format, channels, libvorbisResult, (const void**)ppFramesF32, ma_offset_pcm_frames_ptr(pFramesOut, totalFramesRead, format, channels));
+                    totalFramesRead += libvorbisResult;
+
+                    if (libvorbisResult == 0) {
+                        result = MA_AT_END;
+                        break;
+                    }
+                }
+            } else {
+                libvorbisResult = ov_read((OggVorbis_File*)pVorbis->vf, (char*)ma_offset_pcm_frames_ptr(pFramesOut, totalFramesRead, format, channels), (int)(framesToRead * ma_get_bytes_per_frame(format, channels)), 0, 2, 1, NULL);
+                if (libvorbisResult < 0) {
+                    result = MA_ERROR;  /* Error while decoding. */
+                    break;
+                } else {
+                    /* Conveniently, there's no need to interleaving when using ov_read(). I'm not sure why ov_read_float() is different in that regard... */
+                    totalFramesRead += libvorbisResult / ma_get_bytes_per_frame(format, channels);
+
+                    if (libvorbisResult == 0) {
+                        result = MA_AT_END;
+                        break;
+                    }
+                }
+            }
+        }
+
+        if (pFramesRead != NULL) {
+            *pFramesRead = totalFramesRead;
+        }
+
+        if (result == MA_SUCCESS && totalFramesRead == 0) {
+            result = MA_AT_END;
+        }
+
+        return result;
+    }
+    #else
+    {
+        /* libvorbis is disabled. Should never hit this since initialization would have failed. */
+        assert(MA_FALSE);
+
+        (void)pFramesOut;
+        (void)frameCount;
+        (void)pFramesRead;
+
+        return MA_NOT_IMPLEMENTED;
+    }
+    #endif
+}
+
+MA_API ma_result ma_libvorbis_seek_to_pcm_frame(ma_libvorbis* pVorbis, ma_uint64 frameIndex)
+{
+    if (pVorbis == NULL) {
+        return MA_INVALID_ARGS;
+    }
+
+    #if !defined(MA_NO_LIBVORBIS)
+    {
+        int libvorbisResult = ov_pcm_seek((OggVorbis_File*)pVorbis->vf, (ogg_int64_t)frameIndex);
+        if (libvorbisResult != 0) {
+            if (libvorbisResult == OV_ENOSEEK) {
+                return MA_INVALID_OPERATION;    /* Not seekable. */
+            } else if (libvorbisResult == OV_EINVAL) {
+                return MA_INVALID_ARGS;
+            } else {
+                return MA_ERROR;
+            }
+        }
+
+        return MA_SUCCESS;
+    }
+    #else
+    {
+        /* libvorbis is disabled. Should never hit this since initialization would have failed. */
+        assert(MA_FALSE);
+
+        (void)frameIndex;
+
+        return MA_NOT_IMPLEMENTED;
+    }
+    #endif
+}
+
+MA_API ma_result ma_libvorbis_get_data_format(ma_libvorbis* pVorbis, ma_format* pFormat, ma_uint32* pChannels, ma_uint32* pSampleRate, ma_channel* pChannelMap, size_t channelMapCap)
+{
+    /* Defaults for safety. */
+    if (pFormat != NULL) {
+        *pFormat = ma_format_unknown;
+    }
+    if (pChannels != NULL) {
+        *pChannels = 0;
+    }
+    if (pSampleRate != NULL) {
+        *pSampleRate = 0;
+    }
+    if (pChannelMap != NULL) {
+        memset(pChannelMap, 0, sizeof(*pChannelMap) * channelMapCap);
+    }
+
+    if (pVorbis == NULL) {
+        return MA_INVALID_OPERATION;
+    }
+
+    if (pFormat != NULL) {
+        *pFormat = pVorbis->format;
+    }
+
+    #if !defined(MA_NO_LIBVORBIS)
+    {
+        vorbis_info* pInfo = ov_info((OggVorbis_File*)pVorbis->vf, 0);
+        if (pInfo == NULL) {
+            return MA_INVALID_OPERATION;
+        }
+
+        if (pChannels != NULL) {
+            *pChannels = pInfo->channels;
+        }
+
+        if (pSampleRate != NULL) {
+            *pSampleRate = pInfo->rate;
+        }
+
+        if (pChannelMap != NULL) {
+            ma_channel_map_init_standard(ma_standard_channel_map_vorbis, pChannelMap, channelMapCap, pInfo->channels);
+        }
+
+        return MA_SUCCESS;
+    }
+    #else
+    {
+        /* libvorbis is disabled. Should never hit this since initialization would have failed. */
+        assert(MA_FALSE);
+        return MA_NOT_IMPLEMENTED;
+    }
+    #endif
+}
+
+MA_API ma_result ma_libvorbis_get_cursor_in_pcm_frames(ma_libvorbis* pVorbis, ma_uint64* pCursor)
+{
+    if (pCursor == NULL) {
+        return MA_INVALID_ARGS;
+    }
+
+    *pCursor = 0;   /* Safety. */
+
+    if (pVorbis == NULL) {
+        return MA_INVALID_ARGS;
+    }
+
+    #if !defined(MA_NO_LIBVORBIS)
+    {
+        ogg_int64_t offset = ov_pcm_tell((OggVorbis_File*)pVorbis->vf);
+        if (offset < 0) {
+            return MA_INVALID_FILE;
+        }
+
+        *pCursor = (ma_uint64)offset;
+
+        return MA_SUCCESS;
+    }
+    #else
+    {
+        /* libvorbis is disabled. Should never hit this since initialization would have failed. */
+        assert(MA_FALSE);
+        return MA_NOT_IMPLEMENTED;
+    }
+    #endif
+}
+
+MA_API ma_result ma_libvorbis_get_length_in_pcm_frames(ma_libvorbis* pVorbis, ma_uint64* pLength)
+{
+    if (pLength == NULL) {
+        return MA_INVALID_ARGS;
+    }
+
+    *pLength = 0;   /* Safety. */
+
+    if (pVorbis == NULL) {
+        return MA_INVALID_ARGS;
+    }
+
+    #if !defined(MA_NO_LIBVORBIS)
+    {
+        /*
+        Will work in the supermajority of cases where a file has a single logical bitstream. Concatenated streams
+        are much harder to determine the length of since they can have sample rate changes, but they should be
+        extremely rare outside of unseekable livestreams anyway.
+        */
+        if (ov_streams((OggVorbis_File*)pVorbis->vf) == 1) {
+            ogg_int64_t length = ov_pcm_total((OggVorbis_File*)pVorbis->vf, 0);
+            if(length != OV_EINVAL) {
+                *pLength = (ma_uint64)length;
+            } else {
+                /* Unseekable. */
+            }
+        } else {
+            /* Concatenated stream. */
+        }
+
+        return MA_SUCCESS;
+    }
+    #else
+    {
+        /* libvorbis is disabled. Should never hit this since initialization would have failed. */
+        assert(MA_FALSE);
+        return MA_NOT_IMPLEMENTED;
+    }
+    #endif
+}
+
+
+/*
+The code below defines the vtable that you'll plug into your `ma_decoder_config` object.
+*/
+#if !defined(MA_NO_LIBVORBIS)
+static ma_result ma_decoding_backend_init__libvorbis(void* pUserData, ma_read_proc onRead, ma_seek_proc onSeek, ma_tell_proc onTell, void* pReadSeekTellUserData, 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(onRead, onSeek, onTell, pReadSeekTellUserData, pConfig, pAllocationCallbacks, pVorbis);
+    if (result != MA_SUCCESS) {
+        ma_free(pVorbis, pAllocationCallbacks);
+        return result;
+    }
+
+    *ppBackend = pVorbis;
+
+    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_free(pVorbis, pAllocationCallbacks);
+}
+
+
+static ma_decoding_backend_vtable ma_gDecodingBackendVTable_libvorbis =
+{
+    ma_decoding_backend_init__libvorbis,
+    ma_decoding_backend_init_file__libvorbis,
+    NULL, /* onInitFileW() */
+    NULL, /* onInitMemory() */
+    ma_decoding_backend_uninit__libvorbis
+};
+ma_decoding_backend_vtable* ma_decoding_backend_libvorbis = &ma_gDecodingBackendVTable_libvorbis;
+#else
+ma_decoding_backend_vtable* ma_decoding_backend_libvorbis = NULL;
+#endif
+
+#endif /* miniaudio_libvorbis_c */

thirdparty/miniaudio-0.11.24/extras/decoders/libvorbis/miniaudio_libvorbis.h

@@ -0,0 +1,42 @@
+/*
+This implements a data source that decodes Vorbis streams via libvorbis + libvorbisfile
+
+This object can be plugged into any `ma_data_source_*()` API and can also be used as a custom
+decoding backend. See the custom_decoder example.
+*/
+#ifndef miniaudio_libvorbis_h
+#define miniaudio_libvorbis_h
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include "../../../miniaudio.h"
+
+typedef struct
+{
+    ma_data_source_base ds;     /* The libvorbis decoder can be used independently as a data source. */
+    ma_read_proc onRead;
+    ma_seek_proc onSeek;
+    ma_tell_proc onTell;
+    void* pReadSeekTellUserData;
+    ma_format format;           /* Will be either f32 or s16. */
+    /*OggVorbis_File**/ void* vf;   /* Typed as void* so we can avoid a dependency on opusfile in the header section. */
+} ma_libvorbis;
+
+MA_API ma_result ma_libvorbis_init(ma_read_proc onRead, ma_seek_proc onSeek, ma_tell_proc onTell, void* pReadSeekTellUserData, const ma_decoding_backend_config* pConfig, const ma_allocation_callbacks* pAllocationCallbacks, ma_libvorbis* pVorbis);
+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_API void ma_libvorbis_uninit(ma_libvorbis* pVorbis, const ma_allocation_callbacks* pAllocationCallbacks);
+MA_API ma_result ma_libvorbis_read_pcm_frames(ma_libvorbis* pVorbis, void* pFramesOut, ma_uint64 frameCount, ma_uint64* pFramesRead);
+MA_API ma_result ma_libvorbis_seek_to_pcm_frame(ma_libvorbis* pVorbis, ma_uint64 frameIndex);
+MA_API ma_result ma_libvorbis_get_data_format(ma_libvorbis* pVorbis, ma_format* pFormat, ma_uint32* pChannels, ma_uint32* pSampleRate, ma_channel* pChannelMap, size_t channelMapCap);
+MA_API ma_result ma_libvorbis_get_cursor_in_pcm_frames(ma_libvorbis* pVorbis, ma_uint64* pCursor);
+MA_API ma_result ma_libvorbis_get_length_in_pcm_frames(ma_libvorbis* pVorbis, ma_uint64* pLength);
+
+/* Decoding backend vtable. This is what you'll plug into ma_decoder_config.pBackendVTables. No user data required. */
+extern ma_decoding_backend_vtable* ma_decoding_backend_libvorbis;
+
+#ifdef __cplusplus
+}
+#endif
+#endif  /* miniaudio_libvorbis_h */