Aegisub/aegisub/src/audio_provider_stream.h

80 lines
2.7 KiB
C++

// Copyright (c) 2006, Rodrigo Braz Monteiro
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// * Redistributions of source code must retain the above copyright notice,
// this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above copyright notice,
// this list of conditions and the following disclaimer in the documentation
// and/or other materials provided with the distribution.
// * Neither the name of the Aegisub Group nor the names of its contributors
// may be used to endorse or promote products derived from this software
// without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
// POSSIBILITY OF SUCH DAMAGE.
//
// -----------------------------------------------------------------------------
//
// AEGISUB
//
// Website: http://aegisub.cellosoft.com
// Contact: mailto:zeratul@cellosoft.com
//
#pragma once
///////////
// Headers
#include <list>
#include <vector>
#include "include/aegisub/audio_provider.h"
////////////////////////
// Audio provider class
class StreamAudioProvider : public AudioProvider {
private:
// Buffer chunk subclass
class BufferChunk {
public:
std::vector<short> buf;
bool isFree;
BufferChunk();
};
std::list<BufferChunk*> buffer;
int startPos;
int endPos;
int bufLen;
int buffered;
bool hasBuf;
public:
StreamAudioProvider();
~StreamAudioProvider();
// The AreSamplesNativeEndian() method is intentionally missing.
// This class was used with the experimental scrubbing code but never
// used outside that.
// The method is left out to make it break compilation in case it does
// get used again, so it can get a review and stuff.
void GetAudio(void *buf, int64_t start, int64_t count);
void Append(void *buf, int64_t count);
void SetParams(int channels,int rate,int bps);
};