media/libstagefright/codecs/aacdec/sbr_constants.h - platform/frameworks/base - Git at Google

 /* ------------------------------------------------------------------
  * Copyright (C) 1998-2009 PacketVideo
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
  *
  *      http://www.apache.org/licenses/LICENSE-2.0
  *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
  * express or implied.
  * See the License for the specific language governing permissions
  * and limitations under the License.
  * -------------------------------------------------------------------
  */
 /*

  Filename: sbr_constants.h
  Funtions:


 ------------------------------------------------------------------------------
  REVISION HISTORY


  Who:                                   Date: MM/DD/YYYY
  Description:
 ------------------------------------------------------------------------------
 SC 29 Software Copyright Licencing Disclaimer:

 This software module was originally developed by
   Coding Technologies

 and edited by
   -

 in the course of development of the ISO/IEC 13818-7 and ISO/IEC 14496-3
 standards for reference purposes and its performance may not have been
 optimized. This software module is an implementation of one or more tools as
 specified by the ISO/IEC 13818-7 and ISO/IEC 14496-3 standards.
 ISO/IEC gives users free license to this software module or modifications
 thereof for use in products claiming conformance to audiovisual and
 image-coding related ITU Recommendations and/or ISO/IEC International
 Standards. ISO/IEC gives users the same free license to this software module or
 modifications thereof for research purposes and further ISO/IEC standardisation.
 Those intending to use this software module in products are advised that its
 use may infringe existing patents. ISO/IEC have no liability for use of this
 software module or modifications thereof. Copyright is not released for
 products that do not conform to audiovisual and image-coding related ITU
 Recommendations and/or ISO/IEC International Standards.
 The original developer retains full right to modify and use the code for its
 own purpose, assign or donate the code to a third party and to inhibit third
 parties from using the code for products that do not conform to audiovisual and
 image-coding related ITU Recommendations and/or ISO/IEC International Standards.
 This copyright notice must be included in all copies or derivative works.
 Copyright (c) ISO/IEC 2002.

 */

 /*----------------------------------------------------------------------------
 ; CONTINUE ONLY IF NOT ALREADY DEFINED
 ----------------------------------------------------------------------------*/
 #ifndef SBR_CONSTANTS_H
 #define SBR_CONSTANTS_H

 /*----------------------------------------------------------------------------
 ; INCLUDES
 ----------------------------------------------------------------------------*/

 /*----------------------------------------------------------------------------
 ; MACROS
 ; Define module specific macros here
 ----------------------------------------------------------------------------*/

 /*----------------------------------------------------------------------------
 ; DEFINES
 ; Include all pre-processor statements here.
 ----------------------------------------------------------------------------*/


 #define SBR_AMP_RES_1_5         0
 #define SBR_AMP_RES_3_0         1

 #define MAX_NOISE_ENVELOPES     2
 #define MAX_NOISE_COEFFS        5
 #define MAX_NUM_NOISE_VALUES     (MAX_NOISE_ENVELOPES * MAX_NOISE_COEFFS)

 #define MAX_ENVELOPES           5
 #define MAX_FREQ_COEFFS         58
 #define MAX_NUM_ENVELOPE_VALUES (MAX_ENVELOPES * MAX_FREQ_COEFFS)

 #define MAX_NUM_CHANNELS            2
 #define NOISE_FLOOR_OFFSET          6
 #define NOISE_FLOOR_OFFSET_PLUS_1   7

 #define LOW_RES                     0
 #define HIGH_RES                    1

 #define LO                          0
 #define HI                          1

 #define TIME                        1
 #define FREQ                        0

 #define LENGTH_FRAME_INFO           35

 #define SI_SBR_CRC_BITS             10

 #define SBR_FREQ_SCALE_DEFAULT      2
 #define SBR_ALTER_SCALE_DEFAULT     1
 #define SBR_NOISE_BANDS_DEFAULT     2

 #define SBR_LIMITER_BANDS_DEFAULT      2
 #define SBR_LIMITER_GAINS_DEFAULT      2
 #define SBR_INTERPOL_FREQ_DEFAULT      1
 #define SBR_SMOOTHING_LENGTH_DEFAULT   1

 /* header */
 #define SI_SBR_AMP_RES_BITS            1
 #define SI_SBR_START_FREQ_BITS         4
 #define SI_SBR_STOP_FREQ_BITS          4
 #define SI_SBR_XOVER_BAND_BITS         3
 #define SI_SBR_RESERVED_BITS_HDR       2
 #define SI_SBR_DATA_EXTRA_BITS         1
 #define SI_SBR_HEADER_EXTRA_1_BITS     1
 #define SI_SBR_HEADER_EXTRA_2_BITS     1

 #define SI_SBR_FREQ_SCALE_BITS         2
 #define SI_SBR_ALTER_SCALE_BITS        1
 #define SI_SBR_NOISE_BANDS_BITS        2

 #define SI_SBR_LIMITER_BANDS_BITS      2
 #define SI_SBR_LIMITER_GAINS_BITS      2
 #define SI_SBR_INTERPOL_FREQ_BITS      1
 #define SI_SBR_SMOOTHING_LENGTH_BITS   1


 /* data */
 #define SI_SBR_RESERVED_PRESENT        1
 #define SI_SBR_RESERVED_BITS_DATA      4

 #define SI_SBR_COUPLING_BITS           1

 #define SI_SBR_INVF_MODE_BITS          2

 #define SI_SBR_EXTENDED_DATA_BITS      1
 #define SI_SBR_EXTENSION_SIZE_BITS     4
 #define SI_SBR_EXTENSION_ESC_COUNT_BITS   8
 #define SI_SBR_EXTENSION_ID_BITS          2

 #define SI_SBR_NOISE_MODE_BITS         1
 #define SI_SBR_DOMAIN_BITS             1

 #define SI_SBR_START_ENV_BITS_AMP_RES_3_0           6
 #define SI_SBR_START_ENV_BITS_BALANCE_AMP_RES_3_0   5
 #define SI_SBR_START_NOISE_BITS_AMP_RES_3_0         5
 #define SI_SBR_START_NOISE_BITS_BALANCE_AMP_RES_3_0 5

 #define SI_SBR_START_ENV_BITS_AMP_RES_1_5           7
 #define SI_SBR_START_ENV_BITS_BALANCE_AMP_RES_1_5   6


 #define SBR_CLA_BITS  2
 #define SBR_ABS_BITS  2
 #define SBR_RES_BITS  1
 #define SBR_REL_BITS  2
 #define SBR_ENV_BITS  2
 #define SBR_NUM_BITS  2


 #define FIXFIX  0
 #define FIXVAR  1
 #define VARFIX  2
 #define VARVAR  3


 #define    LEN_EX_TYPE  (4)
 #define    LEN_NIBBLE   (4)


 /*----------------------------------------------------------------------------
 ; EXTERNAL VARIABLES REFERENCES
 ; Declare variables used in this module but defined elsewhere
 ----------------------------------------------------------------------------*/

 /*----------------------------------------------------------------------------
 ; SIMPLE TYPEDEF'S
 ----------------------------------------------------------------------------*/

 /*----------------------------------------------------------------------------
 ; ENUMERATED TYPEDEF'S
 ----------------------------------------------------------------------------*/

 /*----------------------------------------------------------------------------
 ; STRUCTURES TYPEDEF'S
 ----------------------------------------------------------------------------*/

 /*----------------------------------------------------------------------------
 ; GLOBAL FUNCTION DEFINITIONS
 ; Function Prototype declaration
 ----------------------------------------------------------------------------*/

 /*----------------------------------------------------------------------------
 ; END
 ----------------------------------------------------------------------------*/
 #endif
	/* ------------------------------------------------------------------
	* Copyright (C) 1998-2009 PacketVideo
	*
	* Licensed under the Apache License, Version 2.0 (the "License");
	* you may not use this file except in compliance with the License.
	* You may obtain a copy of the License at
	*
	* http://www.apache.org/licenses/LICENSE-2.0
	*
	* Unless required by applicable law or agreed to in writing, software
	* distributed under the License is distributed on an "AS IS" BASIS,
	* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
	* express or implied.
	* See the License for the specific language governing permissions
	* and limitations under the License.
	* -------------------------------------------------------------------
	*/
	/*

	Filename: sbr_constants.h
	Funtions:


	------------------------------------------------------------------------------
	REVISION HISTORY


	Who: Date: MM/DD/YYYY
	Description:
	------------------------------------------------------------------------------
	SC 29 Software Copyright Licencing Disclaimer:

	This software module was originally developed by
	Coding Technologies

	and edited by
	-

	in the course of development of the ISO/IEC 13818-7 and ISO/IEC 14496-3
	standards for reference purposes and its performance may not have been
	optimized. This software module is an implementation of one or more tools as
	specified by the ISO/IEC 13818-7 and ISO/IEC 14496-3 standards.
	ISO/IEC gives users free license to this software module or modifications
	thereof for use in products claiming conformance to audiovisual and
	image-coding related ITU Recommendations and/or ISO/IEC International
	Standards. ISO/IEC gives users the same free license to this software module or
	modifications thereof for research purposes and further ISO/IEC standardisation.
	Those intending to use this software module in products are advised that its
	use may infringe existing patents. ISO/IEC have no liability for use of this
	software module or modifications thereof. Copyright is not released for
	products that do not conform to audiovisual and image-coding related ITU
	Recommendations and/or ISO/IEC International Standards.
	The original developer retains full right to modify and use the code for its
	own purpose, assign or donate the code to a third party and to inhibit third
	parties from using the code for products that do not conform to audiovisual and
	image-coding related ITU Recommendations and/or ISO/IEC International Standards.
	This copyright notice must be included in all copies or derivative works.
	Copyright (c) ISO/IEC 2002.

	*/

	/*----------------------------------------------------------------------------
	; CONTINUE ONLY IF NOT ALREADY DEFINED
	----------------------------------------------------------------------------*/
	#ifndef SBR_CONSTANTS_H
	#define SBR_CONSTANTS_H

	/*----------------------------------------------------------------------------
	; INCLUDES
	----------------------------------------------------------------------------*/

	/*----------------------------------------------------------------------------
	; MACROS
	; Define module specific macros here
	----------------------------------------------------------------------------*/

	/*----------------------------------------------------------------------------
	; DEFINES
	; Include all pre-processor statements here.
	----------------------------------------------------------------------------*/


	#define SBR_AMP_RES_1_5 0
	#define SBR_AMP_RES_3_0 1

	#define MAX_NOISE_ENVELOPES 2
	#define MAX_NOISE_COEFFS 5
	#define MAX_NUM_NOISE_VALUES (MAX_NOISE_ENVELOPES * MAX_NOISE_COEFFS)

	#define MAX_ENVELOPES 5
	#define MAX_FREQ_COEFFS 58
	#define MAX_NUM_ENVELOPE_VALUES (MAX_ENVELOPES * MAX_FREQ_COEFFS)

	#define MAX_NUM_CHANNELS 2
	#define NOISE_FLOOR_OFFSET 6
	#define NOISE_FLOOR_OFFSET_PLUS_1 7

	#define LOW_RES 0
	#define HIGH_RES 1

	#define LO 0
	#define HI 1

	#define TIME 1
	#define FREQ 0

	#define LENGTH_FRAME_INFO 35

	#define SI_SBR_CRC_BITS 10

	#define SBR_FREQ_SCALE_DEFAULT 2
	#define SBR_ALTER_SCALE_DEFAULT 1
	#define SBR_NOISE_BANDS_DEFAULT 2

	#define SBR_LIMITER_BANDS_DEFAULT 2
	#define SBR_LIMITER_GAINS_DEFAULT 2
	#define SBR_INTERPOL_FREQ_DEFAULT 1
	#define SBR_SMOOTHING_LENGTH_DEFAULT 1

	/* header */
	#define SI_SBR_AMP_RES_BITS 1
	#define SI_SBR_START_FREQ_BITS 4
	#define SI_SBR_STOP_FREQ_BITS 4
	#define SI_SBR_XOVER_BAND_BITS 3
	#define SI_SBR_RESERVED_BITS_HDR 2
	#define SI_SBR_DATA_EXTRA_BITS 1
	#define SI_SBR_HEADER_EXTRA_1_BITS 1
	#define SI_SBR_HEADER_EXTRA_2_BITS 1

	#define SI_SBR_FREQ_SCALE_BITS 2
	#define SI_SBR_ALTER_SCALE_BITS 1
	#define SI_SBR_NOISE_BANDS_BITS 2

	#define SI_SBR_LIMITER_BANDS_BITS 2
	#define SI_SBR_LIMITER_GAINS_BITS 2
	#define SI_SBR_INTERPOL_FREQ_BITS 1
	#define SI_SBR_SMOOTHING_LENGTH_BITS 1


	/* data */
	#define SI_SBR_RESERVED_PRESENT 1
	#define SI_SBR_RESERVED_BITS_DATA 4

	#define SI_SBR_COUPLING_BITS 1

	#define SI_SBR_INVF_MODE_BITS 2

	#define SI_SBR_EXTENDED_DATA_BITS 1
	#define SI_SBR_EXTENSION_SIZE_BITS 4
	#define SI_SBR_EXTENSION_ESC_COUNT_BITS 8
	#define SI_SBR_EXTENSION_ID_BITS 2

	#define SI_SBR_NOISE_MODE_BITS 1
	#define SI_SBR_DOMAIN_BITS 1

	#define SI_SBR_START_ENV_BITS_AMP_RES_3_0 6
	#define SI_SBR_START_ENV_BITS_BALANCE_AMP_RES_3_0 5
	#define SI_SBR_START_NOISE_BITS_AMP_RES_3_0 5
	#define SI_SBR_START_NOISE_BITS_BALANCE_AMP_RES_3_0 5

	#define SI_SBR_START_ENV_BITS_AMP_RES_1_5 7
	#define SI_SBR_START_ENV_BITS_BALANCE_AMP_RES_1_5 6


	#define SBR_CLA_BITS 2
	#define SBR_ABS_BITS 2
	#define SBR_RES_BITS 1
	#define SBR_REL_BITS 2
	#define SBR_ENV_BITS 2
	#define SBR_NUM_BITS 2


	#define FIXFIX 0
	#define FIXVAR 1
	#define VARFIX 2
	#define VARVAR 3


	#define LEN_EX_TYPE (4)
	#define LEN_NIBBLE (4)


	/*----------------------------------------------------------------------------
	; EXTERNAL VARIABLES REFERENCES
	; Declare variables used in this module but defined elsewhere
	----------------------------------------------------------------------------*/

	/*----------------------------------------------------------------------------
	; SIMPLE TYPEDEF'S
	----------------------------------------------------------------------------*/

	/*----------------------------------------------------------------------------
	; ENUMERATED TYPEDEF'S
	----------------------------------------------------------------------------*/

	/*----------------------------------------------------------------------------
	; STRUCTURES TYPEDEF'S
	----------------------------------------------------------------------------*/

	/*----------------------------------------------------------------------------
	; GLOBAL FUNCTION DEFINITIONS
	; Function Prototype declaration
	----------------------------------------------------------------------------*/

	/*----------------------------------------------------------------------------
	; END
	----------------------------------------------------------------------------*/
	#endif