--- a/openalbridge/loaders.h Mon Jun 29 20:01:05 2009 +0000
+++ b/openalbridge/loaders.h Mon Jun 29 23:03:25 2009 +0000
@@ -15,18 +15,9 @@
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
*/
-#include <stdio.h>
-#include <stdlib.h>
-#include "al.h"
-#include "alc.h"
-#include "endianness.h"
-#include "wrappers.h"
-#ifndef _WIN32
-#include <stdint.h>
-#else
-#include "winstdint.h"
-#endif
+#include "globals.h"
+
#ifdef __CPLUSPLUS
extern "C" {
@@ -34,221 +25,6 @@
#pragma once
-#pragma pack(1)
- typedef struct _WAV_header_t {
- uint32_t ChunkID;
- uint32_t ChunkSize;
- uint32_t Format;
- uint32_t Subchunk1ID;
- uint32_t Subchunk1Size;
- uint16_t AudioFormat;
- uint16_t NumChannels;
- uint32_t SampleRate;
- uint32_t ByteRate;
- uint16_t BlockAlign;
- uint16_t BitsPerSample;
- uint32_t Subchunk2ID;
- uint32_t Subchunk2Size;
- } WAV_header_t;
-#pragma pack()
-
- /*data types for ogg and vorbis*/
-#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;
-
-
int load_WavPcm (const char *filename, ALenum *format, uint8_t **data, ALsizei *bitsize, ALsizei *freq);
int load_OggVorbis (const char *filename, ALenum *format, uint8_t **data, ALsizei *bitsize, ALsizei *freq);