encprofile.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 : Profile&Level handling
--
-------------------------------------------------------------------------------*/


/*------------------------------------------------------------------------------
    1. Include headers
------------------------------------------------------------------------------*/
#include "EncProfile.h"

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

--------------------------------------------------------------------------------
    3. Module defines
------------------------------------------------------------------------------*/
typedef enum {
	SIMPLE_L0  = 8,
	SIMPLE_L0B = 9,
	SIMPLE_L1 = 1,
	SIMPLE_L2 = 2,
	SIMPLE_L3 = 3,
	MAIN_L2 = 50,
	MAIN_L3 = 51,
	MAIN_L4 = 52,
	ADVANCED_SIMPLE_L0 = 240,
	ADVANCED_SIMPLE_L1 = 241,
	ADVANCED_SIMPLE_L2 = 242,
	ADVANCED_SIMPLE_L3 = 243,
	ADVANCED_SIMPLE_L4 = 244,
	ADVANCED_SIMPLE_L5 = 245,
	H263_P0_L10 = 1001,
	H263_P0_L20 = 1002,
	H263_P0_L30 = 1003,
	H263_P0_L40 = 1004,
	H263_P0_L50 = 1005,
	H263_P0_L60 = 1006,
	H263_P0_L70 = 1007
} profile_e;

typedef struct {
	i32	mbPerVopMax;
	i32	videoBufferSize;/* units of 16384 bits */
	i32	vpSizeMax;	/* Max video packet length (bits) */
	i32	bitPerSecondMax;/* Max bitrate (kbit/s) 1kbit = 1000bit */
} parameter_s;

static const parameter_s parameter[] = {
	{99,   10,  2048,  64},		/* Simple L0  */
	{99,   20,  2048,  128},	/* Simple L0B */
	{99,   10,  2048,  64},		/* Simple L1 */
	{396,  40,  4096,  128},	/* Simple L2 */
	{396,  40,  8192,  384},	/* Simple L3 */
	{594,  80,  8192,  2000},	/* Main L2 */
	{1620, 320, 16384, 15000},	/* Main L3 */
	{8160, 760, 16384, 38400},	/* Main L4 */
	{99,   10,  2048,  128},	/* Advanced Simple L0 */
	{99,   10,  2048,  128},	/* Advanced Simple L1 */
	{396,  40,  4096,  384},	/* Advanced Simple L2 */
	{396,  40,  4096,  768},	/* Advanced Simple L3 */
	{792,  80,  8192,  3000},	/* Advanced Simple L4 */
	{1620, 112, 16384, 8000},	/* Advanced Simple L5 */
	{99,   5,   0,     64},		/* H.263 Profile 0 Level 10  */
	{396,  18,  0,     128},	/* H.263 Profile 0 Level 20  */
	{396,  20,  0,     384},	/* H.263 Profile 0 Level 30  */
	{396,  33,  0,     2048},	/* H.263 Profile 0 Level 40  */
	{396,  50,  0,     4096},	/* H.263 Profile 0 Level 50  */
	{810,  99,  0,     8192},	/* H.263 Profile 0 Level 60  */
	{1620, 198, 0,     16384}	/* H.263 Profile 0 Level 70  */
        /* videoBufferSize for H.263 is
         * (BppMax + 4*bitPerSecondMax/(30000/1001)) / 16384
         * where BppMax is 64*1024 bits for picture sizes upto QCIF
         *                256*1024 bits for picture sizes upto CIF and
         *                512*1024 bits for picture sizes upto 4CIF
         * vpSize for H.263 is not applicable */
};

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

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

	EncProfile

------------------------------------------------------------------------------*/
bool_e EncInitProfile(profile_s *profile)
{
	i32 index = 6;
	i32 tmp;

	switch ((profile_e)profile->profile) {
		case SIMPLE_L0:
			index = 0;
			break;
		case SIMPLE_L0B:
			index = 1;
			break;
		case SIMPLE_L1:
			index = 2;
			break;
		case SIMPLE_L2:
			index = 3;
			break;
		case SIMPLE_L3:
			index = 4;
			break;
		case MAIN_L2:
			index = 5;
			break;
		case MAIN_L3:
			index = 6;
			break;
		case MAIN_L4:
			index = 7;
			break;
		case ADVANCED_SIMPLE_L0:
			index = 8;
			break;
		case ADVANCED_SIMPLE_L1:
			index = 9;
			break;
		case ADVANCED_SIMPLE_L2:
			index = 10;
			break;
		case ADVANCED_SIMPLE_L3:
			index = 11;
			break;
		case ADVANCED_SIMPLE_L4:
			index = 12;
			break;
		case ADVANCED_SIMPLE_L5:
			index = 13;
			break;
		case H263_P0_L10:
			index = 14;
			break;
		case H263_P0_L20:
			index = 15;
			break;
		case H263_P0_L30:
			index = 16;
			break;
		case H263_P0_L40:
			index = 17;
			break;
		case H263_P0_L50:
			index = 18;
			break;
		case H263_P0_L60:
			index = 19;
			break;
		case H263_P0_L70:
			index = 20;
			break;
		default:
			return NOK;
	}


	/* Profile depend parameters. The default value of vbv_occupancy is 170
	 *