Urho3D/Source/Engine/Audio/SoundStream.h

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C++

//
// Copyright (c) 2008-2014 the Urho3D project.
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
//
#pragma once
#include "RefCounted.h"
namespace Urho3D
{
/// Base class for sound streams.
class URHO3D_API SoundStream : public RefCounted
{
public:
/// Construct.
SoundStream();
/// Destruct.
~SoundStream();
/// Produce sound data into destination. Return number of bytes produced. Called by SoundSource from the mixing thread.
virtual unsigned GetData(signed char* dest, unsigned numBytes) = 0;
/// Set sound data format.
void SetFormat(unsigned frequency, bool sixteenBit, bool stereo);
/// Set whether playback should stop when no more data. Default false.
void SetStopAtEnd(bool enable);
/// Return sample size.
unsigned GetSampleSize() const;
/// Return default frequency as a float.
float GetFrequency() const { return (float)frequency_; }
/// Return default frequency as an integer.
unsigned GetIntFrequency() const { return frequency_; }
/// Return whether playback should stop when no more data.
bool GetStopAtEnd() const { return stopAtEnd_; }
/// Return whether data is sixteen bit.
bool IsSixteenBit() const { return sixteenBit_; }
/// Return whether data is stereo.
bool IsStereo() const { return stereo_; }
protected:
/// Default frequency.
unsigned frequency_;
/// Stop when no more data flag.
bool stopAtEnd_;
/// Sixteen bit flag.
bool sixteenBit_;
/// Stereo flag.
bool stereo_;
};
}