AudioEncoder.hpp

Go to the documentation of this file.

/*
    DiscordCoreAPI, A bot library for Discord, written in C++, and featuring explicit multithreading through the usage of custom, asynchronous C++ CoRoutines.
 
    Copyright 2021, 2022 Chris M. (RealTimeChris)
 
    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
    License as published by the Free Software Foundation; either
    version 2.1 of the License, or (at your option) any later version.
 
    This library is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public
    License along with this library; if not, write to the Free Software
    Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301
    USA
*/
/// AudioEncoder.hpp - Header for the audio encoder class.
/// Aug 22, 2021
/// https://discordcoreapi.com
/// \file AudioEncoder.hpp
 
#pragma once
 
#include <discordcoreapi/FoundationEntities.hpp>
#include <opus/opus.h>
 
namespace DiscordCoreInternal {
 
    struct DiscordCoreAPI_Dll EncoderReturnData {
        std::basic_string_view<std::byte> data{};
        size_t sampleCount{};
    };
 
    struct DiscordCoreAPI_Dll OpusEncoderWrapper {
        struct DiscordCoreAPI_Dll OpusEncoderDeleter {
            void operator()(OpusEncoder*) noexcept;
        };
 
        OpusEncoderWrapper();
 
        EncoderReturnData encodeData(std::basic_string_view<std::byte> inputFrame);
 
      protected:
        std::unique_ptr<OpusEncoder, OpusEncoderDeleter> ptr{ nullptr, OpusEncoderDeleter{} };
        std::basic_string<std::byte> encodedData{};
        const int32_t maxBufferSize{ 1276 };
        const int32_t sampleRate{ 48000 };
        const int32_t nChannels{ 2 };
    };
 
}// namespace DiscordCoreAPI