source/includes/clap/ext/state.h

   1 #pragma once
   2
   3 #include "../plugin.h"
   4 #include "../stream.h"
   5
   6 static CLAP_CONSTEXPR const char CLAP_EXT_STATE[] = "clap.state";
   7
   8 #ifdef __cplusplus
   9 extern "C" {
  10 #endif
  11
  12 typedef struct clap_plugin_state {
  13    // Saves the plugin state into stream.
  14    // Returns true if the state was correctly saved.
  15    // [main-thread]
  16    bool (CLAP_ABI *save)(const clap_plugin_t *plugin, const clap_ostream_t *stream);
  17
  18    // Loads the plugin state from stream.
  19    // Returns true if the state was correctly restored.
  20    // [main-thread]
  21    bool (CLAP_ABI *load)(const clap_plugin_t *plugin, const clap_istream_t *stream);
  22 } clap_plugin_state_t;
  23
  24 typedef struct clap_host_state {
  25    // Tell the host that the plugin state has changed and should be saved again.
  26    // If a parameter value changes, then it is implicit that the state is dirty.
  27    // [main-thread]
  28    void (CLAP_ABI *mark_dirty)(const clap_host_t *host);
  29 } clap_host_state_t;
  30
  31 #ifdef __cplusplus
  32 }
  33 #endif