encvisualobjectsequence.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 EncVisualObjectSequence
        5.2 EncVisualObjectSequenceEnd

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

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

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

--------------------------------------------------------------------------------
    3. Module defines
------------------------------------------------------------------------------*/
/* Table G-1
0,  8 Reserved
1,  8 Simple Profile/Level 1
2,  8 Simple Profile/Level 2
3,  8 Simple Profile/Level 3
4,  8 Reserved
8,  8 Simple Profile/Level 0
17, 8 Simple Scalable Profile/Level 1
18, 8 Simple Scalable Profile/Level 2
19, 8 Reserved
33, 8 Core Profile/Level 1
34, 8 Core Profile/Level 2
35, 8 Reserved
50, 8 Main Profile/Level 2
51, 8 Main Profile/Level 3
52, 8 Main Profile/Level 3
53, 8 Reserved
66, 8 N-bit Profile/Level 2
67, 8 Reserved
81, 8 Scalable Texture Profile/Level 1
82, 8 Reserved
97, 8 Simple Face Animation Profile/Level 1
98, 8 Simple Face Animation Profile/Level 2
99, 8 Reserved
113,8 Basic Animated Texture Profile/Level 1
114,8 Basic Animated Texture Profile/Level 2
115,8 Reserved
129,8 Hybrid Profile/Level 1
130,8 Hybrid Profile/Level 2
131,8 Reserved */

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

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

	EncVosInit

------------------------------------------------------------------------------*/
void EncVosInit(vos_s *vos)
{
	vos->header = YES;
	vos->profile = 1;
	vos->userData.header = NO;

	return;
}

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

	EncVosHrd

------------------------------------------------------------------------------*/
void EncVosHrd(stream_s *stream, vos_s *vos)
{
	if (vos->header == NO) {
		return;
	}

	/* Byte buffer must be clean */
	ASSERT((stream->stream[0] == 0) && (stream->stream[1] == 0));

	/* Start Code Prefix And Start Code */
	EncPutBits(stream, START_CODE_PREFIX_VAL, START_CODE_PREFIX_NUM);
	EncPutBits(stream, START_CODE_VOS_VAL, START_CODE_VOS_NUM);
	COMMENT("Visual Object Sequence start code");

	/* profile and level indication */
	EncPutBits(stream, vos->profile, 8);
	COMMENT("Profile and Level");

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

	return;
}

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

	EncVosEndHrd

------------------------------------------------------------------------------*/
void EncVosEndHrd(stream_s *stream, vos_s *vos)
{
	if (vos->header == NO) {
		return;
	}

	/* Byte buffer must be clean */
	ASSERT((stream->stream[0] == 0) && (stream->stream[1] == 0));

	/* start code prefix */
	EncPutBits(stream, START_CODE_PREFIX_VAL, START_CODE_PREFIX_NUM);

	/* Start code */
	EncPutBits(stream, START_CODE_VOS_END_VAL, START_CODE_VOS_END_NUM);
	COMMENT("Visual Object Sequence end code");

	return;
}