lv2plugin.c

   1 /* -*- Mode: C ; c-basic-offset: 2 -*- */
   2 /*****************************************************************************
   3  *
   4  *   Copyright (C) 2006,2007,2008,2009 Nedko Arnaudov <nedko@arnaudov.name>
   5  *
   6  *   This program is free software; you can redistribute it and/or modify
   7  *   it under the terms of the GNU General Public License as published by
   8  *   the Free Software Foundation; version 2 of the License
   9  *
  10  *   This program is distributed in the hope that it will be useful,
  11  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  *   GNU General Public License for more details.
  14  *
  15  *   You should have received a copy of the GNU General Public License
  16  *   along with this program; if not, write to the Free Software
  17  *   Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  *****************************************************************************/
  20
  21 //#include <stdio.h>
  22 #include <lv2.h>
  23
  24 #include "common.h"
  25 #include "lv2plugin.h"
  26 #include "zynadd.h"
  27
  28 static LV2_Descriptor g_lv2_plugins[] =
  29 {
  30   {
  31     .URI = "http://home.gna.org/zyn/zynadd/1",
  32     .instantiate = zynadd_instantiate,
  33     .connect_port = zynadd_connect_port,
  34     .run = zynadd_run,
  35     .cleanup = zynadd_cleanup,
  36     .extension_data = zynadd_extension_data
  37   },
  38   {
  39     .URI = NULL
  40   }
  41 };
  42
  43 static int g_lv2_plugins_count;
  44
  45 void lv2_initialise() __attribute__((constructor));
  46 void lv2_initialise()
  47 {
  48   const LV2_Descriptor * descr_ptr;
  49
  50 //  printf("lv2_initialise() called.\n");
  51
  52   descr_ptr = g_lv2_plugins;
  53
  54   while (descr_ptr->URI != NULL)
  55   {
  56     g_lv2_plugins_count++;
  57     descr_ptr++;
  58   }
  59 }
  60
  61 const LV2_Descriptor* lv2_descriptor(uint32_t index)
  62 {
  63 /*   printf("lv2_descriptor(%u) called.\n", (unsigned int)index); */
  64
  65   if (index >= g_lv2_plugins_count)
  66   {
  67 /*     printf("plugin at index %u not found.\n", (unsigned int)index); */
  68     return NULL;
  69   }
  70
  71 /*   printf("<%s> found.\n", g_lv2_plugins[index].URI); */
  72   return g_lv2_plugins + index;
  73 }