al_inputnode.h

/****************************************************************************
 * modules/audiolite/al_inputnode.h
 *
 *   Copyright 2023 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 __INCLUDE_AUDIOLITE_INPUTNODE_H
#define __INCLUDE_AUDIOLITE_INPUTNODE_H
 
/****************************************************************************
 * Included Files
 ****************************************************************************/
 
#include <assert.h>
#include <mossfw/mossfw_component.h>
 
#include <audiolite/al_memalloc.h>
#include <audiolite/al_nodecomm.h>
 
/****************************************************************************
 * Pre-processor Definitions
 ****************************************************************************/
 
#define DEFAULT_INPUT_QDEPTH  (4)
 
/****************************************************************************
 * Class Pre-definitions
 ****************************************************************************/
 
class audiolite_component;
class audiolite_outputnode;
 
/****************************************************************************
 * Class Definitions
 ****************************************************************************/
 
/****************************************************************************
 * class: audiolite_inputnode
 ****************************************************************************/
 
class audiolite_inputnode
{
  private:
    audiolite_component *_component;
    audiolite_nodecomm _comm;
    audiolite_outputnode *_connected;
    mossfw_input_t *_input;
    mossfw_callback_op_t *_op;
 
    audiolite_inputnode *_nextnode;
 
  public:
    audiolite_inputnode(audiolite_component *cmp, int depth = DEFAULT_INPUT_QDEPTH);
    ~audiolite_inputnode();
 
    int setup_operation(mossfw_callback_op_t *op);
    void start_operation();
    void stop_operation();
    int reset_operation();
    bool can_breakdata();
    void release_allstoredbuff();
    audiolite_mem *pop_data(int *used);
 
  friend class audiolite_outputnode;
  friend class audiolite_component;
  friend int audiolite_start(audiolite_outputnode *node);
  friend void audiolite_stop(audiolite_outputnode *node);
  friend void audiolite_reflesh(audiolite_outputnode *node);
  friend int audiolite_start(audiolite_inputnode *node);
  friend void audiolite_stop(audiolite_inputnode *node);
  friend void audiolite_reflesh(audiolite_inputnode *node);
};
 
/****************************************************************************
 * Public Function Prototypes
 ****************************************************************************/
 
int audiolite_start(audiolite_inputnode *node);
void audiolite_stop(audiolite_inputnode *node);
void audiolite_reflesh(audiolite_inputnode *node);
 
#endif /* __INCLUDE_AUDIOLITE_INPUTNODE_H */