Mercurial > hg > xmms-sid
view src/xmms-sid.c @ 273:f6daddca03c7
Merging in oversampling support, audio settings sanitation.
author | Matti Hamalainen <ccr@tnsp.org> |
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date | Thu, 23 Dec 2004 17:04:03 +0000 |
parents | 2316e524d67b |
children | e040962f4f4c |
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/* 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. */ #include "xmms-sid.h" #include "xs_support.h" #ifdef HAVE_STDLIB_H #include <stdlib.h> #endif #include <xmms/plugin.h> #include <xmms/util.h> #include <gdk/gdkkeysyms.h> #include <gtk/gtk.h> #include "xs_config.h" #include "xs_length.h" #include "xs_stil.h" #include "xs_fileinfo.h" #include "xs_interface.h" #include "xs_glade.h" /* * Include player engines */ #ifdef HAVE_SIDPLAY1 #include "xs_sidplay1.h" #endif #ifdef HAVE_SIDPLAY2 #include "xs_sidplay2.h" #endif /* * List of players and links to their functions */ t_xs_player xs_playerlist[] = { #ifdef HAVE_SIDPLAY1 { XS_ENG_SIDPLAY1, xs_sidplay1_isourfile, xs_sidplay1_init, xs_sidplay1_close, xs_sidplay1_initsong, xs_sidplay1_fillbuffer, xs_sidplay1_loadsid, xs_sidplay1_deletesid, xs_sidplay1_getsidinfo }, #endif #ifdef HAVE_SIDPLAY2 { XS_ENG_SIDPLAY2, xs_sidplay2_isourfile, xs_sidplay2_init, xs_sidplay2_close, xs_sidplay2_initsong, xs_sidplay2_fillbuffer, xs_sidplay2_loadsid, xs_sidplay2_deletesid, xs_sidplay2_getsidinfo }, #endif }; const gint xs_nplayerlist = (sizeof(xs_playerlist) / sizeof(t_xs_player)); /* * Global variables */ t_xs_status xs_status; XS_MUTEX(xs_status); static pthread_t xs_decode_thread; static GtkWidget *xs_subctrl = NULL; static GtkObject *xs_subctrl_adj = NULL; XS_MUTEX(xs_subctrl); void xs_subctrl_close(void); void xs_subctrl_update(void); /* * Initialization functions */ void xs_reinit(void) { gint iPlayer; gboolean isInitialized; /* Stop playing, if we are */ XS_MUTEX_LOCK(xs_status); if (xs_status.isPlaying) { XS_MUTEX_UNLOCK(xs_status); xs_stop(); } else { XS_MUTEX_UNLOCK(xs_status); } /* Initialize status and sanitize configuration */ xs_memset(&xs_status, 0, sizeof(xs_status)); if (xs_cfg.audioFrequency < 8000) xs_cfg.audioFrequency = 8000; if (xs_cfg.oversampleFactor < XS_MIN_OVERSAMPLE) xs_cfg.oversampleFactor = XS_MIN_OVERSAMPLE; else if (xs_cfg.oversampleFactor > XS_MAX_OVERSAMPLE) xs_cfg.oversampleFactor = XS_MAX_OVERSAMPLE; xs_status.audioFrequency = xs_cfg.audioFrequency; xs_status.audioBitsPerSample = xs_cfg.audioBitsPerSample; xs_status.audioChannels = xs_cfg.audioChannels; xs_status.audioFormat = -1; xs_status.oversampleEnable = xs_cfg.oversampleEnable; xs_status.oversampleFactor = xs_cfg.oversampleFactor; /* Try to initialize emulator engine */ XSDEBUG("initializing emulator engine #%i...\n", xs_cfg.playerEngine); iPlayer = 0; isInitialized = FALSE; while ((iPlayer < xs_nplayerlist) && !isInitialized) { if (xs_playerlist[iPlayer].plrIdent == xs_cfg.playerEngine) { if (xs_playerlist[iPlayer].plrInit(&xs_status)) { isInitialized = TRUE; xs_status.sidPlayer = (t_xs_player *) &xs_playerlist[iPlayer]; } } iPlayer++; } XSDEBUG("init#1: %s, %i\n", (isInitialized) ? "OK" : "FAILED", iPlayer); iPlayer = 0; while ((iPlayer < xs_nplayerlist) && !isInitialized) { if (xs_playerlist[iPlayer].plrInit(&xs_status)) { isInitialized = TRUE; xs_status.sidPlayer = (t_xs_player *) &xs_playerlist[iPlayer]; xs_cfg.playerEngine = xs_playerlist[iPlayer].plrIdent; } else iPlayer++; } XSDEBUG("init#2: %s, %i\n", (isInitialized) ? "OK" : "FAILED", iPlayer); /* Get settings back, in case the chosen emulator backend changed them */ xs_cfg.audioFrequency = xs_status.audioFrequency; xs_cfg.audioBitsPerSample = xs_status.audioBitsPerSample; xs_cfg.audioChannels = xs_status.audioChannels; xs_cfg.oversampleEnable = xs_status.oversampleEnable; /* Initialize song-length database */ xs_songlen_close(); if (xs_cfg.songlenDBEnable && (xs_songlen_init() != 0)) { XSERR("Error initializing song-length database!\n"); } /* Initialize STIL database */ xs_stil_close(); if (xs_cfg.stilDBEnable && (xs_stil_init() != 0)) { XSERR("Error initializing STIL database!\n"); } } /* * Initialize XMMS-SID */ void xs_init(void) { XSDEBUG("xs_init()\n"); /* Initialize and get configuration */ xs_memset(&xs_cfg, 0, sizeof(xs_cfg)); xs_init_configuration(); xs_read_configuration(); /* Initialize subsystems */ xs_reinit(); XSDEBUG("OK\n"); } /* * Shut down XMMS-SID */ void xs_close(void) { XSDEBUG("xs_close(): shutting down...\n"); /* Stop playing, free structures */ xs_stop(); xs_tuneinfo_free(xs_status.tuneInfo); xs_status.tuneInfo = NULL; xs_status.sidPlayer->plrDeleteSID(&xs_status); xs_status.sidPlayer->plrClose(&xs_status); xs_songlen_close(); xs_stil_close(); XSDEBUG("shutdown finished.\n"); } /* * Check whether the given file is handled by this plugin */ gint xs_is_our_file(gchar *pcFilename) { gchar *pcExt; assert(xs_status.sidPlayer); /* Check the filename */ if (pcFilename == NULL) return FALSE; /* Try to detect via detection routine, if required */ if (xs_cfg.detectMagic && xs_status.sidPlayer->plrIsOurFile(pcFilename)) return TRUE; /* Detect just by checking filename extension */ pcExt = xs_strrchr(pcFilename, '.'); if (pcExt) { pcExt++; switch (xs_cfg.playerEngine) { case XS_ENG_SIDPLAY1: case XS_ENG_SIDPLAY2: if (!g_strcasecmp(pcExt, "psid")) return TRUE; if (!g_strcasecmp(pcExt, "sid")) return TRUE; if (!g_strcasecmp(pcExt, "dat")) return TRUE; if (!g_strcasecmp(pcExt, "inf")) return TRUE; if (!g_strcasecmp(pcExt, "info")) return TRUE; break; } } return FALSE; } /* * Main playing thread loop */ void *xs_playthread(void *argPointer) { t_xs_status myStatus; t_xs_tuneinfo *myTune; gboolean audioOpen = FALSE, doPlay = FALSE; guint audioGot; gint songLength; #ifdef XS_BUF_DYNAMIC gchar *audioBuffer = NULL, *oversampleBuffer = NULL; #else gchar audioBuffer[XS_AUDIOBUF_SIZE], oversampleBuffer[(XS_AUDIOBUF_SIZE * XS_MAX_OVERSAMPLE)]; #endif /* Initialize */ XSDEBUG("entering player thread\n"); XS_MUTEX_LOCK(xs_status); memcpy(&myStatus, &xs_status, sizeof(t_xs_status)); myTune = xs_status.tuneInfo; XS_MUTEX_UNLOCK(xs_status); audioBuffer = oversampleBuffer = NULL; /* Allocate audio buffer */ #ifdef XS_BUF_DYNAMIC audioBuffer = (gchar *) g_malloc(XS_AUDIOBUF_SIZE); if (audioBuffer == NULL) { XSERR("Couldn't allocate memory for audio data buffer!\n"); goto xs_err_exit; } if (myStatus.oversampleEnable) { oversampleBuffer = (gchar *) g_malloc(XS_AUDIOBUF_SIZE * myStatus.oversampleFactor); if (oversampleBuffer == NULL) { XSERR("Couldn't allocate memory for audio oversampling buffer!\n"); goto xs_err_exit; } } #endif /* * Main player loop: while not stopped, loop here - play subtunes */ audioOpen = FALSE; doPlay = TRUE; while (xs_status.isPlaying && doPlay) { XS_MUTEX_LOCK(xs_status); myStatus.currSong = xs_status.currSong; XS_MUTEX_UNLOCK(xs_status); XSDEBUG("subtune #%i selected, initializing...\n", myStatus.currSong); GDK_THREADS_ENTER(); xs_subctrl_update(); GDK_THREADS_LEAVE(); songLength = myTune->subTunes[myStatus.currSong - 1].tuneLength; /* Check minimum playtime */ if (xs_cfg.playMinTimeEnable) { if (xs_cfg.playMinTimeUnknown) { if (songLength < 0) songLength = xs_cfg.playMinTime; } else { if (songLength < xs_cfg.playMinTime) songLength = xs_cfg.playMinTime; } } /* Initialize song */ if (!myStatus.sidPlayer->plrInitSong(&myStatus)) { XSERR("Couldn't initialize SID-tune '%s' (sub-tune #%i)!\n", myTune->sidFilename, myStatus.currSong); goto xs_err_exit; } /* Open the audio output */ if (!xs_plugin_ip.output->open_audio(myStatus.audioFormat, myStatus.audioFrequency, myStatus.audioChannels)) { XSERR("Couldn't open XMMS audio output (fmt=%x, freq=%i, nchan=%i)!\n", myStatus.audioFormat, myStatus.audioFrequency, myStatus.audioChannels); XS_MUTEX_LOCK(xs_status); xs_status.isError = TRUE; XS_MUTEX_UNLOCK(xs_status); goto xs_err_exit; } audioOpen = TRUE; /* Set song information for current subtune */ xs_plugin_ip.set_info( myTune->subTunes[myStatus.currSong - 1].tuneTitle, (songLength > 0) ? (songLength * 1000) : -1, (myTune->subTunes[myStatus.currSong - 1].tuneSpeed > 0) ? (myTune->subTunes[myStatus.currSong - 1].tuneSpeed * 1000) : -1, myStatus.audioFrequency, myStatus.audioChannels); XSDEBUG("playing\n"); /* * Play the subtune */ while (xs_status.isPlaying && myStatus.isPlaying && (xs_status.currSong == myStatus.currSong)) { /* Render audio data */ if (myStatus.oversampleEnable) { /* Perform oversampled rendering */ audioGot = myStatus.sidPlayer->plrFillBuffer(&myStatus, oversampleBuffer, (XS_AUDIOBUF_SIZE * myStatus.oversampleFactor)); /* Execute rate-conversion with filtering */ audioGot = xs_rateconv_filter( audioBuffer, oversampleBuffer, myStatus.audioFormat, myStatus.oversampleFactor, XS_AUDIOBUF_SIZE); } else audioGot = myStatus.sidPlayer->plrFillBuffer(&myStatus, audioBuffer, XS_AUDIOBUF_SIZE); /* I <3 visualice/haujobb */ xs_plugin_ip.add_vis_pcm( xs_plugin_ip.output->written_time(), myStatus.audioFormat, myStatus.audioChannels, audioGot, audioBuffer); /* Wait a little */ while (xs_status.isPlaying && (xs_status.currSong == myStatus.currSong) && ((guint) xs_plugin_ip.output->buffer_free() < audioGot)) xmms_usleep(500); /* Output audio */ if (xs_status.isPlaying && (xs_status.currSong == myStatus.currSong)) xs_plugin_ip.output->write_audio(audioBuffer, audioGot); /* Check if we have played enough */ if (xs_cfg.playMaxTimeEnable) { if (xs_cfg.playMaxTimeUnknown) { if ((songLength == -1) && (xs_plugin_ip.output->output_time() >= (xs_cfg.playMaxTime * 1000))) myStatus.isPlaying = FALSE; } else { if (xs_plugin_ip.output->output_time() >= (xs_cfg.playMaxTime * 1000)) myStatus.isPlaying = FALSE; } } if (songLength > 0) { if (xs_plugin_ip.output->output_time() >= (songLength * 1000)) myStatus.isPlaying = FALSE; } } XSDEBUG("subtune ended/stopped\n"); /* Close audio output plugin */ if (audioOpen) { XSDEBUG("close audio #1\n"); xs_plugin_ip.output->close_audio(); audioOpen = FALSE; } /* Now determine if we continue by selecting other subtune or something */ if (!myStatus.isPlaying) { /* FIXME FIX ME! !! subtunet joo ja tuota eli */ doPlay = FALSE; } } xs_err_exit: /* Close audio output plugin */ if (audioOpen) { XSDEBUG("close audio #2\n"); xs_plugin_ip.output->close_audio(); } #ifdef XS_BUF_DYNAMIC g_free(audioBuffer); g_free(oversampleBuffer); #endif /* Set playing status to false (stopped), thus when * XMMS next calls xs_get_time(), it can return appropriate * value "not playing" status and XMMS knows to move to * next entry in the playlist .. or whatever it wishes. */ XS_MUTEX_LOCK(xs_status); xs_status.isPlaying = FALSE; XS_MUTEX_UNLOCK(xs_status); /* Exit the playing thread */ XSDEBUG("exiting thread, bye.\n"); pthread_exit(NULL); } /* * Start playing the given file * Here we load the tune and initialize the playing thread. * Usually you would also initialize the output-plugin, but * this is XMMS-SID and we do it on the player thread instead. */ void xs_play_file(gchar *pcFilename) { assert(xs_status.sidPlayer); XSDEBUG("play '%s'\n", pcFilename); /* Get tune information */ if ((xs_status.tuneInfo = xs_status.sidPlayer->plrGetSIDInfo(pcFilename)) == NULL) return; /* Initialize the tune */ if (!xs_status.sidPlayer->plrLoadSID(&xs_status, pcFilename)) { xs_tuneinfo_free(xs_status.tuneInfo); xs_status.tuneInfo = NULL; return; } XSDEBUG("load ok\n"); /* Set general status information */ xs_status.isPlaying = TRUE; xs_status.isError = FALSE; xs_status.currSong = xs_status.tuneInfo->startTune; /* Start the playing thread! */ if (pthread_create(&xs_decode_thread, NULL, xs_playthread, NULL) < 0) { XSERR("Couldn't start playing thread!\n"); xs_tuneinfo_free(xs_status.tuneInfo); xs_status.tuneInfo = NULL; xs_status.sidPlayer->plrDeleteSID(&xs_status); } /* Okay, here the playing thread has started up and we * return from here to XMMS. Rest is up to XMMS's GUI * and playing thread. */ XSDEBUG("systems should be up?\n"); } /* * Stop playing * Here we set the playing status to stop and wait for playing * thread to shut down. In any "correctly" done plugin, this is * also the function where you close the output-plugin, but since * XMMS-SID has special behaviour (audio opened/closed in the * playing thread), we don't do that here. * * Finally tune and other memory allocations are free'd. */ void xs_stop(void) { XSDEBUG("STOP_REQ\n"); /* Close the sub-tune control window, if any */ xs_subctrl_close(); /* Lock xs_status and stop playing thread */ XS_MUTEX_LOCK(xs_status); if (xs_status.isPlaying) { /* Stop playing */ XSDEBUG("stopping...\n"); xs_status.isPlaying = FALSE; XS_MUTEX_UNLOCK(xs_status); pthread_join(xs_decode_thread, NULL); } else { XS_MUTEX_UNLOCK(xs_status); } /* Status is now stopped, update the sub-tune * controller in fileinfo window (if open) */ xs_fileinfo_update(); /* Free tune information */ xs_status.sidPlayer->plrDeleteSID(&xs_status); xs_tuneinfo_free(xs_status.tuneInfo); xs_status.tuneInfo = NULL; } /* * Pause/unpause the playing */ void xs_pause(short pauseState) { XS_MUTEX_LOCK(xs_status); /* pause... */ XS_MUTEX_UNLOCK(xs_status); xs_subctrl_close(); xs_fileinfo_update(); xs_plugin_ip.output->pause(pauseState); } /* * Pop-up subtune selector */ void xs_subctrl_setsong(void) { gint n; XS_MUTEX_LOCK(xs_status); XS_MUTEX_LOCK(xs_subctrl); if (xs_status.tuneInfo && xs_status.isPlaying) { n = GTK_ADJUSTMENT(xs_subctrl_adj)->value; if ((n >= 1) && (n <= xs_status.tuneInfo->nsubTunes)) xs_status.currSong = n; } XS_MUTEX_UNLOCK(xs_subctrl); XS_MUTEX_UNLOCK(xs_status); } void xs_subctrl_prevsong(void) { XS_MUTEX_LOCK(xs_status); if (xs_status.tuneInfo && xs_status.isPlaying) { if (xs_status.currSong > 1) xs_status.currSong--; } XS_MUTEX_UNLOCK(xs_status); xs_subctrl_update(); } void xs_subctrl_nextsong(void) { XS_MUTEX_LOCK(xs_status); if (xs_status.tuneInfo && xs_status.isPlaying) { if (xs_status.currSong < xs_status.tuneInfo->nsubTunes) xs_status.currSong++; } XS_MUTEX_UNLOCK(xs_status); xs_subctrl_update(); } void xs_subctrl_update(void) { GtkAdjustment *tmpAdj; XS_MUTEX_LOCK(xs_status); XS_MUTEX_LOCK(xs_subctrl); /* Check if control window exists, we are currently playing and have a tune */ if (xs_subctrl) { if (xs_status.tuneInfo && xs_status.isPlaying) { tmpAdj = GTK_ADJUSTMENT(xs_subctrl_adj); tmpAdj->value = xs_status.currSong; tmpAdj->lower = 1; tmpAdj->upper = xs_status.tuneInfo->nsubTunes; XS_MUTEX_UNLOCK(xs_status); XS_MUTEX_UNLOCK(xs_subctrl); gtk_adjustment_value_changed(tmpAdj); } else { XS_MUTEX_UNLOCK(xs_status); XS_MUTEX_UNLOCK(xs_subctrl); xs_subctrl_close(); } } else { XS_MUTEX_UNLOCK(xs_subctrl); XS_MUTEX_UNLOCK(xs_status); } xs_fileinfo_update(); } void xs_subctrl_close(void) { XS_MUTEX_LOCK(xs_subctrl); if (xs_subctrl) { gtk_widget_destroy(xs_subctrl); xs_subctrl = NULL; } XS_MUTEX_UNLOCK(xs_subctrl); } gboolean xs_subctrl_keypress(GtkWidget *win, GdkEventKey *ev) { if (ev->keyval == GDK_Escape) xs_subctrl_close(); return FALSE; } void xs_subctrl_open() { GtkWidget *frame25, *hbox15, *subctrl_prev, *subctrl_current, *subctrl_next; XS_MUTEX_LOCK(xs_subctrl); if (!xs_status.tuneInfo || !xs_status.isPlaying || xs_subctrl || (xs_status.tuneInfo->nsubTunes <= 1)) { XS_MUTEX_UNLOCK(xs_subctrl); return; } /* Create the pop-up window */ xs_subctrl = gtk_window_new (GTK_WINDOW_DIALOG); gtk_widget_set_name (xs_subctrl, "xs_subctrl"); gtk_object_set_data (GTK_OBJECT (xs_subctrl), "xs_subctrl", xs_subctrl); gtk_window_set_title(GTK_WINDOW(xs_subctrl), "Subtune Control"); gtk_window_set_position(GTK_WINDOW(xs_subctrl), GTK_WIN_POS_MOUSE); gtk_container_set_border_width(GTK_CONTAINER(xs_subctrl), 0); gtk_window_set_policy(GTK_WINDOW(xs_subctrl), FALSE, FALSE, FALSE); gtk_signal_connect(GTK_OBJECT(xs_subctrl), "destroy", GTK_SIGNAL_FUNC(gtk_widget_destroyed), &xs_subctrl); gtk_signal_connect(GTK_OBJECT(xs_subctrl), "focus_out_event", GTK_SIGNAL_FUNC(xs_subctrl_close), NULL); gtk_widget_realize(xs_subctrl); gdk_window_set_decorations(xs_subctrl->window, 0); /* Create the control widgets */ frame25 = gtk_frame_new (NULL); gtk_container_add (GTK_CONTAINER (xs_subctrl), frame25); gtk_container_set_border_width (GTK_CONTAINER (frame25), 2); gtk_frame_set_shadow_type (GTK_FRAME (frame25), GTK_SHADOW_OUT); hbox15 = gtk_hbox_new (FALSE, 4); gtk_container_add (GTK_CONTAINER (frame25), hbox15); subctrl_prev = gtk_button_new_with_label (" < "); gtk_widget_set_name (subctrl_prev, "subctrl_prev"); gtk_box_pack_start (GTK_BOX (hbox15), subctrl_prev, FALSE, FALSE, 0); xs_subctrl_adj = gtk_adjustment_new (xs_status.currSong, 1, xs_status.tuneInfo->nsubTunes, 1, 1, 0); gtk_signal_connect (GTK_OBJECT (xs_subctrl_adj), "value_changed", GTK_SIGNAL_FUNC (xs_subctrl_setsong), NULL); subctrl_current = gtk_hscale_new (GTK_ADJUSTMENT(xs_subctrl_adj)); gtk_widget_set_name (subctrl_current, "subctrl_current"); gtk_box_pack_start (GTK_BOX (hbox15), subctrl_current, FALSE, TRUE, 0); gtk_scale_set_digits (GTK_SCALE (subctrl_current), 0); gtk_range_set_update_policy (GTK_RANGE (subctrl_current), GTK_UPDATE_DELAYED); gtk_widget_grab_focus (subctrl_current); subctrl_next = gtk_button_new_with_label (" > "); gtk_widget_set_name (subctrl_next, "subctrl_next"); gtk_box_pack_start (GTK_BOX (hbox15), subctrl_next, FALSE, FALSE, 0); gtk_signal_connect (GTK_OBJECT (subctrl_prev), "clicked", GTK_SIGNAL_FUNC (xs_subctrl_prevsong), NULL); gtk_signal_connect (GTK_OBJECT (subctrl_next), "clicked", GTK_SIGNAL_FUNC (xs_subctrl_nextsong), NULL); gtk_signal_connect (GTK_OBJECT (xs_subctrl), "key_press_event", GTK_SIGNAL_FUNC (xs_subctrl_keypress), NULL); gtk_widget_show_all(xs_subctrl); XS_MUTEX_UNLOCK(xs_subctrl); } /* * Set the time-seek position * The playing thread will do the "seeking", which means sub-tune * changing in XMMS-SID's case. iTime argument is time in seconds, * in contrast to milliseconds used in other occasions. * * This function is called whenever position slider is clicked or * other method of seeking is used (keyboard, etc.) */ void xs_seek(gint iTime) { /* Check status */ XS_MUTEX_LOCK(xs_status); if (!xs_status.tuneInfo || !xs_status.isPlaying) { XS_MUTEX_UNLOCK(xs_status); return; } /* Act according to settings */ switch (xs_cfg.subsongControl) { case XS_SSC_SEEK: if (iTime < xs_status.lastTime) { if (xs_status.currSong > 1) xs_status.currSong--; } else if (iTime > xs_status.lastTime) { if (xs_status.currSong < xs_status.tuneInfo->nsubTunes) xs_status.currSong++; } break; case XS_SSC_POPUP: xs_subctrl_open(); break; /* If we have song-position patch, check settings */ #ifdef HAVE_SONG_POSITION case XS_SSC_PATCH: if ((iTime >= 1) && (iTime <= xs_status.tuneInfo->nsubTunes)) xs_status.currSong = iTime; break; #endif } XS_MUTEX_UNLOCK(xs_status); } /* * Return the playing "position/time" * Determine current position/time in song. Used by XMMS to update * the song clock and position slider and MOST importantly to determine * END OF SONG! Return value of -2 means error, XMMS opens an audio * error dialog. -1 means end of song (if one was playing currently). */ gint xs_get_time(void) { /* If errorflag is set, return -2 to signal it to XMMS's idle callback */ XS_MUTEX_LOCK(xs_status); if (xs_status.isError) { XS_MUTEX_UNLOCK(xs_status); return -2; } /* If there is no tune, return -1 */ if (!xs_status.tuneInfo) { XS_MUTEX_UNLOCK(xs_status); return -1; } /* If tune has ended, return -1 */ if (!xs_status.isPlaying) { XS_MUTEX_UNLOCK(xs_status); return -1; } /* Let's see what we do */ switch (xs_cfg.subsongControl) { case XS_SSC_SEEK: xs_status.lastTime = (xs_plugin_ip.output->output_time() / 1000); break; #ifdef HAVE_SONG_POSITION case XS_SSC_PATCH: set_song_position(xs_status.currSong, 1, xs_status.tuneInfo->nsubTunes); break; #endif } XS_MUTEX_UNLOCK(xs_status); /* Return output time reported by audio output plugin */ return xs_plugin_ip.output->output_time(); } /* * Return song information * This function is called by XMMS when initially loading the playlist. * Subsequent changes to information are made by the player thread, * which uses xs_plugin_ip.set_info(); */ void xs_get_song_info(gchar *songFilename, gchar **songTitle, gint *songLength) { t_xs_tuneinfo *pInfo; gint tmpInt; /* Get tune information from emulation engine */ pInfo = xs_status.sidPlayer->plrGetSIDInfo(songFilename); if (!pInfo) return; /* Get sub-tune information, if available */ if ((pInfo->startTune >= 0) && (pInfo->startTune <= pInfo->nsubTunes)) { (*songTitle) = g_strdup(pInfo->subTunes[pInfo->startTune - 1].tuneTitle); tmpInt = pInfo->subTunes[pInfo->startTune - 1].tuneLength; if (tmpInt < 0) (*songLength) = -1; else (*songLength) = (tmpInt * 1000); } /* Free tune information */ xs_tuneinfo_free(pInfo); } /* Allocate a new tune information structure */ t_xs_tuneinfo *xs_tuneinfo_new(gchar *pcFilename, gint nsubTunes, gint startTune, gchar *sidName, gchar *sidComposer, gchar *sidCopyright, gint loadAddr, gint initAddr, gint playAddr, gint dataFileLen) { t_xs_tuneinfo *pResult; pResult = (t_xs_tuneinfo *) g_malloc0(sizeof(t_xs_tuneinfo)); if (!pResult) return NULL; pResult->sidFilename = g_strdup(pcFilename); if (!pResult->sidFilename) { g_free(pResult); return NULL; } pResult->sidName = g_strdup(sidName); pResult->sidComposer = g_strdup(sidComposer); pResult->sidCopyright = g_strdup(sidCopyright); pResult->nsubTunes = nsubTunes; pResult->startTune = startTune; pResult->loadAddr = loadAddr; pResult->initAddr = initAddr; pResult->playAddr = playAddr; pResult->dataFileLen = dataFileLen; return pResult; } /* Free given tune information structure */ void xs_tuneinfo_free(t_xs_tuneinfo *pTune) { gint i; if (!pTune) return; g_free(pTune->sidFilename); pTune->sidFilename = NULL; g_free(pTune->sidName); pTune->sidName = NULL; g_free(pTune->sidComposer); pTune->sidComposer = NULL; g_free(pTune->sidCopyright); pTune->sidCopyright = NULL; for (i = 0; i < pTune->nsubTunes; i++) { if (pTune->subTunes[i].tuneTitle) { g_free(pTune->subTunes[i].tuneTitle); pTune->subTunes[i].tuneTitle = NULL; } } g_free(pTune); }