void
fluid_rvoice_event_dispatch(fluid_rvoice_event_t* event)
{
EVENTFUNC_PTR(fluid_rvoice_mixer_add_voice, fluid_rvoice_mixer_t*, fluid_rvoice_t*);
EVENTFUNC_I1(fluid_rvoice_noteoff, fluid_rvoice_t*);
EVENTFUNC_0(fluid_rvoice_voiceoff, fluid_rvoice_t*);
EVENTFUNC_0(fluid_rvoice_reset, fluid_rvoice_t*);
EVENTFUNC_ALL(fluid_adsr_env_set_data, fluid_adsr_env_t*);
EVENTFUNC_I1(fluid_lfo_set_delay, fluid_lfo_t*);
EVENTFUNC_R1(fluid_lfo_set_incr, fluid_lfo_t*);
EVENTFUNC_R1(fluid_iir_filter_set_fres, fluid_iir_filter_t*);
EVENTFUNC_R1(fluid_iir_filter_set_q_dB, fluid_iir_filter_t*);
EVENTFUNC_IR(fluid_rvoice_buffers_set_mapping, fluid_rvoice_buffers_t*);
EVENTFUNC_IR(fluid_rvoice_buffers_set_amp, fluid_rvoice_buffers_t*);
EVENTFUNC_R1(fluid_rvoice_set_modenv_to_pitch, fluid_rvoice_t*);
EVENTFUNC_R1(fluid_rvoice_set_output_rate, fluid_rvoice_t*);
EVENTFUNC_R1(fluid_rvoice_set_root_pitch_hz, fluid_rvoice_t*);
EVENTFUNC_R1(fluid_rvoice_set_synth_gain, fluid_rvoice_t*);
EVENTFUNC_R1(fluid_rvoice_set_pitch, fluid_rvoice_t*);
EVENTFUNC_R1(fluid_rvoice_set_attenuation, fluid_rvoice_t*);
EVENTFUNC_R1(fluid_rvoice_set_min_attenuation_cB, fluid_rvoice_t*);
EVENTFUNC_R1(fluid_rvoice_set_viblfo_to_pitch, fluid_rvoice_t*);
EVENTFUNC_R1(fluid_rvoice_set_modlfo_to_pitch, fluid_rvoice_t*);
EVENTFUNC_R1(fluid_rvoice_set_modlfo_to_vol, fluid_rvoice_t*);
EVENTFUNC_R1(fluid_rvoice_set_modlfo_to_fc, fluid_rvoice_t*);
EVENTFUNC_R1(fluid_rvoice_set_modenv_to_fc, fluid_rvoice_t*);
EVENTFUNC_R1(fluid_rvoice_set_modenv_to_pitch, fluid_rvoice_t*);
EVENTFUNC_I1(fluid_rvoice_set_interp_method, fluid_rvoice_t*);
EVENTFUNC_I1(fluid_rvoice_set_start, fluid_rvoice_t*);
EVENTFUNC_I1(fluid_rvoice_set_end, fluid_rvoice_t*);
EVENTFUNC_I1(fluid_rvoice_set_loopstart, fluid_rvoice_t*);
EVENTFUNC_I1(fluid_rvoice_set_loopend, fluid_rvoice_t*);
EVENTFUNC_I1(fluid_rvoice_set_samplemode, fluid_rvoice_t*);
EVENTFUNC_PTR(fluid_rvoice_set_sample, fluid_rvoice_t*, fluid_sample_t*);
EVENTFUNC_R1(fluid_rvoice_mixer_set_samplerate, fluid_rvoice_mixer_t*);
EVENTFUNC_I1(fluid_rvoice_mixer_set_polyphony, fluid_rvoice_mixer_t*);
EVENTFUNC_I1(fluid_rvoice_mixer_set_reverb_enabled, fluid_rvoice_mixer_t*);
EVENTFUNC_I1(fluid_rvoice_mixer_set_chorus_enabled, fluid_rvoice_mixer_t*);
EVENTFUNC_I1(fluid_rvoice_mixer_set_mix_fx, fluid_rvoice_mixer_t*);
EVENTFUNC_0(fluid_rvoice_mixer_reset_fx, fluid_rvoice_mixer_t*);
EVENTFUNC_0(fluid_rvoice_mixer_reset_reverb, fluid_rvoice_mixer_t*);
EVENTFUNC_0(fluid_rvoice_mixer_reset_chorus, fluid_rvoice_mixer_t*);
EVENTFUNC_IR(fluid_rvoice_mixer_set_threads, fluid_rvoice_mixer_t*);
EVENTFUNC_ALL(fluid_rvoice_mixer_set_chorus_params, fluid_rvoice_mixer_t*);
EVENTFUNC_R4(fluid_rvoice_mixer_set_reverb_params, fluid_rvoice_mixer_t*);
FLUID_LOG(FLUID_ERR, "fluid_rvoice_event_dispatch: Unknown method %p to dispatch!", event->method);
}
void *
fluid_sndio_midi_run(void *addr)
{
int n, i;
fluid_midi_event_t* evt;
fluid_sndio_midi_driver_t *dev = (fluid_sndio_midi_driver_t *)addr;
#define MIDI_BUFLEN (3125 / 10)
unsigned char buffer[MIDI_BUFLEN];
/* make sure the other threads can cancel this thread any time */
if (pthread_setcancelstate(PTHREAD_CANCEL_ENABLE, NULL)) {
FLUID_LOG(FLUID_ERR, "Failed to set the cancel state of the midi thread");
pthread_exit(NULL);
}
if (pthread_setcanceltype(PTHREAD_CANCEL_ASYNCHRONOUS, NULL)) {
FLUID_LOG(FLUID_ERR, "Failed to set the cancel state of the midi thread");
pthread_exit(NULL);
}
/* go into a loop until someone tells us to stop */
dev->status = FLUID_MIDI_LISTENING;
while (dev->status == FLUID_MIDI_LISTENING) {
/* read new data */
n = mio_read(dev->hdl, buffer, MIDI_BUFLEN);
if (n == 0 && mio_eof(dev->hdl)) {
FLUID_LOG(FLUID_ERR, "Failed to read the midi input");
dev->status = FLUID_MIDI_DONE;
}
/* let the parser convert the data into events */
for (i = 0; i < n; i++) {
evt = fluid_midi_parser_parse(dev->parser, buffer[i]);
if (evt != NULL) {
/* send the event to the next link in the chain */
(*dev->driver.handler)(dev->driver.data, evt);
}
}
}
pthread_exit(NULL);
}
void
fluid_portaudio_driver_settings (fluid_settings_t *settings)
{
const PaDeviceInfo *deviceInfo;
int numDevices;
PaError err;
int i;
fluid_settings_register_str (settings, "audio.portaudio.device", PORTAUDIO_DEFAULT_DEVICE, 0, NULL, NULL);
fluid_settings_add_option (settings, "audio.portaudio.device", PORTAUDIO_DEFAULT_DEVICE);
err = Pa_Initialize();
if (err != paNoError)
{
FLUID_LOG (FLUID_ERR, "Error initializing PortAudio driver: %s",
Pa_GetErrorText (err));
return;
}
numDevices = Pa_GetDeviceCount();
if (numDevices < 0)
{
FLUID_LOG (FLUID_ERR, "PortAudio returned unexpected device count %d", numDevices);
return;
}
for (i = 0; i < numDevices; i++)
{
deviceInfo = Pa_GetDeviceInfo (i);
if ( deviceInfo->maxOutputChannels >= 2 )
fluid_settings_add_option (settings, "audio.portaudio.device",
deviceInfo->name);
}
/* done with PortAudio for now, may get reopened later */
err = Pa_Terminate();
if (err != paNoError)
printf ("PortAudio termination error: %s\n", Pa_GetErrorText (err) );
}
/*
* new_fluid_midi_parser
*/
fluid_midi_parser_t* new_fluid_midi_parser()
{
fluid_midi_parser_t* parser;
parser = FLUID_NEW(fluid_midi_parser_t);
if (parser == NULL) {
FLUID_LOG(FLUID_ERR, "Out of memory");
return NULL;
}
parser->status = 0; /* As long as the status is 0, the parser won't do anything -> no need to initialize all the fields. */
return parser;
}
void fluid_profiling_print(void)
{
int i;
printf("fluid_profiling_print\n");
FLUID_LOG(FLUID_INFO, "Estimated times: min/avg/max (micro seconds)");
for (i = 0; i < FLUID_PROF_LAST; i++) {
if (fluid_profile_data[i].count > 0) {
FLUID_LOG(FLUID_INFO, "%s: %.3f/%.3f/%.3f",
fluid_profile_data[i].description,
fluid_profile_data[i].min,
fluid_profile_data[i].total / fluid_profile_data[i].count,
fluid_profile_data[i].max);
} else {
FLUID_LOG(FLUID_DBG, "%s: no profiling available", fluid_profile_data[i].description);
}
}
}
int fluid_samplecache_load(SFData *sf,
unsigned int sample_start, unsigned int sample_end, int sample_type,
int try_mlock, short **sample_data, char **sample_data24)
{
fluid_samplecache_entry_t *entry;
int ret;
fluid_mutex_lock(samplecache_mutex);
entry = get_samplecache_entry(sf, sample_start, sample_end, sample_type);
if (entry == NULL)
{
entry = new_samplecache_entry(sf, sample_start, sample_end, sample_type);
if (entry == NULL)
{
ret = -1;
goto unlock_exit;
}
samplecache_list = fluid_list_prepend(samplecache_list, entry);
}
if (try_mlock && !entry->mlocked)
{
/* Lock the memory to disable paging. It's okay if this fails. It
* probably means that the user doesn't have the required permission. */
if (fluid_mlock(entry->sample_data, entry->sample_count * sizeof(short)) == 0)
{
if (entry->sample_data24 != NULL)
{
entry->mlocked = (fluid_mlock(entry->sample_data24, entry->sample_count) == 0);
}
else
{
entry->mlocked = TRUE;
}
if (!entry->mlocked)
{
fluid_munlock(entry->sample_data, entry->sample_count * sizeof(short));
FLUID_LOG(FLUID_WARN, "Failed to pin the sample data to RAM; swapping is possible.");
}
}
}
entry->num_references++;
*sample_data = entry->sample_data;
*sample_data24 = entry->sample_data24;
ret = entry->sample_count;
unlock_exit:
fluid_mutex_unlock(samplecache_mutex);
return ret;
}
/*
* fluid_midi_file_read
*/
int fluid_midi_file_read(fluid_midi_file* mf, void* buf, int len)
{
int num = FLUID_FREAD(buf, 1, len, mf->fp);
mf->trackpos += num;
#if DEBUG
if (num != len) {
FLUID_LOG(FLUID_DBG, "Coulnd't read the requested number of bytes");
}
#endif
return (num != len)? FLUID_FAILED : FLUID_OK;
}
/**
* Set the tempo of a MIDI player.
* @param player MIDI player instance
* @param tempo Tempo to set playback speed to (in microseconds per quarter note, as per MIDI file spec)
* @return Always returns #FLUID_OK
*/
int fluid_player_set_midi_tempo(fluid_player_t* player, int tempo)
{
player->miditempo = tempo;
player->deltatime = (double) tempo / player->division / 1000.0; /* in milliseconds */
player->start_msec = player->cur_msec;
player->start_ticks = player->cur_ticks;
FLUID_LOG(FLUID_DBG,"tempo=%d, tick time=%f msec, cur time=%d msec, cur tick=%d",
tempo, player->deltatime, player->cur_msec, player->cur_ticks);
return FLUID_OK;
}
/**
* Create a new thread.
* @param func Function to execute in new thread context
* @param data User defined data to pass to func
* @param prio_level Priority level. If greater than 0 then high priority scheduling will
* be used, with the given priority level (used by pthreads only). 0 uses normal scheduling.
* @param detach If TRUE, 'join' does not work and the thread destroys itself when finished.
* @return New thread pointer or NULL on error
*/
fluid_thread_t *
new_fluid_thread (fluid_thread_func_t func, void *data, int prio_level, int detach)
{
GThread *thread;
fluid_thread_info_t *info;
GError *err = NULL;
g_return_val_if_fail (func != NULL, NULL);
/* Make sure g_thread_init has been called.
* FIXME - Probably not a good idea in a shared library,
* but what can we do *and* remain backwards compatible? */
if (!g_thread_supported ()) g_thread_init (NULL);
if (prio_level > 0)
{
info = FLUID_NEW (fluid_thread_info_t);
if (!info)
{
FLUID_LOG(FLUID_ERR, "Out of memory");
return NULL;
}
info->func = func;
info->data = data;
info->prio_level = prio_level;
thread = g_thread_create (fluid_thread_high_prio, info, detach == FALSE, &err);
}
else thread = g_thread_create ((GThreadFunc)func, data, detach == FALSE, &err);
if (!thread)
{
FLUID_LOG(FLUID_ERR, "Failed to create the thread: %s",
fluid_gerror_message (err));
g_clear_error (&err);
}
return thread;
}
/*
* new_fluid_sndmgr_audio_driver2
*
* This implementation used the audio_func float format, with
* conversion from float to 16bits in the driver.
*/
fluid_audio_driver_t*
new_fluid_sndmgr_audio_driver2(fluid_settings_t* settings, fluid_audio_func_t func, void* data)
{
fluid_sndmgr_audio_driver_t* dev = NULL;
int period_size, periods, buffer_size;
/* compute buffer size */
fluid_settings_getint(settings, "audio.period-size", &period_size);
fluid_settings_getint(settings, "audio.periods", &periods);
buffer_size = period_size*periods;
/* allocated dev */
dev = FLUID_NEW(fluid_sndmgr_audio_driver_t);
if (dev == NULL) {
FLUID_LOG(FLUID_PANIC, "Out of memory");
return NULL;
}
FLUID_MEMSET(dev, 0, sizeof(fluid_sndmgr_audio_driver_t));
/* allocate the conversion buffers */
dev->convbuffers[0] = FLUID_ARRAY(float, buffer_size);
dev->convbuffers[1] = FLUID_ARRAY(float, buffer_size);
if ((dev->convbuffers[0] == NULL) || (dev->convbuffers[1] == NULL)) {
FLUID_LOG(FLUID_PANIC, "Out of memory");
goto error_recovery;
}
dev->callback_is_audio_func = true;
dev->data = data;
dev->callback = func;
if (start_fluid_sndmgr_audio_driver(settings, dev, buffer_size) != 0) {
goto error_recovery;
}
return (fluid_audio_driver_t*)dev;
error_recovery:
delete_fluid_sndmgr_audio_driver((fluid_audio_driver_t*)dev);
return NULL;
}
fluid_audio_driver_t*
new_fluid_file_audio_driver(fluid_settings_t* settings,
fluid_synth_t* synth)
{
fluid_file_audio_driver_t* dev;
int msec;
dev = FLUID_NEW(fluid_file_audio_driver_t);
if (dev == NULL) {
FLUID_LOG(FLUID_ERR, "Out of memory");
return NULL;
}
FLUID_MEMSET(dev, 0, sizeof(fluid_file_audio_driver_t));
fluid_settings_getint(settings, "audio.period-size", &dev->period_size);
fluid_settings_getnum(settings, "synth.sample-rate", &dev->sample_rate);
dev->data = synth;
dev->callback = (fluid_audio_func_t) fluid_synth_process;
dev->samples = 0;
dev->renderer = new_fluid_file_renderer(synth);
if (dev->renderer == NULL)
goto error_recovery;
msec = (int) (0.5 + dev->period_size / dev->sample_rate * 1000.0);
dev->timer = new_fluid_timer(msec, fluid_file_audio_run_s16, (void*) dev, TRUE, FALSE, TRUE);
if (dev->timer == NULL) {
FLUID_LOG(FLUID_PANIC, "Couldn't create the audio thread.");
goto error_recovery;
}
return (fluid_audio_driver_t*) dev;
error_recovery:
delete_fluid_file_audio_driver((fluid_audio_driver_t*) dev);
return NULL;
}
/*
* fluid_hashtable_insert_internal:
* @hashtable: our #fluid_hashtable_t
* @key: the key to insert
* @value: the value to insert
* @keep_new_key: if %TRUE and this key already exists in the table
* then call the destroy notify function on the old key. If %FALSE
* then call the destroy notify function on the new key.
*
* Implements the common logic for the fluid_hashtable_insert() and
* fluid_hashtable_replace() functions.
*
* Do a lookup of @key. If it is found, replace it with the new
* @value (and perhaps the new @key). If it is not found, create a
* new node.
*/
static void
fluid_hashtable_insert_internal (fluid_hashtable_t *hashtable, void *key,
void *value, int keep_new_key)
{
fluid_hashnode_t **node_ptr, *node;
unsigned int key_hash;
fluid_return_if_fail (hashtable != NULL);
fluid_return_if_fail (hashtable->ref_count > 0);
node_ptr = fluid_hashtable_lookup_node (hashtable, key, &key_hash);
if ((node = *node_ptr))
{
if (keep_new_key)
{
if (hashtable->key_destroy_func)
hashtable->key_destroy_func (node->key);
node->key = key;
}
else
{
if (hashtable->key_destroy_func)
hashtable->key_destroy_func (key);
}
if (hashtable->value_destroy_func)
hashtable->value_destroy_func (node->value);
node->value = value;
}
else
{
node = FLUID_NEW (fluid_hashnode_t);
if (!node)
{
FLUID_LOG (FLUID_ERR, "Out of memory");
return;
}
node->key = key;
node->value = value;
node->key_hash = key_hash;
node->next = NULL;
*node_ptr = node;
hashtable->nnodes++;
fluid_hashtable_maybe_resize (hashtable);
}
}
/*
* fluid_midishare_open_appl
*/
static int fluid_midishare_open_appl (fluid_midishare_midi_driver_t* dev)
{
/* register to MidiShare */
#if defined(MACINTOSH) && defined(MACOS9)
dev->refnum = MidiOpen(MSHDriverName);
if (dev->refnum < 0) {
FLUID_LOG(FLUID_ERR, "Can not open MidiShare Driver client");
return 0;
}
dev->upp_alarm_ptr = NewRcvAlarmPtr(fluid_midishare_midi_driver_receive);
dev->upp_task_ptr = NewTaskPtr(fluid_midishare_keyoff_task);
MidiSetRcvAlarm(dev->refnum, dev->upp_alarm_ptr);
#else
dev->refnum = MidiOpen(MSHDriverName);
if (dev->refnum < 0) {
FLUID_LOG(FLUID_ERR, "Can not open MidiShare Driver client");
return 0;
}
MidiSetRcvAlarm(dev->refnum, fluid_midishare_midi_driver_receive);
MidiConnect(0,dev->refnum,true);
#endif
return 1;
}
/* Duplicate a tuning */
fluid_tuning_t *
fluid_tuning_duplicate (fluid_tuning_t *tuning)
{
fluid_tuning_t *new_tuning;
int i;
new_tuning = FLUID_NEW (fluid_tuning_t);
if (!new_tuning) {
FLUID_LOG (FLUID_PANIC, "Out of memory");
return NULL;
}
if (tuning->name)
{
new_tuning->name = FLUID_STRDUP (tuning->name);
if (!new_tuning->name)
{
FLUID_FREE (new_tuning);
FLUID_LOG (FLUID_PANIC, "Out of memory");
return NULL;
}
}
else new_tuning->name = NULL;
new_tuning->bank = tuning->bank;
new_tuning->prog = tuning->prog;
for (i = 0; i < 128; i++)
new_tuning->pitch[i] = tuning->pitch[i];
new_tuning->refcount = 1; /* Start with a refcount of 1 */
return new_tuning;
}
/*
* fluid_midi_file_skip
*/
int
fluid_midi_file_skip (fluid_midi_file *mf, int skip)
{
int new_pos = mf->buf_pos + skip;
/* Mimic the behaviour of fseek: Error to seek past the start of file, but
* OK to seek past end (this just puts it into the EOF state). */
if (new_pos < 0) {
FLUID_LOG(FLUID_ERR, "Failed to seek position in file");
return FLUID_FAILED;
}
/* Clear the EOF flag, even if moved past the end of the file (this is
* consistent with the behaviour of fseek). */
mf->eof = FALSE;
mf->buf_pos = new_pos;
return FLUID_OK;
}
/*
* fluid_player_callback
*/
int
fluid_player_callback(void *data, unsigned int msec)
{
int i;
int loadnextfile;
int status = FLUID_PLAYER_DONE;
fluid_player_t *player;
fluid_synth_t *synth;
player = (fluid_player_t *) data;
synth = player->synth;
loadnextfile = player->currentfile == NULL ? 1 : 0;
do {
if (loadnextfile) {
loadnextfile = 0;
fluid_player_playlist_load(player, msec);
if (player->currentfile == NULL) {
return 0;
}
}
player->cur_msec = msec;
player->cur_ticks = (player->start_ticks
+ (int) ((double) (player->cur_msec - player->start_msec)
/ player->deltatime));
for (i = 0; i < player->ntracks; i++) {
if (!fluid_track_eot(player->track[i])) {
status = FLUID_PLAYER_PLAYING;
if (fluid_track_send_events(player->track[i], synth, player,
player->cur_ticks) != FLUID_OK) {
/* */
}
}
}
if (status == FLUID_PLAYER_DONE) {
FLUID_LOG(FLUID_DBG, "%s: %d: Duration=%.3f sec", __FILE__,
__LINE__, (msec - player->begin_msec) / 1000.0);
loadnextfile = 1;
}
} while (loadnextfile);
player->status = status;
return 1;
}
int fluid_samplecache_unload(const short *sample_data)
{
fluid_list_t *entry_list;
fluid_samplecache_entry_t *entry;
int ret;
fluid_mutex_lock(samplecache_mutex);
entry_list = samplecache_list;
while (entry_list)
{
entry = (fluid_samplecache_entry_t *)fluid_list_get(entry_list);
if (sample_data == entry->sample_data)
{
entry->num_references--;
if (entry->num_references == 0)
{
if (entry->mlocked)
{
fluid_munlock(entry->sample_data, entry->sample_count * sizeof(short));
if (entry->sample_data24 != NULL)
{
fluid_munlock(entry->sample_data24, entry->sample_count);
}
}
samplecache_list = fluid_list_remove(samplecache_list, entry);
delete_samplecache_entry(entry);
}
ret = FLUID_OK;
goto unlock_exit;
}
entry_list = fluid_list_next(entry_list);
}
FLUID_LOG(FLUID_ERR, "Trying to free sample data not found in cache.");
ret = FLUID_FAILED;
unlock_exit:
fluid_mutex_unlock(samplecache_mutex);
return ret;
}
/**
* Create a MIDI event structure.
* @return New MIDI event structure or NULL when out of memory.
*/
fluid_midi_event_t* new_fluid_midi_event()
{
fluid_midi_event_t* evt;
evt = FLUID_NEW(fluid_midi_event_t);
if (evt == NULL) {
FLUID_LOG(FLUID_ERR, "Out of memory");
return NULL;
}
evt->dtime = 0;
evt->type = 0;
evt->channel = 0;
evt->param1 = 0;
evt->param2 = 0;
evt->next = NULL;
evt->paramptr = NULL;
return evt;
}
/**
* Add a MIDI file to a player queue.
* @param player MIDI player instance
* @param midifile File name of the MIDI file to add
* @return #FLUID_OK or #FLUID_FAILED
*/
int
fluid_player_add(fluid_player_t *player, const char *midifile)
{
fluid_playlist_item *pi = FLUID_MALLOC(sizeof(fluid_playlist_item));
char* f = FLUID_STRDUP(midifile);
if (!pi || !f) {
FLUID_FREE(pi);
FLUID_FREE(f);
FLUID_LOG(FLUID_PANIC, "Out of memory");
return FLUID_FAILED;
}
pi->filename = f;
pi->buffer = NULL;
pi->buffer_len = 0;
player->playlist = fluid_list_append(player->playlist, pi);
return FLUID_OK;
}
/** returns 1 if the value has been register correctly, zero
otherwise. */
int
fluid_settings_register_int(fluid_settings_t* settings, char* name, int def,
int min, int max, int hints,
fluid_int_update_t fun, void* data)
{
fluid_setting_node_t *node;
int retval;
fluid_return_val_if_fail (settings != NULL, 0);
fluid_return_val_if_fail (name != NULL, 0);
/* For now, all integer settings are bounded below and above */
hints |= FLUID_HINT_BOUNDED_BELOW | FLUID_HINT_BOUNDED_ABOVE;
fluid_rec_mutex_lock (settings->mutex);
if (!fluid_settings_get(settings, name, &node)) {
/* insert a new setting */
fluid_int_setting_t* setting;
setting = new_fluid_int_setting(min, max, def, hints, fun, data);
retval = fluid_settings_set(settings, name, setting);
if (retval != 1) delete_fluid_int_setting (setting);
} else {
if (node->type == FLUID_INT_TYPE) {
/* update the existing setting but don't change its value */
fluid_int_setting_t* setting = (fluid_int_setting_t*) node;
setting->update = fun;
setting->data = data;
setting->min = min;
setting->max = max;
setting->def = def;
setting->hints = hints;
retval = 1;
} else {
/* type mismatch */
FLUID_LOG(FLUID_WARN, "Type mismatch on setting '%s'", name);
retval = 0;
}
}
fluid_rec_mutex_unlock (settings->mutex);
return retval;
}
/*
* fluid_track_set_name
*/
int fluid_track_set_name(fluid_track_t* track, char* name)
{
int len;
if (track->name != NULL) {
FLUID_FREE(track->name);
}
if (name == NULL) {
track->name = NULL;
return FLUID_OK;
}
len = FLUID_STRLEN(name);
track->name = FLUID_MALLOC(len + 1);
if (track->name == NULL) {
FLUID_LOG(FLUID_ERR, "Out of memory");
return FLUID_FAILED;
}
FLUID_STRCPY(track->name, name);
return FLUID_OK;
}
/**
* Add a MIDI file to a player queue, from a buffer in memory.
* @param player MIDI player instance
* @param buffer Pointer to memory containing the bytes of a complete MIDI
* file. The data is copied, so the caller may free or modify it immediately
* without affecting the playlist.
* @param len Length of the buffer, in bytes.
* @return #FLUID_OK or #FLUID_FAILED
*/
int
fluid_player_add_mem(fluid_player_t* player, const void *buffer, size_t len)
{
/* Take a copy of the buffer, so the caller can free immediately. */
fluid_playlist_item *pi = FLUID_MALLOC(sizeof(fluid_playlist_item));
void *buf_copy = FLUID_MALLOC(len);
if (!pi || !buf_copy) {
FLUID_FREE(pi);
FLUID_FREE(buf_copy);
FLUID_LOG(FLUID_PANIC, "Out of memory");
return FLUID_FAILED;
}
FLUID_MEMCPY(buf_copy, buffer, len);
pi->filename = NULL;
pi->buffer = buf_copy;
pi->buffer_len = len;
player->playlist = fluid_list_append(player->playlist, pi);
return FLUID_OK;
}
/*
* new_fluid_channel
*/
fluid_channel_t*
new_fluid_channel(fluid_synth_t* synth, int num)
{
fluid_channel_t* chan;
chan = FLUID_NEW(fluid_channel_t);
if (chan == NULL) {
FLUID_LOG(FLUID_ERR, "Out of memory");
return NULL;
}
chan->synth = synth;
chan->channum = num;
chan->preset = NULL;
fluid_channel_init(chan);
fluid_channel_init_ctrl(chan);
return chan;
}
BOOL WINAPI DllMain(HANDLE hModule, DWORD ul_reason_for_call, LPVOID lpReserved)
{
FLUID_LOG(FLUID_DBG, "DllMain");
switch (ul_reason_for_call) {
case DLL_PROCESS_ATTACH:
fluid_refCount++;
if (1 == fluid_refCount) {
fluid_set_hinstance((void*) hModule);
fluid_win32_create_window();
}
break;
case DLL_PROCESS_DETACH:
fluid_refCount--;
if (fluid_refCount == 0) {
fluid_win32_destroy_window();
}
break;
}
return TRUE;
}
/*
* fluid_sndio_audio_run
*/
void*
fluid_sndio_audio_run(void* d)
{
fluid_sndio_audio_driver_t* dev = (fluid_sndio_audio_driver_t*) d;
fluid_synth_t* synth = dev->synth;
void* buffer = dev->buffer;
int len = dev->buffer_size;
/* it's as simple as that: */
while (dev->cont)
{
dev->read (synth, len, buffer, 0, 2, buffer, 1, 2);
sio_write (dev->hdl, buffer, dev->buffer_byte_size);
}
FLUID_LOG(FLUID_DBG, "Audio thread finished");
pthread_exit(NULL);
return 0; /* not reached */
}
/* Purpose:
* Checks, if the floating point unit has produced an exception, print a message
* if so and clear the exception.
*/
unsigned int fluid_check_fpe_i386(char* explanation)
{
unsigned int s;
_FPU_GET_SW(s);
_FPU_CLR_SW();
s &= _FPU_STATUS_IE | _FPU_STATUS_DE | _FPU_STATUS_ZE | _FPU_STATUS_OE | _FPU_STATUS_UE;
if (s)
{
FLUID_LOG(FLUID_WARN, "FPE exception (before or in %s): %s%s%s%s%s", explanation,
(s & _FPU_STATUS_IE) ? "Invalid operation " : "",
(s & _FPU_STATUS_DE) ? "Denormal number " : "",
(s & _FPU_STATUS_ZE) ? "Zero divide " : "",
(s & _FPU_STATUS_OE) ? "Overflow " : "",
(s & _FPU_STATUS_UE) ? "Underflow " : "");
}
return s;
}
/**
* Create a new midi router. The default rules will pass all events unmodified.
* @param settings Settings used to configure MIDI router
* @param handler MIDI event callback.
* @param event_handler_data Caller defined data pointer which gets passed to 'handler'
* @return New MIDI router instance or NULL on error
*
* The MIDI handler callback should process the possibly filtered/modified MIDI
* events from the MIDI router and forward them on to a synthesizer for example.
* The function fluid_synth_handle_midi_event() can be used for \a handle and
* a #fluid_synth_t passed as the \a event_handler_data parameter for this purpose.
*/
fluid_midi_router_t *
new_fluid_midi_router(fluid_settings_t *settings, handle_midi_event_func_t handler,
void *event_handler_data)
{
fluid_midi_router_t *router = NULL;
int i;
router = FLUID_NEW (fluid_midi_router_t);
if (router == NULL)
{
FLUID_LOG(FLUID_ERR, "Out of memory");
return NULL;
}
FLUID_MEMSET (router, 0, sizeof (fluid_midi_router_t));
/* Retrieve the number of MIDI channels for range limiting */
fluid_settings_getint(settings, "synth.midi-channels", &router->nr_midi_channels);
fluid_mutex_init (router->rules_mutex);
router->synth = (fluid_synth_t *)event_handler_data;
router->event_handler = handler;
router->event_handler_data = event_handler_data;
/* Create default routing rules which pass all events unmodified */
for (i = 0; i < FLUID_MIDI_ROUTER_RULE_COUNT; i++)
{
router->rules[i] = new_fluid_midi_router_rule ();
if (!router->rules[i]) goto error_recovery;
}
return router;
error_recovery:
delete_fluid_midi_router (router);
return NULL;
}
static fluid_str_setting_t*
new_fluid_str_setting(const char* value, char* def, int hints, fluid_str_update_t fun, void* data)
{
fluid_str_setting_t* str;
str = FLUID_NEW(fluid_str_setting_t);
if (!str)
{
FLUID_LOG(FLUID_ERR, "Out of memory");
return NULL;
}
str->node.type = FLUID_STR_TYPE;
str->value = value? FLUID_STRDUP(value) : NULL;
str->def = def? FLUID_STRDUP(def) : NULL;
str->hints = hints;
str->options = NULL;
str->update = fun;
str->data = data;
return str;
}
/*
* fluid_hashtable_resize:
* @hashtable: our #fluid_hashtable_t
*
* Resizes the hash table to the optimal size based on the number of
* nodes currently held. If you call this function then a resize will
* occur, even if one does not need to occur. Use
* fluid_hashtable_maybe_resize() instead.
*/
static void
fluid_hashtable_resize (fluid_hashtable_t *hashtable)
{
fluid_hashnode_t **new_nodes;
fluid_hashnode_t *node;
fluid_hashnode_t *next;
unsigned int hash_val;
int new_size;
int i;
new_size = spaced_primes_closest (hashtable->nnodes);
new_size = (new_size < HASH_TABLE_MIN_SIZE) ? HASH_TABLE_MIN_SIZE :
((new_size > HASH_TABLE_MAX_SIZE) ? HASH_TABLE_MAX_SIZE : new_size);
new_nodes = FLUID_ARRAY (fluid_hashnode_t *, new_size);
if (!new_nodes)
{
FLUID_LOG (FLUID_ERR, "Out of memory");
return;
}
FLUID_MEMSET (new_nodes, 0, new_size * sizeof (fluid_hashnode_t *));
for (i = 0; i < hashtable->size; i++)
for (node = hashtable->nodes[i]; node; node = next)
{
next = node->next;
hash_val = node->key_hash % new_size;
node->next = new_nodes[hash_val];
new_nodes[hash_val] = node;
}
FLUID_FREE (hashtable->nodes);
hashtable->nodes = new_nodes;
hashtable->size = new_size;
}
/**
* Create a new thread.
* @param func Function to execute in new thread context
* @param data User defined data to pass to func
* @param prio_level Priority level. If greater than 0 then high priority scheduling will
* be used, with the given priority level (used by pthreads only). 0 uses normal scheduling.
* @param detach If TRUE, 'join' does not work and the thread destroys itself when finished.
* @return New thread pointer or NULL on error
*/
fluid_thread_t *
new_fluid_thread (const char *name, fluid_thread_func_t func, void *data, int prio_level, int detach)
{
GThread *thread;
fluid_thread_info_t *info;
GError *err = NULL;
g_return_val_if_fail (func != NULL, NULL);
#if OLD_GLIB_THREAD_API
/* Make sure g_thread_init has been called.
* FIXME - Probably not a good idea in a shared library,
* but what can we do *and* remain backwards compatible? */
if (!g_thread_supported ()) g_thread_init (NULL);
#endif
if (prio_level > 0)
{
info = FLUID_NEW (fluid_thread_info_t);
if (!info)
{
FLUID_LOG(FLUID_ERR, "Out of memory");
return NULL;
}
info->func = func;
info->data = data;
info->prio_level = prio_level;
#if NEW_GLIB_THREAD_API
thread = g_thread_try_new (name, fluid_thread_high_prio, info, &err);
#else
thread = g_thread_create (fluid_thread_high_prio, info, detach == FALSE, &err);
#endif
}
#if NEW_GLIB_THREAD_API
else thread = g_thread_try_new (name, (GThreadFunc)func, data, &err);
#else
else thread = g_thread_create ((GThreadFunc)func, data, detach == FALSE, &err);
