Initial revision

svn path=/trunk/ogg/; revision=618

3 files changed, 216 insertions, 0 deletions

diff --git a/include/ogg/Makefile.am b/include/ogg/Makefile.am
new file mode 100644
index 0000000..a272f8c
--- /dev/null
+++ b/include/ogg/Makefile.am
@@ -0,0 +1,7 @@
+## Process this file with automake to produce Makefile.in
+
+AUTOMAKE_OPTIONS = foreign
+
+includedir = $(prefix)/include/ogg
+
+include_HEADERS = ogg.h os_types.h
diff --git a/include/ogg/ogg.h b/include/ogg/ogg.h
new file mode 100644
index 0000000..7853fa7
--- /dev/null
+++ b/include/ogg/ogg.h
@@ -0,0 +1,154 @@
+#ifndef _OGG_H
+#define _OGG_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <ogg/os_types.h>
+
+typedef struct {
+  long endbyte;
+  int  endbit;
+
+  unsigned char *buffer;
+  unsigned char *ptr;
+  long storage;
+} oggpack_buffer;
+
+/* ogg_page is used to encapsulate the data in one Ogg bitstream page *****/
+
+typedef struct {
+  unsigned char *header;
+  long header_len;
+  unsigned char *body;
+  long body_len;
+} ogg_page;
+
+/* ogg_stream_state contains the current encode/decode state of a logical
+   Ogg bitstream **********************************************************/
+
+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;
+  int      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;
+
+/* ogg_packet is used to encapsulate the data and metadata belonging
+   to a single raw Ogg/Vorbis packet *************************************/
+
+typedef struct {
+  unsigned char *packet;
+  long  bytes;
+  long  b_o_s;
+  long  e_o_s;
+
+  ogg_int64_t  frameno;
+  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_packet;
+
+typedef struct {
+  unsigned char *data;
+  int storage;
+  int fill;
+  int returned;
+
+  int unsynced;
+  int headerbytes;
+  int bodybytes;
+} ogg_sync_state;
+
+/* Ogg BITSTREAM PRIMITIVES: bitstream ************************/
+
+extern void  oggpack_writeinit(oggpack_buffer *b);
+extern void  oggpack_reset(oggpack_buffer *b);
+extern void  oggpack_writeclear(oggpack_buffer *b);
+extern void  oggpack_readinit(oggpack_buffer *b,unsigned char *buf,int bytes);
+extern void  oggpack_write(oggpack_buffer *b,unsigned long value,int bits);
+extern long  oggpack_look(oggpack_buffer *b,int bits);
+extern long  oggpack_look_huff(oggpack_buffer *b,int bits);
+extern long  oggpack_look1(oggpack_buffer *b);
+extern void  oggpack_adv(oggpack_buffer *b,int bits);
+extern int   oggpack_adv_huff(oggpack_buffer *b,int bits);
+extern void  oggpack_adv1(oggpack_buffer *b);
+extern long  oggpack_read(oggpack_buffer *b,int bits);
+extern long  oggpack_read1(oggpack_buffer *b);
+extern long  oggpack_bytes(oggpack_buffer *b);
+extern long  oggpack_bits(oggpack_buffer *b);
+extern unsigned char *_oggpack_buffer(oggpack_buffer *b);
+
+/* Ogg BITSTREAM PRIMITIVES: encoding **************************/
+
+extern int      ogg_stream_packetin(ogg_stream_state *os, ogg_packet *op);
+extern int      ogg_stream_pageout(ogg_stream_state *os, ogg_page *og);
+extern int      ogg_stream_flush(ogg_stream_state *os, ogg_page *og);
+
+/* Ogg BITSTREAM PRIMITIVES: decoding **************************/
+
+extern int      ogg_sync_init(ogg_sync_state *oy);
+extern int      ogg_sync_clear(ogg_sync_state *oy);
+extern int      ogg_sync_destroy(ogg_sync_state *oy);
+extern int      ogg_sync_reset(ogg_sync_state *oy);
+
+extern char    *ogg_sync_buffer(ogg_sync_state *oy, long size);
+extern int      ogg_sync_wrote(ogg_sync_state *oy, long bytes);
+extern long     ogg_sync_pageseek(ogg_sync_state *oy,ogg_page *og);
+extern int      ogg_sync_pageout(ogg_sync_state *oy, ogg_page *og);
+extern int      ogg_stream_pagein(ogg_stream_state *os, ogg_page *og);
+extern int      ogg_stream_packetout(ogg_stream_state *os,ogg_packet *op);
+
+/* Ogg BITSTREAM PRIMITIVES: general ***************************/
+
+extern int      ogg_stream_init(ogg_stream_state *os,int serialno);
+extern int      ogg_stream_clear(ogg_stream_state *os);
+extern int      ogg_stream_reset(ogg_stream_state *os);
+extern int      ogg_stream_destroy(ogg_stream_state *os);
+extern int      ogg_stream_eof(ogg_stream_state *os);
+
+extern int      ogg_page_version(ogg_page *og);
+extern int      ogg_page_continued(ogg_page *og);
+extern int      ogg_page_bos(ogg_page *og);
+extern int      ogg_page_eos(ogg_page *og);
+extern ogg_int64_t  ogg_page_frameno(ogg_page *og);
+extern int      ogg_page_serialno(ogg_page *og);
+extern int      ogg_page_pageno(ogg_page *og);
+
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif  /* _OGG_H */
diff --git a/include/ogg/os_types.h.in b/include/ogg/os_types.h.in
new file mode 100644
index 0000000..7864170
--- /dev/null
+++ b/include/ogg/os_types.h.in
@@ -0,0 +1,55 @@
+#ifndef _OS_TYPES_H
+#define _OS_TYPES_H
+/********************************************************************
+ *                                                                  *
+ * THIS FILE IS PART OF THE Ogg Vorbis SOFTWARE CODEC SOURCE CODE.  *
+ * USE, DISTRIBUTION AND REPRODUCTION OF THIS SOURCE IS GOVERNED BY *
+ * THE GNU PUBLIC LICENSE 2, WHICH IS INCLUDED WITH THIS SOURCE.    *
+ * PLEASE READ THESE TERMS DISTRIBUTING.                            *
+ *                                                                  *
+ * THE OggSQUISH SOURCE CODE IS (C) COPYRIGHT 1994-2000             *
+ * by Monty <monty@xiph.org> and The XIPHOPHORUS Company            *
+ * http://www.xiph.org/                                             *
+ *                                                                  *
+ ********************************************************************
+
+ function: #ifdef jail to whip a few platforms into the UNIX ideal.
+ last mod: $Id: os_types.h.in,v 1.1 2000/09/03 05:54:27 jack Exp $
+
+ ********************************************************************/
+
+#ifdef _WIN32 
+#ifndef __GNUC__
+
+/* MSVC/Borland */
+typedef __int64 ogg_int64_t;
+typedef __int32 ogg_int32_t;
+typedef unsigned __int32 ogg_uint32_t;
+typedef __int16 ogg_int16_t;
+
+#else
+
+/* Cygwin */
+#include <_G_config.h>
+typedef _G_int64_t ogg_int64_t;
+typedef _G_int32_t ogg_int32_t;
+typedef unsigned _G_int32_t ogg_uint32_t;
+typedef _G_int16_t ogg_int16_t;
+#endif
+#else
+
+#ifdef __BEOS__
+/* Be */
+#include <inttypes.h>
+#endif
+
+#include <sys/types.h>
+
+/* filled in by configure */
+typedef @SIZE16@ ogg_int16_t;
+typedef @SIZE32@ ogg_int32_t;
+typedef @USIZE32@ ogg_uint32_t;
+typedef @SIZE64@ ogg_int64_t;
+
+#endif  /* _WIN32 */
+#endif  /* _OS_TYPES_H */