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Handle AEffect object updates

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This commit is contained in:
Robbert van der Helm
2020-03-11 16:33:44 +01:00
parent ea8feb07a9
commit 8464706336
5 changed files with 48 additions and 15 deletions
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src/common/events.h
+28 -1
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@@ -186,11 +186,12 @@ void passthrough_event(boost::asio::local::stream_protocol::socket& socket,
[&](const std::string& s) -> void* {
return const_cast<char*>(s.c_str());
},
[&](const AEffect&) -> void* { return nullptr; },
[&](DynamicVstEvents& events) -> void* {
return &events.as_c_events();
},
[&](WantsChunkBuffer&) -> void* { return string_buffer.data(); },
[&](WantsVstTimeInfo&) -> void* { return nullptr; },
[&](const WantsVstTimeInfo&) -> void* { return nullptr; },
[&](WantsString&) -> void* { return string_buffer.data(); }},
event.payload);
@@ -203,6 +204,32 @@ void passthrough_event(boost::asio::local::stream_protocol::socket& socket,
// report some data back?
const auto response_data = std::visit(
overload{[&](auto) -> EventResposnePayload { return std::monostate(); },
[&](const AEffect& updated_plugin) -> EventResposnePayload {
// This is a bit of a special case! Instead of writing some
// return value, we will update values on the native VST
// plugin's `AEffect` object. This is triggered by the
// `audioMasterIOChanged` callback from the hsoted VST
// plugin.
// These are the same fields written by bitsery in the
// initialization of `HostBridge`. I can't think of a way t
// oreuse the serializer without first having to serialize
// `updated_plugin` first though.
plugin->magic = updated_plugin.magic;
plugin->numPrograms = updated_plugin.numPrograms;
plugin->numParams = updated_plugin.numParams;
plugin->numInputs = updated_plugin.numInputs;
plugin->numOutputs = updated_plugin.numOutputs;
plugin->flags = updated_plugin.flags;
plugin->initialDelay = updated_plugin.initialDelay;
plugin->empty3a = updated_plugin.empty3a;
plugin->empty3b = updated_plugin.empty3b;
plugin->unkown_float = updated_plugin.unkown_float;
plugin->uniqueID = updated_plugin.uniqueID;
plugin->version = updated_plugin.version;
return std::monostate();
},
[&](WantsChunkBuffer&) -> EventResposnePayload {
// In this case the plugin will have written its data
// stored in an array to which a pointer is stored in