mirror of
https://github.com/badaix/snapcast.git
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76 lines
2 KiB
C++
76 lines
2 KiB
C++
/***
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This file is part of snapcast
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Copyright (C) 2014-2020 Johannes Pohl
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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***/
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#ifndef OPEN_SL_PLAYER_H
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#define OPEN_SL_PLAYER_H
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#include <SLES/OpenSLES.h>
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#include <SLES/OpenSLES_Android.h>
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#include <string>
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#include "player.hpp"
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typedef int (*AndroidAudioCallback)(short* buffer, int num_samples);
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/// OpenSL Audio Player
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/**
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* Player implementation for OpenSL (e.g. Android)
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*/
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class OpenslPlayer : public Player
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{
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public:
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OpenslPlayer(const PcmDevice& pcmDevice, std::shared_ptr<Stream> stream);
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virtual ~OpenslPlayer();
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virtual void start();
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virtual void stop();
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void playerCallback(SLAndroidSimpleBufferQueueItf bq);
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protected:
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void initOpensl();
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void uninitOpensl();
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virtual void worker();
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void throwUnsuccess(const std::string& phase, const std::string& what, SLresult result);
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std::string resultToString(SLresult result) const;
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// engine interfaces
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SLObjectItf engineObject;
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SLEngineItf engineEngine;
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SLObjectItf outputMixObject;
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// buffer queue player interfaces
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SLObjectItf bqPlayerObject;
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SLPlayItf bqPlayerPlay;
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SLAndroidSimpleBufferQueueItf bqPlayerBufferQueue;
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SLVolumeItf bqPlayerVolume;
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// Double buffering.
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int curBuffer;
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char* buffer[2];
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size_t ms_;
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size_t frames_;
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size_t buff_size;
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std::shared_ptr<Stream> pubStream_;
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};
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#endif
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