/*
* Initialization functions
*/
void xs_reinit(void)
{
XSDEBUG("xs_reinit() thread = %p\n", g_thread_self());
XS_MUTEX_LOCK(xs_status);
XS_MUTEX_LOCK(xs_cfg);
/* Initialize status and sanitize configuration */
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;
if (xs_cfg.audioChannels != XS_CHN_MONO)
xs_cfg.oversampleEnable = FALSE;
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 */
xs_init_emu_engine(&xs_cfg.playerEngine, &xs_status);
/* 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;
XS_MUTEX_UNLOCK(xs_status);
XS_MUTEX_UNLOCK(xs_cfg);
/* Initialize song-length database */
xs_songlen_close();
if (xs_cfg.songlenDBEnable && (xs_songlen_init() != 0)) {
xs_error("Error initializing song-length database!\n");
}
/* Initialize STIL database */
xs_stil_close();
if (xs_cfg.stilDBEnable && (xs_stil_init() != 0)) {
xs_error("Error initializing STIL database!\n");
}
}
Tuple * xs_probe_for_tuple(const gchar *filename, xs_file_t *fd)
{
Tuple *tuple;
xs_tuneinfo_t *info;
gint tune = -1;
if (xs_status.sidPlayer == NULL || filename == NULL)
return NULL;
XS_MUTEX_LOCK(xs_status);
if (!xs_status.sidPlayer->plrProbe(fd)) {
XS_MUTEX_UNLOCK(xs_status);
return NULL;
}
XS_MUTEX_UNLOCK(xs_status);
/* Get information from URL */
tuple = tuple_new_from_filename (filename);
tune = tuple_get_int (tuple, FIELD_SUBSONG_NUM, NULL);
/* Get tune information from emulation engine */
XS_MUTEX_LOCK(xs_status);
info = xs_status.sidPlayer->plrGetSIDInfo (filename);
XS_MUTEX_UNLOCK(xs_status);
if (info == NULL)
return tuple;
xs_get_song_tuple_info(tuple, info, tune);
if (xs_cfg.subAutoEnable && info->nsubTunes > 1 && ! tune)
xs_fill_subtunes(tuple, info);
xs_tuneinfo_free(info);
return tuple;
}
/*
* 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(InputPlayback *pb)
{
XSDEBUG("stop requested\n");
/* Lock xs_status and stop playing thread */
XS_MUTEX_LOCK(xs_status);
if (! xs_status.stop_flag)
{
XSDEBUG("stopping...\n");
xs_status.stop_flag = TRUE;
pb->output->abort_write ();
}
XS_MUTEX_UNLOCK (xs_status);
XSDEBUG("ok\n");
}
/* Reset/initialize the configuration
*/
void xs_init_configuration(void)
{
/* Lock configuration mutex */
XSDEBUG("initializing configuration ...\n");
XS_MUTEX_LOCK(xs_cfg);
memset(&xs_cfg, 0, sizeof(xs_cfg));
/* Initialize values with sensible defaults */
xs_cfg.audioBitsPerSample = XS_RES_16BIT;
xs_cfg.audioChannels = XS_CHN_MONO;
xs_cfg.audioFrequency = XS_AUDIO_FREQ;
xs_cfg.mos8580 = FALSE;
xs_cfg.forceModel = FALSE;
/* Filter values */
xs_cfg.emulateFilters = TRUE;
xs_cfg.sid1Filter.fs = XS_SIDPLAY1_FS;
xs_cfg.sid1Filter.fm = XS_SIDPLAY1_FM;
xs_cfg.sid1Filter.ft = XS_SIDPLAY1_FT;
#ifdef HAVE_SIDPLAY2
xs_cfg.playerEngine = XS_ENG_SIDPLAY2;
xs_cfg.memoryMode = XS_MPU_REAL;
#else
#ifdef HAVE_SIDPLAY1
xs_cfg.playerEngine = XS_ENG_SIDPLAY1;
xs_cfg.memoryMode = XS_MPU_BANK_SWITCHING;
#else
#error This should not happen! No emulator engines configured in!
#endif
#endif
xs_cfg.clockSpeed = XS_CLOCK_PAL;
xs_cfg.forceSpeed = FALSE;
xs_cfg.sid2OptLevel = 0;
xs_cfg.sid2NFilterPresets = 0;
#ifdef HAVE_RESID_BUILDER
xs_cfg.sid2Builder = XS_BLD_RESID;
#else
#ifdef HAVE_HARDSID_BUILDER
xs_cfg.sid2Builder = XS_BLD_HARDSID;
#else
#ifdef HAVE_SIDPLAY2
#error This should not happen! No supported SIDPlay2 builders configured in!
#endif
#endif
#endif
xs_cfg.oversampleEnable = FALSE;
xs_cfg.oversampleFactor = XS_MIN_OVERSAMPLE;
xs_cfg.playMaxTimeEnable = FALSE;
xs_cfg.playMaxTimeUnknown = FALSE;
xs_cfg.playMaxTime = 150;
xs_cfg.playMinTimeEnable = FALSE;
xs_cfg.playMinTime = 15;
xs_cfg.songlenDBEnable = FALSE;
xs_pstrcpy(&xs_cfg.songlenDBPath, "~/C64Music/DOCUMENTS/Songlengths.txt");
xs_cfg.stilDBEnable = FALSE;
xs_pstrcpy(&xs_cfg.stilDBPath, "~/C64Music/DOCUMENTS/STIL.txt");
xs_pstrcpy(&xs_cfg.hvscPath, "~/C64Music");
#if defined(HAVE_SONG_POSITION) && !defined(AUDACIOUS_PLUGIN)
xs_cfg.subsongControl = XS_SSC_PATCH;
#else
xs_cfg.subsongControl = XS_SSC_POPUP;
#endif
xs_cfg.detectMagic = FALSE;
#ifndef HAVE_XMMSEXTRA
xs_cfg.titleOverride = TRUE;
#endif
#ifdef AUDACIOUS_PLUGIN
xs_pstrcpy(&xs_cfg.titleFormat, "${artist} - ${title} (${copyright}) <${subsong-id}/${subsong-num}> [${sid-model}/${sid-speed}]");
#else
xs_pstrcpy(&xs_cfg.titleFormat, "%p - %t (%c) <%n/%N> [%m/%C]");
#endif
xs_cfg.subAutoEnable = FALSE;
xs_cfg.subAutoMinOnly = TRUE;
xs_cfg.subAutoMinTime = 15;
/* Unlock the configuration */
XS_MUTEX_UNLOCK(xs_cfg);
}
/*
* Pause/unpause the playing
*/
void xs_pause (InputPlayback * pb, gboolean pauseState)
{
XS_MUTEX_LOCK(xs_status);
pb->output->pause(pauseState);
XS_MUTEX_UNLOCK(xs_status);
}
/*
* Start playing the given file
*/
gboolean xs_play_file(InputPlayback *pb, const gchar *filename, VFSFile *file, gint start_time, gint stop_time, gboolean pause)
{
xs_tuneinfo_t *tmpTune;
gint audioBufSize, bufRemaining, tmpLength, subTune = -1;
gchar *audioBuffer = NULL, *oversampleBuffer = NULL;
Tuple *tmpTuple;
assert(pb);
assert(xs_status.sidPlayer != NULL);
uri_parse (filename, NULL, NULL, NULL, & subTune);
/* Get tune information */
XS_MUTEX_LOCK(xs_status);
if (! (xs_status.tuneInfo = xs_status.sidPlayer->plrGetSIDInfo (filename)))
{
XS_MUTEX_UNLOCK(xs_status);
return FALSE;
}
/* Initialize the tune */
if (! xs_status.sidPlayer->plrLoadSID (& xs_status, filename))
{
XS_MUTEX_UNLOCK(xs_status);
xs_tuneinfo_free(xs_status.tuneInfo);
xs_status.tuneInfo = NULL;
return FALSE;
}
gboolean error = FALSE;
/* Set general status information */
tmpTune = xs_status.tuneInfo;
if (subTune < 1 || subTune > xs_status.tuneInfo->nsubTunes)
xs_status.currSong = xs_status.tuneInfo->startTune;
else
xs_status.currSong = subTune;
XSDEBUG("subtune #%i selected (#%d wanted), initializing...\n", xs_status.currSong, subTune);
gint channels = (xs_status.audioChannels == XS_CHN_AUTOPAN) ? 2 :
xs_status.audioChannels;
/* Allocate audio buffer */
audioBufSize = xs_status.audioFrequency * channels *
xs_status.audioBitsPerSample / (8 * 4);
if (audioBufSize < 512) audioBufSize = 512;
audioBuffer = (gchar *) g_malloc(audioBufSize);
if (audioBuffer == NULL) {
xs_error("Couldn't allocate memory for audio data buffer!\n");
XS_MUTEX_UNLOCK(xs_status);
goto xs_err_exit;
}
if (xs_status.oversampleEnable) {
oversampleBuffer = (gchar *) g_malloc(audioBufSize * xs_status.oversampleFactor);
if (oversampleBuffer == NULL) {
xs_error("Couldn't allocate memory for audio oversampling buffer!\n");
XS_MUTEX_UNLOCK(xs_status);
goto xs_err_exit;
}
}
/* Check minimum playtime */
tmpLength = tmpTune->subTunes[xs_status.currSong - 1].tuneLength;
if (xs_cfg.playMinTimeEnable && (tmpLength >= 0)) {
if (tmpLength < xs_cfg.playMinTime)
tmpLength = xs_cfg.playMinTime;
}
/* Initialize song */
if (!xs_status.sidPlayer->plrInitSong(&xs_status)) {
xs_error("Couldn't initialize SID-tune '%s' (sub-tune #%i)!\n",
tmpTune->sidFilename, xs_status.currSong);
XS_MUTEX_UNLOCK(xs_status);
goto xs_err_exit;
}
/* Open the audio output */
XSDEBUG("open audio output (%d, %d, %d)\n",
xs_status.audioFormat, xs_status.audioFrequency, channels);
if (!pb->output->open_audio(xs_status.audioFormat, xs_status.audioFrequency,
channels))
{
xs_error("Couldn't open audio output (fmt=%x, freq=%i, nchan=%i)!\n",
xs_status.audioFormat,
xs_status.audioFrequency,
channels);
XS_MUTEX_UNLOCK(xs_status);
goto xs_err_exit;
}
/* Set song information for current subtune */
XSDEBUG("foobar #1\n");
xs_status.sidPlayer->plrUpdateSIDInfo(&xs_status);
tmpTuple = tuple_new_from_filename(tmpTune->sidFilename);
xs_get_song_tuple_info(tmpTuple, tmpTune, xs_status.currSong);
xs_status.stop_flag = FALSE;
XS_MUTEX_UNLOCK(xs_status);
pb->set_tuple(pb, tmpTuple);
pb->set_params (pb, -1, xs_status.audioFrequency, channels);
pb->set_pb_ready(pb);
XSDEBUG("playing\n");
while (1)
{
XS_MUTEX_LOCK (xs_status);
if (xs_status.stop_flag)
{
XS_MUTEX_UNLOCK (xs_status);
break;
}
XS_MUTEX_UNLOCK (xs_status);
/* Render audio data */
if (xs_status.oversampleEnable) {
/* Perform oversampled rendering */
bufRemaining = xs_status.sidPlayer->plrFillBuffer(
&xs_status,
oversampleBuffer,
(audioBufSize * xs_status.oversampleFactor));
bufRemaining /= xs_status.oversampleFactor;
/* Execute rate-conversion with filtering */
if (xs_filter_rateconv(audioBuffer, oversampleBuffer,
xs_status.audioFormat, xs_status.oversampleFactor, bufRemaining) < 0) {
xs_error("Oversampling rate-conversion pass failed.\n");
goto xs_err_exit;
}
} else {
bufRemaining = xs_status.sidPlayer->plrFillBuffer(
&xs_status, audioBuffer, audioBufSize);
}
pb->output->write_audio (audioBuffer, bufRemaining);
/* Check if we have played enough */
if (xs_cfg.playMaxTimeEnable) {
if (xs_cfg.playMaxTimeUnknown) {
if (tmpLength < 0 &&
pb->output->written_time() >= xs_cfg.playMaxTime * 1000)
break;
} else {
if (pb->output->written_time() >= xs_cfg.playMaxTime * 1000)
break;
}
}
if (tmpLength >= 0) {
if (pb->output->written_time() >= tmpLength * 1000)
break;
}
}
DONE:
XSDEBUG("out of playing loop\n");
g_free(audioBuffer);
g_free(oversampleBuffer);
/* 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.stop_flag = TRUE;
/* Free tune information */
xs_status.sidPlayer->plrDeleteSID(&xs_status);
xs_tuneinfo_free(xs_status.tuneInfo);
xs_status.tuneInfo = NULL;
XS_MUTEX_UNLOCK(xs_status);
/* Exit the playing thread */
XSDEBUG("exiting thread, bye.\n");
return ! error;
xs_err_exit:
error = TRUE;
goto DONE;
}
