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101 lines
3.3 KiB
C++
101 lines
3.3 KiB
C++
////////////////////////////////////////////////////////////
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//
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// SFML - Simple and Fast Multimedia Library
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// Copyright (C) 2007-2023 Laurent Gomila (laurent@sfml-dev.org)
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//
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// This software is provided 'as-is', without any express or implied warranty.
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// In no event will the authors be held liable for any damages arising from the use of this software.
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//
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// Permission is granted to anyone to use this software for any purpose,
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// including commercial applications, and to alter it and redistribute it freely,
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// subject to the following restrictions:
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//
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// 1. The origin of this software must not be misrepresented;
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// you must not claim that you wrote the original software.
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// If you use this software in a product, an acknowledgment
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// in the product documentation would be appreciated but is not required.
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//
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// 2. Altered source versions must be plainly marked as such,
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// and must not be misrepresented as being the original software.
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//
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// 3. This notice may not be removed or altered from any source distribution.
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//
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////////////////////////////////////////////////////////////
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#ifndef SFML_SOUNDSTREAMSTRUCT_H
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#define SFML_SOUNDSTREAMSTRUCT_H
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////////////////////////////////////////////////////////////
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// Headers
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////////////////////////////////////////////////////////////
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#include <SFML/Audio/SoundStream.hpp>
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////////////////////////////////////////////////////////////
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// Helper class implementing the callback forwarding from
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// C++ to C in sfSoundStream
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////////////////////////////////////////////////////////////
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class sfSoundStreamImpl : public sf::SoundStream
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{
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public :
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sfSoundStreamImpl(sfSoundStreamGetDataCallback onGetData,
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sfSoundStreamSeekCallback onSeek,
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unsigned int channelCount,
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unsigned int sampleRate,
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void* userData) :
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myGetDataCallback(onGetData),
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mySeekCallback (onSeek),
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myUserData (userData)
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{
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initialize(channelCount, sampleRate);
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}
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private :
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virtual bool onGetData(Chunk& data)
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{
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sfSoundStreamChunk chunk = {NULL, 0};
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bool ok = (myGetDataCallback(&chunk, myUserData) == sfTrue);
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data.samples = chunk.samples;
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data.sampleCount = chunk.sampleCount;
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return ok;
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}
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virtual void onSeek(sf::Time timeOffset)
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{
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if (mySeekCallback)
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{
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sfTime time = {timeOffset.asMicroseconds()};
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mySeekCallback(time, myUserData);
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}
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}
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sfSoundStreamGetDataCallback myGetDataCallback;
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sfSoundStreamSeekCallback mySeekCallback;
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void* myUserData;
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};
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////////////////////////////////////////////////////////////
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// Internal structure of sfSoundStream
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////////////////////////////////////////////////////////////
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struct sfSoundStream
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{
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sfSoundStream(sfSoundStreamGetDataCallback onGetData,
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sfSoundStreamSeekCallback onSeek,
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unsigned int channelCount,
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unsigned int sampleRate,
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void* userData) :
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This(onGetData, onSeek, channelCount, sampleRate, userData)
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{
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}
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sfSoundStreamImpl This;
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};
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#endif // SFML_SOUNDSTREAMSTRUCT_H
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