encgroupofvideoobjectplane.c

freescale i.mx31 BSP CE5.0全部源码

/*------------------------------------------------------------------------------
--                                                                            --
--       This software is confidential and proprietary and may be used        --
--        only as expressly authorized by a licensing agreement from          --
--                                                                            --
--                            Hantro Products Oy.                             --
--                                                                            --
--      In the event of publication, the following notice is applicable:      --
--                                                                            --
--                   (C) COPYRIGHT 2004 HANTRO PRODUCTS OY                    --
--                            ALL RIGHTS RESERVED                             --
--                                                                            --
--          The entire notice above must be reproduced on all copies.         --
--                                                                            --
--------------------------------------------------------------------------------
--
--  Description : Encoder internal
--
-------------------------------------------------------------------------------*/


/*------------------------------------------------------------------------------

    Table of context

    1. Include headers
    2. External compiler flags
    3. Module defines
    4. Local function prototypes
    5. Functions
        5.1  GroupOfVideoObjectPlane

------------------------------------------------------------------------------*/

/*------------------------------------------------------------------------------
    1. Include headers
------------------------------------------------------------------------------*/
#include "EncSim.h"
#include "EncStartCode.h"
#include "EncGroupOfVideoObjectPlane.h"
#include "EncTrace.h"

/*------------------------------------------------------------------------------
    2. External compiler flags
--------------------------------------------------------------------------------

--------------------------------------------------------------------------------
    3. Module defines
------------------------------------------------------------------------------*/

/*------------------------------------------------------------------------------
    4. Local function prototypes
------------------------------------------------------------------------------*/

/*------------------------------------------------------------------------------

	EncGoVopHdr

------------------------------------------------------------------------------*/
void EncGoVopInit(govop_s *govop)
{
	govop->header = NO;
	govop->timeCodeHours = 0;
	govop->timeCodeMinutes = 0;
	govop->timeCodeSecond = 0;
	govop->closedGov = 0;
	govop->brokenLink = 0;
	govop->userData.header = NO;

	return;
}

/*------------------------------------------------------------------------------

	EncGoVopHdr

	After GoVopHdr header next vop must be IVOP. Rate control must
	reset this. See EncBeforeVopRc().

------------------------------------------------------------------------------*/
void EncGoVopHdr(stream_s *stream, govop_s *govop)
{
	if (govop->header == NO) {
		return;
	}

	/* Start Code Prefix And Start Code */
	EncPutBits(stream, START_CODE_PREFIX_VAL, START_CODE_PREFIX_NUM);
	EncPutBits(stream, START_CODE_GOB_VAL, START_CODE_GOB_NUM);
	COMMENT("Group Of Vop Start Code");

	/* Time Code Hours */
	ASSERT(govop->timeCodeHours < 24);
	EncPutBits(stream, govop->timeCodeHours, 5);
	COMMENT("Time Code Hours");

	/* Time Code Minutes */
	ASSERT(govop->timeCodeMinutes < 60);
	EncPutBits(stream, govop->timeCodeMinutes, 6);
	COMMENT("Time Code Minutes");

	/* Marker Bit */
	EncPutBits(stream, 1, 1);
	COMMENT("Marker Bit");

	/* Time Code Seconds */
	ASSERT(govop->timeCodeSecond < 60);
	EncPutBits(stream, govop->timeCodeSecond, 6);
	COMMENT("Time Code Seconds");

	/* Closed Gov */
	EncPutBits(stream, govop->closedGov, 1);
	COMMENT("Closed Gov");

	/* Broken Link */
	EncPutBits(stream, govop->brokenLink, 1);
	COMMENT("Broken Link ");

	/* Next Start Code */
	EncNextStartCode(stream);
	COMMENT("Next start Code");

	/* User data */
	EncUserData(stream, &govop->userData);

	return;
}