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