Mercurial > hg > xmms-sid
view src/xmms-sid.h @ 401:30da794755f7
Updated FAQ to reflect changes in playing behaviour.
author | Matti Hamalainen <ccr@tnsp.org> |
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date | Wed, 31 May 2006 22:52:00 +0000 |
parents | 7c4216c7aa47 |
children | f997b79a7251 |
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/* XMMS-SID - SIDPlay input plugin for X MultiMedia System (XMMS) Main header file Programmed and designed by Matti 'ccr' Hamalainen <ccr@tnsp.org> (C) Copyright 1999-2005 Tecnic Software productions (TNSP) This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #ifndef _XMMS_SID_H #define _XMMS_SID_H #ifdef HAVE_CONFIG_H #include <config.h> #endif #ifdef HAVE_ASSERT_H #include <assert.h> #else #define assert(x) /* stub */ #endif #include <glib.h> #include <pthread.h> #ifdef __cplusplus extern "C" { #endif #include <xmms/plugin.h> /* * Some constants and defines */ /* #define to enable spurious debugging messages for development * purposes. Output goes to stderr. See also DEBUG_NP below. */ #define DEBUG /* Define to ISO C99 macro for debugging instead of varargs function. * This provides more useful information, but is incompatible with * older standards. If #undef'd, a varargs function is used instead. */ #define DEBUG_NP /* Define to enable non-portable thread and mutex debugging code. * You need to #define DEBUG also to make this useful. * (Works probably with GNU/Linux pthreads implementation only) */ #undef XS_MUTEX_DEBUG /* HardSID-support is not working and is untested, thus we disable it here. */ #undef HAVE_HARDSID_BUILDER /* Size for some small buffers (always static variables) */ #define XS_BUF_SIZE (1024) /* If defined, some dynamically allocated temp. buffers are used. * Static (#undef) might give slight performance gain, * but fails on systems with limited stack space. */ #define XS_BUF_DYNAMIC /* Size of audio buffer. If you are experiencing lots of audio * "underruns" or clicks/gaps in output, try increasing this value. * Do notice, however, that it also affects the update frequency of * XMMS's visualization plugins... */ #define XS_AUDIOBUF_SIZE (2*1024) /* Size of data buffer used for SID-tune MD5 hash calculation. * If this is too small, the computed hash will be incorrect. * Largest SID files I've seen are ~70kB. */ #define XS_SIDBUF_SIZE (80*1024) /* libSIDPlay1 default filter values (copied from libsidplay1's headers) */ #define XS_SIDPLAY1_FS (400.0f) #define XS_SIDPLAY1_FM (60.0f) #define XS_SIDPLAY1_FT (0.05f) #define XS_BIN_BAILOUT (32) /* Binary search bailout treshold */ #define XS_CONFIG_IDENT "XMMS-SID" /* Configuration file identifier */ #define XS_CONFIG_FILE "/.xmms/xmms-sid" /* Use this configfile if autocyrpe fails */ #define XS_MIN_OVERSAMPLE (2) /* Minimum oversampling factor */ #define XS_MAX_OVERSAMPLE (8) /* Maximum oversampling factor */ /* Macros for mutexes and threads. These exist to be able to * easily change from pthreads to glib threads, etc, if necessary. */ #define XS_MPP(M) M ## _mutex #if XS_MUTEX_DEBUG #define XS_MUTEX(M) pthread_mutex_t XS_MPP(M) = PTHREAD_ERRORCHECK_MUTEX_INITIALIZER_NP; int M ## _qq; #define XS_MUTEX_H(M) extern pthread_mutex_t XS_MPP(M); extern int M ## _qq #define XS_MUTEX_LOCK(M) { M ## _qq = pthread_mutex_lock(&XS_MPP(M)); if (M ## _qq) XSDEBUG("XS_MUTEX_LOCK(" #M ") == %i\n", M ## _qq); } #define XS_MUTEX_UNLOCK(M) { M ## _qq = pthread_mutex_unlock(&XS_MPP(M)); if (M ## _qq) XSDEBUG("XS_MUTEX_UNLOCK(" #M ") == %i\n", M ## _qq); } #else #define XS_MUTEX(M) pthread_mutex_t XS_MPP(M) = PTHREAD_MUTEX_INITIALIZER #define XS_MUTEX_H(M) extern pthread_mutex_t XS_MPP(M) #define XS_MUTEX_LOCK(M) pthread_mutex_lock(&XS_MPP(M)) #define XS_MUTEX_UNLOCK(M) pthread_mutex_unlock(&XS_MPP(M)) #endif /* Shorthands for linked lists */ #define LPREV (pNode->pPrev) #define LTHIS (pNode) #define LNEXT (pNode->pNext) /* Plugin-wide typedefs */ typedef struct { gint tuneSpeed; gint tuneLength; gchar *tuneTitle; gboolean tunePlayed; } t_xs_subtuneinfo; typedef struct { gchar *sidFilename, *sidName, *sidComposer, *sidCopyright; gint loadAddr, initAddr, playAddr, dataFileLen; gint nsubTunes, startTune; t_xs_subtuneinfo *subTunes; } t_xs_tuneinfo; struct t_xs_status; typedef struct { gint plrIdent; gboolean (*plrIsOurFile)(gchar *); gboolean (*plrInit)(struct t_xs_status *); void (*plrClose)(struct t_xs_status *); gboolean (*plrInitSong)(struct t_xs_status *); guint (*plrFillBuffer)(struct t_xs_status *, gchar *, guint); gboolean (*plrLoadSID)(struct t_xs_status *, gchar *); void (*plrDeleteSID)(struct t_xs_status *); t_xs_tuneinfo* (*plrGetSIDInfo)(gchar *); } t_xs_player; typedef struct t_xs_status { gint audioFrequency, /* Audio settings */ audioChannels, audioBitsPerSample, oversampleFactor; /* Factor of oversampling */ AFormat audioFormat; gboolean oversampleEnable; /* TRUE after sidEngine initialization, if xs_cfg.oversampleEnable == TRUE and emulation backend supports oversampling. */ void *sidEngine; /* SID-emulation internal engine data */ t_xs_player *sidPlayer; /* Selected player engine */ gboolean isError, isPlaying; gint currSong, /* Current sub-tune */ lastTime; t_xs_tuneinfo *tuneInfo; } t_xs_status; /* Global variables */ extern InputPlugin xs_plugin_ip; extern t_xs_status xs_status; XS_MUTEX_H(xs_status); /* Plugin function prototypes */ void xs_init(void); void xs_reinit(void); void xs_close(void); gint xs_is_our_file(gchar *); void xs_play_file(gchar *); void xs_stop(void); void xs_pause(short); void xs_seek(gint); gint xs_get_time(void); void xs_get_song_info(gchar *, gchar **, gint *); void xs_about(void); t_xs_tuneinfo *xs_tuneinfo_new(gchar *, gint, gint, gchar *, gchar *, gchar *, gint, gint, gint, gint); void xs_tuneinfo_free(t_xs_tuneinfo *); void xs_error(const char *, ...); #ifndef DEBUG_NP void XSDEBUG(const char *, ...); #else #ifdef DEBUG #define XSDEBUG(...) { fprintf(stderr, "XS[%s:%s:%d]: ", __FILE__, __FUNCTION__, (int) __LINE__); fprintf(stderr, __VA_ARGS__); } #else #define XSDEBUG(...) /* stub */ #endif #endif #ifdef __cplusplus } #endif #endif /* _XMMS_SID_H */