75 lines
1.9 KiB
C
75 lines
1.9 KiB
C
/*
|
|
** aldatasource.h
|
|
**
|
|
** This file is part of mkxp.
|
|
**
|
|
** Copyright (C) 2014 Jonas Kulla <Nyocurio@gmail.com>
|
|
**
|
|
** mkxp is free software: you can redistribute it and/or modify
|
|
** it under the terms of the GNU General Public License as published by
|
|
** the Free Software Foundation, either version 2 of the License, or
|
|
** (at your option) any later version.
|
|
**
|
|
** mkxp is distributed in the hope that it will be useful,
|
|
** but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
** GNU General Public License for more details.
|
|
**
|
|
** You should have received a copy of the GNU General Public License
|
|
** along with mkxp. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#ifndef ALDATASOURCE_H
|
|
#define ALDATASOURCE_H
|
|
|
|
#include "al-util.h"
|
|
|
|
struct ALDataSource
|
|
{
|
|
enum Status
|
|
{
|
|
NoError,
|
|
EndOfStream,
|
|
WrapAround,
|
|
Error
|
|
};
|
|
|
|
virtual ~ALDataSource() {}
|
|
|
|
/* Read/process next chunk of data, and attach it
|
|
* to provided AL buffer */
|
|
virtual Status fillBuffer(AL::Buffer::ID alBuffer) = 0;
|
|
|
|
/* Read everything into the provided buffer */
|
|
virtual int fillBufferFull(AL::Buffer::ID alBuffer) {
|
|
return 0;
|
|
};
|
|
|
|
virtual int sampleRate() = 0;
|
|
|
|
/* If the source doesn't support seeking, it will
|
|
* reset back to the beginning */
|
|
virtual void seekToOffset(float seconds) = 0;
|
|
|
|
/* The frame count right after wrap around */
|
|
virtual uint32_t loopStartFrames() = 0;
|
|
|
|
/* Returns false if not supported */
|
|
virtual bool setPitch(float value) = 0;
|
|
};
|
|
|
|
#ifndef __EMSCRIPTEN__
|
|
ALDataSource *createSDLSource(SDL_RWops &ops,
|
|
const char *extension,
|
|
uint32_t maxBufSize,
|
|
bool looped);
|
|
#endif
|
|
|
|
ALDataSource *createVorbisSource(SDL_RWops &ops,
|
|
bool looped);
|
|
|
|
ALDataSource *createMidiSource(SDL_RWops &ops,
|
|
bool looped);
|
|
|
|
#endif // ALDATASOURCE_H
|