190 lines
4.3 KiB
C
190 lines
4.3 KiB
C
//=======================================================================
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// Copyright XashXT Group 2007 ©
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// s_openal.h - openal definition
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//=======================================================================
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#ifndef S_STREAM_H
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#define S_STREAM_H
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#include "byteorder.h"
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typedef __int64 ogg_int64_t;
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typedef __int32 ogg_int32_t;
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typedef unsigned __int32 ogg_uint32_t;
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typedef __int16 ogg_int16_t;
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typedef unsigned __int16 ogg_uint16_t;
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/*
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=======================================================================
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OGG PACK DEFINITION
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=======================================================================
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*/
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struct ogg_chain_s
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{
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void *ptr;
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struct alloc_chain *next;
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};
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typedef struct oggpack_buffer_s
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{
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long endbyte;
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int endbit;
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byte *buffer;
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byte *ptr;
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long storage;
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} oggpack_buffer_t;
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typedef struct ogg_sync_state_s
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{
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byte *data;
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int storage;
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int fill;
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int returned;
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int unsynced;
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int headerbytes;
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int bodybytes;
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} ogg_sync_state_t;
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typedef struct ogg_stream_state_s
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{
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byte *body_data;
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long body_storage;
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long body_fill;
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long body_returned;
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int *lacing_vals;
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ogg_int64_t *granule_vals;
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long lacing_storage;
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long lacing_fill;
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long lacing_packet;
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long lacing_returned;
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byte header[282];
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int header_fill;
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int e_o_s;
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int b_o_s;
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long serialno;
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long pageno;
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ogg_int64_t packetno;
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ogg_int64_t granulepos;
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} ogg_stream_state_t;
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/*
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=======================================================================
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VORBIS FILE DEFINITION
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=======================================================================
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*/
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typedef struct vorbis_info_s
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{
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int version;
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int channels;
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long rate;
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long bitrate_upper;
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long bitrate_nominal;
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long bitrate_lower;
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long bitrate_window;
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void *codec_setup;
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} vorbis_info_t;
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typedef struct vorbis_comment_s
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{
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char **user_comments;
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int *comment_lengths;
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int comments;
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char *vendor;
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} vorbis_comment_t;
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typedef struct vorbis_dsp_state_s
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{
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int analysisp;
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vorbis_info_t *vi;
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float **pcm;
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float **pcmret;
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int pcm_storage;
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int pcm_current;
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int pcm_returned;
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int preextrapolate;
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int eofflag;
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long lW;
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long W;
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long nW;
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long centerW;
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ogg_int64_t granulepos;
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ogg_int64_t sequence;
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ogg_int64_t glue_bits;
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ogg_int64_t time_bits;
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ogg_int64_t floor_bits;
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ogg_int64_t res_bits;
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void *backend_state;
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} vorbis_dsp_state_t;
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typedef struct vorbis_block_s
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{
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float **pcm;
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oggpack_buffer_t opb;
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long lW;
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long W;
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long nW;
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int pcmend;
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int mode;
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int eofflag;
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ogg_int64_t granulepos;
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ogg_int64_t sequence;
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vorbis_dsp_state_t *vd;
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void *localstore;
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long localtop;
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long localalloc;
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long totaluse;
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struct ogg_chain_s *reap;
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long glue_bits;
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long time_bits;
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long floor_bits;
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long res_bits;
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void *internal;
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} vorbis_block_t;
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typedef struct ov_callbacks_s
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{
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size_t (*read_func)( void *ptr, size_t size, size_t nmemb, void *datasource );
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int (*seek_func)( void *datasource, ogg_int64_t offset, int whence );
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int (*close_func)( void *datasource );
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long (*tell_func)( void *datasource );
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} ov_callbacks_t;
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typedef struct vorbisfile_s
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{
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void *datasource;
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int seekable;
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ogg_int64_t offset;
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ogg_int64_t end;
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ogg_sync_state_t oy;
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int links;
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ogg_int64_t *offsets;
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ogg_int64_t *dataoffsets;
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long *serialnos;
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ogg_int64_t *pcmlengths;
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vorbis_info_t *vi;
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vorbis_comment_t *vc;
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ogg_int64_t pcm_offset;
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int ready_state;
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long current_serialno;
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int current_link;
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double bittrack;
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double samptrack;
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ogg_stream_state_t os;
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vorbis_dsp_state_t vd;
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vorbis_block_t vb;
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ov_callbacks_t callbacks;
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} vorbisfile_t;
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// libvorbis exports
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int ov_open_callbacks( void *datasource, vorbisfile_t *vf, char *initial, long ibytes, ov_callbacks_t callbacks );
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long ov_read( vorbisfile_t *vf, char *buffer, int length, int bigendianp, int word, int sgned, int *bitstream );
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char *vorbis_comment_query( vorbis_comment_t *vc, char *tag, int count );
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vorbis_comment_t *ov_comment( vorbisfile_t *vf, int link );
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ogg_int64_t ov_pcm_total( vorbisfile_t *vf, int i );
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vorbis_info_t *ov_info( vorbisfile_t *vf, int link );
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int ov_raw_seek( vorbisfile_t *vf, ogg_int64_t pos );
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ogg_int64_t ov_raw_tell( vorbisfile_t *vf );
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int ov_clear( vorbisfile_t *vf);
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#endif//S_STREAM_H
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