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VST3: yet another attempt at state-retore #8460

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This commit is contained in:
Robin Gareus
2020-11-02 01:46:08 +01:00
parent 10ea21a35f
commit 35414fcef0
1 changed files with 23 additions and 8 deletions
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31
libs/ardour/vst3_plugin.cc
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@@ -504,6 +504,24 @@ VST3Plugin::set_state (const XMLNode& node, int version)
return -1;
}
const Plugin::PresetRecord* r = 0;
std::string preset_uri;
if (node.get_property (X_("last-preset-uri"), preset_uri)) {
r = preset_by_uri (preset_uri);
}
if (r && _plug->program_change_port().id != Vst::kNoParamId) {
std::vector<std::string> tmp;
if (PBD::tokenize (r->uri, std::string(":"), std::back_inserter (tmp)) && tmp.size() == 3 && tmp[0] == "VST3-P") {
float value = PBD::atoi (tmp[2]);
size_t n_presets = _plug->n_factory_presets ();
if (n_presets > 1) {
value /= (n_presets - 1.f);
}
DEBUG_TRACE (DEBUG::VST3Config, string_compose ("VST3Plugin::set_state: set_program (pgm: %1 plug: %2)\n", value, name ()));
_plug->controller ()->setParamNormalized (_plug->program_change_port().id, value);
}
}
XMLNodeList nodes = node.children ("Port");
for (iter = nodes.begin(); iter != nodes.end(); ++iter) {
XMLNode* child = *iter;
@@ -2220,6 +2238,7 @@ VST3PI::load_state (RAMStream& stream)
stream.read_int64 (c._offset);
stream.read_int64 (c._size);
entries.push_back (c);
DEBUG_TRACE (DEBUG::VST3Config, string_compose ("VST3PI::load_state: chunk: %1 off: %2 size: %3 type: %4\n", i, c._offset, c._size, c._id));
}
bool rv = true;
@@ -2248,7 +2267,6 @@ VST3PI::load_state (RAMStream& stream)
}
}
else if (is_equal_ID (i->_id, Vst::getChunkID (Vst::kControllerState))) {
assert (FUnknownPtr<Vst::IEditController> (_component) == 0);
stream.seek (i->_offset, IBStream::kIBSeekSet, &seek_result);
tresult res = _controller->setState (&stream);
if (!(res == kResultOk || res == kNotImplemented)) {
@@ -2296,13 +2314,10 @@ VST3PI::save_state (RAMStream& stream)
entries.push_back (c);
}
if (FUnknownPtr<Vst::IEditController> (_component) == 0) {
/* only if component and controller are not identical */
c.start_chunk (getChunkID (Vst::kControllerState), stream);
if (_controller->getState (&stream) == kResultTrue) {
c.end_chunk (stream);
entries.push_back (c);
}
c.start_chunk (getChunkID (Vst::kControllerState), stream);
if (_controller->getState (&stream) == kResultTrue) {
c.end_chunk (stream);
entries.push_back (c);
}
/* update header */