wav_containerformat.h

/****************************************************************************
 * modules/include/audio/utilities/wav_containerformat.h
 *
 *   Copyright 2018 Sony Semiconductor Solutions Corporation
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. 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.
 * 3. Neither the name of Sony Semiconductor Solutions Corporation 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
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 ****************************************************************************/
 
#ifndef MODULES_INCLUDE_AUDIO_UTILITIES_WAV_CONTAINERFORMAT_H
#define MODULES_INCLUDE_AUDIO_UTILITIES_WAV_CONTAINERFORMAT_H
 
#include "audio/utilities/wav_containerformat_common.h"
 
#define FORMAT_ID_PCM WAVE_FORMAT_PCM
 
#define FMT_CHUNK_SIZE    16
 
struct wav_header_s
{
  uint32_t riff;
 
  uint32_t total_size;
 
  uint32_t wave;
 
  uint32_t fmt;
 
  uint32_t fmt_size;
 
  uint16_t format;
 
  uint16_t channel;
 
  uint32_t rate;
 
  uint32_t avgbyte;
 
  uint16_t block;
 
  uint16_t bit;
 
  uint32_t data;
 
  uint32_t data_size;
};
typedef struct wav_header_s WAVHEADER;
 
class WavContainerFormat
{
public:
  WavContainerFormat() :
    m_format_id(0),
    m_channel_number(0),
    m_sampling_rate(0),
    m_bitwidth(0)
    {}
  ~WavContainerFormat() {}
 
  bool init(uint16_t  format_id,
            uint16_t  channel_number,
            uint32_t  sampling_rate);
 
  bool init(uint16_t  format_id,
            uint16_t  channel_number,
            uint32_t  sampling_rate,
            uint8_t   bitwidth);
 
  bool getHeader(WAVHEADER *wav_header,
                 uint32_t data_size);
 
private:
  uint16_t  m_format_id;
  uint16_t  m_channel_number;
  uint32_t  m_sampling_rate;
  uint8_t   m_bitwidth;
};
 
#endif /* MODULES_INCLUDE_AUDIO_UTILITIES_WAV_CONTAINERFORMAT_H */