74 lines
2.6 KiB
C++
74 lines
2.6 KiB
C++
// Copyright (c) 2007, Niels Martin Hansen
|
|
// 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:jiifurusu@gmail.com
|
|
//
|
|
|
|
|
|
#pragma once
|
|
|
|
|
|
///////////
|
|
// Headers
|
|
#include "audio_provider.h"
|
|
#include <wx/file.h>
|
|
#include <vector>
|
|
|
|
|
|
/////////////////////////////
|
|
// Audio provider base class
|
|
class PCMAudioProvider : public AudioProvider {
|
|
protected:
|
|
wxMutex filemutex;
|
|
wxFile file;
|
|
|
|
// Hold data for an index point,
|
|
// to support files where audio data are
|
|
// split into multiple blocks.
|
|
// Using long long's should be safe on most compilers,
|
|
// wx defines wxFileOffset as long long when possible
|
|
struct IndexPoint {
|
|
long long start_byte;
|
|
long long start_sample;
|
|
long long num_samples;
|
|
};
|
|
typedef std::vector<IndexPoint> IndexVector;
|
|
IndexVector index_points;
|
|
|
|
public:
|
|
virtual void GetAudio(void *buf, long long start, long long count);
|
|
};
|
|
|
|
// Construct the right PCM audio provider (if any) for the file
|
|
AudioProvider *CreatePCMAudioProvider(const wxString &filename);
|
|
|