Context.hpp

#pragma once
#include <lv2/lv2plug.in/ns/ext/atom/atom.h>
#include <lv2/lv2plug.in/ns/ext/atom/forge.h>
#include <lv2/lv2plug.in/ns/ext/buf-size/buf-size.h>
#include <lv2/lv2plug.in/ns/ext/data-access/data-access.h>
#include <lv2/lv2plug.in/ns/ext/dynmanifest/dynmanifest.h>
#include <lv2/lv2plug.in/ns/ext/event/event.h>
#include <lv2/lv2plug.in/ns/ext/instance-access/instance-access.h>
#include <lv2/lv2plug.in/ns/ext/log/log.h>
#include <lv2/lv2plug.in/ns/ext/midi/midi.h>
#include <lv2/lv2plug.in/ns/ext/morph/morph.h>
#include <lv2/lv2plug.in/ns/ext/options/options.h>
#include <lv2/lv2plug.in/ns/ext/parameters/parameters.h>
#include <lv2/lv2plug.in/ns/ext/patch/patch.h>
#include <lv2/lv2plug.in/ns/ext/port-groups/port-groups.h>
#include <lv2/lv2plug.in/ns/ext/port-props/port-props.h>
#include <lv2/lv2plug.in/ns/ext/presets/presets.h>
#include <lv2/lv2plug.in/ns/ext/resize-port/resize-port.h>
#include <lv2/lv2plug.in/ns/ext/state/state.h>
#include <lv2/lv2plug.in/ns/ext/time/time.h>
#include <lv2/lv2plug.in/ns/ext/uri-map/uri-map.h>
#include <lv2/lv2plug.in/ns/ext/urid/urid.h>
#include <lv2/lv2plug.in/ns/ext/worker/worker.h>
#include <lv2/lv2plug.in/ns/extensions/ui/ui.h>
 
#include <ossia/detail/hash_map.hpp>
#include <ossia/detail/lockfree_queue.hpp>
#include <ossia/detail/small_vector.hpp>
 
#include <boost/bimap.hpp>
 
#include <lilv/lilvmm.hpp>
 
#include <readerwriterqueue.h>
 
#include <atomic>
#include <cstdarg>
#include <cstdio>
#include <functional>
#include <vector>
 
#include <suil-0/suil/suil.h>
 
namespace LV2
{
struct EffectContext;
struct GlobalContext;
struct HostContext
{
  Lilv::Node make_node(const char* desc)
  {
    Lilv::Node n{nullptr};
    n.me = lilv_new_uri(world.me, desc);
    return n;
  }
 
  LV2::GlobalContext* global{};
  LV2::EffectContext* current{};
  LV2_Feature const* const* features{};
  Lilv::World& world;
 
  LV2_Atom_Forge forge{};
 
  Lilv::Node input_class{make_node(LILV_URI_INPUT_PORT)};
  Lilv::Node output_class{make_node(LILV_URI_OUTPUT_PORT)};
  Lilv::Node control_class{make_node(LILV_URI_CONTROL_PORT)};
  Lilv::Node audio_class{make_node(LILV_URI_AUDIO_PORT)};
  Lilv::Node atom_class{make_node(LV2_ATOM__AtomPort)};
  Lilv::Node atom_object_class{make_node(LV2_ATOM__Object)};
  Lilv::Node event_class{make_node(LILV_URI_EVENT_PORT)};
  Lilv::Node midi_event_class{make_node(LILV_URI_MIDI_EVENT)};
  Lilv::Node cv_class{make_node(LV2_CORE__CVPort)};
  Lilv::Node work_interface{make_node(LV2_WORKER__interface)};
  Lilv::Node work_schedule{make_node(LV2_WORKER__schedule)};
 
  Lilv::Node time_time_class{make_node(LV2_TIME__Time)};
  Lilv::Node time_Position_class{make_node(LV2_TIME__Position)};
  Lilv::Node time_rate_class{make_node(LV2_TIME__Rate)};
  //Lilv::Node time_position_class{make_node(LV2_TIME__position)};
  Lilv::Node time_barBeat_class{make_node(LV2_TIME__barBeat)};
  Lilv::Node time_bar_class{make_node(LV2_TIME__bar)};
  Lilv::Node time_beat_class{make_node(LV2_TIME__beat)};
  Lilv::Node time_beatUnit_class{make_node(LV2_TIME__beatUnit)};
  Lilv::Node time_beatsPerBar_class{make_node(LV2_TIME__beatsPerBar)};
  Lilv::Node time_beatsPerMinute_class{make_node(LV2_TIME__beatsPerMinute)};
  Lilv::Node time_frame_class{make_node(LV2_TIME__frame)};
  Lilv::Node time_framesPerSecond_class{make_node(LV2_TIME__framesPerSecond)};
  Lilv::Node time_speed_class{make_node(LV2_TIME__speed)};
 
  Lilv::Node optional_feature{make_node(LV2_CORE__optionalFeature)};
  Lilv::Node fixed_size{make_node(LV2_UI__fixedSize)};
  Lilv::Node no_user_resize{make_node(LV2_UI__noUserResize)};
 
  Lilv::Node host_ui_type{make_node("http://lv2plug.in/ns/extensions/ui#Qt5UI")};
 
  int32_t midi_buffer_size = 2048;
  LV2_URID midi_event_id{};
  LV2_URID atom_chunk_id{};
  LV2_URID atom_sequence_id{};
  LV2_URID atom_object_id{};
  LV2_URID null_id{};
  LV2_URID atom_eventTransfer{};
 
  LV2_URID time_Time_id{};
  LV2_URID time_Position_id{};
  LV2_URID time_rate_id{};
  // LV2_URID time_position_id{};
  LV2_URID time_barBeat_id{};
  LV2_URID time_bar_id{};
  LV2_URID time_beat_id{};
  LV2_URID time_beatUnit_id{};
  LV2_URID time_beatsPerBar_id{};
  LV2_URID time_beatsPerMinute_id{};
  LV2_URID time_frame_id{};
  LV2_URID time_framesPerSecond_id{};
  LV2_URID time_speed_id{};
 
  std::vector<char> acquire_worker_data(const char* data, uint32_t s) noexcept
  {
    std::vector<char> cp;
    worker_datas_pool.try_dequeue(cp);
    cp.assign(data, data + s);
    return cp;
  }
 
  void release_worker_data(std::vector<char>&& v) noexcept
  {
    worker_datas_pool.enqueue(std::move(v));
  }
 
  ossia::mpmc_queue<std::vector<char>> worker_datas_pool{};
};
 
struct EffectContext
{
  Lilv::Plugin plugin{nullptr};
  LilvInstance* instance{};
  const LV2_Worker_Interface* worker{};
  LV2_Extension_Data_Feature data{};
  const LilvUI* ui{};
  const LilvNode* ui_type{};
  SuilInstance* ui_instance{};
 
  ossia::mpmc_queue<std::vector<char>> worker_datas;
};
 
struct GlobalContext
{
public:
  GlobalContext(int buffer_size, LV2::HostContext& host);
  void loadPlugins();
  LV2_Feature const* const* features() const { return lv2_features.data(); }
 
  using urid_map_t = boost::bimap<std::string, LV2_URID>;
  LV2::HostContext& host;
  int sampleRate = 44100;
 
  std::vector<LV2_Options_Option> options;
 
  LV2_URID urid_map_cur = 1;
  ossia::hash_map<std::string, LV2_URID> urid_map_left;
  ossia::hash_map<LV2_URID, std::string> urid_map_right;
 
  LV2_URI_Map_Feature uri_map{};
  LV2_URID uri_map_cur = 1;
  ossia::hash_map<std::string, LV2_URID> uri_map_left;
 
  LV2_URID_Map map{};
  LV2_URID_Unmap unmap{};
  LV2_Event_Feature event{};
  LV2_Worker_Schedule worker{};
  LV2_Worker_Schedule worker_state{};
 
  LV2_Log_Log logger{};
  LV2_Extension_Data_Feature ext_data{nullptr};
 
  LV2_Resize_Port_Resize ext_port_resize{};
  LV2_State_Make_Path state_make_path{};
 
  LV2_Feature uri_map_feature{"http://lv2plug.in/ns/ext/uri-map", &uri_map};
  LV2_Feature map_feature{LV2_URID__map, &map};
  LV2_Feature unmap_feature{LV2_URID__unmap, &unmap};
  LV2_Feature event_feature{LV2_EVENT_URI, &event};
  LV2_Feature options_feature{LV2_OPTIONS__options, nullptr};
  LV2_Feature worker_feature{LV2_WORKER__schedule, &worker};
  LV2_Feature worker_state_feature{LV2_WORKER__schedule, &worker};
  LV2_Feature logger_feature{LV2_LOG__log, &logger};
  LV2_Feature ext_data_feature{LV2_DATA_ACCESS_URI, &ext_data};
  LV2_Feature ext_port_resize_feature{LV2_RESIZE_PORT_URI, &ext_port_resize};
  LV2_Feature state_make_path_feature{LV2_STATE__makePath, &state_make_path};
 
  LV2_Feature state_load_default_feature{LV2_STATE__loadDefaultState, nullptr};
  // LV2_Feature
  // state_thread_safe_restore_feature{LV2_STATE__threadSafeRestore, nullptr};
 
  LV2_Feature bounded{LV2_BUF_SIZE__boundedBlockLength, nullptr};
  LV2_Feature pow2{LV2_BUF_SIZE__powerOf2BlockLength, nullptr};
 
  std::vector<LV2_Feature*> lv2_features;
 
  SuilHost* ui_host{};
 
  const LV2_Feature data_feature{LV2_DATA_ACCESS_URI, &ext_data};
};
 
struct LV2Data
{
  LV2Data(LV2::HostContext& h, LV2::EffectContext& ctx);
 
  ~LV2Data() { }
 
  LV2::HostContext& host;
  LV2::EffectContext& effect;
  ossia::small_vector<int, 4> audio_in_ports, audio_out_ports;
  ossia::small_vector<int, 8> control_in_ports, control_out_ports, control_other_ports;
  ossia::small_vector<int, 2> midi_in_ports, midi_out_ports, midi_other_ports, cv_ports;
 
  ossia::small_vector<int, 2> time_Position_ports{};
 
  // ossia::small_vector<int, 2> atom_in_ports, atom_out_ports;
};
 
struct Message
{
  uint32_t index;
  uint32_t protocol;
  ossia::small_vector<uint8_t, 32> body;
};
}