bool VampEffectsModule::IsPluginValid(const PluginID & ID,
const wxString & path)
{
Vamp::HostExt::PluginLoader *loader = Vamp::HostExt::PluginLoader::getInstance();
Vamp::Plugin *plug = loader->loadPlugin(ID.ToUTF8().data(), 48000); // rate doesn't matter here
if (plug)
{
delete plug;
return true;
}
return false;
}
VampEffect::VampEffect(Vamp::HostExt::PluginLoader::PluginKey key,
int output,
bool hasParameters,
wxString name,
wxString category) :
mKey(key),
mOutput(output),
mHasParameters(hasParameters),
mName(name),
mRate(0),
mCategory(category),
mPlugin(NULL)
{
Vamp::HostExt::PluginLoader *loader = Vamp::HostExt::PluginLoader::getInstance();
mPlugin = loader->loadPlugin(mKey, 48000); // rate doesn't matter here
SetEffectFlags(PLUGIN_EFFECT | ANALYZE_EFFECT);
}
bool VampEffect::Init()
{
Vamp::HostExt::PluginLoader *loader =
Vamp::HostExt::PluginLoader::getInstance();
delete mPlugin;
mPlugin = 0;
TrackListIterator iter(mWaveTracks);
WaveTrack *left = (WaveTrack *)iter.First();
mRate = 0.0;
while (left) {
if (mRate == 0.0) mRate = left->GetRate();
if (left->GetLinked()) {
WaveTrack *right = (WaveTrack *)iter.Next();
if (left->GetRate() != right->GetRate()) {
wxMessageBox(_("Sorry, Vamp Plug-ins cannot be run on stereo tracks where the individual channels of the track do not match."));
return false;
}
}
left = (WaveTrack *)iter.Next();
}
if (mRate <= 0.0) mRate = mProjectRate;
mPlugin = loader->loadPlugin
(mKey, mRate, Vamp::HostExt::PluginLoader::ADAPT_ALL);
if (!mPlugin) {
wxMessageBox(_("Sorry, failed to load Vamp Plug-in."));
return false;
}
return true;
}
bool VampEffect::Init()
{
mRate = 0.0;
// PRL: this loop checked that channels of a track have the same rate,
// but there was no check that all tracks have one rate, and only the first
// is remembered in mRate. Is that correct?
for (auto leader : inputTracks()->Leaders<const WaveTrack>()) {
auto channelGroup = TrackList::Channels( leader );
auto rate = (*channelGroup.first++) -> GetRate();
for(auto channel : channelGroup) {
if (rate != channel->GetRate())
// PRL: Track rate might not match individual clip rates.
// So is this check not adequate?
{
// TODO: more-than-two-channels-message
Effect::MessageBox(_("Sorry, Vamp Plug-ins cannot be run on stereo tracks where the individual channels of the track do not match."));
return false;
}
}
if (mRate == 0.0)
mRate = rate;
}
if (mRate <= 0.0)
{
mRate = mProjectRate;
}
// The plugin must be reloaded to allow changing parameters
Vamp::HostExt::PluginLoader *loader = Vamp::HostExt::PluginLoader::getInstance();
mPlugin.reset(loader->loadPlugin(mKey, mRate, Vamp::HostExt::PluginLoader::ADAPT_ALL));
if (!mPlugin)
{
Effect::MessageBox(_("Sorry, failed to load Vamp Plug-in."));
return false;
}
return true;
}