Line data    Source code

       1              : /*
       2              :  * SPDX-License-Identifier: GPL-3.0-only
       3              :  * MuseScore-CLA-applies
       4              :  *
       5              :  * MuseScore Studio
       6              :  * Music Composition & Notation
       7              :  *
       8              :  * Copyright (C) 2025 MuseScore Limited and others
       9              :  *
      10              :  * This program is free software: you can redistribute it and/or modify
      11              :  * it under the terms of the GNU General Public License version 3 as
      12              :  * published by the Free Software Foundation.
      13              :  *
      14              :  * This program is distributed in the hope that it will be useful,
      15              :  * but WITHOUT ANY WARRANTY; without even the implied warranty of
      16              :  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
      17              :  * GNU General Public License for more details.
      18              :  *
      19              :  * You should have received a copy of the GNU General Public License
      20              :  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
      21              :  */
      22              : #include "enginecontroller.h"
      23              : 
      24              : #include "global/modularity/ioc.h"
      25              : 
      26              : #ifdef Q_OS_WIN
      27              : #include "global/platform/win/waitabletimer.h"
      28              : #endif
      29              : 
      30              : #include "audio/common/audioutils.h"
      31              : #include "audio/common/rpc/rpcpacker.h"
      32              : #include "audio/common/audioerrors.h"
      33              : 
      34              : #include "enginerpccontroller.h"
      35              : #include "audioengine.h"
      36              : 
      37              : #include "log.h"
      38              : 
      39              : using namespace muse;
      40              : using namespace muse::audio;
      41              : using namespace muse::audio::engine;
      42              : using namespace muse::audio::synth;
      43              : 
      44            0 : EngineController::EngineController(std::shared_ptr<rpc::IRpcChannel> rpcChannel)
      45            0 :     : m_rpcChannel(rpcChannel)
      46              : {
      47            0 :     m_rpcChannel->onRequest(rpc::GLOBAL_CTX_ID, rpc::MsgCode::EngineInit, [this](const rpc::Msg& msg) {
      48            0 :         OutputSpec spec;
      49            0 :         AudioEngineConfig conf;
      50              : 
      51            0 :         IF_ASSERT_FAILED(rpc::RpcPacker::unpack(msg.data, spec, conf)) {
      52            0 :             return make_response_ret(msg, make_ret(Err::InvalidRpcData));
      53              :         }
      54              : 
      55            0 :         init(spec, conf);
      56              : 
      57            0 :         return make_response_ret(msg, make_ok());
      58              :     });
      59              : 
      60            0 :     m_rpcChannel->onRequest(rpc::GLOBAL_CTX_ID, rpc::MsgCode::EngineDeinit, [this](const rpc::Msg& msg) {
      61            0 :         deinit();
      62            0 :         return make_response_ret(msg, make_ok());
      63              :     });
      64            0 : }
      65              : 
      66            0 : void EngineController::onStartRunning()
      67              : {
      68            0 :     AudioEngine* aengine = dynamic_cast<AudioEngine*>(audioEngine().get());
      69            0 :     IF_ASSERT_FAILED(aengine) {
      70            0 :         return;
      71              :     }
      72              : 
      73              :     //! NOTE After sending a EngineRunning,
      74              :     //! we may receive RPC messages, such as for example load a soundfont.
      75              :     //! Therefore, we need to subscribe to RPC messages.
      76            0 :     m_rpcController = std::make_shared<EngineRpcController>(aengine);
      77            0 :     m_rpcController->init();
      78              : 
      79              :     //! NOTE We inform that the engine is running and can receive messages
      80              :     //! (it has not yet been initialized)
      81            0 :     m_rpcChannel->send(rpc::make_notification(rpc::GLOBAL_CTX_ID, rpc::MsgCode::EngineRunning));
      82              : }
      83              : 
      84            0 : void EngineController::init(const OutputSpec& outputSpec, const AudioEngineConfig& conf)
      85              : {
      86              :     //! AUDIO THREAD
      87              : 
      88              :     //! NOTE These services are global, but EngineController is contextual...
      89              :     //! There are currently design issues, we need to figure out how to fix them.
      90            0 :     configuration()->setConfig(conf);
      91            0 :     synthResolver()->init(configuration()->defaultAudioInputParams(), outputSpec);
      92              :     // ------------------------------------------------------------
      93              : 
      94              :     // Setup audio engine
      95            0 :     audioEngine()->init(outputSpec);
      96              : 
      97            0 :     transportEventsDispatcher()->init();
      98            0 : }
      99              : 
     100            0 : void EngineController::deinit()
     101              : {
     102              :     //! AUDIO THREAD
     103            0 :     m_rpcController->deinit();
     104            0 :     audioEngine()->deinit();
     105            0 : }
     106              : 
     107            0 : OutputSpec EngineController::outputSpec() const
     108              : {
     109            0 :     return audioEngine()->outputSpec();
     110              : }
     111              : 
     112            0 : async::Channel<OutputSpec> EngineController::outputSpecChanged() const
     113              : {
     114            0 :     return audioEngine()->outputSpecChanged();
     115              : }
     116              : 
     117            0 : void EngineController::process(float* stream, unsigned samplesPerChannel)
     118              : {
     119            0 :     audioEngine()->process(stream, samplesPerChannel);
     120            0 : }