#include <boost/shared_ptr.hpp>
#include <vamp-hostsdk/Plugin.h>
+#include "evoral/Note.hpp"
+
#include "ardour/libardour_visibility.h"
+#include "ardour/midi_model.h"
#include "ardour/processor.h"
#include "ardour/session.h"
*/
float get_processor_param (boost::shared_ptr<Processor> proc, uint32_t which, bool &ok);
+ /** reset a processor to its default values (only works for plugins )
+ *
+ * This is a wrapper which looks up the Processor by plugin-insert.
+ *
+ * @param proc Plugin-Insert
+ * @returns true on success, false when the processor is not a plugin
+ */
+ bool reset_processor_to_default (boost::shared_ptr<Processor> proc);
+
/** set a plugin control-input parameter value
*
* This is a wrapper around set_processor_param which looks up the Processor by plugin-insert.
*/
int hsla_to_rgba (lua_State *lua);
- /* Creates a filename from a series of elements using the correct separator for filenames.
+ /**
+ * A convenience function to expand RGBA parameters from an integer
+ *
+ * convert a Canvas::Color (uint32_t 0xRRGGBBAA) into
+ * double RGBA values which can be passed as parameters to
+ * Cairo::Context::set_source_rgba
+ *
+ * Example:
+ * @code
+ * local r, g, b, a = ARDOUR.LuaAPI.color_to_rgba (0x88aa44ff)
+ * cairo_ctx:set_source_rgba (ARDOUR.LuaAPI.color_to_rgba (0x11336699)
+ * @endcode
+ * @returns 4 parameters: red, green, blue, alpha (in range 0..1)
+ */
+ int color_to_rgba (lua_State *lua);
+
+ /**
+ * Creates a filename from a series of elements using the correct separator for filenames.
*
* No attempt is made to force the resulting filename to be an absolute path.
* If the first element is a relative path, the result will be a relative path.
*/
int build_filename (lua_State *lua);
+ /**
+ * Generic conversion from audio sample count to timecode.
+ * (TimecodeType, sample-rate, sample-pos)
+ */
+ int sample_to_timecode (lua_State *L);
+
+ /**
+ * Generic conversion from timecode to audio sample count.
+ * (TimecodeType, sample-rate, hh, mm, ss, ff)
+ */
+ int timecode_to_sample (lua_State *L);
+
+ /**
+ * Use current session settings to convert
+ * audio-sample count into hh, mm, ss, ff
+ * timecode (this include session pull up/down).
+ */
+ int sample_to_timecode_lua (lua_State *L);
+
+ /**
+ * Use current session settings to convert
+ * timecode (hh, mm, ss, ff) to audio-sample
+ * count (this include session pull up/down).
+ */
+ int timecode_to_sample_lua (lua_State *L);
+
class Vamp {
/** Vamp Plugin Interface
*
public:
Vamp (const std::string&, float sample_rate);
~Vamp ();
+
+ /** Search for all available available Vamp plugins.
+ * @returns list of plugin-keys
+ */
+ static std::vector<std::string> list_plugins ();
+
::Vamp::Plugin* plugin () { return _plugin; }
- /* high-level abstraction to process a single channel of the given Readable.
+ /** high-level abstraction to process a single channel of the given Readable.
*
* If the plugin is not yet initialized, initialize() is called.
*
* if @cb is not nil, it is called with the immediate
* Vamp::Plugin::Features on every process call.
*
- * @r readable
- * @channel channel to process
- * @cb lua callback function
+ * @param r readable
+ * @param channel channel to process
+ * @param fn lua callback function
* @return 0 on success
*/
- int analyze (boost::shared_ptr<ARDOUR::Readable>, uint32_t channel, luabridge::LuaRef fn);
+ int analyze (boost::shared_ptr<ARDOUR::Readable> r, uint32_t channel, luabridge::LuaRef fn);
/** call plugin():reset() and clear intialization flag */
void reset ();
/** initialize the plugin for use with analyze().
*
- * This is equivalent to plugin():initialise (1, 8192, 8192)
+ * This is equivalent to plugin():initialise (1, ssiz, bsiz)
* and prepares a plugin for analyze.
+ * (by preferred step and block sizes are used. if the plugin
+ * does not specify them or they're larger than 8K, both are set to 1024)
*
* Manual initialization is only required to set plugin-parameters
* which depend on prior initialization of the plugin.
* @code
* vamp:reset ()
* vamp:initialize ()
- * vamp:plugin():setParameter (0, 1.5)
+ * vamp:plugin():setParameter (0, 1.5, nil)
* vamp:analyze (r, 0)
* @endcode
*/
bool initialized () const { return _initialized; }
+ /** process given array of audio-samples.
+ *
+ * This is a lua-binding for vamp:plugin():process ()
+ *
+ * @param d audio-data, the vector must match the configured channel count
+ * and hold a complete buffer for every channel as set during
+ * plugin():initialise()
+ * @param rt timestamp matching the provided buffer.
+ * @returns features extracted from that data (if the plugin is causal)
+ */
+ ::Vamp::Plugin::FeatureSet process (const std::vector<float*>& d, ::Vamp::RealTime rt);
+
private:
::Vamp::Plugin* _plugin;
float _sample_rate;
- framecnt_t _bufsize;
+ samplecnt_t _bufsize;
+ samplecnt_t _stepsize;
bool _initialized;
};
+ boost::shared_ptr<Evoral::Note<Temporal::Beats> >
+ new_noteptr (uint8_t, Temporal::Beats, Temporal::Beats, uint8_t, uint8_t);
+
+ std::list<boost::shared_ptr< Evoral::Note<Temporal::Beats> > >
+ note_list (boost::shared_ptr<ARDOUR::MidiModel>);
+
} } /* namespace */
namespace ARDOUR { namespace LuaOSC {
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