Mercurial > hg > xmms-sid
view src/xmms-sid.cc @ 49:3518ca5c8b0f
Support for compile-time big/little-endian optimizations in audio output
author | Matti Hamalainen <ccr@tnsp.org> |
---|---|
date | Sat, 21 Jun 2003 20:51:01 +0000 |
parents | 84214a409d19 |
children | 6a3ce7260ae1 |
line wrap: on
line source
/* XMMS-SID - SIDPlay input plugin for X MultiMedia System (XMMS) Main source file 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. */ extern "C" { #include <pthread.h> #include <stdlib.h> #include <string.h> #include <stdio.h> #include <errno.h> #include <xmms/plugin.h> #include <xmms/util.h> #include <xmms/titlestring.h> #include "xmms-sid.h" #include "xs_interface.h" #include "xs_glade.h" #include "xs_support.h" #include "xs_config.h" #include "xs_length.h" } #ifdef HAVE_SIDPLAY1 #include <sidplay/player.h> #include <sidplay/myendian.h> #include <sidplay/fformat.h> #endif #ifdef HAVE_SIDPLAY2 #include <sidplay/sidplay2.h> #endif /* * Global variables */ #ifdef HAVE_SIDPLAY1 static struct emuConfig xs_emuConf; static emuEngine xs_emuEngine; typedef sidTune t_xs_tune; typedef struct sidTuneInfo t_xs_tuneinfo; #endif #ifdef HAVE_SIDPLAY2 static struct sid2_config_t xs_emuConf; static sidplay2 xs_emuEngine; typedef SidTune t_xs_tune; typedef struct SidTuneInfo t_xs_tuneinfo; #endif static GtkWidget *xs_ctrlwin = NULL; static pthread_t xs_decode_thread; struct t_xs_cfg xs_cfg; struct { gboolean isError, isPlaying, allowNext; gint currSong, nSongs; t_xs_tune *currTune; gchar *currFilename; } xs_status; pthread_mutex_t xs_mutex = PTHREAD_MUTEX_INITIALIZER; /* * Create sub-song control window */ void xs_ctrlwin_open(void) { /* Create sub-song control window */ if (xs_ctrlwin != NULL) { gdk_window_raise(xs_ctrlwin->window); return; } xs_ctrlwin = create_xs_ctrlwin(); gtk_widget_show(xs_ctrlwin); } /* * Initialize XMMS-SID */ void xs_init(void) { XSDEBUG("xs_init()\n"); /* Initialize and get configuration */ memset(&xs_cfg, 0, sizeof(xs_cfg)); xs_read_configuration(); xs_status.isError = FALSE; xs_status.isPlaying = FALSE; xs_status.nSongs = 0; xs_status.currSong = 0; xs_status.allowNext = TRUE; // Initialize to TRUE to allow first song xs_status.currTune = NULL; xs_status.currFilename = NULL; /* Try to initialize libSIDPlay(s) */ #ifdef HAVE_SIDPLAY1 if (!xs_emuEngine || !xs_emuEngine.verifyEndianess()) { XSERR("Couldn't start SIDPlay1 emulator engine!\n"); return; } #endif #ifdef HAVE_SIDPLAY2 #endif /* Read song-length database */ if (xs_cfg.songlenDBEnable) if (xs_songlen_init() < 0) { XSERR("Error initializing song-length database!\n"); } /* Initialize STIL structures */ xs_ctrlwin_open(); // FIXME FIXME FIx ME } /* * Shut down XMMS-SID */ void xs_close(void) { XSDEBUG("shutting down...\n"); /* Stop playing */ xs_plugin_ip.stop(); /* Shutdown libSIDPlay(s) */ #ifdef HAVE_SIDPLAY1 #endif #ifdef HAVE_SIDPLAY2 #endif /* Close sub-song control window */ /* Free allocated memory */ xs_songlen_close(); // FIXME FIXME: STIL-entries } /* * Check whether the given file is handled by this plugin */ gint xs_is_our_file(char *fileName) { char *pcExt; /* Check the filename */ if (fileName == NULL) return FALSE; /* Try to detect via libSIDPlay's detection routine, if required */ if (xs_cfg.detectMagic) { #ifdef HAVE_SIDPLAY1 t_xs_tune *testTune = new sidTune(fileName); if (!testTune) return FALSE; if (!testTune->getStatus()) { delete testTune; return FALSE; } delete testTune; return TRUE; #endif #ifdef HAVE_SIDPLAY2 #endif } /* Detect just by checking filename extension */ pcExt = strrchr(fileName, '.'); if (pcExt) { pcExt++; if (!strcasecmp(pcExt, "psid")) return TRUE; if (!strcasecmp(pcExt, "sid")) return TRUE; if (!strcasecmp(pcExt, "dat")) return TRUE; if (!strcasecmp(pcExt, "inf")) return TRUE; if (!strcasecmp(pcExt, "info")) return TRUE; } return FALSE; } /* * Main playing thread loop */ static void *xs_play_loop(void *argPointer) { /* Don't allow next song to be set yet */ pthread_mutex_lock(&xs_mutex); xs_status.allowNext = FALSE; pthread_mutex_unlock(&xs_mutex); /* Exit the playing thread */ XSDEBUG("exiting thread, bye.\n"); return NULL; } /* * Start playing the given file */ void xs_play_file(char *fileName) { t_xs_tune *newTune; t_xs_tuneinfo sidInf; XSDEBUG("request to load '%s'\n", fileName); /* Initialize audio output */ XSDEBUG("opening audio output plugin...\n"); if (!xs_plugin_ip.output->open_audio( ((xs_cfg.fmtBitsPerSample == 16) ? FMT_S16_NE : FMT_U8), xs_cfg.fmtFrequency, ((xs_cfg.fmtChannels == XS_CHN_MONO) ? 1 : 2))) { XSERR("Couldn't open audio output plugin!\n"); delete newTune; return; } /* Try to get the tune */ newTune = new t_xs_tune(fileName); if (newTune == NULL) return; XSDEBUG("tune ok, configuring SIDPlay engine\n"); #ifdef HAVE_SIDPLAY1 /* Get current configuration */ xs_emuEngine.getConfig(xs_emuConf); /* Configure channels and stuff */ switch (xs_cfg.fmtChannels) { case XS_CHN_AUTOPAN: xs_emuConf.channels = SIDEMU_STEREO; xs_emuConf.autoPanning = SIDEMU_CENTEREDAUTOPANNING; xs_emuConf.volumeControl = SIDEMU_FULLPANNING; break; case XS_CHN_STEREO: xs_emuConf.channels = SIDEMU_STEREO; xs_emuConf.autoPanning = SIDEMU_NONE; xs_emuConf.volumeControl = SIDEMU_NONE; break; case XS_CHN_MONO: xs_emuConf.channels = SIDEMU_MONO; xs_emuConf.autoPanning = SIDEMU_NONE; xs_emuConf.volumeControl = SIDEMU_NONE; break; default: XSERR("Internal: Invalid channels setting. Possibly corrupted configuration file.\n"); delete newTune; return; } /* Memory mode settings */ switch (xs_cfg.memoryMode) { case XS_MPU_BANK_SWITCHING: xs_emuConf.memoryMode = MPU_BANK_SWITCHING; break; case XS_MPU_TRANSPARENT_ROM: xs_emuConf.memoryMode = MPU_TRANSPARENT_ROM; break; case XS_MPU_PLAYSID_ENVIRONMENT: xs_emuConf.memoryMode = MPU_PLAYSID_ENVIRONMENT; break; default: XSERR("Internal: Invalid memoryMode setting. Possibly corrupted configuration file.\n"); delete newTune; return; } /* Clockspeed settings */ switch (xs_cfg.clockSpeed) { case XS_CLOCK_PAL: xs_emuConf.clockSpeed = SIDTUNE_CLOCK_PAL; break; case XS_CLOCK_NTSC: xs_emuConf.clockSpeed = SIDTUNE_CLOCK_NTSC; break; default: XSERR("Internal: Invalid clockSpeed setting. Possibly corrupted configuration file.\n"); delete newTune; return; } /* Configure rest of the emulation */ xs_emuConf.bitsPerSample = xs_cfg.fmtBitsPerSample; xs_emuConf.frequency = xs_cfg.fmtFrequency; #ifdef HAVE_UNSIGNEDPCM xs_emuConf.sampleFormat = SIDEMU_UNSIGNED_PCM; #else xs_emuConf.sampleFormat = SIDEMU_SIGNED_PCM; #endif xs_emuConf.mos8580 = xs_cfg.mos8580; xs_emuConf.emulateFilter = xs_cfg.emulateFilters; xs_emuConf.filterFs = xs_cfg.filterFs; xs_emuConf.filterFm = xs_cfg.filterFm; xs_emuConf.filterFt = xs_cfg.filterFt; /* Now set the emulator configuration */ xs_emuEngine.setConfig(xs_emuConf); #endif #ifdef HAVE_SIDPLAY2 /* Get current configuration */ xs_emuConf = xs_emuEngine.config(); /* Configure channels and stuff */ switch (xs_cfg.fmtChannels) { case XS_CHN_AUTOPAN: xs_emuConf.playback = sid2_stereo; break; case XS_CHN_STEREO: xs_emuConf.playback = sid2_stereo; break; case XS_CHN_MONO: xs_emuConf.playback = sid2_mono; break; default: XSERR("Internal: Invalid channels setting. Possibly corrupted configuration file.\n"); delete newTune; return; } /* Memory mode settings */ switch (xs_cfg.memoryMode) { case XS_MPU_BANK_SWITCHING: xs_emuConf.environment = sid2_envBS; break; case XS_MPU_TRANSPARENT_ROM: xs_emuConf.environment = sid2_envTP; break; case XS_MPU_PLAYSID_ENVIRONMENT: xs_emuConf.environment = sid2_envPS; break; case XS_MPU_REAL: xs_emuConf.environment = sid2_envR; break; default: XSERR("Internal: Invalid memoryMode setting. Possibly corrupted configuration file.\n"); delete newTune; return; } /* Clockspeed settings */ switch (xs_cfg.clockSpeed) { case XS_CLOCK_PAL: xs_emuConf.clockSpeed = xs_emuConf.clockDefault = SID2_CLOCK_PAL; break; case XS_CLOCK_NTSC: xs_emuConf.clockSpeed = xs_emuConf.clockDefault = SID2_CLOCK_NTSC; break; default: XSERR("Internal: Invalid clockSpeed setting. Possibly corrupted configuration file.\n"); delete newTune; return; } /* Configure rest of the emulation */ xs_emuConf.precision = xs_cfg.fmtBitsPerSample; xs_emuConf.frequency = xs_cfg.fmtFrequency; xs_emuConf.clockForced = xs_cfg.forceSpeed; xs_emuConf.optimisation = xs_cfg.optimiseLevel; xs_emuConf.sidModel = (xs_cfg.mos8580) ? SID2_MOS8580 : SID2_MOS6581; xs_emuConf.sidDefault = SID2_MOS6581; xs_emuConf.sidSamples = emulation.sidSamples; #ifdef HAVE_UNSIGNEDPCM #ifdef WORDS_BIGENDIAN xs_emuConf.sampleFormat = SID2_BIG_UNSIGNED; #else xs_emuConf.sampleFormat = SID2_LITTLE_UNSIGNED; #endif #else #ifdef WORDS_BIGENDIAN xs_emuConf.sampleFormat = SID2_BIG_SIGNED; #else xs_emuConf.sampleFormat = SID2_LITTLE_SIGNED; #endif #endif /* Now set the emulator configuration */ xs_emuEngine.config(xs_emuConf); #endif /* Initialize status information */ XSDEBUG("initializing and starting playing thread!\n"); newTune->getInfo(sidInf); xs_status.isError = FALSE; xs_status.isPlaying = TRUE; xs_status.allowNext = TRUE; xs_status.currSong = sidInf.startSong; xs_status.nSongs = sidInf.songs; xs_status.currTune = newTune; /* Start the playing thread! */ if (pthread_create(&xs_decode_thread, NULL, xs_play_loop, NULL) < 0) { XSERR("Couldn't start playing thread! Possible reason reported by system: %s\n", strerror(errno)); delete newTune; } /* Exit */ } /* * Stop playing */ void xs_stop(void) { /* If playing, stop. */ XSDEBUG("request to stop.\n"); if (xs_status.isPlaying) { XSDEBUG("stopping...\n"); pthread_mutex_lock(&xs_mutex); xs_status.isPlaying = 0; pthread_mutex_unlock(&xs_mutex); pthread_join(xs_decode_thread, NULL); xs_plugin_ip.output->close_audio(); } } /* * Pause the playing */ void xs_pause(short pauseState) { xs_plugin_ip.output->pause(pauseState); } /* * Set the time-seek position * (the playing thread will do the "seeking" aka song-change) */ void xs_seek(int iTime) { #ifdef HAVE_SONG_POSITION pthread_mutex_lock(&xs_mutex); if ((iTime > 0) && (iTime <= xs_status.nSongs) && xs_status.isPlaying) { xs_status.currSong = iTime; } pthread_mutex_unlock(&xs_mutex); #endif } /* * Return the playing "position/time" */ int xs_get_time(void) { pthread_mutex_lock(&xs_mutex); if (xs_status.isError) return -2; if (!xs_status.isPlaying) return -1; #ifdef HAVE_SONG_POSITION set_song_position(xs_status.currSong, 1, xs_status.nSongs); #endif pthread_mutex_unlock(&xs_mutex); return xs_plugin_ip.output->output_time(); } /* * Return song information */ void xs_get_song_info(char *songFilename, char **songTitle, int *songLength) { t_xs_tuneinfo sidInf; t_xs_tune *testTune = new sidTune(songFilename); /* Check if the tune exists and is readable */ if (!testTune) return; if (!testTune->getStatus()) { delete testTune; return; } /* Get general tune information */ testTune->getInfo(sidInf); delete testTune; /* Get titlestring */ *songTitle = NULL; /* Get song length (in milliseconds), negative if no known length */ *songLength = xs_songlen_get(songFilename, sidInf.startSong) * 1000; } /* * Create the SID-tune description string from the tune's information * formatted by the user-specified format-string. */ gchar *xs_filetitle_get(gchar *pcFilename, void *pfInfo, gint iSubTune) { gint i, j, iLength; gchar *pcResult; t_xs_tuneinfo *finfo = (t_xs_tuneinfo *) pfInfo; #ifdef HAVE_XMMSEXTRA TitleInput *ptInput; #endif // FIXME FIXME: get STIL-info #ifdef HAVE_XMMSEXTRA /* Check if the titles are overridden or not */ if (!xs_cfg.titleOverride) { /* Use generic XMMS titles */ /* XMMS_NEW_TITLEINPUT(ptInput); * We duplicate and add typecast to the code here due to XMMS's braindead headers */ ptInput = (TitleInput *) g_malloc0(sizeof(TitleInput)); ptInput->__size = XMMS_TITLEINPUT_SIZE; ptInput->__version = XMMS_TITLEINPUT_VERSION; /* Create the input fields */ ptInput->file_name = pcFilename; ptInput->file_ext = pcFilename; ptInput->file_path = pcFilename; ptInput->track_name = finfo->nameString; ptInput->track_number = iSubTune; ptInput->album_name = NULL; ptInput->performer = finfo->authorString; xs_strcalloc(&ptInput->date, ""); ptInput->year = 0; xs_strcalloc(&ptInput->genre, "SID-tune"); ptInput->comment = finfo->copyrightString; /* Create the string */ pcResult = xmms_get_titlestring(xmms_get_gentitle_format(), ptInput); /* Dispose all allocated memory */ g_free(ptInput->date); g_free(ptInput->genre); g_free(ptInput); } else { #endif /* Check the info strings */ if (finfo->numberOfInfoStrings != 3) { if (finfo->numberOfInfoStrings < 1) return 0; return g_strdup(finfo->infoString[0]); } /* Construct the final result info */ for (j = i = 0; i < strlen(xs_cfg.titleFormat); i++) { if (xs_cfg.titleFormat[i] == '%') { switch (xs_cfg.titleFormat[++i]) { case '1': xs_strpcat(&pcResult, &j, finfo->authorString); break; case '2': xs_strpcat(&pcResult, &j, finfo->nameString); break; case '3': xs_strpcat(&pcResult, &j, finfo->copyrightString); break; case '4': xs_strpcat(&pcResult, &j, finfo->formatString); break; } /* case */ } else pcResult[j++] = xs_cfg.titleFormat[i]; } pcResult[j] = 0; #ifdef HAVE_XMMSEXTRA } #endif return pcResult; }