hi_avenc.h

嵌入式linux系统下hi3510平台的osd开发源码

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

  Copyright (C), 2001-2011, Hisilicon Tech. Co., Ltd.

 ******************************************************************************
  File Name     : hi_avenc.h
  Version       : Initial Draft
  Author        : Hisilicon multimedia software group
  Created       : 2006/01/19
  Description   : 
  History       :
  1.Date        : 2006/01/19
    Author      : Z44949
    Modification: Created file

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

#ifndef __HI_AVENC_H__
#define __HI_AVENC_H__


#ifdef __cplusplus
#if __cplusplus
extern "C"{
#endif
#endif /* End of #ifdef __cplusplus */

/*--------------------------Error coder defination---------------------------*/
/*  Invalid channel */
#define HI_ERR_AVENC_INVALID_CHN     HI_DEF_ERR(HI_ID_AVENC, HI_LOG_LEVEL_ERROR, 1)

/* The VENC channel is in use */
#define HI_ERR_AVENC_VCHN_USING      HI_DEF_ERR(HI_ID_AVENC, HI_LOG_LEVEL_ERROR, 2)

/* The AENC channel is in use */
#define HI_ERR_AVENC_ACHN_USING      HI_DEF_ERR(HI_ID_AVENC, HI_LOG_LEVEL_ERROR, 3)

/* The pointer may be NULL */
#define HI_ERR_AVENC_INVALID_PTR     HI_DEF_ERR(HI_ID_AVENC, HI_LOG_LEVEL_ERROR, 4)

/* The AVENC channel not be created */
#define HI_ERR_AVENC_CHN_NOT_CREATE  HI_DEF_ERR(HI_ID_AVENC, HI_LOG_LEVEL_ERROR, 5)

/* AVENC channel is runing */
#define HI_ERR_AVENC_CHN_NOT_STOP    HI_DEF_ERR(HI_ID_AVENC, HI_LOG_LEVEL_ERROR, 6)

/* The AVENC has been started */
#define HI_ERR_AVENC_CHN_RESTART     HI_DEF_ERR(HI_ID_AVENC, HI_LOG_LEVEL_ERROR, 7)

/* The AENC channel not exist */
#define HI_ERR_AVENC_AUDIO_NOT_EXIST HI_DEF_ERR(HI_ID_AVENC, HI_LOG_LEVEL_ERROR, 8)

/* The VENC channel not exist */
#define HI_ERR_AVENC_VIDEO_NOT_EXIST HI_DEF_ERR(HI_ID_AVENC, HI_LOG_LEVEL_ERROR, 9)

/* The AENC channel has been used by others */
#define HI_ERR_AVENC_AUDIO_USEDBYOTHER HI_DEF_ERR(HI_ID_AVENC, HI_LOG_LEVEL_ERROR, 10)

/* The VENC channel has been used by others */
#define HI_ERR_AVENC_VIDEO_USEDBYOTHER HI_DEF_ERR(HI_ID_AVENC, HI_LOG_LEVEL_ERROR, 11)

/* The AVENC channel has not been started */
#define HI_ERR_AVENC_CHN_NOT_START   HI_DEF_ERR(HI_ID_AVENC, HI_LOG_LEVEL_ERROR, 12)

/* Some stream buffer may be hold by user. */
#define HI_ERR_AVENC_BUFFER_NOTFREE  HI_DEF_ERR(HI_ID_AVENC, HI_LOG_LEVEL_ERROR, 13)

/* Invalid operate object */
#define HI_ERR_AVENC_INVALID_OBJECT  HI_DEF_ERR(HI_ID_AVENC, HI_LOG_LEVEL_ERROR, 14)

/* Not stream available */
#define HI_ERR_AVENC_NO_STREAM       HI_DEF_ERR(HI_ID_AVENC, HI_LOG_LEVEL_ERROR, 15)

/* The AENC channel attribute is noblock */
#define HI_ERR_AVENC_AUDIONONBLOCK   HI_DEF_ERR(HI_ID_AVENC, HI_LOG_LEVEL_ERROR, 16)

/* The water level is invalid */
#define HI_ERR_AVENC_INVALID_WATERLEVEL HI_DEF_ERR(HI_ID_AVENC, HI_LOG_LEVEL_ERROR, 17)

/*------------------------End of error code defination-----------------------*/



typedef int AVENC_CHN;        /* AVENC channel data type */

/* The list node struct */
typedef struct hiAVENC_LIST_S
{
    HI_VOID               *pData;  /* The data pointer        */
    struct hiAVENC_LIST_S *pNext;  /* The list next pointer   */
} AVENC_LIST_S;

/* AVENC stream frame defination */
typedef struct hiAVENC_STREAM_S
{
    AVENC_LIST_S *pAudioListHead;     /* The audio list head        */
    AVENC_LIST_S *pVideoListHead;     /* The video list head        */
    HI_U32        u32Seq;             /* The AVENC stream sequence. */
} AVENC_STREAM_S;

/* Define the object which can be used for AVENC */
typedef enum hiAVENC_OPERATE_OBJECT_E
{
    AVENC_OPERATION_BOTH =0,  /* Operate audio and video both */
    AVENC_OPERATION_AUDIO=1,  /* Operate audio only           */ 
    AVENC_OPERATION_VIDEO=2,  /* Operate video only           */
    AVENC_OPERATION_BUTT
}AVENC_OPERATE_OBJECT_E;

/* Create AVENC channel */
HI_S32 HI_AVENC_CreatCH(VENC_CHN VChnId,AENC_CHN AChnId,AVENC_CHN *pAVChnId);

/* Destroy the AVENC channel */
HI_S32 HI_AVENC_DestroyCH(AVENC_CHN AVChnId, HI_BOOL bFlag);

/* Start the AVENC channel */
HI_S32 HI_AVENC_StartCH(AVENC_CHN AVChnId, 
                        AVENC_OPERATE_OBJECT_E enObject,
                        HI_S32 s32Priority);

/* Stop the AVENC channel */
HI_S32 HI_AVENC_StopCH(AVENC_CHN ChanID, AVENC_OPERATE_OBJECT_E enObject);


/*
** Get the AVENC stream. The audio and video is synchronization 
** The sample follow shows how to access the first audio data and video data 
**   AENC_STREAM_S *pAudioData;
**   pAudioData = (AENC_STREAM_S *)(pStream->pAudioListHead->pData);
**   
**   VENC_STREAM_S *pVideoData;
**   pVideoData = (VENC_STREAM_S *)(pStream->pVideoListHead->pData);
*/
HI_S32 HI_AVENC_GetStream(AVENC_CHN ChanID, AVENC_STREAM_S *pStream,HI_BOOL bFlag);

/* After the stream is used, user application must release the stream. */
HI_S32 HI_AVENC_ReleaseStream(AVENC_CHN ChanID, AVENC_STREAM_S *pStream);

/* Define the function type of audio encoder function */
typedef HI_S32 (*AENC_GetStream_Fun)(HI_S32, AENC_STREAM_S *, HI_U32 reserve);

/* Register the audio encoder funtion */
HI_S32 HI_AVENC_RegisterFun(AVENC_CHN AVChnId, AENC_GetStream_Fun pFun);

#define AVENC_MAX_OVERFLOWLEVEL (~0UL)>>1
/*
** Set the water level of queue over flow
** WARNING: You should be careful to set this property
*/
HI_S32 HI_AVENC_SetOverFlowLevel(AVENC_CHN ChanId,
                        AVENC_OPERATE_OBJECT_E enObject,
                        HI_S32 s32Value);

/* Get the water level of queue over flow */
HI_S32 HI_AVENC_GetOverFlowLevel(AVENC_CHN ChanId,
                        AVENC_OPERATE_OBJECT_E enObject,
                        HI_S32 *pValue);

#ifdef __cplusplus
#if __cplusplus
}
#endif
#endif /* End of #ifdef __cplusplus */


#endif /* End of #ifndef __HI_AVENC_H__ */