static void print_ctl_info(AVFilterContext *ctx, int level,
LADSPAContext *s, int ctl, unsigned long *map,
LADSPA_Data *values, int print)
{
const LADSPA_PortRangeHint *h = s->desc->PortRangeHints + map[ctl];
av_log(ctx, level, "c%i: %s [", ctl, s->desc->PortNames[map[ctl]]);
if (LADSPA_IS_HINT_TOGGLED(h->HintDescriptor)) {
av_log(ctx, level, "toggled (1 or 0)");
if (LADSPA_IS_HINT_HAS_DEFAULT(h->HintDescriptor))
av_log(ctx, level, " (default %i)", (int)values[ctl]);
} else {
if (LADSPA_IS_HINT_INTEGER(h->HintDescriptor)) {
av_log(ctx, level, "<int>");
if (LADSPA_IS_HINT_BOUNDED_BELOW(h->HintDescriptor))
av_log(ctx, level, ", min: %i", (int)h->LowerBound);
if (LADSPA_IS_HINT_BOUNDED_ABOVE(h->HintDescriptor))
av_log(ctx, level, ", max: %i", (int)h->UpperBound);
if (print)
av_log(ctx, level, " (value %d)", (int)values[ctl]);
else if (LADSPA_IS_HINT_HAS_DEFAULT(h->HintDescriptor))
av_log(ctx, level, " (default %d)", (int)values[ctl]);
} else {
av_log(ctx, level, "<float>");
if (LADSPA_IS_HINT_BOUNDED_BELOW(h->HintDescriptor))
av_log(ctx, level, ", min: %f", h->LowerBound);
if (LADSPA_IS_HINT_BOUNDED_ABOVE(h->HintDescriptor))
av_log(ctx, level, ", max: %f", h->UpperBound);
if (print)
av_log(ctx, level, " (value %f)", values[ctl]);
else if (LADSPA_IS_HINT_HAS_DEFAULT(h->HintDescriptor))
av_log(ctx, level, " (default %f)", values[ctl]);
}
if (LADSPA_IS_HINT_SAMPLE_RATE(h->HintDescriptor))
av_log(ctx, level, ", multiple of sample rate");
if (LADSPA_IS_HINT_LOGARITHMIC(h->HintDescriptor))
av_log(ctx, level, ", logarithmic scale");
}
av_log(ctx, level, "]\n");
}
PRIVATE LADSPA_Data get_default( ControlDescriptor *control, LADSPA_PortRangeHintDescriptor hint ) {
if( LADSPA_IS_HINT_HAS_DEFAULT( hint ) ) {
if( LADSPA_IS_HINT_DEFAULT_MINIMUM( hint ) )
return control->min;
if( LADSPA_IS_HINT_DEFAULT_LOW( hint ) )
return control->min * 0.75 + control->max * 0.25;
if( LADSPA_IS_HINT_DEFAULT_MIDDLE( hint ) )
return control->min * 0.5 + control->max * 0.5;
if( LADSPA_IS_HINT_DEFAULT_HIGH( hint ) )
return control->min * 0.25 + control->max * 0.75;
if( LADSPA_IS_HINT_DEFAULT_MAXIMUM( hint ) )
return control->max;
if( LADSPA_IS_HINT_DEFAULT_0( hint ) )
return 0.0;
if( LADSPA_IS_HINT_DEFAULT_1( hint ) )
return 1.0;
if( LADSPA_IS_HINT_DEFAULT_100( hint ) )
return 100.0;
if( LADSPA_IS_HINT_DEFAULT_440( hint ) )
return 440.0;
printf( "plugins says it has default... but i cant find out.\n" );
return 0.0;
} else
return 0.0;
}
LADSPA_Data WiredLADSPAInstance::GetDefaultValue(t_gui_port *GuiPort, LADSPA_PortRangeHintDescriptor Descriptor)
{
if (LADSPA_IS_HINT_HAS_DEFAULT(Descriptor))
{
if(LADSPA_IS_HINT_DEFAULT_MINIMUM(Descriptor))
return GuiPort->LowerBound;
else if (LADSPA_IS_HINT_DEFAULT_LOW(Descriptor))
{
if (LADSPA_IS_HINT_LOGARITHMIC(Descriptor))
return (LADSPA_Data) expf(logf(GuiPort->LowerBound) * 0.75 + logf(GuiPort->UpperBound) * 0.25);
else
return (LADSPA_Data) GuiPort->LowerBound * 0.75 + GuiPort->UpperBound * 0.25;
}
else if (LADSPA_IS_HINT_DEFAULT_MIDDLE(Descriptor))
{
if (LADSPA_IS_HINT_LOGARITHMIC(Descriptor))
return (LADSPA_Data) expf(logf(GuiPort->LowerBound) * 0.5 + logf(GuiPort->UpperBound) * 0.5);
else
return (LADSPA_Data) GuiPort->LowerBound * 0.5 + GuiPort->UpperBound * 0.5;
}
else if (LADSPA_IS_HINT_DEFAULT_HIGH(Descriptor))
{
if (LADSPA_IS_HINT_LOGARITHMIC(Descriptor))
return (LADSPA_Data) expf(logf(GuiPort->LowerBound) * 0.25 + logf(GuiPort->UpperBound) * 0.75);
else
return (LADSPA_Data) GuiPort->LowerBound * 0.25 + GuiPort->UpperBound * 0.75;
}
else if (LADSPA_IS_HINT_DEFAULT_MAXIMUM(Descriptor))
return GuiPort->UpperBound;
else if (LADSPA_IS_HINT_DEFAULT_0(Descriptor))
return 0.0f;
else if (LADSPA_IS_HINT_DEFAULT_1(Descriptor))
return 1.0f;
else if (LADSPA_IS_HINT_DEFAULT_100(Descriptor))
return 100.0f;
else if (LADSPA_IS_HINT_DEFAULT_440(Descriptor))
return 440.0f;
}
return GuiPort->LowerBound;
}
//==============================================================================
void DssiPlugin::setDefaultProgram ()
{
if (ladspa == 0)
return;
// TODO - keep in a function instead !
for (int i = 0; i < pars.size (); i++)
{
const LADSPA_PortRangeHint* hint = & ladspa->PortRangeHints [pars [i]];
float lower = hint->LowerBound *
(LADSPA_IS_HINT_SAMPLE_RATE (hint->HintDescriptor) ? samplingRate : 1.0f);
float upper = hint->UpperBound *
(LADSPA_IS_HINT_SAMPLE_RATE (hint->HintDescriptor) ? samplingRate : 1.0f);
if (LADSPA_IS_HINT_HAS_DEFAULT (hint->HintDescriptor))
{
if (LADSPA_IS_HINT_DEFAULT_0 (hint->HintDescriptor))
{
normalized [i] = 0.0f;
params [i] = 0.0f;
}
if (LADSPA_IS_HINT_DEFAULT_1 (hint->HintDescriptor))
{
normalized [i] = 1.0f;
params [i] = 1.0f;
}
if (LADSPA_IS_HINT_DEFAULT_100 (hint->HintDescriptor))
{
normalized [i] = 100.0f;
params [i] = 0.5f;
}
if (LADSPA_IS_HINT_DEFAULT_440 (hint->HintDescriptor))
{
normalized [i] = 440.0f;
params [i] = 0.5f;
}
if (LADSPA_IS_HINT_BOUNDED_BELOW(hint->HintDescriptor)
&& LADSPA_IS_HINT_DEFAULT_MINIMUM (hint->HintDescriptor))
{
normalized [i] = lower;
params [i] = 0.0f;
}
if (LADSPA_IS_HINT_BOUNDED_BELOW(hint->HintDescriptor)
&& LADSPA_IS_HINT_DEFAULT_MINIMUM (hint->HintDescriptor))
{
normalized [i] = lower;
params [i] = 0.0f;
}
if (LADSPA_IS_HINT_BOUNDED_ABOVE(hint->HintDescriptor)
&& LADSPA_IS_HINT_DEFAULT_MAXIMUM (hint->HintDescriptor))
{
normalized [i] = upper;
params [i] = 1.0f;
}
if (LADSPA_IS_HINT_BOUNDED_BELOW(hint->HintDescriptor))
{
if (LADSPA_IS_HINT_LOGARITHMIC(hint->HintDescriptor)
&& lower > 0.0f && upper > 0.0f)
{
if (LADSPA_IS_HINT_DEFAULT_LOW(hint->HintDescriptor)) {
normalized [i] = expf(logf(lower) * 0.75f + logf(upper) * 0.25f);
params [i] = 0.25f;
} else if (LADSPA_IS_HINT_DEFAULT_MIDDLE(hint->HintDescriptor)) {
normalized [i] = expf(logf(lower) * 0.5f + logf(upper) * 0.5f);
params [i] = 0.5f;
} else if (LADSPA_IS_HINT_DEFAULT_HIGH(hint->HintDescriptor)) {
normalized [i] = expf(logf(lower) * 0.25f + logf(upper) * 0.75f);
params [i] = 0.75f;
}
}
else
{
if (LADSPA_IS_HINT_DEFAULT_LOW(hint->HintDescriptor)) {
normalized [i] = lower * 0.75f + upper * 0.25f;
params [i] = 0.25f;
} else if (LADSPA_IS_HINT_DEFAULT_MIDDLE(hint->HintDescriptor)) {
normalized [i] = lower * 0.5f + upper * 0.5f;
params [i] = 0.5f;
} else if (LADSPA_IS_HINT_DEFAULT_HIGH(hint->HintDescriptor)) {
normalized [i] = lower * 0.25f + upper * 0.75f;
params [i] = 0.75f;
}
}
}
}
else
{
normalized [i] = 0.0f;
params [i] = 0.0f;
}
}
}
static av_cold int init(AVFilterContext *ctx)
{
LADSPAContext *s = ctx->priv;
LADSPA_Descriptor_Function descriptor_fn;
const LADSPA_Descriptor *desc;
LADSPA_PortDescriptor pd;
AVFilterPad pad = { NULL };
char *p, *arg, *saveptr = NULL;
unsigned long nb_ports;
int i;
if (!s->dl_name) {
av_log(ctx, AV_LOG_ERROR, "No plugin name provided\n");
return AVERROR(EINVAL);
}
if (s->dl_name[0] == '/' || s->dl_name[0] == '.') {
// argument is a path
s->dl_handle = dlopen(s->dl_name, RTLD_LOCAL|RTLD_NOW);
} else {
// argument is a shared object name
char *paths = av_strdup(getenv("LADSPA_PATH"));
const char *separator = ":";
if (paths) {
p = paths;
while ((arg = av_strtok(p, separator, &saveptr)) && !s->dl_handle) {
s->dl_handle = try_load(arg, s->dl_name);
p = NULL;
}
}
av_free(paths);
if (!s->dl_handle && (paths = av_asprintf("%s/.ladspa/lib", getenv("HOME")))) {
s->dl_handle = try_load(paths, s->dl_name);
av_free(paths);
}
if (!s->dl_handle)
s->dl_handle = try_load("/usr/local/lib/ladspa", s->dl_name);
if (!s->dl_handle)
s->dl_handle = try_load("/usr/lib/ladspa", s->dl_name);
}
if (!s->dl_handle) {
av_log(ctx, AV_LOG_ERROR, "Failed to load '%s'\n", s->dl_name);
return AVERROR(EINVAL);
}
descriptor_fn = dlsym(s->dl_handle, "ladspa_descriptor");
if (!descriptor_fn) {
av_log(ctx, AV_LOG_ERROR, "Could not find ladspa_descriptor: %s\n", dlerror());
return AVERROR(EINVAL);
}
// Find the requested plugin, or list plugins
if (!s->plugin) {
av_log(ctx, AV_LOG_INFO, "The '%s' library contains the following plugins:\n", s->dl_name);
av_log(ctx, AV_LOG_INFO, "I = Input Channels\n");
av_log(ctx, AV_LOG_INFO, "O = Output Channels\n");
av_log(ctx, AV_LOG_INFO, "I:O %-25s %s\n", "Plugin", "Description");
av_log(ctx, AV_LOG_INFO, "\n");
for (i = 0; desc = descriptor_fn(i); i++) {
unsigned long inputs = 0, outputs = 0;
count_ports(desc, &inputs, &outputs);
av_log(ctx, AV_LOG_INFO, "%lu:%lu %-25s %s\n", inputs, outputs, desc->Label,
av_x_if_null(desc->Name, "?"));
av_log(ctx, AV_LOG_VERBOSE, "Maker: %s\n", av_x_if_null(desc->Maker, "?"));
av_log(ctx, AV_LOG_VERBOSE, "Copyright: %s\n", av_x_if_null(desc->Copyright, "?"));
}
return AVERROR_EXIT;
} else {
for (i = 0;; i++) {
desc = descriptor_fn(i);
if (!desc) {
av_log(ctx, AV_LOG_ERROR, "Could not find plugin: %s\n", s->plugin);
return AVERROR(EINVAL);
}
if (desc->Label && !strcmp(desc->Label, s->plugin))
break;
}
}
s->desc = desc;
nb_ports = desc->PortCount;
s->ipmap = av_calloc(nb_ports, sizeof(*s->ipmap));
s->opmap = av_calloc(nb_ports, sizeof(*s->opmap));
s->icmap = av_calloc(nb_ports, sizeof(*s->icmap));
s->ocmap = av_calloc(nb_ports, sizeof(*s->ocmap));
s->ictlv = av_calloc(nb_ports, sizeof(*s->ictlv));
s->octlv = av_calloc(nb_ports, sizeof(*s->octlv));
s->ctl_needs_value = av_calloc(nb_ports, sizeof(*s->ctl_needs_value));
if (!s->ipmap || !s->opmap || !s->icmap ||
!s->ocmap || !s->ictlv || !s->octlv || !s->ctl_needs_value)
return AVERROR(ENOMEM);
for (i = 0; i < nb_ports; i++) {
pd = desc->PortDescriptors[i];
if (LADSPA_IS_PORT_AUDIO(pd)) {
if (LADSPA_IS_PORT_INPUT(pd)) {
s->ipmap[s->nb_inputs] = i;
s->nb_inputs++;
} else if (LADSPA_IS_PORT_OUTPUT(pd)) {
s->opmap[s->nb_outputs] = i;
s->nb_outputs++;
}
} else if (LADSPA_IS_PORT_CONTROL(pd)) {
if (LADSPA_IS_PORT_INPUT(pd)) {
s->icmap[s->nb_inputcontrols] = i;
if (LADSPA_IS_HINT_HAS_DEFAULT(desc->PortRangeHints[i].HintDescriptor))
set_default_ctl_value(s, s->nb_inputcontrols, s->icmap, s->ictlv);
else
s->ctl_needs_value[s->nb_inputcontrols] = 1;
s->nb_inputcontrols++;
} else if (LADSPA_IS_PORT_OUTPUT(pd)) {
s->ocmap[s->nb_outputcontrols] = i;
s->nb_outputcontrols++;
}
}
}
// List Control Ports if "help" is specified
if (s->options && !strcmp(s->options, "help")) {
if (!s->nb_inputcontrols) {
av_log(ctx, AV_LOG_INFO,
"The '%s' plugin does not have any input controls.\n",
desc->Label);
} else {
av_log(ctx, AV_LOG_INFO,
"The '%s' plugin has the following input controls:\n",
desc->Label);
for (i = 0; i < s->nb_inputcontrols; i++)
print_ctl_info(ctx, AV_LOG_INFO, s, i, s->icmap, s->ictlv, 0);
}
return AVERROR_EXIT;
}
// Parse control parameters
p = s->options;
while (s->options) {
LADSPA_Data val;
int ret;
if (!(arg = av_strtok(p, "|", &saveptr)))
break;
p = NULL;
if (sscanf(arg, "c%d=%f", &i, &val) != 2) {
av_log(ctx, AV_LOG_ERROR, "Invalid syntax.\n");
return AVERROR(EINVAL);
}
if ((ret = set_control(ctx, i, val)) < 0)
return ret;
s->ctl_needs_value[i] = 0;
}
// Check if any controls are not set
for (i = 0; i < s->nb_inputcontrols; i++) {
if (s->ctl_needs_value[i]) {
av_log(ctx, AV_LOG_ERROR, "Control c%d must be set.\n", i);
print_ctl_info(ctx, AV_LOG_ERROR, s, i, s->icmap, s->ictlv, 0);
return AVERROR(EINVAL);
}
}
pad.type = AVMEDIA_TYPE_AUDIO;
if (s->nb_inputs) {
pad.name = av_asprintf("in0:%s%lu", desc->Label, s->nb_inputs);
if (!pad.name)
return AVERROR(ENOMEM);
pad.filter_frame = filter_frame;
pad.config_props = config_input;
if (ff_insert_inpad(ctx, ctx->nb_inputs, &pad) < 0) {
av_freep(&pad.name);
return AVERROR(ENOMEM);
}
}
av_log(ctx, AV_LOG_DEBUG, "ports: %lu\n", nb_ports);
av_log(ctx, AV_LOG_DEBUG, "inputs: %lu outputs: %lu\n",
s->nb_inputs, s->nb_outputs);
av_log(ctx, AV_LOG_DEBUG, "input controls: %lu output controls: %lu\n",
s->nb_inputcontrols, s->nb_outputcontrols);
return 0;
}
LADSPA_Data
plugin_desc_get_default_control_value (plugin_desc_t * pd, unsigned long port_index, guint32 sample_rate)
{
LADSPA_Data upper, lower;
LADSPA_PortRangeHintDescriptor hint_descriptor;
hint_descriptor = pd->port_range_hints[port_index].HintDescriptor;
/* set upper and lower, possibly adjusted to the sample rate */
if (LADSPA_IS_HINT_SAMPLE_RATE(hint_descriptor)) {
upper = pd->port_range_hints[port_index].UpperBound * (LADSPA_Data) sample_rate;
lower = pd->port_range_hints[port_index].LowerBound * (LADSPA_Data) sample_rate;
} else {
upper = pd->port_range_hints[port_index].UpperBound;
lower = pd->port_range_hints[port_index].LowerBound;
}
if (LADSPA_IS_HINT_LOGARITHMIC(hint_descriptor))
{
if (lower < FLT_EPSILON)
lower = FLT_EPSILON;
}
if (LADSPA_IS_HINT_HAS_DEFAULT(hint_descriptor)) {
if (LADSPA_IS_HINT_DEFAULT_MINIMUM(hint_descriptor)) {
return lower;
} else if (LADSPA_IS_HINT_DEFAULT_LOW(hint_descriptor)) {
if (LADSPA_IS_HINT_LOGARITHMIC(hint_descriptor)) {
return exp(log(lower) * 0.75 + log(upper) * 0.25);
} else {
return lower * 0.75 + upper * 0.25;
}
} else if (LADSPA_IS_HINT_DEFAULT_MIDDLE(hint_descriptor)) {
if (LADSPA_IS_HINT_LOGARITHMIC(hint_descriptor)) {
return exp(log(lower) * 0.5 + log(upper) * 0.5);
} else {
return lower * 0.5 + upper * 0.5;
}
} else if (LADSPA_IS_HINT_DEFAULT_HIGH(hint_descriptor)) {
if (LADSPA_IS_HINT_LOGARITHMIC(hint_descriptor)) {
return exp(log(lower) * 0.25 + log(upper) * 0.75);
} else {
return lower * 0.25 + upper * 0.75;
}
} else if (LADSPA_IS_HINT_DEFAULT_MAXIMUM(hint_descriptor)) {
return upper;
} else if (LADSPA_IS_HINT_DEFAULT_0(hint_descriptor)) {
return 0.0;
} else if (LADSPA_IS_HINT_DEFAULT_1(hint_descriptor)) {
if (LADSPA_IS_HINT_SAMPLE_RATE(hint_descriptor)) {
return (LADSPA_Data) sample_rate;
} else {
return 1.0;
}
} else if (LADSPA_IS_HINT_DEFAULT_100(hint_descriptor)) {
if (LADSPA_IS_HINT_SAMPLE_RATE(hint_descriptor)) {
return 100.0 * (LADSPA_Data) sample_rate;
} else {
return 100.0;
}
} else if (LADSPA_IS_HINT_DEFAULT_440(hint_descriptor)) {
if (LADSPA_IS_HINT_SAMPLE_RATE(hint_descriptor)) {
return 440.0 * (LADSPA_Data) sample_rate;
} else {
return 440.0;
}
}
} else { /* try and find a reasonable default */
if (LADSPA_IS_HINT_BOUNDED_BELOW(hint_descriptor)) {
return lower;
} else if (LADSPA_IS_HINT_BOUNDED_ABOVE(hint_descriptor)) {
return upper;
}
}
return 0.0;
}
static GParamSpec *
gst_ladspa_class_get_param_spec (GstLADSPAClass * klass, gint portnum)
{
LADSPA_Descriptor *desc;
GParamSpec *ret;
gchar *name;
gint hintdesc, perms;
gfloat lower, upper, def;
desc = klass->descriptor;
name = gst_ladspa_class_get_param_name (klass, portnum);
perms = G_PARAM_READABLE;
if (LADSPA_IS_PORT_INPUT (desc->PortDescriptors[portnum]))
perms |= G_PARAM_WRITABLE | G_PARAM_CONSTRUCT;
if (LADSPA_IS_PORT_CONTROL (desc->PortDescriptors[portnum]))
perms |= GST_PARAM_CONTROLLABLE;
/* short name for hint descriptor */
hintdesc = desc->PortRangeHints[portnum].HintDescriptor;
if (LADSPA_IS_HINT_TOGGLED (hintdesc)) {
ret = g_param_spec_boolean (name, name, name, FALSE, perms);
g_free (name);
return ret;
}
if (LADSPA_IS_HINT_BOUNDED_BELOW (hintdesc))
lower = desc->PortRangeHints[portnum].LowerBound;
else
lower = -G_MAXFLOAT;
if (LADSPA_IS_HINT_BOUNDED_ABOVE (hintdesc))
upper = desc->PortRangeHints[portnum].UpperBound;
else
upper = G_MAXFLOAT;
if (LADSPA_IS_HINT_SAMPLE_RATE (hintdesc)) {
/* FIXME! */
lower *= 44100;
upper *= 44100;
}
if (LADSPA_IS_HINT_INTEGER (hintdesc)) {
lower = CLAMP (lower, G_MININT, G_MAXINT);
upper = CLAMP (upper, G_MININT, G_MAXINT);
}
/* default to lower bound */
def = lower;
#ifdef LADSPA_IS_HINT_HAS_DEFAULT
if (LADSPA_IS_HINT_HAS_DEFAULT (hintdesc)) {
if (LADSPA_IS_HINT_DEFAULT_0 (hintdesc))
def = 0.0;
else if (LADSPA_IS_HINT_DEFAULT_1 (hintdesc))
def = 1.0;
else if (LADSPA_IS_HINT_DEFAULT_100 (hintdesc))
def = 100.0;
else if (LADSPA_IS_HINT_DEFAULT_440 (hintdesc))
def = 440.0;
if (LADSPA_IS_HINT_DEFAULT_MINIMUM (hintdesc))
def = lower;
else if (LADSPA_IS_HINT_DEFAULT_MAXIMUM (hintdesc))
def = upper;
else if (LADSPA_IS_HINT_LOGARITHMIC (hintdesc)) {
if (LADSPA_IS_HINT_DEFAULT_LOW (hintdesc))
def = exp (0.75 * log (lower) + 0.25 * log (upper));
else if (LADSPA_IS_HINT_DEFAULT_MIDDLE (hintdesc))
def = exp (0.5 * log (lower) + 0.5 * log (upper));
else if (LADSPA_IS_HINT_DEFAULT_HIGH (hintdesc))
def = exp (0.25 * log (lower) + 0.75 * log (upper));
} else {
if (LADSPA_IS_HINT_DEFAULT_LOW (hintdesc))
def = 0.75 * lower + 0.25 * upper;
else if (LADSPA_IS_HINT_DEFAULT_MIDDLE (hintdesc))
def = 0.5 * lower + 0.5 * upper;
else if (LADSPA_IS_HINT_DEFAULT_HIGH (hintdesc))
def = 0.25 * lower + 0.75 * upper;
}
}
#endif /* LADSPA_IS_HINT_HAS_DEFAULT */
if (lower > upper) {
gfloat tmp;
/* silently swap */
tmp = lower;
lower = upper;
upper = tmp;
}
def = CLAMP (def, lower, upper);
if (LADSPA_IS_HINT_INTEGER (hintdesc)) {
ret = g_param_spec_int (name, name, name, lower, upper, def, perms);
} else {
ret = g_param_spec_float (name, name, name, lower, upper, def, perms);
}
g_free (name);
return ret;
}
int lp_ladspa_knob_float::init(const LADSPA_Descriptor *descriptor,
unsigned long port,
int samplerate)
{
LADSPA_Data f_val, f_low, f_high;
if(descriptor == 0){
std::cerr << "lp_ladspa_slider_int::" << __FUNCTION__ << ": pdescriptor is Null\n";
return -1;
}
pv_samplerate = samplerate;
LADSPA_PortRangeHintDescriptor hints;
hints = descriptor->PortRangeHints[port].HintDescriptor;
LADSPA_PortRangeHint range_hints;
range_hints = descriptor->PortRangeHints[port];
if(LADSPA_IS_HINT_BOUNDED_BELOW(hints)){
f_val = range_hints.LowerBound;
if(LADSPA_IS_HINT_SAMPLE_RATE(hints) && f_val != 0){
f_val = f_val * (LADSPA_Data)pv_samplerate;
}
pv_low_val = (double)f_val;
f_low = f_val;
}else{
// Set a default val
pv_low_val = pv_default_low_val;
f_low = (LADSPA_Data)pv_default_low_val;
}
if(LADSPA_IS_HINT_BOUNDED_ABOVE(hints)){
f_val = range_hints.UpperBound;
if(LADSPA_IS_HINT_SAMPLE_RATE(hints) && f_val != 0){
f_val = f_val * (LADSPA_Data)pv_samplerate;
}
pv_high_val = (double)f_val;
f_high = f_val;
}else{
// Set a default val
pv_high_val = pv_default_high_val;
f_high = (LADSPA_Data)pv_default_high_val;
}
if(LADSPA_IS_HINT_LOGARITHMIC(hints)){
pv_is_log = true;
// verifiy we have somthing else than 0
if(pv_low_val == 0){
pv_low_val = pv_default_low_val;
}
if(pv_high_val == 0){
pv_high_val = pv_default_high_val;
}
// Set the log scale
kb_val->setScaleEngine(log10_scale_engine);
kb_val->setScale(pv_low_val, pv_high_val);
// Set this range to the spinbox
sp_val->setRange(pv_low_val, pv_high_val);
// Calcule the slider range
double d_low, d_high;
d_low = log10(pv_low_val);
d_high = log10(pv_high_val);
// Set range to the slider
kb_val->setRange(d_low, d_high);
}else{
// Set range to the slider and spinbox
kb_val->setRange(pv_low_val, pv_high_val);
sp_val->setRange(pv_low_val, pv_high_val);
}
// Store the range in f_val's
f_low = (LADSPA_Data)pv_low_val;
f_high = (LADSPA_Data)pv_high_val;
// Default values
if(LADSPA_IS_HINT_HAS_DEFAULT(hints)){
if(LADSPA_IS_HINT_DEFAULT_MINIMUM(hints)){
pv_def_val = pv_low_val;
}
if(LADSPA_IS_HINT_DEFAULT_MAXIMUM(hints)){
pv_def_val = pv_high_val;
}
if(LADSPA_IS_HINT_DEFAULT_LOW(hints)){
if(LADSPA_IS_HINT_LOGARITHMIC(hints)){
f_val = exp(log(f_low)*0.75f + log(f_high)*0.25f);
}else{
f_val = (f_low*0.75f + f_high*0.25f);
}
}
if(LADSPA_IS_HINT_DEFAULT_MIDDLE(hints)){
if(LADSPA_IS_HINT_LOGARITHMIC(hints)){
f_val = exp(log(f_low)*0.5f + log(f_high)*0.5f);
}else{
f_val = (f_low*0.5f + f_high*0.5f);
}
}
if(LADSPA_IS_HINT_DEFAULT_HIGH(hints)){
if(LADSPA_IS_HINT_LOGARITHMIC(hints)){
f_val = exp(log(f_low)*0.25f + log(f_high)*0.75f);
}else{
f_val = (f_low*0.25f + f_high*0.75f);
}
}
if(LADSPA_IS_HINT_DEFAULT_0(hints)){
f_val = 0.0f;
}
if(LADSPA_IS_HINT_DEFAULT_1(hints)){
f_val = 1.0f;
}
if(LADSPA_IS_HINT_DEFAULT_100(hints)){
f_val = 100.0f;
}
if(LADSPA_IS_HINT_DEFAULT_440(hints)){
f_val = 440.0f;
}
// Set default value
pv_def_val = (double)f_val;
}else{
pv_def_val = pv_low_val;
}
txt_name->setText(descriptor->PortNames[port]);
// set the middle value
set_def_val();
emit_changed(pv_def_val);
return 0;
}
int pa__init(pa_module*m) {
struct userdata *u;
pa_sample_spec ss;
pa_channel_map map;
pa_modargs *ma;
char *t;
pa_sink *master;
pa_sink_input_new_data sink_input_data;
pa_sink_new_data sink_data;
const char *plugin, *label;
LADSPA_Descriptor_Function descriptor_func;
const char *e, *cdata;
const LADSPA_Descriptor *d;
unsigned long input_port, output_port, p, j, n_control;
unsigned c;
pa_bool_t *use_default = NULL;
pa_assert(m);
pa_assert_cc(sizeof(LADSPA_Data) == sizeof(float));
if (!(ma = pa_modargs_new(m->argument, valid_modargs))) {
pa_log("Failed to parse module arguments.");
goto fail;
}
if (!(master = pa_namereg_get(m->core, pa_modargs_get_value(ma, "master", NULL), PA_NAMEREG_SINK))) {
pa_log("Master sink not found");
goto fail;
}
ss = master->sample_spec;
ss.format = PA_SAMPLE_FLOAT32;
map = master->channel_map;
if (pa_modargs_get_sample_spec_and_channel_map(ma, &ss, &map, PA_CHANNEL_MAP_DEFAULT) < 0) {
pa_log("Invalid sample format specification or channel map");
goto fail;
}
if (!(plugin = pa_modargs_get_value(ma, "plugin", NULL))) {
pa_log("Missing LADSPA plugin name");
goto fail;
}
if (!(label = pa_modargs_get_value(ma, "label", NULL))) {
pa_log("Missing LADSPA plugin label");
goto fail;
}
cdata = pa_modargs_get_value(ma, "control", NULL);
u = pa_xnew0(struct userdata, 1);
u->module = m;
m->userdata = u;
u->memblockq = pa_memblockq_new(0, MEMBLOCKQ_MAXLENGTH, 0, pa_frame_size(&ss), 1, 1, 0, NULL);
if (!(e = getenv("LADSPA_PATH")))
e = LADSPA_PATH;
/* FIXME: This is not exactly thread safe */
t = pa_xstrdup(lt_dlgetsearchpath());
lt_dlsetsearchpath(e);
m->dl = lt_dlopenext(plugin);
lt_dlsetsearchpath(t);
pa_xfree(t);
if (!m->dl) {
pa_log("Failed to load LADSPA plugin: %s", lt_dlerror());
goto fail;
}
if (!(descriptor_func = (LADSPA_Descriptor_Function) pa_load_sym(m->dl, NULL, "ladspa_descriptor"))) {
pa_log("LADSPA module lacks ladspa_descriptor() symbol.");
goto fail;
}
for (j = 0;; j++) {
if (!(d = descriptor_func(j))) {
pa_log("Failed to find plugin label '%s' in plugin '%s'.", label, plugin);
goto fail;
}
if (strcmp(d->Label, label) == 0)
break;
}
u->descriptor = d;
pa_log_debug("Module: %s", plugin);
pa_log_debug("Label: %s", d->Label);
pa_log_debug("Unique ID: %lu", d->UniqueID);
pa_log_debug("Name: %s", d->Name);
pa_log_debug("Maker: %s", d->Maker);
pa_log_debug("Copyright: %s", d->Copyright);
input_port = output_port = (unsigned long) -1;
n_control = 0;
for (p = 0; p < d->PortCount; p++) {
if (LADSPA_IS_PORT_INPUT(d->PortDescriptors[p]) && LADSPA_IS_PORT_AUDIO(d->PortDescriptors[p])) {
if (strcmp(d->PortNames[p], "Input") == 0) {
pa_assert(input_port == (unsigned long) -1);
input_port = p;
} else {
pa_log("Found audio input port on plugin we cannot handle: %s", d->PortNames[p]);
goto fail;
}
} else if (LADSPA_IS_PORT_OUTPUT(d->PortDescriptors[p]) && LADSPA_IS_PORT_AUDIO(d->PortDescriptors[p])) {
if (strcmp(d->PortNames[p], "Output") == 0) {
pa_assert(output_port == (unsigned long) -1);
output_port = p;
} else {
pa_log("Found audio output port on plugin we cannot handle: %s", d->PortNames[p]);
goto fail;
}
} else if (LADSPA_IS_PORT_INPUT(d->PortDescriptors[p]) && LADSPA_IS_PORT_CONTROL(d->PortDescriptors[p]))
n_control++;
else {
pa_assert(LADSPA_IS_PORT_OUTPUT(d->PortDescriptors[p]) && LADSPA_IS_PORT_CONTROL(d->PortDescriptors[p]));
pa_log_debug("Ignored control output port \"%s\".", d->PortNames[p]);
}
}
if ((input_port == (unsigned long) -1) || (output_port == (unsigned long) -1)) {
pa_log("Failed to identify input and output ports. "
"Right now this module can only deal with plugins which provide an 'Input' and an 'Output' audio port. "
"Patches welcome!");
goto fail;
}
u->block_size = pa_frame_align(pa_mempool_block_size_max(m->core->mempool), &ss);
u->input = (LADSPA_Data*) pa_xnew(uint8_t, (unsigned) u->block_size);
if (LADSPA_IS_INPLACE_BROKEN(d->Properties))
u->output = (LADSPA_Data*) pa_xnew(uint8_t, (unsigned) u->block_size);
else
u->output = u->input;
u->channels = ss.channels;
for (c = 0; c < ss.channels; c++) {
if (!(u->handle[c] = d->instantiate(d, ss.rate))) {
pa_log("Failed to instantiate plugin %s with label %s for channel %i", plugin, d->Label, c);
goto fail;
}
d->connect_port(u->handle[c], input_port, u->input);
d->connect_port(u->handle[c], output_port, u->output);
}
if (!cdata && n_control > 0) {
pa_log("This plugin requires specification of %lu control parameters.", n_control);
goto fail;
}
if (n_control > 0) {
const char *state = NULL;
char *k;
unsigned long h;
u->control = pa_xnew(LADSPA_Data, (unsigned) n_control);
use_default = pa_xnew(pa_bool_t, (unsigned) n_control);
p = 0;
while ((k = pa_split(cdata, ",", &state)) && p < n_control) {
double f;
if (*k == 0) {
use_default[p++] = TRUE;
pa_xfree(k);
continue;
}
if (pa_atod(k, &f) < 0) {
pa_log("Failed to parse control value '%s'", k);
pa_xfree(k);
goto fail;
}
pa_xfree(k);
use_default[p] = FALSE;
u->control[p++] = (LADSPA_Data) f;
}
/* The previous loop doesn't take the last control value into account
if it is left empty, so we do it here. */
if (*cdata == 0 || cdata[strlen(cdata) - 1] == ',') {
if (p < n_control)
use_default[p] = TRUE;
p++;
}
if (p > n_control || k) {
pa_log("Too many control values passed, %lu expected.", n_control);
pa_xfree(k);
goto fail;
}
if (p < n_control) {
pa_log("Not enough control values passed, %lu expected, %lu passed.", n_control, p);
goto fail;
}
h = 0;
for (p = 0; p < d->PortCount; p++) {
LADSPA_PortRangeHintDescriptor hint = d->PortRangeHints[p].HintDescriptor;
if (!LADSPA_IS_PORT_CONTROL(d->PortDescriptors[p]))
continue;
if (LADSPA_IS_PORT_OUTPUT(d->PortDescriptors[p])) {
for (c = 0; c < ss.channels; c++)
d->connect_port(u->handle[c], p, &u->control_out);
continue;
}
pa_assert(h < n_control);
if (use_default[h]) {
LADSPA_Data lower, upper;
if (!LADSPA_IS_HINT_HAS_DEFAULT(hint)) {
pa_log("Control port value left empty but plugin defines no default.");
goto fail;
}
lower = d->PortRangeHints[p].LowerBound;
upper = d->PortRangeHints[p].UpperBound;
if (LADSPA_IS_HINT_SAMPLE_RATE(hint)) {
lower *= (LADSPA_Data) ss.rate;
upper *= (LADSPA_Data) ss.rate;
}
switch (hint & LADSPA_HINT_DEFAULT_MASK) {
case LADSPA_HINT_DEFAULT_MINIMUM:
u->control[h] = lower;
break;
case LADSPA_HINT_DEFAULT_MAXIMUM:
u->control[h] = upper;
break;
case LADSPA_HINT_DEFAULT_LOW:
if (LADSPA_IS_HINT_LOGARITHMIC(hint))
u->control[h] = (LADSPA_Data) exp(log(lower) * 0.75 + log(upper) * 0.25);
else
u->control[h] = (LADSPA_Data) (lower * 0.75 + upper * 0.25);
break;
case LADSPA_HINT_DEFAULT_MIDDLE:
if (LADSPA_IS_HINT_LOGARITHMIC(hint))
u->control[h] = (LADSPA_Data) exp(log(lower) * 0.5 + log(upper) * 0.5);
else
u->control[h] = (LADSPA_Data) (lower * 0.5 + upper * 0.5);
break;
case LADSPA_HINT_DEFAULT_HIGH:
if (LADSPA_IS_HINT_LOGARITHMIC(hint))
u->control[h] = (LADSPA_Data) exp(log(lower) * 0.25 + log(upper) * 0.75);
else
u->control[h] = (LADSPA_Data) (lower * 0.25 + upper * 0.75);
break;
case LADSPA_HINT_DEFAULT_0:
u->control[h] = 0;
break;
case LADSPA_HINT_DEFAULT_1:
u->control[h] = 1;
break;
case LADSPA_HINT_DEFAULT_100:
u->control[h] = 100;
break;
case LADSPA_HINT_DEFAULT_440:
u->control[h] = 440;
break;
default:
pa_assert_not_reached();
}
}
if (LADSPA_IS_HINT_INTEGER(hint))
u->control[h] = roundf(u->control[h]);
pa_log_debug("Binding %f to port %s", u->control[h], d->PortNames[p]);
for (c = 0; c < ss.channels; c++)
d->connect_port(u->handle[c], p, &u->control[h]);
h++;
}
pa_assert(h == n_control);
}
if (d->activate)
for (c = 0; c < u->channels; c++)
d->activate(u->handle[c]);
/* Create sink */
pa_sink_new_data_init(&sink_data);
sink_data.driver = __FILE__;
sink_data.module = m;
if (!(sink_data.name = pa_xstrdup(pa_modargs_get_value(ma, "sink_name", NULL))))
sink_data.name = pa_sprintf_malloc("%s.ladspa", master->name);
pa_sink_new_data_set_sample_spec(&sink_data, &ss);
pa_sink_new_data_set_channel_map(&sink_data, &map);
pa_proplist_sets(sink_data.proplist, PA_PROP_DEVICE_MASTER_DEVICE, master->name);
pa_proplist_sets(sink_data.proplist, PA_PROP_DEVICE_CLASS, "filter");
pa_proplist_sets(sink_data.proplist, "device.ladspa.module", plugin);
pa_proplist_sets(sink_data.proplist, "device.ladspa.label", d->Label);
pa_proplist_sets(sink_data.proplist, "device.ladspa.name", d->Name);
pa_proplist_sets(sink_data.proplist, "device.ladspa.maker", d->Maker);
pa_proplist_sets(sink_data.proplist, "device.ladspa.copyright", d->Copyright);
pa_proplist_setf(sink_data.proplist, "device.ladspa.unique_id", "%lu", (unsigned long) d->UniqueID);
if (pa_modargs_get_proplist(ma, "sink_properties", sink_data.proplist, PA_UPDATE_REPLACE) < 0) {
pa_log("Invalid properties");
pa_sink_new_data_done(&sink_data);
goto fail;
}
if ((u->auto_desc = !pa_proplist_contains(sink_data.proplist, PA_PROP_DEVICE_DESCRIPTION))) {
const char *z;
z = pa_proplist_gets(master->proplist, PA_PROP_DEVICE_DESCRIPTION);
pa_proplist_setf(sink_data.proplist, PA_PROP_DEVICE_DESCRIPTION, "LADSPA Plugin %s on %s", d->Name, z ? z : master->name);
}
u->sink = pa_sink_new(m->core, &sink_data,
PA_SINK_HW_MUTE_CTRL|PA_SINK_HW_VOLUME_CTRL|PA_SINK_DECIBEL_VOLUME|
(master->flags & (PA_SINK_LATENCY|PA_SINK_DYNAMIC_LATENCY)));
pa_sink_new_data_done(&sink_data);
if (!u->sink) {
pa_log("Failed to create sink.");
goto fail;
}
u->sink->parent.process_msg = sink_process_msg_cb;
u->sink->set_state = sink_set_state_cb;
u->sink->update_requested_latency = sink_update_requested_latency_cb;
u->sink->request_rewind = sink_request_rewind_cb;
u->sink->set_volume = sink_set_volume_cb;
u->sink->set_mute = sink_set_mute_cb;
u->sink->userdata = u;
pa_sink_set_asyncmsgq(u->sink, master->asyncmsgq);
/* Create sink input */
pa_sink_input_new_data_init(&sink_input_data);
sink_input_data.driver = __FILE__;
sink_input_data.module = m;
sink_input_data.sink = master;
pa_proplist_sets(sink_input_data.proplist, PA_PROP_MEDIA_NAME, "LADSPA Stream");
pa_proplist_sets(sink_input_data.proplist, PA_PROP_MEDIA_ROLE, "filter");
pa_sink_input_new_data_set_sample_spec(&sink_input_data, &ss);
pa_sink_input_new_data_set_channel_map(&sink_input_data, &map);
pa_sink_input_new(&u->sink_input, m->core, &sink_input_data);
pa_sink_input_new_data_done(&sink_input_data);
if (!u->sink_input)
goto fail;
u->sink_input->pop = sink_input_pop_cb;
u->sink_input->process_rewind = sink_input_process_rewind_cb;
u->sink_input->update_max_rewind = sink_input_update_max_rewind_cb;
u->sink_input->update_max_request = sink_input_update_max_request_cb;
u->sink_input->update_sink_latency_range = sink_input_update_sink_latency_range_cb;
u->sink_input->update_sink_fixed_latency = sink_input_update_sink_fixed_latency_cb;
u->sink_input->kill = sink_input_kill_cb;
u->sink_input->attach = sink_input_attach_cb;
u->sink_input->detach = sink_input_detach_cb;
u->sink_input->state_change = sink_input_state_change_cb;
u->sink_input->may_move_to = sink_input_may_move_to_cb;
u->sink_input->moving = sink_input_moving_cb;
u->sink_input->volume_changed = sink_input_volume_changed_cb;
u->sink_input->mute_changed = sink_input_mute_changed_cb;
u->sink_input->userdata = u;
pa_sink_put(u->sink);
pa_sink_input_put(u->sink_input);
pa_modargs_free(ma);
pa_xfree(use_default);
return 0;
fail:
if (ma)
pa_modargs_free(ma);
pa_xfree(use_default);
pa__done(m);
return -1;
}
bool qtractorLadspaPluginParam::isDefaultValue (void) const
{
return LADSPA_IS_HINT_HAS_DEFAULT(m_portHints);
}
