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) 2021 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              : #pragma once
      23              : 
      24              : #include <memory>
      25              : 
      26              : #include "modularity/imoduleinterface.h"
      27              : 
      28              : #include "global/async/channel.h"
      29              : 
      30              : #include "audio/common/audiotypes.h"
      31              : 
      32              : #include "iaudiocontext.h"
      33              : 
      34              : namespace muse::audio::engine {
      35              : class IAudioEngine : MODULE_GLOBAL_INTERFACE
      36              : {
      37           15 :     INTERFACE_ID(IAudioEngine)
      38              : 
      39              : public:
      40            3 :     virtual ~IAudioEngine() = default;
      41              : 
      42              :     virtual Ret init(const OutputSpec& outputSpec) = 0;
      43              :     virtual void deinit() = 0;
      44              : 
      45              :     virtual RetVal<std::shared_ptr<IAudioContext> > addAudioContext(const AudioCtxId& ctxId) = 0;
      46              :     virtual std::shared_ptr<IAudioContext> context(const AudioCtxId& ctxId) const = 0;
      47              :     virtual void destroyContext(const AudioCtxId& ctxId) = 0;
      48              : 
      49              :     virtual void setOutputSpec(const OutputSpec& outputSpec) = 0;
      50              :     virtual OutputSpec outputSpec() const = 0;
      51              :     virtual async::Channel<OutputSpec> outputSpecChanged() const = 0;
      52              : 
      53              :     virtual samples_t process(float* buffer, samples_t samplesPerChannel) = 0;
      54              : };
      55              : }