diff options
| author | Robin Gareus <robin@gareus.org> | 2016-03-13 23:52:48 +0100 |
|---|---|---|
| committer | Robin Gareus <robin@gareus.org> | 2016-03-14 00:17:16 +0100 |
| commit | c32824e4523a920c9e541cdc40ebaef47e17da29 (patch) | |
| tree | e38797b02cf08e03d03db449a288cc36d6e55402 /libs/ardour/lv2_plugin.cc | |
| parent | 58469214befaa714c856790b78da58c4593b2b54 (diff) | |
Implement LV2 Inline Display Extension
Diffstat (limited to 'libs/ardour/lv2_plugin.cc')
| -rw-r--r-- | libs/ardour/lv2_plugin.cc | 50 |
1 files changed, 49 insertions, 1 deletions
diff --git a/libs/ardour/lv2_plugin.cc b/libs/ardour/lv2_plugin.cc index 4af6748c41..8283062f3f 100644 --- a/libs/ardour/lv2_plugin.cc +++ b/libs/ardour/lv2_plugin.cc @@ -216,6 +216,14 @@ work_respond(LV2_Worker_Respond_Handle handle, } } +/* inline display extension */ +static void +queue_draw (LV2_Inline_Display_Handle handle) +{ + LV2Plugin* plugin = (LV2Plugin*)handle; + plugin->QueueDraw(); /* EMIT SIGNAL */ +} + /* log extension */ static int @@ -260,6 +268,9 @@ struct LV2Plugin::Impl { #ifdef HAVE_LV2_1_2_0 , options(0) #endif +#ifdef LV2_EXTENDED + , queue_draw(0) +#endif {} /** Find the LV2 input port with the given designation. @@ -284,6 +295,9 @@ struct LV2Plugin::Impl { #ifdef HAVE_LV2_1_2_0 LV2_Options_Option* options; #endif +#ifdef LV2_EXTENDED + LV2_Inline_Display* queue_draw; +#endif }; LV2Plugin::LV2Plugin (AudioEngine& engine, @@ -371,7 +385,7 @@ LV2Plugin::init(const void* c_plugin, framecnt_t rate) lilv_node_free(state_uri); lilv_node_free(state_iface_uri); - _features = (LV2_Feature**)calloc(11, sizeof(LV2_Feature*)); + _features = (LV2_Feature**)calloc(12, sizeof(LV2_Feature*)); _features[0] = &_instance_access_feature; _features[1] = &_data_access_feature; _features[2] = &_make_path_feature; @@ -388,6 +402,17 @@ LV2Plugin::init(const void* c_plugin, framecnt_t rate) lv2_atom_forge_init(&_impl->forge, _uri_map.urid_map()); lv2_atom_forge_init(&_impl->ui_forge, _uri_map.urid_map()); +#ifdef LV2_EXTENDED + _impl->queue_draw = (LV2_Inline_Display*) + malloc (sizeof(LV2_Inline_Display)); + _impl->queue_draw->handle = this; + _impl->queue_draw->queue_draw = queue_draw; + + _queue_draw_feature.URI = LV2_INLINEDISPLAY__queue_draw; + _queue_draw_feature.data = _impl->queue_draw; + _features[n_features++] = &_queue_draw_feature; +#endif + #ifdef HAVE_LV2_1_2_0 LV2_URID atom_Int = _uri_map.uri_to_id(LV2_ATOM__Int); static const int32_t _min_block_length = 1; // may happen during split-cycles @@ -474,6 +499,11 @@ LV2Plugin::init(const void* c_plugin, framecnt_t rate) lilv_node_free(options_iface_uri); #endif +#ifdef LV2_EXTENDED + _display_interface = (const LV2_Inline_Display_Interface*) + extension_data (LV2_INLINEDISPLAY__interface); +#endif + if (lilv_plugin_has_feature(plugin, _world.lv2_inPlaceBroken)) { error << string_compose( _("LV2: \"%1\" cannot be used, since it cannot do inplace processing."), @@ -765,6 +795,9 @@ LV2Plugin::~LV2Plugin () #ifdef HAVE_LV2_1_2_0 free(_impl->options); #endif +#ifdef LV2_EXTENDED + free(_impl->queue_draw); +#endif free(_features); free(_make_path_feature.data); @@ -827,6 +860,21 @@ LV2Plugin::ui_is_resizable () const return !fs_matches && !nrs_matches; } +#ifdef LV2_EXTENDED +bool +LV2Plugin::has_inline_display () { + return _display_interface ? true : false; +} + +void* +LV2Plugin::render_inline_display (uint32_t w, uint32_t h) { + if (_display_interface) { + return _display_interface->render ((void*)_impl->instance->lv2_handle, w, h); + } + return NULL; +} +#endif + string LV2Plugin::unique_id() const { |