cinelerra-5.1/cinelerra/pluginlv2.h

   1 #ifndef __PLUGINLV2_H__
   2 #define __PLUGINLV2_H__
   3
   4 #define LV2_SEQ_SIZE  9624
   5 #include "forkbase.h"
   6 #include "pluginlv2config.h"
   7 #include "samples.inc"
   8
   9 #include <lilv/lilv.h>
  10 #define NS_EXT "http://lv2plug.in/ns/ext/"
  11
  12 typedef struct {
  13         int64_t sz;
  14         int samples, done;
  15         int nb_inputs, nb_outputs;
  16 } shm_bfr_t;
  17
  18 #define PORTS_AUDIO   0x01
  19 #define PORTS_CONTROL 0x02
  20 #define PORTS_ATOM    0x04
  21 #define PORTS_ALL (PORTS_AUDIO | PORTS_CONTROL | PORTS_ATOM)
  22 #define PORTS_INPUT   0x08
  23 #define PORTS_OUTPUT  0x10
  24 #define PORTS_UPDATE  0x20
  25
  26 class PluginLV2Options : public ArrayList<LV2_Options_Option>
  27 {
  28 public:
  29         PluginLV2Options() {}
  30         ~PluginLV2Options() {}
  31         void add(LV2_URID key, unsigned sz, LV2_URID typ, void *vp) {
  32                 LV2_Options_Option *ap = &append();
  33                 ap->context = LV2_OPTIONS_INSTANCE; ap->subject = 0;
  34                 ap->key = key; ap->size = sz; ap->type = typ; ap->value = vp;
  35         }
  36 };
  37
  38 class PluginLV2Work
  39 {
  40 public:
  41         PluginLV2Work();
  42         ~PluginLV2Work();
  43         void load(const void *vp, unsigned size);
  44
  45         PluginLV2Work *next;
  46         unsigned alloc, used;
  47         char *data;
  48 };
  49
  50 class PluginLV2
  51 {
  52 public:
  53         PluginLV2();
  54         virtual ~PluginLV2();
  55
  56         shm_bfr_t *shm_bfr;
  57         int use_shm, shmid;
  58         float **in_buffers, **out_buffers;
  59         int *iport, *oport;
  60         int nb_inputs, nb_outputs;
  61         int max_bufsz, ui_features;
  62
  63         void reset_lv2();
  64         int load_lv2(const char *path,char *title=0);
  65         int init_lv2(PluginLV2ClientConfig &conf, int sample_rate, int bfrsz);
  66         virtual int is_forked() { return 0; }
  67         static uint32_t map_uri(LV2_URID_Map_Handle handle, const char *uri);
  68         static const char *unmap_uri(LV2_URID_Unmap_Handle handle, LV2_URID urid);
  69         LV2_URID_Map uri_map;
  70         LV2_URID_Unmap uri_unmap;
  71         void connect_ports(PluginLV2ClientConfig &conf, int ports);
  72         void del_buffer();
  73         void new_buffer(int64_t sz);
  74         shm_bfr_t *shm_buffer(int shmid);
  75         void init_buffer(int samples);
  76         void map_buffer();
  77
  78         LilvWorld         *world;
  79         const LilvPlugin  *lilv;
  80         LilvUIs           *lilv_uis;
  81
  82         PluginLV2UriTable  uri_table;
  83         LV2_URID_Map       map;
  84         LV2_Feature        map_feature;
  85         LV2_URID_Unmap     unmap;
  86         LV2_Feature        unmap_feature;
  87
  88         PluginLV2Options   options;
  89         Lv2Features        features;
  90         LV2_Atom_Sequence  seq_in[2];
  91         LV2_Atom_Sequence  *seq_out;
  92         float samplerate, refreshrate;
  93         int min_block_length, block_length;
  94         int midi_buf_size;
  95
  96         LilvInstance *inst;
  97         SuilInstance *sinst;
  98         SuilHost *ui_host;
  99
 100         LilvNode *atom_AtomPort;
 101         LilvNode *atom_Sequence;
 102         LilvNode *lv2_AudioPort;
 103         LilvNode *lv2_CVPort;
 104         LilvNode *lv2_ControlPort;
 105         LilvNode *lv2_Optional;
 106         LilvNode *lv2_InputPort;
 107         LilvNode *lv2_OutputPort;
 108         LilvNode *powerOf2BlockLength;
 109         LilvNode *fixedBlockLength;
 110         LilvNode *boundedBlockLength;
 111
 112         LV2_URID atom_int;
 113         LV2_URID atom_float;
 114
 115         LV2_URID param_sampleRate;
 116         LV2_URID bufsz_minBlockLength;
 117         LV2_URID bufsz_maxBlockLength;
 118         LV2_URID bufsz_sequenceSize;
 119         LV2_URID ui_updateRate;
 120
 121         pthread_t worker_thread;
 122         LV2_Worker_Interface *worker_iface;
 123         static void *worker_func(void *vp);
 124         void *worker_func();
 125         void worker_start();
 126         void worker_stop();
 127         LV2_Worker_Status worker_schedule(uint32_t inp_size, const void *inp_data);
 128         static LV2_Worker_Status lv2_worker_schedule(LV2_Worker_Schedule_Handle vp,
 129                         uint32_t inp_size, const void *inp_data);
 130         LV2_Worker_Status worker_respond(uint32_t out_size, const void *out_data);
 131         static LV2_Worker_Status lv2_worker_respond(LV2_Worker_Respond_Handle vp,
 132                         uint32_t out_size, const void *out_data);
 133         PluginLV2Work *get_work();
 134         void work_stop(PluginLV2Work *&work);
 135         void worker_responses();
 136
 137         LV2_Worker_Schedule schedule;
 138         PluginLV2Work *work_avail, *work_input;
 139         PluginLV2Work *work_output, **work_tail;
 140         pthread_mutex_t worker_lock;
 141         pthread_cond_t worker_ready;
 142         int worker_done;
 143 };
 144
 145 typedef struct { int sample_rate, bfrsz;  char path[1]; } open_bfr_t;
 146
 147 enum { NO_COMMAND,
 148         LV2_OPEN,
 149         LV2_LOAD,
 150         LV2_CONFIG,
 151         LV2_UPDATE,
 152         LV2_SHOW,
 153         LV2_HIDE,
 154         LV2_SHMID,
 155         NB_COMMANDS };
 156
 157 #endif