initial port of xmms-shorten plugin

no gapless playback, no configuration, no sample-accurate seeking

1 files changed, 222 insertions, 0 deletions

diff --git a/plugins/shn/shorten.h b/plugins/shn/shorten.h
new file mode 100644
index 00000000..006b9bee
--- /dev/null
+++ b/plugins/shn/shorten.h
@@ -0,0 +1,222 @@
+/******************************************************************************
+*                                                                             *
+*  Copyright (C) 1992-1995 Tony Robinson                                      *
+*                                                                             *
+*  See the file doc/LICENSE.shorten for conditions on distribution and usage  *
+*                                                                             *
+******************************************************************************/
+
+/*
+ * $Id: shorten.h,v 1.4 2001/12/30 05:12:04 jason Exp $
+ */
+
+#ifndef _SHORTEN_H
+#define _SHORTEN_H
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <stdlib.h>
+#include <pthread.h>
+
+#ifdef HAVE_INTTYPES_H
+#  include <inttypes.h>
+#else
+#  if SIZEOF_UNSIGNED_LONG == 4
+#    define uint32_t unsigned long
+#    define int32_t long
+#  else
+#    define uint32_t unsigned int
+#    define int32_t int
+#  endif
+#  define uint16_t unsigned short
+#  define uint8_t unsigned char
+#  define int16_t short
+#  define int8_t char
+#endif
+
+#undef  ulong
+#undef  ushort
+#undef  uchar
+#undef  slong
+#undef  sshort
+#undef  schar
+#define ulong   uint32_t
+#define ushort  uint16_t
+#define uchar   uint8_t
+#define slong   int32_t
+#define sshort  int16_t
+#define schar   int8_t
+
+#include "shn.h"
+
+extern shn_file *shnfile;
+
+#define MAGIC			"ajkg"
+#define FORMAT_VERSION		2
+#define MIN_SUPPORTED_VERSION	1
+#define MAX_SUPPORTED_VERSION	3
+#define MAX_VERSION		7
+
+#define UNDEFINED_UINT		-1
+#define DEFAULT_BLOCK_SIZE	256
+#define DEFAULT_V0NMEAN	0
+#define DEFAULT_V2NMEAN	4
+#define DEFAULT_MAXNLPC	0
+#define DEFAULT_NCHAN		1
+#define DEFAULT_NSKIP		0
+#define DEFAULT_NDISCARD	0
+#define NBITPERLONG		32
+#define DEFAULT_MINSNR          256
+#define DEFAULT_MAXRESNSTR	"32.0"
+#define DEFAULT_QUANTERROR	0
+#define MINBITRATE		2.5
+
+#define MAX_LPC_ORDER	64
+#define CHANSIZE	0
+#define ENERGYSIZE	3
+#define BITSHIFTSIZE	2
+#define NWRAP		3
+
+#define FNSIZE		2
+#define FN_DIFF0	0
+#define FN_DIFF1	1
+#define FN_DIFF2	2
+#define FN_DIFF3	3
+#define FN_QUIT		4
+#define FN_BLOCKSIZE	5
+#define FN_BITSHIFT	6
+#define FN_QLPC		7
+#define FN_ZERO		8
+#define FN_VERBATIM     9
+
+#define VERBATIM_CKSIZE_SIZE 5	/* a var_put code size */
+#define VERBATIM_BYTE_SIZE 8	/* code size 8 on single bytes means
+				 * no compression at all */
+#define VERBATIM_CHUNK_MAX 256	/* max. size of a FN_VERBATIM chunk */
+
+#define ULONGSIZE	2
+#define NSKIPSIZE	1
+#define LPCQSIZE	2
+#define LPCQUANT	5
+#define XBYTESIZE	7
+
+#define TYPESIZE	4
+#define TYPE_AU1	0	/* original lossless ulaw                    */
+#define TYPE_S8	        1	/* signed 8 bit characters                   */
+#define TYPE_U8         2	/* unsigned 8 bit characters                 */
+#define TYPE_S16HL	3	/* signed 16 bit shorts: high-low            */
+#define TYPE_U16HL	4	/* unsigned 16 bit shorts: high-low          */
+#define TYPE_S16LH	5	/* signed 16 bit shorts: low-high            */
+#define TYPE_U16LH	6	/* unsigned 16 bit shorts: low-high          */
+#define TYPE_ULAW	7	/* lossy ulaw: internal conversion to linear */
+#define TYPE_AU2	8	/* new ulaw with zero mapping                */
+#define TYPE_AU3	9	/* lossless alaw                             */
+#define TYPE_ALAW 	10	/* lossy alaw: internal conversion to linear */
+#define TYPE_RIFF_WAVE  11	/* Microsoft .WAV files                      */
+#define TYPE_EOF	12
+#define TYPE_GENERIC_ULAW 128
+#define TYPE_GENERIC_ALAW 129
+
+#define POSITIVE_ULAW_ZERO 0xff
+#define NEGATIVE_ULAW_ZERO 0x7f
+
+#ifndef MAX_PATH
+#define MAX_PATH 2048
+#endif
+
+#ifndef	MIN
+#define MIN(a,b) (((a)<(b))?(a):(b))
+#endif
+
+#ifndef	MAX
+#define MAX(a,b) (((a)>(b))?(a):(b))
+#endif
+
+#if defined(unix) && !defined(linux)
+#define labs abs
+#endif
+
+#define ROUNDEDSHIFTDOWN(x, n) (((n) == 0) ? (x) : ((x) >> ((n) - 1)) >> 1)
+
+#ifndef M_LN2
+#define	M_LN2	0.69314718055994530942
+#endif
+
+#ifndef M_PI
+#define M_PI	3.14159265358979323846
+#endif
+
+/* BUFSIZ must be a multiple of four to contain a whole number of words */
+#ifdef BUFSIZ
+#undef BUFSIZ
+#endif
+
+#define BUFSIZ 512
+
+#define V2LPCQOFFSET (1 << LPCQUANT);
+
+#define UINT_GET(nbit, shnfile) \
+  ((version == 0) ? uvar_get(nbit, shnfile) : ulong_get(shnfile))
+
+#define putc_exit(val, stream)\
+{ char rval;\
+  if((rval = putc((val), (stream))) != (char) (val))\
+    complain("FATALERROR: write failed: putc returns EOF");\
+}
+
+extern int getc_exit_val;
+#define getc_exit(stream)\
+(((getc_exit_val = getc(stream)) == EOF) ? \
+  complain("FATALERROR: read failed: getc returns EOF"), 0: getc_exit_val)
+
+/************************/
+/* defined in shorten.c */
+extern void	init_offset(slong**, int, int, int);
+extern int	shorten(FILE*, FILE*, int, char**);
+
+/**************************/
+/* defined in Sulawalaw.c */
+extern int Sulaw2lineartab[];
+#define Sulaw2linear(i) (Sulaw2lineartab[i])
+#ifndef Sulaw2linear
+extern int	Sulaw2linear(uchar);
+#endif
+extern uchar	Slinear2ulaw(int);
+
+extern int Salaw2lineartab[];
+#define Salaw2linear(i) (Salaw2lineartab[i])
+#ifndef Salaw2linear
+extern int	Salaw2linear(uchar);
+#endif
+extern uchar	Slinear2alaw(int);
+
+/**********************/
+/* defined in fixio.c */
+extern void	init_sizeof_sample(void);
+extern void     fwrite_type_init(shn_file*);
+extern void     fwrite_type(slong**,int,int,int,shn_file*);
+extern void     fwrite_type_quit(shn_file*);
+extern void	fix_bitshift(slong*, int, int, int);
+
+/**********************/
+/* defined in vario.c */
+extern void	var_get_init(shn_file*);
+extern slong	uvar_get(int, shn_file*);
+extern slong	var_get(int, shn_file*);
+extern ulong	ulong_get(shn_file*);
+extern void	var_get_quit(shn_file*);
+
+extern int	sizeof_uvar(ulong, int);
+extern int	sizeof_var(slong, int);
+
+extern void	mkmasktab(void);
+extern ulong	word_get(shn_file*);
+
+/**********************/
+/* defined in array.c */
+extern void* 	pmalloc(ulong, shn_file*);
+extern slong**	long2d(ulong, ulong, shn_file*);
+
+#endif