static short
_fluid_seq_queue_init(fluid_sequencer_t* seq, int maxEvents)
{
seq->heap = _fluid_evt_heap_init(maxEvents);
if (seq->heap == NULL) {
fluid_log(FLUID_PANIC, "sequencer: Out of memory\n");
return -1;
}
seq->preQueue = NULL;
seq->preQueueLast = NULL;
FLUID_MEMSET(seq->queue0, 0, 2*256*sizeof(fluid_evt_entry *));
FLUID_MEMSET(seq->queue1, 0, 2*255*sizeof(fluid_evt_entry *));
seq->queueLater = NULL;
seq->queue0StartTime = fluid_sequencer_get_tick(seq);
seq->prevCellNb = -1;
fluid_mutex_init(seq->mutex);
/* start timer */
if (seq->useSystemTimer) {
seq->timer = new_fluid_timer((int)(1000/seq->scale), _fluid_seq_queue_process,
(void *)seq, TRUE, FALSE, TRUE);
}
return (0);
}
/**
* Open a MIDI file and return a new MIDI file handle.
* @internal
* @param filename Path of file to open.
* @return New MIDI file handle or NULL on error.
*/
fluid_midi_file* new_fluid_midi_file(char* filename)
{
fluid_midi_file* mf;
mf = FLUID_NEW(fluid_midi_file);
if (mf == NULL) {
FLUID_LOG(FLUID_ERR, "Out of memory");
return NULL;
}
FLUID_MEMSET(mf, 0, sizeof(fluid_midi_file));
mf->c = -1;
mf->running_status = -1;
mf->fp = FLUID_FOPEN(filename, "rb");
if (mf->fp == NULL) {
FLUID_LOG(FLUID_ERR, "Couldn't open the MIDI file");
FLUID_FREE(mf);
return NULL;
}
if (fluid_midi_file_read_mthd(mf) != FLUID_OK) {
FLUID_FREE(mf);
return NULL;
}
return mf;
}
/**
* new_fluid_hashtable_full:
* @hash_func: a function to create a hash value from a key.
* @key_equal_func: a function to check two keys for equality.
* @key_destroy_func: a function to free the memory allocated for the key
* used when removing the entry from the #fluid_hashtable_t or %NULL if you
* don't want to supply such a function.
* @value_destroy_func: a function to free the memory allocated for the
* value used when removing the entry from the #fluid_hashtable_t or %NULL if
* you don't want to supply such a function.
*
* Creates a new #fluid_hashtable_t like fluid_hashtable_new() with a reference count
* of 1 and allows to specify functions to free the memory allocated for the
* key and value that get called when removing the entry from the #fluid_hashtable_t.
*
* Return value: a new #fluid_hashtable_t.
**/
fluid_hashtable_t*
new_fluid_hashtable_full (fluid_hash_func_t hash_func,
fluid_equal_func_t key_equal_func,
fluid_destroy_notify_t key_destroy_func,
fluid_destroy_notify_t value_destroy_func)
{
fluid_hashtable_t *hashtable;
hashtable = FLUID_NEW (fluid_hashtable_t);
if (!hashtable)
{
FLUID_LOG (FLUID_ERR, "Out of memory");
return NULL;
}
hashtable->size = HASH_TABLE_MIN_SIZE;
hashtable->nnodes = 0;
hashtable->hash_func = hash_func ? hash_func : fluid_direct_hash;
hashtable->key_equal_func = key_equal_func;
hashtable->ref_count = 1;
hashtable->key_destroy_func = key_destroy_func;
hashtable->value_destroy_func = value_destroy_func;
hashtable->nodes = FLUID_ARRAY (fluid_hashnode_t*, hashtable->size);
FLUID_MEMSET (hashtable->nodes, 0, hashtable->size * sizeof (fluid_hashnode_t *));
return hashtable;
}
/*
* new_fluid_sndmgr_audio_driver
* This implementation used the 16bit format.
*/
fluid_audio_driver_t*
new_fluid_sndmgr_audio_driver(fluid_settings_t* settings, fluid_synth_t* synth)
{
fluid_sndmgr_audio_driver_t* dev = NULL;
int period_size, periods, buffer_size;
/* check the format */
if (!fluid_settings_str_equal(settings, "audio.sample-format", "16bits")) {
FLUID_LOG(FLUID_ERR, "Unhandled sample format");
return NULL;
}
/* 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));
dev->callback_is_audio_func = false;
dev->data = (void *)synth;
dev->callback = NULL;
if (start_fluid_sndmgr_audio_driver(settings, dev, buffer_size) != 0) {
delete_fluid_sndmgr_audio_driver((fluid_audio_driver_t*)dev);
return NULL;
}
return (fluid_audio_driver_t*)dev;
}
/**
* Create a new MIDI router rule.
* @return Newly allocated router rule or NULL if out of memory.
* @since 1.1.0
*
* The new rule is a "unity" rule which will accept any values and wont modify
* them.
*/
fluid_midi_router_rule_t *
new_fluid_midi_router_rule (void)
{
fluid_midi_router_rule_t *rule;
rule = FLUID_NEW (fluid_midi_router_rule_t);
if (rule == NULL) {
FLUID_LOG(FLUID_ERR, "Out of memory");
return NULL;
}
FLUID_MEMSET (rule, 0, sizeof (fluid_midi_router_rule_t));
rule->chan_min = 0;
rule->chan_max = 999999;
rule->chan_mul = 1.0;
rule->chan_add = 0;
rule->par1_min = 0;
rule->par1_max = 999999;
rule->par1_mul = 1.0;
rule->par1_add = 0;
rule->par2_min = 0;
rule->par2_max = 999999;
rule->par2_mul = 1.0;
rule->par2_add = 0;
return rule;
};
/**
* Return a new MIDI file handle for parsing an already-loaded MIDI file.
* @internal
* @param buffer Pointer to full contents of MIDI file (borrows the pointer).
* The caller must not free buffer until after the fluid_midi_file is deleted.
* @param length Size of the buffer in bytes.
* @return New MIDI file handle or NULL on error.
*/
fluid_midi_file *
new_fluid_midi_file(const char* buffer, size_t length)
{
fluid_midi_file *mf;
mf = FLUID_NEW(fluid_midi_file);
if (mf == NULL) {
FLUID_LOG(FLUID_ERR, "Out of memory");
return NULL;
}
FLUID_MEMSET(mf, 0, sizeof(fluid_midi_file));
mf->c = -1;
mf->running_status = -1;
mf->buffer = buffer;
mf->buf_len = length;
mf->buf_pos = 0;
mf->eof = FALSE;
if (fluid_midi_file_read_mthd(mf) != FLUID_OK) {
FLUID_FREE(mf);
return NULL;
}
return mf;
}
fluid_evt_heap_t*
_fluid_evt_heap_init(int nbEvents)
{
#ifdef HEAP_WITH_DYNALLOC
int i;
fluid_evt_heap_t* heap;
fluid_evt_entry *tmp;
heap = FLUID_NEW(fluid_evt_heap_t);
if (heap == NULL) {
fluid_log(FLUID_PANIC, "sequencer: Out of memory\n");
return NULL;
}
heap->freelist = NULL;
fluid_mutex_init(heap->mutex);
/* LOCK */
fluid_mutex_lock(heap->mutex);
/* Allocate the event entries */
for (i = 0; i < nbEvents; i++) {
tmp = FLUID_NEW(fluid_evt_entry);
tmp->next = heap->freelist;
heap->freelist = tmp;
}
/* UNLOCK */
fluid_mutex_unlock(heap->mutex);
#else
int i;
fluid_evt_heap_t* heap;
int siz = 2*sizeof(fluid_evt_entry *) + sizeof(fluid_evt_entry)*nbEvents;
heap = (fluid_evt_heap_t *)FLUID_MALLOC(siz);
if (heap == NULL) {
fluid_log(FLUID_PANIC, "sequencer: Out of memory\n");
return NULL;
}
FLUID_MEMSET(heap, 0, siz);
/* link all heap events */
{
fluid_evt_entry *tmp = &(heap->pool);
for (i = 0 ; i < nbEvents - 1 ; i++)
tmp[i].next = &(tmp[i+1]);
tmp[nbEvents-1].next = NULL;
/* set head & tail */
heap->tail = &(tmp[nbEvents-1]);
heap->head = &(heap->pool);
}
#endif
return (heap);
}
fluid_midi_driver_t *
new_fluid_sndio_midi_driver(fluid_settings_t *settings,
handle_midi_event_func_t handler, void *data)
{
int err;
fluid_sndio_midi_driver_t *dev;
char *device;
/* not much use doing anything */
if (handler == NULL) {
FLUID_LOG(FLUID_ERR, "Invalid argument");
return NULL;
}
/* allocate the device */
dev = FLUID_NEW(fluid_sndio_midi_driver_t);
if (dev == NULL) {
FLUID_LOG(FLUID_ERR, "Out of memory");
return NULL;
}
FLUID_MEMSET(dev, 0, sizeof(fluid_sndio_midi_driver_t));
dev->hdl = NULL;
dev->driver.handler = handler;
dev->driver.data = data;
/* allocate one event to store the input data */
dev->parser = new_fluid_midi_parser();
if (dev->parser == NULL) {
FLUID_LOG(FLUID_ERR, "Out of memory");
goto error_recovery;
}
/* get the device name. if none is specified, use the default device. */
if (!fluid_settings_dupstr(settings, "midi.sndio.device", &device)) {
device = NULL;
}
/* open the default hardware device. only use midi in. */
dev->hdl = mio_open(device, MIO_IN, 0);
if (dev->hdl == NULL) {
FLUID_LOG(FLUID_ERR, "Couldn't open sndio midi device");
goto error_recovery;
}
dev->status = FLUID_MIDI_READY;
err = pthread_create(&dev->thread, NULL, fluid_sndio_midi_run, (void *)dev);
if (err) {
FLUID_LOG(FLUID_PANIC, "Couldn't create the midi thread.");
goto error_recovery;
}
return (fluid_midi_driver_t *) dev;
error_recovery:
delete_fluid_sndio_midi_driver((fluid_midi_driver_t *)dev);
return NULL;
}
void
fluid_event_clear(fluid_event_t* evt)
{
FLUID_MEMSET(evt, 0, sizeof(fluid_event_t));
// by default, no type
evt->dest = -1;
evt->src = -1;
evt->type = -1;
}
fluid_server_socket_t*
new_fluid_server_socket(int port, fluid_server_func_t func, void* data)
{
fluid_server_socket_t* server_socket;
struct sockaddr_in addr;
fluid_socket_t sock;
g_return_val_if_fail (func != NULL, NULL);
sock = socket(AF_INET, SOCK_STREAM, 0);
if (sock == INVALID_SOCKET) {
FLUID_LOG(FLUID_ERR, "Failed to create server socket");
return NULL;
}
FLUID_MEMSET((char *)&addr, 0, sizeof(struct sockaddr_in));
addr.sin_family = AF_INET;
addr.sin_addr.s_addr = htonl(INADDR_ANY);
addr.sin_port = htons(port);
if (bind(sock, (const struct sockaddr *) &addr, sizeof(struct sockaddr_in)) == SOCKET_ERROR) {
FLUID_LOG(FLUID_ERR, "Failed to bind server socket");
fluid_socket_close(sock);
return NULL;
}
if (listen(sock, 10) == SOCKET_ERROR) {
FLUID_LOG(FLUID_ERR, "Failed listen on server socket");
fluid_socket_close(sock);
return NULL;
}
server_socket = FLUID_NEW(fluid_server_socket_t);
if (server_socket == NULL) {
FLUID_LOG(FLUID_ERR, "Out of memory");
fluid_socket_close(sock);
return NULL;
}
server_socket->socket = sock;
server_socket->func = func;
server_socket->data = data;
server_socket->cont = 1;
server_socket->thread = new_fluid_thread(fluid_server_socket_run, server_socket,
0, FALSE);
if (server_socket->thread == NULL) {
FLUID_FREE(server_socket);
fluid_socket_close(sock);
return NULL;
}
return server_socket;
}
/* Private functions */
static fluid_samplecache_entry_t *new_samplecache_entry(SFData *sf,
unsigned int sample_start,
unsigned int sample_end,
int sample_type)
{
fluid_samplecache_entry_t *entry;
entry = FLUID_NEW(fluid_samplecache_entry_t);
if (entry == NULL)
{
FLUID_LOG(FLUID_ERR, "Out of memory");
return NULL;
}
FLUID_MEMSET(entry, 0, sizeof(*entry));
entry->filename = FLUID_STRDUP(sf->fname);
if (entry->filename == NULL)
{
FLUID_LOG(FLUID_ERR, "Out of memory");
goto error_exit;
}
if (fluid_get_file_modification_time(entry->filename, &entry->modification_time) == FLUID_FAILED)
{
FLUID_LOG(FLUID_WARN, "Unable to read modificaton time of soundfont file.");
entry->modification_time = 0;
}
entry->sf_samplepos = sf->samplepos;
entry->sf_samplesize = sf->samplesize;
entry->sf_sample24pos = sf->sample24pos;
entry->sf_sample24size = sf->sample24size;
entry->sample_start = sample_start;
entry->sample_end = sample_end;
entry->sample_type = sample_type;
entry->sample_count = fluid_sffile_read_sample_data(sf, sample_start, sample_end, sample_type,
&entry->sample_data, &entry->sample_data24);
if (entry->sample_count < 0)
{
goto error_exit;
}
return entry;
error_exit:
delete_samplecache_entry(entry);
return NULL;
}
static LONG APIENTRY fluid_dart_audio_run( ULONG ulStatus, PMCI_MIX_BUFFER pBuffer, ULONG ulFlags )
{
fluid_dart_audio_driver_t* dev=(fluid_dart_audio_driver_t*)pBuffer->ulUserParm;
switch( ulFlags ) {
case MIX_STREAM_ERROR | MIX_WRITE_COMPLETE: /* error occur in device */
case MIX_WRITE_COMPLETE: /* for playback */
FLUID_MEMSET(pBuffer->pBuffer, 0, pBuffer->ulBufferLength);
fluid_synth_write_s16(dev->synth, pBuffer->ulBufferLength / dev->frame_size,
pBuffer->pBuffer, 0, 2, pBuffer->pBuffer, 1, 2 );
dev->MixSetupParms.pmixWrite(dev->MixSetupParms.ulMixHandle, pBuffer, 1);
break;
}
return TRUE;
}
static void
fluid_server_socket_run (void *data)
{
fluid_server_socket_t *server_socket = (fluid_server_socket_t *)data;
fluid_socket_t client_socket;
#ifdef IPV6
struct sockaddr_in6 addr;
char straddr[INET6_ADDRSTRLEN];
#else
struct sockaddr_in addr;
char straddr[INET_ADDRSTRLEN];
#endif
socklen_t addrlen = sizeof (addr);
int retval;
FLUID_MEMSET((char *)&addr, 0, sizeof(addr));
FLUID_LOG (FLUID_DBG, "Server listening for connections");
while (server_socket->cont)
{
client_socket = accept (server_socket->socket, (struct sockaddr *)&addr, &addrlen);
FLUID_LOG (FLUID_DBG, "New client connection");
if (client_socket == INVALID_SOCKET)
{
if (server_socket->cont)
FLUID_LOG(FLUID_ERR, "Failed to accept connection");
server_socket->cont = 0;
return;
} else {
#ifdef IPV6
inet_ntop(AF_INET6, &addr.sin6_addr, straddr, sizeof(straddr));
#else
inet_ntop(AF_INET, &addr.sin_addr, straddr, sizeof(straddr));
#endif
retval = server_socket->func (server_socket->data, client_socket,
straddr);
if (retval != 0)
fluid_socket_close(client_socket);
}
}
FLUID_LOG(FLUID_DBG, "Server closing");
}
/*
* 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;
}
/**
* Create a new sequencer object.
* @param use_system_timer If TRUE, sequencer will advance at the rate of the
* system clock. If FALSE, call fluid_sequencer_process() to advance
* the sequencer.
* @return New sequencer instance
* @since 1.1.0
*/
fluid_sequencer_t*
new_fluid_sequencer2 (int use_system_timer)
{
fluid_sequencer_t* seq;
seq = FLUID_NEW(fluid_sequencer_t);
if (seq == NULL) {
fluid_log(FLUID_PANIC, "sequencer: Out of memory\n");
return NULL;
}
FLUID_MEMSET(seq, 0, sizeof(fluid_sequencer_t));
seq->scale = 1000; // default value
seq->useSystemTimer = use_system_timer ? TRUE : FALSE;
seq->startMs = seq->useSystemTimer ? fluid_curtime() : 0;
seq->clients = NULL;
seq->clientsID = 0;
if (-1 == _fluid_seq_queue_init(seq, FLUID_SEQUENCER_EVENTS_MAX)) {
FLUID_FREE(seq);
fluid_log(FLUID_PANIC, "sequencer: Out of memory\n");
return NULL;
}
#if FLUID_SEQ_WITH_TRACE
seq->tracelen = 1024*100;
seq->tracebuf = (char *)FLUID_MALLOC(seq->tracelen);
if (seq->tracebuf == NULL) {
_fluid_seq_queue_end(seq);
FLUID_FREE(seq);
fluid_log(FLUID_PANIC, "sequencer: Out of memory\n");
return NULL;
}
seq->traceptr = seq->tracebuf;
#endif
return(seq);
}
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_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 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;
}
/*
* new_fluid_dsound_audio_driver
*/
fluid_audio_driver_t*
new_fluid_dsound_audio_driver(fluid_settings_t* settings, fluid_synth_t* synth)
{
HRESULT hr;
DSBUFFERDESC desc;
fluid_dsound_audio_driver_t* dev = NULL;
DSCAPS caps;
char *buf1;
DWORD bytes1;
double sample_rate;
int periods, period_size;
fluid_dsound_devsel_t devsel;
/* check if the globals are initialized */
if (FLUID_HINSTANCE == NULL) {
FLUID_LOG(FLUID_ERR, "FluidSynth hinstance not set, which is needed for DirectSound");
return NULL;
}
/*
if (fluid_wnd == NULL) {
if (fluid_win32_create_window() != 0) {
FLUID_LOG(FLUID_ERR, "Couldn't create window needed for DirectSound");
return NULL;
}
}
*/
/* create and clear the driver data */
dev = FLUID_NEW(fluid_dsound_audio_driver_t);
if (dev == NULL) {
FLUID_LOG(FLUID_ERR, "Out of memory");
return NULL;
}
FLUID_MEMSET(dev, 0, sizeof(fluid_dsound_audio_driver_t));
dev->synth = synth;
dev->cont = 1;
fluid_settings_getnum(settings, "synth.sample-rate", &sample_rate);
fluid_settings_getint(settings, "audio.periods", &periods);
fluid_settings_getint(settings, "audio.period-size", &period_size);
/* check the format */
if (!fluid_settings_str_equal(settings, "audio.sample-format", "16bits")) {
FLUID_LOG(FLUID_ERR, "Unhandled sample format");
goto error_recovery;
}
dev->frame_size = 2 * sizeof(short);
dev->buffer_byte_size = period_size * dev->frame_size;
dev->queue_byte_size = periods * dev->buffer_byte_size;
dev->write = fluid_synth_write_s16;
/* create and initialize the buffer format */
dev->format = (WAVEFORMATEX*) FLUID_MALLOC(sizeof(WAVEFORMATEX));
if (dev->format == NULL) {
FLUID_LOG(FLUID_ERR, "Out of memory");
goto error_recovery;
}
ZeroMemory(dev->format, sizeof(WAVEFORMATEX));
dev->format->wFormatTag = WAVE_FORMAT_PCM;
dev->format->nChannels = 2;
dev->format->wBitsPerSample = 16;
dev->format->nSamplesPerSec = (DWORD) sample_rate;
dev->format->nBlockAlign = (WORD) dev->frame_size;
dev->format->nAvgBytesPerSec = dev->format->nSamplesPerSec * dev->frame_size;
dev->format->cbSize = 0;
devsel.devGUID = NULL;
/* get the selected device name. if none is specified, use NULL for the default device. */
if(fluid_settings_dupstr(settings, "audio.dsound.device", &devsel.devname) == FLUID_OK /* ++ alloc device name */
&& devsel.devname && strlen (devsel.devname) > 0) {
/* look for the GUID of the selected device */
DirectSoundEnumerate((LPDSENUMCALLBACK) fluid_dsound_enum_callback2, (void *)&devsel);
}
if (devsel.devname) FLUID_FREE (devsel.devname); /* -- free device name */
/* open DirectSound */
hr = DirectSoundCreate(devsel.devGUID, &dev->direct_sound, NULL);
if (hr != DS_OK) {
FLUID_LOG(FLUID_ERR, "Failed to create the DirectSound object");
goto error_recovery;
}
hr = IDirectSound_SetCooperativeLevel(dev->direct_sound, fluid_win32_get_window(), DSSCL_PRIORITY);
if (hr != DS_OK) {
FLUID_LOG(FLUID_ERR, "Failed to set the cooperative level");
goto error_recovery;
}
caps.dwSize = sizeof(caps);
hr = IDirectSound_GetCaps(dev->direct_sound, &caps);
if (hr != DS_OK) {
FLUID_LOG(FLUID_ERR, "Failed to query the device capacities");
goto error_recovery;
}
/* create primary buffer */
ZeroMemory(&desc, sizeof(DSBUFFERDESC));
desc.dwSize = sizeof(DSBUFFERDESC);
desc.dwFlags = DSBCAPS_PRIMARYBUFFER;
if (caps.dwFreeHwMixingStreamingBuffers > 0) {
desc.dwFlags |= DSBCAPS_LOCHARDWARE;
}
hr = IDirectSound_CreateSoundBuffer(dev->direct_sound, &desc, &dev->prim_buffer, NULL);
if (hr != DS_OK) {
FLUID_LOG(FLUID_ERR, "Failed to allocate the primary buffer");
goto error_recovery;
}
/* set the primary sound buffer to this format. if it fails, just
print a warning. */
hr = IDirectSoundBuffer_SetFormat(dev->prim_buffer, dev->format);
if (hr != DS_OK) {
FLUID_LOG(FLUID_WARN, "Can't set format of primary sound buffer", fluid_win32_error(hr));
}
/* initialize the buffer description */
ZeroMemory(&desc, sizeof(DSBUFFERDESC));
desc.dwSize = sizeof(DSBUFFERDESC);
desc.dwFlags = DSBCAPS_GLOBALFOCUS | DSBCAPS_GETCURRENTPOSITION2;
desc.lpwfxFormat = dev->format;
desc.dwBufferBytes = dev->queue_byte_size;
desc.dwReserved = 0;
if (caps.dwFreeHwMixingStreamingBuffers > 0) {
desc.dwFlags |= DSBCAPS_LOCHARDWARE;
}
/* create the secondary sound buffer */
hr = IDirectSound_CreateSoundBuffer(dev->direct_sound, &desc, &dev->sec_buffer, NULL);
if (hr != DS_OK) {
FLUID_LOG(FLUID_ERR, "dsound: Can't create sound buffer: %s", fluid_win32_error(hr));
goto error_recovery;
}
/* Lock */
hr = IDirectSoundBuffer_Lock(dev->sec_buffer, 0, 0, (void*) &buf1, &bytes1, 0, 0, DSBLOCK_ENTIREBUFFER);
if ((hr != DS_OK) || (buf1 == NULL)) {
FLUID_LOG(FLUID_PANIC, "Failed to lock the audio buffer. Exiting.");
goto error_recovery;
}
/* fill the buffer with silence */
memset(buf1, 0, bytes1);
/* Unlock */
IDirectSoundBuffer_Unlock(dev->sec_buffer, buf1, bytes1, 0, 0);
/* start the audio thread */
dev->thread = CreateThread(NULL, 0, &fluid_dsound_audio_run, (LPVOID) dev, 0, &dev->threadID);
if (dev->thread == NULL) {
goto error_recovery;
}
return (fluid_audio_driver_t*) dev;
error_recovery:
delete_fluid_dsound_audio_driver((fluid_audio_driver_t*) dev);
return NULL;
}
/*
* new_fluid_core_audio_driver2
*/
fluid_audio_driver_t*
new_fluid_core_audio_driver2(fluid_settings_t* settings, fluid_audio_func_t func, void* data)
{
char* devname = NULL;
fluid_core_audio_driver_t* dev = NULL;
int period_size, periods;
double sample_rate;
OSStatus status;
UInt32 size;
int i;
dev = FLUID_NEW(fluid_core_audio_driver_t);
if (dev == NULL) {
FLUID_LOG(FLUID_ERR, "Out of memory");
return NULL;
}
FLUID_MEMSET(dev, 0, sizeof(fluid_core_audio_driver_t));
dev->callback = func;
dev->data = data;
// Open the default output unit
ComponentDescription desc;
desc.componentType = kAudioUnitType_Output;
desc.componentSubType = kAudioUnitSubType_HALOutput; //kAudioUnitSubType_DefaultOutput;
desc.componentManufacturer = kAudioUnitManufacturer_Apple;
desc.componentFlags = 0;
desc.componentFlagsMask = 0;
Component comp = FindNextComponent(NULL, &desc);
if (comp == NULL) {
FLUID_LOG(FLUID_ERR, "Failed to get the default audio device");
goto error_recovery;
}
status = OpenAComponent(comp, &dev->outputUnit);
if (status != noErr) {
FLUID_LOG(FLUID_ERR, "Failed to open the default audio device. Status=%ld\n", (long int)status);
goto error_recovery;
}
// Set up a callback function to generate output
AURenderCallbackStruct render;
render.inputProc = fluid_core_audio_callback;
render.inputProcRefCon = (void *) dev;
status = AudioUnitSetProperty (dev->outputUnit,
kAudioUnitProperty_SetRenderCallback,
kAudioUnitScope_Input,
0,
&render,
sizeof(render));
if (status != noErr) {
FLUID_LOG (FLUID_ERR, "Error setting the audio callback. Status=%ld\n", (long int)status);
goto error_recovery;
}
fluid_settings_getnum(settings, "synth.sample-rate", &sample_rate);
fluid_settings_getint(settings, "audio.periods", &periods);
fluid_settings_getint(settings, "audio.period-size", &period_size);
/* get the selected device name. if none is specified, use NULL for the default device. */
if (fluid_settings_dupstr(settings, "audio.coreaudio.device", &devname) /* alloc device name */
&& devname && strlen (devname) > 0) {
AudioObjectPropertyAddress pa;
pa.mSelector = kAudioHardwarePropertyDevices;
pa.mScope = kAudioObjectPropertyScopeWildcard;
pa.mElement = kAudioObjectPropertyElementMaster;
if (OK (AudioObjectGetPropertyDataSize (kAudioObjectSystemObject, &pa, 0, 0, &size))) {
int num = size / (int) sizeof (AudioDeviceID);
AudioDeviceID devs [num];
if (OK (AudioObjectGetPropertyData (kAudioObjectSystemObject, &pa, 0, 0, &size, devs))) {
for (i = 0; i < num; ++i) {
char name [1024];
size = sizeof (name);
pa.mSelector = kAudioDevicePropertyDeviceName;
if (OK (AudioObjectGetPropertyData (devs[i], &pa, 0, 0, &size, name))) {
if (get_num_outputs (devs[i]) > 0 && strcasecmp(devname, name) == 0) {
AudioDeviceID selectedID = devs[i];
status = AudioUnitSetProperty (dev->outputUnit,
kAudioOutputUnitProperty_CurrentDevice,
kAudioUnitScope_Global,
0,
&selectedID,
sizeof(AudioDeviceID));
if (status != noErr) {
FLUID_LOG (FLUID_ERR, "Error setting the selected output device. Status=%ld\n", (long int)status);
goto error_recovery;
}
}
}
}
}
}
}
if (devname)
FLUID_FREE (devname); /* free device name */
dev->buffer_size = period_size * periods;
// The DefaultOutputUnit should do any format conversions
// necessary from our format to the device's format.
dev->format.mSampleRate = sample_rate; // sample rate of the audio stream
dev->format.mFormatID = kAudioFormatLinearPCM; // encoding type of the audio stream
dev->format.mFormatFlags = kLinearPCMFormatFlagIsFloat;
dev->format.mBytesPerPacket = 2*sizeof(float);
dev->format.mFramesPerPacket = 1;
dev->format.mBytesPerFrame = 2*sizeof(float);
dev->format.mChannelsPerFrame = 2;
dev->format.mBitsPerChannel = 8*sizeof(float);
FLUID_LOG (FLUID_DBG, "mSampleRate %g", dev->format.mSampleRate);
FLUID_LOG (FLUID_DBG, "mFormatFlags %08X", dev->format.mFormatFlags);
FLUID_LOG (FLUID_DBG, "mBytesPerPacket %d", dev->format.mBytesPerPacket);
FLUID_LOG (FLUID_DBG, "mFramesPerPacket %d", dev->format.mFramesPerPacket);
FLUID_LOG (FLUID_DBG, "mChannelsPerFrame %d", dev->format.mChannelsPerFrame);
FLUID_LOG (FLUID_DBG, "mBytesPerFrame %d", dev->format.mBytesPerFrame);
FLUID_LOG (FLUID_DBG, "mBitsPerChannel %d", dev->format.mBitsPerChannel);
status = AudioUnitSetProperty (dev->outputUnit,
kAudioUnitProperty_StreamFormat,
kAudioUnitScope_Input,
0,
&dev->format,
sizeof(AudioStreamBasicDescription));
if (status != noErr) {
FLUID_LOG (FLUID_ERR, "Error setting the audio format. Status=%ld\n", (long int)status);
goto error_recovery;
}
status = AudioUnitSetProperty (dev->outputUnit,
kAudioUnitProperty_MaximumFramesPerSlice,
kAudioUnitScope_Input,
0,
&dev->buffer_size,
sizeof(unsigned int));
if (status != noErr) {
FLUID_LOG (FLUID_ERR, "Failed to set the MaximumFramesPerSlice. Status=%ld\n", (long int)status);
goto error_recovery;
}
FLUID_LOG (FLUID_DBG, "MaximumFramesPerSlice = %d", dev->buffer_size);
dev->buffers[0] = FLUID_ARRAY(float, dev->buffer_size);
dev->buffers[1] = FLUID_ARRAY(float, dev->buffer_size);
// Initialize the audio unit
status = AudioUnitInitialize(dev->outputUnit);
if (status != noErr) {
FLUID_LOG (FLUID_ERR, "Error calling AudioUnitInitialize(). Status=%ld\n", (long int)status);
goto error_recovery;
}
// Start the rendering
status = AudioOutputUnitStart (dev->outputUnit);
if (status != noErr) {
FLUID_LOG (FLUID_ERR, "Error calling AudioOutputUnitStart(). Status=%ld\n", (long int)status);
goto error_recovery;
}
return (fluid_audio_driver_t*) dev;
error_recovery:
delete_fluid_core_audio_driver((fluid_audio_driver_t*) dev);
return NULL;
}
/*
* new_fluid_midishare_midi_driver
*/
fluid_midi_driver_t*
new_fluid_midishare_midi_driver(fluid_settings_t* settings,
handle_midi_event_func_t handler,
void* data)
{
fluid_midishare_midi_driver_t* dev;
int i;
/* not much use doing anything */
if (handler == NULL) {
FLUID_LOG(FLUID_ERR, "Invalid argument");
return NULL;
}
/* allocate the device */
dev = FLUID_NEW(fluid_midishare_midi_driver_t);
if (dev == NULL) {
FLUID_LOG(FLUID_ERR, "Out of memory");
return NULL;
}
FLUID_MEMSET(dev, 0, sizeof(fluid_midishare_midi_driver_t));
dev->driver.handler = handler;
dev->driver.data = data;
/* register to MidiShare as Application or Driver */
#if defined(MIDISHARE_DRIVER)
if (!fluid_midishare_open_driver(dev)) goto error_recovery;
#else
if (!fluid_midishare_open_appl(dev)) goto error_recovery;
#endif
/*MidiSetInfo(dev->refnum, dev->router->synth); */
MidiSetInfo(dev->refnum, dev);
dev->filter = MidiNewFilter();
if (dev->filter == 0) {
FLUID_LOG(FLUID_ERR, "Can not allocate MidiShare filter");
goto error_recovery;
}
for (i = 0 ; i < 256; i++) {
MidiAcceptPort(dev->filter, i, 1); /* accept all ports */
MidiAcceptType(dev->filter, i, 0); /* reject all types */
}
for (i = 0 ; i < 16; i++) {
MidiAcceptChan(dev->filter, i, 1); /* accept all chan */
}
/* accept only the following types */
MidiAcceptType(dev->filter, typeNote, 1);
MidiAcceptType(dev->filter, typeKeyOn, 1);
MidiAcceptType(dev->filter, typeKeyOff, 1);
MidiAcceptType(dev->filter, typeCtrlChange, 1);
MidiAcceptType(dev->filter, typeProgChange, 1);
MidiAcceptType(dev->filter, typePitchWheel, 1);
MidiAcceptType(dev->filter, typeSysEx, 1);
/* set the filter */
MidiSetFilter(dev->refnum, dev->filter);
dev->status = FLUID_MIDI_READY;
return (fluid_midi_driver_t*) dev;
error_recovery:
delete_fluid_midishare_midi_driver((fluid_midi_driver_t*) dev);
return NULL;
}
fluid_audio_driver_t *
new_fluid_portaudio_driver (fluid_settings_t *settings, fluid_synth_t *synth)
{
fluid_portaudio_driver_t *dev = NULL;
PaStreamParameters outputParams;
char *device = NULL;
double sample_rate;
int period_size;
PaError err;
dev = FLUID_NEW (fluid_portaudio_driver_t);
if (dev == NULL)
{
FLUID_LOG (FLUID_ERR, "Out of memory");
return NULL;
}
err = Pa_Initialize ();
if (err != paNoError)
{
FLUID_LOG (FLUID_ERR, "Error initializing PortAudio driver: %s",
Pa_GetErrorText (err));
FLUID_FREE (dev);
return NULL;
}
FLUID_MEMSET (dev, 0, sizeof (fluid_portaudio_driver_t));
dev->synth = synth;
fluid_settings_getint (settings, "audio.period-size", &period_size);
fluid_settings_getnum (settings, "synth.sample-rate", &sample_rate);
fluid_settings_dupstr(settings, "audio.portaudio.device", &device); /* ++ alloc device name */
bzero (&outputParams, sizeof (outputParams));
outputParams.channelCount = 2;
outputParams.suggestedLatency = (PaTime)period_size / sample_rate;
/* Locate the device if specified */
if (strcmp (device, PORTAUDIO_DEFAULT_DEVICE) != 0)
{
const PaDeviceInfo *deviceInfo;
int numDevices;
int i;
numDevices = Pa_GetDeviceCount ();
if (numDevices < 0)
{
FLUID_LOG (FLUID_ERR, "PortAudio returned unexpected device count %d", numDevices);
goto error_recovery;
}
for (i = 0; i < numDevices; i++)
{
deviceInfo = Pa_GetDeviceInfo (i);
if (strcmp (device, deviceInfo->name) == 0)
{
outputParams.device = i;
break;
}
}
if (i == numDevices)
{
FLUID_LOG (FLUID_ERR, "PortAudio device '%s' was not found", device);
goto error_recovery;
}
}
else outputParams.device = Pa_GetDefaultOutputDevice();
if (fluid_settings_str_equal (settings, "audio.sample-format", "16bits"))
{
outputParams.sampleFormat = paInt16;
dev->read = fluid_synth_write_s16;
}
else if (fluid_settings_str_equal (settings, "audio.sample-format", "float"))
{
outputParams.sampleFormat = paFloat32;
dev->read = fluid_synth_write_float;
}
else
{
FLUID_LOG (FLUID_ERR, "Unknown sample format");
goto error_recovery;
}
/* PortAudio section */
/* Open an audio I/O stream. */
err = Pa_OpenStream (&dev->stream,
NULL, /* Input parameters */
&outputParams,
sample_rate,
period_size,
paNoFlag,
fluid_portaudio_run,
dev);
if (err != paNoError)
{
FLUID_LOG (FLUID_ERR, "Error opening PortAudio stream: %s",
Pa_GetErrorText (err));
goto error_recovery;
}
err = Pa_StartStream (dev->stream);
if (err != paNoError)
{
FLUID_LOG (FLUID_ERR, "Error starting PortAudio stream: %s",
Pa_GetErrorText (err));
goto error_recovery;
}
if (device) FLUID_FREE (device); /* -- free device name */
return (fluid_audio_driver_t *)dev;
error_recovery:
if (device) FLUID_FREE (device); /* -- free device name */
delete_fluid_portaudio_driver ((fluid_audio_driver_t *)dev);
return NULL;
}
fluid_audio_driver_t*
new_fluid_dart_audio_driver(fluid_settings_t* settings, fluid_synth_t* synth)
{
fluid_dart_audio_driver_t* dev;
double sample_rate;
int periods, period_size;
UCHAR szFailedName[ 256 ];
MCI_AMP_OPEN_PARMS AmpOpenParms;
int i;
ULONG rc;
dev = FLUID_NEW(fluid_dart_audio_driver_t);
if (dev == NULL) {
FLUID_LOG(FLUID_ERR, "Out of memory");
return NULL;
}
FLUID_MEMSET(dev, 0, sizeof(fluid_dart_audio_driver_t));
fluid_settings_getnum(settings, "synth.sample-rate", &sample_rate);
fluid_settings_getint(settings, "audio.periods", &periods);
fluid_settings_getint(settings, "audio.period-size", &period_size);
/* check the format */
if (!fluid_settings_str_equal(settings, "audio.sample-format", "16bits")) {
FLUID_LOG(FLUID_ERR, "Unhandled sample format");
goto error_recovery;
}
dev->synth = synth;
dev->frame_size = 2 * sizeof(short);
/* Load only once
*/
if( m_hmodMDM == NULLHANDLE )
{
rc = DosLoadModule(szFailedName, sizeof(szFailedName), "MDM", &m_hmodMDM);
if (rc != 0 ) {
FLUID_LOG(FLUID_ERR, "Cannot load MDM.DLL for DART due to %s", szFailedName);
goto error_recovery;
}
rc = DosQueryProcAddr(m_hmodMDM, 1, NULL, (PFN *)&m_pfnmciSendCommand);
if (rc != 0 ) {
FLUID_LOG(FLUID_ERR, "Cannot find mciSendCommand() in MDM.DLL");
DosFreeModule(m_hmodMDM);
m_hmodMDM = NULLHANDLE;
goto error_recovery;
}
}
/* open the mixer device
*/
FLUID_MEMSET(&AmpOpenParms, 0, sizeof(MCI_AMP_OPEN_PARMS));
AmpOpenParms.usDeviceID = (USHORT)0;
AmpOpenParms.pszDeviceType = (PSZ)MCI_DEVTYPE_AUDIO_AMPMIX;
rc = m_pfnmciSendCommand(0, MCI_OPEN,
MCI_WAIT | MCI_OPEN_TYPE_ID | MCI_OPEN_SHAREABLE,
(PVOID)&AmpOpenParms, 0);
if (rc != MCIERR_SUCCESS) {
FLUID_LOG(FLUID_ERR, "Cannot open DART, rc = %lu", rc);
goto error_recovery;
}
dev->usDeviceID = AmpOpenParms.usDeviceID;
/* Set the MixSetupParms data structure to match the requirements.
* This is a global that is used to setup the mixer.
*/
dev->MixSetupParms.ulBitsPerSample = BPS_16;
dev->MixSetupParms.ulFormatTag = MCI_WAVE_FORMAT_PCM;
dev->MixSetupParms.ulSamplesPerSec = sample_rate;
dev->MixSetupParms.ulChannels = 2;
/* Setup the mixer for playback of wave data
*/
dev->MixSetupParms.ulFormatMode = MCI_PLAY;
dev->MixSetupParms.ulDeviceType = MCI_DEVTYPE_WAVEFORM_AUDIO;
dev->MixSetupParms.pmixEvent = fluid_dart_audio_run;
rc = m_pfnmciSendCommand(dev->usDeviceID, MCI_MIXSETUP,
MCI_WAIT | MCI_MIXSETUP_INIT,
(PVOID)&dev->MixSetupParms, 0);
if (rc != MCIERR_SUCCESS) {
FLUID_LOG(FLUID_ERR, "Cannot setup DART, rc = %lu", rc);
goto error_recovery;
}
/* Set up the BufferParms data structure and allocate
* device buffers from the Amp-Mixer
*/
dev->BufferParms.ulNumBuffers = NUM_MIX_BUFS;
dev->BufferParms.ulBufferSize = periods * period_size * dev->frame_size;
dev->BufferParms.pBufList = dev->MixBuffers;
rc = m_pfnmciSendCommand(dev->usDeviceID, MCI_BUFFER,
MCI_WAIT | MCI_ALLOCATE_MEMORY,
(PVOID)&dev->BufferParms, 0);
if ((USHORT)rc != MCIERR_SUCCESS) {
FLUID_LOG(FLUID_ERR, "Cannot allocate memory for DART, rc = %lu", rc);
goto error_recovery;
}
/* Initialize all device buffers.
*/
for (i = 0; i < NUM_MIX_BUFS; i++) {
FLUID_MEMSET(dev->MixBuffers[i].pBuffer, 0, dev->BufferParms.ulBufferSize);
dev->MixBuffers[i].ulBufferLength = dev->BufferParms.ulBufferSize;
dev->MixBuffers[i].ulFlags = 0;
dev->MixBuffers[i].ulUserParm = (ULONG)dev;
fluid_synth_write_s16(dev->synth, dev->MixBuffers[i].ulBufferLength / dev->frame_size,
dev->MixBuffers[i].pBuffer, 0, 2, dev->MixBuffers[i].pBuffer, 1, 2 );
}
/* Write buffers to kick off the amp mixer.
*/
dev->MixSetupParms.pmixWrite(dev->MixSetupParms.ulMixHandle,
dev->MixBuffers,
NUM_MIX_BUFS);
return (fluid_audio_driver_t*) dev;
error_recovery:
delete_fluid_dart_audio_driver((fluid_audio_driver_t*) dev);
return NULL;
}
fluid_audio_driver_t *
new_fluid_portaudio_driver2 (fluid_settings_t *settings, fluid_audio_func_t func, void* data)
{
fluid_portaudio_driver_t *dev = NULL;
PaStreamParameters outputParams;
char *device = NULL;
double sample_rate;
int period_size;
PaError err;
int numOutputs = 2;
dev = FLUID_NEW (fluid_portaudio_driver_t);
if (dev == NULL)
{
FLUID_LOG (FLUID_ERR, "Out of memory");
return NULL;
}
err = Pa_Initialize ();
if (err != paNoError)
{
FLUID_LOG (FLUID_ERR, "Error initializing PortAudio driver: %s",
Pa_GetErrorText (err));
FLUID_FREE (dev);
return NULL;
}
FLUID_MEMSET (dev, 0, sizeof (fluid_portaudio_driver_t));
dev->data = data;
dev->callback = func;
bzero (&outputParams, sizeof (outputParams));
fluid_settings_getint (settings, "audio.period-size", &period_size);
fluid_settings_getnum (settings, "synth.sample-rate", &sample_rate);
fluid_settings_dupstr(settings, "audio.portaudio.device", &device); /* ++ alloc device name */
/* Locate the device if specified */
if (strcmp (device, PORTAUDIO_DEFAULT_DEVICE) != 0)
{
const PaDeviceInfo *deviceInfo;
int numDevices;
int i;
numDevices = Pa_GetDeviceCount ();
if (numDevices < 0)
{
FLUID_LOG (FLUID_ERR, "PortAudio returned unexpected device count %d", numDevices);
goto error_recovery;
}
for (i = 0; i < numDevices; i++)
{
deviceInfo = Pa_GetDeviceInfo (i);
if (strcmp (device, deviceInfo->name) == 0)
{
outputParams.device = i;
numOutputs = deviceInfo->maxOutputChannels;
break;
}
}
if (i == numDevices)
{
FLUID_LOG (FLUID_ERR, "PortAudio device '%s' was not found", device);
goto error_recovery;
}
}
else outputParams.device = Pa_GetDefaultOutputDevice();
fluid_settings_getint(settings, "audio.portaudio.channelL", &(dev->chanL));
fluid_settings_getint(settings, "audio.portaudio.channelR", &(dev->chanR));
dev->chansOpen = 1 + ((dev->chanL > dev->chanR) ? dev->chanL : dev->chanR);
if (dev->chansOpen > numOutputs) {
// error
FLUID_LOG (FLUID_ERR, "One specified channel is greater than the maximum number of channels: L=%d, R=%d, max=%d\n", dev->chanL, dev->chanR, numOutputs-1);
goto error_recovery;
}
dev->buffer_size = period_size;
dev->buffers[0] = FLUID_ARRAY(float, dev->buffer_size);
dev->buffers[1] = FLUID_ARRAY(float, dev->buffer_size);
outputParams.channelCount = dev->chansOpen;
outputParams.suggestedLatency = (PaTime)period_size / sample_rate;
// force float format
outputParams.sampleFormat = paFloat32;
/* PortAudio section */
/* Open an audio I/O stream. */
err = Pa_OpenStream (&dev->stream,
NULL, /* Input parameters */
&outputParams,
sample_rate,
period_size,
paNoFlag,
fluid_portaudio_run,
dev);
if (err != paNoError)
{
FLUID_LOG (FLUID_ERR, "Error opening PortAudio stream: %s",
Pa_GetErrorText (err));
goto error_recovery;
}
err = Pa_StartStream (dev->stream);
if (err != paNoError)
{
FLUID_LOG (FLUID_ERR, "Error starting PortAudio stream: %s",
Pa_GetErrorText (err));
goto error_recovery;
}
if (device) FLUID_FREE (device); /* -- free device name */
return (fluid_audio_driver_t *)dev;
error_recovery:
if (device) FLUID_FREE (device); /* -- free device name */
delete_fluid_portaudio_driver ((fluid_audio_driver_t *)dev);
return NULL;
}
/*
* new_fluid_sndio_audio_driver
*/
fluid_audio_driver_t*
new_fluid_sndio_audio_driver(fluid_settings_t* settings, fluid_synth_t* synth)
{
fluid_sndio_audio_driver_t* dev = NULL;
double sample_rate;
int periods, period_size;
char* devname;
pthread_attr_t attr;
int err;
dev = FLUID_NEW(fluid_sndio_audio_driver_t);
if (dev == NULL) {
FLUID_LOG(FLUID_ERR, "Out of memory");
return NULL;
}
FLUID_MEMSET(dev, 0, sizeof(fluid_sndio_audio_driver_t));
fluid_settings_getint(settings, "audio.periods", &periods);
fluid_settings_getint(settings, "audio.period-size", &period_size);
fluid_settings_getnum(settings, "synth.sample-rate", &sample_rate);
dev->hdl = NULL;
dev->synth = synth;
dev->callback = NULL;
dev->data = NULL;
dev->cont = 1;
if (!fluid_settings_dupstr(settings, "audio.sndio.device", &devname)) {
devname = NULL;
}
dev->hdl = sio_open(devname, SIO_PLAY, 0);
if (dev->hdl == NULL) {
FLUID_LOG(FLUID_ERR, "sndio could not be opened for writing");
goto error_recovery;
}
sio_initpar(&dev->par);
if (fluid_settings_str_equal(settings, "audio.sample-format", "16bits")) {
dev->par.bits = 16;
dev->par.le = SIO_LE_NATIVE;
dev->read = fluid_synth_write_s16;
} else {
FLUID_LOG(FLUID_ERR, "Unknown sample format");
goto error_recovery;
}
dev->par.appbufsz = period_size * periods;
dev->par.round = period_size;
dev->par.pchan = 2;
dev->par.rate = sample_rate;
if (!sio_setpar(dev->hdl, &dev->par)) {
FLUID_LOG(FLUID_ERR, "Couldn't set sndio audio parameters");
goto error_recovery;
}
if (!sio_getpar(dev->hdl, &dev->par)) {
FLUID_LOG(FLUID_ERR, "Couldn't get sndio audio parameters");
goto error_recovery;
} else if (dev->par.pchan != 2 || dev->par.rate != sample_rate ||
dev->par.bits != 16) {
FLUID_LOG(FLUID_ERR, "Couldn't set sndio audio parameters as desired");
goto error_recovery;
}
dev->buffer_size = dev->par.round;
dev->buffer_byte_size = dev->par.round * dev->par.bps * dev->par.pchan;
dev->buffer = FLUID_MALLOC(dev->buffer_byte_size);
if (dev->buffer == NULL) {
FLUID_LOG(FLUID_ERR, "Out of memory");
goto error_recovery;
}
if (!sio_start(dev->hdl)) {
FLUID_LOG(FLUID_ERR, "Couldn't start sndio");
goto error_recovery;
}
if (pthread_attr_init(&attr)) {
FLUID_LOG(FLUID_ERR, "Couldn't initialize audio thread attributes");
goto error_recovery;
}
err = pthread_create(&dev->thread, &attr, fluid_sndio_audio_run, (void*) dev);
if (err) {
FLUID_LOG(FLUID_ERR, "Couldn't create audio thread");
goto error_recovery;
}
return (fluid_audio_driver_t*) dev;
error_recovery:
delete_fluid_sndio_audio_driver((fluid_audio_driver_t*) dev);
return NULL;
}
fluid_audio_driver_t*
new_fluid_sndio_audio_driver2(fluid_settings_t* settings, fluid_audio_func_t func, void* data)
{
fluid_sndio_audio_driver_t* dev = NULL;
double sample_rate;
int periods, period_size;
char* devname;
pthread_attr_t attr;
int err;
dev = FLUID_NEW(fluid_sndio_audio_driver_t);
if (dev == NULL) {
FLUID_LOG(FLUID_ERR, "Out of memory");
return NULL;
}
FLUID_MEMSET(dev, 0, sizeof(fluid_sndio_audio_driver_t));
fluid_settings_getint(settings, "audio.periods", &periods);
fluid_settings_getint(settings, "audio.period-size", &period_size);
fluid_settings_getnum(settings, "synth.sample-rate", &sample_rate);
dev->hdl = NULL;
dev->synth = NULL;
dev->read = NULL;
dev->callback = func;
dev->data = data;
dev->cont = 1;
if (!fluid_settings_dupstr(settings, "audio.sndio.device", &devname)) {
devname = NULL;
}
dev->hdl = sio_open(devname, SIO_PLAY, 0);
if (dev->hdl == NULL) {
FLUID_LOG(FLUID_ERR, "sndio could not be opened for writing");
goto error_recovery;
}
sio_initpar(&dev->par);
dev->par.appbufsz = period_size * periods;
dev->par.round = period_size;
dev->par.bits = 16;
dev->par.le = SIO_LE_NATIVE;
dev->par.pchan = 2;
dev->par.rate = sample_rate;
if (!sio_setpar(dev->hdl, &dev->par)){
FLUID_LOG(FLUID_ERR, "Can't configure sndio parameters");
goto error_recovery;
}
if (!sio_getpar(dev->hdl, &dev->par)) {
FLUID_LOG(FLUID_ERR, "Couldn't get sndio audio parameters");
goto error_recovery;
} else if (dev->par.pchan != 2 || dev->par.rate != sample_rate ||
dev->par.bits != 16) {
FLUID_LOG(FLUID_ERR, "Couldn't set sndio audio parameters as desired");
goto error_recovery;
}
dev->buffer_size = dev->par.round;
dev->buffer_byte_size = dev->par.round * dev->par.bps * dev->par.pchan;
/* allocate the buffers. FIXME!!! don't use interleaved samples */
dev->buffer = FLUID_MALLOC(dev->buffer_byte_size);
if (dev->buffer == NULL) {
FLUID_LOG(FLUID_ERR, "Out of memory");
goto error_recovery;
}
dev->buffers[0] = FLUID_ARRAY(float, dev->buffer_size);
dev->buffers[1] = FLUID_ARRAY(float, dev->buffer_size);
if ((dev->buffer == NULL) || (dev->buffers[0] == NULL) || (dev->buffers[1] == NULL)) {
FLUID_LOG(FLUID_ERR, "Out of memory");
goto error_recovery;
}
if (!sio_start(dev->hdl)) {
FLUID_LOG(FLUID_ERR, "Couldn't start sndio");
goto error_recovery;
}
if (pthread_attr_init(&attr)) {
FLUID_LOG(FLUID_ERR, "Couldn't initialize audio thread attributes");
goto error_recovery;
}
err = pthread_create(&dev->thread, &attr, fluid_sndio_audio_run2, (void*) dev);
if (err) {
FLUID_LOG(FLUID_ERR, "Couldn't create audio2 thread");
goto error_recovery;
}
return (fluid_audio_driver_t*) dev;
error_recovery:
delete_fluid_sndio_audio_driver((fluid_audio_driver_t*) dev);
return NULL;
}