785 lines
30 KiB
C
785 lines
30 KiB
C
/* _______ ____ __ ___ ___
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* \ _ \ \ / \ / \ \ / / ' ' '
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* | | \ \ | | || | \/ | . .
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* | | | | | | || ||\ /| |
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* | | | | | | || || \/ | | ' ' '
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* | | | | | | || || | | . .
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* | |_/ / \ \__// || | |
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* /_______/ynamic \____/niversal /__\ /____\usic /| . . ibliotheque
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* / \
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* / . \
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* dumb.h - The user header file for DUMB. / / \ \
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* | < / \_
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* Include this file in any of your files in | \/ /\ /
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* which you wish to use the DUMB functions \_ / > /
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* and variables. | \ / /
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* | ' /
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* Allegro users, you will probably want aldumb.h. \__/
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*/
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#ifndef DUMB_H
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#define DUMB_H
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#include <stdlib.h>
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#include <stdio.h>
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#ifdef _DEBUG
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#define _CRTDBG_MAP_ALLOC
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#include <crtdbg.h>
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#endif
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define DUMB_MAJOR_VERSION 0
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#define DUMB_MINOR_VERSION 9
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#define DUMB_REVISION_VERSION 3
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#define DUMB_VERSION (DUMB_MAJOR_VERSION*10000 + DUMB_MINOR_VERSION*100 + DUMB_REVISION_VERSION)
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#define DUMB_VERSION_STR "0.9.3"
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#define DUMB_NAME "DUMB v" DUMB_VERSION_STR
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#define DUMB_YEAR 2005
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#define DUMB_MONTH 8
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#define DUMB_DAY 7
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#define DUMB_YEAR_STR2 "05"
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#define DUMB_YEAR_STR4 "2005"
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#define DUMB_MONTH_STR1 "8"
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#define DUMB_DAY_STR1 "7"
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#if DUMB_MONTH < 10
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#define DUMB_MONTH_STR2 "0" DUMB_MONTH_STR1
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#else
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#define DUMB_MONTH_STR2 DUMB_MONTH_STR1
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#endif
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#if DUMB_DAY < 10
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#define DUMB_DAY_STR2 "0" DUMB_DAY_STR1
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#else
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#define DUMB_DAY_STR2 DUMB_DAY_STR1
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#endif
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/* WARNING: The month and day were inadvertently swapped in the v0.8 release.
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* Please do not compare this constant against any date in 2002. In
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* any case, DUMB_VERSION is probably more useful for this purpose.
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*/
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#define DUMB_DATE (DUMB_YEAR*10000 + DUMB_MONTH*100 + DUMB_DAY)
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#define DUMB_DATE_STR DUMB_DAY_STR1 "." DUMB_MONTH_STR1 "." DUMB_YEAR_STR4
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#undef MIN
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#undef MAX
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#undef MID
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#define MIN(x,y) (((x) < (y)) ? (x) : (y))
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#define MAX(x,y) (((x) > (y)) ? (x) : (y))
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#define MID(x,y,z) MAX((x), MIN((y), (z)))
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#undef ABS
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#define ABS(x) (((x) >= 0) ? (x) : (-(x)))
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#ifdef DEBUGMODE
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#ifndef ASSERT
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#include <assert.h>
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#define ASSERT(n) assert(n)
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#endif
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#ifndef TRACE
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// it would be nice if this did actually trace ...
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#define TRACE 1 ? (void)0 : (void)printf
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#endif
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#else
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#ifndef ASSERT
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#define ASSERT(n)
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#endif
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#ifndef TRACE
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#define TRACE 1 ? (void)0 : (void)printf
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#endif
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#endif
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#define DUMB_ID(a,b,c,d) (((unsigned int)(a) << 24) | \
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((unsigned int)(b) << 16) | \
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((unsigned int)(c) << 8) | \
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((unsigned int)(d) ))
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#ifndef LONG_LONG
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#if defined __GNUC__ || defined __INTEL_COMPILER || defined __MWERKS__
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#define LONG_LONG long long
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#elif defined _MSC_VER || defined __WATCOMC__
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#define LONG_LONG __int64
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#elif defined __sgi
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#define LONG_LONG long long
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#else
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#error 64-bit integer type unknown
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#endif
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#endif
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#if __GNUC__ * 100 + __GNUC_MINOR__ >= 301 /* GCC 3.1+ */
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#ifndef DUMB_DECLARE_DEPRECATED
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#define DUMB_DECLARE_DEPRECATED
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#endif
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#define DUMB_DEPRECATED __attribute__((__deprecated__))
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#else
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#define DUMB_DEPRECATED
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#endif
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/* Basic Sample Type. Normal range is -0x800000 to 0x7FFFFF. */
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typedef int sample_t;
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/* Library Clean-up Management */
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int dumb_atexit(void (*proc)(void));
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void dumb_exit(void);
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/* File Input Functions */
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typedef struct DUMBFILE_SYSTEM
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{
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void *(*open)(const char *filename);
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int (*skip)(void *f, long n);
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int (*getc)(void *f);
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long (*getnc)(char *ptr, long n, void *f);
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void (*close)(void *f);
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int (*seek)(void *f, long n);
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long (*get_size)(void *f);
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}
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DUMBFILE_SYSTEM;
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typedef struct DUMBFILE DUMBFILE;
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void register_dumbfile_system(const DUMBFILE_SYSTEM *dfs);
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DUMBFILE *dumbfile_open(const char *filename);
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DUMBFILE *dumbfile_open_ex(void *file, const DUMBFILE_SYSTEM *dfs);
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long dumbfile_pos(DUMBFILE *f);
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int dumbfile_skip(DUMBFILE *f, long n);
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#define DFS_SEEK_SET 0
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#define DFS_SEEK_CUR 1
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#define DFS_SEEK_END 2
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int dumbfile_seek(DUMBFILE *f, long n, int origin);
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long dumbfile_get_size(DUMBFILE *f);
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int dumbfile_getc(DUMBFILE *f);
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int dumbfile_igetw(DUMBFILE *f);
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int dumbfile_mgetw(DUMBFILE *f);
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long dumbfile_igetl(DUMBFILE *f);
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long dumbfile_mgetl(DUMBFILE *f);
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unsigned long dumbfile_cgetul(DUMBFILE *f);
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signed long dumbfile_cgetsl(DUMBFILE *f);
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long dumbfile_getnc(char *ptr, long n, DUMBFILE *f);
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int dumbfile_error(DUMBFILE *f);
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int dumbfile_close(DUMBFILE *f);
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/* stdio File Input Module */
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void dumb_register_stdfiles(void);
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DUMBFILE *dumbfile_open_stdfile(FILE *p);
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/* Memory File Input Module */
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DUMBFILE *dumbfile_open_memory(const char *data, long size);
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/* DUH Management */
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typedef struct DUH DUH;
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#define DUH_SIGNATURE DUMB_ID('D','U','H','!')
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void unload_duh(DUH *duh);
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DUH *load_duh(const char *filename);
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DUH *read_duh(DUMBFILE *f);
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long duh_get_length(DUH *duh);
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const char *duh_get_tag(DUH *duh, const char *key);
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/* Signal Rendering Functions */
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typedef struct DUH_SIGRENDERER DUH_SIGRENDERER;
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DUH_SIGRENDERER *duh_start_sigrenderer(DUH *duh, int sig, int n_channels, long pos);
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#ifdef DUMB_DECLARE_DEPRECATED
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typedef void (*DUH_SIGRENDERER_CALLBACK)(void *data, sample_t **samples, int n_channels, long length);
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/* This is deprecated, but is not marked as such because GCC tends to
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* complain spuriously when the typedef is used later. See comments below.
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*/
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void duh_sigrenderer_set_callback(
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DUH_SIGRENDERER *sigrenderer,
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DUH_SIGRENDERER_CALLBACK callback, void *data
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) DUMB_DEPRECATED;
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/* The 'callback' argument's type has changed for const-correctness. See the
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* DUH_SIGRENDERER_CALLBACK definition just above. Also note that the samples
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* in the buffer are now 256 times as large; the normal range is -0x800000 to
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* 0x7FFFFF. The function has been renamed partly because its functionality
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* has changed slightly and partly so that its name is more meaningful. The
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* new one is duh_sigrenderer_set_analyser_callback(), and the typedef for
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* the function pointer has also changed, from DUH_SIGRENDERER_CALLBACK to
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* DUH_SIGRENDERER_ANALYSER_CALLBACK. (If you wanted to use this callback to
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* apply a DSP effect, don't worry; there is a better way of doing this. It
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* is undocumented, so contact me and I shall try to help. Contact details
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* are in readme.txt.)
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*/
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typedef void (*DUH_SIGRENDERER_ANALYSER_CALLBACK)(void *data, const sample_t *const *samples, int n_channels, long length);
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/* This is deprecated, but is not marked as such because GCC tends to
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* complain spuriously when the typedef is used later. See comments below.
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*/
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void duh_sigrenderer_set_analyser_callback(
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DUH_SIGRENDERER *sigrenderer,
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DUH_SIGRENDERER_ANALYSER_CALLBACK callback, void *data
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) DUMB_DEPRECATED;
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/* This is deprecated because the meaning of the 'samples' parameter in the
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* callback needed to change. For stereo applications, the array used to be
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* indexed with samples[channel][pos]. It is now indexed with
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* samples[0][pos*2+channel]. Mono sample data are still indexed with
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* samples[0][pos]. The array is still 2D because samples will probably only
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* ever be interleaved in twos. In order to fix your code, adapt it to the
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* new sample layout and then call
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* duh_sigrenderer_set_sample_analyser_callback below instead of this
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* function.
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*/
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#endif
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typedef void (*DUH_SIGRENDERER_SAMPLE_ANALYSER_CALLBACK)(void *data, const sample_t *const *samples, int n_channels, long length);
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void duh_sigrenderer_set_sample_analyser_callback(
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DUH_SIGRENDERER *sigrenderer,
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DUH_SIGRENDERER_SAMPLE_ANALYSER_CALLBACK callback, void *data
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);
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int duh_sigrenderer_get_n_channels(DUH_SIGRENDERER *sigrenderer);
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long duh_sigrenderer_get_position(DUH_SIGRENDERER *sigrenderer);
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void duh_sigrenderer_set_sigparam(DUH_SIGRENDERER *sigrenderer, unsigned char id, long value);
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#ifdef DUMB_DECLARE_DEPRECATED
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long duh_sigrenderer_get_samples(
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DUH_SIGRENDERER *sigrenderer,
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float volume, float delta,
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long size, sample_t **samples
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) DUMB_DEPRECATED;
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/* The sample format has changed, so if you were using this function,
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* you should switch to duh_sigrenderer_generate_samples() and change
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* how you interpret the samples array. See the comments for
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* duh_sigrenderer_set_analyser_callback().
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*/
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#endif
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long duh_sigrenderer_generate_samples(
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DUH_SIGRENDERER *sigrenderer,
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float volume, float delta,
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long size, sample_t **samples
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);
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void duh_sigrenderer_get_current_sample(DUH_SIGRENDERER *sigrenderer, float volume, sample_t *samples);
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void duh_end_sigrenderer(DUH_SIGRENDERER *sigrenderer);
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/* DUH Rendering Functions */
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long duh_render(
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DUH_SIGRENDERER *sigrenderer,
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int bits, int unsign,
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float volume, float delta,
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long size, void *sptr
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);
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#ifdef DUMB_DECLARE_DEPRECATED
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long duh_render_signal(
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DUH_SIGRENDERER *sigrenderer,
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float volume, float delta,
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long size, sample_t **samples
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) DUMB_DEPRECATED;
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/* Please use duh_sigrenderer_generate_samples(), and see the
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* comments for the deprecated duh_sigrenderer_get_samples() too.
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*/
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typedef DUH_SIGRENDERER DUH_RENDERER DUMB_DEPRECATED;
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/* Please use DUH_SIGRENDERER instead of DUH_RENDERER. */
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DUH_SIGRENDERER *duh_start_renderer(DUH *duh, int n_channels, long pos) DUMB_DEPRECATED;
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/* Please use duh_start_sigrenderer() instead. Pass 0 for 'sig'. */
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int duh_renderer_get_n_channels(DUH_SIGRENDERER *dr) DUMB_DEPRECATED;
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long duh_renderer_get_position(DUH_SIGRENDERER *dr) DUMB_DEPRECATED;
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/* Please use the duh_sigrenderer_*() equivalents of these two functions. */
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void duh_end_renderer(DUH_SIGRENDERER *dr) DUMB_DEPRECATED;
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/* Please use duh_end_sigrenderer() instead. */
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DUH_SIGRENDERER *duh_renderer_encapsulate_sigrenderer(DUH_SIGRENDERER *sigrenderer) DUMB_DEPRECATED;
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DUH_SIGRENDERER *duh_renderer_get_sigrenderer(DUH_SIGRENDERER *dr) DUMB_DEPRECATED;
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DUH_SIGRENDERER *duh_renderer_decompose_to_sigrenderer(DUH_SIGRENDERER *dr) DUMB_DEPRECATED;
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/* These functions have become no-ops that just return the parameter.
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* So, for instance, replace
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* duh_renderer_encapsulate_sigrenderer(my_sigrenderer)
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* with
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* my_sigrenderer
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*/
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#endif
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/* Impulse Tracker Support */
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extern int dumb_it_max_to_mix;
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typedef struct DUMB_IT_SIGDATA DUMB_IT_SIGDATA;
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typedef struct DUMB_IT_SIGRENDERER DUMB_IT_SIGRENDERER;
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DUMB_IT_SIGDATA *duh_get_it_sigdata(DUH *duh);
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DUH_SIGRENDERER *duh_encapsulate_it_sigrenderer(DUMB_IT_SIGRENDERER *it_sigrenderer, int n_channels, long pos);
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DUMB_IT_SIGRENDERER *duh_get_it_sigrenderer(DUH_SIGRENDERER *sigrenderer);
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int dumb_it_trim_silent_patterns(DUH * duh);
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typedef int (*dumb_scan_callback)(void *, int, long);
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int dumb_it_scan_for_playable_orders(DUMB_IT_SIGDATA *sigdata, dumb_scan_callback callback, void * callback_data);
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DUH_SIGRENDERER *dumb_it_start_at_order(DUH *duh, int n_channels, int startorder);
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void dumb_it_set_resampling_quality(DUMB_IT_SIGRENDERER * sigrenderer, int quality);
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void dumb_it_set_ramp_style(DUMB_IT_SIGRENDERER * sigrenderer, int ramp_style);
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void dumb_it_set_loop_callback(DUMB_IT_SIGRENDERER *sigrenderer, int (*callback)(void *data), void *data);
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void dumb_it_set_xm_speed_zero_callback(DUMB_IT_SIGRENDERER *sigrenderer, int (*callback)(void *data), void *data);
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void dumb_it_set_midi_callback(DUMB_IT_SIGRENDERER *sigrenderer, int (*callback)(void *data, int channel, unsigned char midi_byte), void *data);
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void dumb_it_set_global_volume_zero_callback(DUMB_IT_SIGRENDERER *sigrenderer, int (*callback)(void *data), void *data);
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int dumb_it_callback_terminate(void *data);
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int dumb_it_callback_midi_block(void *data, int channel, unsigned char midi_byte);
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/* dumb_*_mod*: restrict_ |= 1-Don't read 15 sample files / 2-Use old pattern counting method */
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DUH *dumb_load_it(const char *filename);
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DUH *dumb_load_xm(const char *filename);
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DUH *dumb_load_s3m(const char *filename);
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DUH *dumb_load_stm(const char *filename);
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DUH *dumb_load_mod(const char *filename, int restrict_);
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DUH *dumb_load_ptm(const char *filename);
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DUH *dumb_load_669(const char *filename);
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DUH *dumb_load_psm(const char *filename, int subsong);
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DUH *dumb_load_old_psm(const char * filename);
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DUH *dumb_load_mtm(const char *filename);
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DUH *dumb_load_riff(const char *filename);
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DUH *dumb_load_asy(const char *filename);
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DUH *dumb_load_amf(const char *filename);
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DUH *dumb_load_okt(const char *filename);
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DUH *dumb_read_it(DUMBFILE *f);
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DUH *dumb_read_xm(DUMBFILE *f);
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DUH *dumb_read_s3m(DUMBFILE *f);
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DUH *dumb_read_stm(DUMBFILE *f);
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DUH *dumb_read_mod(DUMBFILE *f, int restrict_);
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DUH *dumb_read_ptm(DUMBFILE *f);
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DUH *dumb_read_669(DUMBFILE *f);
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DUH *dumb_read_psm(DUMBFILE *f, int subsong);
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DUH *dumb_read_old_psm(DUMBFILE *f);
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DUH *dumb_read_mtm(DUMBFILE *f);
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DUH *dumb_read_riff(DUMBFILE *f);
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DUH *dumb_read_asy(DUMBFILE *f);
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DUH *dumb_read_amf(DUMBFILE *f);
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DUH *dumb_read_okt(DUMBFILE *f);
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DUH *dumb_load_it_quick(const char *filename);
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DUH *dumb_load_xm_quick(const char *filename);
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DUH *dumb_load_s3m_quick(const char *filename);
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DUH *dumb_load_stm_quick(const char *filename);
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DUH *dumb_load_mod_quick(const char *filename, int restrict_);
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DUH *dumb_load_ptm_quick(const char *filename);
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DUH *dumb_load_669_quick(const char *filename);
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DUH *dumb_load_psm_quick(const char *filename, int subsong);
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DUH *dumb_load_old_psm_quick(const char * filename);
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DUH *dumb_load_mtm_quick(const char *filename);
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DUH *dumb_load_riff_quick(const char *filename);
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DUH *dumb_load_asy_quick(const char *filename);
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DUH *dumb_load_amf_quick(const char *filename);
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DUH *dumb_load_okt_quick(const char *filename);
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DUH *dumb_read_it_quick(DUMBFILE *f);
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DUH *dumb_read_xm_quick(DUMBFILE *f);
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DUH *dumb_read_s3m_quick(DUMBFILE *f);
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DUH *dumb_read_stm_quick(DUMBFILE *f);
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DUH *dumb_read_mod_quick(DUMBFILE *f, int restrict_);
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DUH *dumb_read_ptm_quick(DUMBFILE *f);
|
|
DUH *dumb_read_669_quick(DUMBFILE *f);
|
|
DUH *dumb_read_psm_quick(DUMBFILE *f, int subsong);
|
|
DUH *dumb_read_old_psm_quick(DUMBFILE *f);
|
|
DUH *dumb_read_mtm_quick(DUMBFILE *f);
|
|
DUH *dumb_read_riff_quick(DUMBFILE *f);
|
|
DUH *dumb_read_asy_quick(DUMBFILE *f);
|
|
DUH *dumb_read_amf_quick(DUMBFILE *f);
|
|
DUH *dumb_read_okt_quick(DUMBFILE *f);
|
|
|
|
DUH *dumb_read_any_quick(DUMBFILE *f, int restrict_, int subsong);
|
|
DUH *dumb_read_any(DUMBFILE *f, int restrict_, int subsong);
|
|
|
|
DUH *dumb_load_any_quick(const char *filename, int restrict_, int subsong);
|
|
DUH *dumb_load_any(const char *filename, int restrict_, int subsong);
|
|
|
|
long dumb_it_build_checkpoints(DUMB_IT_SIGDATA *sigdata, int startorder);
|
|
void dumb_it_do_initial_runthrough(DUH *duh);
|
|
|
|
int dumb_get_psm_subsong_count(DUMBFILE *f);
|
|
|
|
const unsigned char *dumb_it_sd_get_song_message(DUMB_IT_SIGDATA *sd);
|
|
|
|
int dumb_it_sd_get_n_orders(DUMB_IT_SIGDATA *sd);
|
|
int dumb_it_sd_get_n_samples(DUMB_IT_SIGDATA *sd);
|
|
int dumb_it_sd_get_n_instruments(DUMB_IT_SIGDATA *sd);
|
|
|
|
const unsigned char *dumb_it_sd_get_sample_name(DUMB_IT_SIGDATA *sd, int i);
|
|
const unsigned char *dumb_it_sd_get_sample_filename(DUMB_IT_SIGDATA *sd, int i);
|
|
const unsigned char *dumb_it_sd_get_instrument_name(DUMB_IT_SIGDATA *sd, int i);
|
|
const unsigned char *dumb_it_sd_get_instrument_filename(DUMB_IT_SIGDATA *sd, int i);
|
|
|
|
int dumb_it_sd_get_initial_global_volume(DUMB_IT_SIGDATA *sd);
|
|
void dumb_it_sd_set_initial_global_volume(DUMB_IT_SIGDATA *sd, int gv);
|
|
|
|
int dumb_it_sd_get_mixing_volume(DUMB_IT_SIGDATA *sd);
|
|
void dumb_it_sd_set_mixing_volume(DUMB_IT_SIGDATA *sd, int mv);
|
|
|
|
int dumb_it_sd_get_initial_speed(DUMB_IT_SIGDATA *sd);
|
|
void dumb_it_sd_set_initial_speed(DUMB_IT_SIGDATA *sd, int speed);
|
|
|
|
int dumb_it_sd_get_initial_tempo(DUMB_IT_SIGDATA *sd);
|
|
void dumb_it_sd_set_initial_tempo(DUMB_IT_SIGDATA *sd, int tempo);
|
|
|
|
int dumb_it_sd_get_initial_channel_volume(DUMB_IT_SIGDATA *sd, int channel);
|
|
void dumb_it_sd_set_initial_channel_volume(DUMB_IT_SIGDATA *sd, int channel, int volume);
|
|
|
|
int dumb_it_sr_get_current_order(DUMB_IT_SIGRENDERER *sr);
|
|
int dumb_it_sr_get_current_row(DUMB_IT_SIGRENDERER *sr);
|
|
|
|
int dumb_it_sr_get_global_volume(DUMB_IT_SIGRENDERER *sr);
|
|
void dumb_it_sr_set_global_volume(DUMB_IT_SIGRENDERER *sr, int gv);
|
|
|
|
int dumb_it_sr_get_tempo(DUMB_IT_SIGRENDERER *sr);
|
|
void dumb_it_sr_set_tempo(DUMB_IT_SIGRENDERER *sr, int tempo);
|
|
|
|
int dumb_it_sr_get_speed(DUMB_IT_SIGRENDERER *sr);
|
|
void dumb_it_sr_set_speed(DUMB_IT_SIGRENDERER *sr, int speed);
|
|
|
|
#define DUMB_IT_N_CHANNELS 64
|
|
#define DUMB_IT_N_NNA_CHANNELS 192
|
|
#define DUMB_IT_TOTAL_CHANNELS (DUMB_IT_N_CHANNELS + DUMB_IT_N_NNA_CHANNELS)
|
|
|
|
/* Channels passed to any of these functions are 0-based */
|
|
int dumb_it_sr_get_channel_volume(DUMB_IT_SIGRENDERER *sr, int channel);
|
|
void dumb_it_sr_set_channel_volume(DUMB_IT_SIGRENDERER *sr, int channel, int volume);
|
|
|
|
int dumb_it_sr_get_channel_muted(DUMB_IT_SIGRENDERER *sr, int channel);
|
|
void dumb_it_sr_set_channel_muted(DUMB_IT_SIGRENDERER *sr, int channel, int muted);
|
|
|
|
typedef struct DUMB_IT_CHANNEL_STATE DUMB_IT_CHANNEL_STATE;
|
|
|
|
struct DUMB_IT_CHANNEL_STATE
|
|
{
|
|
int channel; /* 0-based; meaningful for NNA channels */
|
|
int sample; /* 1-based; 0 if nothing playing, then other fields undef */
|
|
int freq; /* in Hz */
|
|
float volume; /* 1.0 maximum; affected by ALL factors, inc. mixing vol */
|
|
unsigned char pan; /* 0-64, 100 for surround */
|
|
signed char subpan; /* use (pan + subpan/256.0f) or ((pan<<8)+subpan) */
|
|
unsigned char filter_cutoff; /* 0-127 cutoff=127 AND resonance=0 */
|
|
unsigned char filter_subcutoff; /* 0-255 -> no filters (subcutoff */
|
|
unsigned char filter_resonance; /* 0-127 always 0 in this case) */
|
|
/* subcutoff only changes from zero if filter envelopes are in use. The
|
|
* calculation (filter_cutoff + filter_subcutoff/256.0f) gives a more
|
|
* accurate filter cutoff measurement as a float. It would often be more
|
|
* useful to use a scaled int such as ((cutoff<<8) + subcutoff).
|
|
*/
|
|
};
|
|
|
|
/* Values of 64 or more will access NNA channels here. */
|
|
void dumb_it_sr_get_channel_state(DUMB_IT_SIGRENDERER *sr, int channel, DUMB_IT_CHANNEL_STATE *state);
|
|
|
|
|
|
/* Signal Design Helper Values */
|
|
|
|
/* Use pow(DUMB_SEMITONE_BASE, n) to get the 'delta' value to transpose up by
|
|
* n semitones. To transpose down, use negative n.
|
|
*/
|
|
#define DUMB_SEMITONE_BASE 1.059463094359295309843105314939748495817
|
|
|
|
/* Use pow(DUMB_QUARTERTONE_BASE, n) to get the 'delta' value to transpose up
|
|
* by n quartertones. To transpose down, use negative n.
|
|
*/
|
|
#define DUMB_QUARTERTONE_BASE 1.029302236643492074463779317738953977823
|
|
|
|
/* Use pow(DUMB_PITCH_BASE, n) to get the 'delta' value to transpose up by n
|
|
* units. In this case, 256 units represent one semitone; 3072 units
|
|
* represent one octave. These units are used by the sequence signal (SEQU).
|
|
*/
|
|
#define DUMB_PITCH_BASE 1.000225659305069791926712241547647863626
|
|
|
|
|
|
/* Signal Design Function Types */
|
|
|
|
typedef void sigdata_t;
|
|
typedef void sigrenderer_t;
|
|
|
|
typedef sigdata_t *(*DUH_LOAD_SIGDATA)(DUH *duh, DUMBFILE *file);
|
|
|
|
typedef sigrenderer_t *(*DUH_START_SIGRENDERER)(
|
|
DUH *duh,
|
|
sigdata_t *sigdata,
|
|
int n_channels,
|
|
long pos
|
|
);
|
|
|
|
typedef void (*DUH_SIGRENDERER_SET_SIGPARAM)(
|
|
sigrenderer_t *sigrenderer,
|
|
unsigned char id, long value
|
|
);
|
|
|
|
typedef long (*DUH_SIGRENDERER_GENERATE_SAMPLES)(
|
|
sigrenderer_t *sigrenderer,
|
|
float volume, float delta,
|
|
long size, sample_t **samples
|
|
);
|
|
|
|
typedef void (*DUH_SIGRENDERER_GET_CURRENT_SAMPLE)(
|
|
sigrenderer_t *sigrenderer,
|
|
float volume,
|
|
sample_t *samples
|
|
);
|
|
|
|
typedef long (*DUH_SIGRENDERER_GET_POSITION)(
|
|
sigrenderer_t *sigrenderer
|
|
);
|
|
|
|
typedef void (*DUH_END_SIGRENDERER)(sigrenderer_t *sigrenderer);
|
|
|
|
typedef void (*DUH_UNLOAD_SIGDATA)(sigdata_t *sigdata);
|
|
|
|
|
|
/* Signal Design Function Registration */
|
|
|
|
typedef struct DUH_SIGTYPE_DESC
|
|
{
|
|
long type;
|
|
DUH_LOAD_SIGDATA load_sigdata;
|
|
DUH_START_SIGRENDERER start_sigrenderer;
|
|
DUH_SIGRENDERER_SET_SIGPARAM sigrenderer_set_sigparam;
|
|
DUH_SIGRENDERER_GENERATE_SAMPLES sigrenderer_generate_samples;
|
|
DUH_SIGRENDERER_GET_CURRENT_SAMPLE sigrenderer_get_current_sample;
|
|
DUH_SIGRENDERER_GET_POSITION sigrenderer_get_position;
|
|
DUH_END_SIGRENDERER end_sigrenderer;
|
|
DUH_UNLOAD_SIGDATA unload_sigdata;
|
|
}
|
|
DUH_SIGTYPE_DESC;
|
|
|
|
void dumb_register_sigtype(DUH_SIGTYPE_DESC *desc);
|
|
|
|
int duh_add_signal(DUH *duh, DUH_SIGTYPE_DESC *desc, sigdata_t *sigdata);
|
|
|
|
|
|
// Decide where to put these functions; new heading?
|
|
|
|
sigdata_t *duh_get_raw_sigdata(DUH *duh, int sig, long type);
|
|
|
|
DUH_SIGRENDERER *duh_encapsulate_raw_sigrenderer(sigrenderer_t *vsigrenderer, DUH_SIGTYPE_DESC *desc, int n_channels, long pos);
|
|
sigrenderer_t *duh_get_raw_sigrenderer(DUH_SIGRENDERER *sigrenderer, long type);
|
|
|
|
|
|
/* Standard Signal Types */
|
|
|
|
//void dumb_register_sigtype_sample(void);
|
|
|
|
|
|
/* Sample Buffer Allocation Helpers */
|
|
|
|
#ifdef DUMB_DECLARE_DEPRECATED
|
|
sample_t **create_sample_buffer(int n_channels, long length) DUMB_DEPRECATED;
|
|
/* DUMB has been changed to interleave stereo samples. Use
|
|
* allocate_sample_buffer() instead, and see the comments for
|
|
* duh_sigrenderer_set_analyser_callback().
|
|
*/
|
|
#endif
|
|
sample_t **allocate_sample_buffer(int n_channels, long length);
|
|
void destroy_sample_buffer(sample_t **samples);
|
|
|
|
|
|
/* Silencing Helper */
|
|
|
|
void dumb_silence(sample_t *samples, long length);
|
|
|
|
|
|
/* Click Removal Helpers */
|
|
|
|
typedef struct DUMB_CLICK_REMOVER DUMB_CLICK_REMOVER;
|
|
|
|
DUMB_CLICK_REMOVER *dumb_create_click_remover(void);
|
|
void dumb_record_click(DUMB_CLICK_REMOVER *cr, long pos, sample_t step);
|
|
void dumb_remove_clicks(DUMB_CLICK_REMOVER *cr, sample_t *samples, long length, int step, float halflife);
|
|
sample_t dumb_click_remover_get_offset(DUMB_CLICK_REMOVER *cr);
|
|
void dumb_destroy_click_remover(DUMB_CLICK_REMOVER *cr);
|
|
|
|
DUMB_CLICK_REMOVER **dumb_create_click_remover_array(int n);
|
|
void dumb_record_click_array(int n, DUMB_CLICK_REMOVER **cr, long pos, sample_t *step);
|
|
void dumb_record_click_negative_array(int n, DUMB_CLICK_REMOVER **cr, long pos, sample_t *step);
|
|
void dumb_remove_clicks_array(int n, DUMB_CLICK_REMOVER **cr, sample_t **samples, long length, float halflife);
|
|
void dumb_click_remover_get_offset_array(int n, DUMB_CLICK_REMOVER **cr, sample_t *offset);
|
|
void dumb_destroy_click_remover_array(int n, DUMB_CLICK_REMOVER **cr);
|
|
|
|
|
|
/* Resampling Helpers */
|
|
|
|
#define DUMB_RQ_ALIASING 0
|
|
#define DUMB_RQ_LINEAR 1
|
|
#define DUMB_RQ_CUBIC 2
|
|
#define DUMB_RQ_FIR 3
|
|
#define DUMB_RQ_N_LEVELS 4
|
|
extern int dumb_resampling_quality;
|
|
|
|
typedef struct DUMB_RESAMPLER DUMB_RESAMPLER;
|
|
|
|
typedef struct DUMB_VOLUME_RAMP_INFO DUMB_VOLUME_RAMP_INFO;
|
|
|
|
typedef void (*DUMB_RESAMPLE_PICKUP)(DUMB_RESAMPLER *resampler, void *data);
|
|
|
|
typedef struct blip_t blip_t;
|
|
|
|
struct DUMB_RESAMPLER
|
|
{
|
|
void *src;
|
|
long pos;
|
|
int subpos;
|
|
long start, end;
|
|
int dir;
|
|
DUMB_RESAMPLE_PICKUP pickup;
|
|
void *pickup_data;
|
|
int quality;
|
|
/* Everything below this point is internal: do not use. */
|
|
union {
|
|
sample_t x24[3*2];
|
|
short x16[3*2];
|
|
signed char x8[3*2];
|
|
} x;
|
|
int overshot;
|
|
int last_clock;
|
|
int last_amp[2];
|
|
blip_t* blip_buffer[2];
|
|
double fir_resampler_ratio;
|
|
void* fir_resampler[2];
|
|
};
|
|
|
|
struct DUMB_VOLUME_RAMP_INFO
|
|
{
|
|
float volume;
|
|
float delta;
|
|
float target;
|
|
float mix;
|
|
};
|
|
|
|
void dumb_reset_resampler(DUMB_RESAMPLER *resampler, sample_t *src, int src_channels, long pos, long start, long end, int quality);
|
|
DUMB_RESAMPLER *dumb_start_resampler(sample_t *src, int src_channels, long pos, long start, long end, int quality);
|
|
long dumb_resample_1_1(DUMB_RESAMPLER *resampler, sample_t *dst, long dst_size, DUMB_VOLUME_RAMP_INFO * volume, float delta);
|
|
long dumb_resample_1_2(DUMB_RESAMPLER *resampler, sample_t *dst, long dst_size, DUMB_VOLUME_RAMP_INFO * volume_left, DUMB_VOLUME_RAMP_INFO * volume_right, float delta);
|
|
long dumb_resample_2_1(DUMB_RESAMPLER *resampler, sample_t *dst, long dst_size, DUMB_VOLUME_RAMP_INFO * volume_left, DUMB_VOLUME_RAMP_INFO * volume_right, float delta);
|
|
long dumb_resample_2_2(DUMB_RESAMPLER *resampler, sample_t *dst, long dst_size, DUMB_VOLUME_RAMP_INFO * volume_left, DUMB_VOLUME_RAMP_INFO * volume_right, float delta);
|
|
void dumb_resample_get_current_sample_1_1(DUMB_RESAMPLER *resampler, DUMB_VOLUME_RAMP_INFO * volume, sample_t *dst);
|
|
void dumb_resample_get_current_sample_1_2(DUMB_RESAMPLER *resampler, DUMB_VOLUME_RAMP_INFO * volume_left, DUMB_VOLUME_RAMP_INFO * volume_right, sample_t *dst);
|
|
void dumb_resample_get_current_sample_2_1(DUMB_RESAMPLER *resampler, DUMB_VOLUME_RAMP_INFO * volume_left, DUMB_VOLUME_RAMP_INFO * volume_right, sample_t *dst);
|
|
void dumb_resample_get_current_sample_2_2(DUMB_RESAMPLER *resampler, DUMB_VOLUME_RAMP_INFO * volume_left, DUMB_VOLUME_RAMP_INFO * volume_right, sample_t *dst);
|
|
void dumb_end_resampler(DUMB_RESAMPLER *resampler);
|
|
|
|
void dumb_reset_resampler_16(DUMB_RESAMPLER *resampler, short *src, int src_channels, long pos, long start, long end, int quality);
|
|
DUMB_RESAMPLER *dumb_start_resampler_16(short *src, int src_channels, long pos, long start, long end, int quality);
|
|
long dumb_resample_16_1_1(DUMB_RESAMPLER *resampler, sample_t *dst, long dst_size, DUMB_VOLUME_RAMP_INFO * volume, float delta);
|
|
long dumb_resample_16_1_2(DUMB_RESAMPLER *resampler, sample_t *dst, long dst_size, DUMB_VOLUME_RAMP_INFO * volume_left, DUMB_VOLUME_RAMP_INFO * volume_right, float delta);
|
|
long dumb_resample_16_2_1(DUMB_RESAMPLER *resampler, sample_t *dst, long dst_size, DUMB_VOLUME_RAMP_INFO * volume_left, DUMB_VOLUME_RAMP_INFO * volume_right, float delta);
|
|
long dumb_resample_16_2_2(DUMB_RESAMPLER *resampler, sample_t *dst, long dst_size, DUMB_VOLUME_RAMP_INFO * volume_left, DUMB_VOLUME_RAMP_INFO * volume_right, float delta);
|
|
void dumb_resample_get_current_sample_16_1_1(DUMB_RESAMPLER *resampler, DUMB_VOLUME_RAMP_INFO * volume, sample_t *dst);
|
|
void dumb_resample_get_current_sample_16_1_2(DUMB_RESAMPLER *resampler, DUMB_VOLUME_RAMP_INFO * volume_left, DUMB_VOLUME_RAMP_INFO * volume_right, sample_t *dst);
|
|
void dumb_resample_get_current_sample_16_2_1(DUMB_RESAMPLER *resampler, DUMB_VOLUME_RAMP_INFO * volume_left, DUMB_VOLUME_RAMP_INFO * volume_right, sample_t *dst);
|
|
void dumb_resample_get_current_sample_16_2_2(DUMB_RESAMPLER *resampler, DUMB_VOLUME_RAMP_INFO * volume_left, DUMB_VOLUME_RAMP_INFO * volume_right, sample_t *dst);
|
|
void dumb_end_resampler_16(DUMB_RESAMPLER *resampler);
|
|
|
|
void dumb_reset_resampler_8(DUMB_RESAMPLER *resampler, signed char *src, int src_channels, long pos, long start, long end, int quality);
|
|
DUMB_RESAMPLER *dumb_start_resampler_8(signed char *src, int src_channels, long pos, long start, long end, int quality);
|
|
long dumb_resample_8_1_1(DUMB_RESAMPLER *resampler, sample_t *dst, long dst_size, DUMB_VOLUME_RAMP_INFO * volume, float delta);
|
|
long dumb_resample_8_1_2(DUMB_RESAMPLER *resampler, sample_t *dst, long dst_size, DUMB_VOLUME_RAMP_INFO * volume_left, DUMB_VOLUME_RAMP_INFO * volume_right, float delta);
|
|
long dumb_resample_8_2_1(DUMB_RESAMPLER *resampler, sample_t *dst, long dst_size, DUMB_VOLUME_RAMP_INFO * volume_left, DUMB_VOLUME_RAMP_INFO * volume_right, float delta);
|
|
long dumb_resample_8_2_2(DUMB_RESAMPLER *resampler, sample_t *dst, long dst_size, DUMB_VOLUME_RAMP_INFO * volume_left, DUMB_VOLUME_RAMP_INFO * volume_right, float delta);
|
|
void dumb_resample_get_current_sample_8_1_1(DUMB_RESAMPLER *resampler, DUMB_VOLUME_RAMP_INFO * volume, sample_t *dst);
|
|
void dumb_resample_get_current_sample_8_1_2(DUMB_RESAMPLER *resampler, DUMB_VOLUME_RAMP_INFO * volume_left, DUMB_VOLUME_RAMP_INFO * volume_right, sample_t *dst);
|
|
void dumb_resample_get_current_sample_8_2_1(DUMB_RESAMPLER *resampler, DUMB_VOLUME_RAMP_INFO * volume_left, DUMB_VOLUME_RAMP_INFO * volume_right, sample_t *dst);
|
|
void dumb_resample_get_current_sample_8_2_2(DUMB_RESAMPLER *resampler, DUMB_VOLUME_RAMP_INFO * volume_left, DUMB_VOLUME_RAMP_INFO * volume_right, sample_t *dst);
|
|
void dumb_end_resampler_8(DUMB_RESAMPLER *resampler);
|
|
|
|
void dumb_reset_resampler_n(int n, DUMB_RESAMPLER *resampler, void *src, int src_channels, long pos, long start, long end, int quality);
|
|
DUMB_RESAMPLER *dumb_start_resampler_n(int n, void *src, int src_channels, long pos, long start, long end, int quality);
|
|
long dumb_resample_n_1_1(int n, DUMB_RESAMPLER *resampler, sample_t *dst, long dst_size, DUMB_VOLUME_RAMP_INFO * volume, float delta);
|
|
long dumb_resample_n_1_2(int n, DUMB_RESAMPLER *resampler, sample_t *dst, long dst_size, DUMB_VOLUME_RAMP_INFO * volume_left, DUMB_VOLUME_RAMP_INFO * volume_right, float delta);
|
|
long dumb_resample_n_2_1(int n, DUMB_RESAMPLER *resampler, sample_t *dst, long dst_size, DUMB_VOLUME_RAMP_INFO * volume_left, DUMB_VOLUME_RAMP_INFO * volume_right, float delta);
|
|
long dumb_resample_n_2_2(int n, DUMB_RESAMPLER *resampler, sample_t *dst, long dst_size, DUMB_VOLUME_RAMP_INFO * volume_left, DUMB_VOLUME_RAMP_INFO * volume_right, float delta);
|
|
void dumb_resample_get_current_sample_n_1_1(int n, DUMB_RESAMPLER *resampler, DUMB_VOLUME_RAMP_INFO * volume, sample_t *dst);
|
|
void dumb_resample_get_current_sample_n_1_2(int n, DUMB_RESAMPLER *resampler, DUMB_VOLUME_RAMP_INFO * volume_left, DUMB_VOLUME_RAMP_INFO * volume_right, sample_t *dst);
|
|
void dumb_resample_get_current_sample_n_2_1(int n, DUMB_RESAMPLER *resampler, DUMB_VOLUME_RAMP_INFO * volume_left, DUMB_VOLUME_RAMP_INFO * volume_right, sample_t *dst);
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void dumb_resample_get_current_sample_n_2_2(int n, DUMB_RESAMPLER *resampler, DUMB_VOLUME_RAMP_INFO * volume_left, DUMB_VOLUME_RAMP_INFO * volume_right, sample_t *dst);
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void dumb_end_resampler_n(int n, DUMB_RESAMPLER *resampler);
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/* DUH Construction */
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DUH *make_duh(
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long length,
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int n_tags,
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const char *const tag[][2],
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int n_signals,
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DUH_SIGTYPE_DESC *desc[],
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sigdata_t *sigdata[]
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);
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void duh_set_length(DUH *duh, long length);
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#ifdef __cplusplus
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}
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#endif
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#endif /* DUMB_H */
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