dile_audio_direct.h

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/******************************************************************************
 *   DTV LABORATORY, LG ELECTRONICS INC., SEOUL, KOREA
 *   Copyright(c) 1999 by LG Electronics Inc.
 *
 *   All rights reserved. No part of this work may be reproduced, stored in a
 *   retrieval system, or transmitted by any means without prior written
 *   permission of LG Electronics Inc.
 *****************************************************************************/
 
/******************************************************************************
    Header File Guarder
******************************************************************************/
#ifndef __DILE_AUDIO_DIRECT_H__
#define __DILE_AUDIO_DIRECT_H__
 
/******************************************************************************
    File Inclusions
******************************************************************************/
 
#ifdef __cplusplus
extern "C"
{
#endif
 
/******************************************************************************
    Constant Definitions
******************************************************************************/
 
/******************************************************************************
    Macro Definitions
******************************************************************************/
 
/******************************************************************************
    Type Definitions
******************************************************************************/
 
#ifndef DILE_STATUS_T
 
typedef enum
{
    DILE_OK = 0,
    DILE_NOT_OK = -1,
} _DILE_STATUS_T;
 
#define DILE_STATUS_T _DILE_STATUS_T
 
#endif
 
typedef enum
{
    DILE_AUDIO_DIRECT_MAIN = 0,
    DILE_AUDIO_DIRECT_SUB,
 
    DILE_AUDIO_DIRECT_CHANNEL_MAX = 2
} DILE_AUDIO_DIRECT_CHANNEL_T;
 
typedef enum
{
    DILE_AUDIO_DIRECT_ADEC0         = 0,
    DILE_AUDIO_DIRECT_ADEC1         = 1,
    DILE_AUDIO_DIRECT_ADEC2         = 2,
    DILE_AUDIO_DIRECT_ADEC3         = 3,
    DILE_AUDIO_DIRECT_MIXER0        = 4,    /* G-Streamer Mixer  0 */
    DILE_AUDIO_DIRECT_MIXER1        = 5,    /* G-Streamer Mixer  1 */
    DILE_AUDIO_DIRECT_MIXER2        = 6,    /* G-Streamer Mixer  2 */
    DILE_AUDIO_DIRECT_MIXER3        = 7,    /* G-Streamer Mixer  3 */
    DILE_AUDIO_DIRECT_MIXER4        = 8,    /* G-Streamer Mixer  4 */
    DILE_AUDIO_DIRECT_MIXER5        = 9,    /* DILE AUDIO Mixer  0 */
    DILE_AUDIO_DIRECT_MIXER6        = 10,   /* ALSA AUDIO Mixer  0 */
    DILE_AUDIO_DIRECT_MIXER7        = 11,   /* ALSA AUDIO Mixer  1 */
    DILE_AUDIO_DIRECT_MIXER_MAX     = DILE_AUDIO_DIRECT_MIXER7,
} DILE_AUDIO_DIRECT_INDEX_T;
 
typedef enum
{
    DILE_AUDIO_DIRECT_SRC_TYPE_UNKNOWN,         
    DILE_AUDIO_DIRECT_SRC_TYPE_PCM,             
    DILE_AUDIO_DIRECT_SRC_TYPE_AC3,             
    DILE_AUDIO_DIRECT_SRC_TYPE_AAC,             
    DILE_AUDIO_DIRECT_SRC_TYPE_MP3,             
} DILE_AUDIO_DIRECT_SRC_TYPE_T;
 
typedef enum
{
    DILE_AUDIO_DIRECT_SAMPLING_FREQ_NONE        =        0,
    DILE_AUDIO_DIRECT_SAMPLING_FREQ_4_KHZ,
    DILE_AUDIO_DIRECT_SAMPLING_FREQ_8_KHZ,
    DILE_AUDIO_DIRECT_SAMPLING_FREQ_11_025KHZ,
    DILE_AUDIO_DIRECT_SAMPLING_FREQ_12_KHZ,
    DILE_AUDIO_DIRECT_SAMPLING_FREQ_16_KHZ,
    DILE_AUDIO_DIRECT_SAMPLING_FREQ_22_05KHZ,
    DILE_AUDIO_DIRECT_SAMPLING_FREQ_24_KHZ,
    DILE_AUDIO_DIRECT_SAMPLING_FREQ_32_KHZ,
    DILE_AUDIO_DIRECT_SAMPLING_FREQ_44_1KHZ,
    DILE_AUDIO_DIRECT_SAMPLING_FREQ_48_KHZ,
    DILE_AUDIO_DIRECT_SAMPLING_FREQ_64_KHZ,
} DILE_AUDIO_DIRECT_SAMPLING_FREQ_T;
 
typedef struct
{
    DILE_AUDIO_DIRECT_CHANNEL_T         audioChannel;
    DILE_AUDIO_DIRECT_SRC_TYPE_T        audioSource;
    DILE_AUDIO_DIRECT_SAMPLING_FREQ_T   samplingFreq;
    unsigned int                        numberOfChannel;
    unsigned int                        bitPerSample;
} DILE_AUDIO_DIRECT_DATA_INFO_T;
/******************************************************************************
    Function Declaration
******************************************************************************/
DILE_STATUS_T DILE_AUDIO_DIRECT_Open(DILE_AUDIO_DIRECT_CHANNEL_T audioChannel, DILE_AUDIO_DIRECT_INDEX_T audioIndex);
 
DILE_STATUS_T DILE_AUDIO_DIRECT_Start(DILE_AUDIO_DIRECT_DATA_INFO_T audioDataInfo);
 
DILE_STATUS_T DILE_AUDIO_DIRECT_Write(DILE_AUDIO_DIRECT_CHANNEL_T audioChannel, void *pBuff, unsigned int bufSize);
 
DILE_STATUS_T DILE_AUDIO_DIRECT_Stop(DILE_AUDIO_DIRECT_CHANNEL_T audioChannel);
 
DILE_STATUS_T DILE_AUDIO_DIRECT_Close(DILE_AUDIO_DIRECT_CHANNEL_T audioChannel);
 
DILE_STATUS_T DILE_AUDIO_DIRECT_Pause(DILE_AUDIO_DIRECT_CHANNEL_T audioChannel);
 
DILE_STATUS_T DILE_AUDIO_DIRECT_Resume(DILE_AUDIO_DIRECT_CHANNEL_T audioChannel);
 
DILE_STATUS_T DILE_AUDIO_DIRECT_Flush(DILE_AUDIO_DIRECT_CHANNEL_T audioChannel);
 
DILE_STATUS_T DILE_AUDIO_DIRECT_GetBufferInfo(DILE_AUDIO_DIRECT_CHANNEL_T audioChannel, unsigned int *pMaxBufSize, unsigned int *pFreeBufSize);
 
DILE_STATUS_T DILE_AUDIO_DIRECT_GetRawBufferInfo(DILE_AUDIO_DIRECT_CHANNEL_T audioChannel, unsigned int *pMaxBufSize, unsigned int *pFreeBufSize);
 
DILE_STATUS_T DILE_AUDIO_DIRECT_SetNoDelayParam(DILE_AUDIO_DIRECT_CHANNEL_T audioChannel, unsigned int bOnOff, unsigned int upperThreshold, unsigned int lowerThreshold);
 
#ifdef __cplusplus
}
#endif
 
#endif /* __DILE_AUDIO_DIRECT_H__ */