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/* ------------------------------------------------------------------
* Copyright (C) 2014 Matthias P. Braendli
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
* express or implied.
* See the License for the specific language governing permissions
* and limitations under the License.
* -------------------------------------------------------------------
*/
#ifndef _FILE_INPUT_H_
#define _FILE_INPUT_H_
#include <stdint.h>
#include <stdio.h>
class FileInput
{
public:
FileInput(const char* filename,
bool raw_input,
int sample_rate) :
m_filename(filename),
m_raw_input(raw_input),
m_sample_rate(sample_rate) { }
~FileInput();
/* Open the file and prepare the wav decoder.
*
* Returns nonzero on error
*/
int prepare(void);
/* Read length bytes into buf.
*
* Returns the number of bytes read.
*/
ssize_t read(uint8_t* buf, size_t length);
int eof();
protected:
const char* m_filename;
bool m_raw_input;
int m_sample_rate;
/* handle to the wav reader */
void *m_wav;
FILE* m_in_fh;
};
#endif
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