Mercurial > hg > xmms-sid
view src/xs_sidplay2.cc @ 186:31a04bd9310c
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author | Matti Hamalainen <ccr@tnsp.org> |
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date | Wed, 18 Aug 2004 05:25:02 +0000 |
parents | ddb513bd2610 |
children | 608f31f6c095 |
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/* XMMS-SID - SIDPlay input plugin for X MultiMedia System (XMMS) libSIDPlay v2 support Written by Matti "ccr" Hamalainen <ccr@tnsp.org> 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. */ #include "xmms-sid.h" #ifdef HAVE_SIDPLAY2 extern "C" { #include "xs_sidplay2.h" #include <stdio.h> #include <xmms/titlestring.h> #include "xs_config.h" #include "xs_support.h" #include "xs_length.h" } #include <sidplay/sidplay2.h> #ifdef HAVE_RESID_BUILDER #include <sidplay/builders/resid.h> #endif #ifdef HAVE_HARDSID_BUILDER #include <sidplay/builders/hardsid.h> #endif typedef struct { sidplay2 *currEng; sidbuilder *currBuilder; sid2_config_t currConfig; SidTune *currTune; } t_xs_sidplay2; /* * We need to 'export' all this pseudo-C++ crap */ extern "C" { /* * Check if we can play the given file */ gboolean xs_sidplay2_isourfile(gchar *pcFilename) { SidTune *testTune = new SidTune(pcFilename); if (!testTune) return FALSE; if (!testTune->getStatus()) { delete testTune; return FALSE; } delete testTune; return TRUE; } /* * Initialize SIDPlay2 */ gboolean xs_sidplay2_init(t_xs_status *myStatus) { t_xs_sidplay2 *myPlayer; assert(myStatus); /* Allocate internal structures */ myPlayer = (t_xs_sidplay2 *) g_malloc0(sizeof(t_xs_sidplay2)); if (!myPlayer) return FALSE; /* Initialize the engine */ myPlayer->currEng = new sidplay2; if (!myPlayer->currEng) { XSERR("Could not initialize libSIDPlay2 emulation engine\n"); return FALSE; } /* Initialize builder object */ XSDEBUG("init builder #%i\n", xs_cfg.sid2Builder); #ifdef HAVE_RESID_BUILDER if (xs_cfg.sid2Builder == XS_BLD_RESID) { ReSIDBuilder *tmpb = new ReSIDBuilder("SIDPlay2 suxx and is made by a fag - ReSID builder"); /* Create the builder -- WHAT IS THIS MEANT FOR??? */ tmpb->create(myPlayer->currEng->info().maxsids); myPlayer->currBuilder = (sidbuilder *) tmpb; } #endif #ifdef HAVE_HARDSID_BUILDER if (xs_cfg.sid2Builder == XS_BLD_HARDSID) { } #endif if (!myPlayer->currBuilder) { XSERR("Could not initialize SIDBuilder object.\n"); return FALSE; } XSDEBUG("%s\n", myPlayer->currBuilder->credits()); /* Create the sidtune */ myPlayer->currTune = new SidTune(0); if (!myPlayer->currTune) { XSERR("Could not initialize SIDTune object.\n"); return FALSE; } /* OK */ myStatus->player = myPlayer; return TRUE; } /* * Close SIDPlay2 */ void xs_sidplay2_close(t_xs_status *myStatus) { t_xs_sidplay2 *myPlayer; assert(myStatus); /* Free internals */ myPlayer = (t_xs_sidplay2 *) myStatus->player; if (myPlayer->currBuilder) { delete myPlayer->currBuilder; myPlayer->currBuilder = NULL; } if (myPlayer->currEng) { delete myPlayer->currEng; myPlayer->currEng = NULL; } if (myPlayer->currTune) { delete myPlayer->currTune; myPlayer->currTune = NULL; } xs_sidplay2_deletesid(myStatus); g_free(myPlayer); myStatus->player = NULL; } gboolean xs_sidplay2_initsong(t_xs_status *myStatus) { t_xs_sidplay2 *myPlayer = (t_xs_sidplay2 *) myStatus->player; if (!myPlayer) return FALSE; if (!myPlayer->currTune->selectSong(myStatus->currSong)) { XSERR("ENGINE selectSong() failed\n"); return FALSE; } if (myPlayer->currEng->load(myPlayer->currTune) < 0) { XSERR("ENGINE load() failed\n"); return FALSE; } return TRUE; } guint xs_sidplay2_fillbuffer(t_xs_status *myStatus, gchar *audioBuffer, guint audioBufSize) { t_xs_sidplay2 *myPlayer = (t_xs_sidplay2 *) myStatus->player; return myPlayer->currEng->play(audioBuffer, audioBufSize); } gboolean xs_sidplay2_loadsid(t_xs_status *myStatus, gchar *pcFilename) { t_xs_sidplay2 *myPlayer = (t_xs_sidplay2 *) myStatus->player; assert(myStatus); /* Try to get the tune */ if (!pcFilename) return FALSE; if (!myPlayer->currTune->load(pcFilename)) return FALSE; /* Get current configuration */ myPlayer->currConfig = myPlayer->currEng->config(); /* Configure channels and stuff */ switch (myStatus->audioChannels) { case XS_CHN_AUTOPAN: myPlayer->currConfig.playback = sid2_stereo; break; case XS_CHN_STEREO: myPlayer->currConfig.playback = sid2_stereo; break; case XS_CHN_MONO: default: myPlayer->currConfig.playback = sid2_mono; break; } /* Memory mode settings */ switch (xs_cfg.memoryMode) { case XS_MPU_BANK_SWITCHING: myPlayer->currConfig.environment = sid2_envBS; break; case XS_MPU_TRANSPARENT_ROM: myPlayer->currConfig.environment = sid2_envTP; break; case XS_MPU_PLAYSID_ENVIRONMENT: myPlayer->currConfig.environment = sid2_envPS; break; case XS_MPU_REAL: default: myPlayer->currConfig.environment = sid2_envR; break; } /* Clockspeed settings */ switch (xs_cfg.clockSpeed) { case XS_CLOCK_NTSC: myPlayer->currConfig.clockSpeed = myPlayer->currConfig.clockDefault = SID2_CLOCK_NTSC; break; case XS_CLOCK_PAL: default: myPlayer->currConfig.clockSpeed = myPlayer->currConfig.clockDefault = SID2_CLOCK_PAL; break; } /* Configure rest of the emulation */ myPlayer->currConfig.sidEmulation = myPlayer->currBuilder; myPlayer->currConfig.clockForced = xs_cfg.forceSpeed; myPlayer->currConfig.optimisation = (xs_cfg.sid2OptLevel) ? 1 : 0; myPlayer->currConfig.sidDefault = myPlayer->currConfig.sidModel = (xs_cfg.mos8580) ? SID2_MOS8580 : SID2_MOS6581; myPlayer->currConfig.sidSamples = TRUE; // FIXME FIX ME, make configurable! myPlayer->currConfig.precision = myStatus->audioBitsPerSample; myPlayer->currConfig.frequency = myStatus->audioFrequency; switch (myStatus->audioBitsPerSample) { case XS_RES_8BIT: myStatus->audioFormat = FMT_U8; myPlayer->currConfig.sampleFormat = SID2_LITTLE_UNSIGNED; break; case XS_RES_16BIT: switch (myStatus->audioFormat) { case FMT_U16_LE: myPlayer->currConfig.sampleFormat = SID2_LITTLE_UNSIGNED; break; case FMT_U16_BE: myPlayer->currConfig.sampleFormat = SID2_BIG_UNSIGNED; break; case FMT_U16_NE: myStatus->audioFormat = FMT_U16_NE; #ifdef WORDS_BIGENDIAN myPlayer->currConfig.sampleFormat = SID2_BIG_UNSIGNED; #else myPlayer->currConfig.sampleFormat = SID2_LITTLE_UNSIGNED; #endif break; case FMT_S16_LE: myPlayer->currConfig.sampleFormat = SID2_LITTLE_SIGNED; break; case FMT_S16_BE: myPlayer->currConfig.sampleFormat = SID2_BIG_SIGNED; break; default: myStatus->audioFormat = FMT_S16_NE; #ifdef WORDS_BIGENDIAN myPlayer->currConfig.sampleFormat = SID2_BIG_SIGNED; #else myPlayer->currConfig.sampleFormat = SID2_LITTLE_SIGNED; #endif break; } break; } /* Now set the emulator configuration */ if (myPlayer->currEng->config(myPlayer->currConfig) < 0) { XSERR("Emulator engine configuration failed!\n"); return FALSE; } return TRUE; } /* * Delete tune */ void xs_sidplay2_deletesid(t_xs_status *myStatus) { assert(myStatus); /* With the current scheme of handling sidtune-loading, we don't do anything here. */ } /* * Return song information */ #define TFUNCTION1 xs_sidplay2_filetitle #define TFUNCTION2 xs_sidplay2_getsidinfo #define TTUNEINFO SidTuneInfo #define TTUNE SidTune #include "xs_sidplay.h" } /* extern "C" */ #endif /* HAVE_SIDPLAY2 */