audio_codec_ac3.h

来自「AMLOGIC DPF source code」· C头文件 代码 · 共 47 行

/*******************************************************************
 * 
 *  Copyright C 2005 by Amlogic, Inc. All Rights Reserved.
 *
 *  Description: 
 *
 *  Author: Amlogic Software
 *  Created: Thu Nov 10 23:50:47 2005
 *
 *******************************************************************/
#ifndef _AUDIO_CODEC_AC3_H
#define _AUDIO_CODEC_AC3_H
#include "ioapi.h"

DECLARE_DEVICE_DRIVER_INIT(ac3dec);
DECLARE_DEVICE_DRIVER_OPEN(ac3dec);
DECLARE_DEVICE_DRIVER_CLOSE(ac3dec);
DECLARE_DEVICE_DRIVER_READ(ac3dec);
DECLARE_DEVICE_DRIVER_WRITE(ac3dec);
DECLARE_DEVICE_DRIVER_IOCTL(ac3dec);

#define DEVICE_TABLE_AUDIO_AC3DEC \
    {                               \
        audio_device_ac3dec_init,   \
        audio_device_ac3dec_open,   \
        audio_device_ac3dec_close,  \
        audio_device_ac3dec_read,   \
        audio_device_ac3dec_write,  \
        audio_device_ac3dec_ioctl,  \
    }

typedef struct {
    unsigned    outmod              : 3;
    unsigned    dualmod             : 2;
    unsigned    compmod             : 2;
    unsigned    lfeon_off           : 1;
    unsigned    kcapablemod         : 2;
    unsigned    prefer_downmix_mode : 2;
    unsigned    digiout_pcm         : 1;
    unsigned    voice_enhance       : 1;
    unsigned    dynamic_range_hi;
    unsigned    dynamic_range_lo;
    unsigned    pcm_scale;
} _audio_codec_config_ac3dec_t;

#endif /* _AUDIO_CODEC_AC3_H */