wav_containerformat_parser.h

/****************************************************************************
 * modules/include/audio/utilities/wav_containerformat_parser.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
 * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 *
 ****************************************************************************/
 
#ifndef MODULES_INCLUDE_AUDIO_UTILITIES_WAV_CONTAINERFORMAT_PARSER_H
#define MODULES_INCLUDE_AUDIO_UTILITIES_WAV_CONTAINERFORMAT_PARSER_H
 
#include "audio/utilities/wav_containerformat_common.h"
 
typedef void* handel_wav_parser;
 
/* For line buffer mode. */
 
#define STDIO_BUFFER_SIZE 4096
 
#define MAX_CHUNK_LIST 128

 
struct chunk_s
{
 
  uint32_t chunk_id;

 
  int32_t  size;
};
typedef struct chunk_s chunk_t;

 
struct chunk_list_s
{
 
  uint8_t  cnt;

 
  chunk_t  chunk[MAX_CHUNK_LIST];
};
typedef struct chunk_list_s chunk_list_t;

 
struct riff_chunk_s
{
  struct chunk_s  chunk;
  uint32_t        type;
};
typedef struct riff_chunk_s riff_chunk_t;

 
struct fmt_chunk_s
{
 
  uint16_t  format;

 
  uint16_t  channel;

 
  uint32_t  rate;

 
  uint32_t  avgbyte;

 
  uint16_t  block;

 
  uint16_t  bit;

 
  uint16_t  extended_size;
};
typedef struct fmt_chunk_s fmt_chunk_t;

 
struct handel_wav_parser_s
{
  chunk_list_t  chunk_list;
  uint32_t      chunk_offset[MAX_CHUNK_LIST];
  uint32_t      data_offset;
  uint32_t      cur_offset;
  uint32_t      file_size;
  uint32_t      data_size;
  uint32_t      read_size;
  FILE          *fd;
};
typedef struct handel_wav_parser_s handel_wav_parser_t;

 
class WavContainerFormatParser
{
public:
  WavContainerFormatParser() {}
  ~WavContainerFormatParser() {}

  
  handel_wav_parser parseChunk(const char *file_path, fmt_chunk_t *fmt);
  
  
  bool getChunkList(handel_wav_parser handle, chunk_list_t *list);
  
  
  bool getChunk(handel_wav_parser handle, uint32_t chunk_id, int8_t *buffer);
  
  
  int32_t getDataChunk(handel_wav_parser handle, uint16_t format, int8_t *buffer, uint32_t size);
  
  
  void resetParser(handel_wav_parser handle);
 
private:
};
 
#endif /* MODULES_INCLUDE_AUDIO_UTILITIES_WAV_CONTAINERFORMAT_PARSER_H */