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cont'd work on Lua Vamp-plugin API

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This commit is contained in:
Robin Gareus 2016-10-03 18:10:39 +02:00
parent ae72acb493
commit f6b59676b5
3 changed files with 12 additions and 6 deletions
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5
libs/ardour/ardour/lua_api.h
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@ -197,7 +197,7 @@ namespace ARDOUR { namespace LuaAPI {
/** initialize the plugin for use with analyze().
*
* This is equivalent to plugin():initialise (1, 8192, 8192)
* This is equivalent to plugin():initialise (1, 512, 1024)
* and prepares a plugin for analyze.
*
* Manual initialization is only required to set plugin-parameters
@ -206,7 +206,7 @@ namespace ARDOUR { namespace LuaAPI {
* @code
* vamp:reset ()
* vamp:initialize ()
* vamp:plugin():setParameter (0, 1.5)
* vamp:plugin():setParameter (0, 1.5, nil)
* vamp:analyze (r, 0)
* @endcode
*/
@ -218,6 +218,7 @@ namespace ARDOUR { namespace LuaAPI {
::Vamp::Plugin* _plugin;
float _sample_rate;
framecnt_t _bufsize;
framecnt_t _stepsize;
bool _initialized;
};

9
libs/ardour/lua_api.cc
View file

@ -543,7 +543,8 @@ void LuaTableRef::assign (luabridge::LuaRef* rv, T key, const LuaTableEntry& s)
LuaAPI::Vamp::Vamp (const std::string& key, float sample_rate)
: _plugin (0)
, _sample_rate (sample_rate)
, _bufsize (8192)
, _bufsize (1024)
, _stepsize (512)
, _initialized (false)
{
using namespace ::Vamp::HostExt;
@ -577,7 +578,7 @@ LuaAPI::Vamp::initialize ()
if (!_plugin || _plugin->getMinChannelCount() > 1) {
return false;
}
if (!_plugin->initialise (1, _bufsize, _bufsize)) {
if (!_plugin->initialise (1, _stepsize, _bufsize)) {
return false;
}
_initialized = true;
@ -615,10 +616,10 @@ LuaAPI::Vamp::analyze (boost::shared_ptr<ARDOUR::Readable> r, uint32_t channel,
features = _plugin->process (bufs, ::Vamp::RealTime::fromSeconds ((double) pos / _sample_rate));
if (cb.type () == LUA_TFUNCTION) {
cb (features, pos);
cb (&features, pos);
}
pos += to_read;
pos += std::min (_stepsize, to_read);
if (pos >= len) {
break;

4
libs/ardour/luabindings.cc
View file

@ -446,9 +446,13 @@ LuaBindings::common (lua_State* L)
.beginClass<Vamp::RealTime> ("RealTime")
.addConstructor <void (*) (int, int)> ()
.addData ("sec", &Vamp::RealTime::sec, false)
.addData ("nsec", &Vamp::RealTime::nsec, false)
.addFunction ("usec", &Vamp::RealTime::usec)
.addFunction ("msec", &Vamp::RealTime::msec)
.addFunction ("toString", &Vamp::RealTime::toString)
.addStaticFunction ("realTime2Frame", &Vamp::RealTime::realTime2Frame)
.addStaticFunction ("frame2RealTime", &Vamp::RealTime::frame2RealTime)
.endClass ()
.beginClass<Vamp::PluginBase> ("PluginBase")