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98 lines
3.2 KiB
C++
98 lines
3.2 KiB
C++
////////////////////////////////////////////////////////////
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//
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// SFML - Simple and Fast Multimedia Library
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// Copyright (C) 2007-2009 Laurent Gomila (laurent.gom@gmail.com)
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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 ChannelsCount,
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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(ChannelsCount, 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 Continue = (myGetDataCallback(&Chunk, myUserData) == sfTrue);
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Data.Samples = Chunk.Samples;
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Data.NbSamples = Chunk.NbSamples;
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return Continue;
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}
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virtual void OnSeek(sfUint32 TimeOffset)
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{
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if (mySeekCallback)
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mySeekCallback(TimeOffset, myUserData);
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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 ChannelsCount,
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unsigned int SampleRate,
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void* UserData) :
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This(OnGetData, OnSeek, ChannelsCount, 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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