diff options
Diffstat (limited to 'media/libstagefright/codecs/aacdec/get_sbr_stopfreq.cpp')
| -rw-r--r-- | media/libstagefright/codecs/aacdec/get_sbr_stopfreq.cpp | 190 |
1 files changed, 0 insertions, 190 deletions
diff --git a/media/libstagefright/codecs/aacdec/get_sbr_stopfreq.cpp b/media/libstagefright/codecs/aacdec/get_sbr_stopfreq.cpp deleted file mode 100644 index e32c61d..0000000 --- a/media/libstagefright/codecs/aacdec/get_sbr_stopfreq.cpp +++ /dev/null @@ -1,190 +0,0 @@ -/* ------------------------------------------------------------------ - * 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: get_sbr_stopfreq.c - ------------------------------------------------------------------------------- - REVISION HISTORY - - - Who: Date: MM/DD/YYYY - Description: - ------------------------------------------------------------------------------- - INPUT AND OUTPUT DEFINITIONS - - - ------------------------------------------------------------------------------- - FUNCTION DESCRIPTION - - ------------------------------------------------------------------------------- - REQUIREMENTS - - ------------------------------------------------------------------------------- - REFERENCES - -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. - ------------------------------------------------------------------------------- - PSEUDO-CODE - - if(fs < 32000) - { - k1_min = (Int) ( ( (float) (6000 * 2 * 64) / fs ) + 0.5 ); - } - else - { - if (fs < 64000) - { - k1_min = (Int) ( ( (float) (8000 * 2 * 64) / fs ) + 0.5 ); - } - else - { - k1_min = (Int) ( ((float) (10000 * 2 * 64) / fs ) + 0.5); - } - } - - return((Int)( k1_min * pow( 64.0 / k1_min,(stop_freq)/13.0) + 0.5)); - ------------------------------------------------------------------------------- -*/ - - -/*---------------------------------------------------------------------------- -; INCLUDES -----------------------------------------------------------------------------*/ - -#ifdef AAC_PLUS - -#include "get_sbr_stopfreq.h" -/*---------------------------------------------------------------------------- -; MACROS -; Define module specific macros here -----------------------------------------------------------------------------*/ - - -/*---------------------------------------------------------------------------- -; DEFINES -; Include all pre-processor statements here. Include conditional -; compile variables also. -----------------------------------------------------------------------------*/ - -/*---------------------------------------------------------------------------- -; LOCAL FUNCTION DEFINITIONS -; Function Prototype declaration -----------------------------------------------------------------------------*/ - -/*---------------------------------------------------------------------------- -; LOCAL STORE/BUFFER/POINTER DEFINITIONS -; Variable declaration - defined here and used outside this module -----------------------------------------------------------------------------*/ - -/*---------------------------------------------------------------------------- -; EXTERNAL FUNCTION REFERENCES -; Declare functions defined elsewhere and referenced in this module -----------------------------------------------------------------------------*/ - -/*---------------------------------------------------------------------------- -; EXTERNAL GLOBAL STORE/BUFFER/POINTER REFERENCES -; Declare variables used in this module but defined elsewhere -----------------------------------------------------------------------------*/ - -/*---------------------------------------------------------------------------- -; FUNCTION CODE -----------------------------------------------------------------------------*/ - -const UChar sbr_stopfreq_tbl[6][13] = -{ - - { 21, 23, 25, 27, 29, 32, 35, 38, 41, 45, 49, 54, 59}, /* 48000 */ - { 23, 25, 27, 29, 31, 34, 37, 40, 43, 47, 51, 55, 59}, /* 44100 */ - { 32, 34, 36, 38, 40, 42, 44, 46, 49, 52, 55, 58, 61}, /* 32000 and 24000 */ - { 35, 36, 38, 40, 42, 44, 46, 48, 50, 52, 55, 58, 61}, /* 22050 */ - { 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 60, 62} /* 16000 */ - -}; - -Int get_sbr_stopfreq(const Int32 fs, - const Int32 stop_freq) -{ - - Int i; - - switch (fs) - { - case 48000: - i = 0; - break; - - case 32000: - case 24000: - i = 2; - break; - - case 22050: - i = 3; - break; - - case 16000: - i = 4; - break; - - case 44100: - default: - i = 1; - break; - } - - return((Int)sbr_stopfreq_tbl[i][stop_freq]); - -} - - - -#endif |