diff -r ac5d14a35482 -r a767dd3786b5 openalbridge/oggvorbis.h --- a/openalbridge/oggvorbis.h Sat Apr 17 04:59:10 2010 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,175 +0,0 @@ -/******************************************************************** - * * - * THIS FILE IS PART OF THE OggVorbis SOFTWARE CODEC SOURCE CODE. * - * USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS * - * GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE * - * IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. * - * * - * THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2002 * - * by the Xiph.Org Foundation http://www.xiph.org/ * - * * - ********************************************************************/ - -#ifndef _OGGVORBIS_H -#define _OGGVORBIS_H - -/*data types for ogg and vorbis that are required to be external*/ -#ifndef ogg_int64_t -#define ogg_int64_t int64_t -#endif - -typedef struct { - unsigned char *data; - int storage; - int fill; - int returned; - int unsynced; - int headerbytes; - int bodybytes; -} ogg_sync_state; -typedef struct vorbis_info{ - int version; - int channels; - long rate; - /* The below bitrate declarations are *hints*. - Combinations of the three values carry the following implications: all three set to the same value: implies a fixed rate bitstream - only nominal set: implies a VBR stream that averages the nominal bitrate. No hard upper/lower limit - upper and or lower set: implies a VBR bitstream that obeys the bitrate limits. nominal may also be set to give a nominal rate. - none set: the coder does not care to speculate. */ - long bitrate_upper; - long bitrate_nominal; - long bitrate_lower; - long bitrate_window; - void *codec_setup; -} vorbis_info; -typedef struct vorbis_comment{ - /* unlimited user comment fields. libvorbis writes 'libvorbis' whatever vendor is set to in encode */ - char **user_comments; - int *comment_lengths; - int comments; - char *vendor; -} vorbis_comment; -typedef struct { - unsigned char *body_data; /* bytes from packet bodies */ - long body_storage; /* storage elements allocated */ - long body_fill; /* elements stored; fill mark */ - long body_returned; /* elements of fill returned */ - int *lacing_vals; /* The values that will go to the segment table */ - ogg_int64_t *granule_vals; - /* granulepos values for headers. Not compact this way, but it is simple coupled to the lacing fifo */ - long lacing_storage; - long lacing_fill; - long lacing_packet; - long lacing_returned; - unsigned char header[282]; /* working space for header encode */ - int header_fill; - int e_o_s; /* set when we have buffered the last packet in the logical bitstream */ - int b_o_s; /* set after we've written the initial page of a logical bitstream */ - long serialno; - long pageno; - ogg_int64_t packetno; - /* sequence number for decode; the framing knows where there's a hole in the data, - but we need coupling so that the codec (which is in a seperate abstraction layer) also knows about the gap */ - ogg_int64_t granulepos; -} ogg_stream_state; -typedef struct vorbis_dsp_state{ - int analysisp; - vorbis_info *vi; - float **pcm; - float **pcmret; - int pcm_storage; - int pcm_current; - int pcm_returned; - int preextrapolate; - int eofflag; - long lW; - long W; - long nW; - long centerW; - ogg_int64_t granulepos; - ogg_int64_t sequence; - ogg_int64_t glue_bits; - ogg_int64_t time_bits; - ogg_int64_t floor_bits; - ogg_int64_t res_bits; - void *backend_state; -} vorbis_dsp_state; -typedef struct { - long endbyte; - int endbit; - unsigned char *buffer; - unsigned char *ptr; - long storage; -} oggpack_buffer; -typedef struct vorbis_block{ - /* necessary stream state for linking to the framing abstraction */ - float **pcm; /* this is a pointer into local storage */ - oggpack_buffer opb; - long lW; - long W; - long nW; - int pcmend; - int mode; - int eofflag; - ogg_int64_t granulepos; - ogg_int64_t sequence; - vorbis_dsp_state *vd; /* For read-only access of configuration */ - /* local storage to avoid remallocing; it's up to the mapping to structure it */ - void *localstore; - long localtop; - long localalloc; - long totaluse; - struct alloc_chain *reap; - /* bitmetrics for the frame */ - long glue_bits; - long time_bits; - long floor_bits; - long res_bits; - void *internal; -} vorbis_block; -typedef struct { - size_t (*read_func) (void *ptr, size_t size, size_t nmemb, void *datasource); - int (*seek_func) (void *datasource, ogg_int64_t offset, int whence); - int (*close_func) (void *datasource); - long (*tell_func) (void *datasource); -} ov_callbacks; -typedef struct OggVorbis_File { - void *datasource; /* Pointer to a FILE *, etc. */ - int seekable; - ogg_int64_t offset; - ogg_int64_t end; - ogg_sync_state oy; - /* If the FILE handle isn't seekable (eg, a pipe), only the current stream appears */ - int links; - ogg_int64_t *offsets; - ogg_int64_t *dataoffsets; - long *serialnos; - ogg_int64_t *pcmlengths; - /* overloaded to maintain binary - compatability; x2 size, stores both - beginning and end values */ - vorbis_info *vi; - vorbis_comment *vc; - /* Decoding working state local storage */ - ogg_int64_t pcm_offset; - int ready_state; - long current_serialno; - int current_link; - double bittrack; - double samptrack; - ogg_stream_state os; /* take physical pages, weld into a logical stream of packets */ - vorbis_dsp_state vd; /* central working state for the packet->PCM decoder */ - vorbis_block vb; /* local working space for packet->PCM decode */ - ov_callbacks callbacks; -} OggVorbis_File; - - -extern int ov_open(FILE *f,OggVorbis_File *vf,char *initial,long ibytes); -extern int ov_fopen(char *path,OggVorbis_File *vf); -extern long ov_read(OggVorbis_File *vf,char *buffer,int length,int bigendianp,int word,int sgned,int *bitstream); -extern ogg_int64_t ov_pcm_total(OggVorbis_File *vf,int i); -extern vorbis_info *ov_info(OggVorbis_File *vf,int link); -extern vorbis_comment *ov_comment(OggVorbis_File *f, int num); -extern int ov_clear(OggVorbis_File *vf); - -#endif /*_OGGVORBIS_H*/