source: svn/trunk/newcon3bcm2_21bu/dta/src/settop_api/vprimer.h @ 53

/***************************************************************************
 *     Copyright (c) 2003-2009, Broadcom Corporation
 *     All Rights Reserved
 *     Confidential Property of Broadcom Corporation
 *
 *  THIS SOFTWARE MAY ONLY BE USED SUBJECT TO AN EXECUTED SOFTWARE LICENSE
 *  AGREEMENT  BETWEEN THE USER AND BROADCOM.  YOU HAVE NO RIGHT TO USE OR
 *  EXPLOIT THIS MATERIAL EXCEPT SUBJECT TO THE TERMS OF SUCH AN AGREEMENT.
 *
 * $brcm_Workfile: $
 * $brcm_Revision: $
 * $brcm_Date: $
 *
 * Module Description: Video primer module for fast channel change support.
 *
 * Revision History:
 *
 * $brcm_Log: $
 * 
 *
 ***************************************************************************/

#if !defined(__VPRIMER_H__)
#define __VPRIMER_H__ 1

#include "bxpt_rave.h"
/***************************************************************************
Summary: VPrimer_Handle is a video primer handle
Description: Video primer handle is returned by open and used for all
  subsequent operations on the primer.
SeeAlso:
None
***************************************************************************/
typedef struct VPrimer_t * VPrimer_Handle;

/***************************************************************************
Summary: Initialize internal primer data structures.
Description: Initialize internal primer data structures and allocate
  all needed memory
Input: None
Output: None
Returns: BERR_SUCCESS if successful, error code otherwise
SeeAlso:
None
***************************************************************************/
BERR_Code vprimer_init(void);

/***************************************************************************
Summary: Open primer
Description: Open primer and prepare to spool video from rave context.
Input: None
Output: 
  primer - Primer handle to use in future operations
Returns: BERR_SUCCESS if successful, error code otherwise
SeeAlso:
None
***************************************************************************/
BERR_Code vprimer_open(VPrimer_Handle * primer);

/***************************************************************************
Summary: Close primer.
Description: Close primer, stop spooling and discard any video data.
Input: 
  primer - Primer handle
Output: 
  None
Returns: BERR_SUCCESS if successful, error code otherwise
SeeAlso:
None
***************************************************************************/
BERR_Code vprimer_close(VPrimer_Handle primer);

/***************************************************************************
Summary: Attach primer to rave context
Description: Attach primer to rave context and start spooling data from 
  this context. No explicit start is required to start spooling data.
Input:
  primer - primer handle to attach to rave context.
  cx - rave context to attach to primer.
Output:
  None
Returns: BERR_SUCCESS if successful, error code otherwise
SeeAlso:
None
***************************************************************************/
BERR_Code vprimer_attach(VPrimer_Handle primer, BXPT_RaveCx_Handle cx, uint8_t format);

/***************************************************************************
Summary: Detach primer from rave context
Description: Detach primer from rave context and stop spooling data. When 
  primer is detached context pointers left in consistent state. Rave 
  context can be given to the decoder which should be able to start decoding
  using rave context pointers.
Input:
  primer - primer to detach from.
  cx - rave context to detach from primer.
Output:
  None
Returns: BERR_SUCCESS if successful, error code otherwise.
SeeAlso:
None
***************************************************************************/
BERR_Code vprimer_detach(VPrimer_Handle primer, BXPT_RaveCx_Handle cx);

/***************************************************************************
Summary: Flush primer
Description: Flush primer and discard all data from rave context
Input:
  primer - primer to flush.
  cx - rave context to flush.
Output:
  None
Returns: BERR_SUCCESS if successful, error code otherwise.
SeeAlso:
None
***************************************************************************/
BERR_Code vprimer_flush(VPrimer_Handle primer, BXPT_RaveCx_Handle cx);

#endif /*__VPRIMER_H__*/