source: svn/newcon3bcm2_21bu/nexus/modules/audio/7552/include/nexus_ac3_encode.h

/***************************************************************************
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* $brcm_Workfile: nexus_ac3_encode.h $
* $brcm_Revision: 5 $
* $brcm_Date: 5/25/11 5:16p $
*
* API Description:
*   API name: Ac3Encode
*    Specific APIs related to AC3 Audio Encoding
*
* Revision History:
*
* $brcm_Log: /nexus/modules/audio/7400/include/nexus_ac3_encode.h $
* 
* 5   5/25/11 5:16p jgarrett
* SW7425-408: Adding BDBG_OBJECT to input/output types and MS11 features
* 
* 4   4/22/11 10:43a erickson
* SW7420-1148: remove attr{shutdown=NEXUS_AudioInput_Shutdown}
* 
* 3   12/14/10 3:18p erickson
* SW7420-1285: add null_allowed attribute
* 
* 2   10/4/08 6:22a jgarrett
* PR 45709: Adding AC3 encode
* 
***************************************************************************/

#ifndef NEXUS_AC3_ENCODE_H__
#define NEXUS_AC3_ENCODE_H__

#include "nexus_types.h"
#include "nexus_audio_types.h"

#ifdef __cplusplus
extern "C" {
#endif

/*=************************************
Interface: Ac3Encode

Header file: nexus_ac3_encode.h

Module: Audio

Description: AC3 Audio Encoding

**************************************/

/**
Summary:
Handle for AC3 Encode stage
**/
typedef struct NEXUS_Ac3Encode *NEXUS_Ac3EncodeHandle;

/***************************************************************************
Summary:
AC3 Encode Settings
***************************************************************************/
typedef struct NEXUS_Ac3EncodeSettings
{
    bool spdifHeaderEnabled;    /* If true, SPDIF header generation is enabled.  */
    bool certificationMode;     /* If true, run in certification mode.  Set to false for normal operation. */
} NEXUS_Ac3EncodeSettings;

/***************************************************************************
Summary:
    Get default settings for an AC3 Encode stage
***************************************************************************/
void NEXUS_Ac3Encode_GetDefaultSettings(
    NEXUS_Ac3EncodeSettings *pSettings   /* [out] default settings */
    );

/***************************************************************************
Summary:
    Open an AC3 Encode stage
***************************************************************************/
NEXUS_Ac3EncodeHandle NEXUS_Ac3Encode_Open( /* attr{destructor=NEXUS_Ac3Encode_Close}  */
    const NEXUS_Ac3EncodeSettings *pSettings     /* attr{null_allowed=y} */
    );

/***************************************************************************
Summary:
    Close an AC3 Encode stage
    
Description:
    Input to the stage must be removed prior to closing.
***************************************************************************/
void NEXUS_Ac3Encode_Close(
    NEXUS_Ac3EncodeHandle handle
    );

/***************************************************************************
Summary:
    Get Settings for an AC3 Encode stage
***************************************************************************/
void NEXUS_Ac3Encode_GetSettings(
    NEXUS_Ac3EncodeHandle handle,
    NEXUS_Ac3EncodeSettings *pSettings    /* [out] Settings */
    );

/***************************************************************************
Summary:
    Set Settings for an AC3 Encode stage
***************************************************************************/
NEXUS_Error NEXUS_Ac3Encode_SetSettings(
    NEXUS_Ac3EncodeHandle handle,
    const NEXUS_Ac3EncodeSettings *pSettings
    );

/***************************************************************************
Summary:
    Get the audio connector for an AC3 Encode stage
***************************************************************************/
NEXUS_AudioInput NEXUS_Ac3Encode_GetConnector( 
    NEXUS_Ac3EncodeHandle handle
    );

/***************************************************************************
Summary:
Add an input to this processing stage
***************************************************************************/
NEXUS_Error NEXUS_Ac3Encode_AddInput(
    NEXUS_Ac3EncodeHandle handle,
    NEXUS_AudioInput input
    );

/***************************************************************************
Summary:
Remove an input from this processing stage
***************************************************************************/
NEXUS_Error NEXUS_Ac3Encode_RemoveInput(
    NEXUS_Ac3EncodeHandle handle,
    NEXUS_AudioInput input
    );

/***************************************************************************
Summary:
Remove all inputs from this processing stage
***************************************************************************/
NEXUS_Error NEXUS_Ac3Encode_RemoveAllInputs(
    NEXUS_Ac3EncodeHandle handle
    );

#ifdef __cplusplus
}
#endif

#endif /* #ifndef NEXUS_AC3_ENCODE_H__ */