Mercurial > hg > xmms-sid
view src/xs_sidplayfp.cpp @ 847:5b93bd8c7814
Cleanups, adjust backend configuration sequences, more error checking,
improved debug output.
author | Matti Hamalainen <ccr@tnsp.org> |
---|---|
date | Thu, 08 Nov 2012 22:44:36 +0200 |
parents | ae1f6418d093 |
children | 2663b1ac9ce6 |
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/* XMMS-SID - SIDPlay input plugin for X MultiMedia System (XMMS) libSIDPlay2-FP support Programmed and designed by Matti 'ccr' Hamalainen <ccr@tnsp.org> (C) Copyright 1999-2012 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. */ #include "xmms-sid.h" #ifdef HAVE_SIDPLAYFP #include "xs_sidplayfp.h" #include "xs_slsup.h" #include "xs_config.h" #ifdef HAVE_SIDPLAYFP_V1 # include <sidplayfp/SidTune.h> # include <sidplayfp/sidplayfp.h> # include <sidplayfp/event.h> # include <sidplayfp/SidConfig.h> # include <sidplayfp/SidTuneInfo.h> #else # include <sidplayfp/sidplay2.h> # include <sidplayfp/SidTuneMod.h> # include <sidplayfp/event.h> #endif class XSSIDPlayFP { public: #ifdef HAVE_SIDPLAYFP_V1 sidplayfp emu; SidConfig config; #else sidplay2 emu; sid2_config_t config; #endif SidTuneMod tune; XSSIDPlayFP(void); virtual ~XSSIDPlayFP(void); }; #ifdef HAVE_RESID_FP_BUILDER # include <sidplayfp/builders/residfp.h> #endif #ifdef HAVE_RESID_FP_BUILDER # include <sidplayfp/builders/resid.h> #endif #ifdef HAVE_HARDSID_BUILDER # include <sidplayfp/builders/hardsid.h> #endif XSSIDPlayFP::XSSIDPlayFP(void) : tune(0) { } XSSIDPlayFP::~XSSIDPlayFP(void) { emu.load(NULL); } /* We need to 'export' all this pseudo-C++ crap */ extern "C" { /* Return song information */ #define TFUNCTION xs_sidplayfp_getinfo #define TFUNCTION2 xs_sidplayfp_updateinfo #define TENGINE XSSIDPlayFP #define TTUNEINFO SidTuneInfo #define TTUNE SidTune #ifdef HAVE_SIDPLAYFP_V1 #define sid2_mono SidConfig::MONO #define sid2_stereo SidConfig::STEREO #define SID2_MOS8580 SidConfig::MOS8580 #define SID2_MOS6581 SidConfig::MOS6581 #define SID2_CLOCK_PAL SidConfig::CLOCK_PAL #define SID2_CLOCK_NTSC SidConfig::CLOCK_NTSC #define SIDTUNE_CLOCK_UNKNOWN SidTuneInfo::CLOCK_UNKNOWN #define SIDTUNE_CLOCK_PAL SidTuneInfo::CLOCK_PAL #define SIDTUNE_CLOCK_NTSC SidTuneInfo::CLOCK_NTSC #define SIDTUNE_CLOCK_ANY SidTuneInfo::CLOCK_ANY #define SIDTUNE_SPEED_VBI SidTuneInfo::SPEED_VBI #define SIDTUNE_SPEED_CIA_1A SidTuneInfo::SPEED_CIA_1A #endif #include "xs_sidplay.h" /* Check if we can play the given file */ gboolean xs_sidplayfp_probe(XSFile *f) { gchar tmpBuf[5]; if (!f) return FALSE; if (xs_fread(tmpBuf, sizeof(gchar), 4, f) != 4) return FALSE; if (!strncmp(tmpBuf, "PSID", 4) || !strncmp(tmpBuf, "RSID", 4)) return TRUE; else return FALSE; } /* Initialize SIDPlayFP */ gboolean xs_sidplayfp_init(XSEngineState * state) { XSSIDPlayFP *engine; assert(state); XSDEBUG("SIDPlayFP backend initializing.\n"); /* Allocate internal structures */ engine = new XSSIDPlayFP(); state->internal = engine; if (!engine) return FALSE; /* Get current configuration */ XSDEBUG("SIDPlayFP emulation configuration\n"); engine->config = engine->emu.config(); /* Configure channels and stuff */ engine->config.playback = (state->audioChannels == XS_CHN_MONO) ? sid2_mono : sid2_stereo; /* Audio parameters sanity checking and setup */ state->audioBitsPerSample = XS_RES_16BIT; engine->config.samplingMethod = SID2_RESAMPLE_INTERPOLATE; engine->config.frequency = state->audioFrequency; /* Clockspeed settings */ switch (xs_cfg.clockSpeed) { case XS_CLOCK_NTSC: engine->config.clockDefault = SID2_CLOCK_NTSC; break; default: case XS_CLOCK_PAL: engine->config.clockDefault = SID2_CLOCK_PAL; xs_cfg.clockSpeed = XS_CLOCK_PAL; break; } /* Configure rest of the emulation */ engine->config.sidDefault = xs_cfg.mos8580 ? SID2_MOS8580 : SID2_MOS6581; engine->config.clockForced = xs_cfg.forceSpeed; #ifndef HAVE_SIDPLAYFP_V1 engine->config.sidSamples = TRUE; engine->config.sidModel = xs_cfg.forceModel ? engine->config.sidDefault : SID2_MODEL_CORRECT; engine->config.clockSpeed = xs_cfg.forceSpeed ? engine->config.clockDefault : SID2_CLOCK_CORRECT; #endif /* Initialize builder object */ XSDEBUG("init builder #%i, maxsids=%i\n", xs_cfg.sid2Builder, (engine->emu.info()).maxsids); switch (xs_cfg.sid2Builder) { #if 0 #ifdef HAVE_RESID_BUILDER case XS_BLD_RESID: { ReSIDBuilder *rs = new ReSIDBuilder("ReSID builder"); #ifdef HAVE_SIDPLAYFP_V1 if (rs && rs->getStatus()) { } #else if (rs && *rs) { engine->config.sidEmulation = rs; if (!(*rs)) return FALSE; rs->create((engine->emu.info()).maxsids); if (!(*rs)) return FALSE; rs->bias(0.0f); } #endif // HAVE_SIDPLAYFP_V1 } break; #endif // HAVE_RESID_BUILDER #endif #ifdef HAVE_RESID_FP_BUILDER case XS_BLD_RESID_FP: { ReSIDfpBuilder *rs = new ReSIDfpBuilder("ReSID builder FP!"); if (rs && *rs) { engine->config.sidEmulation = rs; if (!(*rs)) return FALSE; rs->create((engine->emu.info()).maxsids); if (!(*rs)) return FALSE; rs->filter6581Curve(0.0); rs->filter8580Curve(0.0); } } break; #endif #ifdef HAVE_HARDSID_BUILDER case XS_BLD_HARDSID: { HardSIDBuilder *hs = new HardSIDBuilder("HardSID builder (FP)"); engine->config.sidEmulation = (sidbuilder *) hs; if (hs) { hs->create((engine->emu.info()).maxsids); if (!*hs) { xs_error("hardSID->create() failed.\n"); return FALSE; } } } break; #endif default: xs_error("[SIDPlayFP] Invalid or unsupported builder selected.\n"); return FALSE; } if (!engine->config.sidEmulation) { xs_error("[SIDPlayFP] Could not initialize SIDBuilder object.\n"); return FALSE; } // Setup filter engine->config.sidEmulation->filter(xs_cfg.emulateFilters); if (!*(engine->config.sidEmulation)) { xs_error("builder->filter(%d) failed.\n", xs_cfg.emulateFilters); return FALSE; } XSDEBUG("%s\n", engine->config.sidEmulation->credits()); return TRUE; } /* Close SIDPlayFP engine */ void xs_sidplayfp_close(XSEngineState * state) { XSSIDPlayFP *engine = (XSSIDPlayFP *) state->internal; XSDEBUG("SIDPlayFP backend shutdown.\n"); xs_sidplayfp_delete(state); if (engine) { delete engine; engine = NULL; } state->internal = NULL; } /* Initialize current song and sub-tune */ gboolean xs_sidplayfp_initsong(XSEngineState * state) { XSSIDPlayFP *engine = (XSSIDPlayFP *) state->internal; if (!engine) return FALSE; if (!engine->tune.selectSong(state->currSong)) { xs_error("[SIDPlayFP] tune.selectSong() failed\n"); return FALSE; } if (engine->emu.load(&(engine->tune)) < 0) { xs_error("[SIDPlayFP] emu.load() failed\n"); return FALSE; } if (engine->emu.config(engine->config) < 0) { xs_error("[SIDPlayFP] Emulator engine configuration failed!\n"); return FALSE; } return TRUE; } /* Emulate and render audio data to given buffer */ guint xs_sidplayfp_fillbuffer(XSEngineState * state, gchar * audioBuffer, guint audioBufSize) { XSSIDPlayFP *engine = (XSSIDPlayFP *) state->internal; if (!engine) return 0; #if 1 int nsamples = audioBufSize / sizeof(short); return engine->emu.play((short *) audioBuffer, nsamples) * sizeof(short); #else int nsamples = audioBufSize / sizeof(short); fprintf(stderr, "%p, %d -> %d\n", audioBuffer, audioBufSize, nsamples); return 0; #endif } /* Load a given SID-tune file */ gboolean xs_sidplayfp_load(XSEngineState * state, gchar * filename) { XSSIDPlayFP *engine = (XSSIDPlayFP *) state->internal; if (!engine || !filename) return FALSE; engine->tune.load(filename); if (!engine->tune) { xs_error("Could not load file '%s': %s\n", filename, (engine->tune.getInfo()).statusString); return FALSE; } return TRUE; } /* Delete INTERNAL information */ void xs_sidplayfp_delete(XSEngineState * state) { (void) state; // XSSIDPlayFP *engine = (XSSIDPlayFP *) state->internal; } /* Hardware backend flushing */ void xs_sidplayfp_flush(XSEngineState * state) { XSSIDPlayFP *engine = (XSSIDPlayFP *) state->internal; #ifdef HAVE_HARDSID_BUILDER if (xs_cfg.sid2Builder == XS_BLD_HARDSID) { ((HardSIDBuilder *) engine->config.sidEmulation)->flush(); } #endif } } /* extern "C" */ #endif /* HAVE_SIDPLAYFP */