vsf_wav.h

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/*****************************************************************************
 *   Copyright(C)2009-2022 by VSF Team                                       *
 *                                                                           *
 *  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 __VSF_WAV_H__
#define __VSF_WAV_H__
 
#include "../../../vsf_av_cfg.h"
 
#if VSF_AUDIO_USE_DECODER_WAV == ENABLED
 
#include "kernel/vsf_kernel.h"
 
#if     defined(__VSF_WAV_CLASS_IMPLEMENT)
#   undef __VSF_WAV_CLASS_IMPLEMENT
#   define __VSF_CLASS_IMPLEMENT__
#endif
 
#include "utilities/ooc_class.h"
 
#ifdef __cplusplus
extern "C" {
#endif
 
/*============================ INCLUDES ======================================*/
/*============================ MACROS ========================================*/
/*============================ MACROFIED FUNCTIONS ===========================*/
/*============================ TYPES =========================================*/
 
typedef enum vk_wav_state_t {
    VSF_WAV_STATE_RIFF,
    VSF_WAV_STATE_FORMAT,
    VSF_WAV_STATE_SEARCH_DATA_TRUNK,
    VSF_WAV_STATE_SKIP_TRUNK,
    VSF_WAV_STATE_PLAYBACK,
} vk_wav_state_t;
 
vsf_class(vk_wav_t) {
    public_member(
        vk_audio_dev_t      *audio_dev;
        uint8_t             audio_stream;
        vsf_stream_t        *stream;
        vsf_err_t           result;
    )
    private_member(
        vsf_eda_t           eda;
        uint32_t            skip_size;
        vk_audio_format_t   format;
        vk_wav_state_t      state;
    )
};
 
/*============================ GLOBAL VARIABLES ==============================*/
/*============================ PROTOTYPES ====================================*/
 
extern vsf_err_t vk_wav_playback_start(vk_wav_t *wav);
extern vsf_err_t vk_wav_playback_stop(vk_wav_t *wav);
 
#ifdef __cplusplus
}
#endif
 
#endif      // VSF_AUDIO_USE_DECODER_WAV
#endif      // __VSF_WAV_H__